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Likurg_2 [28]
3 years ago
12

Someone please help me out with this as soon as possible

Mathematics
1 answer:
Burka [1]3 years ago
8 0
1/8..........,.......
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Find the altitude of a cylinder with with a radius of 9 and a surface area of approximately 791.68 units2.
Vika [28.1K]

In this question , it is given that we have a cylinder with with a radius of 9 and a surface area of approximately 791.68 units square.

The formula of surface area of cylinder is

A= 2 \pi r^2 + 2 \pi r h

Substituting the values of A and r, we will get

791.68 = 2* \pi * 9^2  + 2 * \pi * 9*h
\\
791.68 = 162 \pi + 18 \pi h
\\
791.68 -162 \pi = 18 \pi h
\\
h = \frac{791.68 -162 \pi}{18 \pi}
\\
h =5 units

So the height of the cylinder is 5 units .


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How many times per year does the average american go to the movies
OlgaM077 [116]

Answer:

About 4 times per year.

Step-by-step explanation:

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3 years ago
Devont had a handful of dimes and quarters in his pocket. He counted 41 coins and realized they were worth $7.55. Write and solv
MatroZZZ [7]

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Step-by-step explanation:

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Teacher takes about 25 minutes to make out a test for a mathematics class. How long will it take to make out tests for all five
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