An engineer is using computer-aided design (CAD) software to design a component for a space shuttle. The scale of the drawing is 1 cm: 60 in. The actual length of the component is 12. 75 feet. What is the length of the component in the drawing?

Answers

Answer 1

The length of the component in the drawing is 2.125 centimeters.

How to find the length of the component represented in a CAD?

To find the length of the component in the drawing, we convert the given length from feet to inches. Since 1 foot is equal to 12 inches, the actual length of 12.75 feet is equivalent to 12.75 x 12 = 153 inches.

Next, we apply the scale of the drawing, which is 1 cm: 60 in. This means that for every 60 inches in reality, the drawing represents it as 1 centimeter. To find the length in centimeters, we set up a proportion:

1 cm / 60 in = x cm / 153 in

Cross-multiplying and solving for x, we get:

x = (1 cm * 153 in) / 60 in = 2.55 cm

Rounding to three decimal places, the length of the component in the drawing is approximately 2.125 centimeters.

Learn more about length

brainly.com/question/9842733

#SPJ11


Related Questions

A solid is made up of two identical cones, each with base diameter of 14cm and a slant height of 15cm. Find its Volume.

Answers

The volume of the solid made up of two identical cones is 1361.48 cm³.

To find the volume of a solid made up of two identical cones, we first need to calculate the volume of one cone and then multiply it by 2. The formula for the volume of a cone is V = (1/3)πr²h, where r is the radius and h is the height.

Given the base diameter of the cone is 14 cm, the radius (r) is half of the diameter, which is 7 cm. To find the height (h) of the cone, we can use the Pythagorean theorem since we have the slant height (15 cm) and radius.

Let h be the height, then:
h² + r² = (slant height)²
h² + 7² = 15²
h² + 49 = 225
h² = 176
h = √176 ≈ 13.27 cm

Now we can calculate the volume of one cone:
V = (1/3)π(7²)(13.27) ≈ 680.74 cm³

Since the solid is made up of two identical cones, we multiply the volume by 2:
Total volume = 2 × 680.74 cm³ ≈ 1361.48 cm³

Learn more about volume here: https://brainly.com/question/27710307

#SPJ11

Mean Mode 42 X X X X 43 X X X - 44 Median Range X X 45 X X 46 47 48​

Answers

The mean, median, mode and the range of the data given is 44.21, 44, 44 and 3 respectively.

Given is a dot plot, we need to find the mean, median, mode and the range of the data shared.

So, the data is = 43, 43, 43, 43, 44, 44, 44, 44, 44, 45, 45, 45, 46, 46

So, mean = 43×4+44×5+45×3+46×2 / 14

= 619/14 = 44.21

Median = 44+44/2 = 44

Mode = 44

Range = 46-43 = 3

Hence, the mean, median, mode and the range of the data given is 44.21, 44, 44 and 3 respectively.

Learn more about dot plot click;

https://brainly.com/question/22746300

#SPJ1

The cost to produce x kilograms of whatchamacallits is given by the function C(x) = 50x + 1000 where Cix) is in hundreds of dollars. The revenue for the sale of x whatchamacallits is given by R(x) = 450x where R(x) is in hundreds of dollars. How many kilograms should be produced and sold to realize a maximum profit? What is that maximum profit?

Answers

The maximum profit will be realized by producing and selling 2.5 kilograms of whatchamacallits.

The maximum profit, in hundreds of dollars, will be $500.

To find the maximum profit, we need to first calculate the profit function P(x), which is the difference between the revenue and the cost functions:

P(x) = R(x) - C(x)
P(x) = 450x - (50x + 1000)
P(x) = 400x - 1000

To find the amount of kilograms that should be produced and sold to realize a maximum profit, we need to find the value of x that maximizes the profit function.

We can do this by taking the derivative of the profit function and setting it equal to zero:

P'(x) = 400
400 = 0

Since the derivative is a constant value, there is no critical point or inflection point. Therefore, the profit function is increasing at a constant rate, and the maximum profit will be achieved at the highest possible value of x.

To find that value, we can set the profit function equal to zero and solve for x:

P(x) = 400x - 1000 = 0
400x = 1000
x = 2.5

Therefore, the maximum profit will be realized by producing and selling 2.5 kilograms of whatchamacallits.

To find the maximum profit itself, we can substitute this value of x into the profit function:

P(2.5) = 400(2.5) - 1000 = 500

So the maximum profit, in hundreds of dollars, will be $500.

To learn more about profit function, refer below:

https://brainly.com/question/16866047

#SPJ11

Which is the most precise measurement?
4 yd., 9 ft., 638
6
3
8
ft., or 1518
15
1
8
yd.

Answers

The most precise measurement is the one with the smallest value, which is 9 ft.

To determine which is the most precise measurement among 4 yd., 9 ft., 638638 ft., or 15181518 yd., we first need to convert all the measurements to a common unit. Let's convert everything to feet:

1 yard = 3 feet

- 4 yd. = 4 (3 ft). = 12 ft.
- 9 ft. = 9 ft. (no conversion needed)
- 638638 ft. = 638638 ft. (no conversion needed)
- 15181518 yd. = 15181518 (3 ft.) = 45544554 ft.

Now that we have all the measurements in feet, we can compare them:

- 12 ft.
- 9 ft.
- 638638 ft.
- 45544554 ft.

The most precise measurement is the one with the smallest value, which is 9 ft.

To know more about "Measurement" refer here:

https://brainly.com/question/12790963#

#SPJ11

; 3. Using the complex form, find the Fourier series of the function. (30%) 1, 2k – .25 < x < 2k +.25, k € Z. a. (15%), f (x) = 0, elsewhere S 1,0

Answers

The Fourier series Using the complex form of f(x) is

f(x) = 1/2 + ∑[n=1, ∞] [2*(-1)^(n+k)/(nπ)]*sin(nπx), 2k-0.25 < x < 2k+0.25

where k is an integer.

To find the Fourier series of the function f(x) over the interval [-1, 1], we first note that f(x) is periodic with period T = 0.5. We can then write f(x) as a Fourier series of the form

f(x) = a0/2 + ∑[n=1, ∞] (ancos(nπx) + bnsin(nπx))

where

a0 = (1/T) ∫[0,T] f(x) dx

an = (2/T) ∫[0,T] f(x)*cos(nπx) dx

bn = (2/T) ∫[0,T] f(x)*sin(nπx) dx

Since f(x) = 0 for x < -0.25 and x > 0.25, we only need to consider the interval [-0.25, 0.25]. We can break this interval into subintervals of length 0.5 centered at integer values k

[-0.25, 0.25] = [-0.25, 0.25] ∩ [1.5, 2.5] ∪ [-0.25, 0.25] ∩ [0.5, 1.5] ∪ ... ∪ [-0.25, 0.25] ∩ [-1.5, -0.5]

For each subinterval, the Fourier coefficients can be calculated as follows

a0 = (1/0.5) ∫[-0.25, 0.25] f(x) dx = 1/2

an = (2/0.5) ∫[-0.25, 0.25] f(x)*cos(nπx) dx = 0

bn = (2/0.5) ∫[-0.25, 0.25] f(x)sin(nπx) dx = 2(-1)^k/(nπ)

Therefore, the Fourier series of f(x) is

f(x) = 1/2 + ∑[n=1, ∞] [2*(-1)^(n+k)/(nπ)]*sin(nπx), 2k-0.25 < x < 2k+0.25

where k is an integer.

To know more about Fourier series of the function:

https://brainly.com/question/30621098

#SPJ4

If P (6, 1), find the image
of P under the following rotation.
180° counterclockwise about the
origin
([?],
Enter the number that belongs in
the green box,

Answers

The image of point P (6, 1) under a 180° counterclockwise rotation about the origin is (-6, -1).

To find the image of point P (6, 1) under a 180° counterclockwise rotation about the origin, we can use the rotation formula for 2D coordinates.

The formula for rotating a point (x, y) counterclockwise by θ degrees about the origin is:

x' = x [tex]\times[/tex] cos(θ) - y [tex]\times[/tex] sin(θ)

y' = x [tex]\times[/tex] sin(θ) + y [tex]\times[/tex] cos(θ)

In this case, θ is 180°.

So, let's substitute the values of x and y from point P into the rotation formula:

x' = 6 [tex]\times[/tex] cos(180°) - 1 [tex]\times[/tex] sin(180°)

y' = 6 [tex]\times[/tex] sin(180°) + 1 [tex]\times[/tex] cos(180°)

Now, let's simplify these equations using the trigonometric values for 180°:

[tex]x' = 6 \times (-1) - 1 \times 0[/tex]

[tex]y' = 6 \times 0 + 1 \times (-1)[/tex]

Simplifying further:

x' = -6

y' = -1

Therefore, the image of point P (6, 1) under a 180° counterclockwise rotation about the origin is (-6, -1).

Please note that the rotation formula assumes angles are measured in radians.

However, for simplicity, we used degrees in this explanation.

The trigonometric functions (cos and sin) can be evaluated in radians using their corresponding values for 180°.

For similar question on counterclockwise rotation.

https://brainly.com/question/29315058  

#SPJ8

The short leg of a triangle measures 17 and the long leg measures 32. What is the measure of the smaller acute angle of the triangle to the nearest tenth of a degree ? Draw a triangle to represent the problem. Be sure to show the trig equation you used when solving

Answers

The measure of the smaller acute angle of the triangle to the nearest tenth of a degree is 28.3 degrees.

Let's denote the smaller acute angle of the triangle as θ. We can use the tangent function to find the measure of this angle:

tan(θ) = opposite/adjacent

In this case, the opposite side is the length of the short leg (17) and the adjacent side is the length of the long leg (32). So we have:

tan(θ) = 17/32

Using a calculator, we can take the inverse tangent (tan^-1) of both sides to solve for θ:

θ = tan^-1(17/32) ≈ 28.3 degrees

So the measure of the smaller acute angle of the triangle is approximately 28.3 degrees.

Here's a diagram to illustrate the triangle:

            / l

         /    l

  17 /       l opposite

    /         l

  /  θ       l

/_______l

    adjacent

      32

Know more about triangle here:

https://brainly.com/question/17335144

#SPJ11

Hudson Marine provides boats sales, service, and maintenance. Boat trailers are one of its top sales items. Suppose the quarterly sales values for the seven years of historical data are as follows. Do not round intermediate calculations. Year Quarter 1 Quarter 2 Quarter 3 Quarter 4 Total Yearly Sales 1 7 17 9 2 35 2 9 19 17 8 53 3 13 28 23 12 76 4 18 27 23 17 85 5 23 32 30 20 105 6 23 38 31 19 111 7 26 41 33 28 128


a. Compute the centered moving average values (first find Four-Quarter Moving Average) for this time series (to 3 decimals). Centered Moving Sales Average 1 6 t N 16 3 11 4 3 5 10 6 6 16 7 17 8 6 9 12 10 28 11 21 12 12 13 20 14 28 15 23 16 16 17 20 18 35 19 30 20 19 21 25 22 37 23 30 24 20 25 30 26 41 27 34 28 27


b. Compute the seasonal indexes for the four quarters (to 3 decimals). Quarter Adjusted Seasonal Index 1 2 3 4


c. When does Hudson Marine experience the largest seasonal effect? Hudson Marine experiences the largest seasonal increase in quarter The largest seasonal effect is the seasonal decrease in quarter

Answers

Hudson Marine experiences the largest seasonal effect in quarter 4.

How to calculate the four-quarter moving average values, the seasonal indexes, and the largest seasonal effect of Hudson Marine?

a. The four-quarter moving average values can be calculated as follows:

Quarter 1: (7 + 9 + 13 + 18) / 4 = 11.75

Quarter 2: (17 + 19 + 28 + 27) / 4 = 22.75

Quarter 3: (9 + 17 + 23 + 23) / 4 = 18

Quarter 4: (2 + 8 + 12 + 17) / 4 = 9.75

Quarter 5: (17 + 8 + 12 + 20) / 4 = 14.25

Quarter 6: (53 + 23 + 17 + 19) / 4 = 28

Quarter 7: (76 + 85 + 105 + 111) / 4 = 94.25

The centered moving average values can be calculated by averaging the adjacent four-quarter moving averages:

Quarter 3: (11.75 + 22.75 + 18 + 9.75) / 4 = 15.06

Quarter 4: (22.75 + 18 + 9.75 + 14.25) / 4 = 16.19

Quarter 5: (18 + 9.75 + 14.25 + 28) / 4 = 17.75

Quarter 6: (9.75 + 14.25 + 28 + 94.25) / 4 = 36.31

Quarter 7: (14.25 + 28 + 94.25 + 28) / 4 = 41.38

Therefore, the centered moving average values are:

Quarter 3: 15.06

Quarter 4: 16.19

Quarter 5: 17.75

Quarter 6: 36.31

Quarter 7: 41.38

b. The seasonal indexes for the four quarters can be calculated by dividing the centered moving average values by the average of all the centered moving average values and then multiplying by 100:

Quarter 1: (15.06 / 20.31) x 100 = 74.18

Quarter 2: (16.19 / 20.31) x 100 = 79.79

Quarter 3: (17.75 / 20.31) x 100 = 87.40

Quarter 4: (36.31 / 20.31) x 100 = 178.63

Therefore, the seasonal indexes for the four quarters are:

Quarter 1: 74.18

Quarter 2: 79.79

Quarter 3: 87.40

Quarter 4: 178.63

c. Hudson Marine experiences the largest seasonal effect in quarter 4, with a seasonal index of 178.63. This means that the sales in quarter 4 are, on average, 178.63% higher than the average sales for all quarters.

Learn more about average

brainly.com/question/27646993

#SPJ11

A tired frog is jumping across a pond. Her first jump will be her longest. She travels 300 cm. Her second jump carries her another 270 cm. How far will the frog travel before she cannot jump anymore?



S= 1560cm


S= 570cm


S= 2700cm


S= 3000cm

Answers

The frog will travel a total distance of 1650 cm before she cannot jump anymore. None of the options given are correct.

To find the total distance the frog will travel, we need to add up the distances of all her jumps. Given that her first jump is her longest at 300 cm and her second jump is 270 cm, we can assume that each subsequent jump is shorter than the one before it.

The difference between the first jump and the second jump is 30 cm. So let's assume that the common difference between each jump is 30 cm. So the frog takes a total of 10 jumps before she cannot jump anymore.

The total distance the frog will travel is:

300 + 270 + (240 + 210 + 180 + 150 + 120 + 90 + 60 + 30) = 1650 cm

So here none of the options are correct.

To learn more about jump: https://brainly.com/question/31598277

#SPJ11

How much will 3. 75 kg of meat cost at ?190. 00 per kilogram?

a. ?71250 b. ?7. 125 0 c. ?712. 50 d. ?7125. 0

Answers

3.75 kg of meat will cost 712.50, The correct answer is option (c).To determine how much 3.75 kg of meat will cost at ?190.00 per kilogram, you'll need to perform a multiplication using the given weight and price per kilogram, we need to :


1. Identify the weight of the meat: 3.75 kg.
2. Identify the cost per kilogram: ?190.00.
3. Multiply the weight (3.75 kg) by the cost per kilogram (?190.00).


3.75 kg × ?190.00/kg = 712.50
So, 3.75 kg of meat will cost ?712.50, which corresponds to option (c) in your list of possible answers. Remember to always check your calculations and units when solving problems like this to ensure accuracy.

To know more about multiplication click here

brainly.com/question/6281194

#SPJ11

The value of the integral ∫ dx/√(1-2x^2) is

Answers

So the value of the integral ∫ dx/√(1-2x^2) over the interval [-1/√2, 1/√2] is (1/√2)π.
The value of the integral ∫ dx/√(1-2x^2) is given by:
∫ (1/√(1-2x^2)) dx = (1/2) * arcsin(√2 * x) + C
where C is the constant of integration.

The value of the integral ∫ dx/√(1-2x^2) is equal to the integral of the function 1/√(1-2x^2) with respect to x. This is an example of an integral that requires a trigonometric substitution to evaluate. Specifically, we can let x = sin(θ)/√2 and dx = cos(θ)/√2 dθ. Substituting these expressions into the integral yields:

∫ dx/√(1-2x^2) = ∫ (cos(θ)/√2) / √(1-2(sin(θ)/√2)^2) dθ

Simplifying the denominator gives:

√(1-2(sin(θ)/√2)^2) = √(1 - sin^2(θ)) = cos(θ)

Substituting this expression into the integral gives:

∫ dx/√(1-2x^2) = ∫ (cos(θ)/√2) / cos(θ) dθ = ∫ dθ/√2 = (1/√2)θ + C

To find the value of the integral, we need to substitute back in for x and evaluate at the limits of integration. If we are integrating over the interval [-1/√2, 1/√2], then:

(1/√2)θ evaluated from -π/4 to π/4 gives:

(1/√2)(π/4 + π/4) - (1/√2)(-π/4 - π/4) = (1/√2)π

learn more about trigonometric substitution here: brainly.com/question/17199316

#SPJ11

Solve for x, t, r and round to the nearest hundredth

Answers

Answer:

x = 14°

t = 12.367 ~ 12.4

r = 2.999 ~ 3

Step-by-step explanation:

1st we can find x by sum theory which is the sum of all side equal to 180° .

x + 90° + 76° = 180 °

x + 166° = 180°

x= 180° - 166°

x = 14° ... So the unknown angle is 14°

and we also can solve hypotenus t and adjecent r by using sin amd cos respectively by angle 76° .

sin(76) = 12/t

sin(76) t = 12 ....... criss cross it

t = 12 / sin(76) ....... divided both side by sin(76)

t = 12.367 ~ 12.4 ....... result

And

cos(76) = r / 12.4

r = cos(76) × 12.4 .......criss cross

r = 2.999 ~ 3 ....... amswer and i approximate it

a population of 100 individuals is undergoing exponential growth with a population doubling time of 1 year. what size will this population be in 2 years?

Answers

The size of the population of 100 individuals which are undergoing exponential growth is equal to 400.

Population is undergoing exponential growth,

Use the formula of exponential ,

Nt = N0 × e^(rt)

Where,

Nt is the population size at time t

N0 is the initial population size

e is the mathematical constant, approximately 2.71828

r is the growth rate

If the population doubling time is 1 year,

Use the following formula to calculate the growth rate,

r = log(2) / t

Where t is the doubling time,

log(2) is the natural logarithm of 2 = approximately 0.693.

⇒ r = log(2) / 1 year

     = 0.693 / year

Plug in the values,

Nt = N0 × e^(rt)

⇒Nt = 100 × e^(0.693 × 2)

Population size in 't' = 2 years.

Nt = 100 × e^1.386

⇒Nt = 100 × 3.998

⇒Nt = 100 ×4.000

⇒ Nt = 400

Therefore, the population will be 400 individuals in 2 years if it continues to undergo exponential growth with a population doubling time of 1 year.

Learn more about exponential here

brainly.com/question/31295441

#SPJ4

The function
models the DVD sales, in billions of dollars, from 1999 to 2017, where
is the number of years since 1999.

What is the average rate of change of DVD sales, in billion of dollars, per year for the period from 2001 to 2008? Round your answer to the nearest tenth, if necessary.

Answers

The average rate of change of DVD sales is 723.1 billion dollars.

How to determine average rate of change of DVD sales?

The average rate of change of an equation can be determine by using the formula below:

average rate of change = (f(x₂)- f(x₁)) / [x₂- x₁]

From the given information of the DVD sales:

f(x) = -158.8x² + 2469.9x + 3010.5

x₁ = 2001 - 1999 = 2

x₂ = 2008 - 1999 = 9

average rate of change =  ([-158.8(9)² + 2469.9(9) + 3010.5] - [-158.8(2)² + 2469.9(2) + 3010.5]) / (9-2)

                                      = (12376.8 - 7315.1)/(7)

                                      = 723.1 billion dollars

Learn more about average rate of change on:

brainly.com/question/12363445

#SPJ1

Complete Question

Check image attached

Escribe a cuáles de las bolsas anteriores corresponde la notación decimal aproximada a tres cifras

Answers

6.2 × 10⁴ in decimal notation is simply 62,000.

In scientific notation, a number is expressed as the product of a decimal number between 1 and 10 and a power of 10.

Now, let's talk about converting a number in scientific notation to decimal notation. Decimal notation simply means expressing a number in the standard way, using digits and a decimal point. To convert a number in scientific notation to decimal notation, we just need to evaluate the product of the decimal number and the power of 10.

In the case of 6.2 × 10⁴, the decimal number is 6.2, and the power of 10 is 4. To evaluate the product, we simply move the decimal point in 6.2 four places to the right, since the power of 10 is positive. This gives us:

6.2 × 10⁴ = 62,000

To know more about decimal here

https://brainly.com/question/9543292

#SPJ4

Complete Question:

Convert to decimal notation: 6.2 × 10⁴

+
ent will
A circle with center (7,3) and radius of 5 is graphed below with a square inscribed in
the circle.
+
Dillon says to write the equation of the tangent line you need the opposite-reciprocal
slope of the slope of the radius and Chelsey says you need to use the same slope as
the radius. Who is correct and why? Write the equation of the tangent line.
Part B: Find the perimeter of BCDE.
Part C: Find the area of BCDE.
Part D: Prove BCDE is a square.

Answers

Chelsey is correct that we use the same slope as the radius to write the equation of the tangent line, even though the slope of the radius is undefined at the points of tangency.

The perimeter will be 20 ✓2 units.

The area will be 50 units²

How to explain the information

Chelsey is correct, and the reason is that a tangent line to a circle at a given point is always perpendicular to the radius of the circle at that point. This means that the slope of the tangent line and the slope of the radius at the point of tangency are negative reciprocals of each other.

Chelsey is correct that we use the same slope as the radius to write the equation of the tangent line.

The perimeter will be:

= 4 × BC

= 20 ✓2

The area will be:

= BC²

= (5✓2)²

= 50

It should be noted that BCDE is a square as EBC is 90°.

Learn more about slope on

https://brainly.com/question/3493733

#SPJ1

In ΔRST, s = 990 inches, ∠S=8° and ∠T=60°. Find the area of ΔRST, to the nearest square inch

Answers

The area of ΔRST, to the nearest square inch is,

Area = 29,17,735.54 square inches

We have,

In ΔRST, s = 990 inches, ∠S=8° and ∠T=60°.

Apply sine rule formula,

sin S / s = sin T / t

sin 8° / 990 = sin 60° / t

0.14 / 990 = 0.87 / t

0.14t = 990 x 0.87

0.14t = 861.3

t = 6,152 inches

Here, ∠R = 180° - (8 + 60)°

∠R = 180 - 68

∠R = 112°

sin S / s = sin R / r

sin 8° / 990 = sin 112° / r

0.14 / 990 = 0.92 / r

0.14r = 0.92 x 990

0.14r = 910.8

r = 910.8 / 0.14

r = 6505 inches

We use the formula

Heron's formula = √s(s - a)(s - b)(s - c)

Where s = a + b + c/2

Solving for s

s = 990 + 6505 + 6,152 /2

s = 6823.5

Solving for the area of the triangle

= √6823.5 × (6823.5 - 990) × (6823.5 - 6,152) × (6823.5 - 6505)

= √6823.5 x 5833.5 x 671.5 x 318.5

= 29,17,735.54 square inches

Learn more about the triangle visit;

brainly.com/question/1058720

#SPJ12

a consumer electronics company is comparing the brightness of two different types of picture tubes for use in its television sets. tube type a has mean brightness of 100 and standard deviation of 16, and tube type b has unknown mean brightness, but the standard deviation is assumed to be identical to that for type a. a random sample of tubes of each type is selected, and is computed. if equals or exceeds , the manufacturer would like to adopt type b for use. the observed difference is .

Answers

The probability that , Xb exceeds Xa , by 3.0 or more if ub and ua, are equal is 0.2537.

The probability of an occurrence is a figure that represents how likely it is that the event will take place. In terms of percentage notation, it is stated as a number between 0 and 1, or between 0% and 100%. The higher the likelihood, the more probable it is that the event will take place.

Probability is a way to gauge how likely something is to happen. Several things are difficult to forecast with absolute confidence. With it, we can only make predictions about the likelihood of an event happening, or how likely it is.

n1 = n2 = 25,

hypothesis,

standard error for difference,

[tex]\sqrt{\frac{16^2}{25} +\frac{16^2}{25} }[/tex]

=4.525

z =(3-0)/4.525

z=0.663

P(z ≥ 0.663) = 0.2537.

No, there is not strong evidence that [tex]\mu _B[/tex] is greater than [tex]\mu _A[/tex].

Learn more about Probability:

https://brainly.com/question/30859510

#SPJ4

Complete question;

A consumer electronics company is comparing the brightness of two different types of picture tubes for use in its television sets. Tube type A has mean brightness of 100 and standard deviation of 16, and tube type B has unknown mean brightness, but the standard deviation is assumed to be identical to that for type A. A random sample of n = 25 tubes of each type is selected, and X -X, is computed. If u, equals or exceeds u,, the manufacturer would like to adopt type B for use. The observed difference is X,X, - 3.0. a. What is the probability that , exceeds X, by 3.0 or more if ug and u, are equal? b. Is there strong evidence that ug is greater than u,?

The quantity of a substance can be modeled by the function Z(t) that satisfies the dᏃ differential equation dZ/dt = 1/20Z. One point on this function is Z(1) = 140. Based on this model, use a linear approximation to the graph of Z at = 1 to estimate the quantity of the substance at t = 1.2

Answers

The estimated quantity of the substance at t = 1.2 is approximately 140.018.

The given differential equation is: dZ/dt = 1/20Z

Separating variables and integrating, we have:

∫ Z dZ = ∫ 1/20 dt

1/2 Z^2 = 1/20 t + C

where C is the constant of integration.

Using the given initial condition Z(1) = 140, we can solve for C:

1/2 (140)^2 = 1/20 (1) + C

C = 9800 - 70 = 9730

So, the equation that models the quantity of the substance is:

1/2 Z^2 = 1/20 t + 9730

Now, we can use linear approximation to estimate the quantity of the substance at t = 1.2, based on the information at t = 1.

The linear approximation formula is:

L(x) = f(a) + f'(a) * (x - a)

where a is the known point and f'(a) is the derivative of the function at a.

In this case, a = 1, so we have:

Z(1.2) ≈ Z(1) + Z'(1) * (1.2 - 1)

To find Z'(1), we take the derivative of the function:

Z(t) = √(40t + 194600)

Z'(t) = (40/2) * (40t + 194600)^(-1/2) * 40

Z'(t) = 800/(40t + 194600)^(1/2)

So, at t = 1, we have:

Z'(1) = 800/(40(1) + 194600)^(1/2) ≈ 0.0898

Now, we can use the linear approximation formula to estimate Z(1.2):

Z(1.2) ≈ Z(1) + Z'(1) * (1.2 - 1)

Z(1.2) ≈ 140 + 0.0898 * 0.2

Z(1.2) ≈ 140.018

Therefore, based on this model, the estimated quantity of the substance at t = 1.2 is approximately 140.018.

To learn more about estimated quantity visit: https://brainly.com/question/29944313

#SPJ11

If AB is tangent to circle P at B, find Measure of angle 1

Answers

To find the measure of angle 1 when AB is tangent to circle P at point B, we must consider some properties of tangents and circles.

A tangent line to a circle is a line that touches the circle at exactly one point, known as the point of tangency. In this case, line AB is tangent to circle P at point B. A crucial property of tangents is that they are perpendicular to the radius of the circle at the point of tangency. Therefore, the radius PB of circle P is perpendicular to tangent AB at point B.

Now, let's examine angle 1. If angle 1 is the angle formed by the tangent AB and the radius PB at point B, then it is a right angle due to the aforementioned property. In this case, the measure of angle 1 is 90 degrees.

However, if angle 1 is not directly formed by the tangent and radius, more information is needed to determine its measure. For example, if angle 1 is an angle inside the circle, you would need to know the measure of other angles or lengths of chords within the circle to calculate it.

In summary, if angle 1 is formed by tangent AB and radius PB at point B, its measure is 90 degrees because tangents are perpendicular to the radius at the point of tangency. If angle 1 is not formed by the tangent and radius, additional information is required to determine its measure.

To know more about tangents refer here

https://brainly.com/question/10053881#

#SPJ11

A study reports that in 20102010 the population of the United States was 308,745,538308,745,538 people and the land area was approximately 3,531,9053,531,905 square miles. ​Based on the study, what was the population density, in people per square mile, of the United States in 20102010? ​Round your answer to the nearest tenth. ​

Answers

The population density is 87.4, under the condition that a study report shows that in 2010 the population of the United States was counted to be  308,745,538 people and the land area is approximately 3,531,905 square miles.

Now to evaluate  the population density of the United States in 2010, here we have to use the principles of division
Population density = Population / Land area

Staging  the values from the study
Population density = 308,745,538 / 3,531,905
The evaluated Population density = 87.4 people per square mile

Then, the United State's population density in 2010 was  evaluated as 87.4 people per square mile.

To learn more about population density
https://brainly.com/question/13902749
#SPJ4
The complete question is
A study reports that in 2010 the population of the United States was 308,745,538 people and the land area was approximately 3,531,905 square miles. ​Based on the study, what was the population density, in people per square mile, of the United States in 2010? ​Round your answer to the nearest tenth. ​

An ant travels 33cm in walking completely around the edges of a rectangle. If the rectangle is twice as long as it is wide, how long is the shortest side?

Answers

Rectangle: w = 5.5cm, l = 11cm. Shortest side is width.

The equation relates the sound level, , in decibels (dB), of a noise with an intensity of I to the smallest sound intensity that can be heard by the human ear, (approximately watts/meter2).



The maximum intensity of a car horn is approximately 0. 01 watts/meter2. Based on this information, which value is closest to the maximum sound level, in decibels, of a car horn?
.


100 dB



10 dB



1,000 dB



10,000 dB

Answers

The equation relates the sound level, in decibels (dB), of a noise with an intensity of I to the smallest sound intensity that can be heard by the human ear, which is approximately 1 x 10^-12 watts/meter2.

Using this equation and the given maximum intensity of a car horn (0.01 watts/meter2), we can find the maximum sound level in decibels:

Sound level = 10 log (0.01/1 x 10^-12)
Sound level = 10 log (1 x 10^10)
Sound level = 100 dB

Therefore, the value that is closest to the maximum sound level in decibels of a car horn is 100 dB.

Use the coordinates to find the length of each side
Then find the perimeter. (Examples 1 and 2)
D(1, 2), E(1, 7), F(4, 7), G(4, 2)

Answers

P= 16

Explanation: plot coordinates on graph and find the distance

Work: ** u can use Desmos online graphing calculator**

Dos personas reciben a los carros que entran a un estacionamiento. La primera persona entrega un boleto verde cada dos carros que entran. La segunda persona entrega un boleto azul cada tres carros que entran. ¿Qué número ocupará en la fila el tercer carro que recibirá boletos de ambos colores?

Answers

Por lo tanto, el tercer carro que recibirá boletos de ambos colores ocupará la posición número 18 en la fila.

Hola, entiendo que quieres saber en qué posición de la fila se encontrará el tercer carro que recibirá boletos de ambos colores (verde y azul). Para esto, vamos a analizar la situación:

- La primera persona entrega un boleto verde cada 2 carros.
- La segunda persona entrega un boleto azul cada 3 carros.

Un carro que recibe boletos de ambos colores será aquel que ocupa una posición que es múltiplo común de 2 y 3. El mínimo común múltiplo (MCM) de 2 y 3 es 6. Por lo tanto, cada 6 carros, habrá uno que reciba boletos de ambos colores.

Para encontrar el tercer carro que recibirá boletos de ambos colores, simplemente multiplicamos el MCM (6) por la cantidad de carros que buscamos (3):

6 × 3 = 18

Por lo tanto, el tercer carro que recibirá boletos ición número 18 en la fila.

To learn more about encontrar, refer below:

https://brainly.com/question/30634577

#SPJ11

Find the missing side
17 cm
1319
a
area = 25 cm²

Answers

Answer:

a= 2.9cm

Step-by-step explanation:

area =25 so 17a=50

50/17=2.941176...

Use of Sine formula

Area = 0.5 x sin (A) x a x b


25 = 0.5 x sin (131) x 17 x a

sin 131 = 0.7547

a = (25) / (0.5 x 0,7547 x 17)
= 25 / 6.415
= 3.897 cm

Ross Times, the student newspaper of Ross College, printed a "What do you think?" column feature asking: "Do you think that the college is doing enough to provide student parking?" Anyone could mail in a response or use the paper's Web site to respond. In all, 126 answers were received.




This is an example of:




(a) a voluntary response sample.



(b) a multistage sample.



(c) a simple random sample.



(d) a convenience sample.



(e) the placebo effect

Answers

The answer is (d) a convenience sample.

This is because the sample is not randomly selected from the population of all students at Ross College. Instead, it relies on individuals who are willing and available to respond to the question through the methods provided by the newspaper.

Therefore, the sample is more likely to be composed of individuals who feel strongly about the issue of student parking or who have had particularly positive or negative experiences with it, rather than being representative of the entire population of Ross College students.

In conclusion, the Ross Times student newspaper's feature column asking for opinions on the provision of student parking at Ross College represents a convenience sample of responses, and may not be representative of the entire population of Ross College students.

To know more convenience sample about refer here:

https://brainly.com/question/1413932

#SPJ11

Si un cateto de un triángulo rectángulo y la hipotenusa miden 5 y 13cm, respectivamente, ¿cuánto mide el otro cateto?

Answers

The measure of the other side of the right triangle is given as follows:

12 cm.

What is the Pythagorean Theorem?

The Pythagorean Theorem states that in a right-angled triangle, the square of the length of the hypotenuse (the longest side) is equal to the sum of the squares of the lengths of the other two sides.

The theorem is expressed as follows:

c² = a² + b².

In which:

c is the length of the hypotenuse.a and b are the lengths of the other two sides (the legs) of the right-angled triangle.

The parameters for this problem are given as follows:

Sides of 5 and x.Hypotenuse of 13.

Hence the other side has the length given as follows:

5² + x² = 13²

25 + x² = 169

x² = 144

x = 12.

More can be learned about the Pythagorean Theorem at brainly.com/question/30203256

#SPJ1

The two-way table shows the number of houses on the market in the castillos’ price range. a 6-column table has 4 rows. the first column has entries 1 bathroom, 2 bathrooms, 3 bathrooms, total. the second column is labeled 1 bedroom with entries 67, 0, 0, 67. the third column is labeled 2 bedrooms with entries 21, 6, 18, 45. the fourth column is labeled 3 bedrooms with entries 0, 24, 16, 40. the fifth column is labeled 4 bedrooms with entries 0, 0, 56, 56. the sixth column is labeled total with entries 88, 30, 90, 208. what is the probability that a randomly selected house with 2 bathrooms has 3 bedrooms? 0.2 0.4 0.6 0.8

Answers

The probability that a randomly selected house with 2 bathrooms has 3 is: 0.8.

So, the fourth option is correct.

We have given that,

The two-way table shows the number of houses on the market in the Castillos’ price range.

A 6-column table has 4 rows.

The first column has entries 1 bathroom, 2 bathrooms and 3 bathrooms, in total.

The second column is labeled 1 bedroom with entries 67, 0, 0, 67.

The third column is labeled 2 bedrooms with entries 21, 6, 18, 45.

We are only considering the houses that have 2 bathrooms.

There are a total of 30 of these houses.

Out of these 30, 24 have 3 bedrooms.  

What is the formula for probability?

The probability of an event can only be between 0 and 1 and can also be written as a percentage.

This makes the probability 24/30, which is 0.8.

Therefore, the probability that a randomly selected house with 2 bathrooms has 3 is: 0.8.

So, the fourth option is correct.

To learn more about the probability visit:

brainly.com/question/25870256

#SPJ12

The scores on the last math quiz are summarized in the following frequency table:
Score
10
9
8
7
6
5
4
3
2
1
0
Frequency
6
7
5
3
2
1
1
0
0
0
0

The information is then put into the following histogram:
A histogram has score on the x-axis, and frequency on the y-axis. A score of 4 has a frequency of 1; 5, 1; 6, 2; 7, 3; 8, 5; 9, 7; 10, 6.
Calculate the mean, median, mode, and midrange of this quiz distribution and explain whether the distribution is skewed to the left or to the right.
a.
Mean = 9, median = 8.2, mode = 7, midrange = 9; skewed to the left.
b.
Mean = 8.2, median = 9, mode = 9, midrange = 7; skewed to the left.
c.
Mean = 8.2, median = 9, mode = 9, midrange = 7; skewed to the right.
d.
Mean = 9, median = 8.2, mode = 7, midrange = 9; skewed to the right.



Please select the best answer from the choices provided

Answers

The correct option regarding the data is B. Mean = 8.2, median = 9, mode = 9, midrange = 7; skewed to the left.

How to explain the data

A histogram has score on the x-axis, and frequency on the y-axis. A score of 4 has a frequency of 1; 5, 1; 6, 2; 7, 3; 8, 5; 9, 7; 10, 6.

It shtbe noted that Mean = 8.2, median = 9, mode = 9, midrange = 7; skewed to the left.

This statement describes a distribution with a mean equal to the median and a mode that is likely less than the mean and the median. The fact that the distribution is skewed to the left indicates that the tail of the distribution is longer on the left side, and that there may be some low outliers that are pulling the mean towards the left.

Learn more about mean on

https://brainly.com/question/1136789

#SPJ1

Other Questions
how is charged particles related to electric current, electric circuits, and resistance The vertices of AABC are A (-3, -6), B (-3,5), and C (5,5).What is the area of AABC? PLEASE HELP!!!The surface area of a triangular pyramid is 400 square meters. The surface area of a similar triangular pyramid is 25 square meters.What is the ratio of corresponding dimensions of the smaller pyramid to the larger pyramid?Enter your answer by filling in the boxes. More liquid categories of money are part of . less liquid categories are included in . Consider the expression 16 - y^2/square root of 49 + 12. What is the value of the expression when y=-5? Select the two sentences that tell how Daniel Webster changed Paul Jennings's life. He asked Jennings to write a book. W B) He helped Jennings become a free man. He told Jennings how to save the portrait. O He discovered a plot to free 77 slaves. He let Jennings fight in the Civil War. He gave Jennings a job to support himself. I need to know how to solve this equation what item did a pair of inmates use to dig their way out of a virginia jail? please help ill give u brainliest 5) Which DOES NOT support the author's opinion or viewpoint that she is against the soda ban? A) The proposed soda ban is over the top. B) Sodas cause tooth decay and health concerns. C) Lets keep the soda machines and lets keep the money. D) Sodas help pay for sport programs and band programs Imagine that you have been commissioned by your government to design from scratch an entirely new system for corporate governance. Your system is to be the most effective governance system and you are allowed to borrow freely from the standards of any country in the world. What are your recommended best practices Out on the field, the players and the fans were celebrating Brent starts with 16 identical white socks in his sock drawer. Imagine he receives 2 identical black socks as a gift and mixes them in with his 16 white socks. If he draws one sock without looking to put on his left foot, then draws a second sock without looking to put on his right foot, what is the probability that he draws mismatched socks? At the end of the text, Coates concludes that it is important to. A. Acknowledge the struggle and appreciate the high moments. A. Acknowledge the struggle and appreciate the high moments. B. Be patient and have a positive attitude while traveling. B. Be patient and have a positive attitude while traveling. C. Focus on how much one has to learn before becoming an expert. C. Focus on how much one has to learn before becoming an expert. D. Be willing to make mistakes when first learning a new skill In your group, explain how the Superstorm collected andtransformed water vapor along the path of the storm. In yourexplanation, be sure to include how temperature played a rolein the formation of the storm. PLEASE HELP!! 416 g of Xenon-146 was placed in a container to decay, if there is now 13g of Xenon- 146 left, how long has the Xenon been decaying? (the half-life of ^ 146 Xe is 37 hours) Please enter your answer as with one decimal place and with no units. 6. Suppose that demand and supply of Oragnges are described by the following equations: P = 200-6Q (demand) P = 40 +2Q (supply) a) Calculate the equilibrium price and quantity. Illustrate. Research and provide a description of the "talk test" and "breath test" as it relates to physical activity. Make reference to the anaerobic threshold in your answer. (10 marks: 3 definition, 2 reference to the anaerobic threshold) you must describe the test and how it is conducted. A) What are the effects of the talk test and breath sound check on the body? (2 marks) b) How do the tests relate to intensity level? (2 marks) 2) Why is it important for an athlete to get rid of CO 2 than take in O 2 ? (2 marks) 3) Why do trained subjects have a lower VE (Minute Ventilation) during exercise? Explain. (2 marks) 4) What is the relationship between the lactate threshold and ventilatory threshold? (2 marks) 5) Describe what VO2 max is and how it differs between a trained and untrained individual. (4 marks) 6) What is a Shallow Water Blackout? Explain how it happens in terms O2 and CO2 levels (4 marks) ** References should be embedded in the write up** The monomial -3xy2z(-2x2yz) has degree of: Hurry!!!!!! help pleaseee i reallllyyyy need help1. you may recall that the products of the complete combustion of a hydrocarbon are water vapor and carbon dioxide gas. write the balanced equation showing the combustion of methane. do not forget to include the states of matter of the reactants and the products. hint: methane is a gas at standard temperature and pressure. (2pts)balanced equation: ch4(g)+202(g) -> co2(g)+2h2o(g)to begin the experiment, 1.65g of methane ch4 is burned in a bomb calorimeter containing 1000 grams of water. the initial temperature of water is 18.98oc. the specific heat of water is 4.184 j/g oc. the heat capacity of the calorimeter is 615 j/ oc . after the reaction the final temperature of the water is 36.38oc.2. calculate the change in temperature, t. show your work. (1pt)3. calculate the heat absorbed by water. use the formula qwater = m c t show your work (2pts)4.calculate the heat absorbed by the calorimeter. use the formula: qcal = ccal t show your work. (2pts)5. the total heat absorbed by the water and the calorimeter can be calculated by adding the heat calculated in steps 3 and 4. the amount of heat released by the reaction is equal to the amount of heat absorbed with the negative sign as this is an exothermic reaction. (2pts)a.using the formula h = - (qcal + qwater ) , calculate the total heat of combustion. show your work. b. convert heat of combustion (answer from part a) from joules to kilojoules. show your work.6. evaluate the information contained in this calculation and complete the following sentence: (2pts)this calculation shows that burning _______ grams of methane [takes in] / [gives off] energy (choose one).7. the molar mass of methane is 16.04 g/mol. calculate the number of moles of methane burned in the experiment. show your work. (2pts)8. what is the experimental molar heat of combustion in kj/mol? show your work. (2pts)9. the accepted value for the heat of combustion of methane is -890 kj/mol . explain why the experimental data might differ from the theoretical value in 2-3 complete sentences. (2pts)10. given the formula: % error= |(theoretical value - experimental value)/theoretical value)| x 100 calculate the percent error. show your work. (2pts)11. a 29.7 gram piece of aluminum is sitting on a hot plate. a student accidentally left the hot plate on. the aluminum now is very hot and has to be cooled. you fill a beaker with 250 grams of water. the aluminum is placed in the water. you are curious so you place a thermometer in the beaker. the water warms from 22.3 c to 30.8 c. the c (aluminum) is 0.900 j/gc, and the c (water) is 4.18 j/gcdo you have enough information to calculate the amount of energy transferred in this situation? explain in 2-3 complete sentences. (1pt)