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This tense, now used much less than in the past, is utilised in the following cases:1) To exhort someone to do something, instead of using the "imperativo"("Faccia pure come vuole!", ,...

Price elasticity of demand (PED) is a measure of the % change in demand of a good which occurs in response to a change in price.There are four main factors which effect PED:availability of substitutes - i...

First, we must calculate the amount of time spent using the whisk in one week:4 x 7 = 28 hours a weekNext we calculate the power used; as the whisk has two motors, the average power used by the whole whis...

step 1 ; expand the brackets5x - 15 = 4y - 3xystep 2 ; group together x values on one side5x + 3xy = 4y + 15step 3 ; single out xx (5+3y) = 4y +15step 4 ; make x the subjectx = (4y + 15) / (5+3y)

In questions involving hyperbolic functions and natural logs, it is often useful to rewrite things in terms of e, since then you might be able to take a natural log at the end of your answer. Here, we can...