UEF MY UTEP X Institution Page 8.2 Hmwk - Operations with Mat X Course Hero X n X C @ https://www.webassign.net/web/Student/Assignment-Responses/submit?dep=32106564&tags=autosave#Q7 M Read T Submit Answer 7. [0/1 Points] DETAILS PREVIOUS ANSWERS MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Solve for X in the equation, where A = -2 2 3 and B = 4 4 -1 - 3 4 2 5 5 4 2X = 2A - B X = 1 Need Help? Read It Watch It Viewing Saved Work Revert to Last Response Submit Answer 8. [1/1 Points] DETAILS PREVIOUS ANSWERS MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Type here to search m DEl 77 F 1:21 PM 10/25/2023a D ' MY UTEP X Institution Page 8.2 Hmwk 7 Operations with Ma X t Course Hero 9 G E] www_we bassig n_net Submit Answer 11. [/1 Points] DETAILS MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Evaluate the expression. Use the matrix capabilities of a graphing utility to verify your answer. Submit Answer j . 1:22 PM ,0 Type here tosearch ., F E 10/25/2023 G UEF MY UTEP X Institution Page 8.2 Hmwk - Operations with Mat X *Course Hero X C & https://www.webassign.net/web/Student/Assignment-Responses/submit?dep=32106564&tags=autosave#Q7 SE M 12. [-/0.999999999999999 Points] DETAILS MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Consider the following. (X 1 - * 2 . + 4X3 = 26 + 3x 2 = -10 -6X, + 5X3 = 49 (a) Write the system of linear equations as a matrix equation, AX = B. X 2 (b) Use Gauss-Jordan elimination on [A : B] to solve for the matrix X. X 1 X = X 2 Type here to search W ? Oh 77F 1:22 PM 10/25/2023UEF MY UTEP X Institution Page 8.2 Hmwk - Operations with Mat X *Course Hero X X G https://www.webassign.net/web/Student/Assignment-Responses/submit?dep=32106564&tags=autosave#Q7 M At a grocery store, the numbers of gallons of skim milk, 2% milk, and whole milk sold on Friday, Saturday, and Sunday are represented by A. Skim 2% Whole milk milk milk 38 67 55 Friday A = 59 83 78 Saturday 71 93 85 Sunday The selling prices per gallon and the profits per gallon for the three types of milk are represented by B. Selling Profit price $3.45 $1.20 Skim milk B = $3.65 $1.30 2% milk $3.85 $1.45 Whole milk (a) Compute AB. AB = Interpret AB. O The entries represent the cost (in dollars) of producing skim milk, 2% milk, and whole milk on Friday, Saturday, and Sunday. Type here to search DE1 77.F 1:22 PM 10/25/2023UEF MY UTEP X Institution Page 8.2 Hmwk - Operations with Mat X Course Hero X n X