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Point A has coordinates (1,0) and Point B has coordinates (2,5). Find the angle between the line AB and the x-axis. (3)

Tan(x) = 5/(2-1), x=tan -1 (5), x= 78.7°
EG
Answered by Edward G. • Maths tutor
7892 Views

Explain why firms in the pharmaceutical industry can charge different prices for the same drug in different countries. (15 marks)

For the pharmaceutical company to successfully price discriminate; the market must be split into two- both which have a different PED for the drugs. Consumers with inelastic price elasticity for drugs are th...
SK
Answered by Sana K. • Economics tutor
2802 Views

Explain how an increase in interest rates can affect total spending in the UK.

Interest rates have an impact on the component of aggregate demand (AD) in an economy. AD is made up of consumption + investment + government spending + net trade. A rise in interest rates would mean consump...
DS
Answered by Daisy S. • Economics tutor
2926 Views

What is a pathogen and what are the 4 main types of pathogen?

A pathogen is a microorganism that causes a disease. The 4 main types of pathogen include: -viruses- eg. common cold, HIV- not alive because they do not complete the 7 life processes, made up of short length...
AS
Answered by Ashley S. • Biology tutor
4757 Views

X-rays and gamma rays have different uses. Describe one use for X-rays and one use for gamma rays.

X-rays can be used to look at skeletons and find out whether a bone is broken. Gamma rays can be used to sterilise things such as food and medical equipment.
MR
Answered by Matt R. • Physics tutor
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