Answer:
Need to see the picture
Step-by-step explanation:
The answer is -69.67
22.5 + x = -47.47
-22.5 -22.5
x = -69.87
The answer is C. The symbol means less than.
Answer:
3 3/8 seconds.
Step-by-step explanation:
When it reaches the ground h = 0 so:
54t - 16t^2 = 0
16t^2 - 54t = 0
2t(8t - 27) = 0
t = 0 or t = 27/8 (we ignore the t = 0 ) so:
t = 3 3/8 seconds.
