An airplane flies 750 miles due west in 1 1! 2hours and 750 miles due south in 2 hours. what is the average speed of the airplan
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1 answer:
Use the Pyth. Theorem to calculate the total distance flown by the plane in 3 1/2 hours:
d = sqrt(750^2 + 750^2) = 750sqrt(2) miles
Now divide this distance by the total time (3 1/2 hours):
750sqrt(2) miles
---------------------- = 303 miles per hour average
3.5 hours
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