ambercal25 ambercal25

17-07-2016
Mathematics

contestada

Given two sets, X={things that are impossible or untrue} and Y={mathematical statements}, which of the following are in ( X and Y)
3^2=9
7+5=99
A cat lifts a grand piano
16> 99
candy is sweet

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konrad509 konrad509

17-07-2016

3^2=9 ∈ Y
7+5=99 ∈ X,Y
A cat lifts a grand piano ∈ X
16>99 ∈ X,Y
candy is sweet ∉ X,Y

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