3,500 kilometers in one day
Answer:
Mary's brother practiced 4 times as long.
Step-by-step explanation:
Mary practiced violin for 2 hours.
Her brother practiced trombone t times as long or 8 hours.
t times of 2 hours = 2t hours
But, 2t = 8
Divide both sides by 2.
t = 4
Hence, Mary's brother practiced 4 times as long as Mary.
Answer$33.60
Step-by-step explanation:
First I added 23 and 6 to get $29
Then I figured out that 20 percent of 23 was 4.6 and added that to 29.
I came out with an answer of 33 dollar and sixty cents.
Answer:
Martha,because he/she runs 4.5 MPH which means he/she runs in 22.5 miles 5 hours
Howard is running 3.2 MPH
Howard will run 16 miles in 5 hours
Answer:
Step-by-step explanation:
The given equation is A=4 πr².
We need to solve the above equation for r².
We have,
A=4πr²
Dividing both sides by 4π, we get :
Hence, the value of r² is equal to 
.
