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When is the verb tense "congiuntivo" used?

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!", ,equ...
GR
2321 Views

Define price elasticity of demand and explain the factors affecting it

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 - if a...
SA
Answered by Sofia A. • Economics tutor
4400 Views

An electric whisk in a bakery has two motors, each with an average power of 1500W. The whisk is used for 4 hours each day, 7 days a week. Electricity costs 18p per kilowatt-hour. Calculate the cost of the electricity used by the whisk in one week.

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 whisk i...
IS
Answered by Iqra S. • Physics tutor
3348 Views

make x the subject of 5(x-3) = y(4-3x)

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)
SA
Answered by Sofia A. • Maths tutor
5472 Views

Given that y = arcsinh(x), show that y=ln(x+ sqrt(x^2 + 1) )

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 re...
SB
11063 Views