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Levart [38]
3 years ago
12

For the following system, if you isolated x in the second equation to use the subsition method, what expression would you subsit

ute into the first equation?
2x + y = 8
-x - 3y = -12

A. 3y + 12
B. -3y + 12
C. 3y - 12
D. -3y - 12​
Mathematics
1 answer:
kkurt [141]3 years ago
7 0
A.3y+12

i think so,or maybe D or B
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Please give an explanation and the answer to this question for 15 points thanks.
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Answer:

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Step-by-step explanation:

Since the angles are across a vertex from one another, they are congruent and equal. You can also see this by reflecting  or folding it in half through the vertex. They will be the same. This means we can write the following equation and solve using inverse operations:

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3 years ago
<img src="https://tex.z-dn.net/?f=8%5Csqrt%7B0.01%7D" id="TexFormula1" title="8\sqrt{0.01}" alt="8\sqrt{0.01}" align="absmiddle"
Harman [31]

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3 years ago
Ericka and her two sisters divided 915 stickers equally. About how many stickers did each girl receive?
Musya8 [376]
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Ivanshal [37]

Answer:

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Each term is divisible by s, so that means we can divide them by s, which we get 1+.08, therefore getting s(1+.08) (or s(1.08)).

7 0
3 years ago
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