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Expand and simplify (2x + 5) (3x - 2)

The importan thing to remember is that each part of both of the brackets must be multiplied by each part of the other bracket (the word 'expand' meaning multiply when the brackets are next to one another). S...
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Answered by Emily G. • Maths tutor
11988 Views

Can you please give me 3 sentences of things you can do on the weekend?

我去公园 我跟我家人玩儿 我在家看书
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Answered by Amelia H. • Mandarin tutor
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A scientist is researching the effect of an energy drink on a group of twenty men. State two characteristics of the sample which may influence the results.

So this question is looking at how characteristics of different people may affect how they respond to an energy drink. A good way to start thinking about this question is to think about what makes the people...
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Answered by Amy B. • Biology tutor
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What are the main differences between mitosis and meiosis?

Mitosis and meiosis are both examples of cell division that result in the creation of new cells. There are two main differences between these processes; firstly, meiosis involves two cell divisions and mitos...
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Answered by Bryonie O. • Biology tutor
4267 Views

Explain the difference between global warming and the greenhouse effect.

Global warming is the long term change in climate that has happened cyclically throughout earth's history, but is currently happening at a much faster rate than normal. This is usually associated with the gr...
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