Solve the System $\left\{ \begin{array} { r } x - y + 3 z = - 5 \\5 x + z = - 1 \\x + 5 y + z = 9\end{array} \right.$

question 105

Multiple Choice

Solve the system.
- $\left\{ \begin{array} { r } x - y + 3 z = - 5 \\5 x + z = - 1 \\x + 5 y + z = 9\end{array} \right.$

• A) \(( - 1,0,2 )\)
• B) \(( 0,2 , - 1 )\)
• C) \(( - 1,2,0 )\)
• D) \(\varnothing\)

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Definitions:

Just-In-Time System

The Just-In-Time System is an inventory management philosophy aimed at decreasing waste and increasing efficiency by receiving goods only as they are needed in the production process, thereby reducing inventory costs.

Inventories

Assets held for sale in the ordinary course of business, in the process of production for such sale, or in the form of materials or supplies to be consumed in the production process or in the rendering of services.

Production Lead Times

The total time it takes from the initiation to the completion of a production process, including both processing and waiting times.

Break-Even Time

The period it takes for a business or project to recoup its initial investment and start generating a profit.