3 years ago

Which expression is equivalent to

Mathematics

2 answers:

hram777 [196]3 years ago

8 0

Answer:

Step-by-step explanation:

subtract : 3x - x = 2x

Add : 10 + 12 = 22

Answer: 2x + 22

elena-14-01-66 [18.8K]3 years ago

4 0

Answer:

2x + 22

Step-by-step explanation:

3x - (1)x = 2x

10 + 12 = 22

therefore 2x + 22 is your answer

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Answer:

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Step-by-step explanation:

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243^-y=(1/243)^3y*9^-2y a.) y=-1 b.) y=0 c.) y=1 d.) no solution

allochka39001 [22]

$243^{-y}=(\frac{1}{243})^{3y}\times 9^{-2y}$ has y = 0 as a solution.

Selection B is appropriate.

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3 years ago

Read 2 more answers

Write an equation of a line that is parallel to the line whose equation is 3y=x+6 and that passes through the point (-3,4).

Monica [59]

The standard form of this equation is

$y=\frac{1}{3}x+2$

The slope of two parallel lines i the same, so the slope of the line we're looking for is also $\frac{1}{3}$

Since the line passes through $(-3,4)$ , the equation is:

$(y-4)=\frac{1}{3}(x+3)$

$\boxed{y=\frac{1}{3}x+5}$

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4 years ago