# algebra 2 (permutations & combinations)

42,671 results

### Pre-Algebra Permutations and Combinations

16. Simplify 6p2 30 15 12 720 17. Simplify 8c5 6,720 336 56 10 Okay, so the formula for Permutations is n!/(n-r)! and the formula for Combinations is n!/r!(n-r)! however I don't quite know how to figure either of these out. I'm sort of blanking here! Please help. BTW, Ms. Sue...

### statistics

15. The probability that a recently offered stock by a technology company will double in value within the next three months is 90%. The conclusion regarding this probability estimate was reached based on the opinion of the experts in the technology field to which this stock ...

### Math

Hi! Can someone check my answers? Thanks!! Directions: Tell whether the following questions are either permutations or combinations. 1.) Number of ways the Junior class can elect a committee of officers - President, Vice President, Secretary and Treasurer. (my answer: ...

### Math

Hi! Can someone check my answers? Thanks!! Directions: Tell whether the following questions are either permutations or combinations. 1.) Number of ways the Junior class can elect a committee of officers - President, Vice President, Secretary and Treasurer. (my answer: ...

### maths

simplify 8C5 The "C" stands for combinations ( like combinations and permutations )

### Math: Permutations and Combinations

Need a verification: Combinations of n items taken r at a time: C9n,r)= n!/(n-r)!*r! C(8,0) 8!/(8-0)!*(0)! = 8!/8!*0! = 0 or Answer is 0 or 1?

### Finite Math

Please help with this problem. In a student writing contest with 25 entries, 3 essays are selected for first, second, and third place awards and 5 are selected for honorable mention. How many ways can this be done? Thanks. Ok Gen, for the first place there are 25 choices, for ...

### Math

Find the probability that if the letters of the word "parallel" are randomly arranged that the L's will not be together. In class, I'm studying permutations and combinations. The solutions stated the no. of permutations where 3 L's are together is 6!/2!. Could you please ...

### algebra 2 (permutations & combinations)

from a standard deck of 52 cards, how many different five-card hands can be drawn?

### Math

For the three-letter set {R, S, T}, find the two-letter combinations. I realize that this deals with combinations and not permutations. I just do not understand how they want this done.

### Math

We are working on permutations and combinations and the problem reads as follows: A deli offers its cheese sandwich with various combinations of mayonnaise, lettuce, tomatoes, pickles, and sprouts. 5 types of cheese are available. How many different cheese sandwiches are ...

### statistics

17. All three‐digit numbers that can be formed using the digits 1, 2, 3, 4, and 5 without repeating the digits are (a) 50. (b) 60. (c) 15. (d) 71. 18. One of the counting rules used to determine the total number of possible outcomes for experiments in which the order of ...

### math ,correction

Is this correct? consider determining how many possible phone numbers are in an area code (repeated numbers allowed) Is this a combination, a permutation, or neither? I think it would be a combination wouldn't it? Since there are ten number possibilities in each of the three ...

Create two different situations: one in which you use combinations and one in which you use permutations. Include specific details and an explanation about what makes each situation either a combination or permutation.

### college math

Explain permutations and combinations and the differences between the two. Use examples to illustrate.

### EASY Pre-Algebra

In the following situation, determine whether you are asked to determine the number of permutations or combinations. Then do the calculation. How many ways can the four offices of chairman, vice chairman, secretary, and treasurer be filled from a club with 28 members?

### Statistics

Four cards are chosen at random. What is the probability that at least 2 are J's? How is this problem computed? Using Combinations or permutations?

### permutations and combinations

Four men and four women are to be seated alternatively at a round table. In how many ways can this be done?

### Permutations/Combinations

In how many ways can 5 men and 5 women be seated at a round table if two men must not sit together?

### Math

There is a test with 10 questions. Each question has a choice of three answers, but only one answer is correct. How many ways are there to fill out the test? By the way, we are learning combinations and permutations

### statistics

26. The law of permutations, combinations, and filling slots are the counting rules used to (a) determine the total number of possible outcomes (b) determine all possible combinations of “n” objects from a total of N objects (c) determine the odds of winning a lottery (d) ...

### statistics permutations and combinations

Selecting a committee: There are 7 women and 5 men in a department. How many ways can a committee of 4 be selected if there must be at least 2 women?

### math permutations

how many distinguishable permutations are there of the letters in the word effective

### math

Create two different situations: one in which you use combinations and one in which you use permutations please help me with this question or give me some sites too look at, I don't understand.

### Math

In a deck of 52 cards, 3 cards are chosen. What is the probability that all three card are picture cards? (king, queen, jack) By the way, we are learning combinations and permutations. Help would be greatly appreciated!

### Math

Create two different situations: one in which you use combinations and one in which you use permutations. Include specific details and an explanation about what makes each situation either a combination or permutation.

### Combinations and Permutations

A committee of 3 members is selected from a club made up of 10 junior members and 20 senior members. What is the expected number of juniors in the committee?

### Math

Can someone please clarify this for me? Create two different situations: one in which you use combinations and one in which you use permutations. Include specific details and an explanation about what makes each situation either a combination or permutation.

### Chemistry

Sorry for posting this again, I don't know if the question was skipped or not, but I was just wondering if I could get some help on this... thanks. There are 3 known isotopes of Hydrogen and 3 stable isotopes of oxygen. How many types of water molecules would these produce? ...

### Math

Create two different situations: one in which you use combinations and one in which you use permutations. Include specific details and an explanation about what makes each situation either a combination or permutation. Can you give me some sites to look at? Thank you

### Math

Teng is designing a house and in each room he can choose from tiles, floorboards, or carpet for the floor. a. How many combinations of flooring materials are possible if her designs a 2 room studio? b. How many combinations are possible for a 3 room apartment? c. How many ...

### math

50 people purchase raffle tickets 3 winning tickets are selected at random if the first prize is \$1,000, second prize is \$500, and third prize is \$100 in how many different ways can the prizes be awarded and is this a permutations or a combinations problem?

### Math

Complete the following task in your discussion group: Create two different situations: one in which you use combinations and one in which you use permutations. Include specific details and an explanation about what makes each situation either a combination or permutation. Can ...

### Statistics

3 students will represent your school at a conference at the state capital. A drawing will be held to select the 3 representatives from a group of 5 finalsts. If you and your friend are both finalists, what are the chances that both of your names will be drawn? Is it 2 out of ...

### Math

3 animals need to be chosen. There are 3 tigers, 6 bears, and 4 dogs. Find the probability that: a) 1 tiger, 1 bear, and 1 dog are chosen b) 3 bears are chosen c) no tigers are chosen by the way, we are learning combinations and permutations. Thank you for your help!!!

### Math

In a mathematics olympiad there are 20 finalists. In how many ways can three equal prizes be awarded, assuming that two prizes cannot be given to one finalist? In how many ways can a first, second and a third place be awarded? (I understand that Permutations and Combinations ...

### Permutations

What is the number of permutations for the words: QUEUE COMMITTEE PROPOSITION BASEBALL You can arrange it in any order. You can also arrange it into any order of the letters. You could use the math from FACTORIAL. I need an answer ASAP!!!

### Data Management

List all permutations of the elements of the set {+, -, *) List all subsets (combinations) of the elements of the set {+, -, *)

### Algebra 2

Solve using linear combinations. x - 5y = 6 3x + 4y = 18 What are linear combinations?

### ALGEBRA

how many permutations are there of the following word. mathematics

### math

Compute: The number of combinations of 8 elements taken 3 at a time. The number of permutations of 8 elements taken 3 at at time.

### Algebra

A sales clerk at a local deli made the chart below for popular lunch combinations. What is the individual price for a salad? Lunch Pricing Combinations 1 Sandwich + Salad= \$8.70 2 Sandwiches + Salad= \$13.45 A. \$3.25 B. \$3.95 C. \$4.25 D. \$4.75

### Algebra

It's been so long since I've donw combinations, and now I have a question about them in my algebra homework packet. Question is....Marcie has a collection of 9 DVDS. She will choose 4 of them to take in the car to watch during a long trip. How many combinations of 3 DVDS can ...

### Math

We would like to test 3 different treatments on a particular type of plant. A worker at the local greenhouse will allow us to use 3 amoung 10 plants. *Note: Each treatment will be used on one and only one plant.* a) In how many different ways can we assign the plants to the ...

### alg2/trig

I got this question wrong on my test, and I have to correct it :/ How many permutations are there of all the letters in the word "TEXAS" ? The answer to this part is 120, but I have no idea on how to solve the second part without having to write it all down. *How many of these...

### algebra

A pack of Jillybeans contains seven different flavors: Apricot, Banana, Coconut, Date, Eggplant, Fig and Grape. You can make each flavor indivdually or come up with some crazy combinations. How many flavor combinations are possible with these seven flavors alone or mixed?

### Algebra

I'm doing Permutations. Simplify 9! a.45 b.362,880 c.265,456 d. 125,396 I think it's a.

### Math

In how many different ways can six of ten people be seated in a row of six chairs? I don't have the answer, but from my rough understanding of permutations and combinations, I got: 10C6 * 6! = 210 * 6! I figure first 6 people have to be chosen out of the 10, and that can be ...

### math

How many different combinations of coins can total exactly \$0.40? I got 31 possible combinations

### Statistics

A raffle is being conducted with 50 tickets to be sold - one per customer. There are three prizes to be awarded. If the four organizers of the raffle each buy one ticket, what is the probability that the four organizers win: a) all of the prizes? b) exactly two of the prizes c...

### Probability

The signers of the declaration of Independence came from the 13 colonies as shown: Massachusetts: 5 New Hampshire: 3 Virginia: 7 Maryland: 4 New Jersey: 5 Pennsylvania: 9 Rhode Island: 2 New York: 4 Georgia: 3 North Carolina: 3 South Carolina: 4 Connecticut: 4 Delaware: 3 ...

### algebra

Eye color is determined by genetic combinations.There are 4 possible genetic combinations: RR=Brown,RL=Brown,LR=Brown,LL=Blue.Show a 4 square Punnett square that models these conclusions. Thank you.I hope someone can show me the solution.

### math2

Mary is moving and wants photos to remember her six friends. If pictures are taken so there is a shot of every possible pair of friends- including Mary, how many pictures will be take? Would one roll of 24 exposures be enough? 27 Mary is moving and wants photos to remember her...

### Algebra

I am doing the amount of permutations in the word trigonometry. For the expression, I wrote 12!/2!2!2!. I got 968003200. Is this correct? If not, should I use parenthesese? Thanks

### Math

At an ice cream there there are 10 flavors of ice cream, four toppings, three types of sprinkles, and either whipped cream or chocolate sauce. How many combinations of ice cream are there? 10*4*3*2=240 combinations I think its 240 combinations but am not sure.

### algebra

i need explanation how they solved this one the answer is provided: finding the number o fdistinguishable permutations. (15!)/(4!3!612!) = 6, 306,300

### Pre Calculus 12

Im on the chapter of permutations/combinations/fundamental counting principle need help with 2 questions 1. emma is arranging her books in piles on her desk. she has 5 math books, 3 english books, and 4 science books. how many ways can she arrange them if she wants to keep the...

A pack of Jellybeans contains 7 different flavors: Apricot, Banana, Coconut, Date, Eggplant, Fig, and Grape. You can Eat each flavor individually or come up with some crazy combinations. How many flavor combinations are possible with these 7 flavors alone or mixed? You can use...

### math question

I have the equation 3f+2.50h=240 and I want to make a table of values with at least five possible combinations. How do I determine which combinations I should use?

### Algebra word problem

A pack of Jellybeans contains 7 different flavors: Apricot, Banana, Coconut, Date, Eggplant, Fig, and Grape. You can Eat each flavor individually or come up with some crazy combinations. How many flavor combinations are possible with these 7 flavors alone or mixed? You can use...

### Algebra word problem

A pack of Jellybeans contains 7 different flavors: Apricot, Banana, Coconut, Date, Eggplant, Fig, and Grape. You can Eat each flavor individually or come up with some crazy combinations. How many flavor combinations are possible with these 7 flavors alone or mixed? You can use...

### permutations in math

suppose 15 countries compete in an olympic event. gold, and silver,and bronze medals are awarded. how many different arrangements of winners are there if no country wins more than one medal in this event? show the work. thanks. 15 countries can get the gold 14 countries can ...

### algebra

Find the number of permutations of 5 CDs if you have a total of 23 CDs

### Pre-Algebra [Combinations]

Need help with these- 1.How many groups of 4 fabrics can be selected from 7 fabrics? 2.The school photographer wants to photograph 3 students from a club with 14 members. How many combinations can be made? 3.Philip wishes to check 2 books out of his school library. If the ...

### Probability (Pre-Calculus)

A class is given a list of eight study problems from which five will be part of an upcoming exam. If a given student knows how to solve six of these problems, find the probability that the student will be able to answer: (a) all five questions on the exam. (b) exactly eight ...

### Math

5e+15p</=60 How many combinations of excersises (e) and problems (p)can you do in exactly one hour(60 minutes)? I've found 5 combinations: 9e,1p 3e,3p 6e,2p 0e,4p, 12e,0p Are there anymore? What method would you use to solve this type of problem? Thanks for the help!

### algebra 1

Could someone check these? basic honors algebra 1 question of eight students in a class three will be chosen for student government positions. what is the number of permutations of those eight students to hold the three different positions? 24** 336 112 56

### Algebra 2

how do you do permutations??? distinguishable ex. Sweetwater would you put the total number of the letters on top and then put what is repeated on bottom???

### Math- combinations

I need this for a story I'm writing for one of my classes: how many different number combinations can you get using 3 different spaces. (I.e, 000, 001, 002, and so on?)

### Linear combinations

Solving linear combinations Do you have a particular example of a problem you need help with?

### Algebra

how do you solve linear combinations?

### 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!

### Math

I was given this by my teacher for extra credit 1 _ _ _ _ _ 1 _ the blanks are numbers from 0-9 excluding 1 since it was given. I need to know how many possible combinations are left and if there is a good website that will generate all the combinations.

### Algebra 2/Statistics

From a squad of 12 cheerleaders, 10 will assemble themselves into a 4-level pyramid at the Homecoming rally. 1.) How many different combinations of cheerleaders can be used to build the pyramid? For this I got 12C10=66......Right or Wrong? 2.) The coach decides that Alexis ...

### algebra

use linear combinations to solve these system. 3x+2y=22 9x-8y=-4

### algebra

Use linear combinations to solve these systems. 5r-3s=12 3r+55=28

### math

if you have 63 diffrent combinations how many diffrent combinations can you make with 1 crust , and 3 diffrent toppings , and 1 type of cheese ?

### Math

If I have 4 people and I want to take a picture of them standing side by side, how many total different combinations can I use? If I have 5? if I have 10? Is there a mathematical equation that would figure out the total no matter how many people I start with? If person A can ...

### algebra

using the letters in the word "MAGIC,", find the number of permutations that can be formed using 3 letters at a time A. 20 , B. 30 , C. 40, D. 60

Please help-I'm really mixed up How do I find the permutations of the first 12 letters taken 3 at a time? I have a ton of these to do and really don't understand them at all-

### algebra 2

linear combinations are confusing, please show how to solve -6x + 5y = 4 and 7x - 10y = -8

### algebra

I have 3 flavors of ice cream and 38 toppings how many combinations can I make

### math

I was given this by my teacher for extra credit 1 _ _ _ _ _ 1 _ the blanks are numbers from 0-9 excluding 1 since it was given. I need to know how many possible combinations are left and if there is a good website that will generate all the combinations. (The numbers in the ...

### Maths

Noors knows that David, Adam, Jane and Luisa are brothers and sisters. However, she does not know the order in which they were born. There are 24 different combinations of their birth order. How many more different combinations would there be if there were five children in the...

### algebra

use substitution method/linear combinations to solve then tell how many solutions they have -7x+7y=7 and 2x-2y=-18

### math-combinations

An executive committee of three is selected from a group of ten. Which expression best describes the number of combinations? A. 10P3 (small 10 and 3) B. 10! C. 3P10 (small 3 and 10) D. 10P3/3! (small 10 and 3 on top, big 3! on the bottom)

### math,help

what formula or how do i solve for this: How many 5-card poker hands containing of 2 aces and 3 kings are possible with an ordinary 52-card deck? (4*3*2)/3! combinations of three kings x (4*3)/2)combinations of two aces = 24.

### physics

Consider the Hamiltonian H=Z⊗3 acting on 3 qubits. What is the ground energy of the system? (I.e. the lowest eigenvalue of H?) What is the dimension of the ground energy subspace? (I.e. multiplicity of that eigenvalue?) Which of the following correctly describes the ...

### chemistry

A. Find and list all of the different half- cell combinations. Hint 15 combinations! 1. Copper/ Cu2+ 2. Lead/ Pb2+ 3. Magnesium/ Mg2+ 4. Zinc/ Zn2+ 5. Iron/Fe2+ 6. Aluminum/ Al3+ B. write the half reactions of each combination and the overall redox reaction. Please help! Thank...

In a gift wrapping department, a customer can choose from x different papers, y different ribbons, and z different greeting cards. There are 160 different paper, ribbon, and greeting card combinations. List three of the possible combinations.

### math//algebra

Eye color is determined by genetic combination. Let R represent the gene for brown eyes and l represent the gene for blue eyes. Any gene combination including R results in brown eyes. Consider the offspring of a parent with a homozygous brown-eyed, RR, and a parent with a ...

### Algebra 1 Word Problem (Reiny)

How am I supposed to solve this? "Sandy makes \$2 profit on every cup of lemonade that she sells and \$1 on every cupcake that she sells. Sandy wants to sell at least 5 cups of lemonade and at least 5 cupcakes per day. She wants to earn at least \$25 per day. Show and describe ...

### Probability: Combinations

The students in Mrs. Mandel’s class need to choose two class representatives from six nominated students. How many different combinations of class representatives are possible?

### Algebra 1

A vending machine had to be programmed to accept any combination of nickels, dimes, and quarters that totals 40 cents. How many different combinations are possible?

### algebra 1

A town is organizing a parade. There will be floats of only 2 sizes, 30ft. and 15ft. A space of 10 ft. will be left after each float. a. the parade must be at least 150 feet long, but less than 200ft long. what is the combinations of large and small floats are possible? b. ...

### Biology

i asking question for my sister again how r gene combina tions reshufled? my sister and i find this paragraph online but we not able to get answer. Sex can introduce new gene combinations into a population and is an important source of genetic variation. You probably know from...

### Math

In a gift wrapping department, a customer can choose from X different papers, Y different ribbons, and Z different greeting cards. There are 160 different paper, ribbon, and greeting card combinations possible. List three of the possible combinations.

### Algebra

The town is organizing a Fourth of July parade. There will be two sizes of floats in the parade (30 ft and 15 ft). A space of 10 ft will be left after each float. A. The parade must be at least 150 ft long, but less than 200 ft long. What combinations of large and small floats...

### math

In a gift wrapping department, a customer can choose from x different papers, y different ribbons, and z different greeting cards. There are 160 different paper, ribbon, and greeting card combinations possible. List three of the possible combinations. Need help...please.

### Algebra 1 Word Problem (Reiny)

How am I supposed to solve and construct a graph for this problem? 1. Sandy makes \$2 profit on every cup of lemonade that she sells and \$1 on every cupcake that she sells. Sandy wants to sell at least 5 cups of lemonade and at least 5 cupcakes per day. She wants to earn at ...