# SOLUTION: Given U = {21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31}, A = {21, 23, 25, 27, 29}, and B = {22, 25, 28, 29}. Find A&#8242; U B&#8242;. A={21,23,24,26,27,30,31} Did I do this

Algebra ->  Algebra  -> Geometry-proofs -> SOLUTION: Given U = {21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31}, A = {21, 23, 25, 27, 29}, and B = {22, 25, 28, 29}. Find A&#8242; U B&#8242;. A={21,23,24,26,27,30,31} Did I do this       Log On

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 Geometry: Proofs in Geometry Solvers Lessons Answers archive Quiz In Depth

 Question 191916: Given U = {21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31}, A = {21, 23, 25, 27, 29}, and B = {22, 25, 28, 29}. Find A′ U B′. A={21,23,24,26,27,30,31} Did I do this correctly, if not, can someone show me how to do it? Thanks. Answer by user_dude2008(1861)   (Show Source): You can put this solution on YOUR website!A' = Everything in U not in A = {22, 24, 26, 28, 30, 31} B' = Everything in U not in B = {21, 23, 24, 26, 27, 30, 31} A' U B' = new set from combining A' and B' = {21, 22, 23, 24, 26, 27, 28, 30, 31} Answer: A' U B' = {21, 22, 23, 24, 26, 27, 28, 30, 31}