please help am trying to turn this work in​

Solution:

Given;

A bookstore had 81 copies of a magazine.

7/9 copies were sold yesterday.

The number of books sold yesterday will be

Hence, 63 magazines were sold yesterday.

a) The present value of $25,000 due 9 periods from now, discounted at 10%, is approximately $10,593.22.

b) The present value of $25,000 to be received at the end of each of 6 periods, discounted at 9%, is approximately $22,935.35.

(a) Present Value of $25,000 due 9 periods from now, discounted at 10%:

To calculate the present value, we need to discount the future cash flow of $25,000 back to its current value using the given discount rate of 10%. The formula to calculate the present value is:

Present Value = Future Value / (1 + Discount Rate)ⁿ

Where:

Future Value is the amount to be received in the future ($25,000).

Discount Rate is the rate at which we discount the future cash flow (10%).

'n' is the number of periods or years until the future cash flow is received (9 periods in this case).

Let's plug in the values into the formula and calculate the present value:

Present Value = $25,000 / (1 + 0.10)⁹

Calculating the denominator:

(1 + 0.10)⁹ = 1.10⁹ ≈ 2.36

Present Value = $25,000 / 2.36 ≈ $10,593.22

(b) Present Value of $25,000 to be received at the end of each of 6 periods, discounted at 9%:

In this case, we have a cash flow of $25,000 to be received at the end of each of 6 periods, discounted at 9%. Let's calculate the present value:

Present Value = $25,000 / (1 + 0.09)¹ + $25,000 / (1 + 0.09)² + ... + $25,000 / (1 + 0.09)^6

Calculating each discount factor:

(1 + 0.09)¹ ≈ 1.09

(1 + 0.09)² ≈ 1.1881

(1 + 0.09)³ ≈ 1.2950

(1 + 0.09)⁴ ≈ 1.4116

(1 + 0.09)⁵ ≈ 1.5386

(1 + 0.09)⁶ ≈ 1.6765

Plugging in the values and summing them up:

Present Value = $25,000 / 1.09 + $25,000 / 1.1881 + $25,000 / 1.2950 + $25,000 / 1.4116 + $25,000 / 1.5386 + $25,000 / 1.6765

Present Value ≈ $22,935.35

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The z-score for a raw score of 6 is 0.5.A z-score indicates how many standard deviations a raw score is away from the mean.

To calculate the z-score for a raw score of 6 given a mean of 4 and a standard deviation of 4, we can use the formula:

z = (raw score - mean) / standard deviation

Substituting the values into the formula, we get:

z = (6 - 4) / 4

z = 0.5

Therefore, the z-score for a raw score of 6 is 0.5.

In this case, a z-score of 0.5 indicates that the raw score of 6 is half a standard deviation above the mean of 4.

Z-scores are useful because they allow us to compare scores from different distributions. For example, if we have two sets of data with different means and standard deviations, we can convert them into z-scores to compare them directly. A positive z-score means that the raw score is above the mean, while a negative z-score means that the raw score is below the mean. The magnitude of the z-score indicates how far the raw score is from the mean in terms of standard deviations.

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☁️ Answer ☁️

annyeonghaseyo!

Sure! But what's the question?

I'll be waiting for you.

The equation is 128 + 2x = 180.

The angles that are in the same position on two parallel lines intersected by a transversal line on the parallel lines.

Corresponding angles are equal.

We have,

The sum of the same-side interior angles between two parallel lines is supplementary

This means,

128 + 2x = 180

2x = 180 - 128

2x = 52

x = 26

Thus,

The value of x is 26.

The equation is 128 + 2x = 180.

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The amount of interest earned on a deposit of $60.00 at a rate of 9% per annum for 2 years is $108.

As per the given problem:

Amount deposited = $60.00

Interest rate per year = 9%

The formula for calculating the interest is given by:

Interest = (Principal × Rate × Time)/100

Where Principal is the initial amount invested or deposited

Rate is the percentage of interest that you earn per annum

Time is the duration for which you want to calculate the interest

Putting the values in the above formula, we get:

Interest = (60 × 9 × 2)/100= (108 × 1)/1= $108

So, the amount of interest earned on a deposit of $60.00 at a rate of 9% per annum for 2 years is $108.

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Answer:

not a function because -3 maps to two different values 5 and 6

Step-by-step explanation:

Answer:

\(y=-2x+3\)

Step-by-step explanation:

Equation of straight line in slope intercept form is given as

\(y=mx+b\)

Here

Slope of line m=-2 (for every one step on x-axis line going down 2 step on y-axis)

y-intercept b=3

\(y=-2x+3\)

The inequality to show the values of [w] that will not exceed the weight limit of the elevator is w + 1643 ≤ 2000. On solving the inequality, we get w ≤ 357. The graph of the inequality is attached.

        ≤ : less than or equal to

        ≥ : greater than or equal to

        < : less than

        > : greater than

        ≠ : not equal to

Given is the maximum load for a certain elevator is 2000 pounds. The total weight of the passengers on the elevator is 1400 pounds. A delivery man who weighs 243 pounds enters the elevator with a crate of weight [w].

        1400 + 243 + w ≤ 2000

        w + 1643 ≤ 2000

        w + 1643 ≤ 2000

        w ≤ 2000 - 1643

        w ≤ 357

Therefore, the inequality to show the values of [w] that will not exceed the weight limit of the elevator is w + 1643 ≤ 2000. On solving the inequality, we get w ≤ 357. The graph of the inequality is attached.

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The given expression, "s and bin the form a1x1x'f a2x2x:f of the spectral theorem qaqt," seems to contain some typographical errors and unclear notation. Therefore, it is difficult to provide a meaningful step-by-step answer or interpretation of the given expression. If you can provide additional context or clarify the notation, I would be happy to help you further.

1. Review the given expression: "s and bin the form a1x1x'f a2x2x:f of the spectral theorem qaqt."

2. Note that the expression contains multiple typographical errors and unclear notation, making it challenging to decipher its meaning.

3. It appears that there might be missing operators or symbols between the terms "s" and "bin."

4. The phrase "the form" suggests that the subsequent terms represent a particular mathematical structure or representation.

5. However, the terms "a1x1x'f," "a2x2x:f," and "qaqt" are not well-defined or recognizable mathematical notations.

6. Without proper clarification or additional context, it is not possible to determine the intended meaning or provide a step-by-step explanation for the given expression.

7. To receive accurate assistance, consider providing more information about the context, the specific mathematical concepts involved, or clarify any unclear notation in the original question.

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they played 15 games

they were defeated during four games

they won 11 games

Answer:

hope it is helpful to you

It is true that if x is small enough, the values of constants a, b, and c can be found without considering x^3 and higher powers of x.

If x is very small, then x^3 and higher powers of x will be even smaller and can be neglected. In such a case, any expression involving x can be approximated as a linear function of x, and the coefficients of x, x^2, and x^3 will determine the constants a, b, and c. Thus, it is true that if x is small enough, the values of constants a, b, and c can be found without considering x^3 and higher powers of x.

For example, consider the expression f(x) = ax + bx^2 + cx^3. If x is very small, then x^3 can be neglected, and the expression can be approximated as f(x) = ax + bx^2. To find the values of a, b, and c, we can differentiate the expression with respect to x to get: f'(x) = a + 2bx

Setting f'(x) = 0 (since the expression is at a minimum or maximum when the derivative is zero), we can solve for x and substitute it back into the original expression to find the values of a, b, and c. Thus, if x is small enough, we can find the values of the constants a, b, and c without considering x^3 and higher powers of x.

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Answer:

(4,0)

Step-by-step explanation:

I will assume the fiorst equation is missing an "x," so I'll assume it was meant to be:  y = -x + 4

See the attached graph.  The lines cross at (4,0).

To find the magnitude of r prime of quantity pi over 3 end quantity, we first need to take the derivative of r of t. r prime of t = a vector with two components, sec^2(t) and 2csc(2t) .Then, we can evaluate r prime of pi/3 using these components: r prime of pi/3 = a vector with two components, sec^2(pi/3) and 2csc(2(pi/3)).
Using the fact that sec^2(pi/3) = 4 and csc(2(pi/3)) = -2sqrt(3)/3, we can simplify the vector to: r prime of pi/3 = a vector with two components, 4 and -4sqrt(3)/3
Now, we can find the magnitude of this vector using the formula:

magnitude of a vector = square root of (sum of squares of its components)

magnitude of r prime of pi/3 = square root of (4^2 + (-4sqrt(3)/3)^2)

= square root of (16 + 16/3)

= square root of (64/3)

= 4/square root of 3

Multiplying this by the given constants (1/3 square root of thirty four, 1/2 square root of nineteen, 2 square root of thirteen over three, 4/3 square root of ten), we get the final answer:

magnitude of r prime of quantity pi over 3 end quantity = (4/square root of 3) * (1/3 square root of thirty four) * (1/2 square root of nineteen) * (2 square root of thirteen over three) * (4/3 square root of ten)

= 16/square root of (3 * 34 * 19 * 13 * 10/9)

= 16/square root of 2,583.49

= 16/50.83

= 0.3147 (rounded to four decimal point)

To find the magnitude of r'(π/3), we need to take the square root of the sum of the squared components:

Magnitude of r'(π/3) = √[sec^4(π/3) + (2*cot(2(π/3))*csc^2(2(π/3)))^2]

Once you evaluate the trigonometric functions at π/3 and simplify the expression, you will have the magnitude of r'(π/3).

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A line is the shortest distance between two points. The value of x from the given parameters is 3

A line is defined as the shortest distance between two points. Given the following parameters

TU = 1 - x,

UB = 4x + 17,

TB = -3x

According to the addition postulate;

TU + UB = TB

Substitute the given parameters to have:

1 - x + 4x + 17 = -3x

Collect the like terms to have:

1+3x+17 = -3x

3x+3x = -1-17

Simplify

6x = -18

Divide both sides by 6

6x/6 = -18/6

x = -18/6

x = -3

Hence the value of x from the given parameters is 3

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The number of miles he drove for a cost of $30.50 is 275 miles.

Using linear equation,

y = mx + b

where

Therefore,

9 cents = $0.09

y = 35.50 + 0.09x

where

x = number of miles drove

y = total cost

Therefore,

60.25 =  35.50 + 0.09x

60.25 - 35.50 = 0.09x

24.75 = 0.09x

x = 24.75 / 0.09

x = 275 miles

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The mean square fοr treatments is 3,000, which cοrrespοnds tο οptiοn OC.

Tο find the mean square fοr treatments (MST), we need tο divide the sum οf squares fοr treatments (SST) by the degrees οf freedοm fοr treatments (dfT).

In this case, the given SST is 9,000 and there are fοur tοtal treatments.

The degrees οf freedοm fοr treatments (dfT) is equal tο the number οf treatments minus 1. Since there are fοur treatments, dfT = 4 - 1 = 3.

Nοw we can calculate the MST:

MST = SST / dfT

       = 9,000 / 3

        = 3,000.

Therefοre, the mean square fοr treatments (MST) is 3,000.

The mean square fοr treatments is 3,000, which cοrrespοnds tο οptiοn OC.

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Answer:

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Ten rational numbers between 3/5 and 3/4 are 121/200, 122/200, 123/200, 124/200, 125/200, 126/200, 127/200, 128/200, 129/200, 130/200.

\(\small\fbox{\blue{\underline{mαrk \; mє \; вrαínlíєѕt \; plєαѕє ♥}}} \)

Answer:

Step-by-step explanation:

(A). A 90° counterclockwise rotation about the origin followed by a translation 1 unit to the left.

Answer:

18.9

Step-by-step explanation:

Answer:

16 17 18 and 19 are the numbers your loooking for

Answer:

A. An exterior angle of a triangle can equal one of the interior angles of the triangle.

Step-by-step explanation:

The triangle can have more than one exterior angles that can be acute or obtuse angles since the triangles angles must sum to 180 degrees. The exterior angle of a triangle is equal to the sum of the interior angles of the triangle.

Answer:

3

Step-by-step explanation:

The given information consists of a series of equations involving variables b1, b3, and b4, as well as the constant values 8, 9, and 10. The objective is to calculate the value of b3.

To find the value of b3, we need to analyze the given equations and use algebraic techniques to solve for the unknown variable.
From the equations given, we can observe that b1 = 10, b4 = 9, and 62 = 8. These values provide fixed points of reference.
Next, we examine the equations involving b3. We have two equations: b3 - a = 15 and b3 - b = 10. However, there is no information provided about the values of a and b. Without additional information or constraints, we cannot determine the specific value of b3.
It is important to note that the solution to the problem depends on having all the necessary information or additional equations that can be used to solve for the unknowns. In this case, the lack of information about the values of a and b prevents us from calculating the exact value of b3.

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Answer:

--------------------------

It means all the points on a horizontal line have  different x-coordinates but same y- coordinates.

Looking at the answer choices we can only see the pairs (-6, 9) and (22, 9) follow this rule. Hence A is the correct choice.

Answer:

(-6, 9) and (22, 9)

Step-by-step explanation:

For a point (x, y):

A horizontal line is represented by the equation y = a, where (0, a) is the y-intercept of the line.

Each point on a horizontal line has the same y-value.

Therefore, the only ordered pair that has the same y-value, and therefore lies on a horizontal line is:

The equation of the horizontal line that contains the two ordered pairs is y=9.

Answer:

For a day VFR flight in a Piper Archer, you would need a fuel reserve of approximately 5 gallons.

Step-by-step explanation:

The amount of fuel reserve that must be carried on a day VFR (Visual Flight Rules) flight, the FAA requires a minimum fuel reserve of 30 minutes at cruising speed for day VFR flights. To calculate the gallons needed for a Piper Archer, follow these steps:

1. Determine the fuel consumption rate of the Piper Archer at cruising speed, which is typically around 10 gallons per hour (GPH).
2. Divide the required fuel reserve minutes (30) by the minutes in an hour (60): 30 / 60 = 0.5 hours.
3. Multiply the fuel consumption rate (10 GPH) by the required fuel reserve time in hours (0.5 hours): 10 * 0.5 = 5 gallons.

Therefore, for a day VFR flight in a Piper Archer, you would need a fuel reserve of approximately 5 gallons.

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Answer:

D'(8,5) E'(12,3)  F'(10,0)

Step-by-step explanation:

Translate will not change size, shape or rotate or reflect or dilate..

The resulting coordinate of △ D'E'F' is translated by the vector is (8, 5),  (12,3), and (10, 0).

Given that the vertices of △ DEF are D (2, 5), E (6, 3), and F (4, 0).

We need to translate the △ DEF using the (6, 0) vector

To translate a triangle using a vector, you simply add the components of the vector to the coordinates of each vertex of the triangle.

In this case, the vector is (6, 0).

Let's add (6, 0) to each vertex of △ DEF:

For point D(2, 5):

New x-coordinate = 2 + 6 = 8

New y-coordinate = 5 + 0 = 5

So, the image of point D after translation is D'(8, 5).

For point E(6, 3):

New x-coordinate = 6 + 6 = 12

New y-coordinate = 3 + 0 = 3

So, the image of point E after translation is E'(12, 3).

For point F(4, 0):

New x-coordinate = 4 + 6 = 10

New y-coordinate = 0 + 0 = 0

So, the image of point F after translation is F'(10, 0).

Therefore, the coordinates of the image triangle (△ D'E'F') after translation using the vector (6, 0) are:

D'(8, 5)

E'(12, 3)

F'(10, 0)

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Answer:

cost price = $262.57

selling price = $302.48

Explanation:

The selling price is

Selling price = cost + markup

We know that markup is 15.2% of the cost price. Since the markup is $39.91,

dividing both sides by 0.152 gives

The selling price is

cost price + 15.2% of the cost price

= (100% + 15.2%) cost price

=115.2% cost price

Now, 115.2% of the cost price is

Hence the selling price is $302.48.

Therefore, to summerise,

cost price = $262.57

selling price = $302.48

Answer:

16x+6

Step-by-step explanation:

5x+2+3x+1+5x+2+3x+1 =

16x+6

Answer:

16x + 2

Step-by-step explanation:

\(\boxed{\begin{minipage}{4 cm}\underline{Perimeter of a rectangle}\\\\$P=2(w+l)$\\\\where:\\ \phantom{ww}$\bullet$ $w$ is the width. \\\phantom{ww}$\bullet$ $l$ is the length.\\\end{minipage}}\)

Given expressions:

To write an expression for the perimeter of the rectangle, substitute the given expressions for the width and length into the perimeter formula:

\(\begin{aligned}\implies \textsf{Perimeter} &=2\left(5x+2+3x-1 \right)\\ &= 2(5x+3x+2-1)\\&=2(8x+1)\\&=16x+2\end{aligned}\)