The price that maximizes revenue for the given monthly price-demand equation with price range between $100 and $500 is $220.
(b) The maximum revenue from selling microwaves can be found by multiplying the price that maximizes revenue by the corresponding quantity of microwaves sold. Using the price-demand equation p(x) = 280 - 0.4x, we can find the quantity that corresponds to the price that maximizes revenue as follows:p(x) = 280 - 0.4x220 = 280 - 0.4x0.4x = 60x = 150Therefore, the quantity that corresponds to the price that maximizes revenue is x = 150. The maximum revenue can be found by multiplying the price and quantity:Revenue = Price * QuantityRevenue = $220 * 150Revenue = $33,000Therefore, the maximum revenue from selling microwaves is $33,000.
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Waterways Corporation is preparing its budget for the coming year, 2022. The first step is to plan for the first quarter of that coming year. The company has gathered information from its managers in preparation of the budgeting process. Sales Unit sales for November 2021 112,000
Unit sales for December 2021 104,000
Expected unit sales for January 2022 113,000
Expected unit sales for February 2022 112,000
Expected unit sales for March 2022 116,000
Expected unit sales for April 2022 125,000
Expected unit sales for May 2022 138,000
Unit selling price $12
Waterways likes to keep 10% of the next month’s unit sales in ending inventory. All sales are on account. 85% of the Accounts Receivable are collected in the month of sale, and 15% of the Accounts Receivable are collected in the month after sale. Accounts receivable on December 31, 2021, totaled $187,200. Direct Materials
Direct materials cost 80 cents per pound. Two pounds of direct materials are required to produce each unit. Waterways likes to keep 5% of the materials needed for the next month in its ending inventory. Raw Materials on December 31, 2021 totaled 11,290 pounds. Payment for materials is made within 15 days. 50% is paid in the month of purchase, and 50% is paid in the month after purchase. Accounts Payable on December 31, 2021, totaled $120,595. Labor requires 12 minutes per unit for completion and is paid at a rate of $9 per hour. Manufacturing Overhead
Indirect materials
30¢ per labor hour
Indirect labor
50¢ per labor hour
Utilities
50¢
per labor hour
Maintenance
20¢
per labor hour
Salaries
$41,000 per month
Depreciation
$18,000 per month
Property taxes
$2,900 per month
Insurance
$1,200 per month
Maintenance
$1,300 per month
Selling and Administrative
Variable selling and administrative cost per unit is $1. 60. Advertising
$15,000 a month
Insurance
$1,400 a month
Salaries
$70,000 a month
Depreciation
$2,800 a month
Other fixed costs
$3,300 a month
Other Information
The Cash balance on December 31, 2021, totaled $99,000, but management has decided it would like to maintain a cash balance of at least $700,000 beginning on January 31, 2022. Dividends are paid each month at the rate of $2. 70 per share for 4,610 shares outstanding. The company has an open line of credit with Romney’s Bank. The terms of the agreement requires borrowing to be in $1,000 increments at 9% interest. Waterways borrows on the first day of the month and repays on the last day of the month. A $480,000 equipment purchase is planned for February
Waterways Corporation's budget for Q1 2022 involves sales, inventory, materials, labor, overhead, expenses, and financing.
How to prepare Waterways Corporation's budget for 2022?Waterways Corporation is preparing its budget for the first quarter of 2022. The company has gathered information from its managers to begin the budgeting process.
The company expects unit sales to be 112,000 in November 2021, 104,000 in December 2021, and 113,000 in January 2022. The company also expects to keep 10% of next month's unit sales in ending inventory. The company collects 85% of Accounts Receivable in the month of sale and 15% in the month after sale.
Raw materials cost 80 cents per pound, and two pounds of direct materials are required to produce each unit. The company likes to keep 5% of the materials needed for the next month in its ending inventory.
Labor requires 12 minutes per unit, paid at a rate of $9 per hour. The company has variable selling and administrative costs of $1.60 per unit, including advertising, insurance, salaries, and depreciation. The company also plans to make a $480,000 equipment purchase in February.
The company's cash balance on December 31, 2021, was $99,000, but the management wants to maintain a cash balance of at least $700,000 starting on January 31, 2022. The company pays dividends each month at the rate of $2.70 per share for 4,610 shares outstanding.
The company has an open line of credit with Romney's Bank with borrowing terms of $1,000 increments at 9% interest. The company borrows on the first day of the month and repays on the last day of the month.
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A construction company makes cement stairs from a wooden mold. The construction company must calculate the volume of the mold to determine how much cement they need to create the stairs. What is the volume of the wooden mold?
If the mold is not a rectangular prism, then the formula for its volume will be different, depending on its shape.
How to calculate the volume of the wooden mold?To calculate the volume of the wooden mold, we need to know its dimensions. Let's assume that the mold is in the shape of a rectangular prism, with length (L), width (W), and height (H).
Then, the volume (V) of the wooden mold is given by the formula:
V = L x W x H
To find the values of L, W, and H, the construction company needs to measure the dimensions of the mold using a measuring tape or ruler. Once they have the measurements, they can plug them into the formula above to find the volume of the mold.
It's important to note that the units of measurement used for the dimensions of the mold should be consistent. For example, if the length and width are measured in feet, then the height should also be measured in feet, and the resulting volume will be in cubic feet.
If the mold is not a rectangular prism, then the formula for its volume will be different, depending on its shape.
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A rectangle that is 7 feet wide has an area of 56 square feet
The length of the rectangle is 8 feet given it is 7 feet wide and has an area of 56 square feet.
A rectangle is a geometric figure with four straight sides and four right angles, where the opposite sides are parallel and equal in length. In this case, we are given that the rectangle has a width of 7 feet and an area of 56 square feet. The area of a rectangle is calculated by multiplying its length (L) and width (W), expressed as A = L × W.
We are provided with the width, W = 7 feet, and the area, A = 56 square feet. To find the length of the rectangle, we can rearrange the area formula:
L = A ÷ W
Substituting the given values, we have:
L = 56 ÷ 7
L = 8 feet
Hence, the length of the rectangle is 8 feet. To summarize, a rectangle with a width of 7 feet and an area of 56 square feet has a length of 8 feet. The dimensions of the rectangle are 7 feet by 8 feet.
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Solve x^2+6x=5 using any method. Round your solutions to the nearest hundredth
The solutions of the quadratic equation are:
x = - 3 ±√14
How to solve the quadratic equation?Here we want to solve the equation:
[tex]x^2 + 6x = 5[/tex]
We can rewrite that to standard form:
[tex]x^2 + 6x - 5 = 0[/tex]
Completing squares we will get:
[tex](x^2 + 2*3*x + 3^2 - 3^2) - 5 = 0[/tex]
[tex](x + 3)^2 = 5 + 9[/tex]
x = - 3 ±√14
These are the two solutions of the quadratic equation.
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Please answer the question correctly and neatly. Will upvote if
correct.
Using a Table of Integrals with the appropriate substitution, find e3r + 6e2x + 7e et - 64 peste da Answer: ] +0
The equation provided, "e3r + 6e2x + 7e et - 64 pestle da," is not an integral expression and does not have a variable of integration.
Additionally, the requested answer, "] +0," does not make sense in the context of the question. Please provide a complete and accurate question for me to assist you with. Hi! Based on your terms provided ("Integrals", "substitution", and "find"), I understand that you are looking to solve an integral using substitution. However, the integral you provided appears to have some typographical errors. Please provide the correct integral, and I'll be happy to help you solve it.
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Solve the problem The total cost, in dollars, to produce x DVD players is Cbx) 120 + 3x==2-3. Find the marginal cost when x-3 A) $228 B) $225 C) $105 D) $108
The problem involves finding the marginal cost of producing a certain number of DVD players, given the total cost function. Specifically, we are given the total cost function C(x) = 120 + 3x^2-3, where x is the number of DVD players produced, and we need to find the marginal cost when x = 3.
To find the marginal cost, we need to take the derivative of the total cost function with respect to x and evaluate it at x = 3. The marginal cost represents the cost of producing one additional unit of the product, and is an important concept in economics and business.
Understanding the relationship between marginal cost and production volume is crucial for optimizing production and pricing decisions for companies. Marginal cost analysis is used extensively in many fields, including manufacturing, finance, and marketing.
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without the addition of fertiliser, the annual crop from a potato farm would only be 80% of the previous years crop. a farm produced 15 tonnes of potatoes in its first year of production. assume that no fertiliser is used. give answers correct to two decimal places where necessary. list the size of the potato crop for each of the first four years
The crop sizes for first 4 years without using fertilisers are:
15 tonnes12 tonnes9.6 tonnes7.68 tonnes.What is the size each of the first 4 years?The size of the potato crop for each of the first four years is computed as follows:
For Year 1:
= 15 tonnes * 1
= 15 tonnes
For Year 2:
= 15 tonnes x 0.8
= 12 tonnes
For Year 3:
= 12 tonnes x 0.8
= 9.6 tonnes
For Year 4:
= 9.6 tonnes x 0.8
= 7.68 tonnes
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The revenue from selling q items is R(q)=625q−q2, and the total cost is C(q)=50+6q. Write a function that gives the total profit earned, and find the quantity which maximizes the profit.
To find the total profit earned, we need to subtract the total cost from the revenue. Therefore, the profit function is:
P(q) = R(q) - C(q)
P(q) = 625q - q^2 - (50 + 6q)
P(q) = -q^2 + 619q - 50
To find the quantity which maximizes the profit, we need to take the derivative of the profit function and set it equal to zero:
P'(q) = -2q + 619
0 = -2q + 619
2q = 619
q = 309.5
Therefore, the quantity which maximizes the profit is 309.5. To find the total profit earned at this quantity, we plug it back into the profit function:
P(309.5) = -(309.5)^2 + 619(309.5) - 50
P(309.5) = $95,268.25
So the total profit earned at the quantity which maximizes the profit is $95,268.25.
To find the total profit function, you'll want to subtract the total cost function, C(q), from the revenue function, R(q). So the profit function, P(q), is given by:
P(q) = R(q) - C(q) = (625q - q^2) - (50 + 6q)
Now, simplify the profit function:
P(q) = 625q - q^2 - 50 - 6q = -q^2 + 619q - 50
To find the quantity which maximizes the profit, you can take the first derivative of the profit function with respect to q, set it equal to 0, and solve for q:
P'(q) = -2q + 619
Set P'(q) to 0 and solve for q:
0 = -2q + 619
2q = 619
q = 309.5
Since you can't have a fraction of an item, consider checking q = 309 and q = 310 to find the maximum profit. Evaluate P(q) at both points:
P(309) = -309^2 + 619(309) - 50
P(310) = -310^2 + 619(310) - 50
P(309) = 95441
P(310) = 95439
Thus, the quantity which maximizes the profit is 309 items.
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Last week, hayden rode his bike 5 times. each time, he biked a 3-mile path, a 2-mile path, and a 2 1 4 -mile path. which expression represents the total number of miles he biked? a. 5 × ( 3 2 2 1 4 ) b. 5 ( 3 × 2 × 2 1 4 ) c. 5 × ( 3 × 2 × 2 1 4 ) d. 5 ( 3 2 2 1 4 )
The correct expression to represent the total number of miles Hayden biked is A. 5 × (3 + 3 + 2 1/4)
This is because each time Hayden rode his bike, he biked a 3-mile path, a 2-mile path, and a 2 1/4 -mile path. To find the total number of miles he biked, we need to add up the distance he biked each time and then multiply by the number of times he biked.
Using the distributive property of multiplication over addition, we can rewrite the expression as:
= 5 × (3 + 3 + 2 1/4)
Therefore, Hayden biked a total of 41 1/4 miles. The correct answer is A
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Lola is in a hot air balloon that has just taken off and is now floating 7 meters above its launching point. Julian is standing on the ground, 6 meters away from the launching point. How far apart are Lola and Julian? If necessary, round to the nearest tenth.
6. How fast is each train traveling (km/h)? Round to the nearest whole number. a) Train A travels 520.4 km in 4.8 h b) Train B travels 72.1 km in 0.8 h
Answer: a) To find the speed of Train A, we need to divide the distance traveled by the time taken:
Speed = Distance / Time
Speed = 520.4 km / 4.8 h
Speed ≈ 108.42 km/h
Rounding to the nearest whole number, we get:
Train A is traveling at 108 km/h (approximately).
b) To find the speed of Train B, we need to divide the distance traveled by the time taken:
Speed = Distance / Time
Speed = 72.1 km / 0.8 h
Speed ≈ 90.13 km/h
Rounding to the nearest whole number, we get:
Train B is traveling at 90 km/h (approximately).
Step-by-step explanation:
A rectangular box will have a square cross section and a volume of 500 cubic centimeters. A. Sketch the box and sketch a net for the box. Assume the box will have an open top. Label the dimensions. B. Using w for the width and h for the height, find an expression in h and w for w the surface area of the box. C. Find the width and height that will make the surface area as small as possible
The expression for the surface area of the box is if w is A = x² + 2(xh) + 2(h²) the width of the box and h is the height. The dimensions of the box that minimize the surface area are approximately 11.68 cm by 11.68 cm by 6.19 cm.
The sketch of the box and the sketch of the net of the box is attached below. The box has a square base of side length x, and height h. The volume of the box is given as 500 cubic centimeters, therefore
x × x × h = 500
The surface area of the box can be found by summing the areas of each of the six faces. The top face is a square of side length x, so its area is x². The other five faces are all rectangles. The area of each of these rectangles is given by its length times its width. Therefore, the surface area of the box is
A = x² + 2(xh) + 2(h²)
To find the dimensions that minimize the surface area, we can use calculus. We can first solve the equation for x in terms of h
x² = 500/h
x = √(500/h)
Substituting this expression for x into the equation for the surface area, we get
A = 500/h + 2h×√(500/h) + 2h²
We can find the derivative of this expression with respect to h
dA/dh = -500/h² + sqrt(500/h) - 4h
Setting this derivative equal to zero and solving for h, we get
-500/h² + sqrt(500/h) - 4h = 0
Using a calculator or computer, we can find that this value is approximately 6.19. Substituting this value back into the equation for x, we get
x = √(500/6.19) ≈ 11.68
Therefore, the dimensions of the box that minimize the surface area are approximately 11.68 cm by 11.68 cm by 6.19 cm.
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The diameter of a cylinder is 3 yd. the height is 12 yd. what is the first step to finding the volume of the cylinder? find the volume of the cylinder.
The volume of the given cylinder is 84.78 cubic yards.
The first step to finding the volume of a cylinder is to use the formula V = πr^2h, where r is the radius of the cylinder (which is half of the diameter). So, to find the radius, we divide the diameter (which is 3 yards) by 2, giving us a radius of 1.5 yards. Then, we can plug in the values for radius (1.5), height (12), and π (3.14) into the formula to find the volume:
V = πr^2h
V = 3.14 x 1.5^2 x 12
V = 84.78 cubic yards
Therefore, the volume of the cylinder is 84.78 cubic yards.
Hi! To find the volume of a cylinder with a diameter of 3 yards and a height of 12 yards, the first step is to find the radius.
Step 1: Since the diameter is 3 yards, you can find the radius by dividing the diameter by 2. Radius = Diameter / 2. So, the radius is 1.5 yards.
Step 2: Now, you can find the volume of the cylinder using the formula: Volume = π × (radius^2) × height. In this case, Volume = π × (1.5^2) × 12.
Step 3: Calculate the volume: Volume = π × 2.25 × 12. Using the value of π as approximately 3.14, the volume becomes 3.14 × 2.25 × 12.
Step 4: Multiply the numbers: Volume ≈ 84.78 cubic yards.
So, the volume of the cylinder is approximately 84.78 cubic yards.
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The student council is planning for the prom. They have broken down their expenses in the graph below. If they decide they will spend $1200 in refreshments, then what is their total budget?
The total budget of the prom, using the percentage concept, is given by = $ 4000.
Hence the correct option is (D).
Let the total budget be $ 100x.
Spending on Entertainment is 25% of the Budget.
So the spending on Entertainment = 100x*(25/100) = $ 25x.
Spending on Refreshments is 30% of the Budget.
So the spending on Refreshments = 100x*(30/100) = $ 30x.
Spending on Decorations is 45% of the Budget.
So the spending on Decorations = 100x*(45/100) = $ 45x.
It is also given that the spending on refreshments in dollar is $ 1200.
According to information,
30x = 1200
x = 1200/30
x = 40
Hence the total budget is = $100x = $ 100*40 = $ 4000.
So the correct option is (D).
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The question is incomplete. The complete question will be -
"The student council is planning for the prom. They have broken down their expenses in the graph below. If they decide they will spend $1,200 on refreshments, then what is their total budget?
Prom Budget:
Entertainment: 25%
Refreshments: 30%
Decorations: 45%
Answer choices:
A. $3,600
B. $6,000
C. $7,200
D. $4,000"
Question 7 Determine the way in which the line (x, y, z) = (2, -3, 0] + k[-1, 3, -1) intersects the plane [x, y, 2] = [4, -15, -8] + s[1, -3, 1] + t[2, 3, 1), if at all. [2T/2A] , - No text entered -
The line intersects the plane at the point (-4, 15, -6).
How to find the intersection of line in given plane?The line (x, y, z) = (2, -3, 0) + k(-1, 3, -1) can be expressed parametrically as:
x = 2 - k
y = -3 + 3k
z = k
The plane [x, y, 2] = [4, -15, -8] + s[1, -3, 1] + t[2, 3, 1) can be expressed in scalar form as:
x + y - 2z = 14 + s - 2t
To find the intersection of the line and the plane, we can substitute the parametric equations of the line into the scalar equation of the plane:
(2 - k) + (-3 + 3k) - 2k = 14 + s - 2t
Simplifying this equation, we get:
-4k + 3 = 14 + s - 2t
We can also express the line and plane equations in vector form:
Line: r = (2, -3, 0) + k(-1, 3, -1) = (2-k, -3+3k, k)
Plane: r = (4, -15, -8) + s(1, -3, 1) + t(2, 3, 1) = (4+s+2t, -15-3s+3t, -8+s+t)
To find the intersection of the line and the plane, we need to find the values of k, s, and t that satisfy both equations simultaneously. We can do this by equating the vector forms of the line and plane and solving for k, s, and t:
2 - k = 4 + s + 2t
-3 + 3k = -15 - 3s + 3t
k = -8 - s - t
Substituting k into the first equation, we get:
2 + 8 + s + t = 4 + s + 2t
Simplifying this equation, we get:
t = 4
Substituting t = 4 and k = -8 - s - t into the second equation, we get:
-3 + 3(-8 - s - 4) = -15 - 3s + 3(4)
Simplifying this equation, we get:
s = -2
Substituting t = 4 and s = -2 into the first equation, we get:
k = 8 - s - t = 8 + 2 - 4 = 6
Therefore, the line intersects the plane at the point (x, y, z) = (2, -3, 0) + 6(-1, 3, -1) = (-4, 15, -6).
So the line intersects the plane at the point (-4, 15, -6).
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Find the prime factorization of each number. Record without and then with exponents. 75
Answer:
5*5*3
5²*3
Step-by-step explanation:
Assuming that we have to find prime factorization of 75:
75 = 25 * 3
75 = 5*5*3
3. la mamá de jordan compró 7 cajas de envases de jugo para después del entrenamiento del equipo. cada caja tenía 8 envases de jugo. después que el equipo bebió todo el jugo que quiso, quedaron 29 envases de jugo. el equipo abrió una nueva caja solo después de beber todo el jugo de la caja anterior. ¿cuántas cajas de jugo abrió el equipo?
Answer:
Step-by-step explanation:
The team drank a total of 7 x 8 = 56 juice boxes, and there were 29 remaining, so the team opened 56 - 29 = 27 juice boxes.
Since the team only opened a new box after finishing the previous one, the team opened 27 - 1 = 26 boxes of juice in total.
To explain this solution in more detail, we can use basic arithmetic. We know that the mom bought 7 boxes of juice, each containing 8 juice boxes,
so the total number of juice boxes is 7 x 8 = 56. After the team drank all the juice they wanted, there were 29 juice boxes remaining. This means that the team drank 56 - 29 = 27 juice boxes.
Since the team only opened a new box of juice after finishing the previous one, the number of boxes opened will be one less than the total number of juice boxes consumed.
Therefore, the team opened 27 - 1 = 26 boxes of juice in total. It is important to note that this assumes that the team opened all the boxes they consumed and did not drink any juice directly from the remaining boxes.
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13. A colony of bacteria doubles in number every hour. The expression 250* 2h gives the number of
bacteria after h hours. What does the constant 250 in the expression represent?
Therefore, the expression 250 * [tex]2^h[/tex] gives the number of bacteria in the colony after h hours, assuming that the initial number of bacteria is 250.
What is expression?In mathematics, an expression is a combination of numbers, variables, and mathematical operations, such as addition, subtraction, multiplication, and division. Expressions can also include parentheses, brackets, and other symbols to clarify the order of operations. Expressions can be evaluated to obtain a numerical result or can be simplified using mathematical rules and properties to make them easier to work with. In algebra, expressions are often used to represent relationships between variables and to solve equations and inequalities.
Here,
In the given expression 250*[tex]2^h[/tex], the constant 250 represents the initial number of bacteria in the colony.
Since the number of bacteria doubles every hour, if we start with 250 bacteria at the beginning, after one hour we will have 250 * 2 = 500 bacteria. After two hours, we will have 500 * 2 = 1000 bacteria, and so on.
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The time it takes Susan to drive to work each day is normally distributed with a mean of 42 minutes and a standard deviation of 4 minutes.
Approximately what percent of workdays does it take Susan between 38 and 46 minutes to drive to work?
50%
68%
95%
99. 7%
We can use the empirical rule to estimate the percentage of workdays it takes Susan between 38 and 46 minutes to drive to work. According to the empirical rule, for a normal distribution:
- About 68% of the data falls within one standard deviation of the mean
- About 95% of the data falls within two standard deviations of the mean
- About 99.7% of the data falls within three standard deviations of the mean
Since the mean is 42 minutes and the standard deviation is 4 minutes, one standard deviation below the mean is 38 minutes, and one standard deviation above the mean is 46 minutes. So, about 68% of the time it takes Susan between 38 and 46 minutes to drive to work.
Therefore, the answer is (B) 68%.
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The difference between the record high and low temperatures in Chicago, Illinois is 109°F. The record low temperature was -5°F. Use an equation to find the record high temperature.
The value of the record high temperature is 114°F
Using an equation to find the record high temperature.From the question, we have the following parameters that can be used in our computation:
The difference between the record high and low temperatures in Chicago, Illinois is 109°F. The record low temperature was -5°F.This means that
High - Low = 109
Substitute the known values in the above equation, so, we have the following representation
High - 5 = 109
Add 5 to both sides
High = 114
Hence, the record high temperature is 114°F
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Pls help and actually answer the question pls
Answer:
y = |x - 1|
Step-by-step explanation:
This is an absolute value function in the form g(x) = |x - h| + k, where
(h, k) is the vertex, (1, 0). Substitute these values into the function to get the equation of the graph:
y = |x - 1| + 0 = |x - 1|
At the performance of Seussical the Musical at your local high school, there are adult tickets and student/child tickets. You're trying to remember the cost of each to tell your music extended family to come see the musical. Your friend, her mom, and her little sister paid a total of $23 on opening night, and you know that another family paid $39 for two adults and three students. If x is cost of adult tickets and y is cost of student tickets, the two equations for these situations can be written as:
The cost of an adult ticket is $9 and the cost of a student/child ticket is $7. The solution was found by solving a system of two equations, where the variables x and y represent the costs of the two types of tickets.
Let's assign variables for the unknowns
x = cost of adult tickets
y = cost of student/child tickets
From the given information, we can create two equations
Equation 1 Friend, mom, and little sister paid a total of $23
x + 2y = 23
Equation 2 Another family paid $39 for two adults and three students
2x + 3y = 39
We now have two equations with two unknowns, which we can solve using substitution or elimination.
Here, using substitution
Solve for x in Equation 1
x = 23 - 2y
Substitute the value of x into Equation 2
2(23 - 2y) + 3y = 39
Simplify and solve for y
46 - 4y + 3y = 39
-y = -7
y = 7
Substitute the value of y into Equation 1 to solve for x
x + 2(7) = 23
x = 9
Therefore, the cost of adult tickets is $9 and the cost of student/child tickets is $7.
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The rectangle has a perimeter of 62 millimeters. What is its area?
Let's assume that the length of the rectangle is x and the width is y.
The perimeter of the rectangle is given by:
P = 2x + 2y
Substituting P = 62, we get:
62 = 2x + 2y
Simplifying the above equation, we get:
x + y = 31
The area of the rectangle is given by:
A = xy
To find the area, we need to solve for one of the variables, either x or y. We can use the equation x + y = 31 to solve for y in terms of x:
y = 31 - x
Substituting this expression for y in the equation for the area, we get:
A = x(31 - x)
Expanding the above expression, we get:
A = 31x - x^2
To find the maximum area, we need to find the value of x that maximizes A. We can do this by completing the square:
A = - (x^2 - 31x)
A = - [(x - 15.5)^2 - 240.25]
A = 240.25 - (x - 15.5)^2
The maximum area occurs when x = 15.5, so the dimensions of the rectangle are:
x = 15.5 mm
y = 31 - x = 15.5 mm
The area of the rectangle is:
A = xy = 15.5 mm × 15.5 mm = 240.25 mm^2
Therefore, the area of the rectangle is 240.25 square millimeters.
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Jordan buys candy at a store that costs $1.25 per candy bar. Create a table that could represent Jordan's cost depending on the number of candy bars purchased. Create a rule that represents the relationship.
Answer:
1 candy bar is $1.25
2 candy bars is $2.50
3 candy bars is $3.75
4 candy bars is $5
Equation:
y = 1.25x
y being the cost and x being number of candy bars
A 13-foot ladder is placed against a vertical wall of a building, with the bottom of the ladder standing on level ground 5 feet from the base of the building. How high up the wall does the ladder reach?
Bank Rate (RATE) has a closing price of $13.95 and earnings of $2.71. The company iStar Financial (STAR) has a closing price of $12.18 and earnings of $3.62. Determine which company is financially stronger using their PE ratios.
iStar Financial (STAR) has a lower PE ratio than Bank Rate (RATE), which suggests that it may be financially stronger
To determine which company is financially stronger using their PE ratios, we need to calculate the PE ratio for each company. PE ratio, or price-to-earnings ratio, is a financial metric used to measure the valuation of a company's stock. It is calculated by dividing the market price per share by the earnings per share.
For Bank Rate (RATE), the PE ratio can be calculated as:
PE ratio = market price per share / earnings per share
PE ratio = $13.95 / $2.71
PE ratio = 5.14
For iStar Financial (STAR), the PE ratio can be calculated as:
PE ratio = market price per share / earnings per share
PE ratio = $12.18 / $3.62
PE ratio = 3.37
A lower PE ratio indicates that a company's stock is relatively undervalued compared to its earnings. In this case, iStar Financial (STAR) has a lower PE ratio than Bank Rate (RATE), which suggests that it may be financially stronger.
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The probability of spinning an odd number , not flipping heads , then not spinning a 6 is _?
The probability of spinning an odd number , not flipping heads , then not spinning a 6 is 9/40
Multiply the three probabilities in order to get the compound probability:
Probability = favorable outcome / total number of outcome
Probability of getting an odd number
favorable outcome = 5
Total number of outcome = 10
P(odd number)= 5/10 = 1/2
Probability of not getting filling head
Favorable outcome = 1
P( not flipping heads)= 1/2
Probability of not getting a 6
favorable outcome = 9
P(not spinning a 6)= 9/10
= 1/2×1/2×9/10
= 9/40
The probability of spinning an odd number , not flipping heads , then not spinning a 6 is 9/40
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In 3 minutes, a conveyor belt moves 200 pounds of recyclable aluminum from the delivery truck to a storage area. A smaller belt moves the same quantity of cans the same distance in 9 minutes. If both belts are used, find how long it takes to move the cans to the storage area
If both belts are used, it will take 2.25 minutes to move the cans to the storage area
To solve this problem, we need to use the concept of rate of work. We know that the larger belt can move 200 pounds of aluminum in 3 minutes, which means its rate of work is 200/3 = 66.67 pounds per minute. Similarly, the smaller belt can move the same quantity of cans in 9 minutes, which means its rate of work is 200/9 = 22.22 pounds per minute.
When both belts are used together, their rates of work add up, so the total rate of work is 66.67 + 22.22 = 88.89 pounds per minute. We can use this rate of work to find how long it will take to move the cans to the storage area.
Let's assume that it takes x minutes to move the cans using both belts. Then, we can set up the following equation:
88.89x = 200
Solving for x, we get:
x = 2.25 minutes
Therefore, it will take 2.25 minutes to move the cans to the storage area using both belts.
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if r=11 units and x = 15 units, then what is the volume of the cylinder shown above?
The volume of the cylinder V = πr²h. Therefore, we need to have more information about the cylinder's height in order to solve this problem.
To find the volume of the cylinder, we first need to know the height of the cylinder. However, the height is not given in the question. Therefore, we cannot determine the volume of the cylinder with the given information.
We can use the formula for the volume of a cylinder, which is V = πr²h, where V is the volume, r is the radius, and h is the height.
Since r = 11 units and x = 15 units, we can find the diameter of the base of the cylinder by multiplying r by 2, which gives us 22 units. However, we still do not know the height of the cylinder.
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A community organization wishes to know the proportion of subjects who feel financially comfortable in a certain town.
Based on last year's census, 64% of the residents in this town felt financially comfortable. In this year's survey 56 out of 115 randomly chosen subjects felt financially comfortable. Comfortable.
If indeed the residents' economic opinions have NOT changed from last year, what's the probability of getting a survey of size n = 115, where 56 or fewer subjects say they feel financially comfortable?
a. 0. 0006
b. 0. 0003
c. 0. 3245
d. 0. 0927
e. 0. 9997
The probability of getting a survey of size n = 115, where 56 or fewer subjects say they feel financially comfortable is 0.0003. Therefore, the correct option is B.
To find the probability of getting a survey of size n = 115, where 56 or fewer subjects say they feel financially comfortable if the residents' economic opinions have not changed from last year, we can use the normal distribution as an approximation to the binomial distribution.
1. Calculate the mean (μ) and standard deviation (σ) of the binomial distribution using the proportion from the census (64%) and the sample size (n = 115).
Mean (μ) = n * p = 115 * 0.64 = 73.6
Standard deviation (σ) = √(n * p * (1-p)) = √(115 * 0.64 * 0.36) ≈ 6.45
2. Convert the observed value (56) to a z-score:
z = (x - μ) / σ = (56 - 73.6) / 6.45 ≈ -2.73
3. Find the probability of getting a z-score less than or equal to -2.73 using a z-table or an online calculator.
P(Z ≤ -2.73) ≈ 0.0032
The closest answer choice to this probability is 0.0003, so the correct answer is (b) 0.0003.
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