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23-04-2017
Mathematics

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An airplane's altitude changed -378 feet over 7 minutes. what was the mean change of altitude in feet over feet per minute

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23-04-2017

The mean change of altitude means the average rate of change. Average rate of change is total change in altitude divided by the total change in time...

r=da/dt

r=-378ft/7min

r=-54ft/min

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