7. The value of x varies directly with y, and
when x =1/3, y = 12. Write an equation to
represent the direct variation. V- X

Question

yocelin15 yocelin15

12-09-2019
Mathematics

contestada

7. The value of x varies directly with y, and
when x =1/3, y = 12. Write an equation to
represent the direct variation. V- X

Respuesta :

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jdoe0001 jdoe0001 · Answer 1 · 2019-09-12T00:51:06+02:00

[tex]\bf \qquad \qquad \textit{direct proportional variation} \\\\ \textit{\underline{y} varies directly with \underline{x}}\qquad \qquad \stackrel{\textit{constant of variation}}{y=\stackrel{\downarrow }{k}x~\hfill } \\\\[-0.35em] \rule{34em}{0.25pt}\\\\ \textit{we also know that } \begin{cases} x= \frac{1}{3}\\ y= 12 \end{cases}\implies 12=k\left( \cfrac{1}{3} \right)\implies 12=\cfrac{k}{3} \\\\\\ 36=k~\hspace{10em}\boxed{y=36x}[/tex]

7. The value of x varies directly with y, and when x =1/3, y = 12. Write an equation to represent the direct variation. V- X

Respuesta :

Otras preguntas

7. The value of x varies directly with y, and
when x =1/3, y = 12. Write an equation to
represent the direct variation. V- X