document.write( "Question 499114: Ignoring wind resistance, the distance \"d\" in feet that a parachute falls in \"t\" seconds can be estimated using this formula d= 16t^2. If a parachutist jumps from an airplane and falls for 1100 feet before opening the parachute, how many seconds pass before the parachute is opened? \n" ); document.write( "
Algebra.Com's Answer #337453 by ankor@dixie-net.com(22740)\"\" \"About 
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16t^2 = 1100
\n" ); document.write( "divide both sides by 16
\n" ); document.write( "t^2 = 68.75
\n" ); document.write( "t = \"sqrt%2868.75%29\"
\n" ); document.write( "t = 8.28 seconds
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