document.write( "Question 514405: Please help me solve this\r
\n" ); document.write( "\n" ); document.write( "Allen uses a slingshot to shoot a marble from a window. The height of the marble h(t) in feet at time (t) seconds is given by h(t)=-16t^2-62t+188.
\n" ); document.write( "How many seconds elapse before the marble hits the ground? Thank you.
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Algebra.Com's Answer #343403 by stanbon(75887)\"\" \"About 
You can put this solution on YOUR website!
h(t)=-16t^2-62t+188.
\n" ); document.write( "How many seconds elapse before the marble hits the ground?
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\n" ); document.write( "Solve -16t^2-62t+188 = 0
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\n" ); document.write( "-8t^2-31t+94 = 0
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\n" ); document.write( "t = 2 seconds
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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