document.write( "Question 120482: An astronaut standing on the surface of the moon throws a rock upward. The height of the rock is given by s=-2.7t^2+27t+6.3, where s is the height in metres and t is the time in seconds.What was the initial height of the rock? \n" ); document.write( "
Algebra.Com's Answer #88314 by stanbon(75887)\"\" \"About 
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Ans: s(0) = 6.3 meters
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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