document.write( "Question 764336: A missile fired straight up into the air has a height, in feet, given by h = -16 t^2 + 64 t, where t is the time, in seconds, the missile has been in the air. \r
\n" ); document.write( "\n" ); document.write( "By setting up and solving an equation, find the times when the missile reaches a height of 48 feet. \n" ); document.write( "

Algebra.Com's Answer #465365 by solver91311(24713) $\"\"$ $\"About$

You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "Substitute 48 for

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\n" ); document.write( "\n" ); document.write( "And then solve for

Discard any negative root.\r
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\n" ); document.write( "\n" ); document.write( "John
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\n" ); document.write( "Egw to Beta kai to Sigma
\n" ); document.write( "My calculator said it, I believe it, that settles it
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