Looked it up & the answer is -1.9
Answer:
Height of the ball after 3 seconds = 27.4 feet.
Step-by-step explanation:
h(t) = -4.9t^2 + 22t + 5.5
h(3) means the height of the ball at time 3 seconds after the ball was thrown.
h(3) = -4.9(3)^2 + 22(3) + 5.5
= 27.4 feet
Answer:
25
Step-by-step explanation:
i am very sure
Answer:
Perimeter=30 in
Step-by-step explanation:
H²=P²+B²
13²=a²+12²
a=√25
a=5
perimeter= 13+12+5
=30