Find the volume of a cylinder with a height of 5inches and radius of 2inches?

Mathematics

2 answers:

Helen [10]3 years ago

8 0

Answer:

62.8318530718 inches^3

Step-by-step explanation:

The volume of a cylinder can be found using:

V=πr^2h

Substitute 2 in for r (radius), and 5 in for h (height)

V=π2^2*5

V=π4*5

V=π20

V=62.8318530718

62.8318530718 inches^3

Hope this helps! :)

inysia [295]3 years ago

5 0

Answer:

the Volume would be around 62.83

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Given f(x)=7(9−x)−4, what is the value of f(−1) ?<br><br> Enter the answer in the box.

NeX [460]

Solution:

f(x) = 7(9 - x) - 4

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4 0

3 years ago

Read 2 more answers

Find the value of Y<br> .....

vekshin1

Answer:

$y = 6 \sqrt{3} \: units$

Step-by-step explanation:

In order to find the value of y, first we need to find the length of the perpendicular dropped from one of the vertices of the triangle to its opposite side.

By geometric mean theorem:

Length of the perpendicular

$=\sqrt{9\times 3}$

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Next, by Pythagoras theorem:

${y}^{2} = {9}^{2} + {( \sqrt{27} )}^{2} \\ \\ {y}^{2} = 81 + 27 \\ \\ {y}^{2} = 108 \\ \\ y = \sqrt{108} \\ \\ y = \sqrt{36 \times 3} \\ \\ y = \sqrt{ {6}^{2} \times 3} \\ \\ y = 6 \sqrt{3} \: units$