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84. The distance d to the horizon (the farthest point on the ocean that is visible) for a person whose eyes are at a height h above sea level is approximately d 2Rh, where R is the radius of the earth, and all three distances are in miles. If the earths radius is 3963 miles, how high are your eyes if you can see 10 miles? (Round your answer to four decimal places)
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Polution 2 Rh ol - lo mily 1o: 2(39 63) h o3963) h (3963) 1926

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