anonymous
  • anonymous
SOMEONE PLEASE HELP HOMEWORK !COLLEGE ALGEBRA! (PIC IN COMMENT)
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
At vero eos et accusamus et iusto odio dignissimos ducimus qui blanditiis praesentium voluptatum deleniti atque corrupti quos dolores et quas molestias excepturi sint occaecati cupiditate non provident, similique sunt in culpa qui officia deserunt mollitia animi, id est laborum et dolorum fuga. Et harum quidem rerum facilis est et expedita distinctio. Nam libero tempore, cum soluta nobis est eligendi optio cumque nihil impedit quo minus id quod maxime placeat facere possimus, omnis voluptas assumenda est, omnis dolor repellendus. Itaque earum rerum hic tenetur a sapiente delectus, ut aut reiciendis voluptatibus maiores alias consequatur aut perferendis doloribus asperiores repellat.
katieb
  • katieb
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anonymous
  • anonymous
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anonymous
  • anonymous
@vk278
anonymous
  • anonymous
well you know what those 'U' s mean, right?

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anonymous
  • anonymous
no
anonymous
  • anonymous
i need help on eveything
anonymous
  • anonymous
well the upright u (U) means or. the upside down U means and.
anonymous
  • anonymous
|dw:1378254859939:dw|
anonymous
  • anonymous
the middle of the venn diagram is A and B. it is what they share; what they have in common. If you look at the set A and the set B, you see that they share a few numbers
anonymous
  • anonymous
they both share the numbers: -4, and -6. A and B is {-4, -6}
anonymous
  • anonymous
but the question in the picture is asking for the 'or' not the 'and'. If you have 2 sets, the answer actually is A or B. the answer, i think, is the first option: {{-4, -6, 6, 4} OR {-1, -4, -9, -6, 0}}
anonymous
  • anonymous
yea it is
anonymous
  • anonymous
so you understand now?
anonymous
  • anonymous
hats the answer ?
anonymous
  • anonymous
what is the answer ?
anonymous
  • anonymous
i think thats the answer, yeah
anonymous
  • anonymous
{{-4, -6, 6, 4} OR {-1, -4, -9, -6, 0}}
anonymous
  • anonymous
thts the problem tho
anonymous
  • anonymous
how is tht the answer ?
anonymous
  • anonymous
i don't think you can simplify it further...
anonymous
  • anonymous
the operator 'or' usually deals with True or False, but since this is not using those, it's using sets of numbers, i guess the answer is what i said
anonymous
  • anonymous
noo its wrong
anonymous
  • anonymous
u gave mt the problem as thr answer @abrahamglasser
anonymous
  • anonymous
how do you know it's wrong?
anonymous
  • anonymous
its my hw an i checked it online. it says its wrong.
anonymous
  • anonymous
hmm. umm i'm not sure, sorry
anonymous
  • anonymous
u means the union of both A and B so list all of the elements (numbers) from both A and B and do not repeat numbers
anonymous
  • anonymous
so is it -4, -6
anonymous
  • anonymous
OHH yeah, i remember now! sorry, it does mean union. So it's all the numbers from both sets, but dont write a number twice
anonymous
  • anonymous
so its -9 -6 -4 -1 0 4 6
anonymous
  • anonymous
like this: A = [a, b, c, d] B = [a, e, f, g, h] A U B = [a, b, c, d, e, f, g, h]
anonymous
  • anonymous
but A 'and' B is [a]
anonymous
  • anonymous
so whats A n B?
anonymous
  • anonymous
A n B is [-4, -6]
anonymous
  • anonymous
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anonymous
  • anonymous
that one is the intersection of A and B so what are the common numbers in both, or should I say what numbers are the same
anonymous
  • anonymous
yep Abraham is correct with -4 -6
anonymous
  • anonymous
thankss
anonymous
  • anonymous
np :D
anonymous
  • anonymous
no problem, sorry for the confusion earlier
anonymous
  • anonymous
i need help wit sometin else imma post it in pic
anonymous
  • anonymous
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anonymous
  • anonymous
@abrahamglasser
anonymous
  • anonymous
ok, so (-2, 0) and [-1, 8] are points on a graph.
anonymous
  • anonymous
i think that if you have a point U another point, the answer is the midpoint.
anonymous
  • anonymous
whats the ansewr i have no clue how to do this
anonymous
  • anonymous
ok. so you have (-2, 0) and [-1, 8]. -2 + -1 is -3. then you divide that by 2, so the first number is -3/2. then you have 0+8 = 8. 8/2 = 4. so the answer is (-3/2, 4)
anonymous
  • anonymous
itts wrong @abrahamglasser
anonymous
  • anonymous
oh, it's talking about a number line, not points on a graph, lol, i answered too fast, sorry. So you have a number line, hold on i'm going to draw it.
anonymous
  • anonymous
|dw:1378256706224:dw|
anonymous
  • anonymous
you have to find what they have in common. which is... hold on
anonymous
  • anonymous
|dw:1378256856423:dw|
anonymous
  • anonymous
and that's the answer!
anonymous
  • anonymous
did it work?

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