153 Answered Questions for the topic Combinations

Combinations Permutations

06/12/16

nC5=252

#### Combination Problem

A word of 16 letters is selected: ALMOSTIMPOSSIBLE   a) How many different words are possible if the first and last letters are the same? b) How many different words are possible if A,L and M... more
Combinations Permutations

04/28/16

#### Permutation of a word

The word "abstemious" contains 5 vowels a, e, i, o, u in alphabetical order. how many permutations of this word have the vowels in alphabetical order?
Combinations Factorial,

04/25/16

#### A five-digit number is formed by using each of the digits 1, 2, 3, 4, and 5 exactly once. How many five-digit numbers formed this way are divisible by 12?

A hint was given. Use the fact that for a given number to be divisible by 3, it suffices for the sum of its digits to be divisible by 3.

04/12/16

prove that for every n∈N , ( 2n choose n) is even
Combinations

03/25/16

#### 18 people decide to play softball// IN how many ways can the 18 people be divided into 2 teams of 9

18 people decide to play softball// IN how many ways can the 18 people be divided into 2 teams of 9
Combinations

01/31/16

#### how to explain combinations on a 3rd grade level

Class of 22 students votes on their favorite pet.  The bird gets 3 times more votes than the snak and the bird gets 2 times more votes than the hamster.  How many votes does each pet get?
Combinations

12/21/15

#### A lock has 60 digits, and the combination involves turning either left or right to the first numbers, turning either left or right to the second number, and tur

A lock has 60 digits, and the combination involves turning either left or right to the first numbers, turning either left or right to the second number, and turning either left or right to the... more
Combinations Data Management

11/10/15

#### If the committee will consist of 3 councillors and either 1 or 2 planning staff, how many different committees could the council choose?

Full Question:  There are 10 councillors and 12 planning department staff available to serve on a budge committee for the new city council. If the committee will consist of 3 councillors and... more
Combinations

11/09/15

#### the arcade has three pinball machines and five video games.

the arcade has three pinball machines and five video games. if a person wants to play one pinball machine and one video game, how many different combinations of games could that person play?
Combinations

09/29/15

#### I need to find out how many bloody mary combinations i could make.

I have 20 different vodka & juice combinations that i could add 48 different garnishes and spices. I need to know the total number of different combinations possible
Combinations

09/20/15

#### A quality control inspector...

A quality control inspector samples 6 computer chips from a box containing 12 computer chips. If the box contains 2 defective chips. In how many ways can he select a sample so that both defective... more
Combinations

09/19/15

#### In a free throw shooting contest...

In a free throw shooting contest, you shoot free throws until you miss once or until you make four shots. You keep track of the sequence of misses/makes. How many outcomes are in the sample space... more
Combinations

09/19/15

#### In a bag there are...

In a bag there are 7 green, 11 brown, and 8 red marbles. In how many ways can 5 marbles be randomly selected from the bag, without replacement, if the selection shows all 5 marbles of the same color?
Combinations

09/18/15

#### Five cards are drawn...

Five cards are drawn from a standard deck of 52 cards. How many hands of five cards have at least one black card?
Combinations

09/15/15

#### In how many ways can...

In how many ways can 5 different contracts be distributed among 12 different firms; if no two contracts are awarded to the same firm?
Combinations

09/10/15

How many license plates can be produced using five symbols on each plate where the two first symbols are letters of the alphabet and the following three symbols are numbers selected from the set... more
Combinations

08/25/15

#### Your friend has 13 different magazines and 6 different DVDs he is willing to loan you. Compute the following:

If you take 3 magazines and 3 DVDs, how many different possibilities could you end up with?
Combinations Math

08/11/15

#### How many different combinations of these token values are worth a total of 17 points?

The full question: In a certain game, each token has one of three possible values: 1 point, 5 points, 10 points. How many different combinations of these token values are worth a total of 17... more
Combinations Algebra 2 Probability

05/03/15

#### A basketball team has 4 guards, 5 forwards, and 3 centers. How many ways can a coach choose a starting line up if he needs 2 guards, 2 forwards, and 1 center?

I am in Algebra II, currently on probability, lesson on combinations. I would love your help! :) Thank you!!

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