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Triss [41]
3 years ago
14

Which angle is supplementary to the Please helppp

Mathematics
1 answer:
n200080 [17]3 years ago
7 0

Answer:

\angle FCB

Step-by-step explanation:

Supplementary angles are angles that sum to 180^{\circ}. In this case, \angle FCB is supplementary to \angle DCF since they add up to the angle of a straight line which is 180^{\circ}.

Hope this helps :)

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Which of the following is a root of the polynomial shown below?
Mademuasel [1]

Answer:

We conclude that option A is true as x = 1 is the root of the polynomial.

Step-by-step explanation:

Given the polynomial

f\left(x\right)\:=\:x^2\:+\:2x^2\:-\:x-2

Let us determine the root of the polynomial shown below.

\:0=\:x^2\:+\:2x^2\:-\:x-2

0=3x^2-x-2

switch sides

3x^2-x-2=0

as

3x^2-x-2=\left(3x+2\right)\left(x-1\right)

so the equation becomes

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Using the zero factor principle

3x+2=0\quad \mathrm{or}\quad \:x-1=0

solving

3x+2=0

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and

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x=1

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