Answer:
(a) 24 ft
(b) 2.5 s
Step-by-step explanation:
At t=2
h=-2(2)^{2}+10(2)+12=12+20-8=24 ft
Therefore, height after 2 s=24 ft
(b)
As it hits the ground, t is maximum and at maximum t, we differentiate the function to have
h=-4t+10 and h=0 hence
4t=10 hence t=10/4=2.5 seconds
Answer:
-3.5??
Step-by-step explanation:
Work backwards :)
Answer:
See below
Step-by-step explanation:
Mean: 
Median: 14, 18, 20, 22, 30, 38 -> (20+22)/2 = 21
Mode: No mode as all elements are of equal frequency
It is surprisingly a rectangle. Imagine the shape as a piece of clay, and then cut through it. This is the best way to visualize this
Answer: Tan = 18/24
Explanation: Tan = Opposite/Adjacent