9:25 MB 9:26 MB MY NOTES ASK YOUR TEACHER Solve the system using matrices. (If there are infinitely many solutions, find the general solution in terms of x. y, and z. If there is no 14. [0.6/1 Points] DETAILS PREVIOUS ANSWERS HARMATHAP12 3.R.050. 1/100 Submissions Used solution, enter NO SOLUTION.) MY NOTES ASK YOUR TEACHER - y + 32 - 3 A small church choir is made up of men and women who wear choir robes in the sizes shown in matrix A. Men Women S M (x. y. 2) - [ 1 13 ] Small 4- 12 9 Medium = 15 30 35 Robes Need Help? Read it 8 2 ] Large 10 10 10 Hoods Matrix 8 contains the prices (in dollars) of new robes and hoods according to size Find the product BA. 535 9. [-/1 Points] DETAILS HARMATHAP12 3.R.035. 0/100 Submissions Used 210 240 MY NOTES ASK YOUR TEACHER Solve the system using matrices. (If there are infinitely many solutions, find the general solution in terms of x. y. and z. If there is no Label the rows and columns of BA to show what each entry represents. solution, enter NO SOLUTION.) column 1 Men column 2 Women 28 - 3y - z = 7 row 1 Small x now 2 Medium x (x, y.z) Need Help? Read It Need Help? Read It 15. [-/1 Points] DETAILS HARMATHAP12 3.R.054. 0/100 Submissions Used 10. [-/1 Points] DETAILS HARMATHAP12 3.R.038. 0/100 Submissions Used MY NOTES ASK YOUR TEACHER MY NOTES ASK YOUR TEACHER A woman has $49,000 to invest. She has decided to invest all of it by purchasing some shares of stock in each of three companies-a fast-food chain that sells for $20 per share and has an expected growth of 11.5 any that sells for Find the inverse of the matrix share and has an expected growth of 15% per year, and a pharmaceutical company that sells for $70 per share and has an expected growth of 10% per year. She plans to buy twice as many shares of stock in the fast food chain as in the pharmaceutical company. If her 71 -1 goal is 12% growth per year, how many shares of each stock should she buy? fast-food chain software company harmapeutical company Need Help? Read It Need Help? Read It 16. [0/1 Points] DETAILS PREVIOUS ANSWERS HARMATHAP12 3.R.058. 1/100 Submissions Used 1. [-/1 Points] DETAILS HARMATHAP12 3.R.043. o/100 Submissions Used MY NOTES ASK YOUR TEACHER MY NOTES ASK YOUR TEACHER Asimple economy has a shoe industry and a cattle industry. Each unit of shoe output requires inputs of 0.1 unit of shoes and 0.3 unit of cattle products. Each unit of cattle products output requires inputs of 0.1 unit of shoes and 0.05 unit of cattle products. olive the system of equations using inverse matrices. (If there are infinitely many solutions, find the general solution in terms of x. y. and z. If there is no solution, enter NO SOLUTION.) (a) Write the technology matrix for this simple economy. (Use the first row and first column for shoes and the second row and second column for cattle products.) x + 3/ + 2= x + 4y + 32 - 10.3 2x - y - 92 = -19 0.05 (x. y z) = 2 out of 4 of your cells are correct. Need Help? Read It (b) If surpluses of 670 units of shoes and 236 units of cattle products are desired, find the gross production of each industry. shoes 255.1 X cattle products 336.56 12. [-/1 Points] DETAILS HARMATHAP12 3.R.046. 0/100 Submissions Used Need Help? Read It MY NOTES ASK YOUR TEACHER Consider the following matrix. 6 3 14 Submit Assignment Save Assignment Progress [a) Find the determinant of the matrix. O III O <