Friday

October 9, 2015
Number of results: 106,720

**algebra**

How many sets are subsets of set B? List the subsets of set B. Which are proper subsets? B= {1,2,3,4,5} would it be 5 subsets (1 for each number? the subsets would be 1,2,3,4,5 not sure about a proper subset
*May 10, 2010 by Kristi*

**Math**

How many subsets of a set with 100 elements have more than one element? The answer to your question is the number of all of the subsets minus the number of subsets with just one element. had do you find the perimeter and the area whats the measurment of b
*March 8, 2007 by eric*

**Math **

List the subsets of {P, N, D, Q}, where Q represents a quarter. How many subsets did you find?
*October 14, 2012 by Alivia*

**math**

How are the ideas of subsets and proper subsets used in counting to identify relationship between whole numbers?
*October 23, 2010 by tammy*

**math**

what are the subsets on -2.324 and the subsets for the square root of 46
*October 18, 2012 by Taylor*

**math subsets**

List all the subsets of {2, o, t}.
*May 17, 2009 by help*

**Math**

I'm new to this but.. how many subsets does a five element have. How many subsets does a set of six elements have?
*August 18, 2009 by Missy*

**Finite Math**

Sizes of disjoint subsets of a universal set. Assume that A and B are disjoint subsets of U, and that n(U)=95, n(A)=30,and n(B')=61. Find n(AB').
*September 6, 2011 by anonymous*

**Math**

To which subsets of the real numbers does the number √113 belong? is it irrational numbers? if there are anymore subsets this expression belongs to, please include it in your response.
*September 25, 2015 by Kaai97*

**math**

Given a set with n elements has 2^n subsets.Find the number of subsets for set A={2,3,5,7,11}.
*April 2, 2014 by mandy*

**algebra**

im having trouble with subsets.. name the subsets to which the numbers belong 3/4 0 -6 square root of 7 5
*September 17, 2012 by angie*

**Modern (Abstract) Algebra**

Let f:A->B, where A and B are nonempty Prove that f(S1 - f(S2) is a proper subset of f(S1 -S2) fo all subsets S1 and S2 of A. Give an example where there are subsets S1 and S2 of A such that f(S1) - f(S2) does not equal f(S1-S2)
*October 15, 2010 by dreww1961*

**Modern (Abstract) Algebra**

Let f:A->B, where A and B are nonempty Prove that f(S1 - f(S2) is a proper subset of f(S1 -S2) fo all subsets S1 and S2 of A. Give an example where there are subsets S1 and S2 of A such that f(S1) - f(S2) does not equal f(S1-S2)
*October 15, 2010 by dreww1961*

**Math**

3 questions if you can help me. 1. Calculate the number of subsets and the number of proper subsets for the set. {x|x is a day of the week} 2. Let U = {q, r, s, t, u, v, w, x, y, z} A = {q, s, u, w, y} B = {q, s, y, z} C = {v, w, x, y, z}. List the elements in the set. (A B...
*June 9, 2011 by Roger*

**Math**

3 questions if you can help me. 1. Calculate the number of subsets and the number of proper subsets for the set. {x|x is a day of the week} 2. Let U = {q, r, s, t, u, v, w, x, y, z} A = {q, s, u, w, y} B = {q, s, y, z} C = {v, w, x, y, z}. List the elements in the set. (A n B)...
*June 9, 2011 by Roger*

**math**

3)How mnay subsets of 6 integers taken from the numbers 1,2,3...,20 are there such that there are no consecutive integers in any subset (e.g. if 5 is in the subset then 4 and 6 cannot be in it)? This is a fairly challenging problem, what have you tried so far? There are 20 ...
*October 15, 2006 by Ali*

**Math**

I was to answer this question: How are the idea of subsets and proper subsets used in counting to identify relationships between whole numbers? Here is what I said: If A is a subset of B, a=b. If A is a proper subset of B, a<b. If A is a subset of B and B is a subset of A, ...
*June 4, 2009 by B.B.*

**math please helppppppp**

For a set of numbers T, we say that T has distinct subset sums if all distinct subsets of T have distinct sums. How many subsets of {1,2,3,4,5,6,7,8} have distinct subset sums? Details and assumptions The empty set (the set of no elements) has sum 0 by convention
*May 14, 2013 by Mathslover*

**math**

what are the subsets of S?
*January 28, 2010 by T*

**Math**

List all subsets for (m,a,t,h)
*February 20, 2009 by Paul*

**math**

List all the subsets of {2, o, t}.
*May 17, 2009 by help*

**math**

List all the subsets of {2, o, t}.
*May 17, 2009 by help*

**math**

Let C = {p, l, u, s}. How many proper subsets does C have?
*August 10, 2009 by Kim*

**math subsets**

what is the proper subset for 13, 14, 15
*April 23, 2011 by Anonymous*

**Math**

How many subsets does the set L = {5, 6, 7, 8} have?
*January 29, 2013 by Anonymous*

**College math 1**

All the 32 subsets for (x,y,z,u,v)
*June 3, 2013 by Adrian ,*

**Math**

what are thr proper subsets of (march,april, may)
*June 19, 2011 by Jamese*

**math**

Find a subset of R^2 which is not of the form AxB where A and B are subsets of R.
*January 28, 2013 by Jen*

**MATHS!!!Please HELP..:'(**

For a set of numbers T, we say that T has distinct subset sums if all distinct subsets of T have distinct sums. How many subsets of {1,2,3,4,5,6,7,8} have distinct subset sums?
*May 18, 2013 by PLEASE HELP~*

**Math 213 Elementary Math**

List all the subsets of {2, o, t}.
*August 4, 2009 by Shay*

**Math 213 Elementary Math**

1. List all the subsets of {2, o, t}.
*August 5, 2009 by Shay*

**Math**

One more question... how many subsets does a null set have?
*August 18, 2009 by Missy*

**Math**

suppose that W is a set which has 255 proper subsets. Determine the cardinality of w
*September 16, 2012 by Dakota*

**Maths**

For a set of numbers T, we say that T has distinct subset sums if all distinct subsets of T have distinct sums. How many subsets of {1,2,3,4,5,6,7,8} have distinct subset sums? Details and assumptions The empty set (the set of no elements) has sum 0 by convention
*May 14, 2013 by Mathslover*

**MATHS**

For a set of numbers T, we say that T has distinct subset sums if all distinct subsets of T have distinct sums. How many subsets of {1,2,3,4,5,6,7,8} have distinct subset sums? Details and assumptions The empty set (the set of no elements) has a sum of 0 by convention.
*May 17, 2013 by HELP!!*

**Math**

Determine the number of subsets of A={1,2,,10} whose sum of elements are greater than or equal to 28.
*March 24, 2013 by Carlos*

**Math**

Find the number of subsets of the given set. 4) {mom, dad, son, daughter} a. 16 b.14 c.12 d. 8
*March 15, 2010 by Lisa*

**math**

List all the subsets of S. You may use "C" for chocolate, "V" for vanilla, and "M" for mint. 1. {} 2. C 3. V 4. M 5. CV 6. CM 7. VC 8. VM 9. MC 10.MV 11. CVM Is this correct.
*April 15, 2010 by bb*

**math**

how many nonempty subsets does a set with ten elements have... my question is what is a non empty subset i know for regular its 2^n
*February 6, 2009 by math/subsets*

**math**

Without writing them all out, what is the number of subsets of set A ={king, queen, knight, prince, princess, duke}?
*July 7, 2011 by jesse*

**math**

Without writing them all out, what is the number of subsets of set A ={king, queen, knight, prince, princess, duke, earl}?
*April 6, 2011 by nette*

**MATH**

Without writing them all out, what is the number of subsets of set A ={king, queen, knight, prince, princess, duke, earl}?
*April 7, 2011 by Anonymous*

**Finite MAth**

Assume that the set S has 7 elements. How many subsets of S have at most 3 elements
*January 26, 2012 by Bryan*

**math**

If two sets are subsets of each other, what other relationships must they have?
*August 18, 2012 by mary*

**math**

Assume that the set S has 14 elements. How many subsets of S have at most 4 elements?
*September 15, 2010 by Laura*

**math213**

Let U = {u, n, i, t, e} FIND THE SUBSETS
*November 2, 2009 by brina*

**algebra**

what are the possible subsets of I={6,7}
*October 9, 2013 by Anonymous*

**math**

Without writing them all out, what is the number of subsets of set A = {tongue, ear, mouth, eye, nose, cheek, forehead, neck, shoulder}?
*February 20, 2011 by jasmine*

**math -subsets**

Let U = {x/x is a female} A = {x/x is a mathematician} B = {x/x owns a pickup} C = {x/x owns a dog} Describe in words a member of each of the following: ... _ (a) B (b) B U C (c) A - C
*May 18, 2009 by anonymous*

**math**

for a set of three elements find the number of different subsets of 2 elements.use row 3 of pascals triangle
*March 15, 2011 by jasmine*

**math**

A set has 256 subsets how many element has the set?
*January 16, 2013 by Boris*

**algerbra**

If n(A)= 8, then how many proper subsets does A have?
*September 13, 2008 by tom*

**Algebra**

List all the subsets of {m, a, t, h}.
*January 11, 2010 by Sandy*

**Algebra**

Let C = {p, l, u, s}. How many proper subsets does C have?
*January 11, 2010 by Sarah*

**mathematics**

If there are 18 elements in a set how many possible subsets of 6 can I get
*January 3, 2015 by joe*

**College Mathematics**

The number of proper subsets of set A are? When A= {1,3,5,7}
*February 26, 2014 by Boo*

**Math**

Assume that the set S has 10 elements. How many subsets of S have at most 4 elements? This question is from the section in my book called "Counting Partitions: Combinations." I would greatly appreciate any help! Thanks!
*February 19, 2009 by Eleanor*

**MATH Help please.....**

Let S={1,2,3,11} and T1,T2,TN be distinct subsets of S such that |Ti∩Tj|≤2 for all values i≠j. What is the maximum possible value of N? (The empty set is a subset of every set.)
*May 21, 2013 by Help please*

**MATH hard problem...HELLPPPPPP**

Let S={1,2,3,11} and T1,T2,TN be distinct subsets of S such that |Ti∩Tj|≤2 for all values i≠j. What is the maximum possible value of N? clue: The empty set is a subset of every set. Thanks
*May 21, 2013 by Help please*

**Pre Algerbra**

I'm confused on this one, If n(A) = 8, then how many proper subsets are there? I came up with 255. Is this correct?
*September 13, 2008 by tom*

**math**

A set is known to have 255 proper subsets. How many distinct elements does this set have?
*December 9, 2014 by trevor*

**Geometry**

Determine the number of subsets of A=\{1, 2, \ldots, 10\} whose sum of elements are greater than or equal to 28 .
*March 26, 2013 by Dan*

**Math(combinations) Help**

Let Pn be the set of all subsets of the set [n]={1,2,,n}. If two elements of P5 are chosen at random, the expected number of elements (of [n]) that they have in common can be expressed as a/b where a and b are coprime positive integers. What is the value of a+b?
*May 13, 2013 by Mathslover*

**math**

Let Pn be the set of all subsets of the set [n]={1,2,,n}. If two distinct elements of P5 are chosen at random, the expected number of elements (of [n]) that they have in common can be expressed as a/b where a and b are coprime positive integers. What is the value of a+b?
*May 16, 2013 by Pandey ji*

**math**

I just do not understand how to figure this out. Find the number of subsets of the given set. {math, English, history, science, art} Would I do something like this: 1. {} 2. Math 3. English 4. history 5. science 6. art 7. Math and English 8. math and history 9. math and ...
*April 14, 2010 by Bart*

**algebra**

whats the fastest and most easiest way to find all the subsets in a given set?
*June 11, 2011 by Peter*

**,math**

Find the number of subsets of the given set. {math, English, history, science, art} Is this correct: 1. {} 2. {math} 3. {English} 4. {history} 5. {science} 6. {art} 7. {m, E} 8. {m,h} 9. {m, s} 10. {m, a} 11. {e, h} 12. {e, s} 13. {e, a} 14. {h, s) 15. {h, a} 16. {s, a} 17. {m...
*April 15, 2010 by bwb*

**math**

Find the number of subsets of the given set. {math, English, history, science, art} Is this correct: 1. {} 2. {math} 3. {English} 4. {history} 5. {science} 6. {art} 7. {m, E} 8. {m,h} 9. {m, s} 10. {m, a} 11. {e, h} 12. {e, s} 13. {e, a} 14. {h, s) 15. {h, a} 16. {s, a} 17. {m...
*April 15, 2010 by bwb*

**Math**

Which expression is equivalent to (-2)(a+6)? -2a+6 2a+12*** -2a-12 -2a+12 To which subsets of real numbers does the number -22 belong? Choose all that apply. Whole numbers*** rational numbers integers*** irrational numbers "6 times the difference of b and p?" 6b-p 6(b-p)*** 6-...
*September 12, 2013 by Gabby*

**math-lost**

List all the subsets of S. You may use "C" for chocolate, "V" for vanilla, and "M" for mint. S = {Chocolate, Vanilla, Mint} I do not understand how to do this.
*April 14, 2010 by Bart*

**heeeeeelp math**

A subset S of {1,2,,n} is said to be packed if whenever i,j∈S the number ⌊(i+j)/2⌋ is also in S. Determine how many subsets of {1,2,,25} are packed. Details and assumptions i and j need not be distinct. If i=j is in the set, then clearly so is ⌊(i+j)2...
*July 10, 2013 by lin*

**heeeeeeeeelp math**

A subset S of {1,2,,n} is said to be packed if whenever i,j∈S the number ⌊(i+j)/2⌋ is also in S. Determine how many subsets of {1,2,,25} are packed. Details and assumptions i and j need not be distinct. If i=j is in the set, then clearly so is ⌊(i+j)2...
*July 10, 2013 by lin*

**cananyone solvethis math**

A subset S of {1,2,,n} is said to be packed if whenever i,j∈S the number ⌊(i+j)/2⌋ is also in S. Determine how many subsets of {1,2,,25} are packed. Details and assumptions i and j need not be distinct. If i=j is in the set, then clearly so is ⌊(i+j)2...
*July 9, 2013 by lin*

**math**

List all the subsets of S. You may use "C" for chocolate, "V" for vanilla, and "M" for mint. S = {Chocolate, Vanilla, Mint} I do not understand how to do this.
*April 14, 2010 by bwb*

**Algebra 2**

How many subsets of set T have 2 elemnts if set T has 5 elements?
*August 26, 2009 by Kenneth*

**Algebra**

Without writing them all out, what is the number of subsets of set A = {tongue, ear, mouth, eye, nose, cheek, forehead, neck, shoulder}?
*April 15, 2010 by Brad*

**square roots**

Describe the Number systems used in mathematics with the use of subsets of the real number system.
*November 20, 2012 by lisa*

**Math 156**

You are odering some frozen yogurt for dessert and have a choice of three toppings. You can get a combination of any or all the toppings. What are your possible choices? how do these choices relate to finding all the possible subsets of a set?
*October 23, 2009 by Rmz*

**Precalculus**

Sets A,B and C are subsets of U. U= positive integers less than 16 A= prime numbers B= factors of 36 C= multiples of 4 (A intersect B)' union C {?} My answer: 1,4,5,6,7,8,9,10,11,12,13,14,15 union 4,8,12 {4,8,12}
*April 26, 2014 by Anonymous*

**Geometry**

Let S = \{ 1, 2, 3, \ldots 12\} and T_1, T_2, \ldots T_a be subsets of S such that T_i \not \subset T_j \, \forall i \neq j . What is the maximum possible value of a?
*March 12, 2013 by John*

**Math(Subsets)**

Part 1 I have to use symbols in my anwser Suppose B is proper subset of C If n(c)=8, what is the maxium number of elements in n (B) What is the least possible numbers of Elements in B? Part 2 Suppose C is a subset of D and D is a subset of C If n (C)=5, find n (D) What is ...
*August 9, 2009 by Keyeshia*

**math**

Let f:A->B, where A and B are nonempty, and let T1 and T2 be subsets of B. a.Prove that f^-1(T1 U T2)= f^-1(T1) U f^-1(T2). b.Prove that f^-1(T1 intersects T2) = f^-1(T1) intersects f^-1(T2). I think once I see a I can do b. c. Prove that f^-1(T1) - f^-1(T2) = f^-1(T1-T2). ...
*October 14, 2010 by dreww1961*

**math**

Which of the following subsets of the vector space Mnn are subspaces? (a) The set of all n n symmetric matrices (b) The set of all n n diagonal matrices (c) The set of all n n nonsingular matrices
*February 25, 2015 by kirsten*

**math square root**

Indicate which of the following are true and which are false. for those that are false, change the UPPER-CASE expression to make the statement true. *Every integer is a WHOLE number * the quotient of two non zero numbers is always a RATIONAL number * the counting numbers are ...
*November 20, 2012 by alexander*

**maths**

List all the subsets(include the null set and the set itself. a) (p) b) (p,q) c) (p,q,r) d) (p,q,r,s) By the way the brackets are supposed 2 b the weird curly brackets.
*January 23, 2009 by Nabiha*

**Combinations**

Assume that the set S has 10 elements. How many subsets of S have at most 4 elements? This question is from the section in my book called "Counting Partitions: Combinations." I would greatly appreciate any help! Thanks!
*February 19, 2009 by Eleanor*

**Math**

Use roster notation to create and write two proper subsets of your original set. 3. Do the following and write your answers in roster notation. Find the union of the sets. Find the intersection of the sets. Find the complement of each of the sets.
*February 28, 2014 by Heather*

**Linear Algebra**

Let R5[t] be the vector space of all polynomials in t of degree 4 or less with real coefficients. Which of the following subsets are subspaces? I know how to test if something is a subspaces, just not sure how to do it with for these polynomial equations. a.) {p(t)|the ...
*October 22, 2013 by bdinh*

**Linear Algebra**

Let R5[t] be the vector space of all polynomials in t of degree 4 or less with real coefficients. Which of the following subsets are subspaces? I know how to test if something is a subspaces, just not sure how to do it with for these polynomial equations. a.) {p(t)|the ...
*October 22, 2013 by bdinh*

**math**

let V be the set of all real-valued continuous functions defined on R1. If f and g are in V, we define f g by (f g)(t) = f(t) + g(t). If f is in V and c is a scalar, we define c f by (c f)(t) = cf(t). Then V is a vector space, which is denoted by C(−, ). Which ...
*February 26, 2015 by sara*

**Precalculus**

I know I posted this question already ,but I posted the wrong one.... Sets A,B and C are subsets of U. U= positive integers less than 16 A= prime numbers B= factors of 36 C= multiples of 4 (A intersect B)' INTERSECT C {?} I meant INTERSECT not union! My answer: 4,8,12
*April 27, 2014 by Anonymous*

**maths**

A subset S of {1,2,,n} is said to be packed if whenever i,j∈S the number ⌊(i+j)/2⌋ is also in S. Determine how many subsets of {1,2,,25} are packed. Details and assumptions i and j need not be distinct. If i=j is in the set, then clearly so is ⌊(i+j)2...
*July 9, 2013 by maths*

**math**

7. Classify each of the following as true or false. If false, tell why or give an example showing that it is not true. (a) For all sets A and B, A B = B A (b) For all sets A, A (c) For all sets A, A A (d) The set {r, s, t...
*November 30, 2009 by poo*

**Data Management**

List all permutations of the elements of the set {+, -, *) List all subsets (combinations) of the elements of the set {+, -, *)
*December 20, 2006 by Raj*

**Maths - Sets**

While I was doing some exercises on sets A question accured " M = {a,e,i,o,u} a) how many subsets are there of M ? When I did it was two , because a subset from my knowledge is that all of the elements in the set are there with the empty set The answer was said at the back of ...
*May 4, 2008 by Veronica*

**science**

Let , , and be disjoint subsets of the sample space. For each one of the following statements, determine whether it is true or false. Note: "False" means "not guaranteed to be true." a) True FalseStatus: unsubmitted b) True FalseStatus: unsubmitted c) True FalseStatus: ...
*February 6, 2014 by intel*

**Math**

150 men live in a certain town: 85 are married 70 have a cell phone 75 own a car 55 are married and have a cell phone 35 have a cellphone and a car 40 are married and have car 30 are married, have a car and have a cellphone. How many men are single and do not have a car? How ...
*October 31, 2014 by Nia *

**Set Theory: Sideways U with a line under it**

I know the sideways U means "is a subset of" and if there is a line under it, it means "is equal to" I have two sets: {-3,0,3} _____ {-3,-1,1,3} choose the correct symbol a. sideways U with line under it and slash through it b. sideways U with line under it but no slash at all...
*July 6, 2014 by Ashley *

**MATH**

A set of numbers has the triple-sum property (or TSP) if there exist three numbers in the set whose sum is also in the set. [Repetitions are allowed.] For example, the set U = {2, 3, 7} has TSP since 2 + 2 + 3 = 7, while V = {2, 3, 10} fails to have TSP. (a) Suppose the set...
*April 15, 2010 by DAVID*

**linear algebra**

Let V be the set of all real-valued continuous functions defined on R1. If f and g are in V, we define f ⊕ g by (f ⊕ g)(t) = f(t) + g(t). If f is in V and c is a scalar, we define c f by (c f)(t) = cf(t). Then V is a vector space, which is denoted by C(−&#...
*February 26, 2015 by kirsten*