Question

Evaluate each expression. $$\frac{4+8}{5-3}$$

   Evaluate each expression.
$$\frac{4+8}{5-3}$$

College Algebra

College Algebra

Michael Sullivan 11th Edition

Chapter 0, Problem 67

Instant Answer

Solved by Expert Victoria Karaluz

05/18/2020

Step 1

First, we need to perform the operations inside the parentheses: 4 + 8 = 12 5 - 3 = 2 Now we have the expression: Show more…

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Evaluate each expression. $$\frac{4+8}{5-3}$$

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Key Concepts

Fractions

Fractions represent a division of one quantity by another, where the numerator is divided by the denominator. Understanding fractions is critical in mathematics, as it involves simplifying expressions by evaluating the numerator and denominator separately before performing the division to obtain the final value.

Arithmetic Operations

Arithmetic operations encompass the basic processes of addition, subtraction, multiplication, and division. Mastery of these operations is essential for evaluating any mathematical expression accurately, as they form the basis of more complex calculations.

Order of Operations

The order of operations is a fundamental principle that determines the sequence in which parts of a mathematical expression are evaluated. It ensures accurate results by establishing that calculations within grouping symbols (such as parentheses) are performed first, followed by a prescribed sequence of operations (exponents, multiplication and division, addition and subtraction).

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