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3 years ago

What is the approximate volume of the cylinder? Use 3.14 for π. 9 Hight and 4 length.

Mathematics

1 answer:

krek1111 [17]3 years ago

5 0

Answer:

113.04

Step-by-step explanation:

Radius(r)= 4/2 = 2

Volume = r² x π x h

⇒ 4 x 3.14 x 9 = 113.04 (when using pi = 3.14)

hope this helps!

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Find the exact volume of the cylinder.

Verizon [17]

Answer:

$\boxed {\boxed {\sf C. \ 200 \pi \ ft^3}}$

Step-by-step explanation:

We are asked to find the volume of the cylinder. The formula for calculating a cylinder's volume is:

$v= \pi r^2 h$

We know the height of the cylinder is 8 feet. We are given the diameter, the distance from edge to edge through the center. We want to find the radius, the distance from the edge to the center.

The radius is half the diameter.

r = d/2
r= 10 ft/2
r=5 ft

We know both variables (h= 8ft and r=5 ft) and can substitute them into the formula.

$v= \pi (5 \ ft)^2 * (8 \ ft)$

Solve the exponent.

5 ft * 5ft = 25 ft²

$v= \pi (25 \ ft^2)(8 \ft)$

Multiply the numbers in parentheses.

$v= \pi (200 \ ft^3)$

$v= 200 \pi \ ft^3$

The volume of the cylinder is 200π cubic feet and choice C is correct.

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2 years ago

Find the square root of the following decimal numbers.

Softa [21]

Answer:

Answer is in picture

Step-by-step explanation:

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2 years ago

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PLS HELP (40 POINTS!!)

sineoko [7]

Answer:

Number of students:

5 + 4 + 7 + 10 + 4 = 30

Total of marks:

5*6 + 4*7 + 7*8 + 10*9 + 4*10 = 244

Mean mark:

244/30 = 8.1333 ≈ 8

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2 years ago

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Cedro collects state quarters. he has 42 out of 50 available quarters. what is 42 out of 50 as a percent

babunello [35]

$42 \ out \ of \ 50=\frac{42}{50}=\frac{42 \times 2}{50 \times 2}=\frac{84}{100}=\boxed{84\%}$

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3 years ago

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A pool in the shape of a rectangular prism has a width of 8 1/2 feet (ft), a length of 12ft, and a depth of 8 ft

frozen [14]

V=lwh, where V is volume, l is length, w is width, and h is height. Plug in and solve:

V=12(8.5)8

V=816

C) 816ft3

Hope this helps!!

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3 years ago