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exis [7]
2 years ago
12

Volume of cylinder, write the term in pie

Mathematics
1 answer:
gladu [14]2 years ago
3 0

Answer:

vol of cylinder = per. of base x height + 2 (area of base)

area of base = pi x r^2

4pi = pi r^2

4=r^2

r=2

per of base = 2 x pi x r

2xpix2=4pi (same as area cause 2x2 and 2^2 is the same thing)

4pi + 2(4pi)

4pi + 8pi

<u>12pi  = volume</u>

<u />

<u>hope that answers your question</u>

<u>Don't hesitate to comment if you are confused about something</u>

Step-by-step explanation:

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WILL GIVE BRAINLIEST
levacccp [35]

Answer:

a.  5^{2} x^{3}

b. 8^{3}

c. 4^{3} x^{4}

Step-by-step explanation:

a.  5^{2} x^{3}

b. 8^{3}

c. 4^{3} x^{4}

5 0
2 years ago
Morgan is reupholstering an old chair with two circular cushions. Each cushion has a circumference of 7. 85 feet. He will need t
kramer

The total fabric Morgan needs to cover the cushions will be 19.64 square feet.

It is given that each cushion has a circumference of 7.85 feet.

It is known that the circumference of a circle = 2πr, where 'r' is the radius of the circle.

2πr = 7.85

r = 1.25

<h3>What is an area of a circle?</h3>

area of a circle is πr².

now, we can calculate the area = π× 1.25² = 4.91 square feet

since each circular cushion has two circular faces so the total number of faces Morgan needs to cover will be 4.

Therefore, the total fabric needed= 4×4.91 = 19.64 square feet.

to get more about the area of a circle, refer to the link:

brainly.com/question/12069107

8 0
2 years ago
The volume of a sphere can be described by the following formula, where V = volume and r = radius of the sphere.
Anika [276]

Option C: r = \sqrt[3]{\frac{3V}{4\pi} } is the right answer

Step-by-step explanation:

Given formula for volume of a sphere is:

V = \frac{4}{3}\pi r^3

We have to make r the subject of the formula

Multiplying equation by 3/4

\frac{3}{4}V = \frac{4}{3} * \frac{3}{4} \pi r^3\\\frac{3}{4}V = \pi r^3

Dividing both sides by pi

\frac{3}{4\pi}V =\frac{ \pi r^3}{\pi}\\\frac{3V}{4\pi} = r^3

Taking cube root on both sides

\sqrt[3]{\frac{3V}{4\pi} } = \sqrt[3]{r^3} \\ r = \sqrt[3]{\frac{3V}{4\pi} }

Hence,

Option C: r = \sqrt[3]{\frac{3V}{4\pi} } is the right answer

Keywords: Volume, Sphere

Learn more about volume at:

  • brainly.com/question/12973601
  • brainly.com/question/13063819

#LearnwithBrainly

5 0
3 years ago
What is $184.94 if the shipping 5%
pychu [463]
The anwser is $924.70
4 0
3 years ago
Read 2 more answers
Use the formula you found in the previous question to find the degree of angle B if angle A = 35 and angle C = 90.
jok3333 [9.3K]

Answer: 55

Step-by-step explanation:

90+35=125

180 is the total degrees of an angle so 180-125= 55

6 0
3 years ago
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