robinson88 robinson88

14-11-2018
Mathematics

contestada

trevers heart rate is 78 beats per minute. how many times does his heart beat in 10 seconds

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M4TTH3W M4TTH3W

14-11-2018

Per minute = 60 seconds
78÷60 gives the heart beat per second
78÷60=1.3
1.3×10=13

A:trevers heart beats 13 times in 10 seconds.

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