5. Given R ={(1,1), (1, 3), (2, 1), (2,2), (2, 3), (3, 1)} on {1,2,3,4}. Thus, R is reflexive.A. TrueB. False

Given problem :- Given R = {(1,1), (1, 3), (2, 1), (2,2), (2, 3), (3, 1)) on {1,2,3,4). Thus, R is…

Answered: 5. Given R ={(1,1), (1, 3), (2, 1),…

Algebra and Trigonometry (6th Edition)

6th Edition

ISBN:9780134463216

Author:Robert F. Blitzer

Publisher:Robert F. Blitzer

ChapterP: Prerequisites: Fundamental Concepts Of Algebra

Section: Chapter Questions

Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...

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3) Compute A-1 using adjoint. -1 -2 -3 -4] 1 2 3 Let A = 5 1 0 0
-8 1 4] 7, then prove that A = A" . -8 4 7. If A = 4 4 1
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2. In a freshman class of 60 students, there are 30 who enjoy dancing, 10 who enjoy acting, 39 who enjoy singing. There are 15 students who enjoy both dancing and singing, 5 who enjoy both dancing and acting, 20 who enjoy singing only and not dancing nor acting. Only four students enjoy dancing, singing and acting. Give the exact values for the following questions and show your solution. Let =set of all freshmen, D=set of freshmen who enjoy dancing, A=set of freshmen who enjoy acting, S=set of freshmen who enjoy singing. For each item below, express the set whose cardinal no. is needed in terms of the sets D, A and S. a) How many students enjoy both acting and singing? b) How many students enjoy acting or enjoy singing? c) How many students enjoy dancing and singing but not acting? d) How many students enjoy dancing only?
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PLEASE TYPE THANK YOU!!!
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10.) Human blood can contain the A antigen, the B antigen, both the A and B antigens, or neither antigen. A third antigen, called the Rh antigen, is important in human reproduction, and may or may not be present in an individual. A person's blood type is A-positive if the individual has the A and Rh antigens, but not the B antigen. The blood type is AB-negative if the person has the A and B antigens, but not the Rh antigen. An individual with only the Rh antigen has blood type O- positive. Other blood types are defined in a similar manner. In a certain hospital, the following data were recorded: 25 patients had the A antigen 8 patients had the A antigen and not the B antigen 27 patients had the B antigen 22 patients had the B antigen and the Rh antigen 30 patients had the Rh antigen 12 patients had none of the antigens 16 patients had the A antigen and the Rh antigen 15 patients had all three antigens (a) How many patients were represented in this survey? (b) How many patients had…
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9. Please box all answers
suppose that five service customers need service call and the maintenance worker can only service three of them each morning, the customers dont care when are serviced as long as it is before noon, so the dispatcher does not care who is serviced first, second or third. find the number of ways in order of which these customers would be served

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5. Given R ={(1,1), (1, 3), (2, 1), (2,2), (2, 3), (3, 1)} on {1,2,3,4}. Thus, R is reflexive. A. True B. False