The speed of the ball is
ds/dt = 32t
At t =1/2 s
ds/dt = 16 ft/s
The distance from the ground
50 - 16(1/2)^2 = 46 ft
The triangles formed are similar
50/46 = (30 + x)/x
x = 345 ft
50 / (50 - s) = (30 + x)/x
Taking the derivative and substituing
ds/dt = 16
and
Solve for dx/dt

As we know, sum of interior angles of a triangle is 180°
that is ~
Hence, value of x is 9°
Answer:
x = 8
y = 16
Step-by-step explanation:
8 + 8 = 16
y = 16
What you have written down is correct, x=-3
D.
10>(12)-7(0)
10>12.... False