5. D (5x + 3y + 2z = 15 2y + 4z = 24 y - 4z = -42 2a + 3b + 2c = 0 R 5a-3b + 4c = 1 (7a+ 9b-4c = 11 (3x + y + 3z = -2 6. F 6x +2y+9z = 5 -2x-y-z = 3 (-.5x-y-2z = -2 8. H 2x + 4y + 5z = 14 2x + 2y +z = 12
5. D (5x + 3y + 2z = 15 2y + 4z = 24 y - 4z = -42 2a + 3b + 2c = 0 R 5a-3b + 4c = 1 (7a+ 9b-4c = 11 (3x + y + 3z = -2 6. F 6x +2y+9z = 5 -2x-y-z = 3 (-.5x-y-2z = -2 8. H 2x + 4y + 5z = 14 2x + 2y +z = 12
Elementary Algebra
17th Edition
ISBN:9780998625713
Author:Lynn Marecek, MaryAnne Anthony-Smith
Publisher:Lynn Marecek, MaryAnne Anthony-Smith
Chapter5: Systems Of Linear Equations
Section5.4: Solve Applications With Systems Of Equations
Problem 5.81TI: Translate to a system of equations and then solve: Mario wants to put a rectangular fence around the...
Related questions
Question
Answer numbers 5 to 8
Expert Solution
Step 1
As per guidelines I am solving the first three subparts only.
5. 5x + 3y + 2z =15
2y + 4z = 24
y - 4z = -42
6. 3x + y + 3z =-2
6x + 2y + 9z = 5
-2x -y -z = 3
7. 2a + 3b + 2c = 0
5a -3b + 4c = 1
7a + 9b -4c =11
Step by step
Solved in 4 steps
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