Mathematics, 29.04.2021 23:30 hilllz4793

Can someone please help me? Hello I am trying to help my son with his math can someone please help?

Suppose that z varies jointly with the cube of x and the square of y.
Find the constant of proportionality k if z=1890 when y = 5 and x=3.
K=
Using the k from above, write the variation equation in terms of x and y.
Z=
Using the k from above find z given that y=14 and x=6.
Z=

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