ne-Google Docs u/0/c/Mzg40DU10DAxMjEz/m/MZYXOTUYMZM1NDQW/details aw: Chapter 6 Fla.. Reason A drama teacher assigns final grades in her class based on the weighted system shown below. The matrix G represents the grades for Kiyo and his two friends, Rachel and Leo. © MP.2 Kiyo Rachel Leo 83 Drama Syllabus Tests 45% tests [90 78 G = proj 96 94 89. 94 88 Projects 30% Participation 25% part [98 a. Write matrix W as a 1 x 3 matxix to represent the weighted grading system. b. Perform matrix multiplication to find the final grades for each of the three students.

ne-Google Docs u/0/c/Mzg40DU10DAxMjEz/m/MZYXOTUYMZM1NDQW/details aw: Chapter 6 Fla.. Reason A drama teacher assigns final grades in her class based on the weighted system shown below. The matrix G represents the grades for Kiyo and his two friends, Rachel and Leo. © MP.2 Kiyo Rachel Leo 83 Drama Syllabus Tests 45% tests [90 78 G = proj 96 94 89. 94 88 Projects 30% Participation 25% part [98 a. Write matrix W as a 1 x 3 matxix to represent the weighted grading system. b. Perform matrix multiplication to find the final grades for each of the three students.

Elementary Linear Algebra (MindTap Course List)

8th Edition

ISBN:9781305658004

Author:Ron Larson

Publisher:Ron Larson

Chapter3: Determinants

Section3.CM: Cumulative Review

Problem 28CM: A manufacture produce three models of a product and ships them to two warehouse. In the matrix...

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What is the row-echelon form of a matrix? What is a leading entry?
A manufacture produce three models of a product and ships them to two warehouse. In the matrix A=[200300600350250400] aij represent the number of units model i that the manufacturer ships to warehouse j. The matrix B=[12.509.0021.50] Represent the price of the three models in dollars per unit. Find the product BA and state what each entry of the matrix represents.
A factory manufactures three products (doohickies, gizmos, and widgets) and ships them to two warehouses for storage. The number of units of each product shipped to each warehouse is given by the matrix A=[20015010075100125] (where aij is the number of units of product i sent to warehouse j and the products are taken in alphabetical order). The cost of shipping one unit of each product by truck is $1.50 per doohickey, $1.00 per gizmo, and $2.00 per widget. The corresponding unit costs to ship by train are $1.75, $1.50, and $1.00. Organize these costs into a matrix B and then use matrix multiplication to show how the factory can compare the cost of shipping its products to each of the two warehouses by truck and by train.
Consider the matrix A=[2314]. Show that any of the three types of elementary row operations can be used to create a leading 1 at the top of the first column. Which do you prefer and why?
Referring to Exercise 19, suppose that the unit cost of distributing the products to stores is the same for each product but varies by warehouse because of the distances involved. It costs $0.75 to distribute one unit from warehouse 1 and $1.00 to distribute one unit from warehouse 2. Organize these costs into a matrix C and then use matrix multiplication to compute the total cost of distributing each product.