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You are given the equation of a line in the form of y=mx+c. From this, you know that 'm' represents the gradient, which can also be represented as dy/dx. We now need to work out the gradient of the normal...

Mass Spectrometry is often used by scientists to determine all the isotopes present in a sample (using their isotopic masses) and thus identify the element. The first stage is called the 'ionisation sta...

Interest rates are the cost of borrowing money expressed as a percentage of the amount borrowed. A reduction in the bank rate by the MPC (Monetary Policy Committee) would result in banks offering lower in...

Firstly, a depreciation of a currency; such as the 'pound sterling' in the United Kingdom, can be defined as a fall in the external value of the currency in relation to another currency of another country...

Surface area:We know that the base of a cone is a circle, which has a surface area of πr², where r is the radiusThe rest of the area will be π, r and l (the slanted length) multiplied togetherA...