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Set Theory
Page 3
Questions (693)
In a group of 40 students, all students study maths, 28 study biology and math, 20 students study geography and maths and x
4 answers
asked by
Shian
1,604 views
If n (U) = 16, n (A) = 7 and n (B) = 12, Find:
a) n (A') b) n (B') c) greatest n (A n B) d) least n (AUB)
7 answers
asked by
Amelia
1,072 views
Find the number of elements in A1∪A2∪A3, supposing that there are
103 elements in A1, 992 elements in A2, 10011 elements in
5 answers
asked by
Connor
1,752 views
Consider the set of integers greater than -2 and less than 6. A subset of this set is the positive factors of 5. What is the
7 answers
asked by
Angie
3,901 views
In a class the number of students who study French or Geography is 40, 20 study both subjects and the number that study French
4 answers
asked by
Deborah
1,127 views
Suppose U={1,2,3,4,5,6,7,8,9,10} is the universal set, and P={1,4,9}. What is P'?
A. {2,3,5,6,7,8} B. {2,4,6,8} C.
4 answers
asked by
Anonymous
2,824 views
Is the set V={3,5,7} closed under addition or not closed under addition? Explain why or why not or show a counterexample.
4 answers
asked by
Andrea
1,262 views
If n(AuBuC)=12 and n(AuB)=8,find n(A'nB'nC). Solution n(A'nB'nC)=12 -8 =4
4 answers
asked by
Vin Mwale
1,828 views
U is the set of positive integers less than or equal to 30. A is the set of natural numbers that are multiples of 5 in U. B is
2 answers
asked by
Lucas
1,296 views
what is the proper subset for 13, 14, 15
3 answers
asked by
Anonymous
1,248 views
n is the set of integers that are greater than or equal to -1 and less than or equal to 2 write the set in roster form.
I am
2 answers
asked by
Lu Lu
923 views
Given A = {5, 6, 7}, B = {3, 4, 5, 6}, and C = { 4, 5, 6, 7}. Evaluate each set
A �¿ B b) A U C c) B U C d) (A U B) �¿ C e) A
3 answers
asked by
seeq
358 views
2. In a class of 48 students, 24 of them do Arts, 22 do Chemistry and 20 do Biology. All the students do at least one of the
3 answers
asked by
Freezer
130 views
Out of 65players 11play basketball only,33play cricket only.if the num of cricket players is twice the num of basketball
4 answers
asked by
Jonika
1,536 views
The Problem:
Create three sets P, Q and R such that: P ∩ Q = P P ∩ R =empty set Click for more options Q ∩ R has exactly 3
3 answers
asked by
V
1,610 views
calculate the elements of set B if it has 254 subsets
3 answers
asked by
value
719 views
Let the Universal Set, S, have 136 elements. A and B are subsets of S. Set A contains 34 elements and Set B contains 98
4 answers
asked by
Daniel
1,328 views
Let U= {1,2,3, . . .},
A= {1, 2, 3, . . . ., 39}. use the roster method to write the set A' Find A' =
3 answers
asked by
Ashley
1,048 views
Perform the given set operation. Let
U = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10}. {1, 2, 3, 4, 5} ∩ {2, 3, 4, 5, 6}
4 answers
asked by
lisa
431 views
Determine whether there is a one-to-one correspondence between the two sets. {Mon, Tue, Wed} and
{Oct, Nov, Dec}
3 answers
asked by
Anonymous
878 views
Given that E=(All the letter of the alphabet)
X=(A,E,I,O,U) Y=(E,D,C,D,F,H) Find XnY' and (XnY)
2 answers
asked by
Solihat
53 views
In a class of 55 students in a certain school ,34 like oranges ,26 like bananas and 5 of them like none.how many students like
1 answer
asked by
Taiwo
79 views
In a class of 40 student, a student can study french or history or both , if 20 study french , 23 study history and 7 study
2 answers
asked by
Franklin
220 views
The set containing 1,2 and 3 are a proper subset of set g
1 answer
asked by
ronald
259 views
Choose the correct solution in roster form: Suppose X = {1, 2, 3, 4, 5, 6 } is the universal set and P =
{2, 4, 6}. What is P’?
4 answers
asked by
z
486 views
Let U = {1, 2, 3, 4, 5, 6, 7}, A = {1, 2, 3, 4}, B = {1, 2, 5, 6}, and C = {3, 5, 7}. List all the members of the given set.
1 answer
asked by
Anonymous
405 views
Write M={1,3,5,7,9,11,13,15,17,19} in set builder notation
6 answers
asked by
William
2,855 views
Please Help!!!! thanks :)
1. Suppose U= {1,2,3,4,5,6,7,8,9,10} is the universal set, and P= {2,4,6,8,10}. What is P'? a:
4 answers
asked by
Cupcake
1,959 views
Find the intersection of the sets A = {3, 4, 7, 9, 13} and B = {3, 7, 10, 13, 17}.
null set {3, 7, 13} {3, 4, 7, 9, 10, 17} {3,
3 answers
asked by
Sara
1,018 views
(3,5,7,9,11)U(3,6,9,12,15)would be correctly expressed as
3 answers
asked by
darcel
1,006 views
A = {distinct letters in the word miss}
B = {15} C = {m, i, s} D = {2 + 1} E = {three} F = {3} What is the cardinality of each
3 answers
asked by
lisa
918 views
In a class of 29 children, each of 20 children has a dog and each of 15 has a cat. How many of the children have both a dog an a
2 answers
asked by
John
576 views
There are 30 students in a math class. 12 belongs to the computer club and 8 belongs to the photograph club. three belongs to
4 answers
asked by
Duce
708 views
give an example of a set which has just two elements; one element; no elements; an infinite number of elements.
3 answers
asked by
kikay
479 views
Decide whether or not the set is closed under addition.
{0, 1} A) Closed B) Not closed
3 answers
asked by
Annonom
2,100 views
Suppose U = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10} is the universal set, and P = {2, 4, 6, 8, 10}. What is upper P superscript
3 answers
asked anonymously
97 views
#1: Prove or provide a counterexample:
For all sets A, B, C, if A is subset of B and B is a subset of C^c (complement of C), then
1 answer
asked by
David
328 views
Prove or provide a counterexample:
For all sets A, B, C, if A is subset of B and B is a subset of C^c (complement of C), then A
4 answers
asked by
David
429 views
1. Let P = {4, 5, 6, 7, 8}, Q = {5, 6 ,7}, and R = {1, 2}.
Find P U Q. a. {1, 2, 4, 5, 6, 7, 8} b. {5, 6 ,7} c. {4, 5, 6, 7, 8}
4 answers
asked by
kaitlin55
357 views
For this exercise, let A and B be subsets of a universal set U and suppose n(U)= 200, n(A)= 100, n(B)= 80, and n (A∩B)=40.
3 answers
asked by
lijm
642 views
In a class of 45 students 28 offer chemistry and 25 offer biology. If each student offer at least one of the two subjects how
5 answers
asked by
Ayoubah Dukuly
1,014 views
Suppose U={1,2,3,4,5,6,7,8}is the universal set and P={1,2,3,4}. What is P?
4 answers
asked by
zwgz123
2,056 views
Let A= {3, 7, 2}.
List all the subsets of A
4 answers
asked by
Zoe
1,505 views
Class of 20 students, 13 play soccer, 8 play tennis and 2 play neither.
Find how many students a) Play soccer or tennis b) Play
4 answers
asked by
Annie
2,045 views
suppose U= {1,2,3,4,5,6,7,8} is the universal set and P= {2,4,6,8}. What is P?
A: {{1,3,5,7} B: { }
11 answers
asked anonymously
38 views
suppose U= {1,2,3,4,5,6,7,8} is the universal set and P= {2,4,6,8}. What is P
5 answers
asked anonymously
59 views
U= {1,2,3,4,5,6,7,8}, A={1,3,5,7} and B={4,5,6}
A⊆B True or false
5 answers
asked anonymously
23 views
U= {1,2,3,4,5,6,7,8}, A=(1,3,5,7}, and B={4,5,6}
B⊆U true or false
3 answers
asked anonymously
30 views
Given P(A) = .70, P(B) = .30, and P(A ∩ B) = .00, find (a) P(A ∪ B) and (b) P(A | B).
(c) Sketch a Venn diagram and describe
3 answers
asked by
James
979 views
From a survey of 100 college students, a marketing research company found that 70 students owned iPhones, 35 owned cars, and 25
3 answers
asked by
MONICA
530 views
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