Aball is thrown into the air with an upward velocity of 80 feet per second. the function
h = -16t^2 + 80t models the height h, in feet, of the ball at time t, in seconds. when will the ball reach the ground?

after 3 seconds
after 5 seconds
after 6 seconds

5 seconds

B is correct

Step-by-step explanation:

where, t is time in seconds, h is height of ball in feet

When ball at ground h must be 0.

Set h=0 and solve for t

Hence, The ball reach at ground in 5 seconds

black/brown

step-by-step explanation:

well, you see here, jamal was born to 2 parents, his mother who he lives with and his father who left at a young age and who happens to be younger than him. he stole cookies because he has to steal food due to the fact that he spends his government poverty checks on pot and women.

answer. d.289 hope that