Top answers

What is PED and how do I calculate it?

PED stands for the Price Elasticity of Demand. This measures how responsive demand is for a product or service in relation to a change in price. The general formula for calculating the PED of a product is: P...
CC
11251 Views

What are the redox reactions involving carbonyls?

Carbonyls are aldehydes and ketones, both can be a product of an alcohol's oxidation reaction. A common reagent for that is potassium dichromate and sulphuric acid (the dichromate ion is reduced to a Cr 3+ a...
KJ
3202 Views

What is Pythagoras' Theorem and how do I use it?

Pythagoras' Theorem is used to find the length of the hypotenuse (longest side, opposite the 90 degree angle) of a right angled triangle when the length of the other 2 sides are known.The equation is a 2 +b ...
ST
Answered by Sophie T. • Maths tutor
3686 Views

Explain why a rise in investment should help to increase the rate of growth of the UK economy

Investment is part of Aggregate Demand (AD). If there is an increase in investment then there will be a rise in the demand for capital goods and this means that the firms supplying the goods will have an inc...
PM
Answered by Peter M. • Economics tutor
12016 Views

Explain how two different species of rabbits could have developed from a common ancestor?

The population of rabbits (common ancestor) must have gotten seperated to form two populations. This could have happened due to a geographical barrier (such as an earthquake) . These two environment must hav...
PJ
Answered by Precious J. • Biology tutor
4095 Views