153 Answered Questions for the topic Sets

05/29/21

#### Find the union and intersections of sets B and C using interval notation.

I am completely lost. Please help:B = w <= 3C = w < 7

03/20/21

#### Negation with quantifiers

Q. Write down the negations of the following statements: a. Every news site reported on the Winter Olympics. b. There is some real number which is larger than any integer. c. For all nonzero real...
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Sets Precalculus

11/19/20

#### Which of the following is always true for any function with domain 𝐷, codomain 𝐶 and range 𝑅?

1)R⊆C2)R⊆D3)R = C 4)R = D

11/19/20

#### How many elements are contained in the set (1,5) \ {1}?

How many elements are contained in the set (1,5) \ {1}?

Sets

09/04/20

#### how to find these sets?

U= {a,b,c,d,e,f,g}A= {c,d,e,f}B= {d,e,g}what is:1. A'2. B'3. A∪B'4. B∩C'

05/12/20

#### Logics, Sets, Karnuagh Maps, Boolean Logic Customer Reviews

Let the universal set U be the following set of 16 countries: U = {Angola, Benin, Chad, Djibouti, Eritrea, Ghana, Kenya, Libya, Mali, Namibia, Rwanda, Sudan, Tanzania, Uganda,...
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Sets

01/18/20

#### All the sets possible

I can eat at USA, France and Italy i can eat at some all or none what are all the sets

Sets

08/19/19

#### If A intersection B' is null set prove that A is subset of B

About sets identities and proof of sets

Sets Algebra 2

07/14/19

#### How to rewrite, having trouble.

How to rewrite set G using elements G= y|y is an integer and 3≤Y<5

Sets Algebra 1

06/07/19

#### what is the subset of (1,3,5,7,and,9)

Sets Prealgebra

04/26/19

#### If there are 340 readers in a village and 700 males and 200 such people who are male readers find the total population of the village who is either a male or a reader

Sets Algebra 1

12/12/18

#### Algebra and sets math problem

Suppose A = {x |x ≤ −2, x ≥ 3} and B = {x | −1 ≤ x < 5}. Which statement is true?
A.-A ∪ B is all real numbers
B.-A ∩ B = ∅
C.-A' = {x | −2 ≤ x ≤ 3}
D.-B ⊆ {x | x ≤ 5}
NEED ANSWER QUICK

10/26/18

#### ii. How many three-letter codes are there using letters A, B, C, and D if no letter can be repeated?

Sets

08/17/18

#### Sets of whole numbers greater than 8

Indicate the the following set by the listing method.
Whole numbers greater than 8

Sets

07/16/18

#### A and B are disjoint sets and n(A)=6, number of elements in the union of the power sets of A and B is 71 find n(a union b)

N(a) represents the no. Of elements in set a

#### n(A intersection B) =0. I want to ask what the n here means

and if we’re given with a statement of union or intersection with this n then how do we find the conditio? Thank you

Sets

07/05/18

#### Question from chapter sets please answer it

In a group of 34 children each one play cricket or hockey or both of 16 can play criçket and 12 can play cricket only find how many play hockey only

Sets Set Theory

06/25/18

#### If A and B are subsets of the universal set U , then show that

A⊂B⇔A∪B=B , without the use of Venn-Euler diagram.

Sets Power Set

06/21/18

#### If n(A)=n, then what is the number of the non empty subsets of A.

What is the number of the non empty subsets of A, If n(A)=n?

Sets

06/15/18

#### In senior highschool, 35% of the students are girls. If there are 300 fewer girls than boys, find the total number of students in the school.

this is a problem solving of a set.

06/11/18

#### Sets involving fractions

A number of tourists were interviewed on their choice of means of travel. 2 thirds said that they traveled by road, 13/30 by air and 4/15 by both air and road.
How many tourists were...
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#### How do I prove that a set of closed sets is itself closed.

Hi, I have been asked the following but am struggling.
Let {Ωa : a ∈ I} be an arbitrary family of closed sets Ωa ⊆ Rd with an index set I. Prove that
∩ Ωa
a ∈ I
is a closed...
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