For the following exercise, solve the system using the inverse of a
36.
Want to see the full answer?
Check out a sample textbook solutionChapter 7 Solutions
College Algebra
Additional Math Textbook Solutions
Elementary Algebra: Concepts and Applications (10th Edition)
College Algebra with Modeling & Visualization (6th Edition)
Intermediate Algebra
Algebra and Trigonometry
Linear Algebra with Applications (9th Edition) (Featured Titles for Linear Algebra (Introductory))
Intermediate Algebra (7th Edition)
- For the following exercises, write the augmented matrix from the system of linear equations. 4x+2y3z=1412x+3y+z=1009x6y+2z=31arrow_forwardSolve for x and y in the matrix equation 2AB=I, given A=[1123] and B=[x2y5].arrow_forwardFor the following exercises, write the augmented matrix for the linear system. 8x37y=82x+12y=3arrow_forward
- For the following exercises, perform the given matrix operations. 21. Rewrite the system of linear equations as an augmented matrix. 14x2y+13z=1402x+3y6z=1x5y+12z=11arrow_forwardFor the following exercises, find the solutions by computing the inverse of the matrix 0.4x0.2y=0.60.1x+0.05y=0.3arrow_forwardFor the following exercises, set up the augmented matrix that describes the situation, and solve for the desired solution. 58. The three most popular ice cream flavors are chocolate, strawberry, and vanilla, comprising 83% of the flavors sold at an ice cream shop. If vanilla sells 1% more than twice strawberry, and chocolate sells 11% more than vanilla, how much of the total ice cream consumption are the vanilla, chocolate, and strawberry flavors?arrow_forward
- For the following exercise, use a calculator to solve the system equations with matrix inverses. 46. 0.5x3y+6z=0.80.7x2y=0.060.5x+4y+5z=0arrow_forwardFor the following exercises, use the inverse of a matrix to solve the systems of equations. 1100x3100y+120z=493100x7100y1100z=139100x9100y9100z=99arrow_forwardFor the following exercises, perform the given matrix operations. 22. Rewrite the augmented matrix as a system of linear equations. [103249612|1258]arrow_forward
- For the following exercises, set up the augmented matrix that describes the situation, and solve for the desired solution. 56. Bikes’R’Us manufactures bikes, which sell for $250. It costs the manufacturer $180 per bike, plus a startup fee of $3,500. After how many bikes sold will the manufacturer break even?arrow_forwardFor the following exercises, write a system of equations that represents the situation. Then, solve the system using the inverse of a matrix. 55. Students were asked to bring their favorite fruit to class. 95% of the fruits consisted of banana, apple, and oranges. If oranges were twice as popular as bananas, and apples were 5% less popular than bananas, what are the percentages of each individual fruit?arrow_forwardFor the following exercises, write a system of equations that represents the situation. Then, solve the system using the inverse of a matrix. 61. Jay has lemon, orange, and pomegranate trees in his backyard. An orange weighs 8 oz, a lemon 5 oz. and a pomegranate 11 oz. Jay picked 142 pieces of fruit weighing a total of 70 1b, 10 oz. He picked 15.5 times more oranges than pomegranates. How many of each fruit did Jay pick?arrow_forward
- Algebra for College StudentsAlgebraISBN:9781285195780Author:Jerome E. Kaufmann, Karen L. SchwittersPublisher:Cengage Learning
- College Algebra (MindTap Course List)AlgebraISBN:9781305652231Author:R. David Gustafson, Jeff HughesPublisher:Cengage LearningElementary Linear Algebra (MindTap Course List)AlgebraISBN:9781305658004Author:Ron LarsonPublisher:Cengage Learning