Contemporary Mathematics for Business & Consumers

8th Edition

ISBN: 9781305585447

Author: Robert Brechner, Geroge Bergeman

Publisher: Cengage Learning

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Unitary Method

The word “unitary” comes from the word “unit”, which means a single and complete entity. In this method, we find the value of a unit product from the given number of products, and then we solve for the other number of products.

Speed, Time, and Distance

Imagine you and 3 of your friends are planning to go to the playground at 6 in the evening. Your house is one mile away from the playground and one of your friends named Jim must start at 5 pm to reach the playground by walk. The other two friends are 3 …

Profit and Loss

The amount earned or lost on the sale of one or more items is referred to as the profit or loss on that item.

Units and Measurements

Measurements and comparisons are the foundation of science and engineering. We, therefore, need rules that tell us how things are measured and compared. For these measurements and comparisons, we perform certain experiments, and we will need the experime…

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Textbook Question

Chapter 3.III, Problem 19RE

You are the purchasing manager for Five Star Graphics, a company that uses specially treated photo paper. The yellow paper costs $ .07 1 5 per sheet, and the blue paper costs $ .05 3 8 per sheet. If you order 15,000 yellow sheets and 26,800 blue sheets, what is the total cost of the order?

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Chapter 3.III, Problem 18RE

Chapter 3.III, Problem 20RE

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Consider the system of differential equations dx 8 3 x Y dt 4 -- (0) + (1) (음)- (0) dy 18 y. dt For this system, the eigenvalues are help (numbers) Enter as a comma separated list. How do the solution curves of the system above behave? All of the solutions curves would converge towards 0 (sink/stable node). All of the solution curves would run away from 0 (source/unstable node). The solution curves would race towards zero and then veer away towards infinity (saddle point). The solution curves converge to different points. The solution to the above differential equation with initial values x(0) = 5, y(0) = 3 is x(t) = help (formulas) y(t) = help (formulas) Book: Section 3.5 of Notes on Diffy Qs

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Chapter 3 Solutions

Contemporary Mathematics for Business & Consumers

Ch. 3.I - Read and write the following numbers in word...Ch. 3.I - Round the following numbers to the indicated...Ch. 3.I - Write the following numbers in word form. Ch. 3.I - Write the following numbers in word form. 2.48 Ch. 3.I - Write the following numbers in word form. 3. ...Ch. 3.I - Write the following numbers in word form. 4....Ch. 3.I - Prob. 5RE Ch. 3.I - Write the following numbers in word form. .000033 Ch. 3.I - Write the following numbers in word form. .00938 Ch. 3.I - Prob. 8RE

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You are the purchasing manager for Five Star Graphics, a company that uses specially treated photo paper. The yellow paper costs $ .07 1 5 per sheet, and the blue paper costs $ .05 3 8 per sheet. If you order 15,000 yellow sheets and 26,800 blue sheets, what is the total cost of the order?

Solution Summary: The author calculates the total cost of order of 15,000 yellow sheets and 26,800 blue sheets.

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Chapter 3 Solutions