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
What’s a brainliest sorry I can’t help
Use cross products
X 16
-- --
100 20
Answer: 6 and 2
Explanation:
Area, which is 12= 6*2
Perimeter, which is 16= 6+2+6+2
So let's find the unit rate of these.
18 mi/ 2 hrs = 9 mi/ 1hr
45 mi / 5 hrs = 9 mi/ 1 hr
So you are running 9 miles an hour.
If you have any questions please comment! :)