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OleMash [197]
3 years ago
15

16fy

Mathematics
1 answer:
Sedaia [141]3 years ago
8 0

Answer:

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7. A sphere has a volume of 361 in. Find the<br>radius of the sphere.​
Dahasolnce [82]

Answer:

r =  4.417

Step-by-step explanation:

in order to calculate the radius of a sphere

given  that

volume of sphere = 361

π = 3.14

radius = ?

recall that the volume of a sphere = 4/3 πr³

361 = 4 /3 × 3.14 × r³

361 = 12.56r³/3

cross multiply

361 × 3 = 12.56r³

1083 = 12.56r³

divide both sides by 12.56

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find the cubic root of both sides

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7 0
3 years ago
Find the velocity of a runner that complete 400 meters in 56 seconds
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Answer:

Step-by-step explanation:

As long as the runner does not change direction, the velocity would be

Formula

d = r*t

r = d/t

Solution

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