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How would I write (1+4(root)7)/(5+2(root)7) in the form m + n(root)7, where m and n are integers?

We know that any value divided by itself is equal to 1, therefore we can multiply the value in the question by (5-2(root)7)/(5-2(root)7) and the value would not change. We are only changing the values for...

Answered by Alexander D. • Maths tutor

3969 Views

What is PED and how do I calculate it?

PEDstands 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 fo...

Answered by Charlotte C. • Economics tutor

7228 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

Answered by Krisztina J. • Chemistry tutor

2444 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 ...

Answered by Sophie T. • Maths tutor

2606 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 ...

Answered by Peter M. • Economics tutor

9738 Views