Mathematics, 29.04.2021 04:00, teethebeast

Alain throws a stone off a bridge into a river below. The stone's height (in meters above the water), xxx seconds after Alain threw it, is modeled by: h(x)=-5x^2+10x+15h(x)=−5x 2 +10x+15h, left parenthesis, x, right parenthesis, equals, minus, 5, x, squared, plus, 10, x, plus, 15 How many seconds after being thrown will the stone hit the water?

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Alain throws a stone off a bridge into a river below. The stone's height (in meters above the water)...