The equation representing the value of the stock, V(t), in dollars, t years after 1940 is V(t) = $1.25 * [tex]1.07^t[/tex].
Let V(0) be the value of the stock in 1940, which is given as $1.25. Then, the value of the stock after t years (t > 0) can be found by multiplying the initial value with the growth factor of 1.07 raised to the power of the number of years of growth. Thus, the equation representing the value of the stock, V(t), in dollars, t years after 1940 is:
V(t) = V(0) * [tex](1 + 0.07)^t[/tex]
Substituting the given value of V(0) = $1.25, we get:
V(t) = $1.25 * [tex](1 + 0.07)^t[/tex]
Simplifying this expression, we get:
V(t) = $1.25 * [tex]1.07^t[/tex]
Therefore, the equation representing the value of the stock, V(t), in dollars, t years after 1940 is V(t) = $1.25 * [tex]1.07^t[/tex].
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Raymond wants to know the costs of buying different numbers of songs for his mp3 player. The cost of each song is the same.
To determine the cost of buying different numbers of songs for his mp3 player, Raymond needs to know the cost of a single song and the total number of songs he wants to buy, as well as consider bulk purchasing options like buying an album.
Assuming the cost of a single song is $1, if Raymond wants to buy 10 songs, the cost would be 10 x $1 = $10. Similarly, if Raymond wants to buy 20 songs, the cost would be 20 x $1 = $20. In general, the cost of buying n songs would be n x $1.
If the cost of a single song is not $1, then Raymond would need to adjust his calculations accordingly. For example, if the cost of a single song is $0.99, then the cost of buying 10 songs would be 10 x $0.99 = $9.90, and the cost of buying 20 songs would be 20 x $0.99 = $19.80.
Raymond could also consider purchasing songs in bulk, such as by buying an album, which typically offers a discounted price compared to purchasing individual songs. In this case, the cost of buying different numbers of songs would depend on the number of songs in the album and the cost of the album.
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Complete Question:
Raymond wants to know the costs of buying different numbers of songs for his MP3 player. The cost of each song is the same.
• Let s represent the possible number of songs Raymond could buy.
• Let d represent the amount of money, in dollars, Raymond would need to buy the songs.
Fill in the table for all missing values of s and d.
Number of songs, s
Amount of money ($), d
2
2.58
5.16
7
11
21.93
Brooke bought a condominium for $413,600. She made a 9% down payment and financed the remaining amount using a 25-year fixed-rate mortgage at 5. 2%. The monthly payment is $2,244. Brooke will pay for one discount point, a 0. 75% origination fee, the brokerage fee, state documentary taxes on the deed and the mortgage, and the intangible tax. • Discount points equal 1% of the mortgage amount. Documentary stamp tax on deed is $0. 70 per $100 or portion thereof. • Documentary stamp tax on mortgage is $0. 35 per $100 or portion thereof. • Mortgage broker fee is $175 plus 5% of the mortgage amount. • Intangible tax is 0. 2% of the mortgage amount. What is the total amount of the principal, interest, down payment, and fees described for Brooke's condominium? (4 points) $743,687. 00 $807,569. 73 $481,369. 73 $740,969. 73
The total amount of the principal, interest, down payment, and fees described for Brooke's condominium is $1,154,091.59
Find out the total amount of the principal and interest down payment, and fees?The first step is to calculate the mortgage amount, which is the purchase price minus the down payment:
Mortgage amount = $413,600 - 9% of $413,600 = $376,576
Next, we need to calculate the total cost of the fees and charges:
Discount points = 1% of $376,576 = $3,766
Origination fee = 0.75% of $376,576 = $2,823.42
Documentary stamp tax on deed = $0.70 per $100 or portion thereof, so for $413,600 it would be:
$0.70 * ($413,600 / $100) = $2,895.20
Documentary stamp tax on mortgage = $0.35 per $100 or portion thereof, so for $376,576 it would be:
$0.35 * ($376,576 / $100) = $1,318.02
Brokerage fee = $175 + 5% of $376,576 = $19411.8
Intangible tax = 0.2% of $376,576 = $753.15
Now we can calculate the total cost of the principal and interest payments over the life of the mortgage. We'll use a mortgage calculator to do this, based on the mortgage amount, interest rate, and term:
Total mortgage payments = $2,244 * 12 months * 25 years = $673,200
Finally, we can add up all of these amounts to get the total cost of the principal, interest, down payment, and fees:
Total cost = Purchase price + Down payment + Mortgage payments + Discount points + Origination fee + Documentary stamp tax on deed + Documentary stamp tax on mortgage + Brokerage fee + Intangible tax
Total cost = $413,600 + $37,224 + $673,200 + $3,766 + $2,823.42 + $2,895.20 + $1,318.02 + $19,411.80 + $753.15
Total cost = $1,154,091.59
Therefore, we got a total cost of $1,154,091.59
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A right triangle with a height measuring
4.75 inches contains a hypotenuse
measuring 7.42 inches. What is the
measure of the area of the triangle to the
nearest tenth of a square inch?
please help me answer this (can give brainliest)
a) The graph of the given lines is as attached
b) The area of the enclosed triangle is: 8 square units
How to graph linear equations?The general form of expression of linear equations in slope intercept form is expressed as:
y = mx + c
where:
m is slope
c is y-intercept
We are given the equations as:
y = x + 5
y = 5
x = 4
The graph of these three linear equations is as shown in the attached file
2) The area of the given triangle enclosed by the three lines is gotten from the formula:
A = ¹/₂ * b * h
where:
A is area
b is base
h is height
Thus:
A = ¹/₂ * 4 * 4
A = 8 square units
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HELP
The following graph describes function 1, and the equation below it describes function 2. Determine which function has a greater maximum value, and provide the ordered pair.
Function 1
graph of function f of x equals negative x squared plus 8 multiplied by x minus 15
Function 2
f(x) = −x2 + 2x − 15
Function 1 has the larger maximum at (4, 1).
Function 1 has the larger maximum at (1, 4).
Function 2 has the larger maximum at (−14, 1).
Function 2 has the larger maximum at (1, −14).
The correct statement regarding the maximum values of the quadratic functions is given as follows:
Function 1 has the larger maximum at (4, 1).
How to obtain the maximum values?The standard definition of a quadratic function is given as follows:
y = ax² + bx + c.
The x-coordinate of the vertex of a quadratic function is given as follows:
x = -b/2a.
Hence, for each function, the x-coordinate of the vertex is given as follows:
Function 1: x = -8/-2 = 4.Function 2: x = -2/-2 = 1.Each function has a negative leading coefficient, hence the vertex represents a maximum value, and the y-coordinate is given as follows:
Function 1: f(4) = -(4)² + 8(4) - 15 = 1.Function 2: f(1) = -(1)² + 2(1) - 15 = -14.1 > -14, hence the correct statement is given as follows:
Function 1 has the larger maximum at (4, 1).
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I need help with this and I need it in 30 minutes please
The missing value in the frequency table from the electronics manufacturers would be 150.
How to find the frequency ?The class interval of the battery life is in fives which means that between 25 and 30, the shaded region on the histogram would represent 28 ≤ x < 30.
Looking at the y axis, we can tell that the class interval is 50 thanks to the 120 achieved by 15 ≤ x < 20. This then means that as 28 ≤ x < 30 is sitting on the third y interval, we know that it has a value of 150.
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2. Kyle submits a design for the contest, but his
explanation was misplaced. How can Figure A be
mapped onto Figure B? Can any other transformation be
used to map Figure A onto Figure B?
Note that in order to map A onto B, Kyle would have to dilate the given figure by a scale factor or 3.
What is a scale factor?The scale factor is a metric for figures with similar appearances but differing scales or measurements. Assume two circles appear similar but have different radii. The scale factor specifies how much larger or smaller a figure is than the original figure.
The original point of figure A which has 4 points are
(0,02)
(-1, 2)
(0, 1)
(1, 2)
Multiply all th e points by 3, and you get,
(0,02) x 3 = (0, -6) =
(-1, 2) x 3 = (-3, 6)
(0, 1) x 3 = (0, 3)
(1, 2) x3 = (3, 6)
Plotting the new values will give us the transformation (dilation) required. See the attached image.
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If the coordinates of two points are P (-2, 3) and Q (-3, 5), then find (abscissa of P) – (abscissa of Q)
The difference between the abscissa of P and Q is 1.
The abscissa of a point is its x-coordinate, or horizontal distance from the origin (usually measured along the x-axis).
In the given problem, the abscissa of point P is -2, which means it is located 2 units to the left of the origin on the x-axis. The abscissa of point Q is -3, which means it is located 3 units to the left of the origin on the x-axis.
To find the difference between the abscissas of P and Q, we simply subtract the abscissa of Q from the abscissa of P:
(abscissa of P) - (abscissa of Q) = (-2) - (-3) = -2 + 3 = 1
Therefore, the difference between the abscissas of P and Q is 1 unit.
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What is -3x - 2x -5 = -7
Step-by-step explanation:
-3x - 2x - 5 = -7
-5x - 5 = -7
-5x = -7 + 5
-5x = -2
x = 2/5
#CMIIWSolid metal support poles in the form of right cylinders are made out of metal with a
density of 6.3 g/cm³. This metal can be purchased for $0.30 per kilogram. Calculate
the cost of a utility pole with a diameter of 42 cm and a height of 740 cm. Round your
answer to the nearest cent. (Note: the diagram is not drawn to scale)
Answer:Therefore, the cost of a utility pole with a diameter of 42 cm and a height of 740 cm is approximately $1957.43.
Step-by-step explanation:First, we need to calculate the volume of the cylinder-shaped utility pole:
The radius of the pole is half the diameter, so it's 42 cm / 2 = 21 cm.
The height of the pole is 740 cm.
The volume of a cylinder is given by the formula V = πr²h, where π is approximately 3.14, r is the radius, and h is the height.
Substituting the values we have, we get V = 3.14 x 21² x 740 = 1,034,462.4 cm³.
Now we can calculate the mass of the pole:
The density of the metal is 6.3 g/cm³, which means that 1 cm³ of the metal has a mass of 6.3 g.
The volume of the pole is 1,034,462.4 cm³, so its mass is 6.3 x 1,034,462.4 = 6,524,772.72 g.
Next, we convert the mass to kilograms and calculate the cost:
1 kg is equal to 1000 g, so the mass of the pole in kilograms is 6,524,772.72 g / 1000 = 6524.77 kg.
The cost of the metal is $0.30 per kilogram, so the cost of the pole is 6524.77 kg x $0.30/kg = $1957.43.
What is the difference in minutes between the shortest collection.
The difference in the shortest collection times before and after the well installation is 20 minutes, calculated by subtracting the shortest time after installation (25 minutes) from before (45 minutes), as shown in the box and whiskers plot.
This is calculated by subtracting the shortest collection time after well installation (25 minutes) from the shortest collection time before well installation (45 minutes):
45 - 25 = 20 minutes.
This can be seen in the box and whiskers plot provided, where the lowest value for each distribution is denoted by the beginning of the whiskers.
So, the difference is before and after the well installation is 20 minutes.
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--The given question is incomplete, the complete question is given
" What is the difference in minutes between the shortest collection times before and after the well was installed"--
When angela and walker first started working for the supermarket, their weekly salaries totaled $550. now during the last 25 years walker has seen his weekly salary triple angela has seen her weekly salary become four times larger. together their weekly salaries now total $2000. write an algebraic equation for the problem. how much did they each make 25 years ago?
Angela made $350 per week 25 years ago and Walker made $200 per week 25 years ago.
Let's assign variables to represent Angela and Walker's salaries 25 years ago. Let A be Angela's salary 25 years ago and W be Walker's salary 25 years ago.
Using the information given in the problem, we can set up two equations:
A + W = 550 (their total salary 25 years ago)
4A + 3W = 2000 (their total current salary)
To solve for A and W, we can use substitution or elimination. Let's use substitution.
From the first equation, we can rearrange to solve for A:
A = 550 - W
Substitute this into the second equation:
4(550 - W) + 3W = 2000
Distribute the 4:
2200 - 4W + 3W = 2000
Simplify:
W = 800
Now that we know Walker's salary 25 years ago was $800, we can plug that into the first equation to solve for Angela's salary:
A + 800 = 550
A = -250
Uh oh, a negative salary doesn't make sense in this context. We made a mistake somewhere.
Let's go back to our original equations and try elimination instead:
A + W = 550
4A + 3W = 2000
Multiplying the first equation by 4, we get:
4A + 4W = 2200
Subtracting the second equation from this, we get:
W = 200
Now we can plug this into either equation to solve for A:
A + 200 = 550
A = 350
So Angela made $350 per week 25 years ago and Walker made $200 per week 25 years ago.
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The arable land area of a commune is about 81. 5 ha. This year's summer-autumn crop, this commune intends to use 57 of these areas to grow rice. Calculate the area of the commune's summer-autumn rice crop (use a handheld calculator and then round the result to the third decimal place)
The area of the commune's summer-autumn rice crop is approximately 570,041.902 square meters. ( rounded to the third decimal place)
To calculate the area of the commune's summer-autumn rice crop, we need to multiply the total area of the commune by the percentage of the area used to grow rice.
First, we need to convert the area from hectares to square meters since the percentage is based on the total land area in square meters.
1 hectare = 10,000 square meters
So, 81.5 hectares = 81.5 x 10,000 = 815,000 square meters
Next, we can calculate the area of the rice crop:
57/81.5 = 0.699386503
0.699386503 x 815,000 = 570,041.902 square meters
Rounding to the third decimal place, the area of the commune's summer-autumn rice crop is approximately 570,041.902 square meters.
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50 POINTS: In terms of the number of marked mountain goats, what is the relative frequency for male goats, female goats, adult goats, and baby goats? Write your answers as simplified fractions.
Male 71
Female 93
Adult 103
Baby 61
To calculate the relative frequency for each category, divide the number of marked mountain goats in each category by the total number of marked mountain goats.
Total marked mountain goats = 71 (male) + 93 (female) = 164
Total marked mountain goats = 103 (adult) + 61 (baby) = 164
Relative frequency for male goats = Male goats / Total marked mountain goats = 71/164
Relative frequency for female goats = Female goats / Total marked mountain goats = 93/164
Relative frequency for adult goats = Adult goats / Total marked mountain goats = 103/164
Relative frequency for baby goats = Baby goats / Total marked mountain goats = 61/164
Your answer:
Relative frequency for male goats = 71/164
Relative frequency for female goats = 93/164
Relative frequency for adult goats = 103/164
Relative frequency for baby goats = 61/164
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Airline passengers pay $439 to fly to california. for this price, customers may check 2 pieces of luggage. there is a fee of $25 for each additional piece of luggage a passenger wants to check. which function can be used to find the amount in dollars a passenger has to pay to fly with p pieces of luggage, where p >2
The function that can be used to find the amount in dollars a passenger has to pay to fly with `p` pieces of luggage, where `p > 2` is: `C(p) = 439 + 25(p-2)`
- The base cost of the flight is $439.
- Customers may check 2 pieces of luggage without any additional fee.
- For each additional piece of luggage beyond 2, there is a fee of $25.
- If `p` is the number of pieces of luggage checked, then the number of additional pieces of luggage beyond 2 is `p - 2`.
- Therefore, the additional fee for `p` pieces of luggage beyond the first 2 is `25(p - 2)`.
- Adding this fee to the base cost gives the total cost `C(p)`:
C(p) = base cost + additional fee for (p-2) pieces of luggage
= 439 + 25(p-2)
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The volume of a cone is 45.3 cubic cm. B=40 Find the height.
The height of the cone is 3.4cm
What is volume of cone?A cone is a shape formed by using a set of line segments or the lines which connects a common point, called the apex or vertex.
The volume of a cone is expressed as;
V = 1/3 πr²h
where πr² = base area. therefore the volume can be written as;
V = 1/3 base area × height
base area = 49cm²
height = 45.3 cm³
45 = 1/3 ×40h
135 = 40h
h = 135/40
h = 3.4cm
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andy can run 20 miles in 6 hours. how much miles can he run in 1 hour.
I see that this is a rate of change time of problem
If andy can run 20 miles in 6 hours, than our goal is to find out how much he runs in a hour
So, we just have to divide 20 by 6.
It's sorta hard to explain
Questions?
Anyhow, the answer is around 3.3 miles per hour
Answer:
3.33 miles
Step-by-step explanation:
We Know
Andy can run 20 miles in 6 hours.
How many miles can he run in 1 hour?
We Take
20 / 6 ≈ 3.33 miles
So, Andy can run about 3.33 miles in 1 hour.
Selena and Martin are waiting at the bus stop. The number lines show the number of minutes, t, Selena and Martin each expect to wait. A. Construct Arguments Who expects to wait longer? Justify your response with a mathematical explanation
Martin expects to wait longer than Selena. This can be Mathematically represented as: t > s
To determine who expects to wait longer, we need to compare the values on the number lines for Selena and Martin. Let's say Selena expects to wait for t minutes, and Martin expects to wait for s minutes. Looking at the number lines, we can see that Selena's expected wait time is closer to 10 minutes, while Martin's expected wait time is closer to 5 minutes. Therefore, we can say that Martin expects to wait longer than Selena.
Mathematically, we can represent this as:
t > s
This means that Selena's expected wait time is greater than Martin's expected wait time. Therefore, Martin expects to wait longer than Selena.
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In a nuclear disaster, there are multiple dangerous radioactive isotopes that can be detected. If 91.9% of a particular isotope emitted during a disaster was still present 6 years after the disaster, find the continuous compound rate of decay of this isotope
The decay of isotope at compound rate is approximately 0.0140.
To find the continuous compound rate of decay of this isotope, we can use the following formula:
Nₜ = N₀e^(-λᵗ)
Where:
Nₜ is the amount of the isotope present after time t (years),
N₀ is the initial amount of the isotope,
λ is the continuous compound rate of decay, and
t is the time in years.
In this case, 91.9% of the isotope is still present 6 years after the disaster,
so Nₜ = 0.919 * N₀, and t = 6 years.
We want to find λ, the continuous compound rate of decay.
We can rewrite the formula as follows:
0.919 * N₀ = N₀ * e^(-λ * 6)
Divide both sides by N₀:
0.919 = e^(-λ * 6)
Now, take the natural logarithm (ln) of both sides:
ln(0.919) = -λ * 6
Divide by -6 to solve for λ:
λ = ln(0.919) / (-6)
Calculate the value:
λ ≈ 0.0140
So, the continuous compound rate of decay of this particular radioactive isotope is approximately 0.0140.
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Jim is building a deck for his family to enjoy. Because of a big bay window that juts out next to the deck, he has to build an angled section for the steps going down to the yard. The section will be a parallelogram. Assuming that he cannot accurately prove that any two sides are parallel, how can he be assured that he has an actual parallelogram? Identify the theorem that he will use and how he will use it
By applying the Consecutive Angles Theorem, Jim can confirm that the angled section for the steps is indeed a parallelogram, even without accurately proving that any two sides are parallel.
Jim building a deck with an angled section in the shape of a parallelogram. To be assured that he has an actual parallelogram, Jim can use the Consecutive Angles Theorem.
This theorem states that if the consecutive angles of a quadrilateral are supplementary (add up to 180 degrees), then the quadrilateral is a parallelogram.
To use the Consecutive Angles Theorem, Jim should follow these steps:
1. Measure the four angles of the quadrilateral he has created for the angled section of the deck.
2. Check if the consecutive angles are supplementary (i.e., the sum of each pair of consecutive angles is equal to 180 degrees).
3. If all consecutive angles are supplementary, he can be assured that the quadrilateral is a parallelogram.
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MARKING BRAINLEIST IF CORRECT PLS ANSWER ASAP
Answer:
7.6 cm
Step-by-step explanation:
[tex]a^{2}[/tex] + [tex]b^{2}[/tex] = [tex]c^{2}[/tex]
[tex]a^{2}[/tex] + [tex]6.5^{2}[/tex] = [tex]10^{2}[/tex]
[tex]a^{2}[/tex] + 42.25 = 100 Subtract 42.25 from both sides
[tex]a^{2}[/tex] = 57.57
[tex]\sqrt{\a^{a} }[/tex] = [tex]\sqrt{57.57}[/tex]
a ≈ 7.6
Helping in the name of Jesus.
Answer:
7.6 cm
Step-by-step explanation:
a^2+ b^2=c^2
a^2+6.5^2=10^2
a^2+42.25=100 subtract 42.25 from both sides
a^2=57.57
a=√57.57
a=7.6 cm
Question 2 of 10
The graph of y=-2x + 10 is:
OA. a point that shows the y-intercept.
OB. a line that shows the set of all solutions to the equation.
OC. a line that shows only one solution to the equation.
D. a point that shows one solution to the equation.
Answer:
The graph of y = -2x + 10 is B) a line that shows the set of all solutions to the equation.------------------------------------------------
A linear equation is an equation of a straight line.
It describes the straight-line graph of a set of ordered pairs (x, y) that are solutions to the equation.
There are different forms of linear equations.
The slope-intercept form of a linear equation is y = mx + b.
The equation y = -2x + 10 is in slope-intercept form. Its graph is a line with slope -2 and y-intercept 10. It shows the set of all solutions to the equation.
As per description above, the correct answer choice is B, all the other options are false.
Chris bought 5 tacos and 2 burritos for $13. 25.
Brett bought 3 tacos and 2 burritos for $10. 75.
The price of one taco is $
The price of one burrito is $
If Chris bought 5 tacos and 2 burritos for $13. 25 and Brett bought 3 tacos and 2 burritos for $10. 75, the price of one taco is $1.25, and the price of one burrito is $3.50.
Let the price of one taco be T and the price of one burrito be B. We have the following equations:
5T + 2B = $13.25
3T + 2B = $10.75
To find the prices of the taco and the burrito, we can use the system of equations. First, subtract the second equation from the first equation:
(5T + 2B) - (3T + 2B) = $13.25 - $10.75
2T = $2.50
Now, divide by 2 to find the price of one taco:
T = $1.25
Next, plug the value of T back into one of the equations (let's use the second equation):
3($1.25) + 2B = $10.75
$3.75 + 2B = $10.75
Now, subtract $3.75 from both sides:
2B = $7.00
Finally, divide by 2 to find the price of one burrito:
B = $3.50
So, the price of one taco is $1.25, and the price of one burrito is $3.50.
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find the coordinates of p so that p partitions the segment of AB in the ratio 7 to 2 if A( -5,4) and B( -8,-2)
The coordinates of p so that p partitions the segment of AB in the ratio 7 to 2 if A( -5,4) and B( -8,-2) is P(x, y) = [-22/3, -2/3].
How to determine the coordinates of point P?In this scenario, line ratio would be used to determine the coordinates of the point P on the directed line segment that partitions the segment into a ratio of 1 to 4.
In Mathematics and Geometry, line ratio can be used to determine the coordinates of P and this is modeled by this mathematical equation:
P(x, y) = [(mx₂ + nx₁)/(m + n)], [(my₂ + ny₁)/(m + n)]
By substituting the given parameters into the formula for line ratio, we have;
P(x, y) = [(mx₂ + nx₁)/(m + n)], [(my₂ + ny₁)/(m + n)]
P(x, y) = [(7(-8) + 2(-5))/(7 + 2)], [(7(-2) + 2(4))/(7 + 2)]
P(x, y) = [(-56 - 10)/(9)], [(-14 + 8)/9]
P(x, y) = [-66/9], [(-6)/(9)]
P(x, y) = [-22/3, -2/3]
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how much soda do you need if you buy 20 bags of 4 bags of hot chips and 3 bottles of soda.
If each bag of hot chips requires around 500 ml of soda to drink with, then 46,000 ml of soda would be needed to buy 20 bags of 4 bags of hot chips and 3 bottles of soda.
To determine how much soda is needed if you buy 20 bags of 4 bags of hot chips and 3 bottles of soda, we need to know the volume of each bottle of soda.
Assuming each bottle of soda contains 2 liters of soda, the total volume of soda needed can be calculated as follows:
One bag of hot chips contains 4 bags of chips.So, 20 bags of hot chips contain 20 x 4 = 80 bags of chips.Each bag of chips may require around 500 ml of soda to drink with.Therefore, the total soda needed for all bags of chips is 80 x 500 ml = 40,000 ml.Three bottles of soda are also purchased, which contain a total of 3 x 2000 ml = 6000 ml.The total soda needed is the sum of the soda needed for the chips and the soda purchased, which is 40,000 ml + 6000 ml = 46,000 ml.To know more about volume, refer to the link below:
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If the square roots of a natural number from 1 to 200 are calculated the number of whole numbers will be
The number of whole numbers whose square roots of a natural number from 1 to 200 will be 14
The natural number of square roots from 1 to 200 are mentioned below
1² = 1,
2² = 4,
3² = 9,
4² = 16,
5² = 25,
6² = 36,
7² = 49,
8² = 64,
9² = 81,
10² = 100,
11² = 121,
12² = 144,
13² = 169,
14² = 196
The number of whole numbers = 14
Above 14 the square will be greater than 200
All the whole numbers are natural number except zero. zero is a whole number not a natural number.
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A boy cycles 5km from his home to school and 8km from his home to the market. The chief's camp is closer to the boys home than the market but further than the school. Write a compound inequality to show the distance from the boys home to the chief's camp.
A compound inequality to show the distance from the boys home to the chief's camp is 5 < d < 8
How to explain the inequalityThe distance from the boy's home to the school is 5km.
The distance from the boy's home to the market is 8km.
The chief's camp is closer to the boy's home than the market, but further than the school
The chief's camp is closer to the boy's home than the market, so the distance from the boy's home to the chief's camp is less than 8km.
Putting these together, we can write a compound inequality to show the possible distances d from the boy's home to the chief's camp:
distance from home to school < distance < home to maket
5 < d < 8
The inequality is 5 < d < 8.
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Let X = the score out of 3 points on a randomly selected quiz in a Prob
& Stat course. The table gives the probability distribution of X.
Value
0
1
2
3
Probability
0. 05
0. 15
0. 60
A) Find the missing value for P(X = 1) in the probability distribution.
B) P(X 2 2) =
C) P(X > 2) =
D) The probability of "At least 2" is equivalent to
A. The missing value for P(X = 1) is 0.20.
B. The value of P(X ≤ 2) is 0.85.
C. The value of P(X > 2) is 0.15.
D. The probability of "At least 2" is equivalent to P(X >= 2), which is 0.75.
In probability theory, a probability distribution is a function that assigns probabilities to each possible value of a random variable.
In this Problem, we have a probability distribution for the score on a quiz, with X being the random variable and the table providing the probability of each possible score. In this answer, we will use the given probability distribution to answer the questions posed.
A) Find the missing value for P(X = 1) in the probability distribution.
To find the missing value for P(X = 1), we need to use the fact that the sum of the probabilities for all possible values of X must be equal to 1. Therefore, we can set up an equation:
P(X = 0) + P(X = 1) + P(X = 2) + P(X = 3) = 1
Substituting in the given probabilities, we get:
0.05 + P(X = 1) + 0.60 + 0.15 = 1
Simplifying, we get:
P(X = 1) = 0.20
Therefore, the missing value for P(X = 1) is 0.20.
B) P(X ≤ 2) =
To find P(X ≤ 2), we need to add up the probabilities of X being less than or equal to 2. This is equivalent to:
P(X ≤ 2) = P(X = 0) + P(X = 1) + P(X = 2)
Substituting in the given probabilities, we get:
P(X ≤ 2) = 0.05 + 0.20 + 0.60 = 0.85
Therefore, P(X ≤ 2) is 0.85.
C) P(X > 2) =
To find P(X > 2), we need to add up the probabilities of X being greater than 2. This is equivalent to:
P(X > 2) = P(X = 3)
Substituting in the given probabilities, we get:
P(X > 2) = 0.15
Therefore, P(X > 2) is 0.15.
D) The probability of "At least 2" is equivalent to P(X >= 2)
To find the probability of "At least 2," we need to add up the probabilities of X being greater than or equal to 2. This is equivalent to:
P(X ≥ 2) = P(X = 2) + P(X = 3)
Substituting in the given probabilities, we get:
P(X ≥ 2) = 0.60 + 0.15 = 0.75
Therefore, the probability of "At least 2" is equivalent to P(X ≥ 2), which is 0.75.
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Engineers built an arch bridge across a river. The arch bridge
makes a parabola shape that has the equation
y=-0. 1(x – 5)2 + 12, where x and y are measured in
meters. If the bridge makes contact with both banks at a height
of 4 meters, how long is the distance between the two banks
of the river where the bridge is? Round your answer to the
nearest whole number.
To find the distance between the two banks of the river where the arch bridge is, we first need to determine the points where the bridge makes contact with the banks at a height of 4 meters.
We are given the parabola shape of the arch with the equation y = -0.1(x - 5)^2 + 12.
1. Set the height y equal to 4 meters:
4 = -0.1(x - 5)^2 + 12
2. Subtract 12 from both sides:
-8 = -0.1(x - 5)^2
3. Divide both sides by -0.1:
80 = (x - 5)^2
4. Take the square root of both sides:
sqrt(80) = x - 5
5. Now, we find the two x-values where the bridge contacts the banks:
x1 = sqrt(80) + 5
x2 = -sqrt(80) + 5
6. Calculate the distance between the two banks by subtracting x2 from x1:
Distance = x1 - x2 = (sqrt(80) + 5) - (-sqrt(80) + 5)
7. Simplify the expression:
Distance = 2 * sqrt(80)
8. Round your answer to the nearest whole number:
Distance ≈ 18 meters
The distance between the two banks of the river where the arch bridge is, is approximately 18 meters.
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Suppose that Uranus rotates on its axis once every 17. 2 hours. The equator lies on a circle with a radius of 15,881 miles. (a) Find the angular speed of a point on its equator in radians per day (24 hours). (b) Find the linear speed of a point on the equator in miles per day. Do not round any intermediate computations, and round your answer to the nearest whole number. (a) Angular speed: radians per day (b) Linear speed : miles per day
Rounding to the nearest whole number, the linear speed of a point on Uranus' equator is approximately 139,424 miles/day.
(a) To find the angular speed of a point on Uranus' equator, we need to convert the rotation period from hours to days and then calculate the angle rotated in one day.
In one day (24 hours), Uranus rotates:
24 hours ÷ 17.2 hours/rotation ≈ 1.3953 rotations
The angle rotated in one day is:
1.3953 rotations × 2π radians/rotation ≈ 8.7674 radians/day
So the angular speed of a point on Uranus' equator is approximately 8.7674 radians/day.
(b) To find the linear speed of a point on Uranus' equator, we can use the formula:
linear speed = radius × angular speed
where the radius is given as 15,881 miles and the angular speed is 8.7674 radians/day (from part (a)).
Substituting these values, we get:
linear speed = 15,881 miles × 8.7674 radians/day ≈ 139,424 miles/day
Rounding to the nearest whole number, the linear speed of a point on Uranus' equator is approximately 139,424 miles/day.
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