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How do you use position words in Mandarin?

Some position words: 前边 qián - in front 后边 hòu - behind 左边 zuǒ - left 右边 yòu - right 上边 shàng - above 下边 xià - below 里边 lĭ - inside 外边 wài - outside Explanation: Word order is different in Chinese from what ...
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Answered by Serena C. • Mandarin tutor
4446 Views

Solve the following simultaneous equations: x^2-y^2=9, x - y = 1

We first notice we have a linear and non linear equation. The simplest method to solve is to substitute the linear equation into the non linear equation and then solve for one of the unknowns. Then substitut...
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Answered by Shantu H. • Maths tutor
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How do you know whether to use the preterite tense or the imperfect tense?

That is a very good question, as both describe actions of the past. We use the preterite tense when we talk about actions which are seen as being completed in the past, notably one-off events. For example, y...
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Answered by Zoe S. • Spanish tutor
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Make s the subject of the equation: 4st + 8 = 5r

To begin this question, we want to isolate the term containing the s, i.e. have the term containing the s by itself on one side of the equality. We do this by subtracting 8 from both sides. 4st = 5r - 8 To m...
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Answered by Sophie W. • Maths tutor
3932 Views

A rectangle has an area of 20cm^2. Its length and width are each enlarged by scale factor 3. What is the area of the enlarged rectangle?

For questions regarding enlargements of shapes, it's sometimes easier to consider one dimension at a time. So for this example, let's first consider what the area of the rectangle would be if we just enlarge...
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Answered by Sophie W. • Maths tutor
10200 Views