Contemporary Mathematics for Business and Consumers
7th Edition
ISBN: 9781285189758
Author: Robert Brechner, George Bergeman
Publisher: Cengage Learning
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
Textbook Question
Chapter 5, Problem 24AT
Set up and solve equations for the following business situations.
Do It Best Hardware is offering a 140-piece mechanic’s tool set plus a $65 tool chest for $226. What is the cost per tool?
Do it Best Corp. engages in the wholesale distribution of hardware, lumber, builder supplies, and related products. The company is a member- owned cooperative and is guided by the members of the board of directors. This group is entirely composed of and elected by Do it Best Corp. stockholders—those hardware, lumber, and home center store owners who make up the 4,100 member-retailers in the United States and in 45 countries around the world.
Sources: www.doltbestcorp.com and www.businessweek.com
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
Keity
x२
1. (i)
Identify which of the following subsets of R2 are open and which
are not.
(a)
A = (2,4) x (1, 2),
(b)
B = (2,4) x {1,2},
(c)
C = (2,4) x R.
Provide a sketch and a brief explanation to each of your answers.
[6 Marks]
(ii)
Give an example of a bounded set in R2 which is not open.
[2 Marks]
(iii)
Give an example of an open set in R2 which is not bounded.
[2 Marks
2.
(i)
Which of the following statements are true? Construct coun-
terexamples for those that are false.
(a)
sequence.
Every bounded sequence (x(n)) nEN C RN has a convergent sub-
(b)
(c)
(d)
Every sequence (x(n)) nEN C RN has a convergent subsequence.
Every convergent sequence (x(n)) nEN C RN is bounded.
Every bounded sequence (x(n)) EN CRN converges.
nЄN
(e)
If a sequence (xn)nEN C RN has a convergent subsequence, then
(xn)nEN is convergent.
[10 Marks]
(ii)
Give an example of a sequence (x(n))nEN CR2 which is located on
the parabola x2 = x², contains infinitely many different points and converges
to the limit x = (2,4).
[5 Marks]
2.
(i) What does it mean to say that a sequence (x(n)) nEN CR2
converges to the limit x E R²?
[1 Mark]
(ii) Prove that if a set ECR2 is closed then every convergent
sequence (x(n))nen in E has its limit in E, that is
(x(n)) CE and x() x
x = E.
[5 Marks]
(iii)
which is located on the parabola x2 = = x
x4, contains a subsequence that
Give an example of an unbounded sequence (r(n)) nEN CR2
(2, 16) and such that x(i)
converges to the limit x = (2, 16) and such that x(i)
#
x() for any i j.
[4 Marks
Chapter 5 Solutions
Contemporary Mathematics for Business and Consumers
Ch. 5.I - Solve the following equations for the unknown and...Ch. 5.I - Prob. 2TIECh. 5.I - Prob. 3TIECh. 5.I - Prob. 4TIECh. 5.I - Solve the following equations for the unknown and...Ch. 5.I - Prob. 6TIECh. 5.I - Prob. 7TIECh. 5.I - Prob. 8TIECh. 5.I - Prob. 9TIECh. 5.I - For the following statements, underline the key...
Ch. 5.I - Prob. 1RECh. 5.I - Prob. 2RECh. 5.I - Prob. 3RECh. 5.I - Prob. 4RECh. 5.I - Prob. 5RECh. 5.I - Prob. 6RECh. 5.I - Prob. 7RECh. 5.I - Prob. 8RECh. 5.I - Prob. 9RECh. 5.I - Prob. 10RECh. 5.I - Prob. 11RECh. 5.I - Prob. 12RECh. 5.I - Prob. 13RECh. 5.I - Prob. 14RECh. 5.I - Prob. 15RECh. 5.I - Prob. 16RECh. 5.I - Prob. 17RECh. 5.I - For the following statements, underline the key...Ch. 5.I - Prob. 19RECh. 5.I - Prob. 20RECh. 5.I - Prob. 21RECh. 5.I - Prob. 22RECh. 5.I - Prob. 23RECh. 5.I - Prob. 24RECh. 5.I - For the following statements, underline the key...Ch. 5.I - Prob. 26RECh. 5.I - Prob. 27RECh. 5.I - Prob. 28RECh. 5.I - Prob. 29RECh. 5.I - Prob. 30RECh. 5.I - For the following statements, underline the key...Ch. 5.I - Grouping symbols are used to arrange numbers,...Ch. 5.II - Don and Chuck are salespeople for Security One...Ch. 5.II - One-third of the checking accounts at the...Ch. 5.II - Prob. 13TIECh. 5.II - Prob. 14TIECh. 5.II - Last week Comfy Cozy Furniture sold 520 items. It...Ch. 5.II - REI (Recreational Equipment Incorporated) sells a...Ch. 5.II - Prob. 17TIECh. 5.II - Prob. 1RECh. 5.II - Set up and solve equations for the following...Ch. 5.II - Set up and solve equations for the following...Ch. 5.II - Prob. 4RECh. 5.II - Set up and solve equations for the following...Ch. 5.II - Set up and solve equations for the following...Ch. 5.II - Set up and solve equations for the following...Ch. 5.II - Set up and solve equations for the following...Ch. 5.II - Set up and solve equations for the following...Ch. 5.II - Set up and solve equations for the following...Ch. 5.II - Set up and solve equations for the following...Ch. 5.II - Set up and solve equations for the following...Ch. 5.II - Set up and solve equations for the following...Ch. 5.II - Set up and solve equations for the following...Ch. 5.II - Set up and solve equations for the following...Ch. 5.II - Prob. 16RECh. 5.II - Set up and solve equations for the following...Ch. 5.II - Set up and solve equations for the following...Ch. 5.II - Set up and solve equations for the following...Ch. 5.II - Use ratio and proportion to solve the following...Ch. 5.II - Use ratio and proportion to solve the following...Ch. 5.II - Prob. 22RECh. 5.II - Prob. 23RECh. 5.II - Use ratio and proportion to solve the following...Ch. 5.II - Prob. 25RECh. 5.II - Use ratio and proportion to solve the following...Ch. 5.II - Use ratio and proportion to solve the following...Ch. 5.II - Use ratio and proportion to solve the following...Ch. 5.II - Use ratio and proportion to solve the following...Ch. 5.II - 30. In a move to provide additional sales for U.S....Ch. 5 - A(n) ______ is a mathematical statement describing...Ch. 5 - A mathematical statement expressing a relationship...Ch. 5 - Prob. 3CRCh. 5 - Prob. 4CRCh. 5 - The numerical value of the unknown that makes an...Ch. 5 - Prob. 6CRCh. 5 - 7. To transpose means to bring a term from one...Ch. 5 - Prob. 8CRCh. 5 - 9. To prove the solution of an equation, we...Ch. 5 - Prob. 10CRCh. 5 - Prob. 11CRCh. 5 - 12. A comparison of two quantities by division is...Ch. 5 - Prob. 13CRCh. 5 - Prob. 14CRCh. 5 - Prob. 1ATCh. 5 - Prob. 2ATCh. 5 - Solve the following equations for the unknown and...Ch. 5 - Prob. 4ATCh. 5 - Prob. 5ATCh. 5 - Prob. 6ATCh. 5 - Prob. 7ATCh. 5 - Prob. 8ATCh. 5 - Prob. 9ATCh. 5 - Prob. 10ATCh. 5 - For the following statements, underline the key...Ch. 5 - Prob. 12ATCh. 5 - Prob. 13ATCh. 5 - Prob. 14ATCh. 5 - Prob. 15ATCh. 5 - For the following statements, underline the key...Ch. 5 - Prob. 17ATCh. 5 - Prob. 18ATCh. 5 - Set up and solve equations for each of the...Ch. 5 - Set up and solve equations for each of the...Ch. 5 - Prob. 21ATCh. 5 - Set up and solve equations for each of the...Ch. 5 - Prob. 23ATCh. 5 - Set up and solve equations for the following...Ch. 5 - Set up and solve equations for the following...Ch. 5 - Set up and solve equations for the following...Ch. 5 - Set up and solve equations for the following...Ch. 5 - Set up and solve equations for the following...Ch. 5 - Set up and solve equations for the following...Ch. 5 - Prob. 30ATCh. 5 - Use ratio and proportion to solve the following...Ch. 5 - Use ratio and proportion to solve the following...Ch. 5 - Use ratio and proportion to solve the following...Ch. 5 - 34. One special type of ratio is known as a rate....
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, subject and related others by exploring similar questions and additional content below.Similar questions
- 1. (i) which are not. Identify which of the following subsets of R2 are open and (a) A = (1, 3) x (1,2) (b) B = (1,3) x {1,2} (c) C = AUB (ii) Provide a sketch and a brief explanation to each of your answers. [6 Marks] Give an example of a bounded set in R2 which is not open. (iii) [2 Marks] Give an example of an open set in R2 which is not bounded. [2 Marks]arrow_forwardsat Pie Joday) B rove: ABCB. Step 1 Statement D is the midpoint of AC ED FD ZEDAZFDC Reason Given 2 ADDC Select a Reason... A OBB hp B E F D Carrow_forward2. if limit. Recall that a sequence (x(n)) CR2 converges to the limit x = R² lim ||x(n)x|| = 0. 818 - (i) Prove that a convergent sequence (x(n)) has at most one [4 Marks] (ii) Give an example of a bounded sequence (x(n)) CR2 that has no limit and has accumulation points (1, 0) and (0, 1) [3 Marks] (iii) Give an example of a sequence (x(n))neN CR2 which is located on the hyperbola x2 1/x1, contains infinitely many different Total marks 10 points and converges to the limit x = (2, 1/2). [3 Marks]arrow_forward
- 3. (i) Consider a mapping F: RN Rm. Explain in your own words the relationship between the existence of all partial derivatives of F and dif- ferentiability of F at a point x = RN. (ii) [3 Marks] Calculate the gradient of the following function f: R2 → R, f(x) = ||x||3, Total marks 10 where ||x|| = √√√x² + x/2. [7 Marks]arrow_forward1. (i) (ii) which are not. What does it mean to say that a set ECR2 is closed? [1 Mark] Identify which of the following subsets of R2 are closed and (a) A = [-1, 1] × (1, 3) (b) B = [-1, 1] x {1,3} (c) C = {(1/n², 1/n2) ER2 | n EN} Provide a sketch and a brief explanation to each of your answers. [6 Marks] (iii) Give an example of a closed set which does not have interior points. [3 Marks]arrow_forwardFunction: y=xsinx Interval: [ 0 ; π ] Requirements: Draw the graphical form of the function. Show the coordinate axes (x and y). Choose the scale yourself and show it in the flowchart. Create a flowchart based on the algorithm. Write the program code in Python. Additional requirements: Each stage must be clearly shown in the flowchart. The program must plot the graph and save it in PNG format. Write the code in a modular way (functions and main section should be separate). Expected results: The graph of y=xsinx will be plotted in the interval [ 0 ; π ]. The algorithm and flowchart will be understandable and complete. When you test the code, a graph file in PNG format will be created.arrow_forward
- A company specializing in lubrication products for vintage motors produce two blended oils, Smaza and Nefkov. They make a profit of K5,000.00 per litre of Smaza and K4,000.00 per litre of Nefkov. A litre of Smaza requires 0.4 litres of heavy oil and 0.6 litres of light oil. A litre of Nefkov requires 0.8 litres of heavy oil and 0.2 litres of light oil. The company has 100 litres of heavy oil and 80 litres of light oil. How many litres of each product should they make to maximize profits and what level of profit will they obtain? Show all your workings.arrow_forwardUse the graphs to find estimates for the solutions of the simultaneous equations.arrow_forwardPLEASE SOLVE STEP BY STEP WITHOUT ARTIFICIAL INTELLIGENCE OR CHATGPT SOLVE BY HAND STEP BY STEParrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Mod-01 Lec-01 Discrete probability distributions (Part 1); Author: nptelhrd;https://www.youtube.com/watch?v=6x1pL9Yov1k;License: Standard YouTube License, CC-BY
Discrete Probability Distributions; Author: Learn Something;https://www.youtube.com/watch?v=m9U4UelWLFs;License: Standard YouTube License, CC-BY
Probability Distribution Functions (PMF, PDF, CDF); Author: zedstatistics;https://www.youtube.com/watch?v=YXLVjCKVP7U;License: Standard YouTube License, CC-BY
Discrete Distributions: Binomial, Poisson and Hypergeometric | Statistics for Data Science; Author: Dr. Bharatendra Rai;https://www.youtube.com/watch?v=lHhyy4JMigg;License: Standard Youtube License