Order 4 of the following sentences so that they prove the following statement by contradiction: The average of three real numbers is greater than or equal to at least one of the numbers. Proof by contradiction of the statement (in order): Choose from this list of sentences Hence, the assumption that the average of three real numbers is greater than all of the numbers is false Adding up the three inequalities yields x+y+z>x+y+z Adding up the three inequalities yields x+y+zx, (x+y+z)/3> y, and (x+y+z)/3> z This contradicts the fact that
Order 4 of the following sentences so that they prove the following statement by contradiction: The average of three real numbers is greater than or equal to at least one of the numbers. Proof by contradiction of the statement (in order): Choose from this list of sentences Hence, the assumption that the average of three real numbers is greater than all of the numbers is false Adding up the three inequalities yields x+y+z>x+y+z Adding up the three inequalities yields x+y+zx, (x+y+z)/3> y, and (x+y+z)/3> z This contradicts the fact that
Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter1: Introduction To Algebra
Section1.9: Opposites And Absolute Values
Problem 45WE
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