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Explain how a reduction in interest rates affect AD.

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 inter...
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Answered by Rohil C. • Economics tutor
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Evaluate the view that a depreciation of a nations currency, will always be a benefit to it's economy.

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. T...
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Answered by Michael M. • Economics tutor
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How to find surface area and volume of a cone

Surface area:We know that the base of a cone is a circle, which has a surface area of πr 2 , where r is the radiusThe rest of the area will be π, r and l (the slanted length) multiplied togetherAnd then, we ...
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Answered by Fruzsina F. • Maths tutor
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How to find the angle between two 3-dimensional vectors:

The formula to find the cosine of the angle is: cosA= u.v/|u|x|v|; 1. u.v means that you multiply the x coordinates together, then the y coordinates and the z coordinates, and add them all together: (x 1 x 2...
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Answered by Fruzsina F. • Maths tutor
7680 Views

Find the concentration of calcium carbonate given that 25cm^3 of CaCO3 is neutralised by an average of 14cm^3 of 0.1 molar HCl .

Initially it helps to read over the question a couple of times underlining/ highlighting all important information ie. volumes and concentrations. Next it always helps to have a chemical equation to work wit...
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Answered by Jan O. • Chemistry tutor
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