kishahall630
09.12.2020 •
Mathematics
Angela purchased 12 pairs of socks for $54.
What is the unit rate?
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Ответ:
$4.5 per pair of socks
Step-by-step explanation:
Ответ:
turn x-2y=-8 into x=2y-8 and then substitute into the other equation. this becomes 3(2y-8)-6y=-12. simplify to 6y-24-6y=-12. the 6y-6y cancels each other out, leaving -24=-12. -24 does not equal -12, so therefore there is no solution. since there is no solution, we can then assume that the lines do not intersect and that they are parallel.