Linear Algebra and Its Applications (5th Edition)

Published by Pearson
ISBN 10: 0-32198-238-X
ISBN 13: 978-0-32198-238-4

Chapter 1 - Linear Equations in Linear Algebra - 1.3 Exercises - Page 33: 27

Answer

a. The output of mine #1 over 5 days b. $ \begin{bmatrix} 150\\2825 \end{bmatrix} = x_1v_1 + x_2v_2 $

Work Step by Step

a. Since $v_1$ represents the output of mine #1 over one day, multiplying it by 5 yields the output over 5 days. b. The left hand side shows the desired quantity of copper and silver to be produced, and the right hand side shows the amount that will be produced given a particular number of days of production at mines 1 and 2.
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