Both work but if it is a decrease using the first one it will be -xx%
Hope this helps :)
Answer:
5 seconds
Step-by-step explanation:
H= -16t2 + 400
Hit ground
H=0
0 = -16t2 + 400
0 = -16 ( t2 - 25)
-16
t2 -25 = 0
(t + 5)(t - 5) = 0
t + 5 = 0
- 5 -5
t = -5
t - 5 = 0
+ 5 +5
t = -5
t = 5
5 seconds to hit the ground
Answer:
10
Step-by-step explanation:
2/9x45=10
hope this helps
Answer:
The Answer is A. the first one
Step-by-step explanation:
Sorry cant tell you