anonymous
  • anonymous
Find A u B and A (upside down u sign) B for Set A and B A= {40,35,45,5}, B= {1-,30,15} A u B = ? or A u B is the empty set A (upside down u sign) B A (upside down u sign) B is the empty set HELP!!!!!
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
UnkleRhaukus
  • UnkleRhaukus
The union of sets is the set that contains all the elements in the first set and the second set The intersection of sets is the set of elements that appear in both sets for example: if \(X=\{a,b,c\}\) and \(Y=\{c,d,e\}\) the ∪nion of \(X\) and \(Y\) is \(X\cup Y=\{a,b,c\}\cup\{c,d,e\}=\{a,b,c,d,e\}\) The i∩tersectio∩ of \(X\) and \(Y\) is \(X∩Y=\{a,b,c\}∩\{c,d,e\}={c}\)
anonymous
  • anonymous
So, do i use your example to solve >< sorry i never learned this
UnkleRhaukus
  • UnkleRhaukus
\[A= \{40,35,45,5\},\quad B= \{1-,30,15\}\] \[A \cup B = ?\]

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UnkleRhaukus
  • UnkleRhaukus
...
anonymous
  • anonymous
A U B = {40,35,45} U {45,30,15} ?
anonymous
  • anonymous
EXAMPLE NOT YOUR MATH PROBLEM intersection|dw:1368600603756:dw| WHAT HAPPENS TO INTERSECT C, D, E, F EVERY THING THAT HAPPENS TO INTERSECT IN THE AREA DENOTED BY AREA MARKED ( a) IS THE INTERSECTION OF C, D, E, F UPSIDE DOWN U
anonymous
  • anonymous
i dont get that
anonymous
  • anonymous
oh ok...
anonymous
  • anonymous
So, what I got as an answer is it correct? Do I just plug what is a,b,c, d...etc?
anonymous
  • anonymous
AUB={1,-30,15,35,45,40,5}
anonymous
  • anonymous
its 10...
anonymous
  • anonymous
|dw:1368601433801:dw||dw:1368601675484:dw|
anonymous
  • anonymous
|dw:1368602059344:dw|
UnkleRhaukus
  • UnkleRhaukus
\[A= \{40,35,45,5\},\quad B= \{1-,30,15\}\] \[A \cup B = \{40,35,45,5\}\cup\{1-,30,15\}=\]
UnkleRhaukus
  • UnkleRhaukus
|dw:1368602785826:dw|
anonymous
  • anonymous
|dw:1368603108968:dw|
anonymous
  • anonymous
|dw:1368603175678:dw|

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