Jane is 2 miles offshore in a boat and wishes to reach a coastal village 6 miles down a straight shoreline from the point nearest the boat. she can row 2 mph and can walk 5 mph. how many miles down the shoreline from the point nearest to her boat should she land her boat?

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24-11-2017
Mathematics

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Jane is 2 miles offshore in a boat and wishes to reach a coastal village 6 miles down a straight shoreline from the point nearest the boat. she can row 2 mph and can walk 5 mph. how many miles down the shoreline from the point nearest to her boat should she land her boat?

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shinmin shinmin · Answer 1 · 2017-12-04T12:51:29+01:00

shinmin shinmin

04-12-2017

Let x be the expanse from the point on the shoreline nearby Jane’s boat to the point where she parks her boat. Then she requires to row sqrt 4 + x ^2 mi at 2 mph and walk 6 – x miles at mph.

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