juhahah
juhahah
22-06-2017
Mathematics
contestada
The question is in the image that is attached :)
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jdoe0001
jdoe0001
22-06-2017
so hmm check the picture below
[tex]\bf \qquad \qquad \textit{direct proportional variation}\\\\ \textit{\underline{y} varies directly with \underline{x}}\qquad \qquad y=kx\impliedby \begin{array}{llll} k=constant\ of\\ variation \end{array}\\\\ -------------------------------\\\\ \textit{we know that } \begin{cases} x=3\\ y=1 \end{cases}\implies 1=k3\implies \cfrac{1}{3}=k \\\\\\ thus\qquad \qquad y=\cfrac{1}{3}x[/tex]
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