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3 years ago

13

4(x - 1) = -4+ 4x need help solving this step by step asap !

1 answer:

mario62 [17]3 years ago

3 0

Answer:

All numbers are solutions.

Step-by-step explanation:

4(x−1)=−4+4x

(4)(x)+(4)(−1)=−4+4x

4x+−4=−4+4x

4x−4=4x−4

4x−4−4x=4x−4−4x

−4=−4

−4+4=−4+4

0=0

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Gemiola [76]

Answer:

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Step-by-step explanation:

Since both polygons are similar, their corresponding sides and perimeters are proportional. Knowing this we can setup a proportion to find the perimeter of polygon B.

$\frac{side-polygonA}{side-polygonB} =\frac{perimeter-polygonA}{perimeter-polygonB}$

Let $x$ be the perimeter of polygon B. We know from our problem that the side of polygon A is 24, the side of polygon B is 15, and the perimeter of polygon A is 128.

Let's replace those value sin our proportion and solve for $x$ :

$\frac{side-polygonA}{side-polygonB} =\frac{perimeter-polygonA}{perimeter-polygonB}$

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$x=\frac{128*15}{24}$

$x=\frac{1920}{24}$

$x=80$

We can conclude that the perimeter of polygon B is 80 units.

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Answer:

Step-by-step explanation:

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