SOLUTION: a.)Suppose z varies jointly as y and x. If z =105 when x=5 and y=7, what is z when x=12 and y=1? b.)Suppose y varies inversely with x and that y=15 when x=12. What is the value

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Question 1076393: a.)Suppose z varies jointly as y and x. If z =105 when x=5 and y=7, what is z when x=12 and y=1?
b.)Suppose y varies inversely with x and that y=15 when x=12. What is the value of y when x=3?

Answer by josgarithmetic(39618)   (Show Source): You can put this solution on YOUR website!
a.)Suppose z varies jointly as y and x. If z =105 when x=5 and y=7, what is z when x=12 and y=1?
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