Answered: %3D 13 4 -6 -4 8 5 4 24 4 12 2. A = B =…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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Robyn owns and operates two souvenir shops. At his Sabina Park shop, sweatshirts cost $4500 and T-shirts cost $2000. At his National Arena shop, sweatshirts cost $5000 and T- shirts cost $1500. Today Robyn sold 200 sweatshirts and 250 T-shirts at each shop. Use matrix multiplication to find the total amount in daily sales at each souvenir stand.
I need a little help with solving the system3a - 2b + 7c =13a + 8b - 6c = -477a - 9b -9c = -3
please answer number 3. Matrices: please give detailed solutions and correc answers. I will report to bartleby thos tutors who will give incorrect answers.
Obtain and solve the system of equation using determine or elementary row operations. The sum of the digits of a 3-digit number is 11. If the digits are reversed the new number is 396 less than the original number. If the tens and units digits are reversed, the new number is 18 greater than the original. Find the original number.
There are 5,500 Scandinavians on a large cruise ship. They are all from either Norway, Sweden, or Finland. There are twice as many Finns as Norwegians and four times as many Swedes as Finns. Individually, how many Swedes, Finns, and Norwegians are on the ship? Write the three equations: Write the Augmented matrix: Solve using elementary row operations:
Write the following system of equations as a single matrix equation. 5z -9x = 0 5y = -4+ 6z 8x +7y-10 = 0 Answer 72021 Hawkes Learning
Please do Part B and C and please show step by step and explain
A small software corporation borrowed $292,500 to expand its software line. Some of the money was borrowed at 9%, some at 10%, and some at 12%. Use a system of equations to determine how much was borrowed at each rate if the annual interest was $29,900 and the amount borrowed at 10% was 22 times the amount borrowed at 9%. Solve the system using matrices. Step 1 Let the amount borrowed at 9% be x, the amount borrowed at 10% be y, and the amount borrowed at 12% be z. The total amount borrowed was $292,500. The total annual interest was $29,900. The amount borrowed at 10% was 2- times the amount borrowed at 9%. Write a set of equations using the information given. Convert the percentage to decimal fraction. x + y + z = 292,500 .09 x +.10 y + |.12 V z = 29,900 X x - y = 0 Write the associated augmented matrix for the given system of equations. Recall that since there are three equations in the system, the matrix will have three rows. Use the coefficients of x, y and z as entries of the…
What volume of each of a 5% acid solution and a 65% acid solution should be combined to form 46 ml of a 50% solution? Set up the appropriate equations and solve the system using the inverse of the coefficient matrix. Combine O ml of the 5% acid solution withO mL of the 65% acid solution to form 46 mL of a 50% solution. (Type integers or decimals. Round the final answers to two decimal places as needed. Round all intermediate values to two decimal places as needed.)

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%3D 13 4 -6 -4 8 5 4 24 4 12 2. A = B = 8 -5 4 4 4 2 3