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Snowcat [4.5K]
3 years ago
5

A cylinder has a radius of 3 and a height of 4 Using 3.14 (pi) Round your answer to the nearest hundredth What is the volume of

this Cylinder
Mathematics
1 answer:
tensa zangetsu [6.8K]3 years ago
6 0

Answer:

113.04 cubic units. ".04" is four hundredths.

(the units are not given here. They could be cubic feet, cubic inches, cubic meters, cubic centimeters. or other measurements.)

Step-by-step explanation:

To find volume we need to multiply the area of the base times the height.

The base of a cylinder is a circle.

The area is πr²

The given radius here is 3

3² is 9

π × 9 using 3.14 is 28.26

Multiply that area by the given height, 4

28.26 × 4 = 113.04

The volume if this cylinder is 113.04 cubic units.

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Mr.James has a cylindrical beakers that measure 4 inches in diameter and are 9 inches high .What is the volume contained within
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Cylinder Volume = PI * radius^2 * height


Cylinder Volume = 3.14 * 2^2 * 9


Cylinder Volume = 113.04 cubic inches


1728.com/diamform.htm



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Allison earns $14 an hour plus $20 an hour for every hour of overtime. Overtime hours are any hours more than 35 hours for the w
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<u>Part a)</u> Create an equation that shows the amount of money earned, E, for working x hours in a week when there is no overtime

Let

E-------> the amount of money earned

x------> number of hours worked

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For x\leq35

E=14x

therefore

<u>the answer part a) is</u>

E=14x

<u>Part b) </u>Create an equation that shows the amount of wages earned, T, for working y hours of overtime

Let

T-------> the amount of money earned

y------> number of hours of overtime

we know that

T=14*35+20y

T=\$490+20y

therefore

<u>the answer part b) is</u>

T=\$490+20y

<u>Part c)</u> Allison earned $610 in 1 week. How many hours (regular plus overtime) did she work?

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35\ hours=\$490

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Divide \$120 by  \$20----> to obtain the hours of overtime

\frac{120}{20}=6\ hours\ of\ overtime

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Regular=35\ hours\\ Overtime=6\ hours

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3 years ago
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