Which ordered pair is a solution to this equation?

Mathematics

1 answer:

ladessa [460]3 years ago

8 0

The answer to your question is C. (11,1)
Hope this helps and if you need any more help just ask!! :)

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now, bear in mind that all these ones are lines, and to graph a line all you need is two points, so let's pick a couple of random values for say "x" and let's see what we get for "y" and that's our x,y point.

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check the red line in the picture below.

$5x+2y=8\implies \stackrel{\textit{using x = 0}~\hfill }{5(0)+2y=8}\implies 2y=8\implies y=\cfrac{8}{2}\implies y=4 \\\\\\ ~\hspace{10em}~\hspace{10em}(0~~,~~4) \\\\\\ 5x+2y=8\implies \stackrel{\textit{using x = 4}~\hfill }{5(4)+2y=8}\implies 20+2y=8\implies 2y=-12 \\\\\\ y=\cfrac{-12}{2}\implies y=-6~\hspace{10em}(4~~,~~-6)$

check the blue line in the picture below.

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Volume = π×32×6 = 169.64600329385 feet^3

Step-by-step explanation:

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