Questions on Logic: Sets and operations answered by real tutors!

Tutors Answer Your Questions about sets-and-operations (FREE)

Question 843577: Let U = {5, 6, 7, 8, 9, 10, 11}, A = {5, 6, 7, 8}, B = {5, 6, 9, 10}, and C = {7, 9, 11}.
List all the members of the given set. (Enter your answers as a comma-separated list.)
(A ∪ B) ∩ C
Click here to see answer by ewatrrr(24785)

Question 843615: Express in set builder notation
A={1,2,3,4,5,6,7,8,9,}
Click here to see answer by richard1234(7193)

Question 844491: Let U = {5, 6, 7, 8, 9, 10, 11}, and A = {5, 6, 7, 8}. List all the members of the given set. (Enter your answers as a comma-separated list. Enter EMPTY for the empty set.)
_
A

Click here to see answer by Fombitz(32388)

Question 844599: Let U = {2, 3, 4, 5, 6, 7, 8}, A = {2, 3, 4, 5}, B = {2, 3, 6, 7}, and C = {4, 6, 8}. List all the members of the given set. (Enter your answers as a comma-separated list.)
A ∪ (B ∩ C)

Click here to see answer by KMST(5328)

Question 844627: What is the intersection of the sets. {k,x,c,b}upsidedown u and empty sign.
Click here to see answer by Fombitz(32388)

Question 845574: u={1,2,3,4,5,6,7,8}
A={1,2,4,5,7}
B={2,3,5,6}
(A ∪ B) ∩ (A ∪ B)
Click here to see answer by josgarithmetic(39617)

Question 845955: A={I,c,e} B= {H,o,c,l,e,y} C= {c,u,r,l,i,n.g}

Create label and place elements venn diagram for ABC
Click here to see answer by Fombitz(32388)

Question 848474: Perform the given set operation.
Let U = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10}.
(Enter your answers as a comma-separated list. Enter EMPTY or � for the empty set.)
{1, 4, 6} ∪ {2, 5, 7}
{_____________}
Click here to see answer by ewatrrr(24785)

Question 848472: Consider the sets X and Y. Write the statement in symbols.
The complement of the intersection of X and Y

Click here to see answer by ewatrrr(24785)

Question 852274: what are the operations used to get to 108 using digits from 1 to 9

Click here to see answer by Edwin McCravy(20054)

Question 854669: suppose that all possible card selections are equally likely, what probability should be assigned to each selection?
Find the probability that you choose a face card.(j,q,k,a)
Find the probability that you choose a black card, spade or club.
consider the events" draw a face card and draw a 5 or smaller'. Are these events overlapping or disjoint? explain
Find the probability of drawing a red card or a spade.
Click here to see answer by Theo(13342)

Question 854691: A survey was conducted at a local ballroom dance studio asking students if they had ever competed in the following dance categories:
A: Smooth
B: Rhythm
C: Standard
The results were then presented to the owner in the following Venn Diagram.
46 is Smooth ONLY (NOT RHYTHM, NOT STANDARD)
36 is Rhythm ONLY (NOT SMOOTH, NOT STANDARD)
11 is Standard ONLY (NOT SMOOTH, NOT RHYTHM)
40 is Smooth and Rhythm ONLY (NOT STANDARD)
22 is Smooth and Standard ONLY (NOT RHYTHM)
16 is Rhythm and Standard ONLY (NOT SMOOTH)
47 is Smooth,Rhythm,Standard (ALL THREE)
17 is none

Click here to see answer by Edwin McCravy(20054)

Question 854789: A number is selected at random from the set {2, 3, 4, � 10}. Which event, by definition, covers the entire sample space of this experiment?
The number is greater than 2.
The number is not divisible by 5.
The number is even or less than 12.
The number is neuther prime nor composite.
The square root of the number is less than 3.

Is it the first only? Thats the only one I can think of.
Click here to see answer by richwmiller(17219)

Question 856309: Suppose Set A contains 87 elements and Set B contains 30 elements. If Sets A and B have 21 elements in common, what is the total number elements in either Set A or Set B.
Click here to see answer by stanbon(75887)

Question 861157: Perform the given set operation. Let U = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10}. (Enter your answers as a comma-separated list. Enter EMPTY for the empty set.)
{1, 5, 6} ∪ {5, 6, 10}
Click here to see answer by Fombitz(32388)

Question 861549: Hello im studying sets and logic and i need help with some problems im not getting.

1.Let U =(a,g,k,q,j) A=(a,q,j) B=(k,q) C=(a,j) find A-B
2.let n(A)=20, n(B)=35, and n(A∩B)=4. Find n(A∪B)

Click here to see answer by richard1234(7193)

Question 861633: on checking with 100 students, it is found that 80 take mathematics, 37 take English and 22 take both, how many are taking only English?
Click here to see answer by richard1234(7193)

Question 861436: Let A = {June, Janet, James, Justin, Jeffrey, Jelly}, B = {Janet, Jelly, Justin}, and C = {Sally, Solly, Molly, Jolly, Jelly}. Find the given set.
C ∩ B

Click here to see answer by Fombitz(32388)

Question 864484: A poll was taken of 100 students at a commuter campus to find out how they got to campus. The results were as follows:
32 said they drove alone.
27 rode in a carpool.
28 rode public transportation.
6 used both carpools and public transportation.
7 used both a carpool and sometimes their own cars.
8 used public transit as well as their own cars.
4 used all three methods.
How many used none of the above-mentioned means of transportation?
Click here to see answer by richwmiller(17219)

Question 864507: Let U = {4, 5, 6, 7, 8, 9, 10}, A = {4, 5, 6, 7}, B = {4, 5, 8, 9}, and C = {6, 8, 10}. List all the members of the given set. (Enter your answers as a comma-separated list.)
A ∪ (B ∩ C)

Click here to see answer by Fombitz(32388)

Question 864537: Perform the given set operation. Let U = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10}. (Enter your answers as a comma-separated list. Enter EMPTY for the empty set.)
{2, 3, 8} ∪ {3, 8, 10}
Click here to see answer by Fombitz(32388)

Question 864604: 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. (Enter your answers as a comma-separated list.)
A ∪ (B ∩ C)
Click here to see answer by jim_thompson5910(35256)

Question 865461: Let U = {7, 8, 9, 10, 11, 12, 13}, A = {7, 8, 9, 10}, B = {7, 8, 11, 12}, and C = {9, 11, 13}. List all the members of the given set. (Enter your answers as a comma-separated list.)
(A ∪ B) ∩ C
Click here to see answer by Fombitz(32388)

Question 866150: x={1234} y={2345} what is the intersection of sets x y and z

Click here to see answer by richard1234(7193)

Question 866132: Perform the given set operation. Let U = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10}. (Enter your answers as a comma-separated list. Enter EMPTY for the empty set.)
{2, 3, 7} ∩ {3, 7, 8}
Perform the given set operation. Let U = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10}. (Enter your answers as a comma-separated list. Enter EMPTY for the empty set.)
{3, 8, 9}
Perform the given set operation. Let
U = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10}.
(Enter your answers as a comma-separated list. Enter EMPTY for the empty set.)
{x | x is a multiple of 2} ∪ {x is a multiple of 9}
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. (Enter your answers as a comma-separated list.)
A ∪ (B ∩ C)

Click here to see answer by Fombitz(32388)

Question 866574: {x | x is a multiple of 2} ∪ {x is a multiple of 7}
Click here to see answer by jim_thompson5910(35256)

Question 866730: universal set: U=(a,b,c,d,e,f,g,h,7,8,9,)
A=(b,7,d,g,h,)
B=(a,d,f,g,7,9,)
C=(e,g,7,h,)
a)represent infor on a venn diagram.

Click here to see answer by richwmiller(17219)

Question 861637: is the arguments valid? How
1. all athletes are in good shape. stan in in good shape.
therefore stan is an athlete.
2. Some philosophers are wicked. Some Greeks are philosophers.
therefore, some greek philosophers are wicked.
i started this problem but im not sure if im doing it right.
write a conclusion to make the argument valid.
3.if i take the bus, then i will not be early.
if i am not early then i will get fired.
therefore,
i have p therefore not q
not q IDK.
Click here to see answer by richwmiller(17219)

Question 861634: on checking 100 families, it is found that 80 subscribe to time, 37 to newsweek, and 22 to both magazines, how many subscribe to neither?
Click here to see answer by richwmiller(17219)

Question 861632: on checking with 100 cars, it is found that 80 have cd players, 37 have TV's and 22 take both, how many have cd's only?
Click here to see answer by richwmiller(17219)

Question 860588: Determine the sets A and B:

i. where A - B = {1, 3, 7, 11}, B � A = {2, 6, 8},
A ∩ B = {4, 9}
ii. where A - B = {1, 2, 4}, B � A = {7, 8},
A U B = {1, 2, 4, 5, 7, 8, 9}

Click here to see answer by richwmiller(17219)

Question 867909: Let U = {9, 10, 11, 12, 13, 14, 15}, A = {9, 10, 11, 12}, B = {9, 10, 13, 14}, and C = {11, 13, 15}. List all the members of the given set. (Enter your answers as a comma-separated list.)
A ∪ (B ∩ C)

Click here to see answer by Edwin McCravy(20054)

Question 871820: Perform the given set operation. Let U ={1,2,3,4,5,6,7,8,9,10}
{3,4,6} U {4,6,8}
Click here to see answer by richard1234(7193)

Question 871881: Sir plzzz tell me...
Set builder form of this set...
D= {(3,4,5); (5,12,13); (7,24,25)....}
Click here to see answer by richard1234(7193)

Question 871763: Perform the given set operation. Let U = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10}.(Enter your answers as a comma-separated list. Enter EMPTY or � for the empty set.)
{1, 2, 3, 4, 5} ∩ {3, 4, 5, 6, 7}
Click here to see answer by tommyt3rd(5050)

Question 874834: FIND THE SET A' U C'
U={1,2,3,4,5,6,7}
A={2,3,4,6}
C=1,2,4,5,6}

Click here to see answer by ewatrrr(24785)

Question 874971: a radio station surveyed 190 audience to determine the types of music they liked.the survey revealed that 114 liked rock music,50 liked folk music ,41 liked classical music and 11 liked classical music and folk music.5 liked all the three types of music. find (1) how many did not like any of the 3 types? (2) how many liked any two types only (3) how many liked folk music but not rock music
Click here to see answer by Theo(13342)

Question 877903: Construct a Venn diagram illustrating the following sets.
U = {a, b, c, d, e, f, g, h, i,j , k, l, m, n, o, p}
A = {a, e, i, o}
B = {b, c, d, f, g, h, j, k, l, m}
C = {a, b, c, d, e, f, g}
I dont understadn
Click here to see answer by richwmiller(17219)

Question 880202: if f(x+1)=2x+7 then f(-2) is
Click here to see answer by Fombitz(32388)

Question 881479: Good Day Hi mam/sir. can you help me answering those questions ?
Use both the roster and rule method to specify the sets of the following:
1. The counting numbers less than 25.
2. The fraction whose numerator is 1 and whose denominator is a multiple of 5.
3. The single even number greater than 0 but lessthan 10.
And please mam/sir explain to me how to solve that. So that, I will also learn. Thankyou ! Godbless
Click here to see answer by stanbon(75887)

Question 882991: If I give 2 weeks free rent to a tenant who pays fixed rent how long will it take me to recover the free rent?
Click here to see answer by JulietG(1812)

Question 883661: how to answer a set in college algebra

Click here to see answer by Alan3354(69443)

Question 883619: 5) construct a venn diagram containing the following sets..
U =( 1,2,3,4,5,6,..........15)
n =( 1,2,3,4,7,9,11)
o =(2,4,6,8,9,10,12)
L = ( 1.2,4, 4,8,9)
Click here to see answer by richwmiller(17219)

Older solutions: 1..45, 46..90, 91..135, 136..180, 181..225, 226..270, 271..315, 316..360, 361..405, 406..450, 451..495, 496..540, 541..585, 586..630, 631..675, 676..720, 721..765, 766..810, 811..855, 856..900, 901..945, 946..990, 991..1035