Use the lapcale transform to solve the given initial value problem.
yⁿ - y' = 6y = 0; y(0) = 1, y'(0) = -1

Answers

Answer 1

The final expression to the given initial value is

y(t) = (\(e^{(-2t)}\) / 10) (-3 sin(√2 t) + √2 cos(√2 t)), y(0) = 1, y'(0) = -1

How to evaluate the given value by Laplace transform?

There appears to be a typo in the given differential equation, as there is an equal sign between two terms.

Assuming the equation is:

y'' - y' + 6y = 0; y(0) = 1, y'(0) = -1

We can use Laplace transform to solve this initial value problem. Applying the Laplace transform to both sides of the equation,we get:

s²Y(s) - s y(0) - y'(0) - (s Y(s) - y(0)) + 6Y(s) = 0

where Y(s) is the Laplace transform of y(t).

Substituting the initial conditions y(0) = 1 and y'(0) = -1,we get:

s² Y(s) - s - (-1) - s Y(s) + 1 + 6Y(s) = 0

Simplifying this equation, we get:

Y(s) = (s - 1) / (s²+ s + 6)

To solve for y(t), we need to take the inverse Laplace transform of Y(s). We can do this by using partial fraction decomposition. Factoring the denominator of Y(s), we get:

s² + s + 6 = (s + 2 - i√2)(s + 2 + i√2)

Therefore, we can write:

Y(s) = A / (s + 2 - i√2) + B / (s + 2 + i√2)

where A and B are constants to be determined.

Multiplying both sides by the denominator of the first term and setting s = -2 + i√2, we get:

A = (s - 1) / (s + 2 - i√2)(-2 + i√2)

Substituting s = -2 + i√2 and simplifying, we get:

A = (-3 + i√2) / (-10 - 2i√2)

Similarly, setting s = -2 - i√2, we get:

B = (-3 - i√2) / (-10 + 2i√2)

Therefore, we can write:

Y(s) = (-3 + i√2) / ((s + 2 - i√2)(-10 - 2i√2)) + (-3 - i√2) / ((s + 2 + i√2)(-10 + 2i√2))

Taking the inverse Laplace transform of Y(s) using a table of Laplace transforms, we get:

y(t) = (\(e^{(-2t)}\) / 10) (-3 sin(√2 t) + √2 cos(√2 t))

Therefore, the solution to the given initial value problem is:

y(t) = (\(e^{(-2t)}\) / 10) (-3 sin(√2 t) + √2 cos(√2 t)), y(0) = 1, y'(0) = -1

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Related Questions

A quality-control manager reandomly selectrs 20 bottles of apple juice that were filled ocotber 22 to assess the calibration of filling machine. What is the population in the​ study?

Answers

The population in the study is all bottles of apple juice filled on October 22.

The population in the study refers to the entire set of units that possess the specific characteristics of interest in a study.

In this case, the quality-control manager randomly selects 20 bottles of apple juice that were filled on October 22 to evaluate the calibration of the filling machine.In the given scenario, the population is the entire set of bottles of apple juice that were filled on October 22. This is because the manager wants to evaluate the calibration of the filling machine used on that day.

Therefore, the population in the study is all bottles of apple juice filled on October 22. The sample in this case is the 20 bottles of apple juice that were randomly selected by the quality-control manager to assess the calibration of the filling machine.

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evaluate x2+x-12÷y2 for x = 5 and y =2​

Answers

Answer:

3

Step-by-step explanation:

Which function best models the data?

Time, t (s) 0 0.5 1.0 1.5 2.0
Height, h (m) 3.0 6.8 8.2 7.0 3.3
A. h(t) = −15.9t2 + 2.99t + 10.22
B. ​h(t) = −16.1t2 + 10.22t + 2.99
C. h(t) = −5.03t2 + 10.22t + 2.99
D. ​h(t) = −5.03t2 + 2.99t + 10.22

Answers

Answer:

Step-by-step explanation:

Option c

◄) What is the value of p? P 49° 29°​

) What is the value of p? P 49 29

Answers

Answer:

P = 78°

Step-by-step explanation:

Hope this helps! Pls give brainliest!

4. Two TV shows each asked 100 viewers for their ages. For one show, the
mean age of the viewers was 35 years and the MAD was 20 years. For the
other show, the mean age of the viewers was 30 years and the MAD was
5 years.
A sixth-grade student says he watches one of the shows. Which show do
you think he watches? Explain your reasoning. (Lesson 8-12)

Answers

Drawing conclusions, predicting the future, or developing an explanation are all examples of reasoning.

Does reasoning mean thinking?

Using particular examples to support a sound inference is the process of reasoning. This strategy relies on specific examples 1, 2, and 3 to draw a broad generalisation about the entire case. For instance, my Sony stereo, car radio, television, and video system are all in good working order.

A conclusion, a prediction, or an explanation can be reached by utilising knowledge already at hand in the reasoning process. Deductive, inductive, and abductive techniques of reasoning are three different types.

Deductive, inductive, abductive, and analogous reasoning will be the four types of reasoning we will be concentrating on in this article. A logical, deliberate technique of thinking is reasoning.

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Change one number in the equation below to safely land the plane.

Press "Submit" to see if the plane lands safely.

Answers

Well I need to see the equation and plane to change a number....

n linear​ programming, what is another name for sensitivity​ analysis? part 2 a. regression analysis b. postoptimality analysis c. parametric analysis d. robustness analysis

Answers

Postoptimality analysis is another name for sensitivity analysis

What is sensitivity analysis?

According to a certain set of supposition, sensitivity analysis evaluates how various values of an independent variable affect a specific dependent variable. In other words, sensitivity studies look at how different types of uncertainty in a mathematical model affect the overall level of uncertainty in the model. This method is used within boundaries that are preset and depend on one or more input variables.

Both the corporate sector and the study of economics employ sensitivity analysis. It is often referred to as a what-if study and is frequently utilized by economists and financial experts.

Therefore, Postoptimality analysis is another name for sensitivity

analysis and thus option B is the correct answer

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pleaseeee, helppp, mee ill give brainiest if correct

pleaseeee, helppp, mee ill give brainiest if correct

Answers

Answer: Reflection

Step-by-step explanation: reflection: when a figure flips over a line

Which of the following export pricing strategy does NOT consider fixed costs in setting price for export? a. Flexible cost-plus method b. Incremental pricing c. Standard worldwide price d. Rigid cost-plus method

Answers

b. Incremental pricing is correct answer.

Incremental pricing is a pricing strategy that focuses on covering only the variable costs associated with exporting a product. It does not take into account fixed costs such as overhead expenses or other costs that are not directly related to the production and export of the product.

On the other hand, the other options mentioned do consider fixed costs in setting the price for export:

a. Flexible cost-plus method: This method considers both variable costs and fixed costs, and adds a markup or profit margin to determine the export price.

c. Standard worldwide price: This strategy sets a uniform price for the product across different markets, taking into account both variable and fixed costs.

d. Rigid cost-plus method: Similar to the flexible cost-plus method, this approach includes both variable and fixed costs in setting the price for export.

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Drawbacks that campaigners should avoid in order to run a successful social media campaign on human rights violations

Answers

When running a social media campaign on human rights violations, campaigners should be mindful of the following drawbacks to ensure a successful campaign:

Oversimplification: Avoid oversimplifying complex human rights issues. Presenting a nuanced understanding of the problem is essential to engage and educate the audience effectively. Provide accurate information and context to foster a comprehensive understanding of the issue at hand.

Lack of Diversity: Ensure diversity and inclusivity in the campaign. Represent the perspectives and experiences of different communities affected by human rights violations. Amplify marginalized voices and avoid a narrow focus that may exclude important narratives and perspectives.

Slacktivism: Guard against the risk of slacktivism, which refers to shallow or superficial engagement in online activism. Encourage meaningful actions beyond social media, such as signing petitions, donating to relevant organizations, or engaging in offline activities to create real-world impact.

Emotional Manipulation: While emotions can be powerful motivators, avoid excessive emotional manipulation that may exploit or sensationalize the suffering of individuals. Maintain empathy and respect for the dignity and privacy of those affected by human rights violations

Lack of Follow-up: Plan for sustained engagement beyond the campaign period. Develop strategies to maintain interest and keep supporters informed about progress, advocacy efforts, and ongoing human rights issues. Encourage ongoing dialogue and provide resources for individuals to take further action.

By avoiding these drawbacks, campaigners can create a responsible and impactful social media campaign on human rights violations that raises awareness, mobilizes support, and contributes to positive change.

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Combine like terms to create an equivalent expression. Enter any coefficients as simplified proper or improper fractions or integers.

Combine like terms to create an equivalent expression. Enter any coefficients as simplified proper or

Answers

Answer:

  1 -9/7n

Step-by-step explanation:

  \(\dfrac{1}{7}-3\left(\dfrac{3}{7}n-\dfrac{2}{7}\right)=\dfrac{1}{7}-\dfrac{3\cdot3}{7}n+\dfrac{3\cdot2}{7}=\dfrac{1}{7}+\dfrac{6}{7}-\dfrac{9}{7}n\\\\=\dfrac{1+6}{7}-\dfrac{9}{7}n=\boxed{1-\dfrac{9}{7}n}\)

Answer:

1 - (9n/7)

Step-by-step explanation:

1/7 - 3(3/7n - 2/7)

1/7 - 9n/7 + 6/7

1 - 9n + 6/7

1 - 9n + 6/7

7 - 9n/7

7/7 - 9n/7

1 - 9n/7

What is the 92nd term of 11,19,27

Answers

Answer:

the 92nd term of the arithmetic sequence is 731 because the common difference between them is 8.

Can someone help me with my homework

Can someone help me with my homework

Answers

Answer:

lol i ltterally don't know what this is and im in algebra

Step-by-step explanation:

Answer:

1. Angle EFC and DCF

2.  All angles of a parallelogram add up to 360 so 4x-15+127=180 degrees

3. (4) 150 degrees

4. P = 45 degrees

Step-by-step explanation:

Consider the following data drawn independently from normally distributed populations: (You may find it useful to appropriate table: z table or t table)
xˉ1 = −17.1
s1^2 = 8.4
n1=22
​xˉ2 = −16.0
s2^2 = 8.7
n2 = 24

a. Construct the 90% confidence interval for the difference between the population means. Assume the population va unknown but equal. (Round final answers to 2 decimal places.)
confidence interval is __ to __

Answers

The 90% confidence interval for the difference in the population means is -2.51 to 0.31

Calculating the 90% confidence interval for the population mean difference  

From the question, we have the following parameters that can be used in our computation:

xˉ₁ = −17.1

s₁² = 8.4

n₁ = 22

​xˉ₂ = −16.0

s₂² = 8.7

n₂ = 24

Calculate the pooled variance using

P = (df₁ * s₁² + df₂ * s₂²)/df

Where

df₁ = 22 - 1 = 21

df₂ = 24 - 1 = 23

df = 22 + 24 - 2 = 44

So, we have

P = (21 * 8.4 + 23 * 8.7)/44

P = 8.56

Also, we have the standard error to be

SE = √(P/n₁ + P/n₂)

So, we have

SE = √(8.56/22 + 8.56/24)

SE = 0.86

The z score at 90% CI is 1.645, and the CI is calculated as

CI =  (x₁ - x₂) ± z * SE

So, we have

CI = (-17.1 + 16.0) ± 1.645 * 0.86

This gives

CI = -1.1 ± 1.41

Expand and evaluate

CI = (-2.51, 0.31)

Hence, the confidence interval is -2.51 to 0.31

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help me number 2 please

help me number 2 please

Answers

Answer:

sqrt53

Step-by-step explanation:

So here I'm assuming you need to know the hypotenuse of the triangle. Since it is a right triangle, we are able to use Pythagorean's theorem which is a^2 + b^2 = c^2.

We can set a = 2, b = 7, and solve for c.

2^2 + 7^2 = c^2

4 + 49 = c^2

53 = c^2

c = sqrt53

C would equal to sqrt56

What is 10% of 30 plz help I am stuck in this answer

Answers

the correct answer is 3

Answer:

it's 3

Step-by-step explanation:

if I have if I have 12 avocados that are cut in half how many avacados are there?​

Answers

Answer:

you have 12 avacados

Step-by-step explanation:

The question didn't ask how many halves you had. you have this question asking you how many you have TOTAL. not cut in half. if it was in half, you would have 24 halves

Answer the following: (10 points) a. Find the area to the right of z= -1 for the standard normal distribution. b. First year college graduates are known to have normally distributed annual salaries wi

Answers

The area to the right of z = -1 for the standard normal distribution is approximately 0.8413.

a. To find the area to the right of z = -1 for the standard normal distribution, we need to calculate the cumulative probability using the standard normal distribution table or a statistical calculator.

From the standard normal distribution table, the area to the left of z = -1 is 0.1587. Since we want the area to the right of z = -1, we subtract the left area from 1:

Area to the right of z = -1 = 1 - 0.1587 = 0.8413

Therefore, the area to the right of z = -1 for the standard normal distribution is approximately 0.8413.

b. To answer this question, we would need additional information about the mean and standard deviation of the annual salaries for first-year college graduates. Without this information, we cannot calculate specific probabilities or make any statistical inferences.

If we are provided with the mean (μ) and standard deviation (σ) of the annual salaries for first-year college graduates, we could use the properties of the normal distribution to calculate probabilities or make statistical conclusions. Please provide the necessary information, and I would be happy to assist you further.

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Breanna bikes 84 miles in 6 hours at a constant rate. The formula d = rt gives the relationship between distance (d), rate (r), and time (t). At what rate was Breanna biking?

Answers

Breanna was biking at a constant rate of 14 miles per hour.

What does rate means?

A rate can be defined as the speed at which something happens or changes or the amount or number of times it happens or changes in a particular period.

The formula that describes the relationship between distance (d), rate (r), and time (t) is d = rt.

Now, we will solve for r. From d = rt. Our r will equals to:

= d/t.

Now we compute the rate at which Breanna was biking.

= 84 miles/6 hours

= 14.

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Evaluate: (7.88)(-1.5)​

Answers

Answer:

7.88  by  − 1.5 = − 11.82

Step-by-step explanation:

Multiply the two

(7.88)(-1.5) = 7.88•-1.5
You would multiply and get
-11.82

If in a population the rate of mutation that converts the A allele to the a allele is 10^-6 and the current frequency of the A allele is 0.75 and the a allele is 0.25, then the frequency of the A and a alleles in the next generation will be
Multiple Choice
O A: 0.74 a: 0.26
O A: 0.75000075 a: 0.24999925
O A: 0.75 a: 0.25
O A: 0.74999925 a: 0.25000075

Answers

The frequency of A allele after a single generation of mutation can be found as follows: Frequency of A allele after a single generationp(A) = p(A) x (1 - m) + q(a) x m

where,
m = mutation rate = 10^-6p(A) = frequency of A allele in initial generation = 0.75q(a) = frequency of a allele in initial generation = 0.25Thus,p(A) = 0.75 x (1 - 10^-6) + 0.25 x 10^-6 = 0.74999925

And the frequency of a allele will beq(a) = 1 - p(A) = 1 - 0.74999925 = 0.25000075

Therefore, the frequency of the A and a alleles in the next generation will beA: 0.74999925 and a: 0.25000075.

This is option D.

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Consider a competitive industry with a large number of firms, all of which have identical cost functions c(y) = 2y² +8 for y> 0 and c(0) = 0. Marginal cost is MC(y) = 4y. Suppose that initially the demand curve for this industry is given by D(p) = 20 - p (The output of a firm does not have to be an integer number, but the number of firms does have to be an integer) (a) What is the supply curve of an individual firm? If there are n firms in the industry, what will be the industry supply curve? (b) What is the smallest price at which the product can be sold? (c) What will be the equilibrium number of firms in the industry? equilibrium price? What will be the equilibrium output of each firm? equilibrium output of the industry? (d) Now suppose that the demand curve shifts to D(p) = 21 p. What will be the equilibrium number of firms? (Hint: Can a new firm enter the market and make nonnegative profits?) (e) With the new demand curve D(p) 21 p, what will be the equilibrium price? What will be the equilibrium output of each firm? What will be the equilibrium output of the industry? (f) Now suppose that the demand curve shifts to D(p) = 24 - p. What will be the equi- librium number of firms? What will be the equilibrium price? What will be the equilibrium output of each firm? What will be the equilibrium profits of each firm? = What will be the What will be the

Answers

The equilibrium number of firms will be the smallest integer such that the price is 6 or higher. This occurs when n = 2. At this equilibrium, the price is P = 6, the output of each firm is y = 3/2, the industry's output is Y = 3, and the profit of each firm  = -2.

a) Supply curve of an individual firm

The price received by the individual firm will be P. Its demand curve is given by

D(p) = 20 - p.

Each firm chooses output to maximize its profit. Profit maximization occurs when the price is equal to the marginal cost. Mathematically,

P = MC(y)

4y = P

y = P/4

Thus the supply curve of the firm is y = P/4

b) The smallest price at which the product can be sold. The product can be sold at the minimum of the supply curve, which is y = 0, given P ≥ 0. Therefore the smallest price is P = 0.

c) Equilibrium price and output

Equilibrium occurs when each firm is producing at its profit-maximizing output given the output of other firms. Let the number of firms in the industry be n. The output of the industry is Y = ny. The industry supply curve is given by

S(P) = nP/4

The equilibrium price intersects the industry supply curve with the demand curve. Thus the equilibrium price satisfies

S(P) = Y

nP/4 = 20 - P

=> P = 80/(4 + n).

The equilibrium number of firms is the number that makes the industry supply curve equal to the demand curve. Thus

20 - P = nP/4

=> P = 80/(4 + n)

=> n = (80 - 20P)/P

= 20/P - 4.

Thus the equilibrium number of firms is a function of P and can range between 1 and infinity, but it must be an integer. The equilibrium output of each firm is given by

y = P/4 = 20/(4n + n²)

The equilibrium output of the industry is given by

Y = n

y = 5/P = (n² + 4n)/80.

d) Equilibrium number of firms with new demand curve D(p) = 21 - p.

The intersection of this curve with the marginal cost curve is at p = 21/5. This is greater than the minimum possible price of 0. Thus there is a positive profit to be earned in this industry, and new firms can enter the market.

e) Equilibrium price and output with new demand curve with the new demand curve D(p) = 21 - p, the industry supply curve and the equilibrium price are as given in part (d). The equilibrium output of each firm is given by y = P/4 = 21/20, and the equilibrium output of the industry is given by Y = 21/4.

f) Equilibrium number of firms, price, output, and profit with demand curve D(p) = 24 - p. This demand curve intersects the marginal cost curve at p = 6. The minimum possible price is P = 0. Thus there is a range of prices from 0 to 6 where firms can profit positively.

The equilibrium number of firms will be the smallest integer such that the price is 6 or higher. This occurs when n = 2. At this equilibrium, the price is P = 6, the output of each firm is y = 3/2, the output of the industry is Y = 3, and the profit of each firm is (6)(3/2) - (2)(2(3/2)² + 8) = -2.

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the cost of 9 scares is $78.75 what is the unit price ?

Answers

Answer:

$8.75

Step-by-step explanation:

Each of these relationships reflects a correlation. Which relationship most likely reflects correlation and causation? a. Drinking iced coffee more often is associated with using a fan more often. b. Drinking iced coffee more often is associated with wearing shorts more often. c. Drinking iced coffee more

Answers

Drinking iced coffee more often is associated with feeling more awake is most likely correlation and causation.

A relationship that most likely reflects correlation and causation is "Drinking iced coffee more often is associated with feeling more awake." The reason for this is that drinking iced coffee directly affects the level of alertness, which causes a change in the feeling of being awake.

This relationship suggests a cause-and-effect relationship between drinking iced coffee and feeling awake.

On the other hand, "Drinking iced coffee more often is associated with using a fan more often" and "Drinking iced coffee more often is associated with wearing shorts more often" do not reflect a cause-and-effect relationship.

The two variables are merely associated with each other, but there is no direct cause-and-effect relationship between them. It could be that both variables are related to a third factor, such as the weather, or that they are simply independent of each other.

In conclusion, when determining whether a relationship reflects correlation and causation, it is important to consider if there is a direct cause-and-effect relationship between the two variables.

Hence, the correct answer is c.

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--The given question is incomplete; the complete question is

"Each of these relationships reflects a correlation. Which relationship most likely reflects correlation and causation?

a. Drinking iced coffee more often is associated with using a fan more often.

b. Drinking iced coffee more often is associated with wearing shorts more often.

c. Drinking iced coffee more often is associated with feeling more awake."--

identify the statistical test in which the mean difference between two groups are compared to a distribution of differences between means.

Answers

The statistical test in which the mean difference between two groups is compared to a distribution of differences between means is known as the t-test.

What statistical test to use when comparing more than two groups?

The one-way analysis of variance (ANOVA) is the suitable procedure in place of the t-test for a comparison of more than two group means. The ANOVA is interested in the locations of the distributions indicated by means as well since it has the same underlying assumptions as the t-test.

What is the difference between ANOVA and a t-test?

ANOVA is used to compare the means among three or more groups, while the Student's t-test is used to compare the means between two groups. First receives a shared P value in an ANOVA. The ANOVA test results with a significant P value for at least one pair where the mean difference was statistically significant.

From the above theory, the test specified above is termed as the t-test.

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A prism with a square base has a volume of 96 ft3. The height of the unit is 6 feet. A prism has a length of l, width of 2, and height of 6 feet. Given what you know about the figure, complete these sentences. The area of the square base is feet2. The length of the prism is feet. The width of the prism is feet.

Answers

Answer:

The area of the square base is 16 feet the length of the prism is 4 feet, and the width of the prism is 4 feet.

Step-by-step explanation:

The length of the prism is L = 4 feet

What is the volume of a prism?

A three-dimensional solid object called a prism has two identical ends. It consists of equal cross-sections, flat faces, and identical bases. Without bases, the prism's faces are parallelograms or rectangles.

The volume of a prism is the product of its base area and height

Volume of Prism = B x h

where B = base area of prism

h = height of prism

Given data ,

A square base has a volume of 96 ft3 and a height of 6 feet. Since the volume of a prism is given by the product of the area of the base and the height, we can find the area of the square base as follows:

Volume = area of base x height

96 = area of base x 6

Area of base = 16 ft²

Now, we are given a prism with length of l, width of 2, and height of 6 feet. Since the base is a square, we can set l equal to the width and solve for it using the area of the base we found earlier:

Area of base = l²

16 = l²

l = 4 feet

Hence , the length of the prism is 4 feet and the width is 2 feet

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please help with my math work !
due tomorrow morning

please help with my math work !due tomorrow morning

Answers

Answer:

\(y=2x+6\)

Hope This Helps! :)

A four-year project has an initial cost of $20 000, net annual cash inflows 2 points of $10 000, and a salvage value of $5 000. Which of the following gives the project's internal rate of return (i*)? -20 000(F/P, i*, 4) + 10 000 + 5 000 = 0 -20 000(A/P, i*, 4) + 10 000 + 5 000(A/F, i*, 4) = 0 -20 000(A/F, i*, 4) + 10 000 + 5 000(A/P, 1*, 4) = 0 0 -20 000(P/F, i*, 4) + 10 000 + 5 000(A/F, i*, 4) = 0 45 = 0

Answers

The equation -20,000(F/P, i*, 4) + 10,000 + 5,000 = 0 is used to calculate the project's internal rate of return (i*). The Option A/

What is the project's internal rate of return (i*)?

The internal rate of return (IRR) is a metric used in financial analysis to estimate the profitability of potential investments. IRR is a discount rate that makes the net present value (NPV) of all cash flows equal to zero in a discounted cash flow analysis.

To get internal rate of return (i*), we need to solve the equation: \(-20 000(F/P, i*, 4) + 10 000 + 5 000 = 0\)

The initial cost of the project is -$20,000, the net annual cash inflow is $10,000 and the salvage value is $5,000. The equation represents the present value of cash flows over the project's duration.

Therefore, by solving the equation, we can determine the internal rate of return (i*) for the project.

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James is building a house on the lot shown below. The dimensions of the lot are (6+x) feet and (6−x) feet. The blue prints show the dimensions of the house to be (2+x) feet and (2−x) feet. The rest of the lot will be his yard.

How large is the yard?
square feet

James is thinking about extending the house by adding 2 feet to the length and 2 feet to the width.

How much area is now left for the yard?
square feet

Answers

Answer:

32 square feet20 square feet

Step-by-step explanation:

Given

The dimensions of the lot are (6+x) feet and (6−x) feetThe dimensions of the house to be (2+x) feet and (2−x) feet

Area of the yard = Area of the lot - Area of the house

Area of the yard:

(6 + x)(6 - x) - (2 + x)(2 - x) =36 - x² - 4 + x² =32 square feet

If the house is extended, then the area of the yard will change as:

(6 + x)(6 - x) - (4 + x)(4 - x) =36 - x² - 16 + x² =20 square feet

Scenario 2 Magnifi Co. produces a high-end amplifier for musical aficionados. Historically, only 85% of the 200 amplifiers produced per month on average have met the company's demanding standards for

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Scenario 2 Magnifi Co. produces a high-end amplifier for musical aficionados. Historically, only 85% of the 200 amplifiers produced per month on average have met the company's demanding standards for quality control. Suppose a random sample of 50 amplifiers is taken from a month's production..

What is the probability that less than 40 of the amplifiers will meet the company's quality standards? b) What is the probability that between 40 and 45 inclusive of the amplifiers will meet the company's quality standards? c) What is the probability that more than 45 of the amplifiers will meet the company's quality standards? a) In order to solve for the probability that less than 40 amplifiers will meet the company's quality standards, we can use the binomial distribution formula: P(X < 40) = Σi=0^39 C(50, i) (0.85)i(1-0.85)50-i

This can be solved using a computer, calculator, or by using a binomial probability table. Using a binomial table, we can find that P(X < 40) = 0.024. Therefore, there is a 0.024 probability that less than 40 amplifiers will meet the company's quality standards. b) To solve for the probability that between 40 and 45 amplifiers inclusive will meet the company's quality standards, we can use the binomial distribution formula again. We need to solve for P(40 ≤ X ≤ 45): P(40 ≤ X ≤ 45) = Σi=40^45 C(50, i) (0.85)i(1-0.85)50-i This can also be solved using a computer, calculator, or binomial table. Using a binomial table, we can find that P(40 ≤ X ≤ 45) = 0.435. Therefore, there is a 0.435 probability that between 40 and 45 amplifiers inclusive will meet the company's quality standards. c) To solve for the probability that more than 45 amplifiers will meet the company's quality standards, we can use the binomial distribution formula one more time. We need to solve for P(X > 45): P(X > 45) = Σi=46^50 C(50, i) (0.85)i(1-0.85)50-i Once again, this can be solved using a computer, calculator, or binomial table. Using a binomial table, we can find that P(X > 45) = 0.056. Therefore, there is a 0.056 probability that more than 45 amplifiers will meet the company's quality standards.Overall, it can be concluded that the probability that less than 40 amplifiers will meet the company's quality standards is low, the probability that between 40 and 45 amplifiers inclusive will meet the company's quality standards is relatively high, and the probability that more than 45 amplifiers will meet the company's quality standards is relatively low.

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