anonymous
  • anonymous
About Venn Diagrams and set notation. Does a "minus P" mean minus the overlap or all of "P"? Example Triple Venn of K, P and M. K has 15 people, 6 of which overlap with P. P has 7 people, 6 of which over lap with K. If M union K = 12, would MUK - P = 6 or 5?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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Owlfred
  • Owlfred
Hoot! You just asked your first question! Hang tight while I find people to answer it for you. You can thank people who give you good answers by clicking the 'Good Answer' button on the right!
anonymous
  • anonymous
I don't see a good answer button.
anonymous
  • anonymous
\[M \bigcup K \setminus P\] would be the set of everything that is in M and K but not in P.

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anonymous
  • anonymous
We can't know how many from P are in M union K without knowing more about M.
anonymous
  • anonymous
I'll try to attach file
anonymous
  • anonymous
1 Attachment
amistre64
  • amistre64
hit f5 to refresh your browser and the good answer button should appear
anonymous
  • anonymous
thanks
amistre64
  • amistre64
-P tends to mean (notP)
anonymous
  • anonymous
So it would be minus 7 in this Venn, not minus 6?
amistre64
  • amistre64
notP = {1,3,8}
amistre64
  • amistre64
subtract P from the union of MK right?
anonymous
  • anonymous
yes
anonymous
  • anonymous
Basically we can see that there is only 1 element that is in M AND K but not in P
anonymous
  • anonymous
Ah, I see the numbers are not treated as numbers so to speak, but members of the set.
amistre64
  • amistre64
Does it want MuK or MnK?
anonymous
  • anonymous
No, I think it's the cardinality of the set.
anonymous
  • anonymous
The question is show those with just M, just K or just M & K.
anonymous
  • anonymous
Or I suppose you can interpret it as the elements.
amistre64
  • amistre64
M union K is the set of all the elements of both M and K: MuK, MorK M intersect K is the set of only the common elements: MnK, MandK
amistre64
  • amistre64
MuK - P = {8,1,3} MnK - P = {1}
anonymous
  • anonymous
Elements - yes bc MUK is {8,1,3,2,4} P = {1,2,4} MUK - P would be {8, 1,3,2,4} - {1,2,4} (where the 1s are different elements) leaving {8,1,3}.
anonymous
  • anonymous
Ack. Sorry union is or. not and
amistre64
  • amistre64
exactly :)
anonymous
  • anonymous
I need to get more sleep.
amistre64
  • amistre64
and more fiber :)
anonymous
  • anonymous
if by fiber you mean coffee I agree.
anonymous
  • anonymous
Thank you your answer clarified this in a more important way than this single question. We have to relook at the set notation chapter.
amistre64
  • amistre64
yw and good luck :)

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