DradenP221301 DradenP221301

25-10-2022
Mathematics

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suppose that z varies jointly with x and y. When x=2, y=2, z=7 write the equation that models the relationship

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AbdirashidY6940 AbdirashidY6940

25-10-2022

[tex]\begin{gathered} z=\text{ x + y + b} \\ 7\text{ = 2+2+b} \\ 7\text{ = 4+b} \\ 7-4=b \\ b=\text{ 3} \\ z=\text{ x + y +3} \end{gathered}[/tex]

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