Answer:
Divide the area by pi. Then, square root the answer.
Step-by-step explanation:
Area of a cirlce= pi r^2
How to get answer: First you need to use PEMDAS or GEMDAS
= 4 - 4 + 3
= 0 + 3
= 3
Answer:
Step-by-step explanation:
The change in gas is the substraction of the used gas to the initial amount of gas in the bus:
where is the initial amount gas in gallons, and is the used gas, also in gallons.
The bus uses 5 gallons every hour for six hours, so the gas used is in those 6 hours is:
substituting this into the expression for the total change in gas
the total change after 6 hours is:
since we don't know the initial amount of Gas we just leave it indicated in the expression.
Answer:
-7n+4
Step-by-step explanation:
collect and add like terms.
-12n+5n=-7n
-7n+4 can not be simplified anymore and is therefore the answer.
Have a nice day!!!!!!!!!!! :-)
<u>KA</u>
Answer:
30weeks
Step-by-step explanation:
105kg-90kg=15kg
1kg=1000g
x=500g
500g×1kg=1000g×
x=0.5kg
if 1week=0.5kg how about 15kg =to how many weeks
15kg×1week÷0.5kg=30weeks
so, the and is he requires 30 weeks to have 90kg