How many elements are in the set S = {∅, x, y, {x}, {{y}}, {x, {y}}, {x, {x}, {{y}}}}

Q: 4. Let B = {1, 2, 3, 4, 3, 2, 1}. What is |B|?

A: We will solve the following

Q: 3. Given the set A=(3,6,9, 12) B=(2,4,6,8, 10, 12) U= {1, 2, 3, 4, 5, 6, 8, 9, 10, 12) a. Find: i. A…

A:

Q: Let A= {1, 2, 3, 4, 5} and B = {∅}. Find A ∪ B.

A:

Q: f A= {1,2,3,4,5,6,7,8}    B= {1,2,3,4,5}    C= {7,8,9,10}    U= {1,2,3,4,5,6,7,8,9,10} What is A∩

A: INTRODUCTION: The group of members that both of the supplied sets have in common is known as an…

Q: Let V = { a, e, i, o, u } andB = { a, i, k, u}. Find V – B and B – V

A: V-B= elements those lie in V but not in B  Hence, V-B={e,o}

Q: How many subsets does the set X = {r, s, t, 10, 20, 15} have? %3D

A:

Q: Let U = {0,1,2,3,4,5,6,7,8,9,10}; A down the elements in the following sets. (a) AUB (b) BUC (c) BC…

A: Let .To write the down the elements  in the following sets.Note: Since, the student has posted a…

Q: Let  U = {7, 8, 9, 10, 11, 12, 13, 14, 15, 16},   A = {7, 9, 11, 13, 15},   B = {8, 10, 12, 14,…

A: Given the universal set is U=7, 8, 9, 10, 11, 12, 13, 14, 15, 16. The sets A, B and C are as…

Q: b. How many elements are in the set {a, {a, b}, {a} }? C. For each positive integer x, let A1` =…

A: Use the definition of set and its elements to solve this problem as in next step.

Q: 2. If A = {a, b, c}, B = {1,2, 3}, C = {r}, and D = 0, list all of the elements in each of the…

A: Cartesian product of sets

Q: What is (A∪B)c where A={5,11,3,8,9} , B={99,5,11,2,4} and Universal Set…

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Q: d) The set E = (-1,0) U (0, 1] is an open set. %3D

A: Given set is E = (-1, 0) ∪ (0, 1]

Q: A universal set U with 66 elements has been partitioned into three subsets, A, B, and C. If B is 2…

A: We use the definition of the size of a set to find the number of elements in the set B. The size of…

Q: 2. Let, A = { 1,2,3,4 }, B = { a,b,c,d }, C = { x,y,z }, R= { (1,a),(2,d),(3,d),(3,b),(3,d) },S = {…

A:

Q: Let U = {0,1,2,3,4,5,6,7,8,9,10}; A down the elements in the following sets. (a) AUB (b) BUC (c) BC…

A: Note: According to the guidelines we are allowed to solve three subparts at a time. Please post rest…

Q: 1. How many ways can you choose 4 numbers from the set p = {4, 6, 8, 10, 12} or 3 numbers from the…

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Q: Determine whether each of these pairs of set are equal 1 (5,6,7,8,9,10) (1,2,3,3,4,4) = 2.…

A: We know that two sets A and B can be equal only if each element of set A is also the element of the…

Q: Use sets U = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10}, A = {2, 3, 7, 8), and B = {3, 4, 5, 6, 7, 9, 10) to…

A:

Q: 2. U={1, 2, 3, ., 7, 8, 9, 10} A = {2, 4, 6, 8, 10 } B ={2, 3, 4, 5 } C= {6, 7, 8, 9 } Where A, B,…

A:

Q: LetD=​{16​,19​,21​}, E=​{16​,18​,19​,20​} and F=​{15​,17​,18​,19​,21​}. List the elements in the…

A: LetD=​{16​,19​,21​}, E=​{16​,18​,19​,20​} and F=​{15​,17​,18​,19​,21​}.   List the elements in the…

Q: O= {-32, -8, -2, -1, 1, 4, 16, 64) N= {1.2.4.8} u- -32, -8, -2, -j, 1, 2, 1002, 8, 1004, 10003, 64)…

A: Here, We are answering first four part of the question,We have given set is as follows:

Q: 15. consider the following sets: U={-5,-4,-3,-2,-1,0,1,2,3,4,5}; A={x: x^2=25}…

A:

Q: U = {1, 2, 3, 4, 5, 6, 7, 8, 9} A= {2, 3, 5, 8} B = {1, 3, 5, 7, 9} C = {3, 5} D is a set containing…

A:

Q: Let A = {2, 3, 5, 6, 8} , B = {2,6, 7,8} C= {0, 1, 2, 4, 5, 7}. %3D %3D List the elements of the…

A: Given that  The set of values  To find the following