CPM Homework Help : INT3 Problem 12-47

CPM Homework Banner

Home > INT3 > Chapter 12 > Lesson 12.1.3 > Problem 12-47

12-47.

Rewrite each sum below as a single fraction.

$\frac{1}{2}+\frac{1}{3}$
Hint (a):
Find a common denominator.

$\frac{3}{2x}+\frac{4}{x^2}$
Hint (b):
What do you need to multiply each term by to have a common denominator? It's similar to part (a).
Answer (b):
$\frac{3x+8}{2x^2}$

$\frac{x}{x+1}+\frac{3}{x-1}$
Hint (c):
Use the same method as part (b).

$\frac { \operatorname { sin } ( \theta ) } { \operatorname { cos } ( \theta ) } + \frac { 1 } { \operatorname { sin } ( \theta ) }$
Answer (d):
$\frac{\sin^2\theta+\cos\theta}{\sin\theta\cos\theta}$

© 2022 CPM Educational Program. All rights reserved.