Suppose set A = {green, blue, red} and set B = {gray, purple, blue} (a) What is A ∪ B? (b) What is A ∩ B?

Q: Are the sets equal? A={17,18,18,19,19,19,20,20,20,20} B={20,19,18,17} Yes No

A: Given SetsA={17,18,18,19,19,19,20,20,20,20} andB={20,19,18,17}

Q: If n(A) = 66, n(B) = 21, and n(A ∩ B) = 9, find n(A ∪ B)

A: n(A)=66n(B)=21n(A∩B)=9n(A∪B)=n(A)+n(B)-n(A∩B)

Q: Let J={1,2,3,…}, the set of counting numbers and let R be the set of real numbers. Is R-J countable?…

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Q: 33. Write (2, 4, 6, 8) in set-builder notation.

A:

Q: Let set A = { Bill, Sarah, Courtney, Becca }. Let set B = {English, Spanish, French, German}. Let…

A: (a)

Q: Let A = {1, 3, 5, 7, 9}, B = {3, 6, 9}, and C = {2, 4, 6, 8}. Find each of the following. (Express…

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: If n(A ∪ B) = 97 and n(A) = n(B) = 66 find n(A ∩ B).

A: Given, n(A ∪ B) = 97 and n(A) = n(B) = 66

Q: In a group of people, 68 people can speak English, 45 people can speak in Arabic and 19 people can…

A: It is given that 68 people can speak English, 45 people can speak Arabic and 19 people can speak…

Q: Is this true or false and why : ∅ ⊆ {1}

A: Given: It is given that ϕ⊆1. To find: We have to determine whether the given statement is true or…

Q: How do the concepts of duality and the golden rectangle relate (Write at least 7 sentences)? Give at…

A: Given below clear explanation

Q: A universal set U with 156 elements has been partitioned into three subsets, A, B, and C. If B is 5…

A:

Q: If n(A) =130, n(B) =135, and n(A ∪ B) =250, what is n(A ∩ B)?

A: According to the given information in this questionWe are going to find n(A and B)

Q: 3,10,15)=(0,3,10,15) is statement true or false

A: we have to slove above question (3,10,15)=(0,3,10,15) is statement true or false

Q: Dots and dashes can be used to represent symbols (Ex: C = -.-. ,Q = --.-). How many symbols could we…

A: We have two characters: dots and dashes. We must represent every symbol using just dots and dashes.…

Q: If then and ui

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

A: From the given information, The universal set U with 66 elements has been partitioned into three…

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: If n(A) = 45, n(B) = 17, and n(A ∩ B) = 2, find n(A ∪ B)

A: Thanks for the question :)And your upvote will be really appreciable ;)

Q: 5) r + 5 ≤ 11 + + + + -1 0 1 2 3 4 5 6 7 8 9

A:

Q: A universal set U with 48 elements has been partitioned into three subsets, A, B, and C. If B is 5…

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Q: 3) n + 5 > −3 : -10 -8 -6 T + -2 + 0

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Q: Working on Set operations and Ven diagram Help needed to understand this problem: If n(A)=28,…

A: To determine the number of elements in the set A' union B using the given information.

Q: What is (5, 7) N (6, 8]? What is (5, 7) U (6, 8]?

A: Solution: The given sets are

Q: а) За — 5 <7х +7 -6 –5 –4 –3 –2 – 1 2 3 4 6.

A: Given that:

Q: (A\B) ∪ (A\C) =  A={5, 6, 7, 8, 9}   B={6, 7} C={8, 9}

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Q: Answer 5-8 based on the table below. Yes No Teachers 12 20 Students 45 23 5) P(teacher | yes) 6)…

A: