Let f (x, y) be a continuous function of x and y, which is independent of x, that is, f (x, y) = g(y) for some one-variable function g. Suppose that, .3 10 | g(x)dx = 10 J g(x)dx = 1 and Find f dA, where R is the rectangle 0sx<3,0sys 10 R

Answers

Answer 1

A continuous function is a function where small changes in the input result in small changes in the output, with no abrupt jumps or breaks in the function's graph.

Since f(x,y) is independent of x, we can write it as f(x,y) = g(y). We are given that the integral of g(x) from 0.3 to 10 is 1, so we can write:

∫0.3^10 g(x) dx = 1

Using this information, we can find g(y) by integrating g(x) with respect to x:

g(y) = ∫0.3^10 g(x) dx / ∫0^10 dx
g(y) = 1 / 9.7

Now, we can find f(x,y) by substituting g(y) into f(x,y) = g(y):

f(x,y) = g(y) = 1 / 9.7

We need to find the integral of f(x,y) over the rectangle R, which is:

∫0^3 ∫0^10 f(x,y) dy dx
∫0^3 ∫0^10 1 / 9.7 dy dx
(1 / 9.7) ∫0^3 ∫0^10 dy dx
(1 / 9.7) * 3 * 10
= 3.0928

Therefore, the value of the integral of f(x,y) over the rectangle R is 3.0928.

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Related Questions

T/F: a dss can do a follow-up assessment on how well a solution is performing.

Answers

True, a decision support system (DSS) can conduct a follow-up assessment on how well a solution is performing. This is because a DSS is designed to analyze and evaluate data, as well as provide ongoing feedback on the effectiveness of decisions made using the system.

By monitoring key performance indicators and other metrics, a DSS can provide valuable insights into the success of a particular solution or course of action, allowing users to make more informed decisions going forward.


True: A Decision Support System (DSS) can do a follow-up assessment on how well a solution is performing. This allows for continuous improvement and optimization of the implemented solution based on the collected data and feedback.

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the vector equation ,0

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Hello! It seems like your question might be incomplete or missing some details. However, I'll provide you with a brief explanation of a vector equation, and if you need more help, please provide additional information.

A vector equation is an expression that describes a vector in terms of its components, magnitude, and/or direction. It is often used to represent , such as displacement, velocity, and force, which have both magnitude and direction. In general, a vector equation can be written as:

Vector V = ai + bj + ck

Here, V is the vector, and a, b, and c are its components along the x, y, and z axes, respectively. i, j, and k are the unit vectors along the x, y, and z axes.

If you need help with a specific vector equation or problem, please provide more details, and I'll be happy to assist you.

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there are two samples, a and b, ere tested by rockwell hardness test. sample a is tested in b scale, shows hardness value 59 hrb. sample b is tested in f scale, shows hardness value 90.5 hrf. which sample is harder? (use your conversion chart if it is necessary)

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sample B is harder than sample A.To compare the hardness values of samples A and B, we need to convert them to the same scale.

Rockwell hardness scales are designated by a letter, such as B or F, and each scale has a different range and units of measurement.

To convert sample A's hardness value from the B scale to the F scale, we can use the conversion chart. According to the chart, the conversion formula from B to F scale is HRF = (HRB x 1.000) + 18. Therefore, the converted hardness value for sample A is:

HRF = (59 x 1.000) + 18 = 77 HRF

Now we can compare the hardness values of both samples, and we see that sample B has a higher hardness value of 90.5 HRF, compared to sample A's value of 77 HRF. Therefore, we can conclude that sample B is harder than sample A.

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For the given cost function C(x) = 1900 + 390x + 1.5x2 and the demand function p(x) = 1170 (i.e. the price p at the given volume of demand x). Find the production level that will maximaze the profit P(x)=r(x)-c(x), where r(x) is the revenue function.

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The production level that will maximize the profit P(x)=r(x)-c(x) [where r(x) is the revenue function] is x = 260 units.

For the given cost function C(x) = 1900 + 390x + 1.5x^2 and the demand function p(x) = 1170, we will find the production level that will maximize the profit P(x) = r(x) - c(x), where r(x) is the revenue function.

Determine the revenue function r(x) by multiplying the demand function p(x) by x (i.e., the quantity sold):
r(x) = p(x) * x = 1170 * x

Calculate the profit function P(x) by subtracting the cost function C(x) from the revenue function r(x):
P(x) = r(x) - C(x) = 1170x - (1900 + 390x + 1.5x^2)

Simplify the profit function:
P(x) = 780x - 1900 - 1.5x^2

Step 4: To find the production level that maximizes the profit, we need to find the critical points of the profit function by taking its first derivative and setting it to zero:
P'(x) = d(P(x))/dx = 780 - 3x

Now set P'(x) to 0 and solve for x:
780 - 3x = 0
3x = 780
x = 260

The production level that will maximize the profit is x = 260 units.

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liam is buying tickets for a group of families going to an amusement park. he wants to have at least 20 tickets. each adult ticket costs $15.75 and each child ticket costs $13. liam wants to spend no more than $250. which system of inequalities can liam use to find the number of tickets he can buy?

Answers

Inequalities ensure that Liam buys enough tickets (at least 20), and also that he stays within his budget (spends no more than $250).

Let's use the variables "a" and "c" to represent the number of adult and child tickets Liam buys, respectively. Then the total number of tickets he buys is a + c, and the total cost of the tickets is 15.75a + 13c.

To find the system of inequalities, we need to use the given information:

Liam wants to have at least 20 tickets: a + c ≥ 20

Each adult ticket costs $15.75 and each child ticket costs [tex]$13: 15.75a[/tex] + 13c ≤ 250 (since Liam wants to spend no more than [tex]$250)[/tex]

So the system of inequalities is:

a + c ≥ 20

15.75a + 13c ≤ 250

These inequalities ensure that Liam buys enough tickets (at least 20), and also that he stays within his budget (spends no more than [tex]$250).[/tex]

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A student organization holds meetings every week, with one chosen leader and two assistants to run the meeting efficiently. If there are 14 weeks in a semester, how many students must be in the organization to guarantee that they can have a different set of leaders/assistants at every meeting?

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To guarantee a different set of leaders/assistants at every meeting, the organization would need at least 45 students.

To see why, consider the first meeting. There are three students chosen to lead/assist, leaving (total number of students - 3) students who did not lead/assist.

For the second meeting, we need to choose three different students from the remaining pool of (total number of students - 3) students. This can be done in (total number of students - 3) choose 3 ways, which is equal to:

(total number of students - 3)! / [3!(total number of students - 6)!]

For there to be a different set of leaders/assistants at every meeting, we need this number to be greater than or equal to 14 (the number of meetings in a semester). So we have:

(total number of students - 3)! / [3!(total number of students - 6)!] >= 14

Simplifying this inequality and solving for total number of students, we get:

(total number of students) * (total number of students - 1) * (total number of students - 2) >= 126

Since we want the smallest possible value for total number of students, we can start by guessing that it is around 10. If we plug in total number of students = 10, we get:

10 * 9 * 8 = 720

This is greater than 126, so we know that the organization needs at least 10 students. Trying total number of students = 11 gives:

11 * 10 * 9 = 990

This is also greater than 126, so we know that the organization needs at least 11 students. Continuing this way, we find that the smallest integer value of total number of students that satisfies the inequality is 45.

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The student took these notes from reliable sources:
- Blood vessels - a small person can crawl through them.
.
• Eye-six times larger than the human eye
• Eye-size of a grapefruit
• Scientists have not determined if the blue whale will continue to grow larger
• Tail is split into two parts called flukes. Fluke length of two canoes
The ocean is home to a giant, the blue whale. This creature is astonishingly big. To say that the blue whale is over 100 feet long and weighs 150
tons and is bigger than the largest dinosaur that ever lived is not sufficient. A good way to understand the size of this magnificent mammal is to
examine its size compared to common objects and the size of its body parts.
.
Tongue-large enough for 50 people to stand on
Tongue the size of an elephant
• Heart-size of a small car
• Heart weight- a ton - 2000pounds
• 100 people can fit in blue whale's mouth
can grow up to 100 feet /size of two city buses/ longer than an NBA basketball court
Using information from the student's notes, write one or two paragraphs developing the idea in the last sentence of the introduction.
.

Answers

Answer:

A strategy to protect whales can limit greenhouse gases and global warming. When it comes to saving the planet, one whale is worth thousands of trees.

Step-by-step explanation:

(1 point) (a) find a vector parametric equation for the ellipse that lies on the plane 5x 4y z=−9 and inside the cylinder x2 y2=16.

Answers

the vector parametric equation for the ellipse is:

r(u) = (4 + sqrt(17)*cos(u), -9/4 + 4/sqrt(17)*sin(u), -5(4 + sqrt(17)*cos(u)) + 4(-9/4 + 4/sqrt(17)sin(u)) - 9), where u ranges from 0 to 2pi.

To find a vector parametric equation for the ellipse that lies on the plane 5x - 4y + z = -9 and inside the cylinder x^2 + y^2 = 16, we can use the following steps:

Solve the plane equation for z: z = -5x + 4y - 9.

Substitute this expression for z into the cylinder equation: x^2 + y^2 = 16 - (-5x + 4y - 9)^2.

Simplify this equation to get it into standard form for an ellipse: 41x^2 + 16y^2 - 40xy - 362x + 288y - 360 = 0.

Find the center and axes lengths of the ellipse using the matrix method for conic sections. The center is at the point (x0, y0) = (4, -9/4), and the axes lengths are a = sqrt(17) and b = 4/sqrt(17).

Parameterize the ellipse using the center and axes lengths: r(u) = (x0 + acos(u), y0 + bsin(u)), where u is a parameter that ranges from 0 to 2*pi.

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let p(x, y) be the terminal point on the unit circle determined by t. then sin(t) =

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We can use the parametric equation of the unit circle to find the values of sin(t) and cos(t) for a given terminal point (x, y). The parametric equation of the unit circle is given by:

x = cos(t)

y = sin(t)

Since the terminal point (x, y) is on the unit circle, we know that x^2 + y^2 = 1. Substituting the expressions for x and y from the parametric equation, we get:

cos^2(t) + sin^2(t) = 1

Simplifying this equation, we get:

sin^2(t) = 1 - cos^2(t)

Taking the square root of both sides, we get:

sin(t) = ±sqrt(1 - cos^2(t))

Since the unit circle is defined to have radius 1, we know that -1 ≤ cos(t) ≤ 1, and therefore 0 ≤ cos^2(t) ≤ 1. This means that 0 ≤ 1 - cos^2(t) ≤ 1, and therefore 0 ≤ sqrt(1 - cos^2(t)) ≤ 1.

Since we are given that the terminal point (x, y) is on the unit circle, we know that x^2 + y^2 = 1, and therefore cos^2(t) + sin^2(t) = 1. This implies that cos^2(t) = 1 - sin^2(t).

Substituting this expression for cos^2(t) into the equation for sin(t), we get:

sin(t) = ±sqrt(1 - cos^2(t)) = ±sqrt(1 - (1 - sin^2(t))) = ±sqrt(sin^2(t))

Since sin(t) is always non-negative on the unit circle, we can take the positive square root and simplify to get:

sin(t) = sqrt(sin^2(t)) = sin(t)

Therefore, the value of sin(t) is simply the y-coordinate of the terminal point (x, y) on the unit circle, which is given by sin(t).

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if x initially contains the value 3, which of the following sets x to 7?

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To set x to 7 when it initially contains the value 3, you would need to add 4 to x. Therefore, the option that would set x to 7 is x = x + 4.

This statement adds 4 to the current value of x (which is 3), resulting in x being equal to 7. It is important to note that there may be other ways to set x to 7 depending on the specific context and code. However, in the absence of further information, adding 4 to x is the most direct and simple solution.


Let's consider that x initially contains the value 3. We want to find an operation that sets x to 7. Since we're looking for a change of +4 (7 - 3), we can perform the following operation: x = x + 4. By adding 4 to the initial value of x, we get x = 3 + 4, which results in x = 7. Thus, the operation that sets x to 7 when it initially contains the value 3 is x = x + 4.

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Twenty percent of the 640 pitches Kendall threw last year were strikes. Which table can be used to find the number of strikes she threw?

Number of Pitches


A 3-column table with 6 rows. Column 1 has entries 20 percent, 20 percent, 20 percent, 20 percent, 20 percent = 100 percent. Column 2 has entries 0. 2, 0. 2, 0. 2, 0. 2, 0. 2 = 1. Column 3 has entries 128, 128, 128, 128, 128 =640. Number of Pitches


A 3-column table with 6 rows. Column 1 has entries 20 percent, 20 percent, 20 percent, 20 percent, 20 percent = 100 percent. Column 2 has entries 0. 2, 0. 2, 0. 2, 0. 2, 0. 2 = 1. Column 3 has entries 256, 256, 256, 256, 256 = 1,280. Number of Pitches


A 3-column table with 5 rows. Column 1 has entries 25 percent, 25 percent, 25 percent, 25 percent = 100 percent. Column 2 has entries 0. 25, 0. 25, 0. 25, 0. 25 = 1. Column 2 has entries 160, 160, 160, 160 = 640. Number of Pitches


A 3-column table with 5 rows. Column 1 has entries 25 percent, 25 percent, 25 percent, 25 percent = 100 percent. Column 2 has entries 0. 25, 0. 25, 0. 25, 0. 25 = 1. Column 2 has entries 320, 320, 320, 320 = 1,280

Answers

A 3-column table with 5 rows. Column 1 has entries 25 percent, 25 percent, 25 percent, 25 percent = 100 percent. Column 2 has entries 0.25, 0.25, 0.25, 0.25 = 1. Column 3 has entries 320, 320, 320, 320 = 1,280.

The correct table that can be used to find the number of strikes Kendall threw is:

A 3-column table with 5 rows.

Column 1 has entries 25 percent, 25 percent, 25 percent, 25 percent = 100 percent.

Column 2 has entries 0.25, 0.25, 0.25, 0.25 = 1.

Column 3 has entries 320, 320, 320, 320 = 1,280.

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six shapes are shown bellow, some of these are regular polygons, some are regular some are not polygons in the table write down the letter of each shape in the correct column below

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Table 1 is filled with option C, table 2 is filled with option A, B, and E, and table 3 is filled with option D.

There are six different shapes given in the questions.

We need to fill the table that is given in the question. The table is asked to segregate the figures into regular polygons, irregular polygons, and not polygon.

Therefore,

A regular polygon is only the option (C)

Irregular polygon is options A, B, and E.

Not a polygon is the only option (D)

Thus, table 1 is filled with option C, table 2 is filled with option A, B, and E, and table 3 is filled with option D.

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slope of (-9,6) and (3,6)

Answers

Answer: Slope of 0

Step-by-step explanation: Both points are 6 on the y-axis.

determine the angular velocity of the gear and the velocity of its center o at the instant shown

Answers

For the angular velocity of the gear, you'll need to gather relevant information about the gear, calculate the linear velocity, and use the formula = v / r. The velocity of the center "O" is always 0 as it does not move linearly.

To determine the angular velocity and the velocity of the center 'O' of the gear at the given instant, you will need to follow these steps:

Step 1: Identify the relevant information.
First, gather information about the gear, such as its radius, the speed at which it is rotating, and any other relevant details. To determine the angular velocity of the gear and the velocity of its center at the instant shown, we need to know the radius of the gear and the speed of its rotation. The angular velocity of the gear can be calculated by dividing the speed of rotation by the radius of the gear. The velocity of the center of the gear can be calculated by multiplying the angular velocity by the radius of the gear.

Step 2: Calculate the angular velocity.
Angular velocity () can be calculated using the formula  = v / r, where 'v' is the linear velocity at the edge of the gear and 'r' is the radius of the gear.

Step 3: Find the linear velocity at the edge of the gear.
This can typically be given or can be determined based on the information provided.

Step 4: Calculate the angular velocity.
Plug the values of linear velocity (v) and radius (r) into the formula  = v / r to find the angular velocity.
Angular velocity = (speed of rotation) / (radius of gear)
Velocity of center = (angular velocity) x (radius of gear)

Step 5: Determine the velocity of the center 'O'
Since the center 'O' of the gear is the point around which the gear rotates, its velocity is 0, as it does not move linearly.

In summary, to find the angular velocity of the gear, you'll need to gather relevant information about the gear, calculate the linear velocity, and use the formula  = v / r. The velocity of the center "O" is always 0 as it does not move linearly.

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The table of values represents an exponential function ​f(x). What is the average rate of change over the interval −2≤x≤2? Enter your answer, as a decimal rounded to the nearest hundredth, in the box. −3 64 −2 16 −1 4 0 1 1 1/4 2 1/16 3 1/64

Answers

Rounded to the nearest hundredth, the average rate of change over the interval -2 ≤ x ≤ 2 is approximately -3.98.

To find the average rate of change of the exponential function over the interval -2 ≤ x ≤ 2, we need to calculate the slope between the endpoints of the interval.

At x = -2, the corresponding value is 16, and at x = 2, the corresponding value is 1/16.

The change in y (Δy) between these two points is 1/16 - 16 = -255/16.

The change in x (Δx) is 2 - (-2) = 4.

The average rate of change is Δy/Δx = (-255/16)/4 = -255/64.

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A cone has a volume of 4.5pi cubic inches and a height of 13.5 inches. which measure is closest to the radius of the cone in inches?

Answers

Answer: The volume of a cone can be expressed as:

V = (1/3)πr^2h

where V is the volume, r is the radius, and h is the height of the cone.

We are given that the volume of the cone is 4.5π cubic inches and the height is 13.5 inches. Substituting these values into the equation above, we get:

4.5π = (1/3)πr^2(13.5)

Simplifying this equation, we get:

r^2 = (4.5π * 3) / (13.5π)

r^2 = 1

Taking the square root of both sides, we get:

r = 1 inch

Therefore, the measure closest to the radius of the cone is 1 inch.

Please try this ! Ill mark u as brainliest is do!!!

Answers

Answer: (50, 40)

Step-by-step explanation:

I am not a 100% sure if it is 40, but try that. if c is an equal distance to both a and b and the total distance between a and be is 40 (because 100-60 is 40), the middle of that would be 20. given that, 60 from the y axis minus 20 is 40.

* so try (50,40)

What is the surface area of this complex shape?
408 ft

458 ft

545 ft

720 ft

680 ft

1000 ft

GIVING BRAINLIEST TO WHO ANSWERS IT CORRECTLY

Answers

The surface area of the figure will be 458 square feet. Then the correct option is B.

What is the area?

The quantity area demonstrates the amount of a sector on a planar or hemispherical cup. Surface area refers to the area of an open surface or the border of a multi-object, whereas the area of a plane region or plane field refers to the area of a form or planar material.

The surface area of the figure is given as,

[tex]\sf SA = 2 [(12 \times 5) + (12 \times 5) + (7 \times 7) + (5 \times 12)][/tex]

[tex]\sf SA = 2 (60 + 60 + 49 + 60)[/tex]

[tex]\sf SA = 2 (229)[/tex]

[tex]\sf SA = 458 \ square \ feet[/tex]

The surface area of the figure will be 458 square feet. Then the correct option is B.

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the region r in the first quadrant is enclosed by the lines x=0 and y=5 and the graph of y=x^2+1

Answers

Therefore, the area of the region r is 8 square units.

To start, let's graph the two lines and the equation y=x^2+1 in the first quadrant:
As we can see from the graph, the region r is a triangle with a curved bottom. To find the area of this region, we can use integration.
First, we need to find the x-coordinates of the points where the line y=5 intersects with the curve y=x^2+1. To do this, we set the two equations equal to each other:
5 = x^2 + 1
Subtracting 1 from both sides gives us:
4 = x^2
Taking the square root of both sides, we get:
x = ±2
Since we are only interested in the positive x-value (since we are in the first quadrant), we have:
x = 2
Next, we need to set up our integral to find the area of the region r. Since the region is bounded by the lines x=0 and y=5, and the curve y = x^2+1, we can integrate with respect to y, using the limits of integration y=1 and y=5 (since the curve starts at y=1 when x=0).
The area of the region r can be found using the following integral:
A = ∫[1,5] [√y - 1] dy
Integrating, we get:
A = [2/3 y^(3/2) - y] [1,5]
A = [2/3 (5)^(3/2) - 5] - [2/3 (1)^(3/2) - 1]
A = 25/3 - 1/3
A = 8
Therefore, the area of the region r is 8 square units.

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The triangle above has the following measures.
s = 23 in
r = 75 in
Find the mzQ.
Round to the nearest tenth and include correct units.
Show all your work

Answers

The measure of the angle of the triangle is ∠Q = 72.1°

Given data ,

Let the triangle be represented as ΔQRS

Now , the measure of sides of the triangle are

SQ = 75 inches

And , RS = 23 inches

From the trigonometric relations , we get

cos θ = adjacent / hypotenuse

On simplifying , we get

cos Q = 23/75

cos Q = 0.3066667

Taking inverse on both sides , we get

The inverse of the cosine function is Q = cos⁻¹ ( 0.306667 )

Q = 72.14°

Hence , the angle is Q = 72.1°

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look at cliped pic please help

Answers

Answer:

[tex]( { \frac{4}{7} )}^{2} = \frac{ {4}^{2} }{ {7}^{2} } = \frac{16}{49} [/tex]

the model of a river is constructed to a scale of 1/60. if the water in the river is flowing at 38 ft/s, how fast must the water flow in the model?

Answers

The water in the given model must flow at a constant speed of 2,280 ft/s to represent the actual water flow of 38 ft/s.

The speed of water flow in the model can be calculated as follows:

Model speed = Actual speed / Scale factor

Since the scale factor is 1/60, the model speed will be:

Model speed = 38 ft/s / (1/60) = 2,280 ft/s

Therefore, the water in the given model must flow at a constant speed of 2,280 ft/s to accurately and precisely represent the actual water flow of 38 ft/s.

Note: The calculated model speed seems unreasonably high, and it is likely that there is an error in the given values or in the calculation.

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HELP ASAP !!!!
The coordinates of a triangle are described by a matrix, where the rows represent each point, A, B, and C, from top row to bottom row, and column 1 represents the x coordinates and column 2 represents the y coordinates. What transformation does the following matrix represent when added to the first matrix?
A. A rotation about the origin clockwise by 90°
B. A flip over the y-axis
C. A translation to the left by 20 units and down by 20 units
D. A translation to the right by 20 units and down by 20 units

Answers

Answer:

  D. A translation to the right by 20 units and down by 20 units

Step-by-step explanation:

You want to know the effect of adding (20, -20) to the (x, y) coordinates of the vertices of a triangle.

Transformation

The x-coordinate of a point tells you its position to the right of the y-axis. Adding 20 to the x-coordinate moves its position 20 units farther to the right.

The y-coordinate of a point tells you its position above the x-axis. Subtracting 20 from the y-coordinate moves its position down 20 units.

The matrix represents the transformation ...

A translation to the right by 20 units and down by 20 units, choice D.

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What is the best estimate for the volume of the pyramid

Answers

The best estimate for the volume of the pyramid is 1386.67 cubic units.

To calculate the volume of a pyramid, we use the formula V = (1/3) * B * h, where B is the area of the base and h is the height of the pyramid. In this case, we are given that the base of the pyramid is a rectangle with dimensions 15 units by 20 units, so the area of the base is B = 15 * 20 = 300 square units. We are also given that the height of the pyramid is 14 units. Therefore, the volume of the pyramid is V = (1/3) * 300 * 14 = 1400 cubic units. However, since this is an estimate, we should round our answer to a reasonable number of decimal places. In this case, we can round to two decimal places to get a final answer of 1386.67 cubic units. This estimate gives us a good approximation of the volume of the pyramid based on the information provided.

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Think of a proportional relationship you may see in your daily life . Make a table of data and graph the data. explain how u know that the data show a proportional relationship

Answers

One example of a proportional relationship in daily life could be the relationship between the distance traveled by car and the time it takes to travel that distance, assuming a constant speed.

We have,

Let's say we have a car that is traveling at a constant speed of 60 miles per hour.

We can create a table of data to show the relationship between distance and time:

Distance (miles) Time (hours)

60                             1

120                             2

180                             3

240                             4

300                             5

We can see from the table that as the distance traveled increases by a factor of 2, the time it takes to travel that distance also increases by a factor of 2.

This is a proportional relationship.

Thus,

One example of a proportional relationship in daily life could be the relationship between the distance traveled by car and the time it takes to travel that distance, assuming a constant speed.

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I need help pls quick

Answers

Answer:

14

Step-by-step explanation:

I think what you're asking is how many study Spanish. In the diagram, the spot for Spanish has the number 14.

22. Look at the given triangles.
4x + 2
7x+7
C.
x+3
2x-5
X+7
5x-4
a Write an expression in simplest form for the perimeter of each triangle.
b. Write another expression in simplest form that shows the difference between the perimeter
of the larger triangle and the perimeter of the smaller triangle.
Find the perimeter for each triangle when x = 3
U

Answers

a. The perimeter of the first triangle is and the perimeter of the second triangle is

b. The difference between the perimeters is

c The perimeter of the triangles when x is 3 are

What is perimeter of triangle?

Perimeter is a math concept that measures the total length around the outside of a shape.

The perimeter of a triangle = a+b+c

1. 4x+2 + 7x+7 + x+3

= 4x+7x+ x +2+7+3

= 12x +12

Perimeter of the second triangle

= 2x-5+x+7+5x-4

= 2x+5x+x-5+7-4

= 8x-2

2. The difference of the perimeters

= 12x+12 -( 8x-2)

= 12x-8x +12+2

= 4x +14

3. when x is 3

The perimeter of the first triangle

= 12(3) +12

= 36+12

= 48 units

The perimeter of the second triangle

= 8(3)- 2

= 22 units

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PLEASE HELP!! LIMITED TIME WILL GIVE BRAINLIEST/POINTS!

The number of cars waiting at a bank for 60 minutes is as follows.

Find the probability of 3 cars waiting in line.

P( 3 ) = [?]

Answers

Answer:

The probability is 1/5 or 0.2

Step-by-step explanation:

Probability of 3 cars waiting in the line= the number of 3 cars waiting in the line/Total number of cars

T(c)=2+9+16+12+8+6+4+2+1=60

P=12/60

P=1/5 or 0.2

5,322,093.05 in words

Answers

Answer:

five million three hundred twenty-two thousand ninety-three and five hundredths

Step-by-step explanation:

have a great day and thx for your inquiry :)

Answer:

five million, three hundred and twenty two thousand and ninety three point zero five

Which set of two variables is most likely to have a cause-and-effect relationship? A. The age of a teacher and the income of the teacher B. The height of a person and the weight of a person C. The weight of a box and the postage rate we have to pay to ship the box to California D. The make of a car and the mileage of the car

Answers

Out of the given options, the set of variables that is most likely to have a cause-and-effect relationship is A. The age of a teacher and the income of the teacher. A cause-and-effect relationship implies that one variable is the cause of changes in the other variable.

In this case, it is possible to argue that the age of a teacher can cause changes in their income. For example, as teachers gain more experience and seniority, they may be eligible for higher salaries. Additionally, teachers who have been in the profession for longer may have more qualifications or skills that make them more desirable to schools and therefore more likely to earn higher incomes. On the other hand, the other options do not necessarily have a clear cause- and- effect relationship. For example, while a person's weight may influence their height to some extent, it is not a direct cause-and-effect relationship. Similarly, while the make of a car may influence its mileage, it is not a direct cause-and-effect relationship. In conclusion, while it is important to consider all variables when analyzing data, it is essential to identify which variables have a direct cause-and-effect relationship. In this case, the set of variables with a cause-and-effect relationship is A. The age of a teacher and the income of the teacher. Based on the given options, the set of two variables most likely to have a cause-and-effect relationship is C. The weight of a box and the postage rate we have to pay to ship the box to California.This relationship is likely cause-and-effect because shipping companies typically charge postage rates based on the weight of the package being sent. As the weight of a box increases, the cost to ship it usually increases as well, demonstrating a direct cause-and-effect relationship between these two variables

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