document.write( "Question 1038550: A gentleman jumps out of an airplane without a parachute at 21,980 feet and lives to tell the tale. The function h(t)=-16tē+21,980 describes the relationship between height in feet and the time in seconds. How many seconds did he fall before reaching the ground? \n" ); document.write( "
Algebra.Com's Answer #653250 by ikleyn(52781)\"\" \"About 
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.A gentleman jumps out of an airplane without a parachute at 21,980 feet and lives to tell the tale.
\n" ); document.write( "The function h(t)=-16tē+21,980 describes the relationship between height in feet and the time in seconds.
\n" ); document.write( "How many seconds did he fall before reaching the ground?
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document.write( "The equation is \r\n" );
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document.write( "\"-16t%5E2%2B21980\" = \"0\".\r\n" );
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document.write( "The solution is \r\n" );
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document.write( "t = \"sqrt%2821980%2F16%29\".\r\n" );
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