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1 year ago

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If y=mx, and y is 12 when x is 4, then what is the constant of proportionality in this equation?A. 1/3B. 3C. 8D. 16

1 answer:

Anna007 [38]1 year ago

5 0

$\begin{gathered} y=mx\text{ when x=4 and y=12} \\ 12=m(4) \\ 4m\text{ =12} \\ m=\frac{12}{4}=3 \end{gathered}$

The constant of proportionality,m, is 3 (option B)

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