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What and where are alkali metals in periodic table? Explain reactivity trends.

Alkali metal have 1 outer electrons. Reactivity increases down the coloumn.
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Answered by Sandeep T. • Chemistry tutor
2861 Views

Explain the Berlin Blockade.

The Berlin Blockade began on the 24th June 1948. It occurred during the division of Germany following Germany's defeat in World War Two. It was decided by the wartime allies that Germany be divided into four...
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Answered by Juliet D. • History tutor
3101 Views

How would you convert a recurring decimal to a fraction?

With this question, it is useful to work with a specific example, so let’s take the recurring decimal 0.27. The first step in converting it to a fraction is to set it equal to x, this will help us with our a...
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Answered by Matthew L. • Maths tutor
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Let f(x)= 5x-10 and h(x)= -5/x. A) Find fh(x). B) Find hf(x)

A) Find fh(x) This question is asking you to find the result when the function h(x) is sent through f(x). It is also not giving any numbers so the answer should be in terms of x. To answer this you should si...
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Answered by Isobelle S. • Maths tutor
6983 Views

Find the length of the longest side in this triangle.

Diagram of triangle with a right angle Two sides on the right angle = a & b a 2 + b 2 = c 2 Therefore, if a = 5 and b = 12: then c = 13.
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Answered by Colette M. • Maths tutor
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