document.write( "Question 1144918: A ball is thrown from an initial height of 3 meters with an initial upward velocity of 30 m/s. The balls height (in meters) after “t” seconds is given by the following.
\n" ); document.write( "H=3+30t-5t squared
\n" ); document.write( "Find all values of t for which the balls height is 13 meters.
\n" ); document.write( "Round your Answer to the nearest hundredth. \n" ); document.write( "

Algebra.Com's Answer #766099 by josmiceli(19441) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"+H+=+3+%2B+30t+-+5t%5E2+\"$
\n" ); document.write( " $\"+H+=+13+\"$ m
\n" ); document.write( " $\"+-5t%5E2+%2B+30t+%2B+3+=+13+\"$
\n" ); document.write( " $\"+-5t%5E2+%2B+30t+-+10+=+0+\"$
\n" ); document.write( " $\"+H+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+\"$
\n" ); document.write( " $\"+a+=+-5+\"$
\n" ); document.write( " $\"+b+=+30+\"$
\n" ); document.write( " $\"+c+=+-10+\"$
\n" ); document.write( " $\"+H+=+%28+-30+%2B-+sqrt%28+30%5E2+-+4%2A%28-5%29%2A%28-10%29+%29%29%2F%282%2A%28-5%29%29+\"$
\n" ); document.write( " $\"+H+=+%28+-30+%2B-+sqrt%28+900+-+200+%29%29%2F%28+-10+%29+\"$
\n" ); document.write( " $\"+H+=+%28+-30+%2B-+sqrt%28+700+%29%29%2F%28+-10+%29+\"$
\n" ); document.write( "You can finish. should get 2 values for $\"+H+\"$ \r
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