V = πrh (solve for h)

An assumption or concept is given as a hypothesis for the purpose of debating it and testing if it might be true.

hence,sample test of means one-sample test of proportions one-sample test of variances two-sample test of means (independent samples) two-sample test of means (paired samples) two-sample test of proportions two-sample test of variances.

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Answer:

A) 8+2.50x=28

B) 8 rides

C) Jada can go on 8 rides before she has spent all of her money

Step-by-step explanation:

subtract the $8 fee from 28 and get 20, then divide 20 by how much each ride costs (2.50) and get 8 :)

Answer:

She went on 8 rides

Step-by-step explanation:

28-8=20÷2.50=8

Answer:

Step-by-step explanation:

From the information given,

Mark: 6,7,8,9,10

frequency:5,4,7,10,4

a) Range = highest mark - lowest mark

Range = 10 - 6 = 4

b) The number of students in the group is the sum of the frequency. Therefore,

Number of students = 5 + 4 + 7 + 10 + 4 = 30 students

c) Mean mark = (mark × frequency)/total frequency

[(6 × 5) + (7 × 4) + (8 × 7) + (9 × 10) + 10 × 4)]/ 30

Mean mark = (30 + 28 + 56 + 90 + 40)/30 = 244/30

Mean mark = 8.1

Answer: From the information given, Mark: 6,7,8,9,10 frequency:5,4,7,10,4 a) Range = highest mark - lowest markRange = 10 - 6 = 4b) The number of students in the group is the sum of the frequency. Therefore, Number of students = 5 + 4 + 7 + 10 + 4 = 30 studentsc) Mean mark = (mark × frequency)/total frequency[(6 × 5) + (7 × 4) + (8 × 7) + (9 × 10) + 10 × 4)]/ 30Mean mark = (30 + 28 + 56 + 90 + 40)/30 = 244/30Mean mark = 8.1

Step-by-step explanation:

New Saint School

Sector -13

Delhi - 24

February xx , 20xx,

The manager,

Laxmi Publication Pvt. Ltd.

Delhi

Dear Sir/Madam,

Subject : Placing an order for English practice worksheet.

As we have discussed on our telephonic conversation on behalf of my school I would like to place an order for English practice worksheet for grade 6 to grade 10 for my school. Details are given below:

English literature for grade 6 to 10.

English worksheet workbook  grade 6 to 10.

English grammar  grade  6 to 10.

As per our discussion on telephone i am sending account payee cheque of Rupees 25,000 and rest of the amount at the time of delivery. kindly send the above order with in five days at the above address.

kindly place the order as per the agreement.

Thanking you.

Your truly

ABC

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Answer:

Regular

Step-by-step explanation:

The answer to this question is a regular tessellation. A regular tessellation can be explained as a cover design of the plane which is done by making use of 1 type of regular polygon.

In order To make a regular tessellation, we have to make sure that the internal angle of the polygon can divide 360. This way there won't be gaps.

Answer: regular

other answr might be polygon

Step-by-step explanation:

Answer:

3/14

Step-by-step explanation:

1 1/4 can be written as 5/4

5 5/6 can be written as 35/6

so divide (5/4)/(35/6)

= (5/4)*(6/35)

=(1/4)*(6/7)

=6/28

simplified = 3/14

Answer:

I got f^-1(x)= 5x-3

You switch x and y (because f(x) is basically y) so then it's a two-step equation.

Answer: A

Step-by-step explanation:

The largest possible volume of this box is 1687.5 cm³ with a base edge of 15 cm and a height of 7.5 cm

Let w = length of the base edge

h = height of the box

A box with a square bottom and an open top is to be made from 675 cm² of material. Hence,

675 cm² = w² + 4wh

4wh = 675 cm² - w²

h = (675 cm² - w²)/4w

The volume of the box is the product of the area of the square base and its height. Hence,

V = w²h

Substitute the expression of h to the equation of volume.

V = w²(675 cm² - w²)/4w

V = (675/4)w - (1/4)w³

To obtain the largest volume possible, the first derivative of the volume should be equal to zero.

V'(w) = 0

V = (675/4)w - (1/4)w³

675/4 - (3/4)w² = 0

Simplify and solve for the value of w.

675/4 - (3/4)w² = 0

(3/4)w² = 675/4

w² = 225

w = 15

length of the base edge = 15 cm

Solve for the value of h.

h = (675 cm² - w²)/4w

h = (675 cm² - (15)²)/4(15)

h = 7.5 cm

height of the box = 7.5 cm

Solve for the volume of the box.

V = w²h

V = (15 cm)²(7.5 cm)

V = 1687.5 cm³

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Answer:

\(2048 \times( \frac{1}{4} ) {}^{x} \)

Step-by-step explanation:

Objective:Functions

The table of values range and domain isn't proportional so the answer is exponential.

A exponential function is represented by

\(ab {}^{x} \)

The y values are decreasing by a common ratio of 4 so our b(our base) cant be negative so it will be

\( \frac{1}{4} \)

b=1/4 so plug that in our expression.

\(a( \frac{1}{4} ) {}^{x} \)

Let plug in 1,512.

\(a( \frac{1}{4} ) {}^{1} = 512\)

\( \frac{1}{4} a = 512\)

\(a = 2048\)

So our function is

\(2048 \times ( \frac{1}{4} ) {}^{x} \)

The examples of irrational numbers are π, √2 and √29 and the example for the irrational number which is greater than 5 is √29

Irrational numbers are those that cannot be represented as a terminating or repeating decimal. They are an important part of mathematics and have interesting properties.

The examples of irrational numbers:

π (Pi) - Pi is one of the most famous irrational numbers. It is the ratio of the circumference of a circle to its diameter and has a value of approximately 3.14159265359...

√2 (square root of 2) - The square root of 2 is another well-known irrational number.

One example of an irrational number greater than 5 is √29. The square root of 29 is approximately 5.38 and is an irrational number because its decimal representation goes on forever without repeating. It cannot be expressed as a fraction of two integers.

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Answer:

let me work on it

Step-by-step explanation:

Jackson's current salary is $36,000 per year. Each year his salary is 1.04 times the previous yeal's salary. What

will his salary be in his 5th year?

OA) $42,214.92

OB) $42,114.91

Answer:

Please check the explanation.

Step-by-step explanation:

Given that the measures of the Angles of the triangle ΔXYZ are in the ratio 2:4:6.

Also, the sum of the measure of angles in a triangle is 180°.

so

2x + 4x + 6x = 180

Add similar elements: 2x + 4x + 6x = 12x

12x = 180

Divide both sides by 12

12x/12 = 180/12

Simplify

x = 15

Therefore, the measure of the angles of a triangle will be:

2x = 2(15) = 30

4x = 4(15) = 60

6x = 6(15) = 90

Verification:

30 + 60 + 90 = 180

180 = 180

Answer:

D. it passes through the point (-12)

Answer:

A rectangle is a good, simple shape to begin with. The area of a rectangle is equal to the product of the length of its base and the length of its height. The height is a segment that is perpendicular to the base. For a rectangle, the base and height are often called the "length" and the "width", and sometimes the height is referred to as the "altitude."

Step-by-step explanation

Mark me as brainiest

Answer:

Number of points need = 6 points

Step-by-step explanation:

Given:

New average = 5

Points peter has = 44

Total quiz play = 9

Find:

Points required for average of 5

Computation:

Total number of match = 9 + 1

Total number of match = 10

Average points = 5

Assume;

Number of points need = x

So,

Average points = [Total points] / Total number of match

5 = [44+x] / 10

50 = 44 + x

x = 6

Number of points need = 6 points

The score does Peter needs on his tenth and final quiz in order to have a final quiz average of 5 is 6 and this can be determined by using the formula of average.

Given :

Peter scored a total of 44 points on 9 math quizzes.

The following steps can be used in order to determine the score of the tenth quiz:

Step 1 - The formula of average can be used in order to determine the score of the tenth quiz.

Step 2 - According to the given data, Peter scored a total of 44 points on 9 math quizzes. Now, let the score of the final tenth quiz be 'x'.

Step 3 - The average of the 10 quizzes is given by:

\(\dfrac{44 + x }{10}=5\)

Step 4 - Simplify the above expression in order to determine the value of 'x'.

50 = 44 + x

x = 6

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The surface area of the rectangular prism represented by the net can be calculated by adding up the areas of all six faces. Since a rectangular prism has three pairs of congruent faces, we can simplify the calculation to twice the area of one face (length times width) plus twice the area of another face (width times height) plus twice the area of the remaining face (height times length).

Therefore, the surface area of the rectangular prism can be calculated by using the dimensions provided in the net and applying the formula. The answer will depend on the specific dimensions given in the net. The surface area of the rectangular prism represented by the net can be found by adding the areas of all the individual rectangles that form the net.

To do this, calculate the area of each rectangle by multiplying its length and width, and then sum the areas of all the rectangles. In 100 words, I cannot provide a specific answer without the dimensions of the rectangles, but this is the general process to follow for finding the surface area of a rectangular prism represented by a net.

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Answer:

(0,0)

Step-by-step explanation:

Answer:

32 years

Step-by-step explanation:

8x12 because there are 12 inches in a foot

8x12=96

96/3

96/3=32

Answer:

32 years

Step-by-step explanation:

y = years

1 foot  = 12 inches

12 × 8 = 96

Now, plug in random numbers into the expression below to find how long it takes for the tree to grow 8 feet.

3y

3 × 10 = 30

3 × 20 = 60

3 × 30 = 90

3 × 31 = 93

3 × 32 = 96

It will take the pine tree 32 years to grow 8 feet, or 96 inches.

Answer:

C 82 degrees

Step-by-step explanation:

Since triangle, ABC is congruent to EFG which means that the measurement for A is the same measurement for C.

The area of the hexagon with side length 5ft and radius 5ft is 64.95 square feet.

A hexagon is a polygon with 6 sides.

Analysis:

Find in the attached file the analysis.

In conclusion, the area of the hexagon is 64.95 square ft.

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To show that w = u × v and v = w × u, we need to demonstrate that the cross product of vectors u and v yields the same result as the cross product of vectors w and u.

Given that u = v × w, let's calculate the cross product of w and u:

w × u = (u × v) × u

Since the cross product is not associative, we need to use the vector triple product identity:

w × u = u × (v × u) - (u · u) v

Since u is orthogonal to v, the dot product (u · v) is zero. Therefore, we can simplify the equation:

w × u = u × (v × u)

Next, let's calculate the cross product of v and u:

v × u = (u × v) × v

Using the vector triple product identity:

v × u = v × (u × v) + (v · v) u

Again, since u is orthogonal to v, the dot product (v · v) is zero:

v × u = v × (u × v)

Thus, we have shown that w = u × v and v = w × u, indicating that the cross products are equivalent in both directions.

In summary, when u, v, and w are orthogonal unit vectors, the cross product of u and v yields the same result as the cross product of w and u, as well as the cross product of v and w.

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Answer:

(d) Using the commutative property

Step-by-step explanation:

Given

The above steps

Required

Which is not part of the process

We have:

\(5(2x-8)= 20\)

\(10x - 40 = 20\)

\(10x - 40+ 40 = 20 + 40\)

\(10x = 60\)

\(\frac{10x}{10} = \frac{60}{10}\)

\(x = 6\)

Comparing the above steps with the given list of options, we can see that the commutative property is not applied at all.

Other properties are:

\(5(2x-8)= 20\) ---- Distributive

\(10x - 40+ 40 = 20 + 40\) ---- Like terms

\(\frac{10x}{10} = \frac{60}{10}\) --- Isolating the variable

The maximum area of the enclosure is 562500 square feet

The function is give as:

V(x) = 1500x - x^2

Differentiate

V'(x) = 1500 -2x

Set to 0

2x = 1500

Divide by 2

x = 750

Substitute x = 750 in V(x) = 1500x - x^2

V(x) = 1500*750 - 750^2

Evaluate

V(x) = 562500

Hence, the maximum area of the enclosure is 562500 square feet

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Answer:

20 ft

Step-by-step explanation:

the 6 ft persons shadow was reduced by a factor of 4 for the flagpole shadow being 5 ft long just multiply by 4 to get 20 because 20/4=5

Answer:

140°

Step-by-step explanation:

The opposite angles in a parallelogram are congruent, thus

∠ K = ∠ M = 140°

Lori will make more than Darryl, then the after 10 years Lori will have make $27.00 more in their account.

Darryl deposits into a savings = $1,500

Account that has a simple interest rate = 2.7%.

Lori deposits into a savings = $1,400

Account that has a simple interest rate = 3.8%.

Let us assume,

\(P_{1}\) = $1,500

\(r_{1}\) = 2.7%.

\(r_{1}\) =  2.7/100

\(r_{1}\) = 0.027

After 10 years = t = 10years

The formula to calculate simple interest is,

\(A_{1}\) = \(P_{1} (1+r_{1} t)\)           (Equation-1)

\(P_{1}\) = Principal amount

\(r_{1}\) = rate of interest ( in decimal )

t = time

First we calculate Darryl's deposit,

So we can substitute values in the equation-1,

\(A_{1}\) = 1,500(1 + 0.027×10)

\(A_{1}\) = 1,500 ( 1+0.27 )

\(A_{1}\) = 1,500 × 1.27

\(A_{1}\) = $1905

Now we will calculate Lori's deposit,

\(A_{2}\) = \(P_{2} (1+r_{2} t)\)                (Equation-2)

\(P_{2}\) = $1,400

\(r_{2}\) = 3.8%.

\(r_{2}\) =  3.8/100

\(r_{2}\) = 0.038

So we can substitute values in the equation-2,

\(A_{2}\) = 1,400 ( 1 + 0.038 × 10 )

\(A_{2}\) = 1,400 ( 1 + 0.38 )

\(A_{2}\) = 1,400 × 1.38

\(A_{2}\) = $1,932

Darryl will make money after 10 years = $1905

Lori will make money after 10 years = $1,932

Hence,

Lori will make more than Darryl,

Then the difference will be = 1,932 - 1,905 = $27

Therefore,

After 10 years Lori will have make $27.00 more in their account.

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The probability that a score will be greater than 82 in a normal distribution with a mean of 78 and a standard deviation of 7 is 28.43%. Correct option is D.

To calculate the probability that a score will be greater than 82 in a normal distribution with a mean of 78 and a standard deviation of 7, we need to use the standard normal distribution and the z-score.

First, we can find the z-score for 82 using the formula:

z = (x - mu) / sigma

where x is the value of interest (in this case, 82), mu is the mean (78), and sigma is the standard deviation (7).

z = (82 - 78) / 7

z = 0.57

Next, we can use a z-table or a calculator to find the area under the standard normal curve corresponding to a z-score of 0.57. The area represents the probability that a score will be greater than 82.

Using a standard normal table, we find that the area to the right of z = 0.57 is 0.2843 or approximately 28.43%. Therefore , correct option is D.

In conclusion, by calculating the z-score and using a standard normal distribution table, we can find the probability that a score will be greater than a certain value in a normal distribution with a known mean and standard deviation.

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Complete question is:

A normal distribution with a mean of 78 and a standard deviation of 7, what is the probability that a score will be greater than 82?

group of answer choices

A. 23.89%

B. 26.11%

C. 76.11%

D. 28.43%

E. 52.22%