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Complete the gaps in this sentence: In simple distillation, the mixture is heated to make the liquid . The vapour is then cooled to make it _.

First answer: evaporateSecond answer: solidify

Answered by Sammy B. • Chemistry tutor

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This rectangle is twice as long as it is wide. The perimeter of the rectangle is 30cm. What is the area?

50cm²

Answered by Sammy B. • Maths tutor

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Write the missing numbers on the lines.

76 + 84 = 16036+54 = 90

Answered by Sammy B. • Maths tutor

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Prove that 2^(80)+2^(n+1)+2^n is divisible by 7 for n belongs to the natural number.

We will prove that 2^(n+2)+2^(n+1)+2^n is divisible by 7 using formula to multiply powers with the same base:a^(b) * a^(c) = a^(b+c)Now looking at our expression we can write:2^(n+2) + 2^(n+1) + 2^n = 2^n...

Answered by • Maths tutor

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How are working class more likely to underachieve in education compared to middle class students

Working class children are more likely to underachieve due to internal and external factors. External factors are the those that are culturally deprived meaning that it is outside of the education system ...

Answered by • Sociology tutor

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