a. The price elasticity of demand for the Yoghurts over this price range is -2.5
b. The demand is elastic
c. The change in revenue due to the change in price is GHS 20,000
a. The price elasticity of demand is given by the formula:
Price elasticity of demand = (Percentage change in quantity demanded) / (Percentage change in price)
The percentage change in quantity demanded is (6000 - 4000) / 4000 * 100% = 50%
The percentage change in price is (30 - 40) / 40 * 100% = -20%
Therefore, the price elasticity of demand = 50% / (-20%) = -2.5
b. Since the price elasticity of demand is greater than 1,-2.5. This means that the percentage change in quantity demanded is greater than the percentage change in price.
c. The revenue is given by the formula:
Revenue = Price x Quantity
At a price of GHS 40, the revenue is 4000 x 40 = GHS 160,000
At a price of GHS 30, the revenue is 6000 x 30 = GHS 180,000
Therefore, the change in revenue is GHS 20,000, which is an increase of 12.5%.
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Find the value of the variable.
(ill be needing an explanation along with the answer, ty!)
Thus, the value of the angle x for the given angles of value 100 and 112 is found as 36.
Define about the linear pair:An adjacent pair of additional angles is known as a linear pair. Adjacent refers to being next to one another, and supplemental denotes that the sum of the two angles is 180 degrees. As previously said, neighbouring angles are those that are close to one another.
An angle pair that forms a line is known as a "line-ar pair."
For the given triangle:
Using the triangle's angle sum property:
x + (180 - 100) + (180 - 112) = 180
(the other two angles except x are linear pair with the angles of value 100 and 112)
So,
x + 80 + 180 - 112 = 180
x = 112 - 80
x = 32
Thus, the value of the angle x for the given angles of value 100 and 112 is found as 36.
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Pls help quickly i’ll give brainlyist
Answer:
Angle Q measures 55°, so angle M measures 55°.
39 + 55 + x = 180
94 + x = 180
x = 86
okay ummm deleted question
Answer:
Sure, let me know if you have a new question or need any assistance!
Full Boat Manufacturing has projected sales of $115. 5 million next year. Costs are expected to be $67. 4 million and net investment is expected to be $12. 3 million. Each of these values is expected to grow at 9 percent the following year, with the growth rate declining by 1 percent per year until the growth rate reaches 5 percent, where it is expected to remain indefinitely. There are 4. 8 million shares of stock outstanding and investors require a return of 10 percent return on the company’s stock. The corporate tax rate is 21 percent
Based on the given information, the estimated current stock price for Full Boat Manufacturing is $13.11. This is calculated using the discounted cash flow model, taking into account the projected future cash flows, growth rates, and required rate of return.
To calculate the current stock price, we need to estimate the free cash flows and discount them at the required rate of return.
First, we calculate the free cash flow to the firm (FCFF) for next year as follows
FCFF = Sales - Costs - Net Investment*(1-t)
= $115 million - $67 million - $12 million*(1-0.21)
= $31.02 million
Next, we calculate the expected growth rate in FCFF using the formula:
g = (FCFF Year 2 / FCFF Year 1) - 1
where FCFF Year 2 = FCFF Year 1 * (1 + g)
Using the given information, we get
g = (FCFF Year 2 / FCFF Year 1) - 1
= (FCFF Year 1 * (1 + 0.14) * (1 - 0.02) / FCFF Year 1) - 1
= 0.12
We can now use the Gordon growth model to estimate the current stock price
Current stock price = FCFF Year 1 * (1 + g) / (r - g)
where r is the required rate of return.
Substituting the values, we get
Current stock price = $31.02 million * (1 + 0.12) / (0.13 - 0.12)
= $72.13 million
Finally, we divide the current stock price by the number of shares outstanding to get the estimate of the current stock price per share:
Current stock price per share = $72.13 million / 5.5 million
= $13.11 per share
Therefore, the estimate of the current stock price is $13.11 per share.
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--The given question is incomplete, the complete question is given
" Full Boat Manufacturing has projected sales of $115 million next year. Costs are expected to be $67 million and net investment is expected to be $12 million. Each of these values is expected to grow at 14 percent the following year, with the growth rate declining by 2 percent per year until the growth rate reaches 6 percent, where it is expected to remain indefinitely. There are 5.5million shares of stock outstanding and investors require a return of 13 percent on the company’s stock. The corporate tax rate is 21 percent.
What is your estimate of the current stock price?
Researchers in scotland have been following the development of a sample of 11-year-old children since 1932. what type of study are they conducting
In this case, the researchers have been following the development of a sample of 11-year-old children since 1932, which is a very long period of time, making it a classic example of a longitudinal study
The type of study that the researchers in Scotland are conducting is a longitudinal study. Longitudinal studies involve following a group of individuals over an extended period of time, often years or even decades, in order to observe changes or continuity in their development, behaviors, or other characteristics.Longitudinal studies are considered to be one of the most powerful research designs for understanding how individuals change over time. By following a group of people over an extended period, researchers can gain insight into how different factors, such as social, environmental, and biological, interact to shape development.
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If using the method of completing the square to solve the quadratic equation x^2-19x-39=0x 2 −19x−39=0, which number would have to be added to "complete the square"?
We know that the solutions to the quadratic equation are x=21 or x=-12.
To solve the quadratic equation x^2-19x-39=0 using the method of completing the square, the number that would have to be added to "complete the square" is 91.
First, move the constant term to the right side: x^2-19x=39.
Then, take half of the coefficient of x, square it, and add it to both sides: x^2-19x+90.25=129.25.
This can be factored as (x-9.5)^2=129.25.
Taking the square root of both sides, we get x-9.5=±√129.25.
Solving for x, we get x=9.5±√129.25, which simplifies to x=9.5±11.5.
Therefore, the solutions to the quadratic equation are x=21 or x=-12.
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if tanA=squareroot3-1/squareroot3+1,prove that cosA=squareroot3+1/2squareroot2.
The exact value of the trigonometric function is cos θ = (√3 + 1) / 2√2.
How to find the exact value of a trigonometric function
In this problem we find the exact value of a trigonometric function, from which we need to determine the exact value of another trigonometric function. This can be done by using definitions of trigonometric functions:
tan θ = y / x
cos θ = x / √(x² + y²)
Where:
x - Leg adjacent to an angle.y - Leg opposite to an angle.θ - Angle.If we know that y = √3 - 1 and x = √3 + 1, then the exact value of the other trigonometric function is:
cos θ = (√3 + 1) / √[(√3 + 1)² + (√3 - 1)²]
cos θ = (√3 + 1) / √(3 + 2√3 + 1 + 3 - 2√3 + 1)
cos θ = (√3 + 1) / √8
cos θ = (√3 + 1) / 2√2
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Given y = 5x^2 + 3x, find dy/dx when x = - 1 and dx/dt =5. dy/dt = (Simplify your answer.)
To dy/dx when x = - 1 and dx/dt =5. dy/dt =
dy/dt = -35.
To find dy/dt, first we need to find dy/dx. Given y = 5x^2 + 3x, we can differentiate y with respect to x:
[tex]dy/dx = d(5x^2 + 3x)/dx = 10x + 3[/tex]
Now, we need to find dy/dx when x = -1:
[tex]dy/dx(-1) = 10(-1) + 3 = -10 + 3 = -7[/tex]
We are given that dx/dt = 5. To find dy/dt, we use the chain rule:
[tex]dy/dt = dy/dx * dx/dt[/tex]
Substitute the values we found:
dy/dt = (-7) * (5) = -35
So, dy/dt = -35.
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find the area of a garden that measures 6 feet by 4 feet.
Answer:
Area = Length x Width
Area = 6 feet x 4 feet
Area = 24 square feet
A construction company sells half of its bulldozers, then 5 new bulldozers bringing their total to 17 bulldozers. How many bulldozers did they begin with?
Let's call the number of bulldozers the construction company began with "x".
According to the problem, the company sells half of its bulldozers, which means they have (1/2)x bulldozers left after the sale.
After selling half of their bulldozers, the company acquires 5 new bulldozers, which brings their total to 17 bulldozers.
So we can write an equation based on this information:
(1/2)x + 5 = 17
To solve for x, we can start by subtracting 5 from both sides:
(1/2)x = 12
Then, we can multiply both sides by 2 to isolate x:
x = 24
Therefore, the construction company began with 24 bulldozers.
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Need this fast
consider the function whose criterion is f(x) = x3 =2x² +5 If the equation of the tangent line to fat x = -2 has the forma S y = mx +D m and b? ? What is the value for
The equation of the tangent line y = 20x + 61, with m = 20 and b = 61.
How to the equation of the tangent line to a function at a specific point?To find the equation of the tangent line to the function [tex]f(x) = x^3 - 2x^2 + 5 at x = -2[/tex], we need to first find the slope of the tangent line at that point.
To do this, we can take the derivative of the function f(x), which gives us:
[tex]f'(x) = 3x^2 - 4x[/tex]
Then, we can plug in x = -2 to find the slope at that point:
[tex]f'(-2) = 3(-2)^2 - 4(-2) = 20[/tex]
So the slope of the tangent line at x = -2 is 20.
Now we can use the point-slope form of a line to find the equation of the tangent line. We know that the line passes through the point [tex](-2, f(-2))[/tex], which is (-2, 21) since:
[tex]f(-2) = (-2)^3 - 2(-2)^2 + 5 = 21[/tex]
So the equation of the tangent line is:
[tex]y - 21 = 20(x + 2)[/tex]
Simplifying this equation gives us:
y = 20x + 61
Therefore, the equation of the tangent line in the form y = mx + b is:
y = 20x + 61, with m = 20 and b = 61.
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What is the amount of carrying charges for a $10,000 for college if there is a 5% down payment, apr of 10%, and a 36-month repayment period?
The amount of carrying charges for a $10,000 college loan with a 5% down payment, a 10% APR, and a 36-month repayment period is approximately $1,571.44.
To calculate the amount of carrying charges for a $10,000 college loan with a 5% down payment, a 10% annual percentage rate (APR), and a 36-month repayment period, follow these steps:
1. Determine the down payment: 5% of $10,000 = $500.
2. Subtract the down payment from the loan amount: $10,000 - $500 = $9,500. This is the principal loan amount.
3. Calculate the monthly interest rate: 10% APR / 12 months = 0.833% or 0.00833 as a decimal.
4. Calculate the monthly payment using the loan payment formula: P = r * PV / (1 - (1 + r)⁻ⁿ), where P is the monthly payment, r is the monthly interest rate, PV is the present value (principal loan amount), and n is the number of monthly payments. P = 0.00833 * $9,500 / (1 - (1 + 0.00833)⁻³⁶) = $307.54.
5. Determine the total amount paid over the loan term: Monthly payment * Number of monthly payments = $307.54 * 36 = $11,071.44.
6. Calculate the carrying charges: Total amount paid - Principal loan amount = $11,071.44 - $9,500 = $1,571.44.
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Reema bought pencils for school in August. She gave
now had 3 pencils left.
。 of them to her friends. She used
of what she had left the first month of school. She
How many pencils did she buy in August?
O A 48
O B. 36
O c. 24
OD. 12
O E. 6
By simplification Reema bought 5 boxes of pencils, which is a total of 60 pencils, in August.
Let x be the number of pencils Reema bought in August. According to the problem, she gave away 1/4 of the pencils, which means she kept 3/4 of the pencils. Then, she used 2/3 of what she had left, which means she used:
(2/3)(3/4)x = (1/2)x
So, if she used half of what she had left, she must have started with twice as many pencils. Therefore:
2x = total number of pencils she started with
And we know that she ended up with 3 pencils left, so:
2x - (1/4)(2x) - (1/2)x = 3
Simplifying this equation, we get:
(7/4)x = 3 + (1/2)x
Multiplying both sides by 4/7, we get:
x = (12/7)(3) = 36/7
Since Reema cannot buy a fractional number of pencils, we need to round up to the nearest whole number. Therefore, Reema bought 5 boxes of pencils, or a total of 60 pencils, in August.
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We can calculate the depth � dd of snow, in centimeters, that accumulates in Harper's yard during the first ℎ hh hours of a snowstorm using the equation � = 5 ℎ d=5hd, equals, 5, h. How many hours does it take for 1 11 centimeter of snow to accumulate in Harper's yard? 1/5 hours How many centimeters of snow accumulate per hour?
It takes 1/5 hours or 12 minutes for 1 centimeter of snow to accumulate in Harper's yard.
We are given that the depth of snow that accumulates in Harper's yard during the first h hours of a snowstorm is given by the equation d = 5h.
To find out how many hours it takes for 1 centimeter of snow to accumulate, we need to find the value of h when the depth of snow d is equal to 1 centimeter.
Substituting d = 1 in the equation d = 5h, we get:
1 = 5h
Dividing both sides by 5, we get:
h = 1/5
In summary, the equation d = 5h gives the depth of snow in centimeters that accumulates in Harper's yard during the first h hours of a snowstorm. To find how many hours it takes for 1 centimeter of snow to accumulate, we substitute d = 1 and solve for h, which gives us h = 1/5 hours or 12 minutes.
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Complete question is:
We can calculate the depth d of snow, in centimeters, that accumulates in Harper's yard during the first h hours of a snowstorm using the equation d = 5h. How many hours does it take for 1 centimeter of snow to accumulate in Harper's yard?
Will upvote if answer is Complete and correct
The masses mi are located at the points P. Find the center of mass of the system. mi = 4, m2 = 8, m3 = 9. P1 = (-6, - 8), P, = (3, 1), P3 = (6,2). c= IS
To get the center of mass of the system with masses m1 = 4, m2 = 8, and m3 = 9 located at points P1 = (-6, -8), P2 = (3, 1), and P3 = (6, 2), the center of mass of the system is approximately (2.57, -0.29).
Center of Mass (x, y) = (Σ (mi * xi) / Σ mi, Σ (mi * yi) / Σ mi)
First, find the sum of the masses: Σ mi = m1 + m2 + m3 = 4 + 8 + 9 = 21
Next, calculate the x and y coordinates of the center of mass: Σ (mi * xi) = (4 * -6) + (8 * 3) + (9 * 6) = -24 + 24 + 54 = 54,
Σ (mi * yi) = (4 * -8) + (8 * 1) + (9 * 2) = -32 + 8 + 18 = -6.
Now divide these sums by the total mass: x-coordinate = 54 / 21 ≈ 2.57, y-coordinate = -6 / 21 ≈ -0.29.
So, the center of mass of the system is approximately (2.57, -0.29).
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(1 point) Estimate I = S." (+2) + dx using n = 4 subintervals and (a) Left endpoints. I (b) Right endpoints. IM
To estimate I = S." (+2) + dx using n = 4 subintervals and left endpoints, we need to divide the interval [2, 6] into 4 equal subintervals, each of width dx = (6-2)/4 = 1. Then, we can approximate the integral by adding up the areas of the rectangles whose heights are the function values at the left endpoints of each subinterval.
(a) Using left endpoints, the approximation of the integral is:
I ≈ sum from i=0 to 3 of f(2+i*dx)*dx
= f(2)*dx + f(3)*dx + f(4)*dx + f(5)*dx
= f(2)*1 + f(3)*1 + f(4)*1 + f(5)*1
(b) Using right endpoints, the approximation of the integral is:
I ≈ sum from i=1 to 4 of f(2+i*dx)*dx
= f(3)*dx + f(4)*dx + f(5)*dx + f(6)*dx
= f(3)*1 + f(4)*1 + f(5)*1 + f(6)*1
In both cases, we simply evaluate the function at the specified endpoints of each subinterval, multiply by the width of the subinterval, and sum up the results.
Note that the choice of left or right endpoints will affect the accuracy of the approximation, but in general, using more subintervals will lead to a more accurate result.
(a) Left Endpoints:
To estimate I using 4 subintervals and left endpoints, first divide the interval [0, 2] into 4 equal subintervals. Each subinterval has width Δx = (2 - 0) / 4 = 0.5. The left endpoints of these subintervals are x = 0, 0.5, 1, and 1.5. The integral estimate is:
I ≈ Δx[f(0) + f(0.5) + f(1) + f(1.5)]
Evaluate the function at these points, and then multiply the sum by Δx.
(b) Right Endpoints:
To estimate I using 4 subintervals and right endpoints, again divide the interval [0, 2] into 4 equal subintervals with width Δx = 0.5. The right endpoints of these subintervals are x = 0.5, 1, 1.5, and 2. The integral estimate is:
I ≈ Δx[f(0.5) + f(1) + f(1.5) + f(2)]
Evaluate the function at these points, and then multiply the sum by Δx.
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Which of these contexts describes a situation that is an equal chance or 50-50?
A. Rolling a number between 1 and 6 (including 1 and 6) on a standard six-sided die, numbered from 1 to 6.
B. Spinning a spinner divided into four equal-sized sections colored red/green/yellow/blue and landing on yellow or blue or green.
C. Winning a raffle that sold a total of 100 tickets if you bought 50 tickets.
D. Reaching into a bag full of 5 strawberry chews and 15 cherry chews without looking and pulling out a strawberry chew.
option B describes a situation that is an equal chance or 50-50
Option A describes a situation that is not 50-50 because there are six possible outcomes and only one of them is desired, so the probability of rolling a particular number is 1/6.
Option B describes a situation that is 50-50 because there are four possible outcomes and two of them are desired, so the probability of landing on a desired color is 2/4 or 1/2.
Option C does not describe a situation that is 50-50 because the probability of winning depends on the number of tickets sold and the number of tickets purchased by the individual.
Option D describes a situation that is not 50-50 because there are 5 strawberry chews and 15 cherry chews, so the probability of pulling out a strawberry chew is 5/20 or 1/4.
Therefore, the only option that describes a situation that is an equal chance or 50-50 is option B.
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Help ASAP i need explanation and answer and ill give brainliest to the first person who answers
The value of x is 7. The value of y in the right triangle is 16.5. The value of z in the given figure is 49.
What are diagonals?A quadrilateral is a polygon with four sides. All quadrilaterals have four sides and four vertices, though they can be of various sizes and shapes (corners). Straight lines that join the opposing vertices (corners) of a quadrilateral are known as its diagonals. The line segments that connect one quadrilateral corner to a corner that is not adjacent are known as the diagonals of a quadrilateral (not connected by a side).
The opposite sides of the kite are equal thus, we have:
3x + 2 = 5x - 12
14 = 2x
x = 7
The length of the side MJ is:
3(7) + 2 = 23
Now, the triangle MNJ is a right triangle thus using Pythagoras Theorem we have:
h² = a² + b²
23² = 16² + y²
529 = 256 + y²
273 = y²
y ≈ 16.5
Now, diagonals of kite are perpendicular thus,
2z - 8 = 90
2z = 98
z = 49
Hence, the value of z in the given figure is 49.
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Evaluate ∫∫∫ (4z^3 + 3y^2 + 2x) dv
The value of the given triple integral is ∫∫∫ (4z^3 + 3y^2 + 2x) dv = 1/2.
To evaluate the given triple integral, we need to determine the limits of integration for x, y, and z. As there are no specific bounds given, we can assume that the region of integration is the entire space. Therefore, the limits of integration for x, y, and z will be from negative infinity to positive infinity.
Thus, we have:
∫∫∫ (4z^3 + 3y^2 + 2x) dv = ∫∫∫ 4z^3 dv + ∫∫∫ 3y^2 dv + ∫∫∫ 2x dv
Using the fact that the integral of an odd function over a symmetric interval is zero, we can see that the integral of 2x over the entire space is zero.
Hence, we are left with evaluating the integrals of 4z^3 and 3y^2 over the entire space.
∫∫∫ 4z^3 dv = 4 ∫∫∫ z^3 dxdydz
Using the fact that the integral of an odd function over a symmetric interval is zero, we can see that the integral of z^3 over the entire space is zero.
Thus, we have ∫∫∫ 4z^3 dv = 0.
Similarly, we can evaluate ∫∫∫ 3y^2 dv as follows:
∫∫∫ 3y^2 dv = 3 ∫∫∫ y^2 dxdydz
Since the limits of integration are from negative infinity to positive infinity, the integrand is an even function. Therefore, we can write:
∫∫∫ y^2 dxdydz = 2 ∫∫∫ y^2 dx dz dy
Now, using cylindrical coordinates, we can express y^2 as r^2 sin^2 θ and the differential element dv as r dz dr dθ.
Therefore, we have:
∫∫∫ y^2 dxdydz = 2 ∫∫∫ r^4 sin^2 θ dz dr dθ
Using the fact that the integral of sin^2 θ over a full period is π/2, we can evaluate the integral as follows:
∫∫∫ y^2 dxdydz = 2 π/2 ∫0∞ ∫0^2π ∫0^∞ r^4 sin^2 θ dz dr dθ
Simplifying the integral, we get:
∫∫∫ y^2 dxdydz = (π/2) (2π) (1/5) = π^2/5
Hence, we have:
∫∫∫ (4z^3 + 3y^2 + 2x) dv = 0 + π^2/5 + 0 = π^2/5
Finally, we can simplify the result as π^2/5 = 1/2. Therefore, the value of the given triple integral is 1/2.
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The National Assessment of Educational Progress (NAEP) includes a mathematics test for eigth-grade students. Scores on the test range from 0 to 500. Suppose that you give the NAEP test to an SRS of 900 8th-graders from a large population in which the scores have mean mu = 285 and standard deviation sigma = 125. The mean x-bar will vary if you take repeated samples. Suppose that we took an SRS of 1600 8th-graders and found x-bar =288. Compared with an SRS of 900 8th-graders, the margin of error for a 95% confidence interval for mu is
Compared with an SRS of 900 8th-graders, the margin of error for a 95% confidence interval for mu is smaller when using an SRS of 1600 8th-graders.
To compare the margin of error for a 95% confidence interval for the population mean (mu) with a sample of 900 8th-graders versus 1600 8th-graders, we can follow these steps:
1. Identify the standard deviation (sigma) and sample sizes (n1 = 900 and n2 = 1600).
2. Calculate the standard error for each sample size:
SE1 = sigma / sqrt(n1) = 125 / sqrt(900) = 125 / 30
SE2 = sigma / sqrt(n2) = 125 / sqrt(1600) = 125 / 40
3. Determine the critical value (z-score) for a 95% confidence interval. In this case, it is 1.96 (you can find this value from a standard normal distribution table or using a calculator).
4. Calculate the margin of error for each sample size:
ME1 = z-score * SE1 = 1.96 * (125 / 30)
ME2 = z-score * SE2 = 1.96 * (125 / 40)
5. Compare the margin of errors:
ME1 is larger than ME2.
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1. explain what a positive and negative number means in this situation.
2. what is the total inventory on sunday?
3. how many paper towels do you think were used on thursday? explain how you know
Positive numbers indicate an increase in the number of cups, while negative numbers indicate a decrease. By using addition, the total inventory on Sunday is 2,893 cups. The number of cups used on Thursday is 2,127.
In this situation, a positive number means that the coffee shop received a delivery of cups, while a negative number means that they used or lost cups.
Assuming that the starting amount of coffee cups is 0, the total inventory on Sunday would be the sum of all the cups received and used until Sunday, which is
2,000 + (-125) + (-127) + 1,719 + (-356) + 782 + 0 = 2,893 cups
To estimate how many cups were used on Thursday, we can subtract the previous balance (2,000 cups) from the balance after Thursday's transaction (-127 cups) and get
-127 - 2,000 = -2,127 cups
Since the number is negative, it means that 2,127 cups were used on Thursday.
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--The given question is incomplete, the complete question is given
" Here is some record keeping from a coffee shop about their paper cups. Cups are delivered 2,000 at a time.
Monday:+2,000
Tuesday:-125
Wednesday:-127
Thursday:+1,719
Friday:-356
Saturday:782
Sunday:0
Explain what a positive and negative number means in this situation.
Assume the starting amount of coffee cups is 0. 2. what is the total inventory on sunday?
How many cups do you think were used on Thursday? Explain how you know."--
1. consider the pyramid.
(a) draw and label a net for the pyramid.
(b) determine the surface area of the pyramid. show your work.
(pyramid is listed in the pdf)
2. the back of nico’s truck is 9.5 feet long, 6 feet wide, and 8 feet tall. he has several boxes of important papers
that he needs to move. each box of papers is shaped like a cube, measuring 1.5 feet on each side.
how many boxes of papers can nico pack into the back of his truck? show your work.
please help!
A net for the pyramid is drawn and labeled. The surface area of the pyramid is found using the formula and the given measurements is 96 square units. The number of boxes of papers Nico can pack into the back of his truck is 135 boxes.
The labeled pyramid is shown in image.
To find the surface area of the pyramid, we need to find the area of each face and add them together. The area of the base is a square with side length 6, so its area is
6² = 36 square units.
The area of each triangular face can be found by using the formula for the area of a triangle, which is 1/2 times base times height.
The height of each face is the slant height of the pyramid, which we can find using the Pythagorean Theorem.
The base of each face is one of the sides of the base of the pyramid, which has length 6.
The slant height of the pyramid can be found by drawing the height from the apex to the center of the base and then using the Pythagorean Theorem to find the length of the hypotenuse of the right triangle formed by the height, half the base (3), and the slant height. We get
slant height = √(4² + 3²) = 5
So the area of each triangular face is 1/2 times base times height = 1/2 times 6 times 5 = 15 square units. Since there are four triangular faces, the total surface area of the pyramid is
4(15) + 36 = 96 square units.
Therefore, the surface area of the pyramid is 96 square units.
The volume of one box of papers is 1.5 x 1.5 x 1.5 = 3.375 cubic feet. The volume of the truck is 9.5 x 6 x 8 = 456 cubic feet. The number of boxes Nico can pack into the truck is therefore
456 / 3.375 = 135.11
Since Nico cannot pack a fraction of a box, he can fit a maximum of 135 boxes of papers in his truck.
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Solve for x.
Round to the nearest tenth.
The measure of the angle x in the circle is 65 degrees
Solving for x in the circleFrom the question, we have the following parameters that can be used in our computation:
The circle
On the circle, we have the angle at the vertex of the triangle to be
Angle = 100/2
Angle = 50
The sum of angles in a triangle is 180
So, we have
x + x + 50 = 180
Evaluate the like terms,
2x = 130
So, we have
x = 65
Hence, the angle is 65 degrees
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An object is launched vertically in the air at 41.65 meters per second from a 7-meter-tall platform. using the projectile motion model h(t)=-4.9t^2+v0t+h0, where h(t) is the height of the projectile t seconds after it’s departure, v0 is the initial velocity in meters per second, and h0 is the initial height in meters, determine how long it will take for the object to reach its maximum height. what is the maximum height?
To find the maximum height of the object, we need to first determine when the object reaches that height. We can use the projectile motion model h(t) = -4.9t^2 + v0t + h0 to solve for the time it takes for the object to reach its maximum height.
Since the object is launched vertically, we know that its initial velocity is 41.65 m/s and its initial height is 7 meters. We can substitute these values into the projectile motion model and solve for when the object reaches its maximum height by finding the vertex of the resulting quadratic function.
h(t) = -4.9t^2 + 41.65t + 7
To find the time it takes for the object to reach its maximum height, we can use the formula t = -b/2a, where a = -4.9 and b = 41.65.
t = -(41.65)/(2(-4.9))
t = 4.25 seconds
Therefore, it takes 4.25 seconds for the object to reach its maximum height.
To find the maximum height, we can plug in this time value into the projectile motion model and solve for h(t).
h(4.25) = -4.9(4.25)^2 + 41.65(4.25) + 7
h(4.25) = 89.57 meters
The maximum height of the object is 89.57 meters.
In summary, the object launched vertically from a 7-meter-tall platform with an initial velocity of 41.65 m/s takes 4.25 seconds to reach its maximum height of 89.57 meters. This is found by using the projectile motion model h(t) = -4.9t^2 + v0t + h0 and finding the time it takes for the object to reach its maximum height, and then plugging in that time value to find the maximum height.
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04-13-2021 ne ) In his application for a job, Jamie must pass an oral interview and take a written test. Past records of job applicants show that that the probability of passing the oral test is 0. 56. The probability of passing the written test is 0. 68. The probability of passing the oral test, given that the candidate passes the written test is 0. 76. What is the probability that Jamie passes both the oral test and the written test?
The probability that Jamie passes both the oral test and the written test is 0.5168, or 51.68%.
To find the probability that Jamie passes both the oral test and the written test, we can use the conditional probability formula: P(A and B) = P(A|B) * P(B), where A represents passing the oral test and B represents passing the written test.
From the given information:
- The probability of passing the oral test, P(A), is 0.56.
- The probability of passing the written test, P(B), is 0.68.
- The probability of passing the oral test, given that the candidate passes the written test, P(A|B), is 0.76.
Now, using the conditional probability formula:
P(A and B) = P(A|B) * P(B)
P(A and B) = 0.76 * 0.68
Calculating the product:
P(A and B) = 0.5168
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A crane is being set up on a slope of. If the base of the crane is. 0 ft wide, how many inches should the downhill side of the base be raised in order to level the crane?
The downhill side of the crane base should be raised by approximately 4.53 inches to level the crane on a 2.5° slope.
We can use trigonometry here. Let x be the length (in inches) that the downhill side of the base should be raised. The slope of the ground is given to be 2.5°,
tan(2.5°) ≈ 0.0436
Now, using the equation,
x / 12 = 9tan(2.5°)
Here, we converted the base's width from feet to inches (by dividing by 12) and calculated the crane's required vertical displacement (inches) using the angle's tangent. When we simplify this equation, we obtain,
x = 9tan(2.5°)12
x ≈ 4.53 inches
Therefore, the downhill side of the base should be raised by about 4.53 inches to level the crane.
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Complete question - A crane is being set up on a slope of 2.5 degrees. If the base of the crane is 9.0 ft wide, how many inches should the downhill side of the base be raised in order to level the crane?
write a math sequence for this problem! lilah and her little brother max went to the beach they dug 290 seashells and 645 rocks how many rocks and seashells did max and lilah collect in all?
Answer:
935 Rocks and shells
Step-by-step explanation:
To find the total number of rocks and seashells collected by Max and Lilah, we can use the addition operation. Let S be the number of seashells and R be the number of rocks. Then, the math sequence for this problem is:
S + R = Total
Substituting the given values, we get: 290 + 645 = Total
Simplifying the right-hand side, we get:
935 = TotalTherefore, Max and Lilah collected a total of 935 rocks and seashells in all.
To find the total number of rocks and seashells collected by Lilah and Max, we simply need to add the number of seashells and rocks they each collected. Let S represent the number of seashells and R represent the number of rocks. Then, the equation is:
S + R = 290 + 645
Simplifying this expression, we get:
S + R = 935
935 rocks and seashells.
I NEED HELP ON THIS ASAP!!! IT'S DUE TONIGHT
Answer:
First Problem:
Transformation: Reflection across the x-axis, shift 2 units rightward
Equation: g(x)=-5^(x-2)
Second Problem:
Transformation: Reflection across the y-axis, shift 4 units upward
Equation: 10^-x+4
Step-by-step explanation:
Imagine folding a piece of paper and using the x or y axis as the crease marks. By folding them and comparing them, we can find out whether it is either the x-axis, y-axis, or both-axis. Then, we move the graph, to match the position in the second picture.
As for equations, exponential functions have the parent function of y=b^(x+c)+h. By plugging in any points given, let's say (1,5), we can see that 5=b^1 and simplifying shows 5=b. Therefore, the function is y=5^x. Using that first equation, we transform it. If over the x-axis, convert y=b^x to y=-b^x. If over the y-axis, convert y=b^x to y=b^-x. For horizontal shift, if going rightward, it is x-c. If going leftward, it is x+c. For vertical shift, if going up, b^x+h. If going down, b^x-h.
If unsure, plug-in points to see if your answer checks out with the equation :)
Suppose there are 5 people and 4 waffle. What is each person's share of 4 waffles?
Answer:
4/5 or 0.8 Waffles per person
Step-by-step explanation:
Divide the 4 waffles among 5 people, 4/5
0.8 waffle.
Let u= (3, -7) and v = (-3.1). Find the component form and magnitude (length) of the vector 2u - 4v.
I think there might be a typo in the question - it looks like there's a missing second coordinate for vector v. Assuming that the second coordinate for v is also -7, here's the solution:
First, let's find the component form of 2u - 4v:
2u = 2(3,-7) = (6,-14)
4v = 4(-3,-7) = (-12,-28)
So 2u - 4v = (6,-14) - (-12,-28) = (6+12, -14+28) = (18,14)
Therefore, the component form of 2u - 4v is (18,14).
To find the magnitude of (18,14), we can use the Pythagorean theorem:
|(18,14)| = sqrt(18^2 + 14^2) = sqrt(360) ≈ 18.97
So the magnitude (length) of the vector 2u - 4v is approximately 18.97.
To find the component form of the vector 2u - 4v, we'll first perform scalar multiplication and then vector subtraction.
Scalar multiplication:
2u = 2(3, -7) = (6, -14)
4v = 4(-3, 1) = (-12, 4)
Vector subtraction:
2u - 4v = (6, -14) - (-12, 4) = (6 + 12, -14 - 4) = (18, -18)
So, the component form of the vector 2u - 4v is (18, -18).
To find the magnitude (length) of the vector, we'll use the formula: ||2u - 4v|| = √(x² + y²), where x and y are the components of the vector.
Magnitude = √((18)² + (-18)²) = √(324 + 324) = √(648) ≈ 25.46
The magnitude (length) of the vector 2u - 4v is approximately 25.46.
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