First we need to find the length. So we do 126/3 to get 42. The length is 42. Now to find perimeter we do 2(42)+2(3) or 42+42+3+3.
Both ways are right ways. The perimeter is 90 meters.
Hope that helps!!
Answer:
Average velocity is 32 miles/hr.
Step-by-step explanation:
Given that a particle moves on a line away from its initial position so that after t hours it is 
miles from its initial position.
We have to find the average velocity of the particle over the interval [1, 4].
As, average velocity is the change is position over the change in time.
∴ 
=
Hence, average velocity is 32 miles/hr.
Answer:
x = 75
Step-by-step explanation:
x/5 = 15
x = 75 Multiply 5 on both sides
<h2>
Greetings!</h2>
Answer:
It will take them 18 hours.
Step-by-step explanation:
To find the answer of this, you must first multiply the amount of people by the time:
6 * 15 = 90
Then to find the time it takes 5 workers, divide this by 5:
90 ÷ 5 = 18
So it will take them 18 hours!
<h2>Hope this helps!</h2>
Answer:
1.8 gallons would be used.
Step-by-step explanation:
TOTAL AREA TO BE PAINTED:
2 x 10 x 20 + 2 x10x 16 = 720 ft2
720 ft2 / 400 ft2 /gal = 1.8 gal
