From an initial height hof 85 meters in a stadium, Gabby tosses a ball up at an initial velocity vof 15 meters per second. Use the equation -4.9t^{2}+vt+h=0 to find the time twhen the ball hits the ground. Round to the nearest hundredth.
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2.
Solve using the quadratic formula.
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3.
Solve using the quadratic formula.
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4.
Use the discriminate to determin ethe number of solutions.