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Can someone help me please ​

Can someone help me please ​-example-1

1 Answer

3 votes

Answer:

a) 1.2 seconds

b) 50 bpm

Explanation:

a)

The period is the value of t that makes the angle be 2π:

5πt/3 = 2π

t = 3(2π)/(5π) = 6/5

The period of the function is 6/5 = 1.2 seconds.

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b)

The number of beats per minute is ...

(1 beat)/(1.2 s) × (60 s)/(1 min) = 60/1.2 beats/min = 50 beats/min

User Evgeny Melnikov
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