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 1.2, Problem 21WE

To determine

To evaluate the expression 9x+zx+z if x=3 and z=5 .

Expert Solution & Answer

Answer to Problem 21WE

Explanation of Solution

Given information:

The expression 9x+zx+z .

Calculations:

Substitute 3 for x and 5 for z in 9x+zx+z to get,

9(3)+(5)(3)+(5)=27+58=328=4

Chapter 1.2, Problem 20WE

Chapter 1.2, Problem 22WE

Chapter 1 Solutions

Algebra: Structure And Method, Book 1

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Prob. 28MS

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ISBN:9780077836344

Author:Julie Miller, Donna Gerken

Publisher:McGraw-Hill Education

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To evaluate the expression 9 x + z x + z if x = 3 and z = 5 .

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To evaluate the expression 9x+zx+z if x=3 and z=5 .

Answer to Problem 21WE

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