document.write( "Question 145403: The distance in miles that can be seen on the surface of the ocean is given by d=1.4√h where h is the height above the surface of the water. How many feet high above the water (to the nearest tenth) would a pirate have to climb to see 16 miles? \n" ); document.write( "
Algebra.Com's Answer #106081 by Alan3354(69443)\"\" \"About 
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\"d=1.4sqrt%28h%29\"
\n" ); document.write( "\"16=1.4sqrt%28h%29\"
\n" ); document.write( "Square both sides
\n" ); document.write( "256 = 1.96h
\n" ); document.write( "h = 256/1.96
\n" ); document.write( "h = 130.61 feet
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