If |A| = 10 and |B| = 11, what is |AU B|+|A^ B|?

Q: Problem 4 Let A, B, and C be sets. Use the facts that the Symmetric Difference is associative and…

A: are sets.

Q: Let A, B and C be sets. Prove that Ax (B-C) = (A x B) - (AXC).

A: As per our guideline, we are supposed to solve only first question. Kindly repost other question as…

Q: Problem 2 Let A, B, and C be sets. 1. By means of an example show that AUC=BUC does not necessarily…

A:

Q: You have a fixed amount of window trìm for a particular window. The window is a rectangle topped by…

A:

Q: If Si and S2 are convex sets, is their union S1 U S2 a convex set. Explain your answer.

A: The union of two convex sets is not convex.

Q: Let A and B be sets. For each statement below, determine if it is true or false. If true, prove the…

A:

Q: Mr. Assan had 492 tickets left after the movie. He started with 2, 009 tickets. How many tickets did…

A: Given, No of tickets Assan have=2009 No of tickets left=492 No of tickets sold=?

Q: 1. Let A = [1, 3], B = (2, 5], and C= {2}. Write the inequalities (or equalities) that specify each…

A: We will just use of definitions of different type of sets

Q: (1) Problem 4 from Section 4.1: "Let, A, B, C be sets. Write the following in “if... then" format…

A: Let A,B,and C be sets. First we need to write following statements in "If , then" format,  Then, To…

Q: Problem 4 from Section 4.1: "Let, A, B, C be sets. Write the following in “if... then" format and…

A: The sets A, B, and C are given. We have to prove that (a) x∈B is a sufficient condition for x∈A∪B.…

Q: Three hermit crabs at a pet store cost $21.75. If each hermit crab, h, costs the same amount, which…

A: Given that 3 crabs costs $21.75

Q: Problem 6. Use any method to show that for all sets A and B ((AUB) - A) = A

A:

Q: Describe the type of intersection that exists, then, determine the intersection.

A: First find row reduced eclone form then calculate intersection.

Q: Suppose that you have two sets, and you know that both sets are convex. Proven that the intersection…

A: convex set is a set of points such that, given any two points x,y in that set, the straight line…

Q: Prove or disprove: If A, B, and C are sets, then A × (B − C) = (A × B) – (A × C).

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Q: A plumber charges a service fee of $75 and a hourly rate (h) of $45. Which equation represents the…

A: The variable charge for 45 hour as per the condition is 45h.

Q: Answer the questions with Yes or No, and then explain why yes or why not. Justify your answer. Does…

A: The equality A∪B=A+B is not always true for every sets A and B. It is true only when A and B are…

Q: Decide if the given ordered pair is a solution of the inequality Yes or no 1-5

A:

Q: 2. Every retract of P has the relational fixed point property.

A: To prove that every retract of an ordered set P with the relational fixed point property also has…