Rotation 45 and rotation 90
The answer is 13.5, hope this helps!
Answer:
t = 1.143 s
Step-by-step explanation:
The equation he uses to model the height of the rocket in cm, as function of time is
h(t) = -490 t^2 + 1120t
We can plot this equation using a graphing tool
Please, see attached picture
The rocket reaches his maximum height (640 cm) at
t = 1.143 s
Answer:
The answer is C)
Step-by-step explanation:
In order to fully solve a system of equations, you need both variables, x And y. Therefore he has to go back and solve for x