Algebra: Structure And Method, Book 1

(REV)00 Edition

ISBN: 9780395977224

Author: Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole

Publisher: McDougal Littell

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Concept explainers

Percentage

A percentage is a number indicated as a fraction of 100. It is a dimensionless number often expressed using the symbol %.

Algebraic Expressions

In mathematics, an algebraic expression consists of constant(s), variable(s), and mathematical operators. It is made up of terms.

Numbers

Numbers are some measures used for counting. They can be compared one with another to know its position in the number line and determine which one is greater or lesser than the other.

Subtraction

Before we begin to understand the subtraction of algebraic expressions, we need to list out a few things that form the basis of algebra.

Addition

Before we begin to understand the addition of algebraic expressions, we need to list out a few things that form the basis of algebra.

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Question

Chapter 1.1, Problem 15OE

To determine

To Evaluate: The expression 7b if a=1 , b=2 , and c=3

Expert Solution & Answer

Answer to Problem 15OE

7b=14

Explanation of Solution

Given information:

The expression 7b and the values a=1 , b=2 , and c=3

Concept Used:

The value of an expression at the given values of the unknowns is calculated by substituting the given values of the unknowns into the expression and simplifying it.

Calculation:

Given the expression 7b

Evaluating the expression 7b at b=2 , we have

7b=7(2) Substituting b=2=14

Therefore, 7b=14

Conclusion:

7b=14

Chapter 1.1, Problem 14OE

Chapter 1.1, Problem 16OE

Chapter 1 Solutions

Algebra: Structure And Method, Book 1

Ch. 1.1 - Prob. 1OE Ch. 1.1 - Prob. 2OE Ch. 1.1 - Prob. 3OE Ch. 1.1 - Prob. 4OE Ch. 1.1 - Prob. 5OE Ch. 1.1 - Prob. 6OE Ch. 1.1 - Prob. 7OE Ch. 1.1 - Prob. 8OE Ch. 1.1 - Prob. 9OE Ch. 1.1 - Prob. 10OE

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The expression 7 b if a = 1 , b = 2 , and c = 3

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To Evaluate: The expression 7b if a=1 , b=2 , and c=3

Answer to Problem 15OE

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