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velikii [3]
3 years ago
14

A hollow ball is made of rubber that is 2 centimeters thick the ball has a radius to the outside surface of 6 cm what is the app

roximate volume of rubber used to make the ball
Mathematics
1 answer:
Fudgin [204]3 years ago
4 0
The answer would be 636.4 cm3 because you first have to find the volume of the sphere including the rubber wall, which is 904.32 cm3. Next, you would find the volume of the sphere inside the rubber, so subtract 2 cm from the radius of 6 cm and put 4 cm into the formula to get 267.9567. Last, subtract the internal volume from the external volume to get 636.3733 cm3 and round it to the tents place.
(4/3) x 3.14 x 6^3 = 904.32
(4/3) x 3.14 x 4^3 = 267.9467
904.32 - 267.9467 = 636.3733
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5 0
3 years ago
Read 2 more answers
Apr 17, 1:42:09 AM
SVEN [57.7K]

Answer:

(-1, 5)

Step-by-step explanation:

3 [x + y = 4]

  3x + 3y = 12

-  3x + 7y = 32

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y = 5

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3 0
2 years ago
Y - 5 = -2x - 4<br><br>Write in simpilest form.
Romashka-Z-Leto [24]
Y - 5 = -2x - 4

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7 0
3 years ago
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alex41 [277]

Answer:

Option 1

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