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The value of y varies jointly with x and z. If y=-4 and z=20 and x=10, find the value of y when x=-2 and z=78
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The value of y varies jointly with x and z. If y=-4 and z=20 and x=10, find the value of y when x=-2 and z=78

The value of y varies jointly with x and z. If y=-4 and z=20 and x=10, find the value-example-1
User Stefano Mtangoo
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the new value of y is


y=(2)/(10)\cdot(68)/(20)\cdot4=2.72

User Jarlik Stepsto
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