An rock is thrown downward from a platform that is 213 feet above ground at 30 feet per second. Use the projectile formula h = − 16 t 2 + v 0 t + h 0 to determine when the rock hit the ground. [Recall that v 0 is the initial velocity of the object and h 0 is the inital height of the object.]

10.416 meters per second

step-by-step explanation:

distance=1 00 meters

time= 9.6 seconds in decimal form or 9 3/5 as a mixed number

average speed= 100/9.6

=10.416 meters per second or 10 52/125 as a mixed number.

20days louise can read300 pg

step-by-step explanation:

1 day 15 pg 300: 15= 20

x day 300 pg

ιт ωαѕ 5¢м вє¢αυѕє 1/4 σf 20 ιѕ 5

αи∂ 5*4=20

нσρє ι ¢συℓ∂ нєℓρ уσυ