Plug in f(t) = 0. We do this because f(t) represents the height and a height of 0 means you're at the ground.
f(t) =-5t^2 + 20t + 60
0 = -5t^2 + 20t + 60
-5t^2 + 20t + 60 = 0
Now solve for t using the quadratic formula
You need to find the range of 50 to 150 first

Half of 100 is 50
So add 50 to 50 and 50 subtract 50 from 150


Answer: 100 is the midpoint between 50 and 150
Answer:
converted to decimal is 0.245
Step-by-step explanation:
Answer 25% of 48 is 12 so you will spend 36
Step-by-step explanation:
Answer:
5 units
Step-by-step explanation:
bcuz it has a dilation of 3 and 3 times 5 equals 15 which is the length of AD