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masonorourke
06.02.2021 •
Mathematics
If a heart beats 30 times in 40 seconds. How many times will it beat in 1 year?
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Ответ:
23,652,000 per year
Step-by-step explanation:
30 times in 40 seconds=15 times in 20 seconds
that's 45 times in one minute
45per min x (60m/hr) x (24hr/day)=64,800 per day
x (365 days per year)=23,652,000 per year
Ответ:
Step-by-step explanation: