Top answers

All subjects
A Level

Give two reasons why the ratio decidendi of a case is sometimes difficult to determine. Use case law to illustrate your reasons. (4 Marks)

First, judgments are often written in a complex, discursive fashion. It can be difficult to determine the main point that a judge is trying to make. In Woollin, it is unclear from the leading judgement wh...

TH
Answered by Tom H. Law tutor
5458 Views

Differentiate 5x^3 + 4x^2 + 5x + 9

Differentiate 5x3 + 4x2 + 5x + 9The rules from polynomial differentiation: d(axn ) / dx= a(nxn-1) and df/dx + dg/dx = d (f+g) /dx and dn/dx = 0Using these rules...

AS
Answered by Annabelle S. Maths tutor
3819 Views

A curve has equation 3x^4/3-16y^3/4=32. By differentiating implicitly find dy/dx in terms of x and y. Hence find the gradient of the curve at the point (8,1).

3x4/3-16y3/4=32Differentiating implicitly:4x1/3-12y-1/4(dy/dx)=0Simplifying and rearranging:x1/3=3y-1/4(dy/dx)dy/dx=1/3(x1/3y

BG
Answered by Ben G. Maths tutor
3665 Views

How have the Big Six energy companies benefited from vertical and horizontal integration?

Vertical integration refers to the combination, within a single firm, or two or more stages of production, where each stage was previously undertaken by separate firms. For example, a vertically integrate...

JD
Answered by Joshua D. Economics tutor
6446 Views

What is the link between electrical activity of the heart and its contraction?

The electrical current is produced in the SA node (the primary pacemaker of the heart) and travels to the AV node via fibres in the walls of the atria. These impulses cause the muscular walls of the atria...

SM
Answered by Stephen M. Biology tutor
5968 Views

We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

MyTutor is part of the IXL family of brands:

© 2026 by IXL Learning