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2 years ago

Complete the soloution of the equation. find the value of y when x equals 0. -3x - 2y = -4

Mathematics

1 answer:

frez [133]2 years ago

5 0

Answer:

-3×0 - 2 × y = -4

-2 × y = -4

y = -4/-2

y = 2

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A square has an area of 81x square cm. What is the perimeter of the square ?

Fudgin [204]

Answer:

The perimeter of the square is $36\sqrt{x}\ cm$

Step-by-step explanation:

step 1

Find the length side of the square

we know that

The area of a square is equal to

$A=b^{2}$

where

b is the length side of the square

we have

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substitute and solve for b

$81x=b^{2}$

square root both sides

$b=9\sqrt{x}\ cm$

step 2

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we know that

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we have

$b=9\sqrt{x}\ cm$

substitute

$P=(4)9\sqrt{x}$

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2 years ago

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Vinil7 [7]

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2 years ago

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