Answer:
I need more information to awnser this quetion but would have been happy to help:)
When the firecracker hits the ground, H(t) = 0.0 = -16t^2 + 90t + 160 Using the quadratic formula,t = (-90 +- sqrt(90^2 - 4(-16)(160))) / 2(-16)t = -1.42 ort = 7.04
The negative time is extraneous. Therefore,t = 7.04 s.
Seven Seconds is your answer!
Answer:
3.5
Step-by-step explanation:
the first answer common ratio is t2/t1=32/16
=2
I'm not sure of the rest
Answer:
one How old is Myrtle to being with?
