QuickHelper

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About QuickHelper

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Teaching Since: May 2017
Last Sign in: 260 Weeks Ago
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Education

  • MBA, PHD
    Phoniex
    Jul-2007 - Jun-2012

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  • Corportae Manager
    ChevronTexaco Corporation
    Feb-2009 - Nov-2016

Category > Math Posted 13 Sep 2017 My Price 15.00

Week 6 True or False questions

  1. True or false. A set is any collection of objects.
  2. True or false. A proper subset of a set is itself a subset of the set, but not vice versa.
  3. True or false. The empty set is a subset of every set.
  4. True or false. If A ∪ B = ∅ , then A =  ∅ and B =  ∅ .
  5. True or false. If A ∩ B =  ∅ , then A =  ∅ or B =  ∅ or bothA and B are empty sets.
  6. True or false. (A ∪ Ac)c =  ∅ .
  7. True or false. [A ∩ (B ∪ C)]c= (A ∩ B)c  ∩ (A  ∩ C)c
  8. True or false. n(A) + n(B) = n(A  ∪ B) +n(A  ∩ B)
  9. True or false. If A ∈ B, then n(B) =n(A) + n(Ac ∩ B).
  10. True or false. The number of permutations of n distinct objects taken all together is n!
  11. True or false. P(n, r) = r! C(n, r).

Answers

QuickHelper
(10)
Status NEW Posted 13 Sep 2017 04:09 PM My Price 15.00

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