The cost of parking a car in a parking lot is a function of the time parked. Compare the cost of parking
in two different lots by using the different representations shown.
Parking Lot A
Time
(hours)
2
7
Cost
(dollars)
10.60
21.20
37.10
Cost (dollars)
55
50
45
40
35
30
25
20
15
10
Parking Lot B
0123
Time (hours)
9 10 11

The Cost Of Parking A Car In A Parking Lot Is A Function Of The Time Parked. Compare The Cost Of Parkingin

Answers

Answer 1

Answer:  we can conclude that Parking Lot A is more expensive than Parking Lot B for 10 hours of parking, since Parking Lot A would cost $42.20 for 10 hours (using the equation we found below), while Parking Lot B would only cost $35.

Step-by-step explanation: To compare the cost of parking in the two different lots, we need to use the given information to determine the cost for a given amount of time parked in each lot.

For Parking Lot A, we can use the given data to create a table of time and cost pairs:

Time (hours) Cost (dollars)

2 10.60

7 21.20

12 37.10

Note that we can use the given pairs of time and cost to determine a function that relates the two variables. A linear function is a good choice here, since the cost appears to increase at a constant rate over time. Using the two given data points (2, 10.60) and (7, 21.20), we can find the slope of the line:

slope = (21.20 - 10.60) / (7 - 2) = 2.12

Using this slope and one of the data points, we can find the y-intercept of the line:

y - 10.60 = 2.12(x - 2)

y - 10.60 = 2.12x - 4.24

y = 2.12x + 6.36

This equation represents the cost of parking in Parking Lot A as a function of time parked.

For Parking Lot B, we can use the given graph to estimate the cost for a given amount of time parked. From the graph, we can see that the cost for parking 10 hours in Parking Lot B is about $35.

Therefore, we can conclude that Parking Lot A is more expensive than Parking Lot B for 10 hours of parking, since Parking Lot A would cost $42.20 for 10 hours (using the equation we found above), while Parking Lot B would only cost $35.


Related Questions

A) Without eliminating the parameter, find dydx and d2ydx2 for the parametric equations x=√t,y=3t−7 at the point where t=4.B) Check your answers from part A) by eliminating the parameter.

Answers

A)  Without eliminating the parameter of parametric equations x = √t, y = 3t−7:

dy/dx = 6√t and d²y/dx² = 0

B) By eliminating the parameter:

dy/dx = 6x and d²y/dx² = 6

Consider parametric equations x = √t, y = 3t−7

We find the derivative if above parametric equations with respect to t.

dx/dt = 1/2√t

and dy/dt = 3

Again find the derivative above equations with respect to t.

so, d²x/dt² = (1/2)(1/2t√t)

                  = 1/4t√t

and d²y/dt² = 0

So, dy/dx would be,

dy/dx

= (dy/dt)/(dx/dt)

= (3)/(1/2√t)

= 3(2√t)

= 6√t

And the value of d²y/dx² would be,

d²y/dx²

= (d²y/dt²) / (d²x/dt² )

= 0 / (1/4t√t)

= 0

B)

Here, x = √t, y = 3t−7

so, t = x²

⇒ y = 3x² - 7

Now differentiate above function with respect to x

dy/dx = 6x

And d²y/dx² = 6

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Please click each true statement that describes a normal distribution.Check All That Applya. Skewedb. Symmetricalc. Bell-shapedd. Asymptotice. Uniform

Answers

The following are the actual statements that describe a normal distribution:

b. Symmetrical

c. Bell-shaped

d. Asymptotic

Describe the term normal distribution?

A typical dispersion is a likelihood circulation that is balanced and ringer molded, with most perceptions grouped around the mean and less at the limits.

The following are the actual statements that describe a normal distribution:

b. Symmetrical

c. Bell-shaped

d. Asymptotic

A probability distribution that is symmetric around its mean is called a normal distribution. It is also known as a Gaussian distribution because it has a bell-shaped curve. The distribution's tails approach but never touch the x-axis, indicating that it is asymptotic. The appropriation isn't slanted or uniform.

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find the average value of f(x,y)=4x^2 + y^2 over the rectangle rr with vertices (0,−2),(2,−2),(0,1),(0,−2),(2,−2),(0,1), and (2,1)

Answers

The average value of f(x, y) = 4x² + y² over the rectangle with vertices (0, -2), (2, -2), (0, 1), and (2, 1) is 17/3.

To find the average value of the function over the given rectangle, follow these steps:

1. Determine the area of the rectangle: A = (2 - 0) * (1 - (-2)) = 2 * 3 = 6.
2. Set up the double integral for the average value: (1/A) * ∬[f(x, y) dA], where dA = dx dy.
3. Integrate f(x, y) = 4x² + y² over the rectangle limits, x = 0 to 2 and y = -2 to 1: ∬[4x² + y² dx dy].
4. Perform the integration with respect to x and then y.
5. Multiply the result by (1/A), which is (1/6) in this case.

Following these steps, the average value of the function over the given rectangle is found to be 17/3.

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Complete the parametric equations of the line through the point (2,-8, 4) and perpendicular to the plane -7 - 3y + 4z = 1 D(t) = 2 – 71 g(t) =

Answers

The parametric equations of the line through the point (2,-8,4) and perpendicular to the plane -7 - 3y + 4z = 1 are: x(t) = 2 - 7t, y(t) = 1 - (3/4)t, z(t) = 4 + t

To find the equation of the line, we first need to find the direction vector of the line, which is perpendicular to the given plane. We can find the direction vector by taking the cross product of the normal vector of the plane and a vector that passes through the given point.

The normal vector of the plane -7 - 3y + 4z = 1 is <0,-3,4>, and a vector passing through the point (2,-8,4) is <2,-8,4>. Taking the cross product of these two vectors, we get:

<0,-3,4> x <2,-8,4> = <32,8,6>

This is the direction vector of the line. To get the parametric equations of the line, we use the point-slope form of the equation of a line:

(x - 2)/(-7) = y/(-3/4) = (z - 4)/1

Solving for x, y, and z, we get the desired parametric equations:

x(t) = 2 - 7t

y(t) = 1 - (3/4)t

z(t) = 4 + t

where t is a parameter that can take any real value.

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Federick chopin-nocturne Op. 9 revloutionary etude which peice conveys chopins passionate side?
A. Nocture Op. 9 No. 2
B. Revolutionary Etude

Answers

Federick chopin-nocturne Op. 9 revloutionary etude which peice conveys chopins passionate side, Nocturne Op. 9 No. 2 conveys Chopin's passionate side is the correct answer, so option B is correct.

The Nocturne Op. 9 No. 2 is generally considered to be the piece that conveys Chopin's passionate and emotional side, as it is a beautiful and expressive melody with a romantic character. The Revolutionary Etude, on the other hand, is known for its fiery and intense nature, as it was written to reflect Chopin's feelings about the political situation in his native Poland.

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Find the constant of proportionality for the line shown on the graph.

Answers

Answer:

[tex]\frac{3}{4}[/tex]

Step-by-step explanation:

Start at 0.  To get back on the line, you would need to go up 3 and then right 4.  This is the constant of proportionality.  It is also known as the slope of the line.

Helping in the name of Jesus.

In the coordinate plane, the points X (3, 6), Y (−7, 8), and Z (−11, 2) are reflected over the y-axis to the points X′, Y′, and Z′, respectively. What are the coordinates of X′, Y′, and Z′?

Answers

Answer:

X'= (-3,6)

Y'=(7,8)

Z'=(11,2)

Step-by-step explanation:

when a point is reflected over the y axis, (x,y) becomes (-x,y). so the x value is just multiplied by -1

Answer:

X′(−3, 6), Y′(7, 8), Z′(11, 2)

Step-by-step explanation:

Imagine you are a spy who needs to infiltrate a secret base located at the origin of the coordinate plane. You have three accomplices, X, Y, and Z, who are waiting for you at different points on the plane. X is at (3, 6), Y is at (-7, 8), and Z is at (-11, 2). You have a device that can reflect any point over the y-axis, which you plan to use to confuse the enemy guards. You decide to reflect X, Y, and Z over the y-axis to create X', Y', and Z', respectively. What are the coordinates of these new points?

To find the coordinates of X', you simply change the sign of the x-coordinate of X. So, X' is at (-3, 6). Similarly, to find the coordinates of Y' and Z', you change the sign of the x-coordinates of Y and Z. So Y' is at (7, 8) and Z' is at (11, 2). Now you have three new points that are symmetric to the original ones over the y-axis.

But wait! There's a problem. The enemy guards have noticed that something is wrong. They see four points on their radar: one at the origin (you) and three on the right side of the y-axis (X', Y', and Z'). They realize that these points are reflections of some other points on the left side of the y-axis. They quickly deduce that there must be a spy among them. They start searching for you.

You need to act fast. You use your device again to reflect yourself over the y-axis. This creates a new point at (-0, 0), which is exactly the same as (0, 0). You have effectively disappeared from their radar. You sneak into the base while they are busy looking for you on the wrong side of the plane.

You have successfully completed your mission. Congratulations! You are a master of reflections.

✧☆*: .。. That's all folks, have fun with math! (✧ω✧) .。.:*☆✧

If f(x) = x3 – 4x^2 + 10, determine the concavity when x=1. Hint: First find the second derivative f(x) is neither concave up nor down when x=1 f(x) is concave up when x=1 f(x) is concave down when x=1

Answers

When x=1, the second derivative of f(x) is 6, indicating that f(x) is concave up.

To determine the concavity of a function at a given point, we need to look at the sign of the second derivative. The second derivative of [tex]f(x)=x^3-4x^2+10 is f''(x)=6x-8. When x=1, f''(1)=6(1)-8=-2.[/tex]

Since f''(1) is negative, this indicates that f(x) is concave down when x=1. This means that the graph of the function at x=1 has a downward curvature,

where the tangent line will lie below the curve. Intuitively, this means that the rate of change of slope is decreasing as we move towards the point x=1. In contrast, if f''(1) were positive,

it would indicate that f(x) is concave up at x=1, meaning that the graph would have an upward curvature and the tangent line would lie above the curve.

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Which represents the solution to x³ = 512?
3
x = √512
x=512³
x=512²
x = √512

Answers

Step-by-step explanation:

x^3 = 512       take cube root of both sides of the equation:

x = [tex]\sqrt[3]{512}[/tex]   =  8  

Answer:

8

Step-by-step explanation:

Put the following equation of a line into slope-intercept form, simplifying all
fractions.
4x + y = 7

Answers

The equation of this line in slope-intercept form is equal to y = -4x + 7.

What is the slope-intercept form?

In Mathematics and Geometry, the slope-intercept form of the equation of a straight line is given by this mathematical expression;

y = mx + c

Where:

m represents the slope or rate of change.x and y are the points.c represents the y-intercept or initial value.

By making the variable "y" the subject of formula, we have the following:

4x + y = 7

y = -4x + 7

Therefore, the slope (m) is equal to -4.

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we have a jar of coins, all dimes and nickels. all together, we have 250 coins, and the total value of all coins in the jar is $ 18.4. how many dimes are there in the jar?

Answers

Answer: there are 118 dimes in the jar.

Step-by-step explanation: Let's use a system of equations to solve the problem:

Let d be the number of dimes and n be the number of nickels.

We know that:

d + n = 250 (Equation 1) (The total number of coins is 250)

0.1d + 0.05n = 18.4 (Equation 2) (The total value of all coins is $18.4)

To solve for d, we need to eliminate n from the equations above. We can do this by multiplying Equation 1 by -0.05 and adding it to Equation 2:

-0.05d - 0.05n = -12.5

0.1d + 0.05n = 18.4

0.05d = 5.9

Dividing both sides by 0.05, we get:

d = 118

Therefore, there are 118 dimes in the jar.

This laptop computer measures 21.5cm x 19.7 cm. How many can fit on a shelf that is 1.2 meters long?

Answers

Answer:

= 5 laptops

Step-by-step Explanation:

To find out how many laptops can fit on a shelf that is 1.2 meters long, we need to first convert the length of the shelf and the dimensions of the laptop to the same units.

We can convert 1.2 meters to centimeters by multiplying it by 100:

1.2 meters = 120 centimeters

Now we can divide the length of the shelf by the length of one laptop to find out how many laptops can fit in a row:

120 cm ÷ 21.5 cm = 5.58

So we can fit 5 laptops in a row on the shelf.

Next, we can divide the width of the shelf by the width of one laptop to find out how many rows of laptops can fit on the shelf:

19.7 cm ÷ 19.7 cm = 1

So we can fit 1 row of laptops on the shelf.

Therefore, the total number of laptops that can fit on the shelf is:

5 laptops x 1 row = 5 laptops

So we can fit 5 laptops on the shelf that is 1.2 meters long.

Please Help !!

If possible solve the equation for all values of θ such that 0 ≤ θ < 2π: 2csc^2 (θ) +5csc(θ) -12=0 if there no solutions, explain why ?

Answers

The solutions of the original equation 2csc²(θ) + 5csc(θ) - 12 = 0 are:

θ = π/3 and θ = 2π/3

Define trigonometric function

Trigonometric functions are mathematical functions that relate the angles of a right triangle to the ratios of the sides of the triangle. The most common trigonometric functions are sine, cosine, and tangent, which are abbreviated as sin, cos, tan.

We can begin by substituting u = csc(θ), which gives us the quadratic equation:

2u² + 5u - 12 = 0

We can factor this equation as:

(2u - 3)(u + 4) = 0

Therefore, we have two possible solutions:

2u - 3 = 0 or u + 4 = 0

Solving for u, we get:

u = 3/2 or u = -4

Since u = csc(θ), we need to check whether these values are valid solutions in the interval 0 ≤ θ < 2π.

We know that csc(θ) is positive in the first and second quadrants, and negative in the third and fourth quadrants. Therefore, the equation 2csc²(θ) + 5csc(θ) - 12 = 0 has a solution if and only if either:

csc(θ) = 3/2, which implies sin(θ) = 2/3

or

csc(θ) = -4, which implies sin(θ) = -1/4

The first equation has two solutions in the interval 0 ≤ θ < 2π, namely θ = π/3 and θ = 2π/3. The second equation has no solutions in the interval 0 ≤ θ < 2π, since sin(θ) is always between -1 and 1.

Therefore, the solutions of the original equation 2csc²(θ) + 5csc(θ) - 12 = 0 in the interval 0 ≤ θ < 2π are:

θ = π/3 and θ = 2π/3.

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given a normal population whose mean is 640 and whose standard deviation is 20, find each of the following: a. the probability that a random sample of 3 has a mean between 641 and 646. probability =

Answers

The probability that a random sample of 3 has a mean between 641 and 646, given a normal population with a mean of 640 and a standard deviation of 20, is approximately 0.8115.

To find this probability, follow these steps:
1. Calculate the standard error (SE) of the sample mean: SE = σ/√n = 20/√3 ≈ 11.55
2. Find the z-scores for 641 and 646: z1 = (641 - 640)/11.55 ≈ 0.087, z2 = (646 - 640)/11.55 ≈ 0.520
3. Use a z-table or calculator to find the area between z1 and z2: P(0.087 < z < 0.520) ≈ 0.8115

In this scenario, the probability of obtaining a random sample of 3 with a mean between 641 and 646 from the given population is approximately 81.15%.

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A random sample of 107 observations produced a sample mean of 33. Find the critical and observed values of for the following test of hypothesis using a = 0.02. The population standard deviation is known to be S and the population distribution is normal. He: = 28 versus H: > 28. Round your answers to two decimal places

Answers

The observed value (z-score) is greater than the critical value (2.05), we would reject the null hypothesis (H₀) and conclude that there is sufficient evidence to support the alternative hypothesis (H₁) that μ > 28.

To find the critical value of t, we need to use the t-distribution with degrees of freedom (df) = n - 1 = 106 and alpha (α) = 0.02.

Using a t-table or calculator, the critical value of t for a one-tailed test with df = 106 and α = 0.02 is 2.366.

To find the observed value of t, we can use the formula:

t = (x - μ) / (S / √n)

where x = 33, μ = 28, S is the population standard deviation (not given), and n = 107.

Without knowing the population standard deviation, we cannot calculate the observed value of t.

To find the critical and observed values for the given hypothesis test, we will first need to use the provided information.

Given:
Sample size (n) = 107
Sample mean (x) = 33
Population mean (μ) = 28
Population standard deviation (σ) = S
Significance level (α) = 0.02
H₀: μ = 28
H₁: μ > 28

First, let's find the observed value (z-score):

z = (x - μ) / (σ / √n)

Now, we will find the critical value. Since this is a one-tailed test with α = 0.02, we need to find the z-score corresponding to the 0.98 quantile (1 - α) in the standard normal distribution.

Using a z-table or calculator, we find the critical value:

z(0.98) ≈ 2.05

So, the critical value is 2.05, and the observed value is calculated using the formula provided. Note that without knowing the population standard deviation (S), the observed value cannot be calculated.

If the observed value (z-score) is greater than the critical value (2.05), we would reject the null hypothesis (H₀) and conclude that there is sufficient evidence to support the alternative hypothesis (H₁) that μ > 28.

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what’s the area of a regular octagon with apothem 8 inches and each side 9 inches

Answers

288 square inches is the area of the rectangular octagon.

The formula Area = (apothem * perimeter)/2 will be used to calculate the area of a regular octagon.

The apothem is the distance between the center and the midpoint of a side, and the perimeter is the sum of the lengths of all eight sides.

In this instance, the perimeter is indicated as 8 inches for the apothem and 9 inches for each side.

Perimeter = 8 * 9 inches = 72 inches

Now we can use the formula to find the area:

Area = (apothem * perimeter)/2

Area = (8 inches * 72 inches)/2

Area = 288 square inches

Therefore, the area of the regular octagon is 288 square inches.

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Which of the following sets of ordered pairs represents a function?

{(−6, −5), (−4, −3), (−2, 0), (−2, 2), (0, 4)}
{(−5, −5), (−5, −4), (−5, −3), (−5, −2), (−5, 0)}
{(−4, −5), (−3, 0), (−2, −4), (0, −3), (2, −2}
{(−6, −3), (−6, −2), (−5, −3), (−3, −3), (0, 0)}

Answers

Answer:

The third set

Step-by-step explanation:

What is a function?

A function, in simple terms, is a relationship between a set of inputs having one output each.

This means that a function is a relationship where there is a set of inputs that have one corresponding output, so if an input has multiple outputs its not a function. (this means the x value CANNOT repeat)

Which set of ordered pairs represents a function?

If we look at each set of ordered pairs, the only set that doesn't have an x value that doesn't repeat is the third set.

In the first set, an x value of -2 has multiple outputs, making it not a function. (−2, 0), (−2, 2),

In the second set, the x value -5 has multiple outputs, making it not a function. (−5, −5), (−5, −4)

In the third set, each x value has its own corresponding output. This is the only function

In the last set, the x value -6 has multiple outputs, making it not a function. (−6, −3), (−6, −2)

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Find the equation of the line shown.
I
У.
#&+
4
3
21
of du & u
4
2
3
-5
2 3 4 5
X

Answers

to get the equation of any straight line, we simply need two points off of it, let's use those two in the picture below

[tex](\stackrel{x_1}{-4}~,~\stackrel{y_1}{3})\qquad (\stackrel{x_2}{4}~,~\stackrel{y_2}{1}) \\\\\\ \stackrel{slope}{m}\implies \cfrac{\stackrel{\textit{\large rise}} {\stackrel{y_2}{1}-\stackrel{y1}{3}}}{\underset{\textit{\large run}} {\underset{x_2}{4}-\underset{x_1}{(-4)}}} \implies \cfrac{-2}{4 +4} \implies \cfrac{ -2 }{ 8 } \implies - \cfrac{ 1 }{ 4 }[/tex]

[tex]\begin{array}{|c|ll} \cline{1-1} \textit{point-slope form}\\ \cline{1-1} \\ y-y_1=m(x-x_1) \\\\ \cline{1-1} \end{array}\implies y-\stackrel{y_1}{3}=\stackrel{m}{- \cfrac{ 1 }{ 4 }}(x-\stackrel{x_1}{(-4)}) \implies y -3 = - \cfrac{ 1 }{ 4 } ( x +4) \\\\\\ y-3=- \cfrac{ 1 }{ 4 }x-1\implies {\Large \begin{array}{llll} y=- \cfrac{ 1 }{ 4 }x+2 \end{array}}[/tex]

X=______ CM PIz HeIp

Answers

Answer:

x=18

Step-by-step explanation:

11×11= 121

10×10=100

so, 5x+10=100

5x=90

x=18

saw a 1 star review so I decided to add my own answer
Answer:

20

Step-by-step explanation:

The top triangle has lengths 11, 10, and p ( unknown p ). We can form a larger triangle by including the bottom half. This now becomes a triangle with sides 132 and 5x + 20. Following ratios 11:10 must be equal to 132:5x+20. 132 = 11 * 12

By the ratio 5x+20 = 10 * 12

Or 5x + 20 = 120 or 5x = 100 or x = 20

The following map shows the time it takes to drive between four cities in Texas. Jacob has to drive from San Antonio to Houston, and then from Houston to Dallas. How many hours will it take him?

7,2/12 , hours

7 hours

7,5/12 , hours

4,7/12 , hours

Answers

Thus, It takes Jacob a total of hours from San Antonio to Houston and then from Houston to Dallas 7 5/12 hours.

Define about the mixed fractions:

A mixed number combines a proper fraction and a whole number. To express a quantity higher than a but that less than the next whole number, mixed numbers as well as mixed fractions are utilised. Improper fractions can be used to create mixed numbers.

Given that:

Time : San Antonio to Houston = 3 1/3 hoursTime: Houston to Dallas = 4 1/12 hours

Convert the given mixed fraction into proper fractions:

San Antonio to Houston = 3 1/3 hours

                                        = (3*3 + 1)/3 hours

                                        = (9 + 1)/3 hours

                                        = 10/3 hours

Now,

Houston to Dallas = 4 1/12 hours

                              = (4*12 + 1)/12 hours

                              = (48 + 1)/12 hours

                              = 49/12 hours

Total time from San Antonio to Dallas = San Antonio to Houston + Houston to Dallas

Total time from San Antonio to Dallas = 10/3 + 49 / 12

Taking LCM:

Total time from San Antonio to Dallas = (10*4 + 49)/12

Total time from San Antonio to Dallas = (40 + 49)/12

Total time from San Antonio to Dallas = 89/12

Total time from San Antonio to Dallas = 7 5/12 hours

Thus, It takes Jacob a total of hours from San Antonio to Houston and then from Houston to Dallas 7 5/12 hours.

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Find the regression equation, letting the first variable be the predictor (x) variable. Find the best predicted Nobel Laureate rate for a country that has 78.2 Internet users per 100 people. How does it compare to the country's actual Nobel Laureate rate of 1.6 per 10 million people? LOADING... Click the icon to view the data. Find the equation of the regression line. y=nothing+(nothing)x (Round the constant to one decimal place as needed. Round the coefficient to three decimal places as needed.) The best predicted number of Nobel Laureates when the number of internet users per 100 is 78.2 is nothing. (Round to one decimal place as needed.)How does it compare to the country's actual Nobel Laureate rate of 1.6 per 10 million people? A. The best predicted value is very close to the actual Nobel Rate. B. The best predicted value is not at all close to the actual Nobel Rate. C. The best predicted value is the opposite of the actual Nobel Rate. D. The best predicted value is equal to the actual Nobel Rate.

Answers

Answer: the answe is not at all close to the actual Nobel rate.

Step-by-step explanation:

in the last question, we determined the equilibrium point for the supply and demand functions given below to be (1600,80). given this, find the consumer surplus at that point. round your answer to the nearest cent if necessary and do not include the dollar sign. p=D(x)=3200/ √x, p=S(x)=2√ z

Answers

To find the consumer surplus at the equilibrium point (1600, 80), we need to integrate the demand function from 0 to 1600 and subtract it from the equilibrium price of $80.

Consumer surplus = ∫[0,1600] D(x) dx - (equilibrium price)

First, let's find the demand function:

D(x) = 3200/√x

Now, we can integrate the demand function from 0 to 1600:

∫[0,1600] D(x) dx = ∫[0,1600] 3200/√x dx = 2(3200)√x ∣∣∣0 to 1600

= 2(3200)√1600 - 2(3200)√0

= 2(3200)(40) - 0

= 256000

So, the consumer surplus at the equilibrium point is:

Consumer surplus = 256000 - 80 = $255920

Therefore, the consumer surplus at the equilibrium point is $255920.

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Find the area of the figure.

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the answer is 154 mm²

we basically have to do the area for the first tri then the rectangle then the other tri and add them

Answer:

154

Step-by-step explanation:

I can't give the solution process, I just figure it out in my mind.

how many outcomes are possible if we know that amy finished ahead of bob and bob finished ahead of charlie?

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There are only three possible outcomes that satisfy the condition that Amy finished ahead of Bob and Bob finished ahead of Charlie: Amy, Bob, Charlie or Amy, Charlie, Bob, and Bob, Amy, Charlie.

In a competition involving only three people, there are six possible ways they can finish: ABC, ACB, BAC, BCA, CAB, and CBA. However, in this particular scenario, we know that Amy finished ahead of Bob and Bob finished ahead of Charlie. This means that Amy cannot finish last and Charlie cannot finish first, since Bob is in the middle.

If Amy finished first, then there are only two possibilities for the order of finish: Amy, Bob, Charlie or Amy, Charlie, Bob.

If Bob finished first, then there is only one possibility for the order of finish: Bob, Amy, Charlie.

If Charlie finished first, then there are no possibilities that satisfy the condition that Amy finished ahead of Bob and Bob finished ahead of Charlie.

Therefore, there are only three possible outcomes that satisfy the condition that Amy finished ahead of Bob and Bob finished ahead of Charlie: Amy, Bob, Charlie or Amy, Charlie, Bob, and Bob, Amy, Charlie.

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Find dy/by implicit differentiation, given that x^2y– 7y7 =-5. Your answer could involve both I and y. Enclose numerators and denominators in parentheses. For example, (a - b)/(1+n). dy/dx = _____

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To find dy/dx by implicit differentiation, we need to use the chain rule and product rule. Let's first differentiate both sides of the given equation with respect to x.
d/dx ([x^{2}[/y – 7y^7) = d/dx (-5)

Applying the product rule, we get:
(2xy + x^2(dy/dx)) - 7(7y^6)(dy/dx) = 0

Simplifying and rearranging, we get:
dy/dx = (-2xy)/(x^2 - 49y^6)

Therefore, dy/dx involves both x and y. To enclose numerators and denominators in parentheses, we can write the final answer as:
dy/dx = (-2xy)/((x^2) - (49y^6))

In simpler terms, the rate of change of y with respect to x is equal to -2xy divided by the difference between x squared and 49y to the power of 6.

Implicit differentiation is a useful tool when we cannot directly isolate y in terms of x in an equation. By using differentiation rules, we can still find the rate of change of y with respect to x. In this case, we have found the derivative of y with respect to x in terms of x and y, given an implicit equation.

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Cómo resuelvo este problema?

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According to the information, the company should produce 160 tables per week to maximize profits.

How to calculate the number of tables the company should produce per week to maximize profits?

To find the number of tables the company should produce per week to maximize profits, we need to first determine the revenue and cost functions.

The revenue function is simply the product of the number of tables produced and the price per table:

Revenue = 400x

The cost function is given as:

Cost = x^2 + 80x + 3000

To find the profit function, we subtract the cost from the revenue:

Profit = Revenue - Cost

= 400x - (x^2 + 80x + 3000)

= -x^2 + 320x - 3000

To maximize profits, we need to find the value of x that corresponds to the vertex of the parabolic profit function. Since the coefficient of the x^2 term is negative, the vertex will be a maximum.

The x-coordinate of the vertex can be found using the formula:

x = -b / 2a

where a = -1, b = 320, and c = -3000 (from the profit function). Substituting the values, we get:

x = -320 / (2(-1))

= 160

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rolling two dice if two dice are rolled one time, find the probability of getting these results: a. A sum of 6 b. Doubles c. A sum of 7 or 11 d. A sum greater than 9 e. A sum less than or equal to 4

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The probability of getting a sum of 6 is 5/36, of doubles is 1/6, of a sum of  7 or 11 is 2/9, of a sum of greater than 9 is 1/6 and of a sum less than or equal to 4 is 5/36.

When rolling two dice, there are 6 x 6 = 36 possible outcomes, since each die has 6 possible outcomes. We can use this fact to find the probability of getting the desired outcomes:

a. A sum of 6:

There are five possible ways to get a sum of 6: (1,5), (2,4), (3,3), (4,2), (5,1). The probability of getting a sum of 6 is therefore 5/36.

b. Doubles:

There are six possible ways to get doubles: (1,1), (2,2), (3,3), (4,4), (5,5), and (6,6). The probability of getting doubles is therefore 6/36 or 1/6.

c. A sum of 7 or 11:

To get a sum of 7, we can have the following outcomes: (1,6), (2,5), (3,4), (4,3), (5,2), or (6,1). To get a sum of 11, we must get (5,6) or (6,5). Therefore, there are 6 + 2 = 8 possible ways to get a sum of 7 or 11. The probability of getting a sum of 7 or 11 is therefore 8/36 or 2/9.

d. A sum greater than 9:

To get a sum greater than 9, we can have the following outcomes: (4,6), (5,5), (5,6), (6,4), (6,5), or (6,6). There are six possible outcomes that satisfy this condition, so the probability of getting a sum greater than 9 is 6/36 or 1/6.

e. A sum less than or equal to 4:

To get a sum less than or equal to 4, we can have the following outcomes: (1,1), (1,2), (2,1), or (1,3), (3,1). There are five possible outcomes that satisfy this condition, so the probability of getting a sum less than or equal to 4 is 5/36.

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implement a one bit full adder using a 74x138 binary decoder high enable

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To implement a one-bit full adder using a 74x138 binary decoder with high enable, you would follow these steps:

1. Connect the 74x138 binary decoder's inputs (A0, A1, A2) to the inputs of the full adder (A, B, and Cin).
2. Connect the high enable input (G1) to ground (LOW) and G2A and G2B to Vcc (HIGH).
3. Create an OR gate using diodes/resistors, with inputs from the decoder outputs (Y0, Y2, and Y4) for Sum.
4. Create another OR gate using diodes/resistors, with inputs from the decoder outputs (Y3 and Y7) for Cout.
5. Connect the OR gate outputs to the full adder outputs (Sum and Cout).

In this configuration, the 74x138 binary decoder decodes the input combinations into 8 output lines. The full adder adds binary digits A, B, and Cin (carry-in) to produce a Sum and Cout (carry-out) result.

The decoder's output lines, which represent different combinations of A, B, and Cin, are combined using OR gates to obtain the desired Sum and Cout values. The high enable feature ensures that the decoder is active and functional during the process.

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What is the transfer function of low pass filter?

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The transfer function of a low pass filter is a mathematical expression that describes the relationship between the input and output signals of a filter.

What is function?

Function is a rule that assigns a unique output for each input of a given set of inputs. A function can be expressed mathematically, as in y = f(x), where f is the function and x is the input. Functions can also be expressed in programming, where they take the form of commands that take an input and produce an output. Functions are essential to computing and are used to perform a wide variety of tasks.

It is usually expressed in terms of frequency, and the output signal is a function of the frequency of the input signal. The transfer function can be written as a ratio of two polynomials in the frequency domain.

In a low pass filter, the transfer function is designed to pass low-frequency signals and block high-frequency signals. This is achieved by designing the filter to attenuate (reduce) the amplitude of high-frequency signals, while not significantly affecting the amplitude of low-frequency signals. The transfer function of a low pass filter takes the form of a roll-off curve, where the rate of attenuation gets steeper at higher frequencies.

The transfer function of a low pass filter is typically used to model the behavior of a physical filter, such as an RC circuit or a digital filter. It can also be used to analyze the frequency response of a system, such as a speaker system or a microphone. The transfer function can be used to optimize the design of a filter for a particular application.

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The magnitude of the motional electromotive force (emf) induced in the rod can be determined using the equation e = B * L * v, where B is the magnetic field strength, L is the length of the rod, and v is the velocity of the rod relative to the magnetic field.

When a conducting rod moves through a magnetic field, an emf is induced in the rod due to the interaction between the magnetic field and the moving charges in the conductor. The magnitude of this motional emf can be calculated using the equation e = B * L * v, where B is the strength of the magnetic field, L is the length of the rod perpendicular to the magnetic field, and v is the velocity of the rod relative to the magnetic field.

The motional emf is directly proportional to the magnetic field strength, the length of the rod, and the velocity at which the rod moves through the magnetic field. As any of these parameters increase, the magnitude of the induced emf will also increase. It is important to note that the direction of the induced emf is determined by the direction of the velocity and the magnetic field.

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Find the 3-volume of the 3-parallelepiped defined by the vectors(1) (1) (1)0 1 20 1 30 1 4

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The volume of the parallelepiped defined by the vectors(1) (1) (1)0 1 20 1 30 1 4 is 3 cubic units.

The volume of a parallelepiped in three-dimensional space is given by the scalar triple product of its defining vectors.

In this case, the three vectors defining the parallelepiped are:

a = (1, 1, 1)

b = (0, 1, 2)

c = (0, 1, 3)

The scalar triple product of these vectors is:

a · (b × c)

where × denotes the cross product.

We can calculate the cross product of b and c as follows:

b × c = (1)(2) - (1)(3), -(0)(3) - (1)(0), (0)(1) - (2)(1) = (-1, 0, -2)

So the scalar triple product is:

a · (b × c) = (1)(-1) + (1)(0) + (1)(-2) = -3

Hence the volume of parallelepiped is 3 units.

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