What is the variance of the following set of data?


4, 44, 404, 244, 4, 74, 84, 64

Answers

Answer 1

The variance of the given data set is 18603.39.

To find the variance of the given data set {4, 44, 404, 244, 4, 74, 84, 64}, follow these steps:

Step 1: First, we need to find the mean of the data set:

Mean = (4 + 44 + 404 + 244 + 4 + 74 + 84 + 64) / 8 = 120.5

Step 2: Next, we calculate the deviation of each data point from the mean:

(4 - 120.5) = -116.5

(44 - 120.5) = -76.5

(404 - 120.5) = 283.5

(244 - 120.5) = 123.5

(4 - 120.5) = -116.5

(74 - 120.5) = -46.5

(84 - 120.5) = -36.5

(64 - 120.5) = -56.5

Step 3: Now, we square each deviation:

[tex](-116.5)^2 = 13556.25\\(-76.5)^2 = 5852.25\\(283.5)^2 = 80322.25\\(123.5)^2 = 15252.25\\(-116.5)^2 = 13556.25\\(-46.5)^2 = 2162.25 \\(-36.5)^2 = 1332.25\\(-56.5)^2 = 3192.25[/tex](-116.5)^2 = 13556.25

Step 4: We add up all the squared deviations:

13556.25 + 5852.25 + 80322.25 + 15252.25 + 13556.25 + 2162.25 + 1332.25 + 3192.25 = 130223.75

Step 5: We divide the sum of the squared deviations by the number of data points minus 1 to get the variance:

Variance = 130223.75 / 7 = 18603.39 (rounded to two decimal places)

Therefore, the variance of the data set is 18603.39.

To know more about Variance refer here:

https://brainly.com/question/14116780

#SPJ11



Related Questions

Find a formula for the sum of n terms. Use the formula to find the limit as n = [infinity].
lim ∑ ( 6 + i/n) (2/n)

Answers

To find a formula for the sum of n terms, we need to first write out the first few terms of the series and look for a pattern:

n=1: (6+1/1) (2/1) = 14
n=2: (6+1/2) (2/2) + (6+2/2) (2/2) = 16
n=3: (6+1/3) (2/3) + (6+2/3) (2/3) + (6+3/3) (2/3) = 17 1/3
n=4: (6+1/4) (2/4) + (6+2/4) (2/4) + (6+3/4) (2/4) + (6+4/4) (2/4) = 18

From this, we can see that the nth term is given by (6+i/n) (2/n). To find the sum of n terms, we simply add up all of the terms from i=1 to i=n:

∑ (6+i/n) (2/n) = (2/n) ∑ (6+i/n)

Using the formula for the sum of an arithmetic series, we get:

∑ (6+i/n) = n/2 (6 + (6+n)/n)

Substituting this back into our expression for the sum of n terms, we get:

∑ (6+i/n) (2/n) = (2/n) * (n/2) * (6 + (6+n)/n) = 6 + (6+n)/n

Taking the limit as n approaches infinity, we get:

lim (6 + (6+n)/n) = 6 + lim ((6+n)/n) = 6 + 1 = 7

Therefore, the limit of the given series as n approaches infinity is 7.

To find the formula for the sum of n terms, we will use the concept of Riemann sums. Given the expression you provided, it appears that you are trying to compute the limit of the Riemann sum as n approaches infinity, which will give you the integral of the function.

Expression: lim (n→∞) ∑ (6 + i/n) (2/n)

First, let's rewrite the Riemann sum in integral form:

∫(6 + x)dx

Now we need to find the integral of the function and evaluate it over a specific interval. However, you haven't provided the interval, so I'll assume it is [a, b].

∫(6 + x)dx evaluated from a to b will give us the formula for the sum of n terms:

F(x) = 6x + (1/2)x^2

Now, evaluate F(x) over the interval [a, b]:

F(b) - F(a) = [6b + (1/2)b^2] - [6a + (1/2)a^2]

This is the formula for the sum of n terms. To find the limit as n approaches infinity, you will need to provide the specific interval [a, b]. Otherwise, the limit cannot be determined without further information.

Learn more about calculus here: brainly.com/question/6581270

#SPJ11

Which conic section is formed when a plane intersects the central axis of a double-napped cone at a 90° angle?



circle


ellipse


hyperbola


parabola



Answer: A

Answers

The conic section formed when a plane intersects the central axis of a double-napped cone at a 90° angle is circle.

The conic curve refers to the intersection of right circular cone via the plane. The shape of conic sections are determined by the location of the plane that intersects or divides the angle of intersection and cones.

These can be of four types, parabola, circle, ellipse and hyperbola. The conic curves find application in daily life such as mirrors, satellites, telescopes and other similar devices.

Learn more about conic curve -

https://brainly.com/question/27273866

#SPJ4

Answer:circle A.

Step-by-step explanation:

Find the standard matrix for the linear transformation T:R2 + R2 that shears horizontally, with T "((A)) = (-1,67)

Answers

The standard matrix for the linear transformation T that shears horizontally is T = [(1 1) (0 1)] [(1 0) (-6 1)] [(1 1) (0 1)]^(-1) = [(1 -6) (0 1)].

To find the standard matrix for the linear transformation T that shears horizontally, we need to determine the matrix that transforms the standard basis vectors e1 and e2 into the shear vectors s1 and s2. The shear vectors are obtained by applying the linear transformation T to the standard basis vectors e1 and e2, respectively.

The shear vector s1 is obtained by shearing the point (1,0) horizontally by -1 unit, and then vertically by 6 units. This gives us s1 = (-1,6). Similarly, the shear vector s2 is obtained by shearing the point (0,1) horizontally by -1 unit and leaving it vertically unchanged. This gives us s2 = (-1,1).

To obtain the standard matrix for the linear transformation T, we need to find the matrix A that transforms the standard basis vectors e1 and e2 into the shear vectors s1 and s2, respectively. We can express A as [s1 s2] [e1 e2]^(-1), where [s1 s2] is a 2x2 matrix whose columns are the shear vectors, and [e1 e2]^(-1) is the inverse of the 2x2 matrix whose columns are the standard basis vectors.

Substituting the values of s1, s2, e1, and e2, we get:

A = [(1 -1) (6 1)] [(1 0) (0 1)]^(-1) = [(1 -1) (6 1)] [(1 0) (0 1)] = [(1 -1) (6 1)]

Therefore, the standard matrix for the linear transformation T that shears horizontally is T = [(1 1) (0 1)] [(1 -1) (6 1)] [(1 1) (0 1)]^(-1) = [(1 -6) (0 1)].

For more questions like Matrix click the link below:

https://brainly.com/question/28180105

#SPJ11

Pls help me out with this...

Answers

Answer:

f(x) = g(x - 9)

Step-by-step explanation:

The transformation from g(x) to f(x) is a translation of 9 units to the right.

A horizontal translation of h units takes place when x is replaced by x - h.

Here, replace x by x - 9.

f(x) = g(x - 9)

Melanie knows she needs 5kg of grass seed to make a square lawn 8m by 8m. Grass seed is sold in 3kg boxes. Melanie wants to make a rectangular lawn by 12m by 14m. She has 4 boxes of grass seed. Has Melanie got enough grass seed to make a lawn by 12m by 14. Show your working out

Answers

Melanie does not have enough grass seed to make a lawn.

To find out if Melanie has enough grass seed to make a lawn by 12m by 14m, we need to calculate the area of the lawn and compare it to the amount of grass seed she has.

The area of the square lawn is 8m x 8m = 64 square meters. To cover this area with 5kg of grass seed, we can calculate the amount of grass seed needed per square meter: 5kg / 64 square meters = 0.078125 kg/square meter.

The area of the rectangular lawn is 12m x 14m = 168 square meters. To cover this area with the same amount of grass seed per square meter, we can calculate the total amount of grass seed needed: 168 square meters x 0.078125 kg/square meter = 13.125 kg.

Since Melanie only has 4 boxes of grass seed, which is a total of 12kg, she does not have enough to cover the rectangular lawn. She would need at least 1.125 kg more grass seed to cover the area.

To know more about rectangular area refer here:

https://brainly.com/question/31822659?#

#SPJ11

An aquarium at a zoo is shaped like a cylinder. it has a height of 5 ft and a base radius of 3.5 ft. its being filled with water at a rate of 12 gallons per min. if one cubic foot is about 7.5 gallons, how long will it take to fill

Answers

It will take approximately 2 hours and 3 minutes to fill the aquarium.

How to adjust journal entries for partnership?

The aquarium at the zoo is in the shape of a cylinder with a height of 5 feet and a base radius of 3.5 feet.

To calculate the volume of the aquarium, we can use the formula for the volume of a cylinder, which is:

V = πr²h

Plugging in the given values we get:

V = π(3.5²)(5) = 192.5π cubic feet

Since one cubic foot is approximately 7.5 gallons, the aquarium has a volume of approximately 1443.75 gallons. If the aquarium is being filled at a rate of 12 gallons per minute, it will take approximately 120.3 minutes, or 2 hours and 3 minutes, to fill the aquarium.

Learn more about aquarium

brainly.com/question/6567948

#SPJ11

Find the missing point of the following parallelogram. (2,4) (6,5) (7,5) (5,3)

Answers

Answer:

The missing point of this parallelogram is (6, 5).

What is the volume of the composite figure if both the height and the diameter of the cylinder are 3. 5 feet? Give the exact answer and approximate to two decimal places

Answers

The exact volume of the composite figure with a cylinder of height and diameter 3.5 feet and a hemisphere on top is 49.92 cubic feet.

How to find the volume?

To find the volume of the composite figure, we need to add the volumes of the cylinder and the hemisphere on top of it.

The formula for the volume of a cylinder is:

V_cylinder = π[tex]r^2[/tex]h

where r is the radius of the cylinder and h is its height.

The formula for the volume of a hemisphere is:

V_hemisphere = (2/3)π[tex]r^3[/tex]

where r is the radius of the hemisphere.

In this case, the diameter of the cylinder is given as 3.5 feet, so the radius is half of that, or 1.75 feet. The height of the cylinder is also given as 3.5 feet. Therefore, the volume of the cylinder is:

V_cylinder = π(1.75[tex])^2[/tex](3.5) ≈ 32.67 cubic feet

To find the volume of the hemisphere, we need to first find its radius. Since the diameter of the cylinder is also the diameter of the hemisphere, the radius of the hemisphere is also 1.75 feet. Therefore, the volume of the hemisphere is:

V_hemisphere = (2/3)π(1.75[tex])^3[/tex] ≈ 17.25 cubic feet

Finally, we add the volumes of the cylinder and hemisphere to get the total volume of the composite figure:

V_total = V_cylinder + V_hemisphere

≈ 32.67 + 17.25

= 49.92 cubic feet

Learn more about volume

brainly.com/question/13338592

#SPJ11

What's the volume of a rectangular prism with a base area of 52 square inches and a height of 14 inches?

Answers

The volume of the rectangular prism is 728 cubic inches.

How to find the volume of a rectangular prism?

A rectangular prism is a three-dimensional object that has six faces, all of which are rectangles. It is also known as a rectangular parallelepiped. To find the volume of a rectangular prism, we need to know the area of the base and the height of the prism.

The base of a rectangular prism is a rectangle, and its area is given by the formula A = lw, where l is the length and w is the width of the rectangle. Once we know the area of the base, we can find the volume of the prism by multiplying the base area by the height of the prism. The formula for the volume of a rectangular prism is:

V = Bh

where B is the area of the base and h is the height of the prism.

In the given problem, we are given the base area of the rectangular prism as 52 square inches and the height as 14 inches. Therefore, we can substitute these values into the formula to find the volume of the rectangular prism:

V = Bh = 52 sq in * 14 in = 728 cubic inches

So the volume of the rectangular prism is 728 cubic inches.

Learn more about prism

brainly.com/question/29722724

#SPJ11

Find the derivative.
f(X) = (2e^3x + 2e^-2x)^4

Answers

To find the derivative of f(x) = (2e^(3x) + 2e^(-2x))^4, we can use the chain rule and the power rule.

First, we need to find the derivative of the function inside the parentheses, which is:

g(x) = 2e^(3x) + 2e^(-2x)

The derivative of g(x) is:

g'(x) = 6e^(3x) - 4e^(-2x)

Now, using the chain rule and power rule, we can find the derivative of f(x):

f'(x) = 4(2e^(3x) + 2e^(-2x))^3 * (6e^(3x) - 4e^(-2x))

Simplifying this expression, we get:

f'(x) = 24(2e^(3x) + 2e^(-2x))^3 * (e^(3x) - e^(-2x))
To find the derivative of f(x) = (2e^(3x) + 2e^(-2x))^4, we can use the chain rule. The chain rule states that the derivative of a composite function is the derivative of the outer function times the derivative of the inner function.

Let u = 2e^(3x) + 2e^(-2x). Then f(x) = u^4.

First, find the derivative of the outer function with respect to u:
df/du = 4u^3

Next, find the derivative of the inner function with respect to x:
du/dx = d(2e^(3x) + 2e^(-2x))/dx = 6e^(3x) - 4e^(-2x)

Now, use the chain rule to find the derivative of f with respect to x:
df/dx = df/du * du/dx = 4u^3 * (6e^(3x) - 4e^(-2x))

Substitute the expression for u back into the equation:
df/dx = 4(2e^(3x) + 2e^(-2x))^3 * (6e^(3x) - 4e^(-2x))

This is the derivative of f(x) with respect to x.

Learn more about derivatives here: brainly.com/question/29096174

#SPJ11

5. Vanessa and Nancy plan to make a birthday cake. Working together, Vanessa and Nancy can complete the
birthday cake in 2 hours. If Nancy works alone, it will take her 3 times as long as it would take Vanessa to
complete the birthday cake. The equation below represents this situation.
2 2
-+-=1
3x
How many hours would it take Nancy to complete the birthday cake if she worked alone?
X

Answers

Using an equation, if Nancy worked alone, the number of hours it would take her to complete the birthday cake is 1 hour 30 minutes.

What is an equation?

An equation is a mathematical statement that proves the equality or equivalence of two or more mathematical expressions.

Equations use the equal symbol (=) unlike algebraic expressions, which combine variables with numbers, constants, and values using mathematical operands.

The number of hours for Vanessa and Nancy working together to make a birthday cake = 2 hours

The number of hours it takes Vanessa to complete the cake working alone = x

The number of hours it takes Nancy to complete the cake alone = 3x

Equation:

3x + x = 2

4x = 2

x = 0.5 = 30 minutes

The total time for Nancy to complete the cake = 3x = 1.5 (3 x 0.5)

= 1 hour 30 minutes

Learn more about equations at brainly.com/question/22688504.

#SPJ1

In ΔOPQ, p = 9. 5 inches, q = 7. 6 inches and ∠O=31°. Find the area of ΔOPQ, to the nearest 10th of a square inch

Answers

The area of ΔOPQ is approximately 18.9 square inches, rounding off to nearest 10th.

To find the area of ΔOPQ, we can use the formula:

Area = (1/2) * base * height

We know that p = 9.5 inches, q = 7.6 inches, and ∠O = 31°.

Now, using  trigonometry the height h of the triangle can be found using the sin function.

              sin(θ) = perpendicular/hypotenuse

perpendicular = hypotenuse* sin(θ)

                        = 7.6 * sin(31°)

                        ≈ 3.98 inches

Now, we can use the formula for the area:

Area = (1/2) * base * height

Putting in the values, we get:

Area = (1/2) * 9.5 * 3.98

Area ≈ 18.93 square inches

To know more about area of triangle refer to:

brainly.com/question/30249066

#SPJ4

Pythagorean theorem help quickly please

Answers

Answer:

In an isosceles right triangle, the length of the diagonal is √2 times the length of a leg.

c = 6√2 in. = 8.5 in.

Find the perimeter of the rectangle, in feet.


L: 3 1/4 FT

W: 7/8 FT


Answers:

A. 8 1/4 ft

B: 8 1/5 ft

C: 8 1/2 ft

D: 8 1/3 ft

Answers

The perimeter of the rectangle is 8 1/4 feet. the correct answer is A.

Perimeter is the total length of the sides of a two-dimensional shape. In a rectangle, opposite sides are equal in length, so the perimeter can be found by adding the lengths of all four sides. To find the perimeter of a rectangle, we use the formula:

Perimeter = 2(length + width)

In this case, the length is given as 3 1/4 feet and the width is given as 7/8 feet. To find the perimeter, we substitute these values into the formula:

Perimeter = 2(3 1/4 + 7/8)

To simplify, we need to convert the mixed number to an improper fraction and find a common denominator for the fractions:

Perimeter = 2(13/4 + 7/8)

Perimeter = 2(26/8 + 7/8)

Perimeter = 2(33/8)

Now we can simplify the expression by multiplying 2 by the fraction:

Perimeter = 66/8

We can reduce this fraction by dividing both the numerator and denominator by 2:

Perimeter = 33/4

Therefore, the perimeter of the rectangle is 8 1/4 feet, which is answer choice A.

Learn more about perimeter at https://brainly.com/question/15725265

#SPJ11

if y varies directly with x and y =20 when x=-2 find y when x=-1​

Answers

Answer:

y = 10

Step-by-step explanation:

If y varies directly with x, and y=20 when x=-2, the best way to find y when x=-1 is to divide 20/-2, which equals -10.

Now cancel out -1 by dividing it by 1, and do the same with -10 by dividing it by 1 also. This equals 10, and that's your answer. Check the table I made below representing the problem. It should make it easier understand.

Determine the location and value of the absolute extreme values off on the given interval, if they exist f(x) = 8x^3 / 3 +11x^2 - 6x on (-4,1)

Answers

Answer:

Calculate X at -4,-3 ,1/4 and 1.You can get 4 values.

Respectively.62.33,45,-0.77,4.6

The absolute maximum value is 123.333 at x = -4, and the absolute minimum value is -11.779 at x ≈ -1.135.

How to find bthe location and value of the absolute extreme values

To determine the location and value of the absolute extreme values of the function f(x) = (8/3)x³ + 11x² - 6x on the interval (-4, 1), follow these steps:

1. Find the critical points by taking the first derivative and setting it to zero:

f'(x) = (8/3)(3)x² + 11(2)x - 6 f'(x) = 8x² + 22x - 6

2. Solve for x: 8x² + 22x - 6 = 0

Using a quadratic formula or factoring, we get:

x ≈ -1.135 and x ≈ 0.634 3.

Check the endpoints and critical points for absolute extreme values:

f(-4) = (8/3)(-4)³ + 11(-4)² - 6(-4) ≈ 123.333

f(-1.135) ≈ -11.779 f(0.634) ≈ -0.981

f(1) = (8/3)(1)³ + 11(1)² - 6(1) = 5

The absolute maximum value is 123.333 at x = -4, and the absolute minimum value is -11.779 at x ≈ -1.135.

Learn more about absolute extreme value at

https://brainly.com/question/29017602

#SPJ11

What is the area that has 160ft tall 100 feet wide and another area that has 60ft long and 40ft wide , add both shapes together

Answers

The area for the first shape is  16,000 square feet, the area for the second shape is 2,400 square feet. The total area of both shapes added together is 18,400 square feet.

To find the area of the first shape, which is a rectangle that is 160 feet tall and 100 feet wide, we can use the formula:

Area = length x width

So, for the first shape, the area is:

Area = 160 ft x 100 ft

Area = 16,000 square feet

To find the area of the second shape, which is a rectangle that is 60 feet long and 40 feet wide, we can use the same formula:

Area = length x width

So, for the second shape, the area is:

Area = 60 ft x 40 ft

Area = 2,400 square feet

To find the total area of both shapes added together, we simply add the two areas:

Total Area = 16,000 square feet + 2,400 square feet

Total Area = 18,400 square feet

Therefore, the total area of both shapes added together is 18,400 square feet.

Learn more about the area;

brainly.com/question/1658516

#SPJ11

Find the necessary sample size.


A population is normal with a variance of 99. Suppose you wish to estimate the population mean μ. Find the sample size needed to assure with 68. 26 percent confidence that the sample mean will not differ from the population mean by more than 4 units.


A. 9


B. 7


C. 613


D. 25

Answers

If a population is normal with a variance of 99, the necessary sample size is 7 (Option B).

To find the necessary sample size for a given confidence level and margin of error, we can use the formula:

n = (Z² * σ²) / E²

where n is the sample size, Z is the Z-score corresponding to the desired confidence level, σ² is the population variance, and E is the margin of error.

In this case, the population variance (σ²) is 99, the desired confidence level is 68.26%, and the margin of error (E) is 4 units. The Z-score corresponding to a 68.26% confidence level is approximately 1, as it is close to one standard deviation from the mean in a normal distribution.

Now, we can plug the values into the formula:

n = (1² * 99) / 4²
n = (1 * 99) / 16
n = 99 / 16
n ≈ 6.19

Since we cannot have a fraction of a sample, we round up to the nearest whole number, which is 7. So, the necessary sample size is 7 (Option B).

More on variance: https://brainly.com/question/17097465

#SPJ11

Bank Rate (RATE) has a closing price of $13.95 and earnings of $2.71. The company iStar Financial (STAR) has a closing price of $12.18 and earnings of $3.62. Determine which company is financially stronger using their PE ratios.

Answers

iStar Financial (STAR) has a lower PE ratio than Bank Rate (RATE), which suggests that it may be financially stronger

To determine which company is financially stronger using their PE ratios, we need to calculate the PE ratio for each company. PE ratio, or price-to-earnings ratio, is a financial metric used to measure the valuation of a company's stock. It is calculated by dividing the market price per share by the earnings per share.

For Bank Rate (RATE), the PE ratio can be calculated as:

PE ratio = market price per share / earnings per share

PE ratio = $13.95 / $2.71

PE ratio = 5.14

For iStar Financial (STAR), the PE ratio can be calculated as:

PE ratio = market price per share / earnings per share

PE ratio = $12.18 / $3.62

PE ratio = 3.37

A lower PE ratio indicates that a company's stock is relatively undervalued compared to its earnings. In this case, iStar Financial (STAR) has a lower PE ratio than Bank Rate (RATE), which suggests that it may be financially stronger.

To learn more about PE ratio click on,

https://brainly.com/question/21505736

#SPJ1

In the equation
In the equation
T = -mv²,
T = = my², find the value of T when m = 50 and v= 2
hon simplify.

Answers

When m = 50 and v = 2, the value of T is -200 according to Equation 1 and 200 according to Equation 2.

In the given equations, T represents a variable and m and v are constants.

We need to find the value of T when m = 50 and v = 2.

Let's evaluate each equation separately.

Equation 1: T = -mv²

Substituting the given values, we have:

T = -(50)(2)²

T = -(50)(4)

T = -200

Equation 2: T = my²

Substituting the given values, we have:

T = (50)(2)²

T = (50)(4)

T = 200

Thus, when m = 50 and v = 2, Equation 1 gives T = -200 and Equation 2 gives T = 200.

These equations represent two different relationships between the variables.

Equation 1 has a negative sign in front of the result, indicating that T will have a negative value.

On the other hand, Equation 2 does not have a negative sign, resulting in a positive value for T.

For similar question on Equation.

https://brainly.com/question/29797709

#SPJ11

A fair 6-sides die is rolled 550 times. What is a reasonable prediction for the number of times the event of landing on an even number?

Answers

The prediction for the number of times the event of landing on an even number in 550 rolls is 275

Estimating the reasonable prediction

From the question, we have the following parameters that can be used in our computation:

The number of times = 550

The sample space of a fair 6-sided die is

S = {1, 2, 3, 4, 5, 6}

And as such the even numbers are

Even = {2, 4, 6}

This means that in a fair 6-sided die, we have

P(Even) = 3/6

When evaluated, we have

P(Even) = 1/2

So, when the die is rolled 550 times, we have

Expected value = 1/2 * 550

Evaluate

Expected value = 275

Hence, the number of times is 275

Read more about expected value at

brainly.com/question/15858152

#SPJ1

rotation 90 degrees clockwise about the origin, ignore the dots i kinda started it then i got lost

Answers

When the points are rotated 90 degrees clockwise about the origin, the result is:

I: (1, -3)J: (-1, -5)H: (-3, -3)

How to rotate about the origin ?

To rotate a point 90 degrees clockwise about the origin, you can use the following rule: (x, y) becomes (y, -x). Let's apply this rule to the given points:

I - (3, 1)

Rotated I: (1, -3)

J - (5, -1)

Rotated J: (-1, -5)

H - (3, -3)

Rotated H: (-3, -3)

So, after a 90-degree clockwise rotation about the origin, the new coordinates of the points are:

I: (1, -3)

J: (-1, -5)

H: (-3, -3)

Find out more on rotation at https://brainly.com/question/30316631

#SPJ1

A home buyer is financing a house for $135,950. The buyer has to pay $450 plus 1.15% for a brokerage fee. How much are the mortgage brokerage fees?

$2,489.25
$2,013.43
$2,018.60
$2,031.43

Answers

Answer: $2,013.43

Step-by-step explanation:

$135,950 x 1.15% = 1,563.425

Round to $1,563.43

Add in $450

$1,563.43 + $450 = $2,013.43

The answer is 2,013.43

Given: PA tangent to circle k(O) at A and PB tangent to circle k(O) at B.


Prove: m∠P=2·m∠OAB

Answers

PA is tangent to circle k(O), ∠OAP is a right angle. Similarly, ∠OBP is a right angle.

How to prove that m∠P=2·m∠OAB?

To prove that m∠P=2·m∠OAB, we need to use the properties of tangents to a circle and the angle relationships between tangent lines and chords in a circle.

First, let's draw a diagram of the situation:

              P

             / \

            /   \

           /     \

          /       \

         /         \

       A-----------B

       /               \

      /                  \

     /                     \

    O                      \

    |                          \

    |                            \

    |                              \

    ----------------------------

We are given that PA and PB are tangents to circle k(O) at A and B, respectively. This means that PA and PB are perpendicular to OA and OB, respectively, at the points of tangency A and B. We can also infer that OA and OB are radii of the circle k(O).

Let ∠OAB = x. Then, ∠OBA = x (since OA = OB), and ∠APB = 180° - ∠OAB - ∠OBA = 180° - 2x.

Since PA is tangent to circle k(O), ∠OAP is a right angle. Similarly, ∠OBP is a right angle. Therefore, ∠OAP + ∠OBP = 180°.

Let ∠P = y. Then, we have:

∠OAB + ∠OBA + ∠APB + ∠P = 180°

x + x + (180° - 2x) + y = 180°

y = 2x

Therefore, we have shown that m∠P = 2·m∠OAB, as required.

Learn more about the right angle

brainly.com/question/7116550

#SPJ11

Find all the points that are described by the following statement.
the first number of my ordered pair is 50. fo 20 points hurry!!!!!

Answers

The statement "the first number of my ordered pair is 50" implies that all the points are of the form (50, y), where y can be any real number.

Therefore, the set of points that satisfy this statement is infinite, and it is not possible to list all of them.

However, if you need 20 specific points, you can choose any 20 values for y and pair them with 50 to obtain 20 points that satisfy the given condition.

For example, some of the points that satisfy this statement are (50, 0), (50, 1), (50, -2), (50, π), and (50, 10^6).


If you want to learn more about real numbers, click here:
https://brainly.com/question/155227
#SPJ11

X-1 if x < 2 Let f(x)=1 if 2sxs6 X+4 if x > 6 a. Find lim f(x). X-+2 b. Find lim f(x). X-6 Select the correct choice and, if necessary, fill in the answer box to complete your choice. O A. lim = X-2 O B. The limit is not - oo or co and does not exist. Select the correct choice and, if necessary, fill in the answer box to complete your choice. O A. lim = X-6 OB. The limit is not - oor oo and does not exist.

Answers

a. The limit does not exist.
b. The limit is equal to 4.

a. To find the limit as x approaches 2, we need to evaluate the left-hand and right-hand limits separately and check if they are equal.
Left-hand limit: lim f(x) as x approaches 2 from the left
We have f(x) = x - 1 for x < 2. So, as x approaches 2 from the left, f(x) approaches 1.
Right-hand limit: lim f(x) as x approaches 2 from the right
We have f(x) = 1 for 2 ≤ x ≤ 6 and f(x) = x + 4 for x > 6. So, as x approaches 2 from the right, f(x) approaches 6.
Since the left-hand and right-hand limits are not equal, the limit as x approaches 2 does not exist.
b. To find the limit as x approaches 6, we need to evaluate the left-hand and right-hand limits separately and check if they are equal.
Left-hand limit: lim f(x) as x approaches 6 from the left
We have f(x) = 1 for 2 ≤ x ≤ 6 and f(x) = x + 4 for x > 6. So, as x approaches 6 from the left, f(x) approaches 1.
Right-hand limit: lim f(x) as x approaches 6 from the right
We have f(x) = x + 4 for x > 6. So, as x approaches 6 from the right, f(x) approaches 10.
Since the left-hand and right-hand limits are not equal, the limit as x approaches 6 does not exist.
Therefore, the correct choices are:
a. The limit is not -oo or co and does not exist.
b. lim = 4.

Learn more about limit Visit: brainly.com/question/282767

#SPJ11

On a certain plaats moon the acceleration due to gravity is 2.9 m/sec^2 if a rock dropped into a chivaste, how fast it will be going just before it hits the bottom 31 secs later?

Answers

the rock will be going 89.9 m/s just before it hits the bottom of the chaste on a certain plaats moon.

To answer your question, we need to use the formula for the acceleration due to gravity, which is:

a = g

where a is the acceleration, and g is the gravitational constant. In this case, we know that the acceleration due to gravity on the moon is 2.9 m/sec^2, so we can substitute that into the formula:

a = 2.9 m/sec^2

Now we need to use the formula for calculating the speed of an object that is falling under the influence of gravity, which is:

v = gt

where v is the speed, g is the gravitational constant, and t is the time. We know that the rock takes 31 seconds to hit the bottom of the chivaste, so we can substitute that into the formula:

t = 31 s

Now we can calculate the speed of the rock just before it hits the bottom:

v = gt
v = 2.9 m/sec^2 x 31 s
v = 89.9 m/s

So the rock will be going 89.9 m/s just before it hits the bottom of the chivaste on the certain plaats moon.

to learn more about gravitational constant click here:

https://brainly.com/question/17239197

#SPJ11

Which expression should you simplify to find the 90% confidence interval for a sample of 64 people with a mean of 36 and standard deviation of 3?

Answers

The 90% confidence interval for the sample is (35.384, 36.616).

How to calculate the interval for a sample of 64 people?

We may use the following expression to determine the 90% confidence interval for a sample of 64 participants with a mean of 36 and a standard deviation of 3.

where: X = sample mean

Z[tex]\alpha[/tex]/2 = critical value for a 90%  level from the ordinary normal distribution, which is roughly 1.645

σ = population standard deviation

n = sample size

Inputting the values provided yields:

CI = 36 ± 1.645 * (3 / √64)

When we condense the equation between the brackets, we obtain:

CI = 36 ± 1.645 * (3 / 8)

Further simplification results in:

CI = 36 ± 0.616

Consequently, the sample's 90% confidence interval is as follows:

(36 - 0.616, 36 + 0.616) = (35.384, 36.616)

Learn more about deviation here:

https://brainly.com/question/29088233?

#SPJ1

Which expression is equivalent to 16 + 2 x 36?



Answer choices:

Answers

The correct expression equivalent to 16 + 2 x 36 is 88.

To simplify the expression, we need to follow the order of operations, which is Parentheses, Exponents, Multiplication and Division (from left to right), and Addition and Subtraction (from left to right). In this case, we have multiplication and addition.

Using the order of operations, we first need to perform the multiplication:

2 x 36 = 72

Then, we add 16 to the product:

16 + 72 = 88

Therefore, 16 + 2 x 36 is equivalent to 88.

Learn more about Simplification: https://brainly.com/question/2804192

#SPJ11

An object accelerates from rest to a speed of 10 m/s over a distance 25 m. What acceleration did it experience?

Answers

The acceleration is 2 m/s²

How to calculate the acceleration?

The first step is to write out the parameters given in the question

Initial velocity which is denoted  u=  0final velocity which is denoted with v=  10 m/sdistance which is denoted with s = 25 m

Acceleration is the rate at which an object changes its velocity over time.

The formula to calculate the acceleration is v²= u² + 2as10²= 0² + 2(a)(25)100= 2a(25)100= 50a

Divide both sides by the coefficient of a which is 50

100/50 =  50a/50

a= 2

Hence the acceleration of the object is 2 m/s²

Read more on acceleration here

https://brainly.com/question/17756873

#SPJ1

Other Questions
Highlight the word(s) modified by the word, clause, or phrase in bold.nelson muntz tried to scrub the invisible ink out of the wovencarpet. To conserve water, many communities have developed water restrictions. The water utility charges a fee of $34, plus an additional $1.36 per hundred cubic feet (HCF) of water. The recommended monthly bill for a household is between $60 and $85 dollars per month. If x represents the water usage in HCF in a household, write a compound inequality to represent the scenario and then determine the recommended range of water consumption. (Round your answer to one decimal place. Which people believes in the divine right of king in the reformation and state consolation A retail store has a preferred customer plan where customers can earn discounts on all their purchases. the amount of a customers discount is determined by the amount of the customers cumulative purchases in the store as follows: a. when a preferred customer spends $500, he or she gets a 5 percent discount on all future purchases. b. when a preferred customer spends $1,000, he or she gets a 6 percent discount on all future purchases. c. when a preferred customer spends $1,500, he or she gets a 7 percent discount on all future purchases. d. when a preferred customer spends $2,000 or more, he or she gets a 10 percent discount on all future purchases. required:design a class named preferredcustomer, which extends the customer class. on the first day of training Zari runs 2 miles north, the 4 miles east and then back home via shortest route. Taye runs 2 miles west then 4 miles south, and then back home again via the shortest route. a. draw their routes on the coordinate plane above, use a straightedge for accuracy. b. create a proof that demonstrates that the two triangles formed by their routes are congruent. proof needs three pairs of congruent properties of the triangles followed by a triangle congruency statement. show if congruent by ASA, SAS, or SSS. Which of the following sentences is an example of dialogue that reveals a character's motive? She turned on him almost savagely. "I don't want your OA) pity, you know," she burst out. "You can keep that for someone else!" Mom smiled at me reassuringly. "The doctor thinks OB) Emily just got a touch too much sun. We'll get her cooled down and then let her rest." "When I came to this country, Mike, knowing no one not able to speak the language ... you helped me This If a bottle of oxygen with a pressure of 500 kPa with a volume of. 30 L at 290 K has a temperature change to 370 K and the volume changed to 1. 5 L because the bottle broke open and leaked into the bottles outer container, then what is the new Pressure of the oxygen? Remember the combined gas law equation. P1V1 / T1 = P2V2 / T2a. 128 kPab128 kPac0 kPad500 kPa Lp a guitar string of length 30 cm and stretched under a tension of 78 n has a certain fundamental frequency. how long would a pipe, open at both ends, need to be to play the same fundamental frequency? a 15-cm long piece of the guitar string has a mass of 0.4 g. the speed of sound in air is 340 m/s. Describe the content of the letter that had the greatest emotional effect on you. What was it about this letter that made you react respond the way you did emotionally, physically, pychologically. What is the best definition of elasticity in economics?O Elasticity of supply measures how the amount of a good changes when the producer hires more employees.O Elasticity of supply measures how the amount of a good changes when the producer uses new materials.O Elasticity of demand measures how the amount of a good changes when its price goes up or down.O Elasticity of demand measures how the amount of a good changes when its distribution expands.Mark this and returnSave and ExitNextSubmit If you had 3 victims and the first victim was on the ground unconscious and bleeding the second victim was in the grass unconscious and not breathing and the third was conscious and bleeding who would you treat first and how would you treat them Find the solution tox'=y-x+ty'=yif x(0)=9 and y(0)=4.x(t)=y(t)= A basic assumption underlying the definition of group think is that:. 3. 3. 8 Practice: Comparing the French and American Revolutions Pls, HELP!!Law of CosinesSolve for c. Round your final answer to the nearest tenth fill in missing letters french __ _r_m_e_ Diego selling raffle tickets for $1.75 per ticket complete the table to show how much she earned for 50 tickets 20 tickets and r tickets What did you find the least helpful in English class?!?!?!?!?!?!?!!!?? A statistician for a chain of department stores created the following stem-and-leaf plot showing the number of pairs of glasses at each of the stores: \left| \quad \begin{matrix} 0 \vphantom{\Large{0}} \\ 1 \vphantom{\Large{0}} \\ 2 \vphantom{\Large{0}} \\ 3 \vphantom{\Large{0}} \\ 4 \vphantom{\Large{0}} \\ \end{matrix} \quad \right| \quad \begin{matrix} 9& \vphantom{\Large{0}} \\ 3&6&6&8& \vphantom{\Large{0}} \\ 1&2&3&5&6&9& \vphantom{\Large{0}} \\ 0& \vphantom{\Large{0}} \\ 1&2&3&3&5&7& \vphantom{\Large{0}} \\ \end{matrix} 00 10 20 30 40 9 3 1 0 1 0 6 2 0 2 6 3 3 8 5 3 0 6 5 9 7 0 0 Key: 4\,|\,1=4141=414, vertical bar, 1, equals, 41 pairs of glasses What was the largest number of pairs of glasses at any one department store? Explain how social entrepreneurship can help resolve wickedproblems around the world that are connected to the United NationsSustainable Development Goals.