web2.0calc
 

Melody

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यूजर का नामMelody
स्कोर118733
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WELCOME BACK CPHILL !


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Melody  11 Feb 2022
 #3
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+5

So what is the question?

19 Nov 2014
 #2
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+3

Good answer Happy :)

19 Nov 2014
 #342
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+14

@@ End of Day Wrap       Tues 18/11/14       Sydney,   Australia     Time 1:00 am    (Really Wed morn)   ♬

 

Hi everyone,

 

Lots of great questions and lots of great answers today. 

The answers were supplied by Heureka, CPhill, Geno3141, Alan, happy7, MrBalloon, tiddle, JewishNerd, saseflower and Jillybean.  A big thanks to each of you :)

 

Now for some interest posts:

 

1) This trig one amused me - it will no doubt 'amuse' me more when Geno explains his answer.  

http://web2.0calc.com/questions/sin-105-sin-15

2) this sum and product of the real roots of a polynomial created some interest. Thanks CPhill and Heureka

http://www.mathsisfun.com/algebra/polynomials-sums-products-roots.html

3) Heureka's answer to this co-ordinate geometry question looks interesting.  I answered it too.  We used very different techniques.  Thanks Heureka :)

http://web2.0calc.com/questions/find-the-value-of-nbsp-x-nbsp-such-that-the-area-of-a-triangle-whose-vertices-have-coordinates-6-5-8-2-and-x-11-is-15-square-units

4) Why are these answers different?   Thanks Heureka and Happy.

http://web2.0calc.com/questions/sin-12-12-14

5) Another trig question that created a lot of interest.  Thanks Geno, Melody and Heureka   

http://web2.0calc.com/questions/sin-105-sin-15

6) Pyramid left us a new 'puzzle' to think about.   Thanks Pyramid

http://web2.0calc.com/questions/probability-puzzles#r67

 

That is it for this late evening. See you when the sun is up  

 

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

19 Nov 2014