Answer:
Time in seconds when the ball is 4 feet above the ground is:
t= 0.6 and 2.9.
The answer is C, hope this helps
Answer:
10
Step-by-step explanation:
4 x 5 = 20
= 10
Answer:
Below
Step-by-step explanation:
sin(2x) = 2 ×cos(x)× sin(x)
● sin(x) = 2 × cos(x) × sin(x)
● 2 × cos(x) = 1
● cos (x) = 1/2
So we can deduce that:
● x = Pi/3 + 2*k*Pi
● or x = -Pi/3 + 2*k*Pi
K is an integer