Answer:
7x21
Step-by-step explanation:
First, we need to find the length of the pool. Since it is three times as long as it is wide, it is 21 feet long (7 x 3 = 21). That way we can tell that it is 7x21, with a perimeter of 56 feet, and an area of 147 feet squared.
Answer: A. $754.10
Step-by-step explanation:
$320.00 + $486.88 = $806.88
$1,560.98 - $806.88 = $754.10
Answer:
300
Step-by-step explanation:
Is means equals and of means multiply
18 = 6% * N
Change to decimal form
18= .06N
Divide by .06 on both sides
18/.06 = .06N/.06
300 = N
The number is 300
Answer:
f(-2) = 3
Step-by-step explanation:
Given that,
f(x) = x + x + 7
We need to find the value of f(-2).
Put x = -2 in the given function.
f(-2) = (-2) + (-2) + 7
= -2-2+7
= -4+7
= 3
Hence, the value of f(-2) is equal to 3.