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 #387
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@@ End of Day Wrap        Mon 29/12/14 /12/14       Sydney,   Australia      Time 11:20pm      ♪ ♫ 

 

Hello all,

 

There were a number of good questions today.  Our industrious and learned answerers were CPhill, Rosala, Alan, Juhaszbenedek08, Tiagunix and geno3141.  Thanks all.     

 

Now for some interest posts:

 

The first four were all suggested by CPhill. I am always pleased when people request interest posts to be included.  Thanks Chris  

1)  Simplifying indices - A pretty cool question

 http://web2.0calc.com/questions/can-you-solve-this

2) An interesting co-ordinate geometry question.   Thanks to Melody and Chris

http://web2.0calc.com/questions/equation-to-circles

3) An interesting trapezium area question.  Thanks Chris

http://web2.0calc.com/questions/a-trapezoid-6m-in-altitude-have-bases-of-12-m-and-18m-respectively-if-the-it-is-divided-into-two-parts-by-a-line-parallel-to-the-bases-suc

4) Finding the 4th side of a quadrilateral that is circumscribed by a circle. Thanks Melody and Chris

http://web2.0calc.com/questions/find-the-fourth-side-of-a-quadrilateral-inscribed-in-a-circle-having-one-of-its-sides-equal-to-20-m-as-its-diameter-and-the-other-two-sides

5) finding root using secant method.   Thanks Alan

http://web2.0calc.com/questions/find-the-roots-of-the-equation-x2-4x-5-0-the-secant-method

 

And that is it for today  

 

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

Melody Dec 29, 2014
 #200
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0

Tues 30/12/14

1)  How do you change different base numbers to base 10 ?  In this case base 2.  Thanks Gino

http://web2.0calc.com/questions/110100101

2)  A simple but important concept for our younger followers  Thanks Geno

http://web2.0calc.com/questions/3-4-divide-by-2

3) Geno answered lots of great geometry questions - most related to rhombuses.  This one didn't 

Thanks Geno.     

http://web2.0calc.com/questions/the-angles-between-the-diagonals-of-a-rectangle-is-30-degrees-and-each-diagonal-is-12-cm-long-find-the-area-of-the-rectangle

4)    What is Phi ( φ )?       Thanks Chris  

 http://web2.0calc.com/questions/phi-to-the-power-of-4

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

Melody Dec 29, 2014

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