3 years ago

If the rectangle perimeter equals 42 meters what is the length?

1 answer:

3 0

21 is the length of the rectangle

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Fiesta28 [93]

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DanielleElmas [232]

29 = 5a + 4
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raketka [301]

Answer:

$g(-2)=20$

Step-by-step explanation:

Given $g(x)=2x^2-2x+8$ , substitute what is in the parentheses for $x$ to find an output.

For $g(-2)$ , the term $-2$ is in the parentheses. Thus, substitute $x=-2$ into $2x^2-2x+8$ to find $g(-2)$ :

$g(-2)=2(-2)^2-2(-2)+8,\\g(-2)=2\cdot 4+4+8,\\g(-2)=8+4+8,\\g(-2)=\boxed{20}$

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4 years ago