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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 dec...
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 thi...
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. T...
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 importa...
Rearrange (1): y=2x+4
Subsitute this into (2): 4x2+(2x+4)2+20x=0
Simplify and collect like terms: 8x2+36x+16=0
Factorise: (2x+1)(x+4)=0
Therefo...
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