Search: Math(Subsets)

Number of results: 185,461

MATH
When there is 0 items, the number of subset is 1=2^0 {}=φ. When there is one item, the number of subsets is 2=2^1, namely {}, {A}. Assume that when there is n (different) items, there are 2^n subsets. Then when there are 2^(n+1) items, we have the 2^n subsets for the ...
Thursday, April 7, 2011 at 8:40pm by MathMate

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
Monday, May 10, 2010 at 7:36pm by Kristi

math subsets
{ } , the null set {2}, {o}, {t} {2,o}, {2,t}, {o,t} {2,o,t} notice there are 8 subsets or 2^3. for a set of n elements there will be 2^n subsets
Sunday, May 17, 2009 at 8:51pm by Reiny

Math
if you include the empty set and the entire set itself in the list of subsets there will be 2^5 or 32 subsets for 5 elements. In general, if you have n elements in a set, there will be 2^n number of subsets including the null set and the entire set itself. e.g. {A,B,C) subsets...
Tuesday, August 18, 2009 at 4:37pm by Reiny

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
Thursday, March 8, 2007 at 2:35pm by eric

math
what are the subsets on -2.324 and the subsets for the square root of 46
Thursday, October 18, 2012 at 6:34pm by Taylor

Math
List the subsets of {P, N, D, Q}, where Q represents a quarter. How many subsets did you find?
Sunday, October 14, 2012 at 11:22pm by Alivia

Math
It seems to me there are 10 ways to pick subsets of 1 element; 10!/(8! 2!)= 45 subsets with 2 elements; 10!/(7!3!) = 120 with three elements and 10!/(6!4!) = 210 subsets with four elements The total is 385.
Thursday, February 19, 2009 at 6:28pm by drwls

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
Friday, February 6, 2009 at 6:49pm by math/subsets

math
How are the ideas of subsets and proper subsets used in counting to identify relationship between whole numbers?
Saturday, October 23, 2010 at 1:29pm by tammy

math
if a set has n elements there will be 2^n subsets. Yours should have 32 subsets. You are missing all the triples and fours.
Thursday, April 15, 2010 at 6:33pm by Reiny

math subsets
List all the subsets of {2, o, t}.
Sunday, May 17, 2009 at 8:51pm by help

math
here is a rather simple explanation we know n! = n(n-1)! e.g. 6! = 6(5!) and 1! = 1(0!) and we know that 1! = 1 so 1 = 1(0!) 0! = 1 another way is to look at the definition of C(n,r) which are the number of subsets of n elements. e.g. C(6,2) is the number of 2-element subsets ...
Wednesday, May 7, 2008 at 1:21am by Reiny

Math
The proper subsets of A:{b,c,d} contain any combination of b,c, d and nothing else, except b,c,d. That is A is not a proper subset of A. For example, {b,c} is a proper subset of A, so is {a}. For any set X which contains n elements, there are 2^n-1 proper subsets, including &...
Sunday, June 19, 2011 at 12:41am by MathMate

Math 213 Elementary Math
A subset consists of any number of members of the given set. Notice that this definition includes the empty set (˅) and the given set itself. To list all the subsets of three members, you will need to list all possible combinations of the members, this includes 1 ...
Tuesday, August 4, 2009 at 10:01am by MathMate

math
Suppose you have a set with 2n elements. How many subsets can we form? 2^{2n} = 4^n. Now how many subsets, each containing exactly n elements, can we form? This number is {2n choose n}. In the first statement above, we considered all subsets (not just those with n elements), ...
Wednesday, November 9, 2011 at 7:45pm by Steve

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?
Tuesday, August 18, 2009 at 4:37pm 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(A¿B').
Tuesday, September 6, 2011 at 5:37pm by anonymous

Algebra
Proper subsets are all subsets except C itself.
Monday, January 11, 2010 at 8:44pm by Marth

algebra
im having trouble with subsets.. name the subsets to which the numbers belong 3/4 0 -6 square root of 7 5
Monday, September 17, 2012 at 2:19am by angie

math
A one-element set {a} can form two subsets: {∅}, {a} A two-element set {a,b} can double the above list by tagging a b to each of the above two sets, thereby doubling the number: {∅},{a},{b},{a,b} for a total of 2²=4 sets. Similarly, by doubling ...
Sunday, February 20, 2011 at 3:01pm by MathMate

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)...
Thursday, June 9, 2011 at 11:59am by Roger

Math
This becomes a question of the number of subsets with 8 elements. number of subsets = 2^8 or 256 Notice that this would include the nullset, correponing with "no items" and the the set of all elements, your "loaded pizza"
Monday, May 7, 2012 at 7:52pm by Reiny

Math 156
suppose your toppings are A,B, and C could have -no toppings, (null set) -A -B -C -AB -AC -BC -ABC A set of 3 elements has 8 subsets So what you are doing in the above question is finding all possible subsets of the 3 toppings
Friday, October 23, 2009 at 4:13pm by Reiny

math
How many factors, or how many prime factors? There are obviously 11+6+23 prime factors. Just add up all the exponents. Now, if you want factors in general, that's a little more complicated. There are 11+1 ways to choose subsets of 7^11 (choosing none is also an option) ...
Wednesday, October 5, 2011 at 4:19pm by Steve

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 ...
Sunday, October 15, 2006 at 10:42am by Ali

math
Most texts include the null set, or{}, as a subset of every set. So for n elements in any set there would be 2^n - 1 proper subsets. In your case there would be 15. Notice we excluded the set itself, or {p,l,u,s}, from the list of 'proper' subsets
Monday, August 10, 2009 at 6:24pm by Reiny

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...
Thursday, June 4, 2009 at 8:13am by B.B.

Finite MAth
The total number of subsets = 2^7 = 128 This includes the null set So what we want is the null set, the set of singles, the set of doubles and the set of triples = 1 + C(7,1) + C(7,2) + c(7,3) = 1 + 7 + 21 + 35 = 64 So the number of subsets with at most 3 elements is 64
Thursday, January 26, 2012 at 7:57pm by Reiny

math
Since it asks for "how many different combinations of the colours are possible" we are merely interested in the number of subsets of the 4 colours. number of subsets are 2^4 = 16 but that would include the one case of not choosing any, so I would say there are 15 ...
Tuesday, January 22, 2013 at 12:27am by Reiny

algebra
This becomes a question of subsets The number of subsets of 18 elements is 2^18 or 262144 that would include the null set, in this case no toppings So the number of different topping combinations would be 262143
Monday, February 6, 2012 at 10:52pm by Reiny

Emergency help
I think you are missing part of your question for B. A can be a subset of itself, so it would include everything The null or empty set is also a subset. Each number could be in its own subset. We are up to 8 subsets. Also, we could take two numbers at a time to make unique ...
Sunday, March 3, 2013 at 5:48pm by Dr. Jane

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
Tuesday, May 14, 2013 at 5:24am by Mathslover

math subsets
If A={13,14,15} A proper subset B of A is such that B∈A but B≠A. The following sets are all proper subsets of A: ∅, {13}, {14}, {15}, {13,14}, {13,15}, {14,15}
Saturday, April 23, 2011 at 12:59pm by MathMate

Maths - Sets
Beats me Veronica. I would have to read the chapter in your book. I think subsets are all the combinations of whole elements in the set. If you paint all five vowels in a box on a piece of paper, the subsets are all the combinations of them that you can circle with a pen. I ...
Sunday, May 4, 2008 at 8:23am by Damon

probability
There are 2^9 number of subsets or 512 This includes the nullset, which corresponds to a pizza with no items. {pepperoni, onions, olives, and mushrooms} is one of those subsets. So the Prob(pepperoni, onions, olives, and mushrooms) = 1/512
Thursday, October 8, 2009 at 7:51am by Reiny

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)
Friday, October 15, 2010 at 12:16pm by dreww1961

math
what are the subsets of S?
Thursday, January 28, 2010 at 11:46pm by T

math
2^9=512 subsets
Sunday, February 20, 2011 at 3:01pm by Cris

math
List all the subsets of {2, o, t}.
Sunday, May 17, 2009 at 7:57pm by help

math
List all the subsets of {2, o, t}.
Sunday, May 17, 2009 at 6:16pm by help

ALG II - Probability
The number of subsets of 16 "fixins" is 2^16 or 65536 I suppose having "no fixins" is against the religion of the place , so I will subtract 1 to have 65535 subsets And the claim they have 17 menu items, so the number of different choices = 17(65535) = 1114095
Tuesday, May 18, 2010 at 9:21pm by Reiny

Math
How many subsets does the set L = {5, 6, 7, 8} have?
Tuesday, January 29, 2013 at 8:16pm by Anonymous

Math
The number of subsets is 2^n 2^4 = 16
Monday, March 15, 2010 at 9:49pm by Damon

math
Let C = {p, l, u, s}. How many proper subsets does C have?
Monday, August 10, 2009 at 6:24pm by Kim

Math
List all subsets for (m,a,t,h)
Friday, February 20, 2009 at 9:54pm by Paul

Math
There are 2^n subsets of an n-element set. What does it matter what Q is?
Sunday, October 14, 2012 at 11:22pm by Steve

math
Find a subset of R^2 which is not of the form AxB where A and B are subsets of R.
Monday, January 28, 2013 at 6:45pm by Jen

Math
what are thr proper subsets of (march,april, may)
Sunday, June 19, 2011 at 12:41am by Jamese

Math 213 Elementary Math
1. List all the subsets of {2, o, t}.
Tuesday, August 4, 2009 at 10:01am by Anonymous

Math 213 Elementary Math
1. List all the subsets of {2, o, t}.
Wednesday, August 5, 2009 at 2:46pm by Shay

Math 213 Elementary Math
List all the subsets of {2, o, t}.
Tuesday, August 4, 2009 at 10:01am by Shay

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
Tuesday, May 14, 2013 at 5:23am by Mathslover

math
should have been... 64 subsets, (not elements)
Thursday, July 7, 2011 at 3:19pm by Reiny

math subsets
what is the proper subset for 13, 14, 15
Saturday, April 23, 2011 at 12:59pm by Anonymous

Math
The null set contains no members, so how can it have subsets?
Tuesday, August 18, 2009 at 8:05pm by bobpursley

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.
Friday, May 17, 2013 at 6:13am by HELP!!

Math
there are 4 elements, so there are 2^4 or 16 subsets This would include the null set
Tuesday, January 29, 2013 at 8:16pm by Reiny

Math
suppose that W is a set which has 255 proper subsets. Determine the cardinality of w
Sunday, September 16, 2012 at 4:35pm by Dakota

Math
One more question... how many subsets does a null set have?
Tuesday, August 18, 2009 at 8:05pm by Missy

Maths - Sets
That is from http://www2.edc.org/makingmath/mathprojects/subsets/subsets_teach.asp
Sunday, May 4, 2008 at 8:23am by Damon

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?
Saturday, May 18, 2013 at 8:21pm by PLEASE HELP~

Math
Determine the number of subsets of A={1,2,…,10} whose sum of elements are greater than or equal to 28.
Sunday, March 24, 2013 at 9:55pm by Carlos

Survey of Mathematics
Since this is not my area of expertise, I searched Google under the key words "proper subsets" to get this: http://www.google.com/search?client=safari&rls=en&q=proper+subsets&ie=UTF-8&oe=UTF-8 In the future, you can find the information you desire ...
Sunday, April 4, 2010 at 6:58pm by PsyDAG

Math
Find the number of subsets of the given set. 4) {mom, dad, son, daughter} a. 16 b.14 c.12 d. 8
Monday, March 15, 2010 at 9:49pm by Lisa

math
Without writing them all out, what is the number of subsets of set A ={king, queen, knight, prince, princess, duke}?
Thursday, July 7, 2011 at 3:19pm by jesse

MATH
Without writing them all out, what is the number of subsets of set A ={king, queen, knight, prince, princess, duke, earl}?
Thursday, April 7, 2011 at 8:40pm by Anonymous

math
Without writing them all out, what is the number of subsets of set A ={king, queen, knight, prince, princess, duke, earl}?
Wednesday, April 6, 2011 at 6:05pm by nette

math
If two sets are subsets of each other, what other relationships must they have?
Saturday, August 18, 2012 at 11:25am by mary

Finite MAth
Assume that the set S has 7 elements. How many subsets of S have at most 3 elements
Thursday, January 26, 2012 at 7:57pm by Bryan

math
Assume that the set S has 14 elements. How many subsets of S have at most 4 elements?
Wednesday, September 15, 2010 at 10:33pm by Laura

math
A set has 256 subsets how many element has the set?
Wednesday, January 16, 2013 at 3:52pm by Boris

Algebra
6 subsets
Thursday, April 15, 2010 at 7:19pm by Tonya

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
Monday, May 18, 2009 at 9:03am by anonymous

algebra
The power set is the set of all possible subsets of a given set of cardinality n (contains n elements). The power set has a cardinality of 2^n. To find the all elements of the power set of a given set A, we start with the null set, and add one element at a time. {&empty...
Saturday, June 11, 2011 at 5:29am by MathMate

math
Without writing them all out, what is the number of subsets of set A = {tongue, ear, mouth, eye, nose, cheek, forehead, neck, shoulder}?
Sunday, February 20, 2011 at 3:01pm by jasmine

math213
Let U = {u, n, i, t, e} FIND THE SUBSETS
Monday, November 2, 2009 at 11:24pm by brina

math
for a set of three elements find the number of different subsets of 2 elements.use row 3 of pascals triangle
Tuesday, March 15, 2011 at 5:21pm by jasmine

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.
Thursday, April 15, 2010 at 6:38pm by bb

Algebra
Let C = {p, l, u, s}. How many proper subsets does C have?
Monday, January 11, 2010 at 8:44pm by Sarah

Algebra
List all the subsets of {m, a, t, h}.
Monday, January 11, 2010 at 7:58pm by Sandy

algerbra
If n(A)= 8, then how many proper subsets does A have?
Saturday, September 13, 2008 at 6:11pm by tom

Maths - Sets
If your class has no background in the ideas presented here, that’s fine; just start a few steps back. Review what a set is (simply "a collection of objects" will do) and what a subset is (any set of elements that all come from the original set, including &...
Sunday, May 4, 2008 at 8:23am by Damon

math
I don't know about the subsets, but Isaiah's answer is unclear. If it is √(5/5) = √1 = 1 If it is (√5)/5 = 2.2361/5 = .44722
Wednesday, April 14, 2010 at 8:10pm by PsyDAG

math
What you are asking is , How many subsets are there with 5 elements. which would be 2^5 or 32 But that includes the case of no toppings (the null set) It is up to you to decide if that is a possibility, if not, then there would be 31 different pizzas
Saturday, December 4, 2010 at 4:27pm by Reiny

math
The order of elements in a set does not matter, so VM and MV, MC and CM, and CV and VC are the same set. So list those only once to get 8 subsets.
Thursday, April 15, 2010 at 6:38pm by Reiny

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!
Thursday, February 19, 2009 at 6:28pm by Eleanor

Math
If a set has n members, then the number of subsets is 2^n. This includes the empty set or null set and the entire set itself. So for your problem, what do you think?
Monday, March 15, 2010 at 9:49pm by Reiny

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...
Thursday, April 15, 2010 at 6:33pm 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...
Thursday, April 15, 2010 at 1:10am by bwb

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 ...
Wednesday, April 14, 2010 at 8:10pm by Bart

Maths - Sets
Thankyou , but my book says that subsets are the whole elements in a set how is thaT ?
Sunday, May 4, 2008 at 8:23am by Veronica

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?
Saturday, September 13, 2008 at 7:14pm by tom

math
In general , the number of subsets of n elements is 2^n, including the null set and the entire set. since you have 6 elements, there will be 2^6 or 64 elements.
Thursday, July 7, 2011 at 3:19pm by Reiny

Geometry
Even though you posted this question 4 times now, you are probably not getting any replies because, speaking for myself, I don't know what you mean by "region". Secondly, are we dealing with one circle? You mentioned circles, so how many. Or, ... is there a ...
Monday, September 13, 2010 at 9:04pm by Reiny

algebra
whats the fastest and most easiest way to find all the subsets in a given set?
Saturday, June 11, 2011 at 5:29am by Peter

math
for n elements, the number of subsets = 2^n 2^n = 256 we know 2^8 = 256 So there are 8 elements
Wednesday, January 16, 2013 at 3:52pm by Reiny

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?
Monday, May 13, 2013 at 11:12pm by Mathslover

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