Question 1013672

if {{{y}}} varies {{{inversely}}} as {{{x}}}, there is a constant {{{k}}} which makes this statement true:

{{{y=k/x}}}


 and if {{{y =4}}} when {{{x=10}}}, we have

{{{4=k/10}}}...solve for {{{k}}}

{{{4*10=k}}}

{{{k=40}}}

so, equation will be: {{{y=40/x}}}