Top answers

All subjects
All levels

A car costs £1200 in a sale. It was reduced by 20%. What was the original price?

£1200 is 80% of the original price.We need to find what 100% of the original price is.if £1200 is 80% then to find 1% we can divide it by 80.
1200/80=15
£15 is 1% of the original price to find 1...

LF
Answered by Luke F. Maths tutor
4988 Views

A curve has an equation: (2x^2)*y +2x + 4y – cos(pi*y) = 17. Find dy/dx

You must differentiate each individual term in the equation.Firstly start with the term of the product of 2x2 * y, using the product rule (dy/dx = udv/dx + vdu/dx)Let u = 2x2

MB
Answered by Matthew B. Maths tutor
3218 Views

‘Only the most naïve reader could be seduced by the Satan of Book IX of Paradise Lost.’ How far do you agree?

The character of Satan is perhaps the most intriguing in Paradise Lost. He embodies evil by rebelling against the authority of God in heaven, yet he retains intelligence, emotion and even a disar...

SG
5762 Views

A curve f(x,y) is defined by sin(3y)+3ye^(-2x)+2x^2 = 5. Find dy/dx

In questions where we have a function of x and y equal to a constant, we need to find dy/dx indirectly.We use the formula (df/dx) + (df/dy)(dy/dx) = 0So all we do is differentiate each term in the functio...

LW
Answered by Lewie W. Maths tutor
3290 Views

Briefly outline the working memory model. (4 marks)

The working memory model, developed by Baddeley and Hitch (1974), is an explanation of how short-term memory is organised, taken from criticism of the multi-store model of memory. There are different comp...

AF
Answered by Aiesha F. Psychology tutor
5696 Views

We're here to help

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

© MyTutorWeb Ltd 2013–2025

Terms & Conditions|Privacy Policy
Cookie Preferences