Answer:
94.985
Step-by-step explanation:
the equation for the area of a circle is pi*r^2
and i solved it with pi as 3.14, so pi would be 3.14
and radius would be half of the diameter,
(so 11/2 would be 5.5, so radius is 5.5)
and its radius squared(5.5 squared is 30.25)
30.25*3.14 = 94.985
if they use a different value for pi, the answer be
different so youd have to account for that ig
(12 gal)/5 = 2.4 gal
Each camper used 2.4 gallons of water.
Answer:
81 people
Step-by-step explanation:
addition pretty much
Answer: 10x - 5y = 40
Reason:
Why 5x - 10y = -12 is wrong (working):
5x - 10y = -12
-10y = -5x - 12
y = 0.5x + 1.2
(positive slope but not the correct y-intercept)
Why 10x - 5y = 40 is correct (working):
10x - 5y = 40
-5y = 40 - 10x
y = 2x - 8
(positive slope and correct y-intercept)
Why 5x + y = 50 is wrong (working):
5x + y = 50
y = -5x + 50
(negative slope and not the correct y-intercept)
Why x - 2y = 10 is wrong (working):
x - 2y = 10
-2y = -x + 10
y = 0.5x - 5
(positive slope but not the correct y-intercept)
Therefore, 10x - 5y = 40 is the answer