0
Add your answer:
Earn +20 pts
B is a proper subset of C If the cardinal number of C is 8 what is the maximum number of elements in B?
If every element of B is contained in C, then B is a subset of C. If every element of B is contained in C and B is not the same as C, then B is a proper subset of C.The cardinal number of a set is the number of elements in the set.In this case, C has 8 elements, so B has at most 7 elements.
How many elements are there in the set of positive integers less than 8?
7 of them.
What are the number sets that contain the square root of 5?
Any set that contains it, for example, the set {1, 4/7, sqrt(5), -99} sqrt(5) is an irrational number which form a subset of real numbers which form a subset of complex numbers which ...
How many Subset are there in 1 2 3 4 5 6 7 8 9?
Well, honey, the number of subsets in a set with 9 elements is given by 2 to the power of 9, which equals 512. So, there are 512 subsets in the set {1, 2, 3, 4, 5, 6, 7, 8, 9}. Don't worry, I double-checked it just for you.
Is 7 a mathematical real number?
Yes. '7 squared' means 7 x 7, which equals 49.
How many subset are there in 1 3 5 7?
A set of four elements has 24 subsets, since for every element there are two options: it may, or may not, be in a subset. This set of subsets includes the empty set and the original set, and everything in between.
B is a proper subset of C If the cardinal number of C is 8 what is the maximum number of elements in B?
If every element of B is contained in C, then B is a subset of C. If every element of B is contained in C and B is not the same as C, then B is a proper subset of C.The cardinal number of a set is the number of elements in the set.In this case, C has 8 elements, so B has at most 7 elements.
How many subsets does a set of elements have?
7.
How many sets of six numbers can you make with seven numbers?
7 To make it a bit more intuitive, think of it like this: If you have a set of 7 elements, you can "turn it into" a set of 6 elements by removing one of the elements. So, in how many ways can you remove an element from the set of 7 elements, without making the same 6-element set more than once?
What set of numbers does -1 over 7 belong?
It belongs to the rational numbers which is a subset of the real numbers. The reals, in turn, is a subset of complex numbers.
How many elements are there in the set of positive integers less than 8?
7 of them.
How many subsets are there you 1 2 3 4 5 6 7 8 9 10 11?
Note that an empty set is included for the set of 11 numbers. That is 1 subset. Since order doesn't matter for this type of situation, we count the following number of subsets. 1-item subset: 11 choose 1 2-item subset: 11 choose 2 3-item subset: 11 choose 3 4-item subset: 11 choose 4 5-item subset: 11 choose 5 6-item subset: 11 choose 6 7-item subset: 11 choose 7 8-item subset: 11 choose 8 9-item subset: 11 choose 9 10-item subset: 11 choose 10 11-item subset: 11 choose 11 Note that the pattern of these values follows the Fibonacci sequence. If we add all of these values and 1 altogether, then you should get 2048 subsets that belong to the given set {1,2,3,4,5,6,7,8,9,10,11}. Instead of working out with cases, you use this form, which is 2ⁿ such that n is the number of items in the set. If there is 11 items in the set, then there are 211 possible subsets!
How do you list 3 element subsets of a 7 element set?
If your 7 element set is {a, b, c, d, e, f, g}, you would list a 3 element subset by taking any 3 elements of the set eg., {a, d, g} or {b, c, f}, etc. To count all of the subsets, the formula is 7C3, where 7C3 is 7!/(3!*4!), or 35 different unique 3 element subsets of a 7 element set.
How many Subset are there in 1 3 5 7 9?
jongzkie ni
What are the number sets that contain the square root of 5?
Any set that contains it, for example, the set {1, 4/7, sqrt(5), -99} sqrt(5) is an irrational number which form a subset of real numbers which form a subset of complex numbers which ...
How do you enumerate all the possible subsets of x y z in C plus plus?
Enumerating subsets requires that each element in the set be mapped to a bit value. Combining these bit values (with logical OR) gives you the subset. Each subset will then have a value in the range 0 to 7, giving 8 subsets in all: {}, {x}, {y}, {z}, {x, y}, {x, z}, {y, z}, {x, y, z}. However, you cannot simply count from 0 to 7 to enumerate these subsets because this is highly inefficient. In a set of 3 it's not a significant loss, but in a larger set the inefficiency is substantial. For instance, in a set of just 64 elements, you must count from 0 to 9,223,372,036,854,775,809 in order to enumerate the 64 subsets that have just one element. If that doesn't drive the point home, then nothing will.In order to correctly enumerate subsets you must use the Banker's sequence. Each sequence varies depending upon how many elements are in the set, however the sequence allows you to quickly enumerate one set after another in a logical sequence. It also allows you to start from anywhere in the sequence and continue from that point on, thus making it possible to quickly enumerate all sets with a specific number of elements.The following code is quite involved but includes several auxiliary functions that help speed up the main code at the bottom. Some examples are included to demonstrate different usages, including the enumeration of subsets of {x, y, z}, subsets of a set of 5 elements and subsets of a subset of a 9 element set. Note that the final example (all subsets of a 32 element set) is commented out because it will take a seriously long time to enumerate all the possible subsets. However, the code is flexible enough to allow you to narrow the search down to just those subsets with a specific number of elements.Note that the two main functions to focus upon are the find_first_subset() and find_next_subset() functions. These two functions are the driving force behind the Banker's sequence.#include // Returns the count of set bits in the given subset.// E.g., 01010010 returns 3.unsigned int count_set_bits( register unsigned int subset ){// An alternative method is to logical AND the bitset with 0x1// then right shift the bitset by 1 bit. That requires an average// of 32 separate operations (worst case is 64). This method always// uses 17, thus always returns in constant time. For unsigned// short, eliminate the last shift. For char, eliminate the last// two shifts.subset -= (( subset >> 1 ) & 0x55555555 );subset = ((( subset >> 2 ) & 0x33333333 ) + ( subset & 0x33333333 ));subset = ((( subset >> 4 ) + subset ) & 0x0f0f0f0f );subset += ( subset >> 8 );subset += ( subset >> 16 );return( subset & 0x0000003f );}// Returns all set bits from the given subset's MSB down.// E.g., 00100010 returns 00111111.// The inversion of the return value can be used to mask// bits that are greater than the MSB in another subset.unsigned int fill_down( register unsigned int subset ){subset |= ( subset >> 1 );subset |= ( subset >> 2 );subset |= ( subset >> 4 );subset |= ( subset >> 8 );subset |= ( subset >> 16 );return( subset );}// Returns the least-significant set bit in the given subset.// E.g., 00100110 returns 00000010.unsigned int get_LSB( register unsigned int subset ){return( subset ^ ( subset & ( subset - 1 )));}// Returns the most-significant set bit in the given subset.// E.g., 00100110 returns 00100000.unsigned int get_MSB( register unsigned int subset ){subset = fill_down( subset );return( subset & ~( subset >> 1 ));}// Returns the first subset of subset_count within the given set.// The return value can be passed to get_next_subset().unsigned int get_first_subset( const unsigned set, unsigned int subset_count ){// Initialise the subset.unsigned int subset = 0;// Check validity of parameters.if( subset_count && subset_count
How many Subset are there in 1 2 3 4 5 6 7 8 9 10?
Set A = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 }nA = 10 (there are 10 entries in A)|P(A)| = 2n|P(A)| = 210 = 1024P(A) represents the power set of A. The line brackets "|...|" represent the carnality (the count of elements). The power set is just a set of every possible set, including the empty set. I included this terminology to help research the topic further, if you are interested.The answer is 1024.Minor error in above answer: The term for the number of items in a set is its cardinality (not carnality).
