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Igoryamba
3 years ago
14

A sphere and a right cylinder have the same radius and volume. The cylinder has a height of 8 feet. Find the radius.

Mathematics
1 answer:
siniylev [52]3 years ago
8 0

9514 1404 393

Answer:

  6 feet

Step-by-step explanation:

The volume of a cylinder is given by ...

  V = πr^2·h

For a sphere, the volume is ...

  V = 4/3πr^3

You want the volumes to be the same when h=8, so we have ...

  πr^2·8 = 4/3πr^3

Dividing by πr^2, we have ...

  8 = 4/3r

  r = 3/4·8 = 6

The radius is 6 feet.

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The ordered pairs in the table represent a linear function.
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Answer:

If x = 7 y = 20

Step-by-step explanation:

As the x goes up by 1 you see that the y goes up by 2.

y = 2x + 6

Using that equation gets you your y

y = 2(7) + 6

y = 14 + 6

y = 20

6 0
3 years ago
What is the purpose of a standard drink measurement? It allows you to determine if you're getting what you paid for It is a cons
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Answer:

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Step-by-step explanation:

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6 0
3 years ago
Simplify the expression:<br><br> –3(9 − x) =
steposvetlana [31]

Answer:

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Step-by-step explanation:

-3(9-x)

Apply the distributive law: a(b-c)=ab-ac

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Apply minus - plus rules:

-(-a)=a

= -3*9+3x

Multiply the numbers: 3 * 9 = 27

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Hope this helps! If so, may I get Brainliest and a Thanks?

Thank you, have a good one! =)

6 0
3 years ago
James has 38 stamps in his stamp collection. He collects about 6 stamps a month. How many stamps will James have in 7 months?
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8 0
3 years ago
Read 2 more answers
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3 years ago
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