Find the quadratic equations whose roots are 3 and -4
2 answers:
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Answer:
17662.5 sq. feet
Step-by-step explanation:
We know that the formula for Area of a Circle is .
r = radius; d = diameter, which is r*2
And so, in the question, it gives you that the diameter is 150, first we divide it by 2 to get the radius.
150/2 = 75
The question said to keep =3.14, so then we plug in the equation-
Then we use PEMDAS [Parenthesis; Exponents; Multiply & Divide; Add & Subtract] which would get us-
(first doing the Exponent)
And we continue-
(then multiple)
So our answer is-
17662.5 sq. feet
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