Answer: Benjamin would save $11,720.48 over 6 years if he purchases the car instead of leasing it.
Step-by-step explanation:
To calculate the cost of the car if Benjamin purchases it, we can use the loan amortization formula. The formula for calculating the monthly payment of a loan is:
P = (r * A) / (1 - (1 + r)^(-n))
Where:
P = the monthly payment
r = the monthly interest rate (which is the annual interest rate divided by 12)
A = the loan amount
n = the total number of payments
For Benjamin's loan, the loan amount is $30,000, the interest rate is 5.25%, and the loan is for 6 years, or 72 months. Plugging these values into the formula, we get:
r = 0.0525 / 12 = 0.004375
A = $30,000
n = 72
P = (0.004375 * $30,000) / (1 - (1 + 0.004375)^(-72)) = $484.64
Therefore, Benjamin's monthly payment for the car loan is $484.64.
If Benjamin chooses to lease the car instead, he will pay $600 per month for 72 months, plus a $2,500 down payment. Therefore, the total cost of leasing the car is:
Total cost = ($600 * 72) + $2,500 = $45,700
To calculate how much money Benjamin saves by purchasing the car instead of leasing it, we can subtract the total cost of the car loan from the total cost of the lease:
Savings = Total cost of lease - Total cost of car loan
Savings = $45,700 - ($484.64 * 72)
Savings = $11,720.48
1,285 students went to the school play. Of the total attendance, 60% were boys. How many boys attended the school play?
Answer:
771 boys
Step-by-step explanation:
To find your answer, multiply 1285 by 0.6. Since 1 means 100%, 0.6 would be 60%. When you multiply these two things, you get 771, so that's your final answer. You can use a calculator probably to solve this problem.
Need help and just bored and how do you view the answers on what people say kinda new to this I'll give you 100 points
Answer:
total visitors = 247+79+36 = 362
probability of next person buying one or more costume = 115/362
hope it helps
Your task: find out what happened that made eggs so expensive and why has the cost come
down so much in only 2 months
Dec 30, 2021-Price of eggs $1.5871 per dozen
Dec 30, 2022-$5.3461 per dozen
1. Round each price per dozen to nearest penny:
$1.59
$5.35
2. Find the percent of increase between these 2 years (show all work)
3. Find out why the price of eggs changed so much in that time (please be sure to state
where and how you obtained this info)
4. What is the price of eggs right now in our area? (how do you know? What did you do to
get this info?) (add the link)
5. Please find the percent of change since Dec 30, 2022 to now (show all work)
1. Rounding each price per dozen to nearest penny will be $1.6 and $5.4
2. The percent of increase between these 2 years will be
How to calculate the percentageA percentage simply has to do with the a value or ratio which can be stated as a fraction of 100. It should be noted that when we want to we calculate a percentage of a number, we simply divide it and then multiply the value that is gotten by 100.
The percent of increase between these 2 years will be:
= (5.4 - 1.6) / 1.6 × 100
= 3.8/1.6 × 100
= 237.5%
The reason for the change in price of eggs in that time was due to the increase in the feeding of poultry animals.
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What is the height h for the base that is 5/4 units long?
The measure of the height of the triangle is 3 / 8 units.
What are trigonometric identities?The branch of mathematics that sets up a relationship between the sides and the angles of the right-angle triangle is termed trigonometry.
The trigonometric functions, also known as circular, angle, or goniometric functions in mathematics, are real functions that link the angle of a right-angled triangle to the ratios of its two side lengths.
Given that the triangle has sides, 3 / 4 cm, 1 cm, and 5 / 4 cm.
The angle of the triangle is,
tanθ = ( 1 ) / ( 3 / 4 )
tanθ = 1.33
θ = 53.6°
The height will be,
h = ( 3 / 4 ) x sin53.4
h = 0.6
h = 4 / 5 cm
Therefore, the measure of the height of the triangle is 3 / 8 units.
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Mariana went to the store to buy some chicken. The price per pound of the chicken is $6.25 per pound and she has a coupon for $3.25 off the final amount. With the coupon, how much would Mariana have to pay to buy 5 pounds of chicken? Also, write an expression for the cost to buy
�
p pounds of chicken, assuming at least one pound is purchased.
Answer: Without the coupon, Mariana would have to pay $6.25 per pound of chicken, so for 5 pounds, the cost would be:
5 * $6.25 = $31.25
With the coupon, she would receive a discount of $3.25, so the final cost would be:
$31.25 - $3.25 = $28.00
To write an expression for the cost to buy p pounds of chicken, we can use the formula:
C = 6.25p - 3.25
where C is the cost in dollars and p is the number of pounds of chicken purchased. Note that the expression assumes that at least one pound is purchased, as indicated in the question.
Step-by-step explanation:
What is the value of x in the equation 3__2(4x – 1) – 3x = 5__4– (x + 2) ?
Equation:
[tex]\frac{3}{2}[/tex](4x – 1) – 3x = [tex]\frac{5}{4}[/tex]– (x + 2)
Solving for x
[tex]\frac{3}{2}[/tex] × 4x - [tex]\frac{3}{2}[/tex](-1) -3x= [tex]\frac{5}{4}[/tex]– (x + 2)
⇒6x + [tex]\frac{3}{2}[/tex] -3x= [tex]\frac{5}{4}[/tex]– x - 2
⇒6x -3x + x = [tex]\frac{5}{4}[/tex] - 2 - [tex]\frac{3}{2}[/tex]
⇒4x = [tex]\frac{5-8-6}{4}[/tex]
⇒4x = [tex]\frac{-9}{4}[/tex]
⇒x= [tex]\frac{-9}{16}[/tex]
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A set of stairs is being made from concrete. A picture of the stairs is shown below.
2 feet
5 feet
$1 foot
8 feet
5 feet
What is the volume, in cubic feet, of the set of stairs?
The volume of the set of stairs is 65 cubic feet.
What is volume ?In mathematics, the volume of an object is the amount of three-dimensional space that it occupies. It is a measure of the total amount of space that a solid object or a container can hold.
The volume of an object is usually measured in cubic units such as cubic meters ([tex]m^3[/tex]), cubic centimeters ([tex]cm^3[/tex]), or cubic feet (ft³), depending on the units of measurement used for its dimensions. The formula for calculating the volume of an object varies depending on its shape.
For simple shapes like cubes, rectangular prisms, and cylinders, the formulas for calculating their volumes are:
Volume of a cube = length x width x height
Volume of a rectangular prism = length x width x height
Volume of a cylinder = π x radius² x height
Where π (pi) is a mathematical constant approximately equal to 3.14, and the dimensions are all measured in the same units.
For irregular shapes, the volume can be determined using mathematical equations, computer modeling, or physical measurements. In real-world applications, volume is used in a variety of fields such as engineering, architecture, physics, and chemistry to describe the size, capacity, or amount of a substance or material.
According to given information :To calculate the volume of the set of stairs, we need to find the volume of each rectangular block that makes up the stairs and then add them up. Let's first find the dimensions of each rectangular block:
The first block has dimensions 2 feet by 5 feet by 1 foot.
The second block has dimensions 8 feet by 5 feet by 1 foot.
To find the volume of each block, we multiply its length by its width by its height. So, the volume of the first block is:
Volume of first block = length x width x height
= 5 feet x 5 feet x 1 foot
= 25 cubic feet
The volume of the second block is:
Volume of second block = length x width x height
= 8 feet x 5 feet x 1 foot
= 40 cubic feet
Therefore, the total volume of the set of stairs is:
Total volume = volume of first block + volume of second block
= 25 cubic feet + 40 cubic feet
= 65 cubic feet
Therefore, the volume of the set of stairs is 65 cubic feet.
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Answer:
Step-by-step explanation:
Answer:
The volume of the set of stairs is 65 cubic feet.
What is volume ?
In mathematics, the volume of an object is the amount of three-dimensional space that it occupies. It is a measure of the total amount of space that a solid object or a container can hold.
The volume of an object is usually measured in cubic units such as cubic meters (), cubic centimeters (), or cubic feet (ft³), depending on the units of measurement used for its dimensions. The formula for calculating the volume of an object varies depending on its shape.
For simple shapes like cubes, rectangular prisms, and cylinders, the formulas for calculating their volumes are:
Volume of a cube = length x width x height
Volume of a rectangular prism = length x width x height
Volume of a cylinder = π x radius² x height
Where π (pi) is a mathematical constant approximately equal to 3.14, and the dimensions are all measured in the same units.
For irregular shapes, the volume can be determined using mathematical equations, computer modeling, or physical measurements. In real-world applications, volume is used in a variety of fields such as engineering, architecture, physics, and chemistry to describe the size, capacity, or amount of a substance or material.
According to given information :
To calculate the volume of the set of stairs, we need to find the volume of each rectangular block that makes up the stairs and then add them up. Let's first find the dimensions of each rectangular block:
The first block has dimensions 2 feet by 5 feet by 1 foot.
To find the volume of each block, we multiply its length by its width by its height. So, the volume of the first block is:
Volume of first block = length x width x height
= 5 feet x 5 feet x 1 foot
= 25 cubic feet
The volume of the second block is:
Volume of second block = length x width x height
= 8 feet x 5 feet x 1 foot
= 40 cubic feet
Therefore, the total volume of the set of stairs is:
Total volume = volume of first block + volume of second block
= 25 cubic feet + 40 cubic feet
= 65 cubic feet
Therefore, the volume of the set of stairs is 65 cubic feet.
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Suppose you and a friend are playing a game that involves flipping a fair coin 3 times. Let X = the number of times that the coin shows heads. The probability distribution of X is shown in the table.
The expected number of heads is _____.
The standard deviation of the number of heads is ____. Round to three decimal places.
Question 1
The probability of tossing a head is [tex]\frac{1}{2}[/tex], making the answer [tex]3\left(\frac{1}{2} \right)=\boxed{1.5}[/tex].
Question 2
[tex](3)(1/2)(1/2)(1/2)=\boxed{0.375}[/tex]
Function A and Function B are linear functions.
Function A
Function B
y = 2x - 4
X
-5
-4
2
y
-11
-8
10
Which statements are true? Select all that apply.
The slope of Function A is greater than the slope of Function B.
The slope of Function A is less than the slope of Function B.
The y-intercept of Function A is greater than the y-intercept of Function B.
The y-intercept of Function A is less than the y-intercept of Function B.
Answer:
The true statements to be selected are the following:
"The slope of Function A is greater than the slope of Function B."
"The y-intercept of Function A is greater than the y-intercept of Function B."
Step-by-step explanation:
Based on the points that were provided for Function A: (-5, -11), (-4, -8), and (2, 10), we can create a linear function to represent the function. The slope of the function is 3, and the y-intercept would be 4, so the linear function of Function A would be y = 3x + 4. And the function of Function B is, as given, y = 2x - 4.
Now, we can compare the two functions and determine which statements are correct. Function A has a slope of 3 and a y-intercept of (0, 4), whilst Function B has a slope of 2 and a y-intercept of (0, -4). As both the slope and y-intercept of Function A is greater than the slope and y-intercept of Function B, the correct statements to select would be "The slope of Function A is greater than the slope of Function B." and "The y-intercept of Function A is greater than the y-intercept of Function B."
Have a great day! Feel free to let me know if you have any more questions :)
A boat is heading towards a lighthouse, whose beacon-light is 111 feet above the water. From point AA, the boat’s crew measures the angle of elevation to the beacon, 6^{\circ}
∘
, before they draw closer. They measure the angle of elevation a second time from point BB at some later time to be 13^{\circ}
∘
. Find the distance from point AA to point BB. Round your answer to the nearest tenth of a foot if necessary.
The required the distance from point A to point B is approximately 855.31 feet.
Explain about angle of elevation.The angle of elevation is the angle created between the line of sight and the horizontal. The angle created is an angle of elevation if the line of sight is upward from the horizontal line.
According to question:Let's call the distance from point A to the lighthouse "x" and the height of the lighthouse "h" (h = 111 feet). We can use the tangent function to relate the angle of elevation to the distance and height:
tan(5°) = h/x
Solving for x, we get:
x = h/tan(5°) ≈ 1268 feet
Now let's call the distance from point B to the lighthouse "y". We can use the same tangent function to relate the angle of elevation from point B:
tan(15°) = h/y
Solving for y, we get:
y = h/tan(15°) ≈ 412.69 feet
The distance between points A and B is just the difference between x and y:
1268 - 412.69 ≈ 855.31 feet
So the distance from point A to point B is approximately 855.31 feet.
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Complete question:
A boat is heading towards a lighthouse, whose beacon-light is 111 feet above the water. From point A, the boat's crew measures the angle of elevation to the beacon, 5º, before they draw closer. They measure the angle of elevation a second time from point B at some later time to be 15°. Find the distance from point A to point B. Round your answer to the nearest tenth of a foot if necessary.
Find an equation for the plane that passes through the point $(2,-1,3)$ and is perpendicular to the line $\mathbf{v}
The equation of the plane that passes through the point [tex]$(2,-1,3)$[/tex] and is perpendicular to the line [tex]$\mathbf{v}$[/tex] can be expressed in terms of a normal vector [tex]$\mathbf{n}$[/tex] and a point [tex]$\mathbf{p}$[/tex] on the plane as [tex]$\mathbf{n}\cdot(\mathbf{x}-\mathbf{p})=0$[/tex].
To find the normal vector [tex]$\mathbf{n}$[/tex], we must first find a vector parallel to the line [tex]$\mathbf{v}$[/tex]. We can do this by taking the cross product of two non-parallel vectors [tex]$\mathbf{u_1}$ and $\mathbf{u_2}$[/tex] that lie on the line. Let [tex]$\mathbf{u_1} = (1,2,1)$ and $\mathbf{u_2} = (3,4,3)$[/tex]. Then, [tex]$\mathbf{n}=\mathbf{u_1}\times\mathbf{u_2}=(-4,8,-4)$[/tex].The equation of the plane that passes through the point [tex]$(2,-1,3)$[/tex] and is perpendicular to the line [tex]$\mathbf{v}$[/tex] can be expressed in terms of a normal vector [tex]$\mathbf{n}$[/tex] and a point [tex]$\mathbf{p}$[/tex] on the plane as [tex]$\mathbf{n}\cdot(\mathbf{x}-\mathbf{p})=0$[/tex].
We can now calculate the equation of the plane as [tex]$\mathbf{n}\cdot(\mathbf{x}-\mathbf{p})=0$[/tex], where [tex]$\mathbf{x}=(x,y,z)$ and $\mathbf{p}=(2,-1,3)$[/tex]. Thus, the equation of the plane is [tex]$-4x+8y-4z+17=0$.[/tex]
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16 Question 6 Find the monthly payment for the loan. Finance $450,000 for an apartment complex with a 8.5% 30-year loan
Answer:
The monthly payment for the loan is $3,308.10
Step-by-step explanation:
To find the monthly payment for the loan, we can use the standard formula for a fixed-rate mortgage loan:
M = P [ i(1 + i)^n ] / [ (1 + i)^n - 1]
Where:
M = monthly payment
P = principal amount (the amount borrowed)
i = monthly interest rate (annual interest rate divided by 12)
n = total number of monthly payments (30 years * 12 months per year)
First, we need to calculate the monthly interest rate:
i = 8.5% / 12 = 0.00708333
Next, we can substitute the given values into the formula:
M = 450,000 [ 0.00708333(1 + 0.00708333)^360 ] / [ (1 + 0.00708333)^360 - 1]
Using a calculator, we can simplify this equation to find the monthly payment:
M = $3,308.10
Therefore, the monthly payment for the loan is $3,308.10
Alicia would like to know if there is a difference in the average price between two brands of shoes. She selected and analyzed a random sample of 40 different types of Brand A shoes and 33 different types of Brand B shoes, Alicia observes that the boxplot of the sample of Brand A shoe prices shows two outliers. Alicia wants to construct a confidence interval to estimate the difference in population means. Is the sampling distribution of the difference in sample means approximately normal? A) Yes, because Alicia selected a random sample Yes, because for each brand it is reasonable to assume that the population size is greater than ten times its sample size C) Yes, because the size of each sample is at least 30 D) No, because the distribution of Brand A shoes has outliers (E) No, because the shape of the population distribution is unknown
Because Alicia chose a random sample, the answer is (A).
How is the sampling distribution of the difference in sample means approximately normal?Regardless of the population distribution's shape, the Central Limit Theorem states that as sample size rises, the sampling distribution of the sample means tends to resemble a normal distribution. 40 pairs of Brand A shoes and 33 pairs of Brand B shoes were randomly chosen by Alicia, meeting the Central Limit Theorem's minimum sample size criterion. Hence, even though the distribution of Brand A shoes contains outliers, the sampling distribution of the difference in sample means is roughly normal. The Central Limit Theorem can be applied without assuming a particular population size or sample size, provided that the sample is independent and random.
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The correct answer is (C) Yes, because the size of each sample is at least 30.
Explain Central Limit Theorem?The Central Limit Theorem (CLT) states that the sampling distribution of the mean of a sufficiently large number of independent and identically distributed random variables will be approximately normal, regardless of the population distribution, with a mean equal to the population mean and a standard deviation equal to the population standard deviation divided by the square root of the sample size.
The Central Limit Theorem states that the sampling distribution of the difference in sample means will be approximately normal as long as the sample sizes are large enough, typically n≥30.
Therefore, the fact that Alicia's sample sizes are 40 and 33 respectively ensures that the sampling distribution is approximately normal, even with outliers in Brand A.
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verify, using the definition of convergence of a sequence, that the following sequences converge to the proposed limit. (a) lim 2n 1
To verify, using the definition of convergence of a sequence, that the following sequences converge to the proposed limit.
To prove that,
[tex]limn → ∞ \frac{2n+1}{5n+4} = \frac{2}{5} [/tex]
we use the limit definition then we need to prove the statement
[tex]∀ε>0,∃N∈Ns.t.n>N⟹ \frac{2n+1}{5n + 4} [/tex]
we already have,
[tex]∣ \frac{2n+1}{5n+4}− \frac{2}{5} ∣=∣− \frac{3}{5(5n+4)} ∣= \frac{3}{5(5n+4)} [/tex]
For every positive ε, we choose that N=⌈1/ε⌉, where we are using the ceiling function to locate the smallest integer number larger than the fraction 1/ε. This gives us a natural number, proving that the limit's quantified statement definition is accurate:.
[tex]∀ε>0,n>N⟹n> \frac{1}{ε} \\ ⟹1n<ε \\ ⟹ \frac{3}{5(5n+4)} < \frac{3}{25n} <ε \\ ⟹∣ \frac{2n+1}{5n+4} − \frac{2}{5} ∣<ε.[/tex]
Hence, proved.
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Use the given points to write a system of two linear equations with the two unknowns being the slope and y-intercept of the line. Solve the system to identify those parameters and write the equation for the line passing through the two points in slope-intercept form.
(2, 5) and (6, 2)
(-1, 3) and (0, -2)
(-2, -4) and (2, 1)
The equations of the lines passing through the specified points in slope-intercept form are;
The equation of the line passing through the point (2, 5) and (6, 2) is; y = (-3/4)·x + 6.5The equation of the line passing through the points (-1, 3) and (0, -2) in slope-intercept form is; y = -5·x - 2The line passing through the points (-2. -4) and (2, 1) is; y = 1.25·x - 1.5What is the equation of a line in slope-intercept form?The slope-intercept form of the equation of a line is; y = m·x + c
Where;
m = The slope of the line
c = The y-intercept
The points are; (2, 5), and (6, 2)
The slope and the y-intercept of the line are found as follows;
Let m represent the slope and let c represent the y-intercept, we get the following system of equations;
5 = 2·m + c...(1)
2 = 6·m + c...(2)
Therefore;
The difference between the two equations are;
5 - 2 = 2·m - 6·m + (c - c)
3 = -4·m
m = -3/4
5 = 2·m + c
Therefore;
5 = 2 × (-3/4) + c
c = 5 + 2 × (3/4) = 6.5
The equation is therefore; y = -(3/4)·x + 6.5The points are; (-1, 3) amd (0, -2)
The equation are;
3 = -1·m + c...(1)
-2 = 0×m + c...(2)
Therefore;
c = -2
3 = -1·m + c
3 = -1·m - 2
m = (3 + 2)/(-1) = -5
The equation is therefore;
y = -5·x - 2The points are; (-2, -4) and (2, 1)
The equation are;
-4 = -2·m + c...(1)
1 = 2·m + c...(2)
Subtracting equation (2) from equation (1), we get;
-4 - 1 = -2·m - 2·m = -4·m
-5 = -4·m
m = -5/(-4) = 1.25
m = 1.25
-4 = -2·m + c
Therefore;
-4 = -2 × 1.25 + c
-4 = -2.5 + c
c = -4 + 2.5 = -1.5
c = -1.5
The equation is therefore; y = 1.25·x - 1.5
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Show that equation (5.3) is true by considering an investment in the asset combined with a short position in a futures contract. Assume that all income from the asset is reinvested in the asset. Use an argument similar to that in footnotes 2 and 4 of this chapter and explain in detail what an arbitrageur would do if equation (5.3) did not hold.
5.3 equation:
F0= S0e(r-q)T
Footnote 2:
For another way of seeing that equation (5.1) is correct, consider the following strategy: buy one unit of the asset and enter into a short forward contract to sell it for F0 at time T. This costs S0 and is certain to lead to a cash inflow of F0 at time T. Therefore S0 must equal the present value of F0; that is, S0= F0erT, or equivalently F0= S0erT
Equation 5.1 F0= S0erT.
Footnote 4:
For another way of seeing that equation (5.2) is correct, consider the following strategy: buy one unit of the asset and enter into a short forward contract to sell it for F0 at time T. This costs S0 and is certain to lead to a cash inflow of F0 at time T and an income with a present value of I. The initial outflow is S0. The present value of the inflows is I+ F0e-rT. Hence, S0=I + F0e-rT, or equivalently F0= (S0 – I)erT
Equation 5.2 F0= (S0 – I)erT
The futures price F0 must be equal to the present value of the expected future spot price, which is [tex]S0e^{(r-q)} T[/tex]. Hence, equation (5.3) is true.
We can use a similar strategy to Footnote 2 to show that equation (5.3) is correct.
Consider an investor who wants to invest in an asset with spot price S0, which pays a continuous dividend yield of q, and simultaneously take a short position in a futures contract with maturity T, which has a futures price of F0. The investor buys one unit of the asset for S0 and sells a futures contract for F0.
At maturity T, the futures contract will be settled at the spot price of the asset, ST. If ST > F0, the investor makes a profit of ST - F0 on the asset, but incurs a loss of F0 - ST on the futures contract. If ST < F0, the investor incurs a loss of F0 - ST on the asset, but makes a profit of ST - F0 on the futures contract.
Now, suppose that equation (5.3) does not hold, i.e., [tex]F0 \neq S0e^{(r-q)} T[/tex]. If [tex]F0 > S0e^{(r-q)} T[/tex], then the investor can buy the asset for S0, sell a futures contract for F0, and invest the difference [tex](F0 - S0e^{(r-q)} T)[/tex] at the risk-free rate r. At maturity T, the investor will receive ST from the asset, F0 from the futures contract, and [tex](F0 - S0e^{(r-q)} T)e^r(T-t)[/tex] from the investment. The total cash inflow will be [tex]ST + F0 + (F0 - S0e^{(r-q)} T)e^r(T-t).[/tex] But this is greater than the initial outflow of S0, which means that the investor can make a riskless profit, violating the no-arbitrage principle.
Similarly, if[tex]F0 < S0e^{(r-q)} T[/tex], then the investor can short-sell the asset for S0, buy a futures contract for F0, and borrow the difference [tex](S0e^{(r-q)} T - F0)[/tex] at the risk-free rate r. At maturity T, the investor will receive ST from the short sale, F0 from the futures contract, and [tex](S0e^{(r-q)} T - F0)e^r(T-t)[/tex]from the borrowing. The total cash inflow will be [tex]ST + F0 + (S0e^{(r-q)} T - F0)e^r(T-t)[/tex]. But this is greater than the initial outflow of S0, which means that the investor can make a riskless profit, violating the no-arbitrage principle.
Therefore, to avoid arbitrage opportunities, The futures price F0 must be equal to the present value of the expected future spot price, which is [tex]S0e^{(r-q)} T[/tex]. Hence, equation (5.3) is true.
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help me out here guys
x represents the increase in the length and width of the garden from the expression.
What is Area of Rectangle?The area of Rectangle is length times of width.
Ishan garden is in the shape of a rectangle.
The length of the garden is 15 feet and width is 5 feet.
He plans to increase the length and width of his garden.
The total amount of fencing is given as expression
(x+15)+(x+5)+(x+15)+(x+5)
We have to check what the x represents in the expression.
The x represents the increase in the length and width of the garden.
Hence, x represents the increase in the length and width of the garden.
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NO LINKS!! URGENT HELP PLEASE!!!
For #1-3, find the area of each figure, round your answer to one decimal point if necessary.
Answer: #1 108 #2 526. #3 512
Step-by-step explanation:
6*6=36 +12*6 = 108
22*3=66 + 20*23= 460 460+66=526
16*16=256 + 32*8=256 256+256=512
Answer:
1) 108 cm²
2) 906 ft²
3) 512 m²
Step-by-step explanation:
To calculate the area of each given composite figure, divide the figure into two rectangles and sum the area of the two rectangles.
[tex]\boxed{\begin{minipage}{5cm}\underline{Area of a rectangle}\\\\$A=w\cdot l$\\\\where:\\ \phantom{ww} $\bullet$ \quad $w$ is the width.\\ \phantom{ww} $\bullet$ \quad $l$ is the length.\\\end{minipage}}[/tex]
Question 1Separate the figure into two rectangles by drawing a horizontal line (see attachment).
[tex]\begin{aligned}\textsf{Total Area}&=\textsf{Area 1}+\textsf{Area 2}\\&= 6\cdot 6+12 \cdot 6\\&=36+72\\&=108\; \sf cm^2\end{aligned}[/tex]
Question 2Separate the figure into two rectangles by drawing a vertical line (see attachment).
[tex]\begin{aligned}\textsf{Total Area}&=\textsf{Area 1}+\textsf{Area 2}\\&= 22\cdot23 + 20\cdot 20\\&=506+400\\&=906\; \sf ft^2\end{aligned}[/tex]
Question 3Separate the figure into two rectangles by drawing a horizontal line (see attachment).
[tex]\begin{aligned}\textsf{Total Area}&=\textsf{Area 1}+\textsf{Area 2}\\&= 16\cdot16 + 32\cdot 8\\&=256+256\\&=512\; \sf m^2\end{aligned}[/tex]
PLEASE HELP FAST!!! IT IS URGENT!!!
A local athletic facility offers a four-week training course, hoping to increase athletes' running speeds. Thirty-fve volunteer athletes are timed, in seconds, running a 50-yard dash before the training program begins and then again aiter the program is complete. The difference in running times (before training- after training) is calculated for each athlete. Are the conditions for inference met?
O No. The athletes who volunteered for this study were not randomly assigned a treatment order.
O No. The 10% condition is not met.
O No. The Normal/Large Sample condition is not met because the sample size is too small.
O Yes. All conditions are met.
Answer: I think that the answer is the fourth option. Yes. All conditions are met. I might be wrong but that's my best guess.
Step-by-step explanation: The athletes were assigned randomly, so it can't be option one. I'm not totally sure what a ten percent condition is, but I didn't see anything in the question about it. The Normal/Large Sample condition is met. And it looks like all of the conditions are met.
Don and Ana are driving to their vacation destination. Upon entering the freeway they began driving at a constant rate of 65 miles an hour. Don noticed that 5 hours into the trip they were 625 miles from the destination. a. How far from their destination will they be 5.3 hours since entering the freeway? Preview b. How far from their destination were they 4.7 hours since entering the freeway? Preview
(a) Thus, they are 601.5 miles far from their destination.
(b) Thus, they are 692.5 miles far from their destination.
We know that speed, distance, and time all are in a relationship to each other. this relationship can be given as,
Speed*time = Distance
Given to us
Speed = 65 miles an hour
Don noticed that 5 hours into the trip they were 625 miles from the destination.
Distance traveled by them in 5 hours
We know that Don and Ana are traveling at a constant speed and they are traveling for 5 hours.
Distance = speed * time
Distance = 65 *5 = 320 miles.
Thus, the Distance traveled by them in 5 hours is 320 miles.
Total Distance from their destination
We know that Don and Ana are traveling on the freeway for the past 5 hours and they are still 625 miles away, therefore,
otal Distance from their destination
= Distance traveled by them in 5 hours + 650 miles
= 320 miles + 625miles
=945 miles
Thus, the distance traveled by then is 945 miles.
A.) Distance between them and destination after 5.3 hours since entering the freeway,
Distance traveled by them = speed x 5.3
= 65*5.3 = 344.5
Distance between them and the destination
= Total Distance from their destination - Distance traveled by them
= 945 miles - 344.5 miles
= 601.5 miles
Thus, they are 601.5 miles far from their destination.
B.) Distance between them and destination after 2.3 hours since entering the freeway,
Distance traveled by them = speed x 4.7
= 65 x 4.7 = 305.5 miles
Distance between them and the destination
= Total Distance from their destination - Distance traveled by them
= 945miles - 305.5 miles
= 639.5 miles
Thus, they are 692 miles far from their destination.
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PLEASE HELP
use the information given in the figure to find the length of TR . IF applicable , round your answer the nearest whole number
Step-by-step explanation:
first Pythagoras to get PT :
85² = 77² + PT²
7225 = 5929 + PT²
PT² = 1296
PT = 36
second Pythagoras to get ST :
39² = PT² + ST² = 36² + ST²
1521 = 1296 + ST²
ST² = 225
ST = 15
third Pythagoras to get TR :
97² = ST² + TR² = 15² + TR²
9409 = 225 + TR²
TR² = 9184
TR = 95.83318841... ≈ 96
game show on a game show, you are given five digits to arrange in the proper order to form the price of a car. if you are correct, you win the car. what is the probability of winning, given the following conditions? (a) you guess the position of each digit. (b) you know the fir
Probability of winning, you guess the position of each digit is 0.00833 and Probability of winning when you know the first correct piece is 0.04167.
There are 5 pieces to form a car.
Total number of arrangement of these 5 pieces is 5! = 5×4×3×2×1 = 120 ways
Of these 120 arrangements only 1 arrangement will form a proper car
(a) Probability that each position's guess is correct is = 1/ 120
Thus, the probability of getting all the guesses correct is 0.00833 or 0.833%.
(b) It is given that we know the first correct piece.
That is we need to guess the other 4 from the 4 remaining pieces.
Total number of arrangement of these 5 pieces is 4!
= 4×3×2×1 = 24 ways
Of these 24 arrangements only 1 arrangement will form a correct arrangement with the known first piece.
Probability that each position's guess is correct = 1/24
Thus, the probability of getting all the guesses correct when we know the first correct piece is 0.04167 or 4.17%.
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an arithmetic sequence has the following two terms: a11=40 and a27=112. write the explicit formula defining the nth term an.
The explicit formula for the nth term of an arithmetic sequence with a11=40 and a27=112 is an = 4.5n - 9.5.
To find the explicit formula for an arithmetic sequence, you need to know two terms in the sequence. Using the formula, you can find the common difference, and then use one of the terms to find the first term. With those values, you can write the explicit formula for any term in the sequence.
The explicit formula for an arithmetic sequence is given by:
an = a1 + (n - 1)d
where a1 is the first term, d is the common difference, and n is the term number.
To find the common difference d, we can use the fact that a27 = a1 + 26d = 112 and a11 = a1 + 10d = 40.
Subtracting the second equation from the first, we get:
16d = 72
So, d = 4.5.
Now we can use a11 = 40 to find a1:
a11 = a1 + 10d = 40
a1 + 45 = 40
a1 = -5
Therefore, the explicit formula for this arithmetic sequence is:
an = -5 + 4.5(n - 1)
Simplifying, we get:
an = 4.5n - 9.5
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In plane P, lines m and n intersect at point A. If line k is perpendicular to line m and line n at point A, then line k is 1) contained in plane p 2) parallel to plane p 3) perpendicular to plane p 4) skew to plane p
Answer:
3)
Step-by-step explanation:
2 lines establish a plane (it is the same plane P as mentioned in the description).
a line being perpendicular (having a right angle = 90°) to 2 other lines means it is perpendicular to the plane these 2 lines are establishing.
as it is impossible for a line to be perpendicular to 2 other lines in the same plane, if these 2 other lines are intersecting. it would only be possible, if these 2 lines were parallel.
NO LINKS!!! URGENT HELP PLEASE !!!
#1-3
Find the shaded area of each figure, and round your answer to one decimal place if necessary.
You posted a lot of questions. I'll do the first three to get you started.
==================================================
Problem 1
Answer: 55 square inchesExplanation:
Draw a vertical line to enclose the un-shaded region. Think of it like adding fencing to enclose a paddock or backyard.
What results are two rectangles. The larger rectangle has area = length*width = 8*10 = 80 square inches.
The smaller unshaded rectangle inside has area of 5*5 = 25 square inches.
The difference of those areas is: 80-25 = 55
You have the correct answer. Nice work.
==================================================
Problem 2
Answer: 486 square feetExplanation:
Follow the same set of steps as done in the previous problem. Draw a vertical line to form a larger rectangle.
The larger rectangle has area of 18*31.5 = 567 square feet.
The smaller unshaded rectangle has area of 9*9 = 81 square feet.
Subtract those results to get the shaded region only: 567-81 = 486
==================================================
Problem 3
Answer: 5.6 square cmExplanation:
This time we don't have to add any extra lines to enclose the figure.
A = larger area = 6*2.4 = 14.4
B = smaller unshaded area = 2*4.4 = 8.8
C = A-B = 14.4-8.8 = 5.6 square cm
You have the correct answer. Nice work.
Answer:
1) 55 in²
2) 486 ft²
3) 5.6 cm²
Step-by-step explanation:
To calculate the area of each given figure, subtract the area of the cut-out rectangle (marked in blue on the attached diagram) from the area of the larger rectangle.
[tex]\boxed{\begin{minipage}{5cm}\underline{Area of a rectangle}\\\\$A=w\cdot l$\\\\where:\\ \phantom{ww} $\bullet$ \quad $w$ is the width.\\ \phantom{ww} $\bullet$ \quad $l$ is the length.\\\end{minipage}}[/tex]
Question 1[tex]\begin{aligned}\textsf{Total Area}&=\textsf{Larger rectangle}-\textsf{Cut-out rectangle}\\&=8 \cdot 10- 5\cdot 5\\&=80-25\\&=55\; \sf in^2\end{aligned}[/tex]
Question 2[tex]\begin{aligned}\textsf{Total Area}&=\textsf{Larger rectangle}-\textsf{Cut-out rectangle}\\&= 31.5\cdot 18- 9\cdot 9\\&=567-81\\&=486\; \sf ft^2\end{aligned}[/tex]
Question 3[tex]\begin{aligned}\textsf{Total Area}&=\textsf{Larger rectangle}-\textsf{Cut-out rectangle}\\&= 6\cdot 2.4- 4.4\cdot2 \\&=14.4-8.8\\&=5.6\; \sf cm^2\end{aligned}[/tex]
How many boxes do i need?
Answer: 11/3
Step-by-step explanation: 2 1/5= 11/5
11/5 ÷ 3/5= 11/3
(keep change and flip) change the division sign to multiplication and the 3/5 would become 5/3
write it down visually
Answer: 3 2/3
In order to solve this we must turn our fractions into whole numbers.
2 1/5 as a whole number is 2.20
3/5 as a whole number is .6
Next we must divide our two whole numbers into one another.
2.20/.6 is 3.66666667
666666667 as a fraction is 2/3.
This means that 3/5 can fit into 2 1/5 3 whole times and 2/3 of a whole. This means you will need 3 whole boxes and 2/3 of a box.
I hope this helps & Good Luck <3 !!!
What values does the function f of x is equal to the square root of the quantity x plus 1 end quantity minus 1 have in its range that are not in the range of the graph of g(x)?
The correct option for mentioned function is is A. (-1,1).
Describe Function?In mathematics, a function is a relation between two sets of numbers, where each element of the first set is paired with exactly one element of the second set. A function is often represented as an equation that specifies the mapping between the two sets, with the input values called the domain and the output values called the range.
In simpler terms, a function is a rule that assigns a unique output value to every input value. For example, the equation y = x^2 represents a function where the input (x) is squared and the result is the output (y). If x = 3, then y = 9. A function can be represented as a table, graph, or equation.
Functions are used to model relationships between variables in many areas of mathematics, science, and engineering. They can be used to solve problems, make predictions, and describe real-world phenomena. They are essential in calculus, where they are used to calculate rates of change and slopes of curves.
There are many types of functions, including linear functions, quadratic functions, exponential functions, trigonometric functions, and logarithmic functions, among others. Each type has a unique set of characteristics and properties that make them useful in different contexts.
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A random sample of 10 subjects have weights with a standard deviation of 14.0480 kg. What is the variance of their weights? Be sure to include the appropriate units with the result. The variance of the sample data is?
The variance of the sample data is equal to 197.3463 kg^2.
How to calculate the standard deviation of a data sample?In Statistics, the standard deviation of a data sample is the square root of the variance and as such, this given by the following mathematical expression:
Standard deviation, δ = √Variance
By making variance the subject of formula, we have the following:
Variance = δ²
By taking the square of standard deviation, the variance would be calculated as follows:
Variance = δ²
Variance = 14.0480²
Variance = 197.3463 kg^2.
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I need help with this.
The side length of each piece is given as follows:
[tex]20\sqrt{2}[/tex] inches.
What is the Pythagorean Theorem?The Pythagorean Theorem states that for a right triangle, the length of the hypotenuse squared is equals to the sum of the squared lengths of the sides of the triangle.
For this problem, the parameters are given as follows:
Two sides of length x.Hypotenuse of length 40 inches.Hence the side length of each piece is obtained as follows:
x² + x² = 40²
2x² = 40²
x² = 800
x = sqrt(2 x 400)
[tex]x = 20\sqrt{2}[/tex]
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Explain why the graph of a linear equation in the form of y = c is the horizontal line, parallel to the x-axis passing through the point (0,c).
The linear equation in the form of y = c is the horizontal line, parallel to the x-axis passing through the point (0,c), because in this equation the x-intercept is 0.
What are linear equations?A linear equation is an equation in which the highest power of the variable is always 1.
The line y = c, is always parallel to x-axis because here if we compare to general equation of a line y = mx+c, the m is zero that means the slope is zero and also the x-intercept is zero.
Therefore, the line y = c is the horizontal line, parallel to the x-axis.
Hence, the linear equation in the form of y = c is the horizontal line, parallel to the x-axis passing through the point (0,c), because in this equation the x-intercept is 0.
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