A. Supply the missing value if \( y \) varies jointly as \( x \) and \( z \) \begin{tabular}{|c|c|c|c|c|} \hline\( y \) & \( x \) & \( z \) & \( k \) & Equation \\ \hline 60 & 10 & & & \( Y=3 \times z \) \\ \hline 48 & & 12 & & \( Y=\frac{3}{4} x y \) \\ \hline \end{tabular}
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Since \( y \) varies jointly as \( x \) and \( z \), we can express this as: \[ y = kxz \] where \( k \) is the constant of variation. Show more…
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