Dwayne had a test average of 85.2 last semester. His first four test grades were 81,87 and 93. use the formula to find his score on the fifth test

Answer:

  see below

Step-by-step explanation:

When there as a remainder, polynomial division does not result in a polynomial. The set of polynomials is not closed for division.

Answer:

B, Division

Step-by-step explanation:

Answer:

The correct answer is a.

Step-by-step explanation:

The sequence is: 2 3 E 4 5 I 6 8 We can notice that there are numbers and letters alternating in the sequence. The numbers are increasing, and the letters seem to be vowels in alphabetical order. So, the next value should be a letter (vowel) after I, which is O. The correct answer is a.

An expression that can be used to find the cost of an n-minute long distance call, where n is at least 5 minutes is (0.55 + (n - 5) x 0.07) dollars.

Given:

Long Distance Rates Time (minutes) Cost5 $0.556 $0.627 $0.698 $0.769 $0.8310 $0.90We need to find an expression that can be used to find the cost of an n-minute long-distance call, where n is at least 5 minutes.

The cost of making a long-distance call is given for 5 minutes, 6 minutes, 7 minutes, 8 minutes, 9 minutes, and 10 minutes.

We can observe from the above table that for every increase of 1 minute, the cost increases by $0.07.

We can conclude that the cost of n minutes long-distance call is given by: (0.55 + (n - 5) x 0.07) dollars when n is at least 5 minutes.

Therefore, the required expression is: (0.55 + (n - 5) x 0.07) dollars when n is at least 5 minutes. The above expression is based on the pattern in the table provided for long-distance call rates. We can use this expression for values of n greater than or equal to 5.

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Answer:

Step-by-step explanation:

First we can notice that the values in w correspond to a cuadratic equation with the intercept with the y axis equal to 1. and the intercepts with the x axis is -1 and 1 so the x^2 is negative so is opyion C

Step-by-step explanation:

y = -1/2 X + 1/4

comparing with y = mx+c

m = -1/2 and m is slop

henve slope = -1/2

The value of the given mathematical expression is a 5/6.

According to the statement

we have to find the value of the 2y/X from the given statement.

So, For this purpose, we know that the

Mathematical expression is an expression is a combination of numbers, variables, functions.

From the given information, The expression is a:

13/(5x + y)= 1/y

Now, rearrange it then

13y/(5x + y)= 1

13y = (5x + y)

Now solve it then the value becomes

13y - y = 5x

12y = 5x

Divide it with the 6 then

2y = 5x/6

Then

2y/x = 5/6.

Now, the expression value becomes is 5/6.

So, The value of the given mathematical expression is a 5/6.

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Answer:

13 units

Step-by-step explanation:

Hello!

The area of a trapezoid is \(\frac{b_1 + b_2}{2} * h\).

So, given the area is 100 units², and the height is 10 and one base is 7, solve for the other base:

The missing base is 13 units.

Answer:

65

Step-by-step explanation:

Answer: the answer is 41

Step-by-step explanation: 4+2+3+3+6+2+5+3+6+7=41

The area of the figure is 132 square units. We need to add the areas of 3 parts of the figure.

First, I would figure out the areas of the triangles:

Now, we need to clarify the triangles.

First we need to find the area of the left triangle.

Area of Triangle: \(\frac{1}{2}bh\)

Area of Left triangle:  1/2(6x8) =24 units²

Area of Right triangle:  1/2(8x3) = 12 units²

Now, we need to find the area of the rectangle.

Area of Rectangle = l * b

Entire rectangle between triangles: 12x8 = 96 units²

We got all the areas,

now we add all areas together:  24+12+96 = 132 units².

Therefore, the area of the figure is 132 square units.

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Answer:

I think it's -18

Step-by-step explanation:

24 divided by 4 is 6. what you do to one has to be done to the other. so -3 times 6 equals -18.

Answer: -18

Step-by-step explanation:

Answer:

D. \(-2a^2+2a+4\)

Step-by-step explanation:

\(d_1=a^2+2a+3\\d_2=2a^2+a+1\\\)

First, substitute both of these equations into \(2(d_1-d_2)\)

\(2((a^2+2a+3)-(2a^2+a+1))\)

Now, you just simplify. I don't have much to say about it, but here's the steps:

\(2(a^2+2a+3-2a^2-a-1)\\2(a^2-2a^2+2a-a+3-1)\\2(-a^2+a+2)\\-2a^2+2a+4\)

Your answer is D. \(-2a^2+2a+4\)

Answer:

D.strong

Step-by-step explanation:

Answer:

strong

Step-by-step explanation:

definitely not parabolic

pretty positive (not negative)

pretty strong (not weak)

I guess strong

(don't be angry if it is wrong, I'm not a regression and best fit expert)

Answer:

31

Step-by-step explanation:

subsitute

35-4

1)

The property not preserved under line reflection is orientation.

Option g

(Note: Dilation, rotation and translation are preserved under line reflection).

2)

A congruence transformation is also known as isometry or rigid transformation.

Option e.

3)

A --- invloves three reflections

4)

Since reflection does not preserve orientation, the reflection of quadrilateral does not preserve orientaion

Option g.

5)

The equaivalent of three reflections in parallel lines is a reflection

Option l

6)

In reflection, the figure is flipped over a line.

Option o

7)

A figure with rotational symmetry can be mapped onto itself by a rotation of 180 degree or less.

Option j.

8) Transformation that change the position of a figure without changing its shape and size is known as translation.

Option m

9)

Moving a figure to the right or left and up or down without flipping is

translation.

Option m

10)

In translation, a point, line or image is slided to a new position without any change in shape or size without any flipping.

Option m

Answer:

3/5 and 1/4

Step-by-step explanation:

Answer:

The correct answer is option one and option four.

Step-by-step explanation:

y=3x and y=-ax are equal because they are opposites and can match to the other by the same numbers. I hope you know what I mean by that, I prob didn't say it right. But the other two opstions are not correct because they are different kind of equations, (additions, subtraction, multiplication, and division) I hope you understand. Good luck on future questions!!

The probability that the mean battery life would be greater than 526.4 minutes if in a sample of 81 batteries having a variance of, 2916 and a mean life of 518 minutes is 0.0808.

The ratio of good outcomes to all possible outcomes of an event is known as probability. A lot of successful results for an experimental with 'n' results can be represented by the symbol x.

Given:

The variance = 2916,

The mean life of a battery, m = 518 min,

The total number of samples, n = 81

Calculate the probability of a mean battery life of lower than 526.4 minutes by the following formula,

z = x - m / (σ / √ n)

Here, x is the expected value, σ is the deviation, and z is the probability.

Substitute the values,

z = 526.4 - 518 / (54 / √81)         [σ = √ variance = √2916  = 54]

z = 1.4

Consult the cumulative standard normal table

P (z < 526.4) = 0.9192,

But we know that

P (z > 526.4) = 1 - P (z < 526.4)

P (z > 526.4) = 1 - 0.9192 = 0.0808

Therefore, The probability that the mean battery life would be greater than 526.4 minutes if in a sample of 81 batteries having a variance of, 2916 and a mean life of 518 minutes is 0.0808.

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Answer:

5

Step-by-step explanation:

The side b is approximately 80.02 feet in length. In a right triangle ABC with angle C equal to 90°, if angle B is 37.56° and side a is 49.94 feet, we can solve for side b using the trigonometric function sine.

First, we can label the triangle as follows:

Side a is opposite angle A,

Side b is opposite angle B,

Side c is the hypotenuse.

Let's label the triangle with the given and asked for information. Angle C is the right angle, angle B is 37.56°, side a is 49.94 feet, and side b is the side we are trying to find.

Using the sine function, we have:

sin(B) = opposite/hypotenuse

sin(37.56°) = a/b

Now we can substitute the known values:

sin(37.56°) = 49.94/b

To solve for b, we rearrange the equation:

b = 49.94 / sin(37.56°)

Using a calculator, we find:

b ≈ 80.02 feet.

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Answer:

There are 8 girls in the homeroom

When a recipient not-for-profit entity receives a gift for transfer to another charitable entity, it records it as revenue upon receipt.

If the donor retains the right to revoke or redirect the gift, it's recognized as a "Contribution Receivable" liability until the restrictions lapse or are fulfilled. Consult accountants for proper accounting.

When a recipient not-for-profit entity receives a gift that will be transferred without restriction to another charitable entity,

The accounting treatment typically involves two steps:

Recognition on Receipt:

The recipient not-for-profit entity should recognize the gift as revenue or contribution in its financial records upon receipt.

This is because the organization has legal control and possession of the gift, even if it intends to transfer it to another charitable entity.

The accounting entry will depend on the nature of the gift received ( cash, securities, in-kind donation).

Classification as a "Contribution to be Transferred":

The second step involves classifying the received gift as a "Contribution to be Transferred" on the recipient's balance sheet.

This classification reflects that the entity intends to pass the gift along to another charitable entity

and that the funds are not restricted for use within the recipient organization.

If the donor retains the right to revoke or redirect the gift,

The recipient not-for-profit entity should follow the guidelines for recognizing contributions subject to donor restrictions.

Until the restrictions lapse or are fulfilled, the contribution should be recorded as a liability ( "Contribution Receivable").

Accounting for contributions with donor-imposed restrictions can be complex,

and the specific treatment will depend on the terms of the gift and applicable accounting standards.

It's essential for the not-for-profit organization to consult with its accountants

or financial advisors to ensure compliance with relevant accounting principles and reporting requirements.

Also, it's important to note that accounting standards and regulations may vary across different countries or regions,

so organizations should adhere to the accounting principles applicable in their specific jurisdiction.

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Answer: YES

Step-by-step explanation:

Answer:

the corrects answer is -3

Step-by-step explanation:

Given parameters:

Number of pencils = \(4\frac{1}{2}\) pencils

Time taken = \(3\frac{1}{3}\) minutes

Unknown:

Number of pencils produced in 1 minute;

Solution:

To solve this problem, let us first find the rate of the machine;

       Rate of machine = \(\frac{number of pencils }{time taken}\)

       Rate of machine = \(\frac{\frac{9}{2} }{\frac{10}{3} }\)   = \(\frac{9}{2} x \frac{3}{10}\)   = \(\frac{27}{20}\) pencils/minute

Now, number of pencils produces in 1 minute;

            Number of pencils  = rate of machine x time taken

             Number of pencils = \(\frac{27}{20}\)  pencils/ min x 1 min

             Number of pencils = \(\frac{27}{20}\)pencils

The number of pencils produced in 1 minute is \(\frac{27}{20}\)

hello

to solve this question, we should write out an expression

the cost of an item = x

there's 45% discount on x

let y represent the discount price

the new price to pay after the discount =

the new price of the item = x - (0.45x)

Answer:

9:5

Step-by-step explanation:

Answer:

2/3 * 660

Step-by-step explanation:

If we convert 65% to a decimal, we get 0.65.

First, it will helpful to find exactly what is 65% of 668:  

0.65 * 668 = 434.2 and thus 65% of 668 is exactly 434.2.

Similarly, if you convert 2/3 to a decimal, you get 0.66 repeating.

2/3 * 660 = 440 which is only 10.2 units larger than 434.2.  Thus, 2/3 * 660 is the most accurate estimate of 65% of 668.

Step-by-step explanation:

Number of Elements in Power Set - For a given set S with n elements, number of elements in P(S) is 2^n. As each element has two possibilities (present or absent), possible subsets are 2x2x2.. n times = 2^n. Therefore, power set contains 2^n elements.