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4 years ago

1. Which equation is equivalent to the equation 6x + 9 = 12?

Mathematics

2 answers:

maks197457 [2]4 years ago

7 0

Answer:

Step-by-step explanation:

I've already answered this question.

Dennis_Churaev [7]4 years ago

5 0

The answer is B. You first have to solve for x. First you subtract 9 from both sides and get

6x= 3. Then divide both sides by 6 and you’ll get x= 1/2. In each answer you substitute 1/2 for x. You’ll see that in B, 2x+3= 4, if you substitute in 1/2, you get 2(1/2)+3= 4, which equals 1+3=4, which is true.

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Distance Formula D=√(x2-x1)² + (y2 - y₁) ² a. 8.149 b. 8.84 c. 9.438 d.12.369

lakkis [162]

Answer:

Step-by-step explanation:

using the distance formula

d = $\sqrt{(x_{2}-x_{1})^2+(y_{2}-y_{1})^2 }$

with (x₁, y₁ ) = (- 2, 4 ) and (x₂, y₂ ) = (10, 1 )

d = $\sqrt{10-(-2))^2+(1-4)^2}$

= $\sqrt{(10+2)^2+(-3)^2}$

= $\sqrt{12^2+9}$

= $\sqrt{144+9}$

= $\sqrt{153}$

≈ 12.369

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Step-by-step explanation:

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3 years ago

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matrenka [14]

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