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Trigonometry (11th Edition)
11th Edition
ISBN: 9780134217437
Author: Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Publisher: PEARSON
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A ship headed due east is moving through the water at a constant speed of 18 miles per hour. However, the true course of the ship is 60°. If the currents are a constant 9 miles per hour, what is the ground speed of the ship? (Round your answer to the nearest whole number.)
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