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Set Theory
Page 5
Questions (693)
I have trouble with remembering sets. So these are my questions, and can someone show me how to do them?
(1)Z is the set of all
2 answers
asked by
Cow
533 views
If both set x and set y have no numbers in common does x∩y become a blank set written as { }?
3 answers
asked by
lijm
354 views
Is the element the number of numbers in a set?
3 answers
asked by
lijm
364 views
I'm beginning a new unit in class on probability sets but I don't know what the U and upside down U symbols mean.
3 answers
asked by
Lijim
346 views
-4 what subset dose it blong in
1 answer
asked by
erin
280 views
Part A: The difference A\B of two subsets A and B of is the set A∩( \B) of all points of which are in A but not in B. Show
1 answer
asked by
Lara
421 views
A set of 60 different days is selected from a given year. Assume that all sets of cardinality 60 are equally likely. Also, for
2 answers
asked by
Divine
539 views
I have no freaking Idea on how to do this
4) R {1,2,3,4,7} T{3,5,6,7} What is the intersection of R & T? 5) What are the subsets
1 answer
asked by
Ty
453 views
With the use of diagrams, show that
P(A′∩B′) = P(A∪B)' I just need help with understanding how these two equal each other
1 answer
asked by
anonymous
439 views
find each union or intersection let A={1, 2, 3,} B={x|xis and even whole number less than 9} C={2, 5, 7, 10,} and D={x|xis an
4 answers
asked by
Madison/Kayla
581 views
find each union or intersection let A={1, 2, 3,} B={x|xis and even whole number less than 9} C={2, 5, 7, 10,} and D={x|xis an
3 answers
asked by
Madison/Kayla
382 views
Suppose U = {1,2,3,4,5,6,7,8}, Is the Universal set, and P = {1,3,5,7}, What is P
A) {2,4,6,8} B) {1,2,3,4,5,6,7,8} C) {1,3,5,7}
4 answers
asked by
Kat From Connections
1,676 views
a={1,3,4}, b={x| x is an even whole number less than 9}, c={2,5,7,10}, and d = {x| x is an odd whole number less than 10}
b U c
3 answers
asked by
Pls help
485 views
Suppose U = {1,2,3,4,5,6,7,8}, Is the Universal set, and P = {1,3,5,7}, What is P
A) {2,4,6,8} B) {1,2,3,4,5,6,7,8} C) {1,3,5,7}
4 answers
asked by
Morrrrrrrria
1,011 views
Write a negation for the following statement:
For all x , if x ∈ A ∩ B then x ∈ B.
1 answer
asked by
Mark
412 views
List the elements of the set in roster notation. (Enter O for the empty set.)
{x | 7 - x = 6 and x is an integer}
1 answer
asked by
Terry
1,190 views
If n(B) = 13, n(A ∪ B) = 20, and n(A ∩ B) = 5, find n(A).
1 answer
asked by
corey carter
254 views
Let A = \{5, 7, 9\}; B =\ x|x; an even whole number less than 11), C = \{6, 8, 10, 12\} and D=\ x| xi! an odd whole number less
3 answers
asked by
Mira Free
36 views
Let A = \{5, 7, 9\}; B =\ x|x; an even whole number less than 11), C = \{6, 8, 10, 12\} and D=\ x| xi! an odd whole number less
3 answers
asked by
Mira Free
41 views
Let A = \{3, 5, 7\}; B =\ x|x is an even whole number less than 11), C = \{2, 8, 10, 12\} and D =\ x|x is an odd whole number
3 answers
asked by
Mira Free
31 views
Let A = \{1, 5, 7\} ,B=\ x|* is an even whole number less than 11), C = \{4.6 * 0.8 * 0.12\} and D=\ x| xis an odd whole number
3 answers
asked by
Mira Free
32 views
Draw a Venn diagram to represent the union and intersection of the sets below.
L = \{A, B, C, - 1, 1, cow, pig\}; M = \{- 1, 2,
3 answers
asked by
Mira Free
36 views
Find the intersection. \{3, 5, 7, 9\} cap\ 4,6,8\
3 answers
asked by
Mira Free
21 views
Let S={1,2,3} be a sample space
How many subsets of S contain the number 3? How many subsets of S contain either the number 2 or
2 answers
asked by
Daisy
529 views
Given A={1,2,3} and B={2,{3}}. Determine whether each of the following statements is TRUE or FALSE.
a) ∅ C B b) B C A c) {3} C
1 answer
asked by
roze
368 views
Let A and B be subsets of a universal set U and suppose n(U)=210, n(A)=100, n(B)=60, and n(A∩B)=30. Compute n(Ac∩Bc).
80 150
1 answer
asked by
Kal Jay
857 views
Let A, B, and C be subsets of a universal set U and suppose n(U)=100, n(A)=30, n(B)=30, n(C)=32, n(A∩B)=9, n(A∩C)=10,
1 answer
asked by
Kal Jay
914 views
Let A={2, 4, 6, 8} and B={2, 3, 5, 7, 9}. Compute n(A).
17 14 5 8 4 1 Please help thank you
4 answers
asked by
Kal Jay
469 views
{a, c} € {a, b, c}
How do you get the answer? Thank you
1 answer
asked by
Kal Jay
244 views
Arbitrary union of closed set is closed Prove or disprove
1 answer
asked by
Neha
454 views
prove that (A ∪ B)* = A*(BA*)*
1 answer
asked by
Denial
368 views
you have two boxes of colored pens. the first box contains a red pen, a blue pen, and a green pen. the second box contains a
7 answers
asked by
susssy baaaka
123 views
I need to show that (0,1) and (10, infinity) have the same cardinality. Can I use similar triangles with open intervals? For
1 answer
asked by
Marie
389 views
Prove that (A ∩ B) ∪ C= A ∩ (B ∪ C) if and only if C ⊆ A. I really need some help on structuring the proof!
1 answer
asked by
Mimi
447 views
Consider the subsets of R defined as follows: An is the interval (0,1/n) for all natural numbers. Show that:
U (union) n=1 to
1 answer
asked by
Lola
508 views
in a class of 60 student,26 offer mathmatic and 28 offer physics if 8 student do not offer any of the two subject
(1)how many
2 answers
asked by
toluwase
540 views
In a group of 65 people,40 like cricket,10 like both cricket and tennis.How many like tennis only and not cricket?How many like
3 answers
asked by
Nitu moni
518 views
A sample of 200 voters revealed the following about the three candidates A,B and C.28 were in favour of both A and B.98 in
1 answer
asked by
Grace
855 views
Please help me solve these using interval notations?
C equals {w|w > 1} D equals {w|w greater than less than 5}
3 answers
asked by
Tika
401 views
Let A = {a, b} and list the four elements of the power set P (A). We consider the operations + to be ∪, · to be ∩, and
1 answer
asked by
excel
608 views
Let A = {a, b} and list the four elements of the power set P (A). We consider the operations + to be ∪, · to be ∩, and
2 answers
asked by
excel
522 views
Giving that
A={1,2,3,4}find (a).p{a} (b). n[p(a)]
3 answers
asked anonymously
13 views
Giving that U={1,2,3,4,5,6,7,8,9,10} p={1,2,4,6,10} Q={2,3,6,9}
Find (a). PUQ (b). PNQ (C).p'UQ' (d).n[pUQ] (e).p'nQ'
3 answers
asked anonymously
21 views
Simplify(X U Y U Z) n (X U (Y n Z))
1 answer
asked by
Shanu
371 views
List all the subsets of the given set.
(seal, yak, goat} Choose the correct answer below. O A. Ø, (seal), {yak}, {goat), (seal,
3 answers
asked by
Mira Free
46 views
List all the subsets of the given set.
(seal, yak, goat} Choose the correct answer below. O A. Ø, (seal), {yak}, {goat), (seal,
3 answers
asked by
Mira Free
46 views
List all the subsets of the given set.
(seal, yak, goat} Choose the correct answer below. O A. Ø, (seal), {yak}, {goat), (seal,
3 answers
asked by
Mira Free
53 views
Write the set in set-builder notation.
{1,3,5,7,9,11,13,15} Choose the correct answer below. OA. {x |x is odd, x is a natural
3 answers
asked by
Mira Free
49 views
Let A = \{5, 7, 9\}; B=\ x| xis an even whole number less than 11), C = \{2, 4, 6, 12\} and D=1x| xis an odd whole number less
3 answers
asked by
Mira Free
49 views
Let S be a non-empty subset of the real numbers that is bounded below. Define −S
by −S = {− x | x ∈S }. Prove: (i) −S
1 answer
asked by
Ashley
508 views
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