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March 28, 2015

Homework Help: Pre calculus, vectors

Posted by Halala on Tuesday, February 26, 2013 at 7:04am.

A straight river flows at a speed of 20km/h. A boater starts at the south shore and heads in ths direction of 70degrees from the shore. The boat has a speed of 20km/h in still water. Find the true speed and direction of the boat.

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