Frank needs to pay $233.10 for each installment.
How much per installment for refrigerator?To determine how much Frank still owes on the refrigerator after paying the down payment. We can subtract the down payment from the total cost of the refrigerator:
Total cost of refrigerator = $1036
Down payment = $103.60
Amount owed = Total cost of refrigerator - Down payment
Amount owed = $1036 - $103.60
Amount owed = $932.40
Next, we need to determine how much Frank will pay for each installment. Since he will pay the remaining balance in 4 equal installments, we can divide the amount owed by 4:
Amount owed = $932.40
Number of installments = 4
Amount per installment = Amount owed / Number of installments
Amount per installment = $932.40 / 4
Amount per installment = $233.10
Therefore, Frank needs to pay $233.10 for each installment to fully pay off the refrigerator. By breaking down the cost into smaller payments, Frank can manage his budget more effectively and avoid the burden of making a large payment all at once.
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A doctor saw 8 patients a day for 7 days. How many patiencents did he see altogether
The doctor saw 56 patients altogether during the 7 days.
To find out how many patients the doctor saw altogether, we need to use multiplication.
Identify the number of patients seen per day (8 patients).
Identify the number of days the doctor worked (7 days).
Multiply the number of patients per day by the number of days worked.
8 patients/day × 7 days = 56 patients.
The doctor saw 8 patients per day for 7 days, so the total number of patients he saw in a week is
Therefore, the doctor saw a total of 56 patients in 1 week.
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Ralph has a cylindrical container of parmesan cheese. The diameter of the base of the container is 2. 75 inches, and the height is 6 inches. What is the area of a horizontal cross section of the cylinder to the nearest tenth of a square inch? Use 3. 14 for π
The area of a horizontal cross-section of the cylinder whose diameter is 2.75 inches and height is 6 inches is 5.9 inch².
Diameter of the base of the container = 2.75 inch
Height of the cylinder = 6 inch
Area of a horizontal cross-section of the cylinder = πr²
Here, r = radius of the container
Radius = Diameter/2
Radius = 2.75/2
Radius = 1.375
Area of the horizontal cross-section of the cylinder = 3.14 × 1.375 × 1.375
Area = 5.9365625
Area of the horizontal cross- section of the cylinder to the nearest tenth is 5.9
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A pack of 24 crayons costs the manufacturer $0.05 to make and is sold to the stores for $0.25. the stores sell the crayons for $0.50 during back to school week.
1.an equation that represents the mark up cost by the manufacturer is
a.p(c)=2c
b.p(c)=5c
c.p(c)=10c
2.an equation that represents the store mark up cost is
a.s(p)=2p
b.s(p)=5p
c.s(p)=10p
3.a composition of these two functions is
a.s(p(c))=2c
b.s(p(c))=10c
c.s(p(c))=5c
4.it represents
a.the total markup from cost to sales price
b.how much the store profits from the sale
c.how much money the manufacturer makes
a. s(p)=2p b. p(c)=5c c. s(p(c))=5c a. The total markup from cost to sales price.
How are the mark-up costs and profits determined in the pricing of the crayons?The equation that represents the mark-up cost by the manufacturer is c. p(c) = 10c. This equation implies that the manufacturer adds a mark-up of 10 times the cost to determine the selling price of the crayons.The equation that represents the store mark-up cost is b. s(p) = 5p. This equation implies that the store adds a mark-up of 5 times the cost price (or the price they purchase from the manufacturer) to determine the selling price during back-to-school week.The composition of these two functions is c. s(p(c)) = 5c. This equation represents that the store applies their mark-up (5 times the cost) to the manufacturer's selling price (10 times the cost) to determine the final selling price of the crayons.It represents a. the total mark-up from cost to sales price. This composition equation shows how both the manufacturer and the store contribute to the mark-up, resulting in the final selling price of the crayons. It accounts for the mark-up at each stage of the distribution process, from the manufacturer to the store.Learn more about manufacturer
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The distance between two cities is 180 kilometers. There are approximately 8 kilometers in 5 miles.
Which measurement is closest to the number of miles between these two cities?
The measurement which is closest to the number of miles between these two cities is 113 miles.
Given the distance between two cities is 180 kilometers.
If there are approximately 8 kilometers in 5 miles, we can use this conversion factor to convert 180 kilometers to miles, then one kilometer is approximately equal to 5/8 miles (0.625 miles).
To find the number of miles between the two cities, we can convert 180 kilometers to miles by multiplying by the conversion factor:
180 kilometers × (5/8 miles per kilometer) ≈ 112.5 miles = approximately 113 miles
Therefore, the closest measurement to the number of miles between these two cities is approximately 113 miles.
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What is the area of a 125 degree sector for a circle with a radius of 12 m, rounded to the nearest whole number
The area of the 125 degree sector for a circle with a radius of 12 m is approximately 158 square meters.
To find the area of a 125 degree sector of a circle with a radius of 12 m, we need to use the formula for the area of a sector:
Area of sector = (θ/360) x πr², where θ is the central angle of the sector, r is the radius of the circle, and π is a constant equal to approximately 3.14.
Substituting the given values, we get: Area of sector = (125/360) x π x 12² = (0.3472) x π x 144 = 158.03
Rounding to the nearest whole number, we get the area of the sector as 158 square meters. Therefore, the area of the 125 degree sector for a circle with a radius of 12 m is approximately 158 square meters.
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Use the Picard-Lindeloef iteration to find the first few elements of a sequence {yn}n=0 of approximate solutions to the initial value problem y(t) = 5y(t)+1, y(0) = 0
To use the Picard-Lindelöf iteration to find a sequence of approximate solutions to the initial value problem y'(t) = 5y(t) + 1, y(0) = 0, we start with the initial approximation y_0(t) = 0. Then, for each n ≥ 0, we define y_{n+1}(t) to be the solution to the initial value problem y'(t) = 5y_n(t) + 1, y_n(0) = 0. In other words, we plug the previous approximation y_n into the right-hand side of the differential equation and solve for y_{n+1}.Using this procedure, we can find the first few elements of the sequence {y_n} as follows:y_0(t) = 0y_1(t) = ∫ (5y_0(t) + 1) dt = ∫ 1 dt = ty_2(t) = ∫ (5y_1(t) + 1) dt = ∫ (5t + 1) dt = (5/2)t^2 + ty_3(t) = ∫ (5y_2(t) + 1) dt = ∫ (5(5/2)t^2 + 5t + 1) dt = (25/6)t^3 + (5/2)t^2 + tTherefore, the first few elements of the sequence {y_n} are y_0(t) = 0, y_1(t) = t, y_2(t) = (5/2)t^2 + t, and y_3(t) = (25/6)t^3 + (5/2)t^2 + t.
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To use the Picard-Lindelöf iteration method to find the first few elements of a sequence {y_n} of approximate solutions to the initial value problem y'(t) = 5y(t) + 1, y(0) = 0, we first set up the integral equation for the iteration:
y_n+1(t) = y(0) + ∫[5y_n(s) + 1] ds from 0 to t
Since y(0) = 0, the equation becomes:
y_n+1(t) = ∫[5y_n(s) + 1] ds from 0 to t
Now, let's calculate the first few approximations:
1. For n = 0, we start with y_0(t) = 0:
y_1(t) = ∫[5(0) + 1] ds from 0 to t = ∫1 ds from 0 to t = s evaluated from 0 to t = t
2. For n = 1, use y_1(t) = t:
y_2(t) = ∫[5t + 1] ds from 0 to t = 5/2 s^2 + s evaluated from 0 to t = 5/2 t^2 + t
3. For n = 2, use y_2(t) = 5/2 t^2 + t:
y_3(t) = ∫[5(5/2 t^2 + t) + 1] ds from 0 to t = ∫(25/2 t^2 + 5t + 1) ds from 0 to t = 25/6 t^3 + 5/2 t^2 + t
These are the first few elements of the sequence {y_n} of approximate solutions to the initial value problem using the Picard-Lindelöf iteration method.
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What is the probability of drawing a diamond or a spade card from a standard deck of cards and rolling a 2 on a six-sided die?
10. 7%
25%
8. 3%
04. 2%
The probability of drawing a diamond or a spade card from a standard deck of cards and rolling a 2 on a six-sided die is 8.33%
To calculate the probability of drawing a diamond or a spade card from a standard deck of cards, we need to find the total number of diamond and spade cards in the deck. There are 13 cards in each suit, so there are 26 diamond and spade cards in total. The deck has 52 cards in total, so the probability of drawing a diamond or a spade card is:
P(diamond or spade) = 26/52 = 1/2 = 50%
To calculate the probability of rolling a 2 on a six-sided die, we need to find the total number of possible outcomes, which is 6 (since there are 6 sides on the die), and the number of favorable outcomes, which is 1 (since there is only one face with a 2 on it). Therefore, the probability of rolling a 2 on a six-sided die is:
P(rolling a 2) = 1/6 = 16.67%
To find the probability of both events happening together (drawing a diamond or a spade card and rolling a 2 on a six-sided die), we multiply the probabilities of each event:
P(diamond or spade AND rolling a 2) = P(diamond or spade) * P(rolling a 2)
= 50% * 16.67%
= 8.33%
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If November 30 falls on a Sunday, then December 25 of that same year falls on which day of the week? (November has 30 days)
Step-by-step explanation:
Three weeks would be the 21st and would be Sunday too, then
22 Mon
23 Tues
24 Wed
25 Thur
Stephen has a counter that is orange on one side and brown on the other. The counter is shown below: A circular counter is shown. The top surface of the counter is shaded in a lighter shade of gray and Orange is written across this section. The bottom section of the counter is shaded in darker shade of gray and Brown is written across it. Stephen flips this counter 24 times. What is the probability that the 25th flip will result in the counter landing on orange side up? fraction 24 over 25 fraction 1 over 24 fraction 1 over 4 fraction 1 over 2
The probability that the 25th flip will result in the counter landing on orange side up is fraction 1 over 2. The correct answer is D.
The probability of an event occurring is calculated by dividing the number of favorable outcomes by the total number of possible outcomes. In this case, Stephen has flipped the counter 24 times and he wants to know the probability of getting an orange side up on the 25th flip.
Since the counter has two sides - orange and brown, the probability of landing on the orange side is 1/2 or 0.5.
Each flip of the counter is independent of the others, so the previous flips do not affect the outcome of the 25th flip. Therefore, the probability of the 25th flip landing on the orange side up is still 1/2 or 0.5. The correct answer is D.
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Find the measure of ZB b 60⁰
Answer: b = 30°
Step-by-step explanation:
The little square represents a 90-degree angle.
90° - 60° = b
30° = b
b = 30°
Multiply (x-4)(x+5) Show your work in the box and enter your answer in the spot below: (No work loses points)
The solution to the expression is x² + x - 20
How to calculate the expression?(x-4)(x+5)
open the bracket
x² + 5x - 4x - 20
x² + x - 20
Hence the solution to the expression leads to quadratic equation which is written is x² + x -20
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The weekly demand for wireless mice manufactured by Insignia Consumer Electronic
Products group is given by
p(x) = -0.005x + 60, where p denotes the unit price in dollars and x denotes the quantity demanded. The weekly cost
function associated with producing these wireless mice is given by
C(x) = -0.001x^2 + 18x + 4000
Where C(x) denotes the total cost in dollars incurred in pressing x wireless mice (a) Find the production level that will yield a maximum revenue for the manufacturer. What will
be maximum revenue? What price the company needs to charge at that level? (b) Find the production level that will yield a maximum profit for the manufacturer. What will be
maximum profit? What price the company needs to charge at that level?
The production level that will yield maximum revenue is 6000 units, the maximum revenue is $180,000, and the price the company needs to charge at that level is $30. The production level that will yield maximum profit is 5250 units, the maximum profit is $59,250, and the price the company needs to charge at that level is $37.25.
To find the production level that will yield maximum revenue, we need to determine the quantity demanded that maximizes the revenue. The revenue function is given by
R(x) = xp(x) = x(-0.005x + 60) = -0.005x^2 + 60x
To find the maximum value of R(x), we need to take the derivative of R(x) and set it equal to zero
R'(x) = -0.01x + 60 = 0
x = 6000
So the production level that will yield maximum revenue is 6000 units.
To find the maximum revenue, we can plug this value into the revenue function
R(6000) = -0.005(6000)^2 + 60(6000) = $180,000
To find the price the company needs to charge at that level, we can plug the production level into the demand function
p(6000) = -0.005(6000) + 60 = $30
To find the production level that will yield maximum profit, we need to determine the quantity that maximizes the profit function. The profit function is given by
P(x) = R(x) - C(x) = -0.005x^2 + 60x - (-0.001x^2 + 18x + 4000) = -0.004x^2 + 42x - 4000
To find the maximum value of P(x), we need to take the derivative of P(x) and set it equal to zero
P'(x) = -0.008x + 42 = 0
x = 5250
So the production level that will yield maximum profit is 5250 units.
To find the maximum profit, we can plug this value into the profit function
P(5250) = -0.004(5250)^2 + 42(5250) - 4000 = $59,250
To find the price the company needs to charge at that level, we can plug the production level into the demand function
p(5250) = -0.005(5250) + 60 = $37.25
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In triangle ABC, segment DE is parallel to segment AC and thus, triangle BED is similar to triangle BCA.
A. ) use the ratios of the lengths of corresponding sides to create a proportion
B. ) Solve for x
A. The proportion we can set up is: c/a = d/b, and B. x = (c * b) / a. This gives us the value of x in terms of the lengths of the other segments.
A) The corresponding sides in similar triangles are proportional, so we can use this fact to set up a proportion between the sides of triangles BED and BCA. Let's call the length of segment BC "a", the length of segment AC "b", the length of segment BE "c", and the length of segment DE "d".
The proportion we can set up is:
c/a = d/b
This is because we know that triangle BED is similar to triangle BCA, so the ratio of the lengths of their corresponding sides must be the same.
B) We can now use the proportion to solve for x, which is the length of segment DE. We can start by cross-multiplying the proportion:
c * b = d * a
Then, we can isolate for x by dividing both sides by the coefficient of x:
x = (c * b) / a
This gives us the value of x in terms of the lengths of the other segments.
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Let (x) = -x^4 -8x^3 +6x - 2. Find the open intervals on which is concave up (down). Then determine the x-coordinates of all inflection points a f.
The x-coordinates of all inflection points a f of the function[tex]f(x) = -x^4 - 8x^3 + 6x - 2[/tex]are (-4, f(-4)) and (0, f(0)).
To find the intervals of concavity and the inflection points of the function[tex]f(x) = -x^4 - 8x^3 + 6x - 2,[/tex] we need to find the second derivative and analyze its sign.
First, we find the first derivative:
[tex]f'(x) = -4x^3 - 24x^2 + 6[/tex]
Then, we find the second derivative:
[tex]f''(x) = -12x^2 - 48x[/tex]
To determine the intervals of concavity, we need to find where f''(x) is positive or negative.
[tex]f''(x) = -12x^2 - 48x = -12x(x + 4)[/tex]
f''(x) is negative for x < -4 and x > 0, and positive for -4 < x < 0.
Therefore, the function f(x) is concave down on the intervals (-∞, -4) and (0, ∞), and concave up on the interval (-4, 0).
To find the inflection points, we need to find where the concavity changes. This occurs at x = -4 and x = 0.
At x = -4, the function changes from concave down to concave up. Therefore, (-4, f(-4)) is an inflection point.
At x = 0, the function changes from concave up to concave down. Therefore, (0, f(0)) is also an inflection point.
Thus, the inflection points of f(x) are (-4, f(-4)) and (0, f(0)).
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Find the positive solution, to the nearest tenth, of f(x)
g(x) = -2x + 25.
X≈
Submit
= g(x), where f(x) = 3* - 2 and
The result will be the x value when the difference between the values of f(x) and g(x) is less than 0.1, which will be the positive solution to the nearest tenth of f(x)=g(x).
To find the positive solution, to the nearest tenth, of f(x)=g(x) using Cora's process, the steps are as follows:
Input the initial value of x,if x=0.
Calculate f(x) and g(x):
f(x) = x² - 8 = 0 - 8 = -8
g(x) = 2x - 4 = 0 - 4 = -4
If f(x) is less than g(x), then x should be increased and vice versa.
Increase or decrease x accordingly and calculate the new values of f(x) and g(x).
Keep repeating steps 3 and 4 until the difference between the values of f(x) and g(x) is less than 0.1.
Hence, the result will be the x value when the difference between the values of f(x) and g(x) is less than 0.1, which will be the positive solution to the nearest tenth of f(x)=g(x).
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Cora is using successive approximations to estimate a positive solution to f(x) = g(x), where f(x)=x2 - 8 and g(x)=2x - 4. The table shows her results for different input values of x. Use Cora's process to find the positive solution, to the nearest tenth, of f(x) = g(x)
A sphere has a radius of 12 cm. a cylinder has the same radius and has a height of 12 cm. what is the difference in their volumes in cubic cm? record your answer to the nearest hundredth. use 3.14
The difference in volumes between the sphere and the cylinder is approximately 3619.14 cubic cm.
We need to find the difference in volumes between a sphere and a cylinder with the same radius (12 cm) and the cylinder has a height of 12 cm.
Step 1: Find the volume of the sphere.
The formula for the volume of a sphere is V_sphere = (4/3)πr³.
V_sphere = (4/3) × 3.14 × (12 cm)³
V_sphere = (4/3) × 3.14 × 1728 cm³
V_sphere ≈ 9047.78 cm³
Step 2: Find the volume of the cylinder.
The formula for the volume of a cylinder is V_cylinder = πr²h.
V_cylinder = 3.14 × (12 cm)² × 12 cm
V_cylinder = 3.14 × 144 cm² × 12 cm
V_cylinder ≈ 5428.64 cm³
Step 3: Find the difference in volumes.
Difference = V_sphere - V_cylinder
Difference = 9047.78 cm³ - 5428.64 cm³
Difference ≈ 3619.14 cm³
The difference in volumes between the sphere and the cylinder is approximately 3619.14 cubic cm.
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PLEASE HELP I NEED HELP QUICK!!!
There are 720 different arrangements of the six children possible when Ben can't sit next to Dan.
There are 720 different arrangements of the six children possible.
The key to solving this problem is to recognize the fact that there are six children and six chairs, so each child has one and only one chair. This means that for each position in the row, one child must be placed in the chair.
To solve this problem we can use the permutation formula for "n objects taken r at a time without repetition," which is: n!/(n-r)!
In this case, n is 6 (the number of children) and r is 6 (the number of chairs). So, 6!/(6-6)! = 6!/(0!) = 6!/1 = 6! = 720.
Therefore, there are 720 different arrangements of the six children possible when Ben can't sit next to Dan.
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A circumscribed angle is an angle whose sides are to a circle
A circumscribed angle is an angle whose sides are tangent to a circle. In other words, the angle is formed by two intersecting chords of the circle. The vertex of the angle is located outside of the circle, while the two endpoints of the angle lie on the circle.
Circumscribed angles have some important properties in geometry. For example, the measure of a circumscribed angle is half the measure of its intercepted arc (the arc of the circle that lies inside the angle). Additionally, if two angles intercept the same arc of a circle, they are congruent.
Circumscribed angles also appear frequently in trigonometry, where they are used to define the sine, cosine, and tangent functions. The sine of a circumscribed angle is defined as the ratio of the length of the opposite side of the angle to the length of the circle's radius. The cosine of a circumscribed angle is defined as the ratio of the length of the adjacent side of the angle to the length of the radius.
Finally, the tangent of a circumscribed angle is defined as the ratio of the length of the opposite side to the length of the adjacent side.
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A circular flower garden surrounds a sculpture on a square base as show being 6x and 4x. What is an expression for the area of the flower garden
A circular flower garden surrounds a sculpture on a square base as show being 6x and 4x. The expression for the area of the flower garden is π(26x - 12√2x).
Find the expression for the area of the flower garden, we need to first find the area of the square base.
The area of a square is calculated by multiplying the length of one side by itself. In this case, the length of one side is 4x, so the area of the square base is (4x)^2 = 16x^2.
Next, we need to find the area of the circular flower garden that surrounds the square base.
Since the flower garden is circular, we use the formula for the area of a circle, which is A = πr^2, where A is the area and r is the radius.
The radius of the flower garden is the distance from the center of the circle to any point on the circumference.
Since the flower garden surrounds the square base, we can find the radius by subtracting the side length of the square base from the diameter of the circle.
The diameter of the circle is equal to the diagonal of the square base, which is √(6x)^2 + (6x)^2 = √72x^2 = 6√2x. Therefore, the radius of the flower garden is (6√2x - 4x)/2 = (3√2x - 2x).
Now we can substitute this expression for the radius into the formula for the area of a circle to find the area of the flower garden: A = π(3√2x - 2x)^2 = π(18x - 12√2x + 8x) = π(26x - 12√2x).
Therefore, the expression for the area of the flower garden is π(26x - 12√2x).
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how many vertices has a cuboid
Answer: 8
Step-by-step explanation:
Use two unit multipliers to convert
54 square feet to square yards.
When we convert the given 54 square feet into square yards we get 6 square yards by using two unit multipliers to convert.
A fraction that equals 1 and is used to convert one set of units to another one is a unit multiplier. The fraction numerator and denominator contain equivalent measurements in different units.
We need to convert the 54 square feet to square yards by using two unit multipliers. by using the two-unit multipliers
given standards :
1 yard = 3 feet
1 square yard = 9 square feet
To convert the 54 square feet to square yards we need to multiply 54 square feet by two unit multipliers which are (1 yard / 3 feet) and (1 yard / 3 feet). Then the equation can be written as:
= 54 square feet × (1 yard / 3 feet) × (1 yard / 3 feet)
= 6 square yards
Therefore, 54 square feet is equal to 6 square yards.
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D(x) is the price, in dollar per unit, that the consumers are willing to pay for x units of an item, and S(x) is the price, in dollars per unit, that producers are willing to accept for x units. Find (a) the equilibrium point, (b) the consumer surplus at the equilibrium point, and (c) the producer surplus at the equilibrium point.
D(x)=(x-7)^2, S(x)=x^2+2x+33
Find:
A) The equilibrium point
B) The consumer surplus at the equilibrium point
C) The producer surplus at the equilibrium point
32/9
So the producer surplus at the equilibrium point is 32/9 dollars.
To find the equilibrium point, we need to set D(x) equal to S(x) and solve for x:
(x-7)^2 = x^2 + 2x + 33
Expanding and simplifying:
x^2 - 14x + 49 = x^2 + 2x + 33
12x = 16
x = 4/3
So the equilibrium point is x = 4/3.
To find the consumer surplus at the equilibrium point, we need to find the difference between the maximum price consumers are willing to pay (D(4/3)) and the equilibrium price (S(4/3)) and multiply by the quantity sold (4/3):
Consumer surplus = (D(4/3) - S(4/3)) * (4/3)
= [(4/3 - 7)^2 - (4/3)^2 - 2(4/3) - 33] * (4/3)
= [49/9 - 16/9 - 8/3 - 33] * (4/3)
= -224/27
So the consumer surplus at the equilibrium point is -224/27 dollars.
To find the producer surplus at the equilibrium point, we need to find the difference between the equilibrium price (S(4/3)) and the minimum price producers are willing to accept (S(0)) and multiply by the quantity sold (4/3):
Producer surplus = (S(4/3) - S(0)) * (4/3)
= [(4/3)^2 + 2(4/3) + 33 - 33] * (4/3)
= 32/9
So the producer surplus at the equilibrium point is 32/9 dollars.
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PLEASE ANSWER PLEASE PLEASE DUE IN 8 MINS PLEASE
“The window has the shape of a kite. How many square meters of glass were used to make the window?”
The area of glass value is 0.18 square meters.
The longer diagonal of the kite-shaped window has a measure of 25 cm + 35 cm = 60 cm.
The shorter diagonal has a measure of 30 cm + 30 cm = 60 cm as well.
To find the area of the window, we can use the formula -
Area = (1/2) × d1 × d2
where d1 and d2 are the lengths of the longer and shorter diagonals, respectively.
Substituting the values, we get -
Area = (1/2) × 60 cm × 60 cm
Area = 1800 square cm
However, the question asks for the area in square meters, so we need to convert square centimeters to square meters by dividing by 10,000 -
Area = 1800 / 10,000 square meters
Area = 0.18 square meters
Therefore, the area of glass value is 0.18 square meters.
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What is the lateral area of the cone to the nearest whole number? The figure is not drawn to scale.
*
Captionless Image
34311 m^2
18918 m^2
15394 m^2
28742 m^2
The lateral area of the cone is 18918 m²
How to find the lateral area of the cone?
The lateral area of the cone can be determined using the formula:
A[tex]_{L}[/tex] = πrL
Where is the r is the radius of circular base of the cone and L is the slant height
In this case:
r = 140/2 = 70m
L = √(50² + 70²) (Pythagoras theorem)
L = 10√74 m
A[tex]_{L}[/tex] = π * 70 * 10√74
A[tex]_{L}[/tex] = 18918 m²
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The force on a particle is described by 8x^3-5 at a point s along the z-axis. Find the work done in moving the particle from the origin to x = 4.
The work done in moving the particle from the origin to x = 4 under the influence of the force F (x) = 8[tex]x^3[/tex]-5 is 492 units of work.
The work done in moving a particle along a path under the influence of a force, we use the work-energy principle.
This principle states that the work done on a particle by a force is equal to the change in the particle's kinetic energy.
Mathematically this can be expressed as:
W = ΔK
Where
W is the work done,
ΔK is the change in kinetic energy and
Both are scalar quantities.
The work done by a force on a particle along a path is given by the line integral:
W = ∫ C F · ds
Where,
C is the path,
F is the force,
ds is the differential displacement along the path and denotes the dot product.
In the case where the force is a function of position only (i.e., F = F(x,y,z)), we can evaluate the line integral using the parametric equations for the path.
If the path is given by the parameterization r(t) = <x(t), y(t), z(t)>, then we have:
W = ∫ [tex]a^b[/tex] F(r(t)) · r'(t) dt
The work done in moving the particle from the origin to a final position at x = 4. We can evaluate the work done using the definite integral of the force from x = 0 to x = 4, as shown in the solution.
The initial kinetic energy is zero.
The work done by the force in moving the particle from x = 0 to x = 4 is given by the definite integral:
W = ∫ F(x) dx
Substituting the given expression for the force, we have:
W = ∫0 (8x - 5) dx
Integrating with respect to x, we have:
W = [(2x - 5x)]_0
W = (2(4) - 5(4)) - (2(0) - 5(0))
W = 512 - 20
W = 492
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the following table shows the number of miles a hiker walked on a trail each day for 6 days. day 1 2 3 4 5 6 number of miles 8 5 7 2 9 8 what was the mean number of miles the hiker walked for the 6 days? responses 3.5 3.5 4.5 4.5 6.5 6.5 7.5 7.5 8
The mean number of miles the hiker walked for the 6 days was 6.5 miles.
To calculate the mean or average of a set of numbers, we add up all the numbers and then divide the sum by the number of items in the set. In this case, we have the number of miles the hiker walked on each of the six days. To find the total number of miles the hiker walked, we simply add up all the numbers
8 + 5 + 7 + 2 + 9 + 8 = 39
Next, we divide the total number of miles by the number of days (which is 6) to get the average or mean number of miles the hiker walked per day:
Mean number of miles = Total number of miles / Number of days
= 39 / 6
= 6.5
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Consider the graph of the linear function h(x) = –x + 5. Which could you change to move the graph down 3 units?
the value of b to –3
the value of m to –3
the value of b to 2
the value of m to 2
The change to move the graph down 3 units is given as follows:
the value of b to 2.
How to define a linear function?The slope-intercept representation of a linear function is given by the equation presented as follows:
y = mx + b
The coefficients of the function and their meaning are described as follows:
m is the slope of the function, representing the change in the output variable y when the input variable x is increased by one.b is the y-intercept of the function, which is the initial value of the function, i.e., the numeric value of the function when the input variable x assumes a value of 0. On a graph, it is the value of y when the graph of the function crosses the y-axis.The function in this problem is given as follows:
y = -x + 5.
Moving the graph down 3 units, we subtract by three, hence:
y = -x + 5 - 3
y = -x + 2.
Meaning that the value of b is of b = 2.
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The perimeter of an isosceles triangle is 51 in. One side is 18 in and another is 15 in. What is the length of the missing side?
The length of the missing side is equal to 18 inches.
How to calculate the perimeter of this triangle?In Mathematics and Geometry, the perimeter of a triangle can be calculated by using this mathematical equation:
P = a + b + c
Where:
P represents the perimeter of a triangle.a, b, and c represents the side lengths of a triangle.By substituting the given parameters or dimensions into the formula for the perimeter of a triangle, we have the following;
51 = 18 + 15 + x
51 = 33 + x
x = 51 - 33
x = 18 inches.
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Which expression had a value less than 1
Step-by-step explanation:
[tex] - \infty \: and \: 0[/tex]
or
[tex]x \leqslant 1[/tex]