Find the Values of the Variables for Which the Statement $$\left[ \begin{array} { c c } x + 3 & y + 4 \\7 & 2\end{array} \right] = \left[ \begin{array} { c c } 7 & - 4 \\7 & k\end{array} \right]$$

question 420

Multiple Choice

Find the values of the variables for which the statement is true, if possible.
- $$\left[ \begin{array} { c c } x + 3 & y + 4 \\7 & 2\end{array} \right] = \left[ \begin{array} { c c } 7 & - 4 \\7 & k\end{array} \right]$$

• A) \(x = 7 ; y = - 4 ; k = 2\)
• B) \(x = - 4 ; y = 8 ; k = - 2\)
• C) \(x = 4 ; y = - 8 ; k = 2\)
• D) \(x = 4 ; y = 2 ; k = 7\)

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Allowances

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Time Studies

Time Studies involve the analysis and measurement of the time required to perform tasks and processes, aimed at identifying efficiencies and inefficiencies for optimization.

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Refers to the various factors that define the working environment, including physical, social, and psychological aspects, which can influence employee well-being and productivity.

Therbligs

Basic physical elements of motion.