Top answers

How to evaluate the atavistic form explanation for offending.

First of all, the word evaluate is used within exam questions to highlight the strengths and weaknesses of the explanation. Attempt to define the atavistic form, but consider that the question doesn’t ask fo...
Answered by • Psychology tutor
14318 Views

For a graph C with equation y=3/(5-3x)^2, find the the equation of the line normal to the graph at point P, where x=2. Give your answer in the form ax+by+c=0

Find out the value of the y coordinate where x=2y=3/(5-3(2))^2=3Differentiate function in order to find the gradient of the graph at point Py=3/(5-3x)^-2Use chain rule where u=5-3xdu/dx=-3dy/dx=3u^-2Hence dy...
JI
Answered by Jazib I. • Maths tutor
4786 Views

How does a acid buffer work?

For example CH3COOH buffer Buffer is in equilibrium like this - CH3COOH = CH3COO- + H+When a little bit of Acid (H+) is added equilibrium shifts left (as equilibrium shifts in the opposite direction when the...
ER
Answered by Emily R. • Chemistry tutor
2226 Views

Evaluate how both texts show how language has changed over time.

Identify period of language e.g. Old English: 450-1100 AD (highly unlikely) Middle English: 1100- 1450 Early Modern English : 1450- 1700 (most likely) Modern English: 1700- 1900 Present English: ( a modern t...
CM
4762 Views

What are radians, why can't we just use degrees?

When you start your A Level, radians can seem very daunting because you've never seen them before and pi seems a very confusing number to use in relation to angles. But trust me, if you embrace radians they ...
MR
Answered by Matthew R. • Maths tutor
4592 Views