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A circle with a circular hole 2019-03-11
Sue pose la question :
My little one is wondering if a circle with a circular hole could be described as an irregular semicircle.
As it has 2 sides but is not the standard shape. Could you share your thoughts ??

Penny Nom lui répond.
A 15 team tournament 2015-10-28
Joseph pose la question :
We have a 15 team tournament. Each team plays all other teams. We need a schedule were each game has a work team. Thus at each fields we have two teams playing and one working. All teams need to play each other and also be a work team. Any help would be appreciated!!
Victoria West lui répond.
A 12 week poker tournament 2014-05-12
Jamie pose la question :
Looking to schedule a 12 week poker tournament with 18 players ...playing 2 separate 9 person tables...I'm looking to have a balanced schedule where everyone player with each other an equal amount of time
Victoria West lui répond.
A football schedule 2009-08-14
Bill pose la question :
I am having trouble with a football schedule that has two divisions of five teams each, 1-5 and 6-10. 1-5 will play against each other in the first 4 weeks and also the the last 4 weeks with teams 6-10 completing the middle of the schedule. The schedule is 13 weeks. Thank you for your time
Chris Fisher and Victoria West lui répond.
Golfing with an unpopular golfer 2009-07-23
Ian pose la question :
"We are a group of 8 golfers, one of whom is unpopular. How can we construct a schedule, of two foursomes, so that each person is scheduled to play with him the same number of times. What does the week by week schedule look like?"
Robert Dawson and Victoria West lui répond.
A ten player schedule 2009-02-19
john pose la question :
I HAVE 10 PLAYERS ONE GAME PER NITE FOR 10 WEEKS WHO PLAYS WHO FOR WEEK 1 THRU 10 THANK YOU
Victoria West lui répond.
7 golfers playing 4 days of golf 2009-01-30
Trish pose la question :
I have 7 golfers and we are playing 4 days of golf. I would like to do pairings so that everyone gets to play with each other at least one time. Can you help with this? Not a math whiz here and looking for help. Thank you.
Victoria West lui répond.
18 golfers and 5 rounds 2009-01-10
steve pose la question :
We have 18 golfers 5 rounds . Would like 3 foursomes and 2threesomes each day Different groups each day.
Victoria West lui répond.
Polygons with two names 2008-10-24
Connor pose la question :
Why do some polygons have two names and what are they?. Thanks
Harley Weston lui répond.
20 golfers playing 5 rounds in 4-somes 2008-09-03
joe pose la question :
20 golfers playing 5 rounds in 4-somes. 5 players in group A play with all 15 golfers in groups B,C,D but not with any in their own group (A). 5 players in group B play with all 15 players in groups A,C,D but not with any in their own group (B) and so on. So each 4-some has an A,B,C,&D player each of the 5 rounds.
Chris Fisher lui répond.
A golf tournament 2008-06-24
Roland pose la question :
We have a golf tournament, 12 players, three rounds. We want to pair so that we have pairings with as few duplications as possible.
Janice Cotcher lui répond.
A 9 team flag football tournament 2008-05-22
James pose la question :
I like to run a 9 team flag football tournament where each team is guaranteed 3 games prior to playoffs. All games must have playoff implications and must not be a consolation game.
Victoria West lui répond.
How many games? 2008-05-12
Amy pose la question :
Central Middle School is hosting a city-wide ping pong tournament. Twenty students signed up for the tournament. Each player plays another; the winner goes on to the next round. Elimination games continue until there is one grand winner. How many games must be played to find the grand winner?
Penny Nom lui répond.
Golf pairings 2007-10-02
Mike pose la question :
Regarding arranging golf players so no person plays with anyone more than once. You have given examples for 16 and 24 players. If it can be done, i need a solution for 20 players, 4 players per team one round per day for 5 days
Victoria West lui répond.
More on quadrilateral shape names 2007-05-26
Don pose la question :
If North Americans call a quadrilateral with no parallel sides a trapezium, is a kite merely a special type of trapezium? Can a rhombus be a kite?
Walter Whiteley and Penny Nom lui répond.
A 13 sided figure 2007-04-12
Kiara pose la question :
I was wondering what you call a 13 sided figure. I'm in 6th grade and my teacher said i could get extra credit if I figure this out. Thanks a lot for your help.When I get extra credit I will be sure to mention you guys! Thanks!
Stephen La Rocque lui répond.
The name of a shape 2006-11-11
Valentina pose la question :
I have a shape of 4 sides 3 are the same length (2cm each) and the other smaller (1.5cm)
Chris Fisher lui répond.
My fantasy football league 2005-08-16
Jim pose la question :
I have to make a schedule for my fantasy football league. There are 10 teams in the league and we play a 13 week season. The challenge is we want to play each team only once during the first 10 weeks. This way no team will play another team twice without having played each team at least once. Is this possible?
Penny Nom lui répond.
What's it called? 2004-04-22
Gerry pose la question :

I'm a father and a grandfather and have come up with a game for my offspring to play while we're on the road. When we see a license plate, the object is to be the first one to add all the numbers on it, and come up with THE one digit number that sums them up.

For example: ABC-787 = 7+8+7 = 22 = 2+2 = 4

Another example is 2932 = 2+9+3+2 = 16 = 1+6 = 7

Up 'til now, I've called it just plain "Numerology", but I'm sure that there's a math term for what we're doing, and I'd sure appreciate it if you could tell me what it is!


Chris Fisher and Penny Nom lui répond.
A fifteen sided polygon 2004-03-05
Joann pose la question :
WHAT IS THE NAME OF A FIFTEEN SIDED SHAPE?
Penny Nom lui répond.
The quadratic formula 2003-08-31
Alex pose la question :
I am using Houghton Mifflin's Precalculus with Limits book, 2nd edition. However, the first chapter encompasses Algebra review, and I am stuck on a problem. All that's required is to solve the following and verify using a calculator:
3y2+6y+2=0
I have solved the problem using the quadratic formula, but from what I remember, the quadratic formula is used in the case of equations following the AX2+BX+C=0 pattern. As the problem I am attempting uses a y-variable, can I still use the quadratic formula? Since I am not sure what route to take in solving this problem, I am hoping you can assist me.

Harley Weston lui répond.
A golf tournament 2003-08-23
Dale pose la question :
I am running a golf tournament with twelve golfers. We will be playing four rounds of golf. I don't want to schedule the same two players together more than twice (if possible). How would I make a schedule that each player would play at least once with every other player? I would appreciate any help that you can give me.
Denis Hanson lui répond.
Division names 2003-03-10
A parent pose la question :
what is the answer to a division problem called
Penny Nom lui répond.
Hundreds, thousands, millions,... 2003-02-19
Karissa and Jasmeen pose la question :
hundreds, thousands, millions, - can you help us with the rest of this sequence - we are trying to find the largest number
Penny Nom lui répond.
A schedule for a fantasy football league 2002-09-01
Steve pose la question :
i am in a ten(10) team league, split evenly into two five team divisions. we play a thirteen(13) game schedule and would like to play each team in your own division twice, and each team in the other division once. according to my rudimentary mathematics that equals 13 games. a good schedule should look somthing like this: team 1-5 = division 1 team 6-10 = division 2 team 1 should play teams 2-5 twice and teams 6-10 once.
Claude Tardif lui répond.
A schedule for 24 golfers 2002-05-25
John pose la question :
I am working on a schedule for 24 golfers. 6 groups of 4. I have 8 golf days (twice per week for a month).

Ideally, I would like to schedule all 24 golfers in 6 different groups of 4 on each day. Here is the catch.....no golfer in any group can be grouped togther more than once. Every group of 4 each day will have 4 new golfers that have never played together before. Is this possible?


Chris Fisher lui répond.
12 pairs playing bridge 2001-11-09
Diana pose la question :
I have 12 pairs playing bridge against one another for 12 games. I need to have each pair partnered with another pair -- but only once. I'm looking for a schedule for play for all 12 games. They should only be able to play against another team only once also. (ex: 1/2 v 3/4 then 4/2 v 3/1) Thank you for this opportunity to solve my dilemma.
Claude Tardif lui répond.
A 91-gon 2001-09-10
Ashley pose la question :
Hi! My name is Ashley and I am an 8th grader and I couldn't find the name of a polygon with 91 sides. i was a question from my math teacher.
Penny Nom lui répond.
6,000,000,000,000,000,000 2001-07-12
James pose la question :
How would I express 6,000,000,000,000,000,000 in words?
Leeanne Boehm lui répond.
Names of the polygons 2001-03-15
Sami pose la question :
I was asked to find out what the names for different polygons were. The only two I cannot find are the names for a polygon with 30 sides and a polygon with 40 sides. I would really appreciate it if you could help me. Thank you very much.
Harley Weston lui répond.
Shape names 2001-02-26
Paul pose la question :
I have been asked to give names of shapes from A to Z . I can only find 14 shapes can you help..... I'm missing letters b, g, j, l, m, n, u, v, w, x, y, z.
Harley Weston lui répond.
Undecagon 2001-02-21
Karen pose la question :
I need to know what kind of a polygon an undecagon is and how many sides it has. This is a problem in my math book.
Penny Nom and Michael Tsatsomeros lui répond.
Scheduling a golf vacation 2000-12-05
Michael pose la question :
I'm having a problem scheduling matches for a golf vacation. We have 12 people playing 7 rounds of golf in 7 days. We play 2 man teams vs. 2 man teams everyday.Is there a formula so that you play WITH a different partner everyday and AGAINST as many different people as possible? Thank You for any help you may be.
Penny Nom lui répond.
A 100-gon 2000-05-24
Chris Mohr pose la question :
What is a 100-gon called?
Harley Weston lui répond.
Names of the polygons 2000-01-29
Janemath pose la question :
I have been doing research on the names of polygons with 11 to 20 sides. I have found conflicting names for some of them . for example 18 sided-octadecagon and octokaidecagon. 11sided-undecagon and hendecagon. Why is this? Is one more correct than another? Or are they equally acceptable?
Harley Weston lui répond.
Scheduling Meetings 1999-06-25
Beth Carver pose la question :
We have 6 groups meeting at three different places simultaneously. The meetings take place once a month each year. Is there a way to have each group meet with each of the other groups at least twice in a year, four times in each place?
Chris Fisher and Harley Weston lui répond.
A Kite 1998-10-07
Paul Scott pose la question :
What is the mathematical term for the kite shape?
Walter Whiteley lui répond.
The origin of angles 1998-02-24
Marc Poulin pose la question :
I'm currently teaching angles to students in grade 10 and I've been asked what's the origin of the terms degrees, radians and gradians.

I know that the radians come from the sexagesimal numerical system of the Babylonians but my kids wanted to know dates and persons who would have brought these terms first.
Harley Weston lui répond.

The Division Bracket. 1997-04-09
Judy Riley pose la question :
A fellow teacher recently asked if I remembered the exact word for a division bracket (not the symbol with dots, the horizontal line in a fraction, or a solidus). I couldn't. Can you help?
Walter Whiteley and Harley Weston lui répond.
Names of the Polygons 1997-03-04
Manuel pose la question :
What do you call a 13 sided polygon?
Is there a list of the different names?

Walter Whiteley and Harley Weston lui répond.
Could you tell me the name for the bar in a division problem? 1996-10-21
Linda pose la question :
Could you tell me the name for the bar in a division problem. Not the line with dots on either side but the line that divides the two numbers? My name is Linda. I am asking for my niece who is in 8th grade.
Chris Fisher lui répond.
Thousands, millions, billions and trillions 1996-08-22
Blaine pose la question :
What are the names of the periods in groups of numbers like 123,456,789. I need to know the names of them for school. I already know the first ones: units thousands millions billions trillions.
Penny Nom and Diane Hanson lui répond.
Diagonals in a polygon 1996-06-18
Steven pose la question :
How many diagonals are there in a polygon?
Denis Hanson lui répond.
 
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