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Don't worry - this is very simple and a common question! The imperfect tense is used for 3 reasons. 1) Descriptions or states in the past e.g. llevaba un pantalón azul/ e.g tenía calor. 2) Actions in the ...

The base rate of interest is the interest rate set by the Bank of Englands monetary policy committee (MPC) in order to stimulate the economy in the way the government sets out . The base rate of interest ...

This is factorisation by common factor, so we need to write 4x+6x² as a product. First we need to find the highest common factor of 4x and 6x² so that we can take it out, which in th...

An enzyme is a protein that speeds up a chemical reaction. For example, the food you had for your lunch today was probably made up of complex carbohydrates, proteins and lipids. These need to be broken do...

RISC has a reduced instruction set where each instruction can be executed in a single clock cycle. This means that programs often are longer to the developer but are more easily executable on lower powere...