Top answers

Solve these simultaneous equations: 3y + x = 18 and x - 4y = -10.

Write x in terms of y using one of the equations. Then substitute it in the second equation, which is then only in terms of y. Find y. Then you can easily find x. Answer: x = 6 and y = 4.
TE
Answered by Tess E. • Maths tutor
3748 Views

Analyse the effects on the UK economy of a recession in another economy with trade ties.

A recession is when an economy experiences negative growth in terms of GDP for two or more consecutive quarters. If an economy such as that of the US, a major trading partner, were to enter a recession it co...
LJ
Answered by Luke J. • Economics tutor
10241 Views

Describe the structure of DNA.

DNA is made of a string of nucleotide bases attached to one another by a peptide bond. A single nucleotide contains three regions: A phosphate group, a Carboxyl group and a base. Adjacent nucleotides attach ...
BP
Answered by Bethan P. • Biology tutor
12123 Views

How do I structure a paragraph in my essay?

When structuring an essay in an exam, it can sometimes be daunting to know where to start. But remembering the simple trick PEEL can be very helpful and make your paragraphs more clear and help the examiner ...
AC
Answered by Alexandra C. • History tutor
3611 Views

What is price elasticity of demand and how does it affect equilibrium prices and quantities?

Price elasticity of demand is a measure of the relationship between the quantity demanded for a good and the price of that good. We are more concerned with the coefficient of the change and not the direction...
JM
Answered by Josh M. • Economics tutor
7227 Views