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Two airplanes leave an airport at the same time, one going northwest (bearing 135°) at 421 mph and the other going east at 384 mph. How far apart are the planes after 2 hours (to the nearest mile)?
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Two airplanes leave an airport at the same time, one going northwest (bearing 135°) at 421 mph and the other going east at 384 mph. How far apart are the planes after 2 hours (to the nearest mile)?

User Exl
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2 votes
I am not sure if I am correct.
I think that the angles did not help to solve the problem, ( it makes an obtuse angle)
and the unit rate is 421 mph and 384 mph.

2*421+384*2= 1610 miles
or
2 (421+384)= 1610 miles


Answer: 1610 miles
User Pega Wega
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7.2k points
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