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OpenStudy (anonymous):
your pulse rate tells u how fast ur hear beats suppose ur pulse after running 160 beats per minute (bpm) after 4 min of rest ur pulse is 84 bpm at what rate did ur pulse decrease?
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OpenStudy (anonymous):
160 - 84
OpenStudy (matt101):
Your pulse decreased by 160-84=76 bpm. This occurred over 4 minutes, so your pulse decreased at 76/4 = 19 bpm/min
OpenStudy (anonymous):
Rate is defined as change over time. in 4 minutes the heart rate changed by 76. Therefore, the rate is \[R = {76 \over 4}\]
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