Answer:
1.24 kilograms per cubic meter.
Step-by-step explanation:
Answer:
8
Step-by-step explanation:
<span>h = -8t² + 40t
dh/dt = 0
⇒ d/dt(</span><span>-8t² + 40t) = 0
⇒ -16t + 40 = 0
⇒ 16t = 40
⇒ t = 40/16 = 2.5s
So it takes 2.5 seconds to reach highest point
h = -8×2.5² + 40×2.5 = -50 + 100 = 50
Ordered pair: (h,t) = (50,2.5)
</span>
Answer:
A. Correct
B. Correct
C. Incorrect
D. Incorrect
E. Incorrect
Step-by-step explanation:
A and B. are correct because when divided down to decimals they equal 0.5