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An airline company wants to connect 4 airports with bi-directional flights. Which case would you consider to count the number of flights? Case 4 - P (n, r) Case 5 - C(n, r) Case 2 - n' Case 3 - C(n+r-1, r)

An airline company wants to connect 4 airports with bi-directional flights. Which case would you consider to count the number of flights? Case 4 - P (n, r) Case 5 - C(n, r) Case 2 - n' Case 3 - C(n+r-1, r)

Algebra: Structure And Method, Book 1
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
Section1.6: Translating Problems Into Equations
Problem 1E
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An airline company wants to connect 4 airports with bi-directional flights. Which case would you consider to count the number of flights? Case 4 - P (n, r) Case 5 - C(n, r) Case 2 - n Case 3 - C(n+r-1, r)
Transcribed Image Text:An airline company wants to connect 4 airports with bi-directional flights. Which case would you consider to count the number of flights? Case 4 - P (n, r) Case 5 - C(n, r) Case 2 - n Case 3 - C(n+r-1, r)
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