please answer this question ​

Please Answer This Question

Answers

Answer 1
the answer to your question is 156

Related Questions

The spinner shown is used in a game and is equally likely to land on each section. Find each probability.

P(less than 5)
Fraction=
Percent= %
Likelihood= impossible, unlikely, equally likely, likely, certain


P(shaded)
Fraction=
Percent= %
Likelihood= impossible, unlikely, equally likely, likely, certain

P(not shaded)
Fraction=
Percent= %
Likelihood= impossible, unlikely, equally likely, likely, certain

PLEASE ANSWER WILL GIVE BRAINIEST

Answers

Answer:

1.fraction=1/4

percentage is 0.25

likelihood=unlikely

2.fraction=5/16

percentage=0.3125

likelihood=unlikely

3.fraction=11/16

percentage=0.6875

likelihood=likely

also no need for brainliest instead I would like u to follow me

the slope of FG is 4. point F is located at (2,3). which could be the coordinates of point G?

Answers

Answer:

(6,4)

Step-by-step explanation:

slope (rise over run) is 4/1

go up 4 and right 1

2 (x) + 4 = 6

3 (y) + 1 + 4

A survey showed that 31% of human resource professionals are at companies that rejected job candidates because of
information found on their social media. If 24 human resource professionals are randomly selected, would 13 be a
significantly high number to be at companies that rejected job candidates because of information found on their
social media? Why or why not?

Answers

From the given distribution we have: Option A. No, 13 would not be significantly high because the probability of 13 or more is 0.6478 which is not low.

What is binomial distribution?

A binomial distribution, which only has two possible outcomes for each trial: success or failure, is a probability distribution that specifies the number of successes in a set number of independent trials. The number of trials (n) and the likelihood that each trial will be successful are the two parameters that define the binomial distribution (p). Given the likelihood of success in each trial, the distribution provides the probabilities of receiving precisely 0, 1, 2,..., or n successes in n independent trials. The binomial distribution is frequently used to simulate situations where there are two possible outcomes and a set number of trials in a variety of disciplines, including statistics, economics, genetics, and engineering.

Given that, n = 24 and p = 0.31 for the given distribution.

Thus, the probability of 13 or more human resource professionals being at companies that rejected job candidates is:

P(X ≥ 13) = 1 - P(X < 13)

Now,  P(X < 13) = 0.3522.

Thus,

P(X ≥ 13) = 1 - 0.3522 = 0.6478

Hence, from the given distribution we have Option A. No, 13 would not be significantly high because the probability of 13 or more is 0.6478 which is not low.

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Calculus Riemann sum challenge problem.

Answers

The limit of the given sum as n approaches infinity is 0.

We have the limit as n approaches infinity of the sum from i = 1 to n of 1/(n+i). We can rewrite this sum using the hint provided as:

[tex]\lim_{n \to \infty} \sum_{\substack{i=1}} ^{n}[/tex](1/ n + i) = [tex]\lim_{n \to \infty} \sum_{\substack{i=1}} ^{n}[/tex] (1/n) * (1 + i/n)

To find the limit, we need to take the limit of the Riemann sum as n approaches infinity. This is equivalent to taking the limit of the area of n rectangles under the curve y=1/x as n approaches infinity.

As n becomes very large, the width of each rectangle becomes very small, and the height of each rectangle approaches 1/n. Therefore, the area of each rectangle approaches zero.

We can then express the limit as an integral:

[tex]\lim_{n \to \infty} \sum_{\substack{i=1}} ^{n}[/tex](1/ n + i) =[tex]\lim_{n \to \infty} \sum_{\substack{i=1}} ^{n}[/tex] (1/n) * (1 + i/n) =[tex]\lim_{n \to \infty} \int ^1 _{1+1/n}[/tex] 1/x dx

Evaluating this integral gives:

[tex]\lim_{n \to \infty} \int ^1 _{1+1/n}[/tex] 1/x dx = [tex]\lim_{n \to \infty}[/tex] ln(1+1/n) = ln(1+0) = 0

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The side measures of a rectangular prism are tripled. What is the relationship between the surface area of the original prism and the surface area of the new prism?

Answers

Answer:

The new prism has 9 times the surface area of the original prism

Step-by-step explanation:

There are three ways in which you can answer this question.

The hard way:

The surface area of a rectangular prism is given by
A = 2(LW+ LH+ WH)
where L= length, W= width and H = height)

If we were to triple the sides we would get the new side measures as
3L, 3W, 3H

New surface area becomes:
A' = 2 (3L · 3W + 3L · 3H · 3W· 3H)

A' = 2(9LW + 9 LH + 9 WH)

Factoring out 9 from the brackets we get

A' = 2 · 9 (LW+ LH+ WH)

A'/A = 2 · 9 (LW+ LH+ WH) /2(LW+ LH+ WH)

The common term 2(LW+ LH+ WH) cancels out from numerator and denominator leaving 9 as the answer

A smarter and easy way of doing this

A cube is nothing but a rectangular prism with all sides equal. Let a be the length of a side of the cube

A cube has 6 sides. The surface area of each side = a x a = a²

So total surface area A = 6a²

If each side is tripled, each side becomes 3a.
New surface area A' = 6 (3a)² = 6 (9a²)

A'/A = 6 (9a²)/6(a²) = 9

An even easier way

Again we take a cube. But instead of using a variable, let's assign the side of the cube a length of 1 unit

Surface area A = 6 · 1² = 6

After tripling each side becomes 3 units long
New surface area A' = 6 · 3² = 6.9 = 54

A'/A = 54/6 = 9

Choose whichever method you feel comfortable with

For each pair of triangles below, decide whether the triangles are similar and/or congruent. Justify each conclusion. Show all work.

Answers

The triangles which are similar or congruent discussed below.

If the triangles are similar then the corresponding side ratios are equal.

1. 6/9 = 2/3

9/13.5= 2/3

8/12= 2/3

Thus, the triangle are similar.

2. The second case is neither similar or congruent.

3. The pair has one right angle common and one side measure 6 unit.

So, the triangle are neither similar or congruent.

4. The triangles have two angles equal.

so, the triangle are similar.

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find the z score
0.166 square unit of the standard normal distribution is to left of z

Answers

The z score of 0.166 square units of the standard normal distribution is to leave z is -0.999.

What is a standard normal distribution?

It is clear that 0.166 square units of the standard normal distribution is to the left of z. This means that the area under the standard normal distribution curve to the left of z is 0.166.

Using a standard normal distribution table or calculator, we can find the z-score corresponding to this area. For example, using a calculator, we can use the inverse normal cumulative distribution function (also called the probit function) to find the z-score:

invNorm(0.166) ≈ -0.999

Therefore, the z-score corresponding to 0.166 square units of the standard normal distribution is to the left of z is approximately -0.999.

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1. Multiplying by the reciprocal is the same as ___________.


2. Multiplying always makes a number larger.

true or false

Answers

1. Dividing
2. False

Quadrilateral JKZM will be reflected over the x-axis to create its image, quadrilateral JKZ'M What will be the r-coordinate of vertex K*?
53'5 San

Answers

I can assist you in determining the r-coordinate of vertex K* following the reflection if you provide me the coordinates of vertex K in the original quadrilateral.

what is expression ?

It is possible to multiply, divide, add, or subtract in mathematics. The following is how an expression is put together: Number, expression, and mathematical operator The components of a mathematical expression (such as addition, subtraction, multiplication or division, etc.) include numbers, variables, and functions. It is possible to contrast expressions and phrases. An expression, often known as an algebraic expression, is any mathematical statement that contains variables, numbers, and an arithmetic operation between them. For instance, the word m in the given equation is separated from the terms 4m and 5 by the arithmetic symbol +, as does the variable m in the expression 4m + 5.

I can assist you in determining the r-coordinate of vertex K* following the reflection if you provide me the coordinates of vertex K in the original quadrilateral.

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Find the value of x, y, and z, in the rhombus below.
51-4
-2Z+8
46
-2x+6



please look at the picture

Answers

Answer:

  (x, y, z) = (-20, 10, -19)

Step-by-step explanation:

You want the values of x, y, and z given a rhombus with sides marked (-2x+6), (5y-4), (-2z+8), and 46.

Rhombus

The side lengths of a rhombus are all the same. This tells us ...

-2x +6 = 465y -4 = 46-2z +8 = 46

Solutions

Each of these 2-step equations can be solved by subtracting the unwanted constant and dividing by the coefficient of the variable.

  x = (46 -6)/(-2) = -20

  y = (46 -(-4))/5 = 10

  z = (46 -8)/-2 = -19

The values of x, y, and z are -20, 10, and -19, respectively.

3. You deposit $200 each month into an account earning 3% interest compounded monthly.
a. How much will you have in the account in 30 years?
b. How much total money will you put into the account?
c. How much total interest will you earn?

Answers

a. After 30 years, your account will be worth $131,433.84. b. Money total = $72,000

Solution to the aforementioned questions

To solve these questions, we can utilize the compound interest formula:

a. We can use the following formula to calculate the amount in the account after 30 years:

A = $200 * (1 + 0.03/12)^(12*30) = $131,433.84

So, after 30 years, your account will be worth $131,433.84.

b. To calculate the total amount of money you will deposit into the account:

Money total = $200 * 12 * 30 = $72,000

So, over the course of 30 years, you will deposit a total of $72,000 into the account.

c. To calculate the total interest you will earn, do the following:

Interest total = $131,433.84 - $72,000 = $59,433.84

So, over the course of 30 years, you will receive a total of $59,433.84 in interest.

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A hardware store will run an advertising campaign using radio and newspaper. Every dollar spent on radio advertising will reach 70 people in the "Gen X" market, and 50 people in the "millennials" market. Every dollar spent on newspaper advertising will reach 100 people in the "Gen X" market, and 20 people in the "millennials" market. If the store wants to reach at least 177,000 people in the "Gen X" market and 200,000 people in the "millennials" market, how much should it spend on each type of advertising to minimize the cost?

Answers

It should spend $252,857 on each type of advertising to minimize the cost.

What is linear program?

Linear programming is a mathematical method used to optimize a linear objective function, subject to linear constraints. It is a technique used in operations research, management science, and engineering to allocate resources efficiently. The goal of linear programming is to find the optimal solution that maximizes or minimizes the objective function while satisfying all the constraints.

To solve the problem, we need to use linear programming.

Let x be the number of dollars spent on radio advertising

y be the number of dollars spent on newspaper advertising

We want to minimize the cost, which is given by:

C = x + y

We also have the following constraints:

x/70 + y/100 ≥ 177,000 (we need to reach at least 177,000 people in the Gen X market)

x/50 + y/20 ≥ 200,000 (we need to reach at least 200,000 people in the millennials market)

We can rewrite the constraints as:

7x/10 + y/100 ≥ 177,000

2x/5 + y/20 ≥ 200,000

Multiplying both sides of the first constraint by 100, and both sides of the second constraint by 20, we get:

70x + y ≥ 17,700,000

4x + y ≥ 4,000,000

Now we can plot the feasible region defined by these two constraints:

70x + y ≥ 17,700,000

4x + y ≥ 4,000,000

y ≥ 0

x ≥ 0

This region is bounded by the x-axis, the y-axis, the line 70x + y = 17,700,000, and the line 4x + y = 4,000,000. It looks like this:

|\

| \

y | \

| \

| \

| \

|------\

x

The optimal solution will be at one of the vertices of this region. We can find these vertices by solving the system of equations formed by the two constraint lines and the two axes:

70x + y = 17,700,000

4x + y = 4,000,000

x = 0

y = 0

The solutions are (0, 4,000,000),(57,000, 17,190,000), (252,857.14, 0), (0, 0)

The first and last solutions correspond to spending all the budget on newspaper or radio advertising, respectively. These solutions are not optimal, because they don't reach the required number of people in either market.

The second solution corresponds to spending approximately $57,000 on radio advertising and approximately $17,190,000 on newspaper advertising. This solution reaches 199,300 people in the Gen X market and 200,400 people in the millennials market, which is slightly more than the required number in both markets. However, this solution is not optimal, because it is not on one of the vertices of the feasible region.

The third solution corresponds to spending approximately $252,857 on radio advertising and $0 on newspaper advertising. This solution reaches exactly 177,000 people in the Gen X market and 200,000 people in the millennials market, which is the required number in both markets. This solution is also on one of the vertices of the feasible region, so it is optimal.

Therefore, the hardware store should spend approximately $252,857 on radio advertising and $0 on newspaper advertising to reach the required number of people in both markets and minimize the cost.

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Evaluate the integral by changing to spherical coordinates:

Answers

the final result of the double integral is `(4/3)*a. we have to Integrate the inner integral with respect to z.

what is inner integral ?

An inner integral is a mathematical term that refers to the integral function that is evaluated first in a double integral.

In the given question,

To solve this double integral, we will use the following steps:

Integrate the inner integral with respect to z.

Evaluate the result of the inner integral at  upper and lower limits of z.

Substitute the result of the inner integral into the outer integral and integrate with respect to y.

Evaluate the result of the outer integral at the upper and lower limits of y.

Simplify the expression.

Now, let's apply these steps to solve the given double integral:

Integrate the inner integral with respect to z:

∫(x²*z + y²*z + z³) dz = x²/2*z² + y²/2*z² + z^4/4 + C

where C is the constant of integration.

Evaluate the result of the inner integral at the upper and lower limits of z:

(x²/2*(a²-x²-y²)¹⁵ + y²/2*(a²-x²-y²)¹⁵ + (a²-x²-y²)²/4)

- (x²/2*(-a²+x²+y²)¹⁵ + y²/2*(-a²+x²+y²)¹⁵ + (-a²+x²+y²)²/4)

Substitute the result of the inner integral into the outer integral and integrate with respect to y:

markdown

∫[(x²/2*(a²-x²-y²)¹⁵ + y²/2*(a²-x²-y²)¹⁵ + (a²-x²-y²)²/4)

- (x²/2*(-a²+x²+y²)¹⁵ + y²/2*(-a²+x²+y²)¹⁵ + (-a²+x²+y²)²/4)] dy

Evaluate the result of the outer integral at the upper and lower limits of y:

= ∫[(x²/2*(a²-x²-y²)¹⁵ + y²/2*(a²-x²-y²)¹⁵ + (a²-x²-y²)²/4)- (x²/2*(-a²+x²+y²)¹⁵ + y²/2*(-a²+x²+y²)¹⁵ + (-a²+x²+y²)²/4)] dy

from y = -sqrt(a²-x²) to y = sqrt(a²-x²)

= (2/3)*x²*(a²-x²)¹⁵ + (2/3)*(a²-x²)²⁵

- (2/3)*x²*(-a²+x²)¹⁵ + (2/3)*(-a²+x²)²⁵

Simplify the expression:

= (4/3)*a³ - (4/3)*a*x²

Therefore, the final result of the double integral is `(4/3)*a

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Help pls
Find f '(a).
f(t) = [tex]\frac{2t+4}{t+9}[/tex]

Find f '(a).
f(x) = [tex]\frac{1}{\sqrt{x+1} }[/tex]

Answers

On differentiating, the derivative of the functions at x = a, is

(i) f'(a) = 14/(a+9)²,

(ii) f'(a) = [tex]-\frac{1}{2(a+1)^{\frac{3}{2} } }[/tex].

Part (i) : To find the derivative of f(t) = (2t+4)/(t+9) at x = a, we can use the quotient rule:

The "quotient-rule" is defined as a formula which is used in finding  derivative of a function which is quotient of two other functions.

The formula is : (f/g)' = (f'g - g'f)/g²,

where f' , g' = derivatives of functions "f" and "g", respectively.

So, f'(t) = [(t+9)×(2) - (2t+4)×(1)] / (t+9)²,

Substituting t = a,

We get,

⇒ f'(a) = [(a+9)(2) - (2a+4)(1)] / (a+9)²,

⇒ f'(a) = (2a+18 - 2a-4) / (a+9)²,

⇒ f'(a) = 14/(a+9)²,

So, the derivative of f(t) at x = a is f'(a) = 14/(a+9)².

Part (ii) : To find the derivative of the function, f(x) = 1/√(x+1) at x = a, we use the chain rule:

The "Chain-Rule" is defined as a formula which is used in finding derivative of a "composite-function".

So, f'(x) = [tex]-\frac{1}{2(x+1)^{\frac{3}{2} } }[/tex] × (1)

Substituting x = a,

We get,

⇒ f'(a) =  [tex]-\frac{1}{2(a+1)^{\frac{3}{2} } }[/tex] ,

Therefore, the derivative of f(x) at x = a is f'(a) = [tex]-\frac{1}{2(a+1)^{\frac{3}{2} } }[/tex].

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The given question is incomplete, the complete question is

Find the derivative of the given functions at "x=a".

(i) f(t) = (2t+4)/(t+9),

(ii) f(x) = [tex]\frac{1}{\sqrt{x+1} }[/tex]  1/√(x+1)

an architect plans to build an extension to Meiling's rectangular deck. Let x represent the increase, in meters, of her deck's length. The expression 5.5(x + 8.5) represents the area of the deck, where 5.5 is the width, in meters, and (x + 8.5) represents the extended length, in meters. Use the Distributive Property to write an expression that represents the total area of Meiling's new deck.​

Answers

The Distributive Property of multiplication indicates that the area of the rectangular deck is; Area = 5.5·x + 46.75 square meters

What is the Distributive Property?

The Distributive Property of multiplication states that a × (b + c) = (a·b + a·c).

The increase in the length of the deck = x meters

The area of the deck 5.5·(x + 8.5)

The width of the deck = 5.5 meters

The length of the deck = (x + 8.5) meters

The expression that represents the area of the whole deck obtained using the Distributive Property is therefore;

Area = 5.5·(x + 8.5) = 5.5 × (x + 8.5)

Distributive Property indicates that we multiply each term in the expression within the bracket symbol by 5.5 as follows;

Area = 5.5 × x + 5.5 × 8.5 = 5.5·x + 46.75

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Picture Co charges $15 for the first picture and $7 for each additional picture. Snap N Click charges $25 for the first picture and $4 for each additional picture drag numbers to complete

Answers

The completion of the table, showing the total costs for the number of pictures taken at Picture Co. is as follows:

Picture Co.

Number of   Total Costs

 Pictures

      1                $15

     2                $22

     3                $29

     4                $36

     5                $43.

How the total costs are computed:

The total costs is computed using addition and multiplication operations.

Addition and multiplication operations are two of the four basic mathematical operations, including subtraction and division.

The charge for the first picture = $15

The charge per additional picture = $7

Picture Co.

Number of   Total Costs

 Pictures

      1                $15

     2                $22 ($15 + $7)

     3                $29 ($15 + $7 x 2)

     4                $36

     5                $43 ($15 +$7 x 4)

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Question Completion:

Drag the numbers (22, 27, 29, 33, 41, and 43) to complete the table.

Picture Co.

Number of   Total Costs

 Pictures

      1                $15

     2                $

     3                $

     4                $36

     5                $

Triangle LMN, with vertices L(-9,6), M(-5,7), and N(-8,9), is drawn inside a rectangle,
What is the area, in square units, of triangle LMN?

Answers

The area of the triangle is 13.5 square units

How to find the area of a triangle using vertices?

The area of a triangle with vertices (x₁, y₁), (x₂, y₂) and (x₃, y₃) is given by:

A =  (1/2) [x₁(y₂ – y₃) + x₂(y₃ – y₁ ) + x₃(y₁ – y₂)]

Where:

L: (x₁, y₁) = (-9,6)

M: (x₂, y₂) = (-5,7)

N: (x₃, y₃) = (-8,9)

A =  (1/2) [x₁ (y₂ – y₃) + x₂(y₃ – y₁ ) + x₃(y₁ – y₂)]

A =  (1/2) [-9 (7 – 9) + (-5)(9 – 6) + (-8)(6 – 7)]

A = (1/2) [18 -15 + 24]

A = 13.5  square units

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Suppose we conducted a study and examined the relationship between Number of Years in School and Number of Offenses Committed. We found the correlation value (r) to be .72, but it was not significant. Despite having such a high value, why might this relationship not be statistically significant?

Answers

There are a few possible reasons why a high correlation coefficient could be non-significant:

1. Small sample size. Statistical significance depends on having enough data points to rule out the possibility that the observed relationship is due to chance alone. With a small N, even a strong correlation could be non-significant.

2. Lack of variability. If there is little variability or spread in the X (Years in School) and Y (Offenses Committed) values, the correlation will be weakened, making it harder to detect a real relationship. Not enough variance in the data.

3. Outliers or extreme values. A few very high-leverage or outlying points can distort the correlation and its significance. If removed, the correlation may become significant.

4. Distribution characteristics. Non-normality or non-linearity in the relationship can make it harder to detect significance. Transforming or dummy coding variables may help.

5. Sampling error. There was just an unlucky or unrepresentative sample selected, and a different sample might yield a significant result. More data is needed to reach a firm conclusion.

6. Noise. There are other confounding or intervening variables not accounted for, masking the true relationship. The correlation reflects some unwanted variance, not a "real" effect.

In summary, while a high r value suggests an strong relationship, additional considerations are needed to determine if it is statistically significant or meaningful. The r value alone is not enough. Please let me know if you have any other questions!

The ordered pairs represent an absolute value function (f): (-3,9) (-1,1) (2,5)
Describe the relationship between that function and g(x)=4|x+5|-3.
The graph of f is translated ___ units up and ___ units to the left from the graph of g.

Answers

The absolute value function can be written as:

f(x) = |x - a| + b

where a is the x-coordinate of the vertex and b is the y-coordinate of the vertex.

To find the equation of the absolute value function that passes through the points (-3, 9), (-1, 1), and (2, 5), we need to find the vertex and the value of b.

The vertex of an absolute value function that opens upwards is the point where the absolute value function changes direction. This occurs at the point where the argument of the absolute value function equals zero. In this case, the argument of the absolute value function is x - a, so we need to find a such that:

-3 - a = 0 or a = -3

-1 - a = 0 or a = -1

2 - a = 0 or a = 2

So the vertex of the absolute value function is at (-1, b), where b is the y-coordinate of the vertex. To find the value of b, we can substitute one of the points into the equation of the absolute value function:

f(-3) = |(-3) - (-1)| + b = 2 + b = 9

f(-1) = |(-1) - (-1)| + b = b = 1

f(2) = |2 - (-1)| + b = 3 + b = 5

Solving these equations, we get:

b = 7/2

So the equation of the absolute value function that passes through the points (-3, 9), (-1, 1), and (2, 5) is:

f(x) = |x + 1| + 7/2

The graph of f is translated 3 units up and 6 units to the left from the graph of g(x) = 4|x + 5| - 3.

Make m the subject of the formula E = mgh + 1/4mv^2​

Answers

To make m the subject of the formula in the equation E = mgh + 1 / 4mv² is m = E / mgh + 1 / 4mv²

How to make a variable the subject of the formula in an equation?

The equation E = mgh + 1 / 4mv².

An equation is a formula that expresses the equality of two expressions, by connecting them with the equals sign =.

A variable is a number represented with a letter in an equation. m is the variable to make the subject of the formula.

Therefore,

E = mgh + 1 / 4mv²

factorise the equation on the right side

E = m(gh + 1 / 4v²)

Divide both sides of the equation by mgh + 1 / 4mv²

Hence,

m = E / mgh + 1 / 4mv²

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A store has 350 sales in the first week and increases the number of sales by 45 each week. What is the total number of sales after 8 weeks?

Answers

The total number of sales after 8 weeks through which the given condition is satisfied is 4060 sales.

Explain the process through which sales is identified?

There are several mathematical formulas that can be used in sales to calculate different metrics such as profit, revenue, and discounts. Here are some examples:

Profit formula: Profit = Revenue - Cost

This formula is used to calculate the profit earned from the sale of a product or service. Revenue is the total amount of money generated from sales, and cost includes all the expenses associated with producing and selling the product.

Gross margin formula: Gross Margin = (Revenue - Cost of Goods Sold) / Revenue

This formula is used to calculate the gross margin percentage, which is the difference between revenue and the cost of goods sold, divided by revenue. This metric represents the percentage of revenue that is left over after accounting for the cost of producing the product.

Discount formula: Discount = List Price x Discount Rate

This formula is used to calculate the amount of discount applied to the list price of a product. The discount rate is expressed as a percentage, and is multiplied by the list price to determine the amount of the discount.

Markup formula: Markup = (Selling Price - Cost) / Cost

This formula is used to calculate the markup percentage, which is the difference between the selling price and the cost of producing the product, divided by the cost. This metric represents the percentage increase in price that is added to the cost to arrive at the selling price.

According to the given information:

Given, 350 sales in the first week and increases the number of sales by 45 each week.

Based on the given condition fromulate:

⇒ 8 x ( 2 x 350 + 45 x (8-1)) / 2

After solving the above relation we get,

⇒ 4 x (2x350 + 45 x 7)

⇒ 4 x (700 + 315)

⇒ 4 x 1015

⇒ 4060.

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HELP PLSZZZZSZZZZZZZZZZ need asap

Answers

Answer:

please insert question

Step-by-step explanation:

There is a 7% chance that a band's lead singer's voice isn't working due to illness on any given Saturday. This band has played 19 Saturday gigs so far this year, and at each of these the lead singer's voice has been fine. What is the probability that the lead singer's voice will be fine at the band's next Saturday gig, which is 2 weeks from now? Assume she never is sick for more than 6 consecutive days, and the interval between bouts of illness is inherently unpredictable.

Answers

The probability that the lead singer's voice will be fine at the following Saturday gig is 23.6%

How to find the probability of lead singer's voice will be fine at the band's next Saturday gig

The probability that the lead singer's voice is in good condition on any particular Saturday is 1 - 0.07 = 0.93.

Since the lead singer's voice has been fine at all 19 Saturday shows this year, the probability of this happening is:

P(voice good at all 19 Saturday gigs) = 0.9319 = 0.236

This suggests that the lead singer's voice has a 23.6% chance of being fine at the following Saturday gig, presuming the probability of her voice being fine is independent of Saturday to Saturday.

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A constant unit force vector makes angle 30∘
with the positive -
axis. Find the work done by the force in moving the object 5
units in the direction of the positive -
axis.

Answers

The work done by the force in moving the object 5 units in the direction of the positive x-axis is approximately 4.33 units of work.

Define the term work done?

Work is defined as the energy transferred to or from an object by means of a force acting on the object as it moves through a displacement.

We can use the formula for work done by a constant force, which is:

W = F × d × cos(θ)

where W is the work done, F is the force, d is the distance moved, and θ is the angle between the force and the direction of motion.

In this case, the force is a unit vector, which means its magnitude is 1. The angle between the force and the positive x-axis is 30°. We want to move the object 5 units in the direction of the positive x-axis. So we have:

F = 1 (the force is a unit vector)

d = 5 (the distance moved is 5 units)

θ = 30° (the angle between the force and the positive x-axis)

We can now plug these values into the formula for work:

W = 1 × 5 × cos(30°)

Using the values of cos(30°) (which is √3/2), we get:

W = 1 × 5 × √3/2 = 5√3/2 ≈ 4.33

Therefore, the work done by the force in moving the object 5 units in the direction of the positive x-axis is approximately 4.33 units of work.

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please help need to turn in now

Answers

Answer:

f(10) = 110 , f(a) = a² + 10

Step-by-step explanation:

(a)

to evaluate f(10) , substitute x = 10 into f(x)

f(10) = 10² + 10 = 100 + 10 = 110

(b)

to evaluate f(a) , substitute x = a into f(x)

f(a) = a² + 10

13.15.Verify that the six trigonometric function are well-defined. That is, show that it does not matter which right triangle with interior angle theta you choose- these six rayios will not change

Answers

We need to show that if we choose right triangle with the interior angle θ, the ratios of the sides will be the same as shown in below figure.

What is a trigonometry?

The mathematical subject of trigonometry is the study of the connections between the angles and sides of triangles. It entails investigating trigonometric functions like sine, cosine, and tangent, which examine the relationship between a triangle's sides' lengths and its angles.

Let's consider a right triangle with acute angles α and β, as shown below:

To relate the sides of this triangle, we can use the Pythagorean theorem:

a² + b² = c²

Now, let's define the six trigonometric functions in terms of the sides of the triangle:

Sin(θ) = a/c

Cos(θ) = b/c

tan(θ) = a/b

csc(θ) = c/a

sec(θ) = c/b

cot(θ) = b/a

We want to show that these functions are well-defined, i.e., they do not depend on the particular triangle we choose. To do this, we need to show that if we choose another right triangle with the same interior angle θ, the ratios of the sides will be the same.

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How manu cubic feet of water will fill a rectangular pool that is 50 feet, wide 75 feet long, and 8 feet deep?

Answers

Answer:

30,000 cubic feet of water

Step-by-step explanation:

To calculate the volume of water needed to fill a rectangular pool, we need to multiply the length, width, and depth of the pool. In this case, the length is 75 feet, the width is 50 feet, and the depth is 8 feet.

Therefore, the volume of water needed to fill the pool can be calculated as:

Volume = Length x Width x Depth

Volume = 75 feet x 50 feet x 8 feet

Volume = 30,000 cubic feet

Therefore, 30,000 cubic feet of water will be needed to fill the rectangular pool.


Which of the following is not a benefit of just-in-time processing?
O Control of significant inventory balances
O Production cost savings
O Reduction of rework costs
O Enhanced product quality

Answers

Step-by-step explanation:

The answer is:

- Control of significant inventory balances

This is because just-in-time processing is a system that emphasizes on producing goods or services at the exact time they are needed, without accumulating inventory. Therefore, it does not prioritize the control of significant inventory balances. The other options are benefits of just-in-time processing.

URGENT!! ILL GIVE
BRAINLIEST! AND 100 POINTS
Match the description with the correct answer

Answers

y-intercept - (0, 4)

slope - +2

Domain - input values

Range - output values

Is this graph increasing, decreasing, or both? - Increasing

x-intercept - (-2, 0)

Milan took 3 1/4 hours to clean the bathroom. He took 1/8 hours to clean the bathroom. How much longer did it take Milan to clean the bathroom? Write your answer as a mixed number in simplest form.

Answers

Answer:

3 1/8 or 25/8

Step-by-step explanation

This is because you are trying to find how much longer milan took. So we subtract 3 1/4 - 1/8

To do this convert 3 1/4 to 3 2/8 -1/8

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