Question

A ball is thrown from a height of
160 feet with an initial downward velocity of
12/fts. The ball's height h(in feet) after t
seconds is given by the following.
=h=160−12t-16t^2
How long after the ball is thrown does it hit the ground?
Round your answer(s) to the nearest hundredth.
(If there is more than one answer, use the "or" button.)

Answer 1

2.8094348

Answer 2

2.81

Answer 3

I also get that as well

Answer 4

Did it accept it this time?

Answer 5

@jaeuni ty it was right

Answer 6

Yes!

Answer 7

yes just the positive

Answer 8

Weird how it didn't accept the other answer

Answer 9

woohoo thanks guys i am finished