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vodomira [7]
3 years ago
15

A helicopter blade spins 775 times in 3 minutes. find the rate of the revolutions per second.

Mathematics
1 answer:
Stolb23 [73]3 years ago
3 0
Use the proportions property:

775 times   ---------- 180 sec
  x               ----------    1 sec

x=\frac{775}{180}=4.3 \ times \ per \ sec
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