Top answers

Explain the law of demand with the help of a diagram.

Demand can be defined as the willingness and ability of a consumer to purchase a good or service.The law of demand states that the quantity demanded of a good or service increases as its price decreases and ...
DP
Answered by Dhwani P. • Economics tutor
11812 Views

What are negative externalities of consumption? Explain with a diagram.

An externality is any effect on a third party caused by actions and transactions that don't directly involve them. Negative externality of consumption can be defined as the cost imposed on the third party du...
DP
Answered by Dhwani P. • Economics tutor
13748 Views

Describe ways in which the body prevents entry of microorganisms

The first line of defence is the skin. This forms a physical barrier that prevents any microorganisms from getting into the body. Acid in the stomach, due to the low pH, is another defence the body has. This...
AC
Answered by Adrian C. • Biology tutor
18164 Views

How should I start writing my Personal Statement?

You should first think of how you discovered your passion for the degree you are applying to. Then, you should convince the university that you have all the skills and knowledge required, and most important,...
MZ
2869 Views

Solve the simultaneous equations: (1) y – 2x – 4 = 0 , (2) 4x^2 + y^2 + 20x = 0

Rearrange (1): y=2x+4 Subsitute this into (2): 4x 2 +(2x+4) 2 +20x=0 Simplify and collect like terms: 8x 2 +36x+16=0 Factorise: (2x+1)(x+4)=0 Therefore: 2x+1=0 -> x=-0.5 and x+4=0 -> x=-4 Substitute th...
AT
Answered by Anastasia T. • Maths tutor
4462 Views