document.write( "Question 1173200: please help me \r
\n" ); document.write( "\n" ); document.write( "A ball is thrown from an initial height of 5 feet with an initial upward velocity of 21 ft/s. The ball's height h (in feet) after t seconds is given by the following.\r
\n" ); document.write( "\n" ); document.write( " $\"+h=5%2B21t-16t%5E2+\"$ \r
\n" ); document.write( "\n" ); document.write( "Find all values of t for which the ball's height is 11 feet.
\n" ); document.write( "Round your answer(s) to the nearest hundredth. \n" ); document.write( "

Algebra.Com's Answer #798375 by ewatrrr(24785) $\"\"$ $\"About$

You can put this solution on YOUR website!


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document.write( "Hi  \r
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document.write( "A ball is thrown from an initial height of 5 feet with an initial upward velocity of 21 ft/s. 
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document.write( "The ball's height h (in feet) after t seconds is given by the following.
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document.write( "Find all values of t for which the ball's height is 11 feet.
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document.write( "11 = 5+21t-16t^2
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document.write( "16t^2 -21t + 6 = 0                 
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document.write( "t = .89sec  and t = .42sec       
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document.write( "Wish You the Best in your Studies.\r
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