Mathematics for Machine Technology
Mathematics for Machine Technology
7th Edition
ISBN: 9781133281450
Author: John C. Peterson, Robert D. Smith
Publisher: Cengage Learning
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Concept explainers

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
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Chapter 41, Problem 8A

Express each ofthe word problems in Exercises 7 through 19 as equations. Let the unknown number equal x and by logical reasoning solve for the value of the unknown. Check the equation by comparing it to the word problem. Does the equation state mathematically what the problem states in words? Check whether the equation is balanced by substituting

A number less 7 equals 15. Find the number.

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Chapter 41 Solutions

Mathematics for Machine Technology

Ch. 41 - Prob. 1ACh. 41 - Prob. 2ACh. 41 - Prob. 3ACh. 41 - Prob. 4ACh. 41 - Prob. 5ACh. 41 - Prob. 6ACh. 41 - Prob. 7ACh. 41 - Express each ofthe word problems in Exercises 7...Ch. 41 - Express each ofthe word problems in Exercises 7...Ch. 41 - Express each ofthe word problems in Exercises 7...
Ch. 41 - Prob. 11ACh. 41 - Express each ofthe word problems in Exercises 7...Ch. 41 - Prob. 13ACh. 41 - Prob. 14ACh. 41 - Express each ofthe word problems in Exercises 7...Ch. 41 - Express each ofthe word problems in Exercises 7...Ch. 41 - Prob. 17ACh. 41 - Prob. 18ACh. 41 - The total amount of stock milled off an aluminum...Ch. 41 - Prob. 20ACh. 41 - In each of the following problems, refer to the...Ch. 41 - In each of the following problems, refer to the...Ch. 41 - In each of the following problems, refer to the...Ch. 41 - Prob. 24ACh. 41 - In each of the following problems, refer to the...Ch. 41 - In each of the following problems, refer to the...Ch. 41 - In each of the following problems, refer to the...Ch. 41 - In each of the following problems, refer to the...Ch. 41 - Prob. 29ACh. 41 - Prob. 30ACh. 41 - Solve for the unknown values in the following...Ch. 41 - Solve for the unknown values in the following...Ch. 41 - Prob. 33ACh. 41 - Prob. 34ACh. 41 - Solve for the unknown values in the following...Ch. 41 - Prob. 36ACh. 41 - Prob. 37ACh. 41 - Prob. 38ACh. 41 - Solve for the unknown values in the following...Ch. 41 - Solve for the unknown values in the following...Ch. 41 - Solve for the unknown values in the following...Ch. 41 - Solve for the unknown values in the following...Ch. 41 - Solve for the unknown values in the following...Ch. 41 - Solve for the unknown values in the following...Ch. 41 - Prob. 45ACh. 41 - Prob. 46A
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