Homework Help: Math

Posted by Johanna on Sunday, December 9, 2012 at 10:33pm.

If a person throws a water balloon, the height (in feet) if the water balloon is modeled by the equation: h=-16t^2-5t+100, where t is in seconds. When will the water balloon hit the ground?

Math - Casey, Sunday, December 9, 2012 at 10:54pm
set the equation to 0 and solve for t. you may have to use the quadratic formula...

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