2 years ago

Can someone help me with this

Mathematics

1 answer:

Snezhnost [94]2 years ago

6 0

All of them specifically?

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Which expressions are equivalent to Negative 9 (two-thirds x + 1)? Check all that apply.

Sav [38]

Answer:

$-9(\frac{2}{3}x) + 9(1)\\ \\-6x + 9$

Explanation:

Before we begin, remember the following rules:

1- Distribution property:

$a(b+c) = ab+ac$

2- Simplification of fractions:

$\frac{xy}{yz}=\frac{x}{z}$

3- Signs in multiplication:

+ve * +ve = +ve

-ve * -ve = +ve

+ve * -ve = -ve

Now, for the given problem, we have:

$9 (\frac{2}{3}x + 1)$

Starting with the distributive property:

$-9 (\frac{2}{3}x +1) = -9(\frac{2}{3}x) - (-9)(1) = -9(\frac{2}{3}x) + 9(1)$

..................>This corresponds to option 1

Now, we simplify the output from the above step:

$-9(\frac{2}{3}x) + 9 = \frac{-9*2}{3}x + 9 = -6x+9$

................> This corresponds to option 5

Hope this helps :)

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storchak [24]

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Step-by-step explanation:

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marshall27 [118]

It’s y=6x-4y=6x-4y because equals 6

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Kristina, Malachi, and Susan are standing in line at Target. Susan is (2y) feet from the front of the line. Malachi is (y+14) fe

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Answer:

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Step-by-step explanation:

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Andru [333]

Answer:

friend correct answer is 4/13

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