90? there’s a 45 degree angle at the bottom left and it looks like the same angle as x and y
H=0
Therefore:
144t-16t²=0
t (144-16t)=0
We have two equations:
1)
t=0 (when the ball is released)
2)
144-16t=0
-16t=-144
t=-144 / -16=9 (this is the time )
Answer: the ball hit the ground in 9 s.
<span>ratio of the surface area of the sphere to the surface area of the cube
=
</span>4nr^2 / <span>24r^2 = n/6
answer
</span><span>A.
n/6</span>
Answer:quit
Step-by-step explanation: