Answer:
The ball will hit the ground at t=2.5 seconds.
Step-by-step explanation:
Solve the quadratic equation to get the roots.
t=-0.25 and t=2.5
Answer:
Step-by-step explanation:
f(3)=-5(x+5)
=5(3) +5
=15+5
f(3) =20
Answer:
∠ OMN = 90°
Step-by-step explanation:
The angle between the tangent and the radius of a circle at the point of contact is right, thus
∠ OMN = 90° ( angle between tangent and radius )
Answer:
on the graph on 7 on the graph1 19 2 7