What number would you add to both sides of x2 + 7x = 4 to complete the square? A.2^2 B.7^2 C, 7^2/2 D.(7/2)^2
1 answer:
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Answer:
The answer is or
Step-by-step explanation:
we know that
To calculate how much fence is needed to enclose the circular pool, find the circumference of the circular pool
The circumference of a circle is equal to
where
D is the diameter of the circle
In this problem we have
Substitute