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What are measure words?

Measure words are characters that are used when describing how many there are of a certain object. E.g. if you want to say 'five books', you have to say ‘五本书 not ‘五书’. Therefore, 本 (the measure word) is need...
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Answered by Natasja N. • Mandarin tutor
2961 Views

Make y the subject of the formula p=((x+y)/5)^(1/2)

To "make y the subject" basically means to get an expression in the form y= a function of the other variables (in this question, x and p). This will involve adding, subtracting, multiplying and div...
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Answered by Tom W. • Maths tutor
10355 Views

How do you multiply out two brackets?

Let us use the example of (x + 3)(x + 5) The main thing we have to remember is to multiply every term in the first bracket by every term in the second bracket. An easy way to make sure we've done this is to ...
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Answered by Elliot T. • Maths tutor
7280 Views

Write an algebraic expression to show the area of a square with side length x+4

x 2 + 8x + 16
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Answered by Anna B. • Maths tutor
5872 Views

What is the difference between nominative, accusative and dative?

The nominative, accusative and dative are cases: they affect adjective endings and the article used for a noun. The nominative is used for the subject, the noun which is carrying out the action. In the sente...
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Answered by Alice H. • German tutor
51695 Views