140|2|AQuestion|12/18/2010|16:30:38|AQuestion (Guest)|Circular Diameters Within A Circumscribed Circular Area|Hello.%0A%0AThis may be a simple question%2C but it%27s one which I must grapple with at the moment.%0A%0AI need to know how to figure the circular pe||2||2
83|0|alexb|11/21/2010|06:45:50|The Teacher (Guest)|sequences|what is the next 10 numbers in each sequences.%0A1%2C2%2C2%2C4%2C2%0A3%2C1%2C4%2C1%2C5%0A%0Athis should be easy||275||7
139|3|alexb|03/08/2010|00:21:36|WVIlIWVV|Clarification on proof %2382 of pythagorean theorem please|I understand that based on the similarity between Triangle ABC and DBE that the AA similarity dictates that x%2F%28a-x%29%3Db%2Fc%2C but i do not unde||2||1
138|3|alexb|03/06/2010|17:17:45|Catherine (Guest)|Proof %2325 of the Pythagorean Theorem|I don%27t really get why a%26%239744%3BLMOA%3Da%26%239744%3BLKCA%3Da%26%239744%3BACDE and a%26%239744%3BHMOB%3Da%26%239744%3BHKCB%3Da%26%239744%3BHKDF||1||1
137|0|alexb|10/12/2009|15:27:48|Edward (Guest)|question about 8 balls%2C 3 weighings|There are many websites which detail the 12 balls%2C 3 weighings problem.  %28one ball of a different weight to the other 11%2C but not known whether ||3||3
136|0|alexb|07/10/2009|11:20:46|Ahmet (Guest)|Are these sets equal%3F|Dear Sir%2C%0A%0A%0AI%27ve got a question on Sets.. I%27ll be very appreciate if you help me..%0A%0ALet%0AA %3D %7B3%21%2C 2%5E3%2C 12%2F15%7D and B %||1||1
135|0|alexb|06/01/2009|23:07:56|Lawrence  (Guest)|geometric proof|Dear Alexander Bogomolny%2C%0A%0AI love your %27cut the knot website%27%2C which is indeed both accurate%2C serious%2C and authoritative in your mathe||6||4
134|4|alexb|03/16/2009|23:08:24|Paul (Guest)|parentheses%2FPEMDAS game|I am looking for a game that I came across some time ago.  I believe it was Java-based%2C and I thought it was on cut-the-knot%2C but I can%27t find i||1||1
59|3|Kayla|03/05/2009|18:34:01|GAry  (Guest)|Problem solving Magic triangles|You have 2 triangles that overlap each other looks like a star when overlapped. The question ask to Place the numbers 1-12 at the dots so that the sum||316||3
133|4|Sid|10/06/2008|11:11:10|likesmath|Help me find Hisashi ABE%2C Pythagorean Theorem|I am supposed to find out about Hisashi ABE. He found a solution to the Pythagorean theorem-relatively recently 1980%3F. I tried Google and Yahoo%21%2||4||2
113|2|megamath|08/25/2008|12:17:36|Chris Tolley (Guest)|Numbers raised to the power of 0|Please can anyone explain to me why%2C when any real number is raised to the power of zero%2C the result is 1.||382||20
129|0|megamath|08/25/2008|12:17:36|Susan (Guest)|long division|Can anyone help me%3F%3F%0A%0AI need a number which divides by 2%2C3%2C4%2C5%2C6 and always leaves remainder 1 but divides by 7 and leaves no remainde||56||4
64|2|52-Card Monty|08/05/2008|12:48:19|linkdon|Monty Hall Problem|I recently read the book _The Man Who Loved Only Numbers_ by Paul Hoffman %28the story of the prolific mathematician Paul Erd%F5s%29. In his book%2C H||1611||75
132|0|alexb|05/20/2008|13:32:50|Gerald B. (Guest)|Constucting a triangle instructions|Dear Alex%2C%0A%0AI%92ve been enjoying  your math-focused website.  I ran across this explanation for triangle construction given an angle %93A%94%2C ||3||3
131|4|Carolyn|04/04/2008|08:35:02|Carolyn (Guest)|Divisibility rules - Jargon buster needed|http%3A%2F%2Fwww.cut-the-knot.org%2Fblue%2Fdiv7-11-13.shtml%0A%0AI can follow the explanation from the example but would still like to know what these||24||2
130|0|alexb|02/23/2008|16:46:39|Bui Quang Tuan|Fifth Power Of Digits|Dear All My Friends%2C%0AWhy fifth power of any digit is ended with this same digit also%3F%0AHere is my calculations%3A%0A0%5E5 %3D 0%0A1%5E5 %3D 1%0||12||3
128|0|laloka|01/30/2008|12:06:32|jasmine (Guest)|math|i think that the square root of 100 is 50||8||3
80|3|Martin|01/13/2008|08:24:07|Dmom (Guest)|math problem no answer in sight|I beleive this is a problem from Benjamin Banneker %0Ayou must spend %24100 and buy 100 animals%0ACows %245.oo each%0AGoats %241.00 each%0AChickens .0||353||24
65|3|alexb|05/28/2007|23:27:59|brooke61790|Fabulous Fours|We are doing this thing at school where we have to make every number from 1 - 100 using only four 4%27s and exactly four 4%27s to make each number.  F||399||5
66|3|Jacob B|05/25/2007|09:51:34|syko|math puzzle|Can anyone figure this out%3F%0A%0AA column of soldiers is 25 miles long and they march 25 miles a day  One morning a messenger started at the rear of||1706||43
127|3|Tony Wall|04/26/2007|15:09:20|Tony Wall (Guest)|golf problem|I am about to go on a golf tour with 24 players - we are playing 4 rounds on 4 days - each player plays in a group of 4 people - there are 6 groups of||0||0
126|0|Bogusia|04/17/2007|12:15:57|Bogusia (Guest)|Hexa Trex... New Math Puzzle|I just wanted to let you know of a new math puzzle I created.  It%27s called  Hexa Trex .  The object of the puzzle is to find a path through ALL the ||0||0
125|0|alexb|04/12/2007|11:49:36|jenny (Guest)|what is this puzzle called%3F|is there a name for this kind of puzzle%3A%0A%0Aa birthdate is 04%2F26%2F66 how many ways do they connect%3F%0A4%3D 2-6  etc.%0A%0Ais this a puzzle te||1||1
124|3|TMartin|02/21/2007|08:08:49|TMartin (Guest)|Math Puzzle ..Seems impossible|Ok u have 2 squares on top and 3 on bottom yet the 3 on bottom goes as one being underneath the top left square and the other 2 out to left beside it%||0||0
122|3|NAL|11/20/2006|07:31:26|coolman (Guest)|raising 4 to the n-th power|Hello. My friend asked me to slove a math problem%2C but i can%27t slove it too%3A%0A%0AFind all values of %27n%27 in this equation%3A 4%5En %2B 4%5E%||10||3
95|0|suporabhath|10/28/2006|06:27:28|Raelynn|Word problems|Help me do these word problems.%0A1.For every 150 seed you sow%2C97 germinate. At this rate%2C how many seeds will germinate if you sow 2550 seeds%3F%||120||2
109|0|Silver_dragon|10/23/2006|22:08:59|AEROX (Guest)|Math Layout|I am having some trouble figuring out a way to make a layout of a cube I have to draw different ways to amke a cube and do not understand%3F||36||5
121|0|alexb|09/30/2006|07:07:29|abhineetkaul|Parallel Lines|Hi%2C%0A%0ACould you please clarify my doubt that in a 2-D plane%2C where do parallel lines meet%3F Do they meet at %2B infinity or  - infinty or both||20||3
52|3|iliaden|05/21/2006|23:29:51|Jules4Rog|a walking man and a running dog|A man is taking his dog for a walk.  They set off together for a waterfall 10 miles away.  They set off exactly together and the man walks at a steady||499||8
120|3|stapel|05/08/2006|13:27:32|Jasmine (Guest)|How to solve a Parabola graphically|I don%27t understand how to solve parabola question grapahically. Can you please help me%3F||13||3
115|2|David Levy|04/12/2006|09:05:00|Girish (Guest)|Stuck in Peg Solitaire|Hi Everyone%21%0A%0AThis is a truly great site.  I was very pleased to see a good%2C jargon-lite explaination for how to go about solving Hi-Q %28Peg ||28||3
105|0|mr_homm|04/07/2006|20:22:27|Ramsey_KJ|An Urn and 2 Balls|Here is a probability problem that is ancient but a little demanding that I got off the MAA web sight.  Suppose that there is an urn with  two balls i||87||7
78|3|iliaden|04/02/2006|22:23:43|Jack (Guest)|simple puzzle-why%3F|This seems simple but....%0AA car racer needs to complete two one mile courses at an average speed of 60mph.  He can only manage 30mph for the first m||190||4
118|0|iliaden|04/02/2006|22:23:43|Deep G|plus missing|SEND %28plus%29 MORE %3D MONEY.||18||1
117|0|Deep G|11/29/2005|07:34:53|Deep G|SEND%2BMORE%3DMONEY %21%21%21|Hi all %21%0AHave fun %21%0AHere is a problem that comes from a 7th grader%27s mathematics textbook. Not that its easy %28I wud say its a nice little ||0||0
90|0|iliaden|11/05/2005|10:54:01|Zakatos|The number 0.142857.....|Hello again%2C thanks everyone for the precious info about my study concerning FPD%27s %28Fully Periodic Decimals%2C as myself named such elements%29%||90||2
116|0|alexb|11/01/2005|20:42:04|Frank Anzalone (Guest)|cut the knot post of 10%2F30%2F2005|Should the 3rd term be %281%2B3%5E-3%29 not %281%2B2%5E-3%29||5||1
99|0|alexb|08/29/2005|17:48:17|woj5|Converting Bases to and Fro|Hello %0A%0AI am a middle school math teacher and on occassion some of the Math competitions I help run questions on converting from base ten to base ||109||6
111|3|factoriel|07/27/2005|06:36:10|Ryan (Guest)|Four Digits Manipulated To Equal 24|I am have troulbe figuring out this seemingly easy question.  Given the number 5%2C1%2C1%2Cand 1.  How can I add%2C subtract%2C multipy%2C and%2For di||25||6
13|0|alexb|07/15/2005|19:21:46|Prashant Poddar|Puzzle%3A TI-3|Suppose we have a calculator that is a TI-3%2C which means that we can only add%2C subtract and find reciprocals %281%2Fx%29. Is there still a way for||817||10
114|3|alexb|06/27/2005|14:01:54|Jin-hong Park (Guest)|Geometric Construction|I was astonished by how you could construct geometric figures with the compass alone.%0AThen I came acorss this problem of intersecting two lines.%0AI||1||1
112|0|alexb|06/09/2005|14:31:48|Gustavo Toja  (Guest)|Divisibility by seven|Please enter www.divisibilitybyseven.mat.br to take notice about a new divisibility by seven rule. You won%B4t waist your time%21||56||27
106|0|alexb|12/14/2004|09:49:50|Ashley (Guest)|Pythagoras Theorem|What is the Pythagoras Theorem%3F Who invented it%3F How was it used in the past and today%3F If you have any information on these question%2C thanks ||37||1
107|3|alexb|12/14/2004|09:49:03|duggi|quadrilaterals in triangles|In a triangle ABC%2C D %2CE %2CF are the midpoints of the sides AB BC and AC respectively. AX is perpendicular to BC. Prove that DXEF is a cyclic quad||1||1
92|0|O|11/15/2004|12:27:17|Raelynn|Conversions|Hi%2C I need help in doing these conversion. Mostly the fractions is what I am having trouble with.%0A%0A1. Convert 2 1%2F2 ft to inches%3A%0A    2.25||103||5
102|3|Mario|10/02/2004|07:18:49|Mary|Leibniz%27s relation|%22Consider a triangle ABC.Let G be the gravity of the triangle and M exterior to the given triangle.Prove that%3A%0AMA%2AMA%2BMB%2AMB%2BMC%2AMC%3D3%2||7||2
101|0|rpratha|08/25/2004|19:09:21|rpratha|Geometry Text Books|I am looking for a list of recommended text books for Middle and High School Geometry Text Books that emphasize the Theorems and Riders and correspond||0||0
98|0|alexb|05/03/2004|15:57:29|sara (Guest)|cool math|i love your math sites they are so cool and they help me with my math pratice too thanks for such a great site%3A%29%3B%29%3ADplus i teach my little s||11||2
93|3|sfwc|01/30/2004|13:05:27|Susan (Guest)|Language Equations|Hi all...can anyone solve this%3F   9 %3D S. by a S. I. T.   Hope someone can help before I lose it%21%21%21 Had to figure twenty of these and wouldn%||2||1
91|2|6358alr|12/15/2003|09:14:47|SELCUK|Problem or puzzle|How can we derive 24 for by using 1 %2C  3 %2C 4 %2C 6 with the %2B - %2F %2A operations%3F%0A%0A%0A%0A%3A-%29 ||13||3
89|0|Vladimir|11/23/2003|11:11:56|Kevin Fite (Guest)|Great Middle School Word Problem|Mr. Howard asked 100 of his students who could play chess.  Half of the boys said yes and two-thirds of the girls said yes.  17 of the boys said no. H||58||8
60|0|amit|11/12/2003|19:30:42|Gary (Guest)|problem solving. CRitical thinking|A programmer is making a program that will create calenders. The Program will contain calendar pages with just the days of the week and the dates%2C n||366||4
88|0|sfwc|10/03/2003|08:40:17|Zakatos (Guest)|Interesting periodic decimals|I%27ve been studying proprierties of some periodic decimals and found something that called my attention%3A %0A%0ALet a%2C b be integers. Thus%2C a%2F||51||6
87|0|golland|09/22/2003|00:29:09|Vladimir|Four 3%27s|More four 3%27s than at http%3A%2F%2Fwww.cut-the-knot.org%2Farithmetic%2Ffunny%2F4_3.shtml%0A%0A27 %3D 3 3%21%2F3 %B73%0A28 %3D 3 3  %2B 3%2F3 %3D %28||62||9
86|3|santiago|08/19/2003|18:36:11|Katywf|ENGLISH TO SPANISH|I lived in Costa Rica 5 years were I studied math in English all the time because we had an American system. When I came back to Guatemala%2C they wer||18||5
82|3|cheer_babe|06/25/2003|11:48:49|JacquelineMich (Guest)|9 dot square|We have been working on this for a long time and cannot use only 4 line segments to connect all the 9 dots of this square without lifting our pencil. ||29||5
81|0|alexb|03/23/2003|11:43:39|Craig (Guest)|Chinese remainder thery|when doing a chinese remainder theory.%0Acan the equation %28i.e. 10x%2B15y%2B39z%3D1%29%0Abe solved through substitution or must one use gcd all the ||1||1
77|3|Kevin|01/13/2003|09:42:32|MathKid|Base 9 Number System|I am a 7th grader taking accelerated algebra.  I was wondering if their is any equation to convert base 10 numbers into base 9.  For example%3B 9%5E6 ||16||3
76|3|alexb|12/21/2002|10:34:37|abs (Guest)|Percentage|i need to know the formula on working out percentages of numbers%21||1||1
75|2|Order|12/19/2002|01:25:55|Amit Chauhan (Guest)|probability|A stick of length l is divided randomly into 3 parts. What is the probability that a triangle can be made with the three parts %3F||30||4
74|3|Umpire|12/03/2002|00:40:38|Russ (Guest)|Math|If you can figure this out please reply to russk%40shaw.ca %3A%27%28%0AI need to solve this. You can only use theese numbers%0A%2813%2C11%2C9%2C7%2C5%||13||2
69|3|Willo|11/20/2002|21:13:16|clueless (Guest)|Powers|what is ten to the 12th power %3F  how did you acheive the answer %0Athanks||176||4
73|0|Adhara|10/12/2002|12:11:39|Whitney (Guest)|Trisecting an angle|Hi%2C i think my friend has found out how to trisect an angle. This is one of the %22impossible%22geometry problems. What should i do%3F||52||4
72|4|alexb|09/11/2002|07:12:30|VaranasiB (Guest)|Real Quadratic Word Problems|I am in search of some interesting%2C %22real%22 quadratic problems that do not involve carpets%2C patios%2C or shooting things into the air.  I am tu||11||3
70|4|felix|08/20/2002|20:25:41|Robert Haskins (Guest)|Book Suggustion|Can anyone suggest a book%2C relating to mathematics%2C suitable for a boy entering the seventh grade. He shows a real interest in the subject.||102||8
71|0|Michael Klipper|08/12/2002|21:24:42|Stephen  (Guest)|Math|I wanted to know it there was a definition for the four basic operations.||6||2
43|0|Michael Klipper|07/29/2002|08:31:31|Liliya (Guest)|Why do people look for more complicated ways of solving the same problem%3F%3F|There are lots of ways of solving the same problems. Then why do Mathematicians still try to figure out some other ways%3F%0D%0AWhy do some people spe||304||2
67|0|alexb|06/06/2002|09:18:17|Chen Jui Hua|About the symbol of square root|%0A math notation %0A%0A  I want to know %22 source of the symbol of  square root%22  %3D%3E   %A1%D4 %0A %0A   ||1||1
46|3|min|05/18/2002|10:31:42|Jade|Need quick help with a puzzle ASAP|Puzzle question%3A  Make a diagram to show how you would plant 10 tulips to make 5 rows with 4 tulips in each row.%0D%0ACan anyone help%3F%0D%0APLEASE||307||4
63|0|min|05/18/2002|10:31:42|sas (Guest)|turning turtles|i need a hint on the turning turtles game.  i believe it has something to do with base 2 type addition%2C but i cannot quite crack it%21  any help wou||32||4
57|2|min|05/18/2002|10:31:42|jrkyle|primes magic square|i have a 9 blocked square%2C in the middle block of row %231 is %0Athe number 1.  my question is%3A Can you complete the magic square %0Aby filling in||132||2
54|3|Tony|04/04/2002|20:38:58|Lana Harman|math|Here is the question that my child was assigned as extra credit work at school%3A%0D%0A%0D%0A    What is the product of all whole numbers less than 10||157||3
62|0|alexb|04/03/2002|06:49:10|cmdavidson|A triangle puzzle|The object is to determine the length of a side of an equilateral triangle which contains a point within that is 3 units from one vertex%2C 4 units fr||15||4
61|2|timl14|02/24/2002|16:32:04|timl14|mode - interpret definition|I have a question regarding an interpretation of the definition for the statistical term%3A  mode%0AI teach 7th grade math.  There has been some discu||5||2
55|3|Gunes|01/14/2002|15:51:50|Dejan  (Guest)|simple calculus or not%3F|Hi there%2C%0A%0AIt was a long time ago since I have been doing calculations like this one and I forgot most of it.  I am not sure does this question ||22||6
53|0|Judith Ross|01/05/2002|07:21:23|Atul Jayavant|Multiplication of Consecutive No.|Dear All%2C%0D%0A%0D%0AMy son aged 10 years%2C studying in India in Standard V came across the%0D%0Afollowing problem%3A%0D%0A%0D%0AIf you multiply co||64||2
51|3|Avishek |11/30/2001|22:24:31|Melodi|Addition math problem%21|Below are some numbers and they have to equal    159    you can add or subtract -- that%27s it.....you can group the numbers together %28like  521-306||106||11
4|0|Minstrel|10/29/2001|21:40:42|Lida Mosiman|Why isn%27t 1 a prime number.|Why isn%27t 1 a prime number%3F  I am a 6th grade student and would like to understand why%3F%0D%0A %0D%0AJustin Mosiman||486|5.50712250712251|5
49|2|alexb|10/12/2001|07:38:50|bill tellman|addition %26 subtraction|using the numbers%2C 9 8 7 6 5 4 3 2 1%2C is it possible to use three%0D%0Apluses %26 one minus sign to come up with an answer of 100%3F%0D%0A%0D%0A%2||80||1
48|3|Tom|10/11/2001|21:38:58|hsm12088|4%21%21|I need to know what 4%21%21 equals and how you reached the answer%0D%0A%0D%0A%0D%0A          Thanks%2C%0D%0A            Heather||124||5
38|0|brian|10/08/2001|23:08:41|Shirley Reeves (Guest)|Converting Base Numbers|I have a math problem for a college class that I have no idea how to do. %0D%0AGiven the base two number 10110100 base2%2C give the brief explanation ||255|5.47933884297521|2
47|0|alexb|10/08/2001|05:34:40|Karen|noughts and crosses|For maths GCSE I have to work out the number of possibilities that a certain number of x%27s will go into differnt sized grids%2C I have done this and||67||1
45|0|alexb|10/04/2001|12:50:32|simplymoi|need help with a problem...|I%27m a college student and a friend of mine who is studying to be a high school math teacher found this in i think it was a 3rd grade math book and n||73||1
44|0|alexb|08/19/2001|21:59:04|Liliya (Guest)|A puzzle of identical twins|I read the puzzle of identical twins and I don%27t think I understand all parts of it.%0D%0A%0D%0AThere are 2 identical twins%2C one always tells the ||226||8
15|0|Marvin Chang (Guest)|08/12/2001|19:57:50|Rob Oliver|Math Projects|Hi%2C%0D%0A%0D%0AI am looking for any good math projects%2Fproject sites with good ideas about what to do with Fractions%2C Decimals%2C Geometry...Six||453|5.49279538904899|2
41|0|alexb|08/03/2001|08:54:10|Mike Ranium (Guest)|diagonals|What is a formula for the number of diagonals in an n-sided convex polygon%2C where n %2A 3 %28a greater than sign plus a line under it like an equal ||189|5.5|1
36|0|LilSmall202001|07/30/2001|15:17:29|peter (Guest)|number of dividers|hello%2C%0D%0A%0D%0Amy teacher gave me a task to solve%2C but I don%27t know how to start%3A%0D%0A%0D%0A%22Proove that when watching every positive en||561|5.48214285714286|7
42|0|LilSmall202001|07/30/2001|22:18:55|Janette (Guest)|Circle Graphs and fractions.|HELP%21%21%21 Idon%27t understand this problem%2C %0D%0A%0D%0AThe Paul family has created a monthly budget. They allow 2%2F5 of the budget for mortgag||170|5.5|1
40|0|alexb|04/11/2001|00:09:12|Bruce Herman (Guest)|Pyramid Mathematics Software|I teach Math Talent and your Pyramid Mathematics software looks very promising%2C but my math lab computers are all Macintoshs. Is there any chance th||200|5.5|1
26|0|Bruce Herman (Guest)|04/10/2001|08:29:10|Steve Cook|Why 360 degrees%3F|Hi%0D%0A %0D%0AI have just seen the question asked by fawzan jalajel in April as to why there are 360 degrees in a circle and wonder what was %0D%0Ayo||433|5.5|2
39|0|Bruce Herman (Guest)|04/10/2001|22:51:46|Bruce Herman (Guest)|Solution needed to question from Dudeney%27s Amusements in Mathematics|There is a problem in Amusements in Mathematics by H.E. Dudeney which I am having difficulty with. The problem is%3A%0D%0A%0D%0AThe Great Scramble.%0D||266|5.42857142857143|4
37|0|stan stout (Guest)|03/09/2001|15:56:41|stan stout (Guest)|turning turtles|i have been intrigued by teh turning turtles puzzle located in the games and puzzles section of this site.  i would appreciate someone sharing the sec||277|5.46111111111111|2
35|0|alexb|02/07/2001|16:35:29|MathWiz|Just a Curious Monkey Question...%3F|Why is the pythagorean Therom only true for right triangles%3F||596|5.46320346320346|7
34|0|alexb|01/23/2001|23:33:16|KELSEY|HELP%21|COULD YOU PLEASE HELP ME%3F%3F I HAVE THE ANSWER BUT I DO NOT KNOW HOW MY FATHER GOT THE ANSWER%3F %0D%0AqUESTION%3A Suppose five bales of hay are wei||455|5.46188340807175|3
33|0|Thorsten Reimers (Guest)|12/28/2000|19:14:09|Thorsten Reimers (Guest)|Divisibilty Criteria for 7%2C 11%2C 13|Hello%2C%0D%0A%0D%0AI am missing the following%2C well known%2C divisibility criteria%3A%0D%0A%0D%0AIf you have a number with many digits you can spli||427|5.49416342412451|2
32|0|alexb|12/05/2000|21:59:20|Jeremy McNamara (Guest)|Four 4%27s|Your equation%27s on the top are wrong.  Sorry but sqrt%28sqrt 4%29 isn%27t 1.%0D%0A%0D%0AJer||386|5.46666666666667|1
31|0|alexb|11/20/2000|19:15:14|Archie Lintz (Guest)|Impossible 15 Problem|Kind Sir%97%0D%0A%0D%0AI teach 5th grade.%0D%0A%0D%0AI see in my notes I once got some numbers related to the Impossible 15 Problem%2C but my notes do||324|5.48387096774194|1
30|0|alexb|11/20/2000|08:25:09|DAVENEVINS (Guest)|I am trying to learn more about probability.|I am not a mathematician but I have very much enjoyed reading your manifesto on the web.  I am trying to learn more about probability. %0D%0A%0D%0AI h||312|5.52083333333333|1
29|0|alexb|11/18/2000|22:17:25|Quiosha Zachariah (Guest)|Product of two negative numbers|Why is a negative number times a negative number equal to a positive number%3F%0D%0A||390|5.49392712550607|1
14|0|big Man (Guest)|11/14/2000|12:01:04|Donna Endress|paper sphere|I was wondering if you have any information on a problem my son is working on. He is in 6th grade%2C and his teacher wants him to make a sphere out of||477|5.50537634408602|2
27|0|alexb|11/09/2000|13:50:59|Bob Janus|Four Knights Puzzle|Hi%2C found your web page. I have been working on this puzzle for quite some time. The solution only requires  7 moves I understand. But what are the ||389|5.47191011235955|1
25|0|alexb|11/07/2000|01:05:51|subrata_dechaudhury|Solution to %22Three pancakes%22 problem|Hi%2C%0D%0A%0D%0AI want to know the solution to %22Three pancakes%22 problem. I think%0D%0Aprobbility is 1%2F2 .%0D%0A%0D%0AThanks%2C%0D%0Asubrata%0D%||481|5.4043321299639|3
24|0|alexb|11/05/2000|15:29:44|rachel|stair steps|if a boy has to climb ten steps and he can climb either one or two steps at a time%2C how many ways can he use to climb the steps%3F%0D%0A%0D%0APlease||386|5.5|1
21|0|JeanMarie|11/02/2000|12:29:25|onlyamit|A question %21|Guys%2C%0D%0A%0D%0AThis probably is very silly question but might puzzle few ppl.%0D%0Aso who is first to answer %3F%0D%0A%0D%0A16-36%2B20 1%2F4 %3D 2||409|5.50898203592814|1
23|0|alexb|11/01/2000|15:55:39|Virgil Lewis|a six digit number|Hello. I found your e-mail address on the net. My name is Virgil Lewis and I live in Chicago.%0D%0A%0D%0AI have a puzzling math question with which I ||400|5.48823529411765|1
20|0|alexb|10/31/2000|00:23:09|Richard Deal|magic circles|My teacher has given us a trivia math question to figure out.  I am having trouble with it so maybe you can help.  The question reads as follows%3A%0D||453|5.5|2
19|0|JeanMarie|10/29/2000|13:16:43|S. H. Kelly|Is 1%2B1%3D2 an axiom%3F|Axioms are usually considered to be the basic %22facts%22 of a system%2C such as %22Mathematics%22.%0D%0A%0D%0ASome consider an axiom to be facts of t||453|5.49625935162095|2
18|0|alexb|10/27/2000|13:08:42|S. H. Kelly|Points%2C Lines%2C and Zero|This is something that came to my mind a couple of months ago%3A%0D%0A%0D%0AI have read that a line consists of an infinite number of points.%0D%0A%0D||403|5.47311827956989|1
17|0|alexb|10/27/2000|12:49:58|David Luson|Method of Differences|Hi%2C%0D%0A%0D%0AI was wondering if you could inform me in detail%2C how one might be able to use the method of differences to prove an equation.  In ||401|5.51810584958217|1
16|0|Matthew Butler|10/26/2000|00:21:06|Matthew Butler|Division terminology|Trivia Question%3A  What is the official name for the line %28kind of a right angle-one side is curved%29 drawn when solving division %0D%0Aproblem%3F||451|5.49230769230769|2
12|0|alexb|10/22/2000|13:25:51|Frank_A_L_I_N_Y|Is 1 prime%3F|Dear Mr. Bogomonly%0D%0A%0D%0ASomewhere on Chris Caldwell%27s site%2C %5Ba href%3D%22http%3A%2F%2Fwww.utm.edu%2Fresearch%2Fprimes%2F%22%5Dhttp%3A%2F%2||411|5.52043596730245|1
11|0|alexb|10/21/2000|12:18:05|ECDDUMPER@aol.com|Cubic Yards|Good Morning Alex%3A  Please help. I%27m trying to convert %0D%0A%0D%0A8%27 x 10%27 x 21%27%0D%0A%0D%0Ato Cubic Yards. I%27ve compared my results agai||407|5.50306748466258|1
10|0|alexb|10/21/2000|12:09:40|Donna Scarborough|Star of David brain teaser|Draw a star of David.  At each intersection or angle%2C draw  a circle.  In each circle belongs a number.  There will be twelve circles and you must u||396|5.5180055401662|1
9|0|OlechemGin@aol.com|10/20/2000|14:07:41|OlechemGin@aol.com|a math question|my son came home from his honors math class with the following to solve%3A%0D%0A%0D%0Aneleson%0D%0A%2B carson%0D%0A---------%0D%0Areward%0D%0A%0D%0An%||546|5.47897196261682|4
8|0|alexb|10/20/2000|12:18:36|David S|arithmetics that allow division by zero|Well%2C %22math%22 is just a system of symbols and rules for manipulating them. There are different sets of rules and symbols that define different %2||388|5.54458598726115|1
7|0|alexb|10/19/2000|22:35:31|Bhan|Is zero a multiple%3F|Dear Mr. Bobomolny%2C%0D%0A %0D%0APlease pardon my ignorance. I have been going through this site but have not been able to figure out who%2Fwhat you ||381|5.4888178913738|1
6|0|alexb|10/18/2000|23:29:46|pjmin|elementary Greek festival|I teach 6%5Bsup%5Dth%5B%2Fsup%5D grade%2C and we%27re having a greek festival on 3%2F1. I am trying to set up a %22hands on%22 math room for the festi||382|5.51282051282051|1
3|0|alexb|10/18/2000|18:08:26|Janet Myers|A QUIZ|Three men went on a fishing trip.%0D%0A%0D%0ATheir cabin was 30.00 a day%0D%0A%0D%0ASo%2C They split the cost and they all gave 10.00%0D%0A%0D%0AWhen ||389|5.55063291139241|1
2|0|alexb|10/18/2000|16:10:32|Nicole|Proof|%0D%0AGreetings%2C%0D%0A%0D%0A%0D%0A%0D%0AI just had a quick question for you.  A few months back%2C I found a link to a webpage that contained a simp||393|5.51090342679128|1
5||||||This should be a simple question to answer%2C I apologize for the lack of challenge.  However%2C we are stumped we all realize that any number raised to the power of 0%2C will equal 1%2C but why%3F  I know there is an explanation I remember it from college%2C but I can not explain it.%0D%0A%0D%0Athanks%2C %0D%0Ajason%0D%0A%0D%0A||||5.52293577981651|1