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What is Homeostasis and what are the principles behind it?

Firstly, we need to consider what the term Homeostasis means: Homeostasis is defined as the maintenance of a stable internal environment. -The internal environment referred here in multi-cellular organisms l...
GK
15085 Views

Given that y = 5x^2 - 4/(x^3), x not equal to 0, find dy/dx.

y = 5x 2 - 4/x 3 1/x can be written as x -1 , which means our equation can also be written as y = 5x 2 - 4x -3 . dy/dx means that we need to differentiate y in terms of x. To differentiate an equation, we ne...
NL
Answered by Nick12 L. Maths tutor
8619 Views

Solve the simultaneous equations (with a calculator)

x^2 + y^2 = 9 x + y = 2 1) Firstly look at the second equation which is the simplest and think how you can rearrange it to fit into the first equation: x + y = 2 can be rearranged to y = 2-x 2) y = 2-x can t...
EG
Answered by Emily G. Maths tutor
18805 Views

How to remain nuanced when writing a high mark band essay answer

The highest marks for English Literature essays require the student to not only be confident and effective when arguing his or her answer but also integrate a nuanced response to other possible answers. This...
JB
14785 Views

Analysing a short poem in order to get the highest marks

Poem analysis has several dimensions to it all of which you need to address in order to write an answer worthy of the top marking band. The first time you read through the essay try to do so aloud and withou...
JB
5540 Views