Top answers

State the key assumptions and characteristics of a competitive market and outline the difference between the short-run and the long-run.

Perfect competition is a market structure defined by several key assumptions: a large number of firms, identical (homogenous) products, no barriers to entry (free entry and exit), perfect information and per...
JN
3984 Views

Differentiate y=(3x-1)/(2x-1)

First, recognise that the function is a fraction and recall the quotient rule. y=u/v dy/dx=(vu'-uv')/v 2 , where u' and v' is the derivative of u and v respectively. Then, apply the rule. u=3x-1, v=2x-1 u'=3...
MM
Answered by Martin M. • Maths tutor
8135 Views

Rationalise the following: { 5 } / { 3 - sqrt(2) }

The aim here is to turn the fraction so that the denominator does not have a surd. Given that we know that any surd squared is equal to the number itself, i.e sqrt(2) * sqrt(2) equas 2, or sqrt(x) * sqrt(x) ...
AS
Answered by Amin S. • Maths tutor
6945 Views

Describe the similarities and differences between the structure of ATP and a DNA nucleotide

Similarities Both have 5 Carbon sugar - pentose Both contain a phosphate Both contain adenine Differences DNA has a deoxyribose sugar whereas ATP has a ribose sugar DNA can involve all four bases, ATP only a...
AR
Answered by Abdul R. • Biology tutor
71564 Views

What is the diffference between the past tenses in French?

There are two main past tenses : The imperfect (je mangeais) translates to the English imperfect (I was eating). The passé composé (j'ai mangé) translates to the English present perfect (I have eaten) but ca...
RG
Answered by Rebecca G. • French tutor
2251 Views