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August 28, 2015

Homework Help: PRE-CALC HELP

Posted by JOHN on Friday, November 8, 2013 at 11:56pm.

1) Two boats leave the same port at the same time. One travels at a speed of 27 mi/h in the direction N 50 E and the other travels at a speed of 22 mi/h in a direction S 70 E (see the figure). How far apart are the two boats after one hour? (Round your answer to the nearest mile.)


2) A communications tower is located at the top of a steep hill, as shown. The angle of inclination of the hill is 58. A guy wire is to be attached to the top of the tower and to the ground, 150 m downhill from the base of the tower. The angle α in the figure is determined to be 7. Find the length of cable required for the guy wire. (Round your answer to the nearest meter.)

Thank you!

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