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lilavasa [31]
2 years ago
8

Help please, you smart peoples ;-; Will give brainliest!

Mathematics
1 answer:
olasank [31]2 years ago
5 0

Answer:

o.25 or (2

Step-by-step explanation:

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Are the graphs of 2x-4y=-12 and y=2x+1 parallel, perpendicular, or neither?
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Answer:

I believe the answer is neither

Step-by-step explanation:

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After six weeks of the coupon offer, the owner of the restaurant needs to decide if the restaurant should continue to run
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Please help me simplify 9x-3(2+4x)=
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solution

1) <span>Expand
</span><span>9x−6−12x

2) </span><span>Gather like terms
</span><span>(9x−12x)−6

3) </span> <span>Simplify
</span><span><span>−3x−6</span></span>
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3 years ago
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HELP NEEDED ASAP <br> answer this question for me, image below
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Answer: Heyaa! ~

Your Answer Is... 13

Step-by-step explanation:

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Hopefully this helps you! ~

6 0
2 years ago
Find one value of x that is a solution to the equation:<br>(x^2– 8)^2 + x^2 – 8 = 20<br>x=​
Kipish [7]

Answer:

x = 2 sqrt(3) or x = -2 sqrt(3) or x = sqrt(3) or x = -sqrt(3)

Step-by-step explanation:

Solve for x:

-8 + x^2 + (x^2 - 8)^2 = 20

Expand out terms of the left hand side:

x^4 - 15 x^2 + 56 = 20

Subtract 20 from both sides:

x^4 - 15 x^2 + 36 = 0

Substitute y = x^2:

y^2 - 15 y + 36 = 0

The left hand side factors into a product with two terms:

(y - 12) (y - 3) = 0

Split into two equations:

y - 12 = 0 or y - 3 = 0

Add 12 to both sides:

y = 12 or y - 3 = 0

Substitute back for y = x^2:

x^2 = 12 or y - 3 = 0

Take the square root of both sides:

x = 2 sqrt(3) or x = -2 sqrt(3) or y - 3 = 0

Add 3 to both sides:

x = 2 sqrt(3) or x = -2 sqrt(3) or y = 3

Substitute back for y = x^2:

x = 2 sqrt(3) or x = -2 sqrt(3) or x^2 = 3

Take the square root of both sides:

Answer: x = 2 sqrt(3) or x = -2 sqrt(3) or x = sqrt(3) or x = -sqrt(3)

8 0
3 years ago
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