Friday

July 29, 2016
Number of results: 626

**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 ...
*December 8, 2013 by Michelle *

**math**

How many different combinations of coins can total exactly $0.40? I got 31 possible combinations
*November 15, 2010 by Jamie*

**maths**

simplify 8C5 The "C" stands for combinations ( like combinations and permutations )
*May 3, 2015 by Sarah*

**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?
*August 28, 2009 by Dee*

**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.
*May 19, 2015 by Isabelle*

**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?
*June 1, 2008 by Calie*

**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!
*February 25, 2012 by Jess*

**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.
*May 8, 2010 by BWB*

**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?)
*August 12, 2013 by Me*

**Linear combinations**

Solving linear combinations Do you have a particular example of a problem you need help with?
*March 13, 2007 by Paris*

**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!
*February 19, 2009 by Eleanor*

**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.
*November 1, 2010 by Karl Smith*

**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 ?
*May 21, 2013 by isabella*

**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 ...
*January 31, 2007 by K.*

**Algebra 2**

Solve using linear combinations. x - 5y = 6 3x + 4y = 18 What are linear combinations?
*October 3, 2011 by Peter*

**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 ...
*November 2, 2010 by Karl Smith*

**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...
*July 29, 2015 by Bryan*

**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 ...
*February 12, 2010 by nicole*

**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
*December 17, 2014 by Anonymous*

**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)
*March 27, 2011 by eryn*

**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.
*July 13, 2007 by student*

**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 ...
*April 19, 2013 by s*

**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...
*May 8, 2013 by Chloe*

**math - please help**

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.
*February 3, 2011 by stacy*

**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: ...
*April 23, 2015 by Callie*

**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: ...
*April 23, 2015 by Callie*

**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?
*May 22, 2011 by Matt *

**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...
*March 8, 2012 by Mohammad*

**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.
*February 3, 2011 by Danielle*

**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.
*February 2, 2011 by Brittany*

**math (combinations)**

The Hamburger Depot offers burgers fixed 5 different ways. They also offer French fries, tater tots, onion rings, and cheese sticks as side orders. How many different combinations of one hamburger and one side could be offered?: *
*September 22, 2007 by --*

**math**

Kristen and Christopher were playing a board game. They used a spinner with 4 spaces labeled 1, 2, 3, and 4. Each player was allowed 3 consecutive spins. They could move pieces on a board game only if the total of the 3 spins equaled 5. How many possible combinations could ...
*September 29, 2014 by Anonymous*

**math**

In 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. What forumula are used? Don...
*February 2, 2011 by charlie*

**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...
*April 13, 2016 by The Philly Inquirer*

**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 ...
*June 30, 2015 by meri*

**math**

In a gift wrapping department, a customer can choose from x different paper, 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.
*February 2, 2011 by Anonymous*

**math**

Answer the following questions below that go with the following: Let's say that a locker combination lock uses numbers 0 through 39 for a 3 digit combination. 1.) Exactly how many combinations are possible if NO digit may be repeated? And how many combinations are possible if ...
*April 30, 2015 by Kyle*

**Science**

We did a experiment in class to recognize chemical change. I don't really get this question: Identify the combinations of chemicals in which chemical changes occurred. If the chemical changes occured in all of the combinations, then what would be a good answer? I get the ...
*March 23, 2010 by Sara*

**Algebra Please help**

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...
*November 9, 2011 by Linda*

**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...
*November 8, 2011 by Linda*

**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...
*December 6, 2011 by Linda*

**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 ...
*June 25, 2009 by mysterychicken*

**COMBINATION!!MATH!!!hurryyy!!!**

Cards are drawn at random from a 52-card deck. Find the number of different 5-card poker hands possible consisting of 3 aces and 2 kings? i dont knw how to do this kind of problems..can anyone teach me??? Forget about the fact that there are 52 cards in a deck. The number 52 ...
*January 5, 2007 by Katrina*

**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 ...
*April 30, 2015 by Jordan*

**Genetics**

If there's 4 nucleotides, what is the probability to get a start codon ? If I understand correctly; a codon = 3 nucleotides, so there's 2 possible combinations with 4 nucleotides (AAAX and XAAA), of the 64 possible codons, there's only 1 start codon. So 2 possible combinations...
*January 8, 2008 by Anonymous*

**Biology**

There are 20 amino acids that cells use to build the numerous amounts of proteins that are essential for life. If a protein molecule consisted of 100 amino acids, how many combinations are possible? What is the probability that out of the total possible combinations of the 100...
*November 6, 2011 by Peter*

**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 ...
*July 25, 2006 by Gen*

**Math**

A popular toy for the upcoming holiday season comes in one of 6 different colors, with one of 10 different costumes, and with one of 4 different accessory sets. A store plans to display 10% of all possible combinations. How may different combinations of the toy will the store ...
*September 26, 2013 by Ms Ame*

**Math**

You're friend tells you about a new online music site called ComboAl- bum that lets you choose any 10 songs from their song library for 9:99. ComboAlbum's advertising says their song catalogue is so large there are over 10; 000; 000 different song combinations available for ...
*October 1, 2012 by John*

**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 ...
*June 12, 2009 by Tiff*

**Math**

Janet has a pink blouse, a red blouse and a white blouse. She has a pink skirt, a red skirt, a black skirt and a white skirt. How many combinations could she make? My answer is 12 combinations. I mulitiplied 3 blouses times 4 skirts.
*September 25, 2012 by Tara*

**Art.. Color Combinations**

Hello, With the following question I know that #3 can create a "cool" mood. Is #3 the correct answer Thank You Of the following color combinations which would best provide a solemn mood? #1 Shades and tints of yellow #2 Red, Yellow and blue #3 blue, blue-violet, and violet #3 ...
*August 19, 2007 by Mandi*

**computers**

Assume you have a computer that contains 2GB of memory. It contains four memory slots. Each slot can contain 128 MB, 256 MB, 512MB, 1 GB, or 2GB memory modules. Currently, each slot contains a 512MB memory module. What combinations of memory modules will satisfy your memory ...
*January 30, 2012 by Amber*

**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 ...
*June 30, 2015 by meri*

**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) ...
*June 30, 2015 by meri*

**computer**

Assume you have a computer that contains 2GB of memory. It contains four memory slots. Each slot can contain 128 MB, 256 MB, 512MB, 1 GB, or 2GB memory modules. Currently, each slot contains a 512MB memory module. What combinations of memory modules will satisfy your memory ...
*February 17, 2013 by lily*

**math**

Max. He and his four friends are having ice cream. There are only three flavors available at the ice cream store they are visiting: chocolate, vanilla, and strawberry. One of Max’s friends, Stacey, eats chocolate exclusively How many different kinds of ice cream cone ...
*August 3, 2010 by nana*

**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 ...
*December 19, 2012 by ana URGENT*

**math**

determine the number of combinations of 7 out of 10 items. and then determine the number of combinations of 4 out of 7 items.
*October 18, 2008 by howard*

**4th grade**

carol FRIEND ESMERALDA IS AWAY FOR 3 DAYS.SHE ASKED CARLO TO FEED HER PET DOG TWICE A DAY.CARLO FEED HIM ONE 8-OUNCE CAN EVERY TIME HE GOES ESMERALDA'S HOUSE. HOW MANY CANS OF FOOD DOES ESMERALDA NEED TO BUY FOR THE THREE DAY VACATION? SHOW HOW YOU CALCULATEAD YOUR ANSWER. ...
*January 3, 2011 by dk*

**Math**

Hello, I have a probability problem on combination that is not easy to solve for me, and I need help. Thank you. Probleme: Problem: Little Caesar's Pizza had a commercial on tv that said you could buy 1 pizza and get another one free, with up to 5 toppings per pizza. The ...
*April 5, 2011 by bikie*

**math**

how many combinations can you get with 1 2 3 4 5?
*November 30, 2008 by shirley*

**Creative Writing**

this is one of my assignments that i'm stuck on: write down your three favorite flavors of ice cream and three different toppings. Classify the information by pairing each flavor of ice cream with each topping. List some of the words or expressions you would use if you were ...
*October 23, 2009 by y912f *

**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 ...
*January 16, 2014 by Anonymous*

**math**

you have five bales of hay. for some reason,instead of being weighed individually, they were weighed in all possible combinations of two:bales 1 and 2, bales 1 and 3,bales 1 and 4, bales 1 and 5, bales 2 and 3, bales 2 and 4, and so on. The weights of each of these ...
*November 26, 2007 by emmy*

**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. ...
*January 9, 2015 by Becca*

**Chemistry**

Sorry for posting this again, I dont 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? ...
*April 21, 2007 by Jessica*

**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...
*January 13, 2014 by Anonymous*

**Algebra**

how do you solve linear combinations?
*January 6, 2008 by Mandy*

**Math**

How do you solve this by linear combinations? 4x+3y=-8 3x-3y=15
*January 14, 2008 by Chris*

**Math (combinations)**

A sandwich shop has the advertising slogan, “10,000 different sandwiches & one little eatery”. The shop offers its sandwiches with various combinations of mustard, catsup, mayonnaise, Cajun spice, relish, pickles, tomatoes, and lettuce. Customers can also choose between, ...
*January 10, 2010 by Anna*

**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 ...
*January 17, 2014 by Anonymous*

**math**

Ted is hosting a dinner party. He has a the choice of serving chicken, pasta, or hamburgers for the main course;carrots, lettuce salad, or pineapple for the side dish; and ice cream or cookies for dessert. How many combinations of one main course, one side dish, and one ...
*February 17, 2008 by derek*

**math**

Ted is hosting a dinner party. He has a the choice of serving chicken, pasta, or hamburgers for the main course;carrots, lettuce salad, or pineapple for the side dish; and ice cream or cookies for dessert. How many combinations of one main course, one side dish, and one ...
*February 17, 2008 by derek*

**math**

Three students from grades 10,11 and 12 were elected to the student council. Grade 10: Tom(T), Sally(s) and Bill(B) Grade 11: Jerry(J),Anne(A)and Connie(C) Grade 12: Dan(D), Martha(M) and Gwen(G) A three member committee is to be formed with one person from each grade. All ...
*January 30, 2009 by Katie*

**math**

if there are 3 numbers on a combination lock. how many combinations can there be?
*December 14, 2010 by teddy*

**random**

How many 4 digit combinations can you get using numbers 0-9..?
*February 15, 2012 by y912f*

**Math**

How many combinations of hamburgers can you have with 12 toppings?
*September 26, 2012 by Brendan*

**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 ...
*March 28, 2007 by Tony*

**basic english **

1. Understanding which flavors complement each other can take years of practice. 2. Following these basic tenets will allow you to produce recipes that your friends and family will love to share. 3. Once you've mastered flavor combinations, however, there's no end to the tasty...
*May 26, 2015 by alexis *

**english**

Understanding which flavors complement each other can take years of practice Following these basic tenets will allow you to produce recipes that your friends and family will love to share. Once you’ve mastered flavor combinations, however, there’s no end to the tasty ...
*August 18, 2015 by solanch*

**Math**

Please help me with this..I am very puzzled. Josh is building a wooden box for a darkling beetle habitat. If the area of the bottom of the box is 576 cm2 and the shortest side is longer than 10 cm, what are all the possible length and width combinations? Note: Josh measures ...
*July 28, 2011 by Anonymous*

**economics**

With a fixed amount of resources, 20 units of computers or 30 units of food can be produced. Also, the combinations of computer and food can be produced. Combinations are 25 units of food and 4 units of computers, 20 units of food and 7 units of computers, 15 units of food and...
*September 11, 2012 by shakil*

**math**

what different combinations can you make with the letters BLSV.
*September 1, 2010 by scooby*

**algebra**

use linear combinations to solve these system. 3x+2y=22 9x-8y=-4
*November 29, 2010 by aviel*

**math 5th grade**

What are the multiplication combinations for 180?
*September 5, 2011 by andy*

**math**

making bracelets 3 strands 4 colors how many combinations are there
*September 19, 2011 by kevin*

**math**

how many combinations can you get with 18 flavors of ice cream and 70 toppings?
*February 2, 2013 by Emily*

**alegbra**

Use linear combinations to solve these systems. 5r-3s=12 3r+55=28
*October 13, 2013 by vanessa*

**math**

Can someone show me all the combinations possible with these things A B X Y LB RB LT RT L R U D
*July 26, 2008 by David*

**science**

find a chart to help with blood types and rh. allele combinations
*January 6, 2011 by matt*

**math**

all combinations of how to make $1,95c with dimes and quarters
*November 21, 2012 by alexey*

**Math**

How many possible combinations are there if a spinner with 4 sections is spun twice?
*March 27, 2014 by Hannah*

**Math**

how do you know when you have found all the multiplication combinations for a cetain number?
*August 25, 2009 by Gina*

**Physics**

What do we call the combinations of all forces that act on an object? I really do not know this!
*October 11, 2009 by Jake*

**Science**

What compounds can be formed by combinations of potassium, lithium, chlorine, and/or bromine?
*March 30, 2010 by Emmy*

**math**

How many different four-digit number combinations are possible from the numbers 0-9?
*March 25, 2011 by john*

**SCIENCE (GENETICS)**

if there are two forms of each of the seven traits, how many possible combinations are there?
*May 23, 2012 by JEN*

**math**

how many possible combinations are there to make $1.55 using a dollar, dimes and pennies?
*November 1, 2012 by sarah*

**math**

if you have 2 dice and you throw them once,what possible combinations of numbers can you get ? Is it 2^6=12 thanks
*February 12, 2013 by karen*