Applications of Matrices
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Matrix \(T\) shows the number of apples and pears that Tom purchased. Matrix \(C\) shows the cost of the apples and pears. \begin{array}{rrcrrc} & & \begin{matrix} \text{Apples} & \text{Pears} \end{matrix} & \qquad & & \text{Cost } (\$) \\ T = & \text{Tom} & \begin{bmatrix} \quad 4 \quad & \quad 3 \quad \end{bmatrix} & \qquad C = & \begin{matrix} \text{Apples} \\ \text{Pears} \end{matrix} & \begin{bmatrix} 0.40 \\ 0.50 \end{bmatrix} \end{array} Use a matrix product to calculate the total cost.
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