document.write( "Question 128390: \r
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Algebra.Com's Answer #93980 by checkley71(8403)\"\" \"About 
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4.9t^2-19.6t+18.375=0
\n" ); document.write( "using the quadratic equation:\"x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+\"we get:
\n" ); document.write( "t=2.5 & t=1.5
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