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brodybb9350
29.05.2020 •
Mathematics
1. Find the diameter of a ball that rolls 100 feet after 60 revolutions.
Round to the nearest hundredth.
A
0.27
B
5.24
С
053
D
2.62
Solved
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Ответ:
Correct option: C (it is missing the point)
0.53
Step-by-step explanation:
When a ball rolls one revolution, the distance travelled is the length of its circunference, that is:
Circunference = pi * diameter
So, to solve this question, we can use a rule of three:
1 revolution -> pi * d
60 revolutions -> 100 feet
100 = 60 * pi * d
d = 100 / (60 * pi) = 0.53 feet
Correct option: C (it is missing the point).
Ответ: