use the inverse matrix of coefficients to find the solution of this system of equations how the work above, and write your answer in the box below he work abor y = 3.48 Z=-2.28 X = 3.44 W = 7.76

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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I need help on c. The info is on number 6
(c) write the production matrix
X =
25.0100
25.1695
19.4655
6. Consider the following system of equations:
-
5x
2y + w = 8
2x - 3y - z + 3w = 7
y + 9z+ 4w = 19
x-y-z+w = 5
A =
20.0 21
21.0 I
(a) write the matrix of coefficients, A
S
-201
-3 -1 3
1
а ч
2
-1 -1
Transcribed Image Text:(c) write the production matrix X = 25.0100 25.1695 19.4655 6. Consider the following system of equations: - 5x 2y + w = 8 2x - 3y - z + 3w = 7 y + 9z+ 4w = 19 x-y-z+w = 5 A = 20.0 21 21.0 I (a) write the matrix of coefficients, A S -201 -3 -1 3 1 а ч 2 -1 -1
((c) use the inverse matrix of coefficients to find the solution of this system of equations
Show the work above, and write your answer in the box below
X = 3.44
y = 3.48
Z = 2.28
W = 7.76
x2
7. A baker can bake at most 90 loaves of bread in one batch. The batch will consist of rye (
bread and peasant bread. A loaf of rye bread contains 0.9 kg of rye flour and 0.1 kg of wheat
flour. A loaf of peasant bread contains 0.3 kg of rye flour and 0.7 kg of wheat flour. The baker
has 75 kg of rye flour and 45 kg of wheat flour available. One loaf of rye bread sells for $6, and
one loaf of peasant bread sells for $7. The baker wants to maximize the revenue.
(a) formulate this optimization problem, i.e, write the objective function and the constraints
maximize
Transcribed Image Text:((c) use the inverse matrix of coefficients to find the solution of this system of equations Show the work above, and write your answer in the box below X = 3.44 y = 3.48 Z = 2.28 W = 7.76 x2 7. A baker can bake at most 90 loaves of bread in one batch. The batch will consist of rye ( bread and peasant bread. A loaf of rye bread contains 0.9 kg of rye flour and 0.1 kg of wheat flour. A loaf of peasant bread contains 0.3 kg of rye flour and 0.7 kg of wheat flour. The baker has 75 kg of rye flour and 45 kg of wheat flour available. One loaf of rye bread sells for $6, and one loaf of peasant bread sells for $7. The baker wants to maximize the revenue. (a) formulate this optimization problem, i.e, write the objective function and the constraints maximize
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