In Problems 25-30, perform the indicated operation and write the answer as a simple fraction reduced to lowest terms. All variables represent positive real numbers. x − 1 + y − 1 x − 2 − y − 2
In Problems 25-30, perform the indicated operation and write the answer as a simple fraction reduced to lowest terms. All variables represent positive real numbers. x − 1 + y − 1 x − 2 − y − 2
Solution Summary: The author explains how to calculate the simplified form of the expression x-1+y
In Problems 25-30, perform the indicated operation and write the answer as a simple fraction reduced to lowest terms. All variables represent positive real numbers.
John knows that multiplying a number by — 1 merely changes the sign ofthe number. He reasons that multiplying a number by an even power of — 1 will change the sign of the number an even number of times. Heconcludes that this is equivalent to multiplying a number by + 1 , so that every even power of -1 is equal to a +1?
1.
Find the value of "x" *
2x + 18
4x
12
Chapter DPT Solutions
Finite Mathematics for Business, Economics, Life Sciences and Social Sciences
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Understanding Fractions, Improper Fractions, and Mixed Numbers; Author: Professor Dave Explains;https://www.youtube.com/watch?v=qyW2mWvvtZ8;License: Standard YouTube License, CC-BY