Answer:
A dilation always produces a similar figure. Similar figures have the same shape but different sizes.
In a dilation, each point of the original figure is transformed by multiplying its coordinates by a scale factor, which determines the change in size. However, the shape and proportions of the figure remain unchanged. Therefore, the figures obtained through dilation are similar, meaning they have the same shape but different sizes.
Peter creates a square pyramid
model for History class. The
base of the pyramid has an
area of 20 square inches. Each
triangle has an area of 10
square inches. If Peter wants to
cover the entire pyramid with
gold paper, how much paper
will he need?
Peter will need 60 square inches of gold paper to cover the entire pyramid.
To find the surface area of the pyramid, we need to add the area of the base to the area of the four triangles.
Area of the base = 20 square inches
Area of each triangle = 10 square inches
Total area of the four triangles = 4 x 10 = 40 square inches
Total surface area = Area of base + Total area of four triangles
= 20 + 40
= 60 square inches
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Solve the following equations by equating the coefficients
2x-y=3 ; 9x-3y=9
Solving the system of equations 2x-y=3 and 9x-3y=9 by equating the coefficients gives x=2 and y=1.
To solve the system of equations by equating coefficients, we first need to ensure that one of the variables has the same coefficient in both equations. In this case, we can multiply the first equation by 3 to get 6x-3y=9.
Now we can equate the coefficients of x in both equations, giving 9x-3y=9=6x-3y. Simplifying this equation, we get 3x=3, or x=1. Substituting this value of x into either equation gives y=2x-3=2(1)-3=-1. Therefore, the solution to the system of equations is x=2 and y=1.
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6. Quadrilateral ABCD is dilated with center C and a scale factor of 1/2.Draw A'B'C'D'.
Thus, the coordinates of Quadrilateral A'B'C'D' after the dilation with the scale factor of 1/2 are - A'(1.5, 2), B'(0.5, 5), C'(6, 7), D'(4.5, 1.4).
Explain about the dilation:In geometry, a dilation is a transformation that alters an object's size without altering its general shape.
If the dilation factor is greater than 1, the item grows in size. The size shrinks .if the factor is between 0 and 1, and such dilations are occasionally referred to as compressions.Dilation is a particular kind of transformation in geometry that modifies an object's size while maintaining its overall shape.
Given:
scale factor = 1/2
coordinates of Quadrilateral ABCD
A(3,4) , B(1,10) ,C(12,14), D(9,3)
Now, coordinates about the dilation with centre C:, multiply each coordinate with 1/2.
A'(3*1/2,4*1/2) --> A'(1.5, 2)
B'(1*1/2,10*1/2) ---> B'(0.5, 5)
C'(12*1/2,14*1/2), --> C'(6, 7)
D'(9*1/2,3*1/2) ---> D'(4.5, 1.4)
Thus, the coordinates of Quadrilateral A'B'C'D' after the dilation with the scale factor of 1/2 are - A'(1.5, 2), B'(0.5, 5), C'(6, 7), D'(4.5, 1.4).
Graph is attached.
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5+sin(3x)=4
solve for x on the unit circle where x is between 0 and 2pi
The solutions for x between 0 and 2π are: x = π/2, (5π)/6, and (11π)/6.
To solve the equation 5 + sin(3x) = 4 for x on the unit circle, where x is between 0 and 2π, follow these steps:
1. Subtract 5 from both sides: sin(3x) = -1
2. Determine the angle for which sin is -1: sin(3x) = sin(3π/2)
3. Since the sine function has a period of 2π, the general solution is: 3x = 3π/2 + 2πk, where k is an integer.
4. Divide both sides by 3: x = π/2 + (2πk)/3
Now, find the values of x between 0 and 2π by trying different integer values of k:
- If k = 0, x = π/2
- If k = 1, x = π/2 + 2π/3 = (5π)/6
- If k = 2, x = π/2 + 4π/3 = (11π)/6
Thus, the solutions for x between 0 and 2π are: x = π/2, (5π)/6, and (11π)/6.
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If cost price of a product is Rs 55 and it was sold at 20% loss, what was the loss price
The loss price of the product is Rs 11. This means that the seller sold the product for Rs 44, which is 20% less than its cost price of Rs 55, resulting in a loss of Rs 11.
When a product is sold at a loss, it means that it is sold for less than its cost price. In this case, the cost price of the product is Rs 55, and it was sold at a loss of 20%. This means that the selling price of the product is 80% of its cost price. To find out the selling price, we can multiply the cost price by 80% or 0.8.
Selling price = Cost price x (100% - Loss%)
Selling price = Rs 55 x (100% - 20%)
Selling price = Rs 55 x 80%
Selling price = Rs 44
So, the selling price of the product is Rs 44. To find out the loss price, we need to subtract the selling price from the cost price.
Loss price = Cost price - Selling price
Loss price = Rs 55 - Rs 44
Loss price = Rs 11
Therefore, the loss price of the product is Rs 11.
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A pond of fish starts with 200 fish. The pond can sustain 460 fish, 40% of the fish die each year while the number of births is 60% of the current population. – 3.04174E+07 fish are harvested from the pond each year. Write a differential equation that models the problem
The differential equation that models the problem is: dN/dt = 0.2*N(t) - 3.04174E+07.
Let's denote the current number of fish in the pond by N(t), where t is time in years.
The rate of change of N(t) is given by the difference between the number of births and deaths, minus the number of fish harvested from the pond:
dN/dt = (0.6N(t)) - (0.4N(t)) - (3.04174E+07)
The first term represents the number of births, which is 60% of the current population N(t). The second term represents the number of deaths, which is 40% of the current population N(t). The third term represents the number of fish harvested from the pond each year.
Therefore, the differential equation that models the problem is:
dN/dt = 0.2*N(t) - 3.04174E+07
Note that we have simplified the expression (0.6-0.4)N(t) to 0.2*N(t) for simplicity.
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Find
(Round your answer to the nearest hundredth)
The missing side length is 5√3 centimeters.
We can use the Pythagorean theorem to find the missing side length. The Pythagorean theorem states that in a right triangle, the sum of the squares of the lengths of the legs is equal to the square of the length of the hypotenuse. In equation form, this looks like:
a² + b² = c²
where a and b are the lengths of the legs, and c is the length of the hypotenuse.
To use this formula to solve for the missing side length, we can plug in the values we know:
5² + b² = 10²
We can simplify this equation by squaring 5 and 10:
25 + b² = 100
Next, we can isolate the variable (b) on one side of the equation by subtracting 25 from both sides:
b² = 75
Finally, we can solve for b by taking the square root of both sides:
b = √(75)
This simplifies to:
b = 5*√(3)
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Complete Question:
By using the Pythagoras theorem, Find the value of the Other side when the value of hypotenuse is 10 cm and the value of the side is 5 cm.
A movie studio surveyed married couples about the types of movies they prefer. In the survey, the husband and wife were each asked if they prefer action, comedy, or drama. The summary of the data the studio got after asking 225 couples
Suppose the movie studio will ask 150 more couples about their movie preference. How many of these 150 couples will have exactly one spouse prefer action movie?
Out of the 150 new couples, we can expect about:
45 * (150/240) = 28.125 couples where the husband prefers action but the wife does not.
30 * (150/240) = 18.75 couples where the wife prefers action but the husband does not.
What is probability?
Probability is a measure of the likelihood of an event occurring.
Based on the given data from the survey of 225 couples, we can construct a contingency table as follows:
Husband Wife Total
Action 45 30 75
Comedy 30 45 75
Drama 45 45 90
Total 120 120 240
From the contingency table, we can see that:
Out of 240 respondents, 75 (45 from husbands and 30 from wives) preferred action movies.
Out of 240 respondents, 60 (30 from husbands and 30 from wives) preferred comedy movies.
Out of 240 respondents, 90 (45 from husbands and 45 from wives) preferred drama movies.
To answer the question of how many of the 150 couples will have exactly one spouse who prefers action movie, we can use the information that:
Out of 240 respondents, 45 husbands preferred action movies but their wives did not.
Out of 240 respondents, 30 wives preferred action movies but their husbands did not.
Therefore, out of the 150 new couples, we can expect about:
45 * (150/240) = 28.125 couples where the husband prefers action but the wife does not.
30 * (150/240) = 18.75 couples where the wife prefers action but the husband does not.
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If 7 carpenters need to share 23 gallons of paint equally how many gallons of point will each carpenter use? between what two whole numbers does your answer lie?
Each carpenter will use 3.28 gallons of paint, which lies between the whole numbers 3 and 4.
To find the amount of paint each carpenter will use, we need to divide the total amount of paint (23 gallons) by the number of carpenters (7):
23 gallons ÷ 7 carpenters = 3.2857 gallons per carpenter
Since we cannot have a fraction of a gallon, we round this number to the nearest whole number to get:
Each carpenter will use 3 gallons of paint.
However, since 3.2857 lies between 3 and 4, we can say that each carpenter will use between 3 and 4 gallons of paint.
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Find the product. Assume that no denominator has a value of 0.
64e^2/5e • 3e/8e
Answer:
12.8
Step-by-step explanation:
First, we can simplify each fraction separately:
64e^2/5e = 64/5e^(1-1) = 64/5
3e/8e = 3/8
Now we can multiply:
(64/5) * (3/8) = 12.8
Therefore, the product is 12.8.
CAN SOMEONE SHOW ME STEP BY STEP ON HOW TO DO THIS
A city just opened a new playground for children in the community. An image of the land that the playground is on is shown.
A polygon with a horizontal top side labeled 45 yards. The left vertical side is 20 yards. There is a dashed vertical line segment drawn from the right vertex of the top to the bottom right vertex. There is a dashed horizontal line from the bottom left vertex to the dashed vertical, leaving the length from that intersection to the bottom right vertex as 10 yards. There is another dashed horizontal line that comes from the vertex on the right that intersects the vertical dashed line, and it is labeled 12 yards.
What is the area of the playground?
900 square yards
855 square yards
1,710 square yards
In 2016, Dave bought a new car for $15,500. The current value of the car is $8,400. At what annual rate did the car depreciate in value? Express your answer as a percent (round to two digits between decimal and percent sign such as **. **%). Use the formula A(t)=P(1±r)t
To find the annual rate at which the car depreciated, we need to use the formula for exponential decay:
A(t) = P(1 - r)^t
where A(t) is the current value of the car after t years, P is the initial value of the car, and r is the annual rate of depreciation.
We know that P = $15,500 and A(t) = $8,400, so we can plug in these values to solve for r:
$8,400 = $15,500(1 - r)^t
Divide both sides by $15,500:
0.54 = (1 - r)^t
Take the logarithm of both sides:
log(0.54) = t*log(1 - r)
Solve for r:
log(0.54)/t = log(1 - r)
1 - r = 10^(log(0.54)/t)
r = 1 - 10^(log(0.54)/t)
Plugging in t = 7 (since the car has depreciated for 7 years), we get:
r = 1 - 10^(log(0.54)/7) ≈ 9.35%
Therefore, the car depreciated at an annual rate of approximately 9.35%.
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Which of the following combinations of side lengths would NOT form a triangle with vertices X, Y, and Z?
A.
XY = 7 mm , YZ = 14 mm , XZ = 25 mm
B.
XY = 11 mm , YZ = 18 mm , XZ = 21 mm
C.
XY = 11 mm , YZ = 14 mm , XZ = 21 mm
D.
XY = 7 mm , YZ = 14 mm , XZ = 17 mm
The combination of side lengths that would not form a triangle is C.XY = 11 mm, YZ = 14 mm, XZ = 21 mm.
We shall use the triangle inequality theorem to determine if a set of side lengths can form a triangle.
What is the triangle inequality theorem?The triangle inequality theorem says that the sum of the lengths of any two sides of a triangle must be greater than the length of the third side.
We shall calculate each of the options:
For option A:
XY + YZ = 7 mm + 14 mm = 21 mm which is < XZ = 25 mm.
Therefore, option A does form a triangle.
For option B:
XY + YZ = 11 mm + 18 mm = 29 mm, which is > XZ = 21 mm.
YZ + XZ = 18 mm + 21 mm = 39 mm, which is > XY = 11 mm.
XY + XZ = 11 mm + 21 mm = 32 mm, which is > YZ = 18 mm.
Therefore, option B does form a triangle.
For option C:
XY + YZ = 11 mm + 14 mm = 25 mm, and is > XZ = 21 mm.
Therefore, option C does not form a triangle.
For option D:
XY + YZ = 7 mm + 14 mm = 21 mm, which is > XZ = 17 mm.
YZ + XZ = 14 mm + 17 mm = 31 mm, which is > XY = 7 mm.
XY + XZ = 7 mm + 17 mm = 24 mm, which is > YZ = 14 mm.
Therefore, option D does form a triangle.
Therefore, the combination of side lengths that would not form a triangle is XY = 11 mm, YZ = 14 mm, XZ = 21 mm.
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This graph represents the equation y=(x-5)^2-1 .
How many ordered pairs (x, y) for 3 < x < 7 satisfy this equation?
There are 3 ordered pairs (x, y) that satisfy the equation y=(x-5)^2-1.
To find the ordered pairs (x, y) for 3 < x < 7 that satisfy the equation y=(x-5)^2-1, follow these steps:
Step 1: Set the range of x values: 3 < x < 7
Step 2: Plug in each whole number value of x within the given range (4, 5, and 6) into the equation and calculate the corresponding y values.
For x = 4:
y = (4 - 5)^2 - 1
y = (-1)^2 - 1
y = 0
For x = 5:
y = (5 - 5)^2 - 1
y = (0)^2 - 1
y = -1
For x = 6:
y = (6 - 5)^2 - 1
y = (1)^2 - 1
y = 0
Step 3: Write the ordered pairs (x, y) based on the calculated y values.
For x = 4, the ordered pair is (4, 0)
For x = 5, the ordered pair is (5, -1)
For x = 6, the ordered pair is (6, 0)
In the given range, there are 3 ordered pairs (x, y) that satisfy the equation y=(x-5)^2-1.
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11. The volume of a cuboid with a square base is given 5 by (2x¹ + xy-2y) m². 5 (i) Factorise the expression 2x² + xy-2y². 1 (ii) The cuboid has a height of m. Given that the length of each side of the base can be expressed as (px - qy) m or (qx + py) m, using your answer from part (i), state the value of p and of q. (iii) Hence, express x in terms of y.
Find the volume of the cone with a height and radius both of 7.
The volume of the cone with a height and radius both of 7 units is 359.24 cubic units.
How to calculate the volume of a cone?In Mathematics and Geometry, the volume of a cone can be determined by using this formula:
V = 1/3 × πr²h
Where:
V represent the volume of a cone.h represents the height.r represents the radius.By substituting the given parameters into the formula for the volume of a cone, we have the following;
Volume of cone, V = 1/3 × 3.142 × 7² × 7
Volume of cone, V = 1/3 × 3.142 × 49 × 7
Volume of cone, V = 359.24 cubic units.
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Answer:
343/3
Proof of answer is in the image, please give brainliest
Determine the distance between the points (−3, −6) and (5, 0).
[tex]~~~~~~~~~~~~\textit{distance between 2 points} \\\\ (\stackrel{x_1}{-3}~,~\stackrel{y_1}{-6})\qquad (\stackrel{x_2}{5}~,~\stackrel{y_2}{0})\qquad \qquad d = \sqrt{( x_2- x_1)^2 + ( y_2- y_1)^2} \\\\\\ d=\sqrt{(~~5 - (-3)~~)^2 + (~~0 - (-6)~~)^2} \implies d=\sqrt{(5 +3)^2 + (0 +6)^2} \\\\\\ d=\sqrt{( 8 )^2 + ( 6 )^2} \implies d=\sqrt{ 64 + 36 } \implies d=\sqrt{ 100 }\implies d=10[/tex]
A toy tugboat is launched from the side of a pond and travels North at 5cm/s. At the same moment, a toy sail ship from a point 8sqrt(2) m. Northeast of the tugboat and travels West at 7 cm/s. How closely do the two toys approach each other?\
The toys approach each other at the distance of 630 cm.
To solve the problem, we can use the Pythagorean theorem.
Let the distance between the tugboat and the sail ship be d, and
let t be the time in seconds since they started moving.
Then we have:
Distance traveled by the tugboat (in cm) = 5t
Distance traveled by the sail ship (in cm) = 7t/sqrt(2)
Using the Pythagorean theorem, we have:
d² = (5t)² + (7t/(\sqrt(2)))²
d² = 25t² + 24.5t²
d² = 49.5t²
d = \sqrt(49.5)t
To find how closely the two toys approach each other, we need to find the minimum value of d.
This occurs when t is maximized, which happens when the toys are closest to each other.
The sail ship travels a distance of 8\sqrt(2) meters in the Northeast direction, which is equivalent to 800\sqrt(2) cm. Therefore, the time taken for the sail ship to travel this distance is:
t = (800\sqrt(2) cm) / (7 cm/(\sqrt(2))) = 200\sqrt(2) seconds
Substituting this value of t in the equation for d, we get:
d = \sqrt(49.5)(200\sqrt(2)) = 630 cm (corrected)
Therefore, the minimum distance between the two toys is 630 cm.
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Allison is cleaning the windows on her house. In order to reach a window on the second floor, she needs to place her 20-foot ladder so that he top of the ladder rests against the house at a point that is 16 feet rom the ground. How far from the house should she place the base of her ladder?
The base of her ladder should be 12 feet from the house.
Pythagorean theorem.A Pythagorean theorem is a useful theorem which can be applied so as to determine the length of the missing side of a right angled triangle. It states that:
/Hyp/^2 = /Adj/^2 + /Opp/^2
So that from the information given in the question, let the distance from the base of her ladder and the house be represented by x;
/Hyp/^2 = /Adj/^2 + /Opp/^2
20^2 = x ^2 + 16^2
400 = x^2 + 256
x^2 = 400 - 256
= 144
x = 144^1/2
= 12
x = 12 feet
Thus, Allison should place the base of her ladder 12 feet to the house.
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MATH HELPPP ASAPP !! NEEDA PASS BY 8 AM TOMORROW
The lateral surface area of the rectangular prism is given as follows:
L = 60 cm².
How to calculate the lateral surface area?The lateral surface area of a rectangular prism of length l, width w and height h is given by the equation presented as follows:
L = 2 ( l + w ) h
The dimensions for this problem are given as follows:
l = 3 cm, w = 2 cm and h = 6 cm.
Hence the lateral surface area of the rectangular prism is given as follows:
L = 2 x (2 + 3) x 6
L = 60 cm².
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the box-and-whisker plot shows the number of pigeons spotted by visitors at the park during the last weekend. the horizontal axis ranges from 0 to 20 in increments of 1. a horizontal line segment, or whisker, begins at 1 and ends on the left vertical side of the rectangle at 8. a vertical line segment passes through the rectangle at 10. the right vertical side of the rectangle is at 11. a second horizontal line segment, or whisker, begins on the right vertical side of the rectangle and ends at 13. what is the range of the data?
The interquartile range (IQR) is the difference between the third quartile (Q3) and the first quartile (Q1) of the data. From the box-and-whisker plot given, the IQR is 12.
The box-and-whisker plot provides us with the following information:
The minimum value is 1 (the left end of the left whisker)The first quartile (Q1) is 8 (the end of the left whisker)The median (Q2) is 10 (the middle of the box)The third quartile (Q3) is 11 (the end of the right whisker)The maximum value is 13 (the right end of the right whisker)Therefore, the range of the data is the difference between the maximum and minimum values:
Range = maximum value - minimum value = 13 - 1 = 12
So, the range of the data is 12.
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Full Question: The box-and-whisker plot shows the number of pigeons spotted by visitors at the park during the last weekend. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 What is the interquartile range of the data? Provide your answer below:
Image attached
Simplify each of the following and leave answer in standard form to 3 decimal places.
(3. 05 x 10 ^ -7) (8. 67×10 ^ 4)
The simplified expression [tex](3.05 * 10^-7) (8.67 * 10^4)[/tex] in standard form to 3 decimal places is approximately 0.026
To simplify the expression[tex](3.05 * 10^-7) (8.67 * 10^4)[/tex] and provide the answer in standard form to 3 decimal places.
Step 1: Multiply the coefficients (3.05 and 8.67).
3.05 * 8.67 = 26.4445
Step 2: Use the properties of exponents to multiply the powers of 10.
[tex]10^{-7} * 10^4 = 10^{(-7+4)} = 10^-3[/tex]
Step 3: Multiply the results from Step 1 and Step 2.
[tex]26.4445 * 10^-3 = 0.0264445[/tex]
Step 4: Round the result to 3 decimal places.
0.0264445 ≈ 0.026
So, the simplified expression (3.05 x 10^-7) (8.67 x 10^4) in standard form to 3 decimal places is approximately 0.026.
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anyone know how to answer this?
The equation of the line is P = 2(1.0048)ᵗ and the population in 30 years is 2.31
Writing the equation of the lineThe equation is represented as
y = abᵗ
Where
a = y when t = 0
The points on the line are
(0, 2) and (20, 2.2)
This means that
a = 2
So, we have
y = 2bᵗ
Using the points, we have
2b²⁰ = 2.2
b²⁰ = 1.1
So, we have
b = 1.0048
This means that the equation is
P = 2(1.0048)ᵗ
The values of (a) and (b) & their interpretationsAbove, we have
a = 2
So, the meaning of the interpretation is that the initial population of the endangered colony is 2
Also, we have
b = 1.0048
So, the meaning of the interpretation is that the endangered colony increases by a factor of 1.0048 every year
Finding the population in 30 yearsRecall that
P = 2(1.0048)ᵗ
Here, we have
t = 30
So, the equation becomes
P = 2(1.0048)³⁰
Evaluate
P = 2.31
Hence, the population in 30 years is 2.31
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Given △ABC where AC = 7 cm, BC = 7 cm, and AB = 7 cm, then the ∠B=?
The measure of angle B is 60 degrees. The given triangle ABC is an isosceles triangle since two sides, AC and BC, are equal in length to 7 cm.
Therefore, the angle opposite the base (AB) will be equal in measure.
To find the measure of angle B, we need to use the cosine rule, which relates the length of sides of a triangle to the cosine of the angle opposite the side.
According to the cosine rule, cos(B) = ([tex]a^{2}[/tex] + [tex]c^{2}[/tex] - [tex]b^{2}[/tex]/(2ac). Substituting the values, we get cos(B) = ([tex]7^{2}[/tex] + [tex]7^{2}[/tex] - [tex]7^{2}[/tex])/(2x7x7), cos(B) = 1/2, B = [tex]cos^{-1}[/tex](1/2), B = 60°
Therefore, the measure of angle B is 60 degrees.
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Which of these variables is your dependent variable?
How many jumps I can do
Which one is the independent variable?
How long I am jumping (2 minutes)
Write a sentence that describes the relationship between the dependent variable and the independent variable. (Hint: Ratio language can help. )
In this scenario, the dependent variable is "how many jumps I can do," while the independent variable is "how long I am jumping (2 minutes)."
The relationship between these variables can be described as follows: The number of jumps completed depends on the duration of time spent jumping, with a specific focus on a 2-minute interval.
When we say the dependent variable is "how many jumps I can do," it means that the number of jumps completed is determined by or depends on the independent variable, which is the duration of time spent jumping.
This suggests that as the duration of time increases or decreases, it will likely have an impact on the number of jumps performed.
In this particular case, you have specified a 2-minute interval as the focus. It suggests that you are examining the relationship between the number of jumps completed and the specific duration of 2 minutes.
This implies that you are interested in understanding how the number of jumps varies within this fixed time frame.
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The value V of a classic car
appreciates exponentially and is
represented by V = 32,000(1.18)t
,
where t is the number of years
since 2020.
The rate of appreciation is
The rate of appreciation of the classic car is 18% per year.
Define exponentAn exponent is a mathematical operation that indicates how many times a number or expression is multiplied by itself. It is represented by a superscript number that is written to the right and above the base number or expression. The exponent tells us how many times the base is multiplied by itself.
The value V of the classic car appreciates exponentially, and it is represented by the formula:
V = 32,000[tex]1.18^{2}[/tex]
The term [tex]1.18^{t}[/tex] represents the factor by which the value of the car increases each year. If we calculate this factor for one year (t=1), we get:
(1.18)¹= 1.18
This means that the value of the car increases by 18% in the first year. Similarly, if we calculate the factor for two years (t=2), we get:
(1.18)² = 1.39
This means that the value of the car increases by 39% in the first two years (18% in the first year and an additional 21% in the second year).
Therefore, the rate of appreciation of the classic car is 18% per year.
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what is the answer??
The equation that could represent each of the graphed polynomial function include the following:
First graph: y = x(x + 2)(x - 3)
Second graph: y = x⁴ - 5x² + 4
What is a polynomial graph?In Mathematics and Geometry, a polynomial graph simply refers to a type of graph that touches the x-axis at zeros, roots, solutions, x-intercepts, and factors with even multiplicities.
Generally speaking, the zero of a polynomial function simply refers to a point where it crosses or cuts the x-axis of a graph.
By critically observing the graph of the polynomial function shown in the image attached above, we can logically deduce that the first graph has a zero of multiplicity 1 at x = 2 and zero of multiplicity 1 at x = -3.
Similarly, we can logically deduce that the second graph has a zero of multiplicity 2 at x = 2 and zero of multiplicity 2 at x = -2.
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A linear function that represents the number of animals adopted from the shelter is compared to a different linear function that represents the hours volunteers work at the shelter each week. describe the key features of the functions that are needed to determine if these lines intersect.
please help i don't understand >.
To determine if two lines intersect, compare their slopes and y-intercepts, and solve their equations simultaneously.
How to determine if two lines intersect?To determine if two lines intersect, you need to compare their key features, such as their slope and y-intercept.
If the slopes of the two lines are different, then they will intersect at some point.
If the slopes are the same, then the lines may or may not intersect, depending on whether or not their y-intercepts are also the same.
To find the point of intersection, you can set the two linear functions equal to each other and solve for the variable. The resulting value will give you the x-coordinate of the intersection point, which can then be substituted back into either equation to find the corresponding y-coordinate.
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Without using a protractor, estimate the measure of the angle below. Explain how you made your estimate.
Answer:
The approximated measure of this angle is 90°, so this may be a right angle.
Place a sheet of paper so that the corner corresponds to the angle. You will notice that the lines will closely align with the edges of the paper.
A triangle has sides of length 12, 17, and 22. of the measures of the three interior angles, which is the greatest of the three
The greatest of the three interior angles in the triangle is approximately 71.2 degrees.
To find out which of the three interior angles in the triangle is the greatest, we can use the fact that the largest angle is opposite the longest side. So, in this case, the longest side is 22, which means that the angle opposite it must be the greatest. We can use the Law of Cosines to find the measure of this angle:
c^2 = a^2 + b^2 - 2ab*cos(C)
where c is the length of the side opposite angle C, and a and b are the lengths of the other two sides. Plugging in the values we know, we get:
22^2 = 12^2 + 17^2 - 2*12*17*cos(C)
484 = 144 + 289 - 408*cos(C)
51 = 408*cos(C)
cos(C) = 51/408
C = cos^-1(51/408)
C ≈ 71.2 degrees
So the greatest of the three interior angles in the triangle is approximately 71.2 degrees.
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