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	16 golfers		2009-03-18
		From Bill: We have 16 golfers. We golf for 5 days, in foursomes. It should work out that each player plays with each other player 1 time exactly. I just can't figure it out. Thank you in advance! Bill Answered by Claude Tardif and Victoria West.
	Division in different bases		2021-02-06
		From Promise: Simplify the following 302 in base6 divided by 5 in base6 Answered by Penny Nom.
	my prcentage of years on earth is		2020-09-21
		From Bill: This Tuesday is my birthday and I will be 69. and I just wanted to know life ear is say earth is 6 billion years old I'm just curious to what percentage does my existence on earth reptresent I do realize that it's a flash in the pan Answered by Penny Nom.
	Covering 1 acre, 6" deep		2020-03-02
		From Jim: How many cubic yards does it take to cover 1 acre 6" deep. Thank you Also, can you show me how you determined that answer. Answered by Penny Nom.
	Six digit numbers from 4 digits		2019-07-30
		From Tab: How many six digit combinations can be made from the numbers zero, two, five, eight? With repetition of numbers Answered by Penny Nom.
	Base 6 to base 4		2018-03-25
		From Malik: Hi Sir..! I just want to know the proper example with a brief explanation of conversion of base 6 into base 4. kindly reply me as soon as possible.. Thank you Answered by Penny Nom.
	Sampling distribution		2017-10-16
		From Esther: I need 4digits combination of 235689 and without replacement. Thanks Answered by Penny Nom.
	The square root of 6 is irrational		2017-10-02
		From John: http://mathcentral.uregina.ca/QQ/database/QQ.09.06/sylvia1.html In the initial assumption of that proof, root 6 is assumed to be a/b where a and b have no common factors, but why does having a common factor make it irrational? Answered by Penny Nom.
	A circle inscribed in a 30-6-90 triangle		2017-04-07
		From Kameron: i have been given a problem with a 30-60-90 triangle and a circle inscribed with a radius of 2 and was told to find the perimeter of the triangle Answered by Penny Nom.
	x^2 = -16		2016-12-12
		From A student: x to the second power = -16 what number solves the equation? Answered by Penny Nom.
	A six digit code		2016-05-06
		From Ralph: How many combinations are possible if a "safe" has four buttons and you can use a six digit code? (these are just single press buttons..)For example, this could be one possible combination: Button 4 Button 1 Button 1 Button 3 Button 2 Button 4. Thanks! Answered by Penny Nom.
	Golf for 6 - 2 three balls		2016-02-01
		From Andy: We are shortly having a golf holiday in Phoenix. There are 6 people playing 6 rounds, so we will play in 2 three balls. Is there a combination of pairings that ensures everyone plays with each other the same number of times. Many thanks for your help ! Andy Answered by Victoria West.
	6 teams randomly arranged in groups of 3		2015-10-19
		From Anthony: im trying to make a game scheduled for 6 teams using a 1vs2vs3 ; 4vs5vs6 format. all 6 teams randomly arranged in groups of 3. each team will play all teams at least twice, im trying to see how to make the number of times each team play another the same. schedule should be arranged as such 1vs2vs3 4vs5vs6 so that (1vs2, 1vs3, 2vs3) and (4vs5, 4vs6, 5vs6) i am limited to having only 2 sets of 3 at a time with 6 teams. Answered by Victoria West.
	A schedule for 16 teams		2015-10-14
		From Ellen: I will have 16 teams. I would like to figure out how I can have 4 groups of 4 teams playing in hour increments, but never meeting more than once. How do I accomplish this? Thank you so much for any help you can give to me. . Answered by Victoria West.
	We are six golfers going away for 3 days of golf		2015-10-13
		From Mike: We are six golfers going away for 3 days golf. We are playing in 2 no threeballs playing concurrently. How can we arrange things so that everyone plays averydody else at least once. Is this possible.? Answered by Victoria West.
	A 6-person team that has 9 players		2015-09-21
		From Sheri: I am organizing a 6-person team that has 9 players. How do I schedule them fairly over a 9 week league? Answered by Victoria West.
	20 golfers for 6 days		2015-09-11
		From Dave: have 20 golfers for 6 days. Each player should pair with 18 golfers used a system on your website which is good for 5 days, but cannot get the 6th day. Thanks for your help Dave Answered by Victoria West.
	16 golfers for 18 weeks		2015-03-22
		From Rose: We could use a schedule to include the following: 16 golfers 4 foursomes Each person plays once a week for 18 weeks. No one plays in same foursome more than 1 or 2 times, or the least amount of time. Thank you for your kindness. Answered by Victoria West.
	Base 6		2014-09-10
		From Amanda: using base 6, what is the next number after 25? 35? 55? and 455? I need to be able to show the base 6 material. Answered by Penny Nom.
	35 base 6		2014-09-10
		From Amanda: Sorry I am having trouble understanding base, 35 in base 6 means 3 10's and 5 ones, which is the same ____ in base 10? Answered by Penny Nom.
	4821x14y is an 8-digit number divisible by 72		2014-08-06
		From RAYA: if 4821x14y is an 8-digit number divisible by 72. How many values can x and y take? Answered by Penny Nom.
	A 6 team sports schedule		2014-08-02
		From Daniela: Hello, My husband and I are volunteering at our church's Jrs camp and we were given the task of making the schedule for sports. There will be 6 teams and a total of 3 games for two days. We would like for every team to play each other but we cannot figure it out. Pls help! Thanks. Answered by Victoria West.
	16 golfers over 15 weeks		2014-07-11
		From Steve: I need a schedule for 16 golfers over 15 weeks, where each golfer is paired with a different golfer each week and plays 4 matches per week against 4 different pairs (each pair does not have to play each week) Answered by Penny Nom.
	6 character strings using 1, 5 and 9		2014-06-15
		From Kevin: How many 6 digit combinations (i.e., 159159) can be made from 3 different numbers (i.e., 1,5, and 9)? The numbers will obviously have to repeat. A link to a calculator that could list all the combinations would be helpful. I've come across these sites: http://textmechanic.com/Permutation-Generator.html, and http://textmechanic.com/Combination-Generator.html , but am not sure how to use them for my specific case. Thanks. Answered by Penny Nom.
	The combination of 6 numbers from 1 to 355 that gives us 360		2014-05-29
		From Ion: Hi, My name is Ion and I am trying to find the number of combinations of 6 numbers (angles) that would sum to 360 (degrees). Thank you! Answered by Robert Dawson.
	Golf for 6		2014-04-21
		From barbara: We are a group of 6 golfers. We play in groups of 3 for 5 days. How can I arrange the groups that everybody plays with everybody else at least once? Thanks. Answered by Victoria West.
	A schedule for 6 people		2014-03-29
		From John: How do I set up a schedule where six people are here for ten of twenty days. Arranged in rotating groups of three, so everyone works with everyone else. Everyone works with everyone else at least once and everyone works ten days. Answered by Victoria West.
	A schedule for 6 teams over 12 weeks		2014-03-09
		From Paul: So I have a question. I noticed you came up with ways to create schedules and we are having a really hard time making our lineup correctly. Basically we have 6 teams that will play over a 12 week period every Monday night. The time slots are 1 hr each playing at 6, 7 and 8. We would like each team to play 3 games at each time slot over the 12 weeks. Is this something that can actually be accomplished? Thanks so much for your help! Answered by Eric Venables.
	6 golfers in threesomes over 7 rounds		2013-09-24
		From David: I have 6 golfers, (2 threesomes) who will be playing 7 rounds of golf. What is the best way to pair the 6 players so they play with as many different players over the 7 rounds? Answered by Victoria West.
	6 golfers in threesomes		2013-09-04
		From Gregg: We have 6 golfers playing in threesomes for three rounds of golf. I would like each golfer to play equally with the other 5. How can this be done. Answered by Victoria West.
	More on the scheduling of 16 golfers in 4 rounds		2013-08-26
		From Peter: I see your formula for 16 players 4 rounds. Is it possible to get the players into different groups each day. E.G Player 1 in group 1 the first day, Group 2 the second day, Group 3 the third day, Group 4 the fourth day. Then so on through the players. Answered by Victoria West.
	Golf for 16		2013-07-31
		From Graylin: I am going on a golf trip and we have 16 players and need to know a formula that will allow us to all play together at some point in the 4 rounds we are playing. If not possible please provide best case. Thanks. Answered by Victoria West.
	16 golfers		2013-07-31
		From Pat: 16 golfers...3 nine hole rounds a day...for 4 days. what are the best pairings for the fewest repeats of partners? Answered by Victoria West.
	A league schedule for 6 hockey team		2013-07-02
		From Giovanni: Hello, I try to make a league schedule for 6 hockey team. Each team will play 36 games during the regular season. I cannot find a proper schedule generator. Can you help me please? Thank you Answered by Victoria West.
	16 golfers in 2 groups of 8		2013-06-15
		From Derek: we are 16 golfers.2 groups of 8."A" group & "B" group.We are playing 4 rounds,4 players at a time,2 from each group.We don't want to play with or against the same person twice.IE we want to play with 7 different people each day.Is it possible ?-thanks-Derek Answered by Victoria West.
	16 golfers over 15 days		2013-04-02
		From Mark: 16 golfers, each plays the other 15 golfers once each over 15 days. played in four foursomes each day. What is schedule that allows each golfer to play with other golfers an equal number of times? Answered by Victoria West.
	Six-digit passwords		2013-03-19
		From Judy: Hello: Can you please explain why the answer to the following question is 10^6? What is the number of possible six-digit passwords when using the digits 0 through 9, with repetition allowed. Thank you. Answered by Penny Nom.
	We have 2 teams of 6 couples each that play 6 games		2013-01-25
		From Denise: We put together a game night where we have 2 teams of 6 couples each that play 6 games. We haven't been able to figure out an arrangement that allows each couple to play each game with a different couple from the opposite team (i.e. Team A couples play every game with a different couple from Team B). Is this possible? It works with 2 teams of 5 couples each. Answered by Chris Fisher.
	6 digit permutations from {1-49}		2012-12-27
		From ange: how many six digits numbers permutations can be formed with the set {1-49} if no digit is used twice in each permutation?? Answered by Penny Nom.
	Some 6 digit numbers		2012-10-23
		From Mason: How many different 6 digit numbers can you make using the digits 1 ,2 5, 6, 7, and 9? How many of these six-digit numbers are divisible by 6? Answered by Penny Nom.
	A schedule for 6 teams and 37 games		2012-08-29
		From Giovanni: Hello, i try to prepare a schedules for 6 teams, and every teams will play 37 games before the playoff. How to make a schedules? thanks Answered by Victoria West.
	Golf for 16 in 7 rounds		2012-08-16
		From Elizabeth: Hello, I am trying to sort out golfing for 16 guys for 7 rounds. However the twist is that the teams are broken down into 8 old boys vs. 8 young boys. Ideally, each of the players would only play each other once within their own team and then twice within all of the matches. Is that possible? Thanks for your help, my brain is hurting! Answered by Victoria West.
	2 threesomes for golf over 4 days		2012-07-16
		From Jim: How to arrange for 2 threesomes for golf over 4 days equitably. Answered by Victoria West.
	16 golfers, 4 rounds		2012-06-04
		From Gerry: 16 golfers, 4 rounds - best pairings so that everyone plays with each other at least once. Answered by Harley Weston.
	Golf 16		2012-05-29
		From marknp: 16 players only want tp play with one player each one time Answered by Victoria West.
	6/49		2012-05-25
		From Mark: Can you explain why the lotto 6/49 (a lottery of 49 numbers and 6 slots) is a combination and not a permutation? It seems to me that it would a permutation given that the numbers are written in numeric "order" when you look them up in the newspaper. I realize that 49P6 is orders of magnitude larger than 49C6. But I am confused about the reasoning behind it. Answered by Robert Dawson.
	16 golfers		2012-05-17
		From Nohemi: Can 16 golfers each play in foursomes for 6 days? I found the answer for 5 days, but is it possible to do it for 6. Answered by Robert Dawson.
	Golf for 6		2012-05-12
		From Steve: We have six golfers playing in two threesomes for six rounds of golf. Can you help solve this so that everyone plays with everyone else the same amount of times or close to it? Thanks! Answered by Victoria West.
	16 golfers		2012-04-20
		From steve: i have 16 golfers, 4 in "A" flight , 4 in "B" flight , 4 in "C" and 4 in "D" We are playing 4 rounds (4 teams of 4) and every group must have a player from the A B C an D flight, and in no round may 2 people have already played together! Answered by Victoria West.
	36 golfers		2012-02-15
		From Steve: We will have 36 golfers playing 4 rounds of golf and would like to have different foursomes each round. In other words, no player will play with another more than once. Answered by Harley Weston.
	Six golphers for 27 weeks		2011-10-04
		From ken: I have 6 golfers alternating playing in a group of 4 each week for 27 weeks. How can I create a schedule so that each golfer both plays equally and plays against the other golfers an equal amount of time Answered by Victoria West.
	16 golfers and 8 rounds		2011-05-26
		From Gerry: 16 golfers and 8 rounds. To have each player play with as many others as possible. Answered by Victoria West.
	Golf with 36 players		2011-05-09
		From Terry: What is the calculation to have 36 players play in a different foursomes each week. I would guess this would take 12 times but do not know how to figure this out Answered by Victoria West.
	A golf league of 60 golfers		2011-04-14
		From Keith: I have a golf league of 60 golfers and I want to have each golfer play in a different group of 4 each week for 24 weeks. How can I do this Answered by Victoria West.
	An even multiple of 27		2011-02-01
		From parth: the 6 digit # 63x904 is an even multiple of 27 what is X Answered by Penny Nom.
	16 golfers		2011-01-22
		From Jack: I am responsible for setting up groups for 16 golfers for 7 days, is there a formula to calculate playing partners so that everyone gets to play with each person? Answered by Victoria West.
	16 golfers		2011-01-16
		From Kenneth: Our group will play 12 rounds. We are 16 golfers. How can I schedule 12 days of differing foursomes limiting repeats in the foursomes Answered by Victoria West.
	Draw a figure with 16 triangles using only 6 line segements		2010-12-16
		From Jill: How can you draw a figure with 16 triangles using only 6 line segements? Answered by Stephen La Rocque.
	6 rounds of golf		2010-11-29
		From Andy: I wonder if you are able to assist me with scheduling pairings for a forthcoming Golf Tournament ? There are 7 players and we will be playing 6 rounds - each round will be a 3 ball and a 4 ball. I am trying to work out a schedule that means everyone plays with each other roughly the same number of times. Also, we are looking to ensure everyone plays in roughly the same number of 3 and 4 balls. Any suggestions would be much appreciated - thank you. Answered by Chris Fisher.
	The sides of a 30-60-90 triangle		2010-03-29
		From maris: Find the sides of a 30-60-90 triangle whose perimeter is 6. The solution must use systems of equations using 3 variables. Answered by Penny Nom.
	An isosceles triangle		2010-02-11
		From Kim: I am given the length of the two legs of an isosceles triangle (8), and the base angles are 30 degrees...I am asked to find the area of the triangle with only this information Answered by Tyler Wood.
	Bases larger than ten		2009-12-14
		From Nick: For numbers in bases larger than ten, what are the digits by mathematicians' conventions? I assume the first 10 are always 0-9. I know two computer science conventions (for hexadecimal (A-F case-insensitively) and for base 85 (case-sensitivity plus 23 other characters)) and as a school student I learned that base 12 uses either T and E (which confused me when I thought they stood for Eleven and Twelve) or A and B, the latter as capitals only. Clearly, these conventions are in conflict. I saw your reply in http://mathcentral.uregina.ca/QQ/database/QQ.09.99/magin1.html as accessed a few minutes ago but hope that in the 10 years since then mathematicians have arrived at a convention. Have they? Thank you. -- Nick Answered by Claude Tardif.
	6 numbers from 53 numbers		2009-11-17
		From MIGUEL: IM A STUDENT IN HIGH SCHOOL AND IM HELPING THE SOCCER COACH WITH PLAYS SO I NEED ALL THE POSSIBLE NUMBER COMBINATIONS OF NUMBERS 1- 53 IN SETS OF SIX THE NUMBER CAN ONLY BE USED ONCE IN EACH SET. Answered by Penny Nom.
	16 teams, 15 weeks, would like to pair up with no repeats.		2009-05-12
		From Kimberly: 16 teams, 15 weeks, would like to pair up with no repeats. Thank you so very much. Answered by Robert Dawson.
	Six teams, two sites, and four days		2009-05-08
		From John: I have six teams, two sites, and four days. We have decided that we want to have tri-meets, where there would be three teams competing against each other at the same site each day. Here is the problem, I need to make sure that each team sees each other team at least once and each team goes to each site at least once. Answered by Victoria West.
	A 6 team social softball league		2009-05-02
		From Don: Hi We have a 6 team social softball league with only two fields. Each team plays two games each Saturday. We have three time slots 10:00, 12:00 and 2:00 We play for 11 Saturdays and than have a 2 weekend playoff. All teams prefer double headers vs the split at 10:00and 2:00. How do we schedule as balanced a schedule as possible and minmize the splits ? Thanks Don Answered by Laura Morrison and Victoria West.
	How do you convert 1248 to base 6?		2009-05-02
		From Tamara: How do you convert 1248 to base 6? Answered by Penny Nom.
	Adding in base six		2009-03-29
		From Lucy: If you are working in base 6, what do you have to add to 4(base 6) to get 10(base 6)???? Answered by Penny Nom.
	0123456789		2009-03-25
		From Dr.: Many years ago I discovered that there are 33 numbers which, when multiplied by 0123456789, simply rearrange the digits. Surprisingly (to me at least) is the fact that the digits of all of those 33 numbers add up to one of the 6 "cardinal" numbers 1, 2, 4, 5, 7, and 8. For example 6 + 2 = 8 and 62 X 0123456789 = 7654320918 etc. Another interesting (to me) fact is that only the cardinal numbers 1, 2, 4, 5, 7, and 8 rearrange the digits in the number 9876543210. My question is: "Is this known to anyone but me and the people I have told?" Answered by Robert Dawson.
	Buying 13,983,816 tickets for the 6/49 lotto		2009-02-23
		From luis: if 6/49 lotto combinations is 13,983,816 combinations at 10.pesos per combinationthe price amount is 139,838.160.00 is it wise for me to get all the combinations since the the pot money is more than 347 million pesos. Am I right? Answered by Robert Dawson and Penny Nom.
	16 golfers playing one round of golf on each of four days		2009-02-22
		From Jim: I have seen solutions for other combinations of setting up a golf trip but I haven't seen one for my group. We have 16 golfers playing one round of golf on each of four days. Is there a way for all of them to play in foursomes so that everyone gets to play with everyone else? Thanks for your consideration. Answered by Chris Fisher.
	6 golfers playing 8 rounds		2009-02-21
		From evan: I have a group of 6 golfers playing 8 rounds. we would like to rotate the 3 somes so each person golfs with different people as many times as possible Answered by Chris Fisher.
	A 30-60-90 triangle		2009-02-03
		From Inez: If you have a 30-60-90 triangle and the only side you get is 73 and a 90 degree box, how do you find the area? Answered by Penny Nom.
	16 golfers		2009-01-11
		From Bill: I have read many of your answers to similar questions but still need your assistance. We have 16 golfers that will be playing in 4 groups of 4 each day on an upcoming golf vacation. Can you suggest the best way to scheudle the individuals assigned to each daily foursome so that we have the most diversity in foursomes throughout the vacation. I am trying to have evryone play with as many members of the group over the week with the least amount of repetition. If you would please provide it for both 6 and 7 days, since we are not sure yet how many days we will be playing. 16 golfers-playing in groups of 4 each day-6 days 16 golfers-playing in groups of 4 each day-7 days Answered by Victoria West.
	6 golfers play threeball		2008-12-04
		From Ian: I have a group of 6 golfers wanting to play 3 rounds as 2x threeballs, but with different players each day. Is this possible? Can you provide some threeball combinations for this please? Answered by Victoria West.
	Six golfers		2008-11-25
		From Joe: I have a group of 6 golfers wanting to play 3 or 4 rounds but with different players each day if possible. We know we cannot make it happen without some playing with the same person. Can you provide some pairings for this? Answered by Victoria West.
	A six sided lot		2008-06-25
		From Zack: Please help me find the area of my lot. I am sending a fax of the drawing and dimensions. Zack Answered by Harley Weston.
	A 6 digit number		2008-04-23
		From rajiv: write the smallest 6-digit number using three different digits with 6 in the ten thousands place and 1 in the hundreds place Answered by Penny Nom.
	A 30-60-90 triangle		2008-04-16
		From Ron: 30-60-90 triangle. Base is 2.75 how do I find the length of the other two sides? Answered by Penny Nom.
	Combinations		2008-01-08
		From david: is there a simple formula to follow for the number of combinations a set of numbers could have ie.( lotto 649, 6 numbers, 1-49 range) Answered by Penny Nom.
	For how many positive integers n is n^2 + 96 is a perfect square?		2007-12-18
		From Rajesh: For how many positive integers n is n^2 + 96 is a perfect square ? Answered by Penny Nom.
	6 consecutive multiples of 6		2007-11-11
		From jeff: find 6 consecutive multiples of 6 whose sum is the least common multiple of 13 and 18 Answered by Penny Nom.
	I have a 6 digits		2007-09-28
		From Kim: I have a 6 digits. My hundred-thousands digit is 1 less that my ones digit, 8 more than my thousands digit, twice my tens digit, and 4 times my hundreds digit. My ten-thousands digit is 0. What number am I? Answered by Stephen La Rocque.
	The grade 6 math curriculum		2007-02-24
		From Ajay: Do you have a list of topics a 6th grade students should learn in the 6th grade? I am "rusty" in math and would like to assist my son... Example: if an icetray has X cc of water and is split into 8 parts...what is the volume of each part...is this truly 6th grade level math? Answered by Pam Fowler and Penny Nom.
	A dinner group of 16 couples		2006-11-02
		From Nancy: This is a real-world problem. I should know the answer but I don't. A friend is starting a dinner group of 16 couples, to be distributed across 4 houses. Each month she wants to have a different set of host houses (no problem) AND she doesn't want repeats among pairs. That is, if the Smiths and Joneses are together one month, they should not be together another month until all the combinations have been exhausted. How many valid combinations are there? Is there a formula that I can convert into a computer program? I will have to get the names from my friend and give her back the combinations as she would not be able to deal with the math formulation. Answered by Denis Hanson.
	How many digits are in the number 2^64?		2006-06-14
		From Trang: How many digits are in the number 264? Answered by Stephen La Rocque.
	Interest computed on a 360 per year basis		2006-04-06
		From Sonya: Okay, I am reading this promissory note that says interest is computed on 365/360 basis by applying the ratio of annual interest rate (24%) over a year of 360 days. I sure do not remember anything like this in school, and am stumped. Answered by Stephen La Rocque.
	A 30-60-90 triangle		2005-09-11
		From Gary: I have the length of only 1 side of triangle with angles of 30-60-90 degrees. How can I find the length of the other 2 sides? Answered by Penny Nom.
	A golf outing for 16 golfers		2005-08-05
		From Bob: I have a golf outing fast approaching and I’m having a problem matching the golfers so that everyone plays a round of golf with every other golfer in the group. My problem is this: I have 16 golfers playing 5 rounds of golf. I would like a different foursome for every round of golf, that is each round (5 total) an individual is playing with 3 other players he hasn’t played with as of yet. Can you crunch the numbers and get back to me? The way I see it, we have 20 combinations (5 rounds x 4 golfers) with numbers 1 thru 16. Answered by Chris Fisher.
	A 30-60-90 triangle		2004-11-09
		From Amy: How do you find the length of the hypotenuse of a 30-60-90 triangle when the side opposite the 60 degree angle is 6 inches? Answered by Penny Nom.
	Choosing 5 numbers from 1,...,36		2004-06-30
		From A lottery player?: how many combinations are there for the numbers 1thru 36 when only using each number once in groups of five Answered by Penny Nom.
	The Number of the Beast		2004-06-13
		From A Heinlein reader: Most people who have an interest in mathmatics are familiar with Robert Heinlein's novel "The Number of the Beast", where 666, or ((6 to the 6th power) to the 6th power) equals 1.0315 times 10 to the 28th power, which in the novel is the number of parallel universes in the cosmos. My question is what would the number of parallel universes be if you grouped 666 the other way: (6 to the power of (6 to 6th power)). I have tried this on my calculator, but it won"t register that high. Answered by Penny Nom.
	Three consecutive positive intergers		2003-02-09
		From Yew: Prove that when we multiply any consecutive positive intergers, the result is always divisible by 6. ex. (7)(8)(9) = 504 = 6 (84) Answered by Penny Nom.
	6 digit numbers from 0,0,2,2,4,4		2003-01-23
		From Amanda: How many 6 digit numbers can you make from the numbers 0,0,2,2,4,4, giving that 0 cannot come first. The number has to contain 2 twos, 2 fours, and 2 zeros. Answered by Penny Nom and Claude Tardif.
	A polynomial		2002-04-14
		From A student: A polynomial function is described by the following conditions: f(x) has two real zeros at x= -2 and x= 1, each of multiplicity 2 f(x) has two complex zeros as x goes to -infinity, f(x) goes to +infinity as x goes to +infinity, f(x) goes to +infinity f(x) has a y-intercept at (0,2) Sketch a polynomial function that satisfies the above conditions. Write an equation for function f(x) Write another function g(x) that also satisfies the above parameters. Answered by Penny Nom.
	A lottery question		2002-03-25
		From Noel: I want to take all numbers in a Lotto game from 1 to 45 and ditribute them between 9 boxes each containing 5 numbers. Each number is used only once. What is the probability that I derive the correct combination of 5 numbers in the draw? What is the probability if I take a systems game and now distribute 9 numbers into each of 5 boxes? Once again, the numbers are used only once. Can you explain what formulae are used and how the answer is derived? Is this a distribution or combination problem? Or is it a combination of both distribution and combination? Answered by Andrei Volodin and Penny Nom.
	How do you get to 100 by using 6 nines?		2001-11-17
		From A student: How do you get to 100 by using 6 nines? Answered by Claude Tardif.
	60 seconds in a minute		2001-10-11
		From Andy: I am a fourth grade teacher. Yesterday my students asked "Why are there 60 seconds in a minute?" Which also led to 60 minutes in an hour? I have had trouble determining why the number 60? Any help would be appreciated. Answered by Penny Nom.
	1996^1999 and 1999^1996		2001-07-29
		From Rajesh: what is greater 19991997 or 19971999? Answered by Chris Fisher.
	A calculation with 6 numbers		2001-06-16
		From Edwin: I'm asked to come with, and program (in Ansi -C) an algorithm that calculates all the possible results of a calculation with 6 numbers and one result. For example: I want all calculations with the numbers 3, 3, 8, 8, 2, 9, and with a result of 786. all numbers may be used once, arithmetical operations allowed are + - / *, fractions are not allowed. The problem here is what is a fast method to do this (i.e. what's algorithm that can to this). Answered by Claude Tardif.
	4160		2001-03-07
		From Jessica: The product of two consecutive page numbers in this book is 4160. What are the page numbers? Answered by Penny Nom.
	Lotto 6-49		2001-02-27
		From A student: I am a secondary student and I was wondering if there was a better way to find out how many combinations and what they are in the lotto 6/49 than writing them out on a piece of paper. Any help you can provide me with would be greatly appreciated. Answered by Penny Mon.
	Lucky dip		2001-02-09
		From Andrew: I buy 8 lucky dip (random number) panels, each panel has 6 numbers chosen at random from 49. I never seem to cover more than 32 different numbers on average, over the total 48 numbers chosen, which seems low? How can I calculate the probability of 32 different numbers or 33 diferent numbers? Answered by Claude Tardif.
	Divisibility by 16		2000-12-12
		From Shiling: A number can be divided by 16 if and only if its 1st four digits can be divided by 16. How can you prove that? Answered by Penny Nom.
	1234567890		2000-09-14
		From Bradley Kloetzly: Can you find two whole numbers, with the smallest possible difference between them, which when multipled together equal: 1234567890? Answered by Harley Weston.
	6-49		2000-09-14
		From Steve: In our state lottery you must choose 6 numbers (1-49). How many different combinations are there? They can be in any order. Answered by Harley Weston.
	The side length ratios of some triangles		2000-04-04
		From Alexis Lockwood: I am doing a project for my Math 30B class regarding the side length ratios of 45-45-90 degree and 30-60-90 degree triangles. I would really appreciate any assistance in answering the following questions, or even direction to an appropriate web site or resource on the matter. Answered by Harley Weston.
	Golf Problem - The Sequel		1998-11-13
		From Bob: Sixteen golfers, seven rounds. What are optimum combinations for each golfer to play with as many different golfers as possible? Many thanks, Bob Payson Answered by Denis Hanson.
	Why is a circle divided into 360 degrees?		1996-09-30
		From Kurtis Kredo: I was recently wondering why a circle has been divided in to 360 degrees. When I asked my physics teacher he could not think of an answer. His guess is that it probably has to do with people long ago using the base 6 number system. I have a small inkling that it has to do with easy conversion or usage with radians or grads. Answered by Chris Fisher.

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