document.write( "Question 1159603: The path of a paper airplane can be modeled approximately by the function ,
\n" ); document.write( " h= -0.5t^2 + 8.3t + 2.1 where h is the height above ground, in metres, and t is the time in seconds. Determine how long it takes for the paper airplane to hit the ground.
\n" ); document.write( "

Algebra.Com's Answer #782658 by Alan3354(69443)\"\" \"About 
You can put this solution on YOUR website!
duplicate \n" ); document.write( "
\n" );