Answer:
in terms of
.
Step-by-step explanation:
A 360 degree rotating sprinkler will water a full circular region of the lawn.
The area of this circular region is calculated using the formula:

where r=11 feet is the radius of the circular region covered.
We substitute the value of the radius into the formula to get:

in terms of
.
This is approximately
to the nearest tenth
Answer:
(x+1) (x+1)
Step-by-step explanation:
Answer:
3 miles
Step-by-step explanation:
to find the amount of miles it is to the library you have to find how many miles it is when the minutes are zero
so when x = 0 what is y
0 + 7y = 21
7y = 21
y is 3
so that means the library is 3 miles away from his house