Melody's interest posts (1/3/17)

My interest posts list is exploding so I am going to put some of them here  ://

Other people can do this too if they want to.  

Just make it clear what you are doing. :)

 

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           TRANSFORMATIONS

1A)     Here is MY recent favourite.  I think I have learned a lot from GingerAle's answer to this transformation question.

          I have never seen a question like this before !

          http://web2.0calc.com/questions/random-math-vi

         

1B)     Physics, Find the speed of the swing.   Thanks GingerAle.

         http://web2.0calc.com/questions/help_41164

 

2)     Trigonometry Identity proof.   Thanks guest and Heureka

        http://web2.0calc.com/questions/evaluate-cosec-10-cosec-50-cosec-70

 

3)     Dimensions maybe....

        http://web2.0calc.com/questions/what-do-the-glas-sizes-have-to-be-on-a-aquuarim-that-is-160-liters-so-you-use-the-least-amount-of-glas-and-there-isn-t-a-glas-on-top-so-no-glas-on-top

 

4)     Rates and play  or is that rates of play ?? ://

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

 

5)    Integral and Differential calculators - these are great resources!

       http://web2.0calc.com/questions/integral-of-sqrt-tan-x-please-check-the-answer-for-me#r8

 

6)   Falling objects and air resistance

      http://web2.0calc.com/questions/calculus_79315

 

7)   Interesting Integrals

      http://web2.0calc.com/questions/help-help-help-help-help-super-hard-question-coming-s

 

8)  More integrals with diagrams

     http://web2.0calc.com/questions/question-to-integral-calculation

 

9)  Differential equations

     http://web2.0calc.com/questions/calculus-challenge

 

10) More Integrals

      http://web2.0calc.com/questions/having-troubles

 

11)  Differential from first principal

       http://web2.0calc.com/questions/can-someone-help-me-use-the-definition-of-a-derivative-on-1-sqrt-x-2-5

 

12)  Calculus.  Must make more time for this one!!      Thansk again Alan!

       http://web2.0calc.com/questions/let-r-x-f-g-h-where-h-1-2-g-2-5-h-1-4-g-2-4-and-f-5-6-find-r-1

 

13)  Limit queston  

       http://web2.0calc.com/questions/calculus-limit-help

 

14)  A reminder of an old fun post.  Why did all the dinosaurs die :)

       http://web2.0calc.com/questions/why_2518

 

15)  System of equations.  Really clever solution by Alan

       http://web2.0calc.com/questions/suppose-the-real-numbers-a-b-x-and-y-satisfy-the-equations

 

16)  The maths of a concave mirror - still want to understand better.   :(

       http://web2.0calc.com/questions/concave-mirror

 

17)  Polar Graphs       Plus  Alan shows his lighter side   :)))

       http://web2.0calc.com/questions/please-help_62797

 

18)  Properties of irrational numbers

       http://web2.0calc.com/questions/a-give-an-example-of-two-irrational-numbers-which-when-added-produce-a-rational-number-now-let-s-consider-just-the-addition-of-radicals-b-suppose

 

19)  A really neat area of a triangle question.

       http://web2.0calc.com/questions/how-to-get-exact-surface-of-triangle-if-i-only-have-hypotenuse-and-legs

 

20)  Economicsa Analysis questions

       http://web2.0calc.com/questions/economics-analysis

 

21)  Finding real and complex roots

       http://web2.0calc.com/questions/what-are-the-five-answers-to-this-equations

 

22)  Modular Arithmetic

       http://web2.0calc.com/questions/find-the-smallest-positive-integer-that-satisfies-the-system-of-congruences

 

23) Probability

      http://web2.0calc.com/questions/question-about-probability_1

 

24)  Physics - resistance    Alan and Nauseated  (This must be about Naus's last post I think 30/4/16)

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

 

25)  Properties of matter

       http://web2.0calc.com/questions/cycles-science-math-question

 

26)  Parametric Word Problem

       http://web2.0calc.com/questions/parametric-word-problem

 

Here are a few more  (more recent)

 

27)  http://web2.0calc.com/questions/the-scientific-expedition         15/2/17

 

28)  http://web2.0calc.com/questions/random-math-vi                        15/2/17

 

29)  http://web2.0rechner.de/fragen/ich-habe-mal-was-kompliziertes-bin-jedenfalls-noch-nicht-auf-die-l-sung-gekommen-ich-sch-tze-mal-ich-hab-was-entscheidendes-vergessen#r5     (German forum)     16/2/17

 

30)  Hong Kong maths competition:            11/2/17

http://web2.0calc.com/questions/hong-kong-maths-competition-questions

 

31)  Differential equation – air resistance falling object

http://mathhelpforum.com/calculus/273326-differential-equation.html

I want to put this into our forum J

 

32)  Determining a function from points.  Heureka and Gino’s method   22/2/17

http://web2.0calc.com/questions/nth-term_3

 

Ellipses  

33) http://web2.0calc.com/questions/graph-the-ellipse-and-locate-the-foci-x-1-25y

34) http://web2.0calc.com/questions/graph-the-ellipse

35) http://web2.0calc.com/questions/graph-the-ellipse-and-locate-the-foci

 

 

WOW I didn't think that there would  be that many!