MyLab Math with Pearson eText -- Standalone Access Card -- for Precalculus: A Unit Circle Approach (3rd Edition)
MyLab Math with Pearson eText -- Standalone Access Card -- for Precalculus: A Unit Circle Approach (3rd Edition)
3rd Edition
ISBN: 9780134753164
Author: J. S. Ratti, Marcus S. McWaters, Leslaw Skrzypek
Publisher: PEARSON
Solutions are available for other sections.
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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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Textbook Question
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Chapter 4.1, Problem

Convert each angle from radians to degrees.

− 5 π 9

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