Arturo O. answered • 05/03/18
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z = kx
k = z/x = 40/8 = 5
z = 5x
For x = 4,
z = 5(4) = 20
Bob P.
asked • 05/03/18If z varies directly as x, and z=40 when x=8 find z when x=4
what is the answer i am re takkng a test and need to know
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Arturo O.
05/03/18