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Solve the following equation: (3(x-6) - 81)/4x = 0

The first step is to realise that a trivial solution of x is x = 0, which can be determined from the '4x' denominator. Now zooming in on the numerator and expanding gives us '3x^2 - 18 - 81'. Looking at the ...
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Answered by Harry P. • Maths tutor
3583 Views

What is the difference between 得 and 地 when describing a verb?

得 is used to describe how you do the verb generally, whilst 地 is used to describe how the verb is being done at that moment.EG.I am good at swimming uses 得 since it is a general statement.He's swimming so fa...
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Answered by Zakary H. • Mandarin tutor
2626 Views

When should the animate accusative case be used in Russian?

When declining an object to a verb which usually takes the accusative but the object is alive (eg. human/animal). If this object is feminine, the animate accusative is simply the accusative.
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Answered by Zakary H. • Russian tutor
1602 Views

Translate the following sentence using 的 as an attributive: This is the book my mum bought from London yesterday.

这是我母亲昨天从伦敦买来的那本书.
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Answered by Zakary H. • Mandarin tutor
2828 Views

Explain glacier mass balance

Glacier mass balance is a tricky concept to understand without understanding the accumulation and ablation first. Accumulation is when a glacier is gaining mass normally from snowfall which has been compress...
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Answered by Sasha L. • Geography tutor
2170 Views