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 #12
avatar+118723 
+5

@@ End of Day Wrap    Tues 21/4/15 Sydney,   Australia Time   1:20am   (Wed really)  ♪ ♫

 

Good morning everyone,  Wed for me, Tuesday for many of you slow coaches. :)

 

Today our industrious answerers were anees220, Alan, Geno3141, Zegroes, Happy7, MathAnswerer, JackFrost, Badinage, TitaniumRome, JayCole, DarkBlaze347, Anees, CPhill, GoldenLeaf, Zacismyname, Bertie, Heureka and Nauseated.  Thanks all, without all you efforts this forum would not function 

 

Interest posts:

 

FTJ means "For the Juniors"

1)      Inequality AND entertainment                                Thanks Alan

2)      What is a Rube Goldburg display, watch to find out.   Thanks Nauseated.                             

3)      Number theory                                                      Thanks Geno and Nauseated

4)      Solving equations by elimination                             Thanks CPhill

5)      An interesting graph                                              Thanks Alan

6)      Complex numbers.                                                 Thanks Fiora, Melody, Badinage, Bertie and Alan. 

7)      Nickels and dimes                                                  Thanks CPhill and Heureka

8)      Dividing by fractions       FTJ                                   Thanks Zacismyname

9)      Forming and solving equations   (middle high)          Thanks CPhill

10)    Repeat geometry question - great new solution         Thanks Alan

      

                    ♫♪  ♪ ♫                                ♬ ♬ MELODY ♬ ♬                                 ♫♪  ♪ ♫

Apr 21, 2015
 #10
avatar+118723 
0

Wed 22/4/15

FTJ means "For the Juniors"

1)     Fun                                                                        Thanks CPhill et al.

2)     Resistance - Physics and calculus                               Thanks SevenUp, Melody and Alan

3)     Prove that the points make a trapezium                     Thanks CPhill

4)     Factoring with the web2 calc                                     Thanks Alan and Heureka

5)    Exact value of pi                                                     Thanks Badinage and Heureka

 

                    ♫♪  ♪ ♫                                ♬ ♬ MELODY ♬ ♬                                 ♫♪  ♪ ♫

Apr 21, 2015
 #34
avatar+4711 
0
Apr 21, 2015
 #29
avatar+118723 
0

There is just not enough time in the world.  (and not enough room in my watchlist)     :(

 

Expected value   (19/4/15)   Alan

http://web2.0calc.com/questions/hi-guys-this-question-wasn-t-answered

Statistics with   confidence interval     (17/4/15)     Nauseated

http://web2.0calc.com/questions/in-a-sample-of-70-stores-62-violated-a-scanner-accuracy-standard-it-has-been-demonstrated-that-the-conditions-for-a-valid-large-sample-con

Triangle geometry  (14/4/15)     Bertie

http://web2.0calc.com/questions/two-altitudes-of-an-isosceles-triangle-are-equal-to-20-cm-and-30-cm-determine-the-possible-measures-of-the-base-angles-of-the-triangle

Lotto b***s           (9/4/15)                       chris and Alan

http://web2.0calc.com/questions/1-nbsp-in-the-smallstate-lottery-three-white-b***s-are-drawn-at-random-from-twenty-b***s-numbered-1-through-20-and-a-blue-superball-is

 

Distributing b***s      (29/3/15)        Nauseated and Alan

http://web2.0calc.com/questions/how-many-ways-are-there-to-distribute-12-unlabeled-b***s-into-9-labeled-boxes

Defective tape      (20/3/15)                        Alan

http://web2.0calc.com/questions/in-average-there-is-one-defect-per-100-m-of-magnetic-tape-a-what-is-the-probability-that-150-m-of-tape-have-no-defect-b-given-that-the

Finding the area in a strange shape  (Chris Alan and melody )     18/4/15

http://web2.0calc.com/questions/finding-area-of-shape-within-square

Catching train probability

http://web2.0calc.com/questions/alex-needs-to-catch-a-train-the-train-arrives-randomly-some-time-between-1-00-and-2-00-waits-for-10-minutes-and-then-leaves-if-alex-also

Optimization - soap bubble problem

http://web2.0calc.com/questions/road-in-lateralia

Diaphantine equations

http://web2.0calc.com/questions/7-x-mod-26-1

Children and marbles       10/5/15

http://web2.0calc.com/questions/a-group-of-children-share-marbles-from-a-bag-the-first-child-takes-one-marble-and-a-tenth-of-the-remainder-the-second-child-takes-two-marb

Apr 21, 2015

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