Mathematics, 24.01.2022 02:50 nicolecoulthard
If y varies inversely as the square of x if y equals to 8 when x equals to 4 find x when y is 25/36
Answers: 3
![\qquad \qquad \textit{inverse proportional variation} \\\\ \textit{\underline{y} varies inversely with \underline{x}} ~\hspace{6em} \stackrel{\textit{constant of variation}}{y=\cfrac{\stackrel{\downarrow }{k}}{x}~\hfill } \\\\ \textit{\underline{x} varies inversely with }\underline{z^5} ~\hspace{5.5em} \stackrel{\textit{constant of variation}}{x=\cfrac{\stackrel{\downarrow }{k}}{z^5}~\hfill } \\\\[-0.35em] \rule{34em}{0.25pt}](/tpl/images/2631/0174/22f0d.png)
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If y varies inversely as the square of x
if y equals to 8 when x equals to 4 find x when y is 25/3...
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