document.write( "Question 1173134: help me please\r
\n" ); document.write( "\n" ); document.write( "A ball is thrown from a height of 45 meters with an initial downward velocity of 5 m/s. The ball's height h (in meters) after t seconds is given by the following.\r
\n" ); document.write( "\n" ); document.write( "h=45-5t-5t^2\r
\n" ); document.write( "\n" ); document.write( "How long after the ball is thrown does it hit the ground?
\n" ); document.write( "Round your answer(s) to the nearest hundredth. \n" ); document.write( "

Algebra.Com's Answer #798307 by ewatrrr(24785) $\"\"$ $\"About$

You can put this solution on YOUR website!

 
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document.write( "Hi, 
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document.write( "h=45-5t-5t^2
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document.write( "How long after the ball is thrown does it hit the ground?
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document.write( "h = 0
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document.write( "5t^2 + 5t - 45 = 0
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document.write( "t^2 + t - 9 = 0
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document.write( "  Throwing out the negative solution for time
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document.write( " t = 2.5414s
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document.write( "Wish You the Best in your Studies. \n" );
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