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21 Select the correct answer. Use the inverse matrix to solve this system of equations: 4x + 3y = 7.5 7x + 9z 4y 14 - 2 = 8.3 O A. * = -2.125,y = 3.23, and z = 4.555 В. * = 1.661,y 2.509, and z = 0.404 OC. 0.032,y 2.458, and z = 1.531 * = %3D OD. * = 0.260,y = 2.435, and z = 1.375 O E. r = 2.435,y = 1.375, and z = 0.260

21 Select the correct answer. Use the inverse matrix to solve this system of equations: 4x + 3y = 7.5 7x + 9z 4y 14 - 2 = 8.3 O A. * = -2.125,y = 3.23, and z = 4.555 В. * = 1.661,y 2.509, and z = 0.404 OC. 0.032,y 2.458, and z = 1.531 * = %3D OD. * = 0.260,y = 2.435, and z = 1.375 O E. r = 2.435,y = 1.375, and z = 0.260

College Algebra
College Algebra
10th Edition
ISBN:9781337282291
Author:Ron Larson
Publisher:Ron Larson
Chapter7: Matrices And Determinants
Section7.3: The Inverse Of A Square Matrix
Problem 5ECP
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21 Select the correct answer. Use the inverse matrix to solve this system of equations: 4x + 3y = 7.5 7x + 9z 4y 14 - z = 8.3 O A. * = -2.125,y 3.23, and z = 4.555 1.661,y = 2.509, andz = 0.404 Oc. * = 0.032,y = 2.458, and z = 1.531 D. 0.260,y = 2.435, and z = 1.375 O E. = 2.435,y = 1.375, and z = 0.260 B. O
Transcribed Image Text:21 Select the correct answer. Use the inverse matrix to solve this system of equations: 4x + 3y = 7.5 7x + 9z 4y 14 - z = 8.3 O A. * = -2.125,y 3.23, and z = 4.555 1.661,y = 2.509, andz = 0.404 Oc. * = 0.032,y = 2.458, and z = 1.531 D. 0.260,y = 2.435, and z = 1.375 O E. = 2.435,y = 1.375, and z = 0.260 B. O
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