Answer:
50 miles per hour
Step-by-step explanation:
Here,
Time= 8 hours
Distance=400 miles
The speed is calculated by dividing the distance by time.
So,
Average Speed=Distance/Time
= 400/5
=50 miles per hour
Answer:
eqn : 9 x 9 x h = 1620
h = 1620 / 81 = 20
Step-by-step explanation:
To find the volume of the cone use the formula:
3.14r^2 h/3
Final Answer:
20.93 cubic units
Answer:
-3y^2 + y + 100
Step-by-step explanation:
Combine like terms.
-3y+4y = 1y or "y"
Add "y" back into the equation.
-3y^2 + y + 100
The equation cannot be simplified any further.
I hope this helped!