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expeople1 [14]
3 years ago
14

Choose the correct pair !

Mathematics
2 answers:
expeople1 [14]3 years ago
6 0
\begin{cases}3x+6y=36\\3x-6y=0\end{cases}\\\\--------(-)\\\\3x-3x+6y-(-6y)=36-0\\\\6y+6y=36\\\\12y=36\quad|:12\\\\\boxed{y=3}\\\\\\3x-6y=0\\\\3x-6\cdot3=0\\\\3x-18=0\quad|+18\\\\3x-18+18=0+18\\\\3x=18\quad|:3\\\\\boxed{x=6}

Answer A.
Gnom [1K]3 years ago
5 0
The answer is D I really hope this helps
:)

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Answer:

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7 0
2 years ago
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dusya [7]

Answer:

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4 0
2 years ago
What is the unknown fraction?
daser333 [38]

Answer:

A. 31/100

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4 0
2 years ago
Find the reference angle for 517°<br> a.23°<br> c.113°<br> b.157°<br> d.67°
MAXImum [283]
Should be 67 or 113 if not then it’s probably 157
6 0
3 years ago
Read 2 more answers
Eddie deposited $1200 into an account that earns 3% interest compounded 2 times per year. How much money will Eddie have in his
nirvana33 [79]
Total = Principal * (1+(rate/n))^n*years
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Source:
http://www.1728.org/compint3.htm




8 0
3 years ago
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