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What conditions in pre-CCP China can help explain the rise of Mao?

This could be a very long answer, but can be briefly summarised into several factors. Firstly, political conditions in China were dire, due to over 50 years of political turmoil and the disintegration of...

Answered by • History tutor

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How can chromatography be used to identify substances?

Chromatography can be used to determine the RF value of an unknown substance. This RF value when cross-referenced with already known RF values can then be used as a guide to find out a potential range of ...

Answered by Sam W. • Chemistry tutor

12093 Views

differentiate the function (x^2 +5/x + 3) with respect to x

2x + 5 lnx

Answered by • Maths tutor

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What on Earth is the subjunctive?

It can be hard for native English speakers to fully grasp the subjunctive mood, because it’s so archaic in English. Firstly, it’s a mood and not a tense. It emphasises that somewhere in your sentence ther...

Answered by Henry C. • French tutor

2260 Views

At a concert, the number of men, women and children can be expressed with the following ratio: 6:11:4 There were 6525 more women than men. How many children were at the concert?

We know there are 6525 more women than men. We can deduce that 5 'parts' = 6525 as 11-6=5If 5 parts = 6525. 1 part = 6525/5 = 1305.We know that 4 parts are children so, 1305 * 4 = 5220Alternatively, once ...

Answered by Sandesh R. • Maths tutor

5797 Views