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Mathematics, 10.12.2019 21:31 minecrafter3882

Let x1 and x2 be 0 - 1 variables whose values indicate whether projects 1 and 2 are not done or are done. which answer below indicates that project 2 can be done only if project 1 is done? x1 + x2 = 1 x1 + x2 = 2 x1 βˆ’ x2 β‰₯ 0 x1 βˆ’ x2 ≀ 0

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