Question # 2: Dentists use various amalgams for silver fillings. The matrix shows the percentagesexpressed as decimals) of powdered alloys used in preparing three different amalgams. Suppose a dentisthas 5483 grams of silver, 2009 grams of tin, and 129 grams of copper. How much of each amalgam canbe made?Convert it into a system of linear equations and solve using Cramer's rule.PERCENT ALLOY BY WEIGHTAmalgamА в сSilver [0.70 0.72 0.73Tin 0.26 0.25 0.27Copper [0.04 0.03 0.00

Given- Dentists use various amalgams for silver fillings. The matrix shows the percentages expressed…

Answered: Question # 2: Dentists use various…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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Use an inverse matrix to solve each system of linear equations. (a) x1 + 2x2 + X3 = X1 + 2x2 - X3 X1 – 2x2 + X3 = -2 4 %D (X1, X2, X3) = (b) x1 + 2x2 + X3 1 X1 + 2x2 – x3 X1 - 2x2 + X3 1 = -3 (X1, X2, X3) =
I need help with part a and part c. Thank you!
Two departments of a firm, A and B, need differing amounts of steel, wood, and plastic. The table on the right gives the amount of each product the departments need. These three products are supplied by two suppliers, Company C and Company D, with the unit prices given in the table on the right. a. Use matrix multiplication to determine how much these orders will cost each department at each of the two suppliers. Enter the amounts into the cost matrix shown on the right. Department A Department B Steel Wood Plastic Dept. A Dept. B Company C 600 310 310 Co. C Steel Wood Plastic 60 40 40 60 70 60 Company D 560 190 390 Co. D
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Provide an augmented matrix of a system of linear equations having exactly the following solution: x = 5-6t y=-21+10t z = −3+2t You can resize a matrix (when appropriate) by clicking and dragging the bottom-right corner of the matrix. 000 000 000

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