Question: Check the solution in Exercise 109, showing that it satisfies all three equations of the system. Exercise 109 Solve the system of equations (4), (5),

Check the solution in Exercise 109, showing that it satisfies all three equations of the system.


Exercise 109

Solve the system of equations (4), (5), and (6)

25x + 40y + 20z = 2200 (4)

4x + 2y + 3z = 280 (5)

3x + 2y + z = 180 (6)

Step by Step Solution

★★★★★

3.46 Rating (153 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock

Check 25x40y20z 2200 4 25 4040 15 20 30 2200 1... View full answer

blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related College Algebra Questions!

Q:

1. If a system of three linear equations is inconsistent, then there are no points common to the graphs of all three equations of the system. 2. Are the following two systems of equations equivalent?...

Q:

The substitution or addition methods can also be used to solve a system of three linear equations in three variables. Consider the following system. x + y + z = 7 x - y + 2z = 9 -x + 2y + z = 4 The...

Q:

Verify that the function u(r, ) = ln r is harmonic in the domain r > 0, 0

Q:

MATHEMATICS FOR MACHINE LEARNING Marc Peter Deisenroth A. Aldo Faisal Cheng Soon Ong Contents Foreword 1 Part I Mathematical Foundations 9 1 Introduction and Motivation 11 1.1 Finding Words for...

Q:

Step by step and correct format and answers asap (-2)(2x - 3y) = (-2)(-7) em to sausood oldneon ay # 2 T novolog 61 3 3 Buloa numbsup "enormups issalmon to moreve eds not gnivlog m abordom and sit...

Q:

Section 9.1 Reading Assignment: Solutions, Slope Fields, and Euler's Method Answer Only Exercise 1, 2, and 3 by using a screenshot provided Calculus Pearson textbook. Make sure you read these three...

Q:

Section 9.1 Reading Assignment: Solutions, Slope Fields, and Euler's Method Answer Only Exercise 1, 2, and 3 by using a screenshot provided Calculus Pearson textbook. Make sure you read these three...

Q:

The Basics of Financial Mathematics Spring 2003 Richard F. Bass Department of Mathematics University of Connecticut c These notes are 2003 by Richard Bass. They may be used for personal use or class...

Q:

Chapter 10 Business Process and Information Systems Development \"Jeff, we clean the clubhouse restrooms twice a day . . . in the morning before 7 and again just before lunch. We've been doing that...

Q:

UNIT 5 QZ, Q-20 UNIT 5 / UNIT 8 QUESTIONS KEEP ANSWERS SEPARATE BY UNITS UNIT II STUDY GUIDE Consumer Mathematics Reading Assignment See information below. Key Terms 1. Add-on interest method 2....

Q:

Property taxes of $3,100,000 are levied for Lewis County. The bills are mailed in October of 2019, and the levy is legally enforceable on December 31, 2019. If citizens pay before December 31, they...

Q:

a. Explain the difference between income splitting and income shifting. b. Why are taxpayers interested in shifting income from one tax return to another within the same family or economic unit? c....

Q:

Work with another learner on this question. Each pair will need a dice. Design and carry out an experiment to answer this question: Is your dice unbiased? Before you start, you need to decide: how...

Q:

Understand the relation between systematic risk and the market portfolio

Q:

The augmented matrix is in reduced row-echelon form and represents a system of linear equations. If possible, solve the system. 1 0 0 010 -1 0 00 ilm

Q:

The matrix product AX performs a translation on the point (x, y), where (a) Predict the new location of the point (x, y) when it is translated by A. Compute Y = AX to verify your prediction. (b) Make...

Q:

The digital image represents the letter F using 20 pixels in a 5 x 4 grid. Assume that there are four gray levels from 0 to 3. (a) Find a matrix B such that B- A represents the negative image of the...

Q:

a K-Roo Ltd., an Australian firm, has a USD 264 million payable in one year that it wants to hedge, and enters into a risk sharing arrangement with its supplier, Ala Co. The terms of the risk sharing...

Q:

12.The quantitative data set under consideration has roughly abell-shaped distribution. Apply the empirical rule to answer the following question. A quantitative data set has mean 21 and standard...

Q:

MAN:NON -SMOKER 135, MAN REGULAR SMOKER 38, MAN HEAVY SMOKER: 5 TOTAL = 178 ---- WOMAN NON SMOKER 187, WOMAN REGULAR SMOKER 21, WOMAN HEAVY SMOKER 7, TOTAL 215 TOTAL NON SMOKERS (MALE AND FEMALE),...