H=-16t^2+56t+1, the airplane is shot up from a platform 1 foot above the ground, so 1= - 16t^2+56t+1, we solve this equation
(- 16t+56)t=0, (- 16t+56)=0 or t=o, - 16t+56=0, implies t =3.5s
so the answer is C)3.5 seconds
Answer:
82%
Step-by-step explanation:
41+9 is 50(total marbles)
41/50 (blue/total) is 82%! :)
Answer:
MAMMAAAAAAA OOOooOOOoooOOO
Step-by-step explanation:
M A M M A A A A A A A O O O o o O O O o o o O O O
Step-by-step explanation:
(1\2)^4 x 1\16 x 1\8 x 1\4 [1/2^4=16]
1/16 x 1/512
=>1/2048