# Search results

1. ### 1st in State PDHPE notes!

Hey guys, I ranked 1st in the state in 2013 and am selling all of my notes from the following cores: health priorities in Australia, factors affecting performance, improving performance and sports medicine! If you are interested send me a private message, you can have all four cores for \$10 or...
2. ### meiosis and inheritance of genes

I'm doing the dot point: Explain the relationship between the structure and behavior of chromosomes during meiosis and the inheritance of genes And I understand the relationship between behavior and inheritance but can anyone explain the relationship between structure and inheritance? Does it...
3. ### Water concentration affecting pH??

Can anyone explain specifically how water concentration affects carbon dioxide levels and pH?
4. ### half yearly revision help

There are a few questions from random topics that im struggling with, so if anyone could help me out and show full working that would be amazing!! thankyouu
5. ### Jakarta declaration

i was just doing some multiple choice of the BOS website and there were questions about the Jakarta declaration and new public health approach. i don't remember being taught about those, has anyone else been taught about that stuff? thankyouu
6. ### Geometric applications of calculus help!

Can someone please help me with differentiating these: a) P=2x+ 50 over x b) A=h^2-2h+5 all over 8 c)V=40r-piR^3 thankyouu

thanks
8. ### Geometric applications of calculus help!

In the answers of my text book it does a>0 and then b^2-4ac to get the answer and the answer doesn't have -1 or 9 it just says therefore it is monotonic increasing. Because wouldn't the greater and less than signs mean it was only increasing outside or -1 and 9 rather than monotonic increasing?
9. ### Geometric applications of calculus help!

Just another question Show the curve y=x^3-3x^2+27x-3 is monotonic increasing for all values of x?

thankyouu!
11. ### Geometric applications of calculus help!

1. Find all values of x for which the curve f(x)=x^3-3x+4 is decreasing 2. Find the domain over which the curve y=x^3+12x^2+45x-30 is increasing I got the right numbers for both but my greater than, less than signs are all mixed up so if anyone could explain the signs part that would be great...