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y varies jointly with w and x, inversely with z, and suppose y=360 when w =8,x=15, and z =3. Write the equation that models this relationship

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taskmasters
Y varies jointly with w and x, inversely with z
this means that
y ∝ wx / z
in equation form
y = kwx / z
where k is the proportionality constant
360 = k ( 8 ) ( 15 ) / 3
k = (360) ( 3) / ( 8 ) ( 15 )
k = 9
so the eqution is
y = 9wx / z

bigbrain69

Answer:[tex]\frac{9wx}{z}[/tex]

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