Wednesday
April 23, 2014

Homework Help: math

Posted by Rachael on Thursday, December 30, 2010 at 6:11pm.

A helicopter is 400 miles directly north of Ghana and is flying at 20 miles per hour. A second helicopter is 300 miles east of Ghana and is flying west at 15 mph. What is the rate of change of the distance between the helicopters?

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