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S_A_V [24]
3 years ago
11

Which equation is equivalent to 2x + 6y = 12?

Mathematics
2 answers:
vlada-n [284]3 years ago
7 0
2x + 6y = 12
6y = -2x + 12
y = -2x/6 + 12/6
y = -1/3 x + 2
UNO [17]3 years ago
7 0
The correct answer among all the other choices is c. y= -1/3x+2. This equation is equivalent to 2x + 6y = 12. Just move all the equation that don't contain y to the right side then solve. Thank you for posting your question. I hope this answer helped you. Let me know if you need more help. 
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Where a and r are constants, and x is the number of time intervals.

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And 1976 is n=16

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\begin{gathered} \frac{1.6}{(1+r)^8}=a \\ \Rightarrow2.3=\frac{1.6}{(1+r)^8}(1+r)^{16} \\ \Rightarrow2.3=1.6(1+r)^8 \\ \Rightarrow\frac{2.3}{1.6}=(1+r)^8 \\ \Rightarrow(\frac{2.3}{1.6})^{\frac{1}{8}}=(1+r)^{}^{} \\ \Rightarrow r=(\frac{2.3}{1.6})^{\frac{1}{8}}-1 \\ \Rightarrow r=0.0464078 \end{gathered}

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\begin{gathered} r=0.0464078 \\ \Rightarrow a=\frac{1.6}{(1+0.0464078)^8}=1.113043\ldots \end{gathered}

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