4 years ago

(9q r+6qr +20g)+(-6qr -qr -11q-4q r)=

Mathematics

1 answer:

Arte-miy333 [17]4 years ago

6 0

4qr+20g-11q hopefully this would help you

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The graph of a proportional relationship contains the point (8, 4).

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$\bf \qquad \qquad \textit{direct proportional variation}\\\\
\textit{\underline{y} varies directly with \underline{x}}\qquad \qquad y=kx\impliedby 
\begin{array}{llll}
k=constant\ of\\
\qquad variation
\end{array}\\\\
-------------------------------\\\\
(\stackrel{x}{8}~~,~~\stackrel{y}{4})\implies 
\begin{cases}
x=8\\
y=4
\end{cases}\implies 4=k8\implies \cfrac{4}{8}=k\implies \cfrac{1}{2}=k
\\\\\\
\boxed{y=\cfrac{1}{2}x}$