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A parametric equation is defined by a variable t such as y = 4t +1 and x = 2t, while general equation is defined sorely by y and x (in 2 dimensional space). As t is the free variable you can simply replac...

In order to assess whether economics were the most important factor for reform in Russia under Tsar Alexander II, the emancipation of the serfs in 1861 under Tsar Alexander II must be considered. There is...

The imperfect subjunctive is paired with a conditional in order to show that the conditional could happen, if the imperfect subjunctive were true. Therefore the imperfect subjunctive is used in order to e...

Essay writing, both in exams and otherwise, can often appear daunting at first. However, by GCSE and A Level, students should hopefully be well practised in the art, and should be comfortable with the ...

Acceleration is a change in velocity over time. Velocity is different to speed, because it has a direction (for example a car moving at 10 mph along a road heading north will have a greater ve...