4 years ago

Helppooooopeppdpdpepdpdpp

Mathematics

2 answers:

mariarad [96]4 years ago

7 0

I would say G
If you look on the graph the sales tax is following the advertising

alexandr402 [8]4 years ago

7 0

Answer:

Step-by-step explanation:

Since there is a positive correlation of points, you can say that sales tend to increase though they don't always increase.

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Solve by elimination <br> x+2y=-7<br> x-5y=7

yawa3891 [41]

$\left \{ {{x+2y=-7} \atop {x-5y=7\ \ | multiply\ by\ -1}} \right. \\\\ \left \{ {{x+2y=-7} \atop {-x+5y=-7}} \right. \\+-----\\ addition\ method\\\\ 7y=-14 \ \ \ | divide\ by\ 7\\\\ y=-2\\\\ substitute\ y=-2\ to\ first\ equation\\\\x=-7-2y=-7+4=-3\\\\
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