Expand the expression 10 (n-8)
1 answer:
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The correct answer is A). None
Step-by-step explanation:
The given quadratic polynomial has 3 roots and some of roots are x= and x=6+i
It is necessary to note that one of the roots is a complex number and root of complex number always in pair of the conjugate to each other.
Since x=6+i
Conjugate of (6+i) is (6-i)
<em>Therefore, (6-i) is 3rd required root of a polynomial </em>
<em>The correct answer is A). None</em>
Answer:
<h2>B. 49,062.5 ft²</h2>Step-by-step explanation:
The formula of an area of a circle:
r - radius
We have the diameter d = 250 ft. We know: d = 2r.
Therefore r = 250 : 2 = 125 ft.
Substitute: