166 Answered Questions for the topic Combinations

Combinations

11/25/18

a committee of five is going to be selected from a group of twenty people. How many different committees are possible if one person is the chair and the rest are general members?
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Combinations

09/30/18

How many different four letter code words can be formed using the letters A, B, C, and D?
The options are:    1. 16 2. 24 3. 64 4. 120 5. 204 6. 256 7. 308
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Combinations Probability

09/29/18

Combination question!
a survey is to be conducted and three people are to be chosen from a group of twenty. if the group contains 8 men and 12 women, how many groups containing exactly one man are possible
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Combinations Math Geometry Probability

09/18/18

Rearranging Words Without Replacement
Irving wants to rearrange the letters in turkey without replacement. How many ways can he rearrange them with 't' being first and 'u' being second? Please show work. Thanks :)
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Combinations Math Knowledge Check

08/28/18

You rent 4 movies. All are different categories. How many orders can you watch them in?
There are friends over and you rent 4 movies. One comedy, one animated, one action and one science fiction. How many orders can you watch the movies in? 
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08/02/18

Please Help me to answer this question. Justify your answer please
A student council has five seniors, four juniors, three sophomores, and two freshmen as members. In how many ways can a four member council committee be formed that includes one member of each class?
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Combinations Variables

07/09/18

How many combinations of 3 variables are possible when single variables can't be repeated
This is a bit of a strange and specific question, but I've been putting a lot of thought into this problem and can only find 8 totally unique combinations, while I thought there'd be 9. I hope I... more
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06/07/18

Your iPad has a 4 digit passcode. How many different passcodes are possible, if the digits can repeat?
 I got 210 but my teacher said that was incorrect. What am I doing wrong?
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06/07/18

Three girls and four boys are in a preschool class. Determine the number of ways the children can be arranged if a girl is always the line leader?
This question is in my permutation and combination hw but I'm not sure how to do it.
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Combinations Math Maths Math Help

06/02/18

Number arranging
The number of ways of arranging the 26 letters of the English alphabet = 26!. If a computer prints these arrangements at the rate of 1000 per second, how long will this take?
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Combinations

05/31/18

I have the numbers 0 - 49. The lock has three numbers in the combination with a right left right pattern What is the total number of possible combinations?
It's a math story problem.   It deals with a lock.  It uses three numbers from 0-49.  has three numbers in the combination with a right - left- right combination.  What was the total number of... more
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Combinations Permutations

05/26/18

Permutations with equal amount of e and o
I have a follow up. How would I calculate the e and o combinations that have an equal amount of e’s and o’s in any combination for example with 2 to the forth power there are 16 combinations but... more
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05/26/18

Combinations and Permutations
How many ways can 6 people work at 3 different offices if 2 people are in each office and 2individuals refuse to work together?
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Combinations

05/25/18

How many combinations of o and e 8 digits long can you make?
Is there a formula because I would also like to know how many combination of o and e 10 digits long. 
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05/23/18

Baskin Robbins has 31 flavored of ice cream, 7sauces, and 10 toppings. How many sundaes can be made by choosing 3 ice cream flavors, 3 sauces, and 3 toppings?
Baskin Robbins has 31 flavored of ice cream, 7sauces, and 10 toppings. How many sundaes can be made by choosing 3 ice cream flavors, 3 sauces, and 3 toppings?
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Combinations Maths Permutations

03/30/18

How to find The Numbers That are divisible by 4 or 7?
How to find numbers that are divisible by 4 or something else by permutations or combinations?
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Combinations

03/29/18

I have 54 pairs of shoes and 36 hats. How many ways can I select 1 pair of shoes and 1 hat?
I can not remember the formula.
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Combinations

03/07/18

If there are 28 numbers in a lotto game
If there are 28 number in a lotto game ranging from 1-28, every time it is drawn 6 numbers are selected ramdomly, but a number can’t be selected more than once, how many different combinations are... more
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Combinations

02/27/18

Jay is is to buy 6 cookies at the bakery. He can choose from sugar,ginger,chocolate, and Pbutter. How many diff assortments of cookies can he buy if he buys at
question finished here:   least one of each of the four kinds of cookies?
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Combinations Precalculus Permutations

02/04/18

Cominatorics Question
A restaurant has 3 appetizers, 8 Main courses, 4 sides, 4 vegetable choices, and 6 dessert choices. How many ways could a diner create a meal containing exactly one item from each category? 
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Combinations

12/20/17

i have the following items of clothing how many outfits can i make
trousers 88 shirts 106 hats 146 jackets 213 scarf 91 shoes 114 masks 6
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Combinations Math

12/19/17

possible combinations
i have a jar which must always be filled to 100%. i have 4 different items which can be placed into the jar to fill it. each item can be added in increments of 25%, and may be placed in the jar... more
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Combinations Probablity

10/10/17

Find the probability of the given event.
An unbiased coin is tossed five times. Find the probability of the given event. (Round your answer to four decimal places.)The coin lands heads more than once.
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Combinations Math Baseball Sports

10/04/17

Uncle Pete shows up to his nephew Monty’s Little League game without much information.
He was given a list of possible team and field combinations for Monty’s game without knowing the name of the team Monty plays for or the field that the team is playing on. The list Uncle Pete was... more
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Combinations

10/03/17

prove that C(n,r)+3C(n,r-1)+3C(n,r-2)+C(n,r)=C(n,r)-3
It's a problem of combination.
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