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When do I use the preterite and imperfect?

As a general rule, the preterite is used when there is a finite beginning and end. If there is any ambiguity then use the imperfect. There are also specific rules for each tense. If you are describing a pers...
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Answered by Freya P. • Spanish tutor
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Outline the various ways that you can differentiate a function

The ways to differentiate a function depend on the function itself. If there is only one x value in the function you can differentiate as normal (hard to explain on a computer), yet if the function contains ...
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Answered by Barnaby N. • Maths tutor
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How are pressure groups good for democracy?

Well we need to define what is meant by a pressure group before we attempt to answer this question. Now a pressure group is a group that tries to influence public policy in the interest of a particular cause...
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Answered by Joseph F. • Politics tutor
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What is the difference between 'diegetic' and 'non-diegetic' sound?

'Diegetic sound' refers to any sound that comes from the world shown on screen, that is the source of the sound in part of the on screen environment. Some examples of diegetic sound include: a song playing f...
MD
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Work out the value of 125^(-2/3)

Step 1: Write 125 as an exponent. Is there any number you can multiply by itself a few times to give you 125? The answer is 5 because 5 x 5 x 5= 5 x 25 = 125. Step 2: Since we know that 125=5^3, we can repla...
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Answered by Araba S. • Maths tutor
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