Pre-Algebra

1st Edition

ISBN: 9780618800766

Author: Ron Larson, Lee Stiff, Laurie Boswell, Timothy Kanold

Publisher: Houghton Mifflin-High School

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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 1.3, Problem 23E

To determine

To calculate : the value of the expression,

x+24.4y when x=3 and y=4

Expert Solution & Answer

Answer to Problem 23E

The value of the expression,

x+24.4y=9.1 when x=3 and y=4

Explanation of Solution

Given information :

Consider, the expression,

x+24.4y when x=3 and y=4

Calculation :

To evaluate the value of the expression, substitute, x=3 and y=4

Therefore,

The value of the expression is obtained as:

x+24.4y=3+24.44x+24.4y=3+6.1 [divide]x+24.4y=9.1 [Add]

Hence,

The value of the expression x+24.4y=9.1 when x=3 and y=4

Chapter 1.3, Problem 22E

Chapter 1.3, Problem 24E

Chapter 1 Solutions

Pre-Algebra

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Introduction to Algebra | Algebra for Beginners | Math | LetsTute; Author: Let'stute;https://www.youtube.com/watch?v=VqfeXMinM0U;License: Standard YouTube License, CC-BY

the value of the expression, x + 24.4 y when x = 3 a n d y = 4

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To calculate : the value of the expression, x+24.4y when x=3 and y=4

Answer to Problem 23E

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To calculate : the value of the expression,

x+24.4y when x=3 and y=4