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x = 0.045 (45 recurring). Prove algebraically that x can be written as 1/22

x=0.045 (45 recurring) 10x = 0.45 (45 recurring) 100x = 4.54 (54 recurring) 1000x = 45.45 (45 recurring) To get rid of the decimals: 1000x-10x = 45.45 - 0.45 990x = 45 x = 45/990 x = 9/198 (simplify by divid...
JT
Answered by John T. • Maths tutor
61018 Views

What are the differences between the past tenses and how do I use them?

In French, there are 2 main past tenses - the passé composé, and the imparfait. The passé composé is used when an action has been completed, for example, when in English we would say 'I ate' or 'I have eaten...
KO
Answered by Kitty O. • French tutor
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Describe the characteristics of oceanic crust (3 marks)

So here the quesiton is looking for either 3 separate points, 1 per mark, or 2 points, 1 of which is a basic point and then 1 other point with added detail. This is a simple remember and regurgitate in the e...
KH
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Analyze the sentence structure in “He looks cute”

In English, "he" in the sentence "He looks cute" is the subject of a copular verb, which is similar in Mandarin; "CUTE" serves as a p redicative word. While in Chinese, there is...
YL
Answered by Yoko L. • Mandarin tutor
2966 Views

How do I prepare for an English Literature exam?

The most important thing when preparing for your English exam is to make sure you have a clear idea of the themes of the pieces – whether they be novels, plays or poems. In my experience, the most productive...
CK
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