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Write the missing numbers on the lines.

76 + 84 = 160 36+ 54 = 90
SB
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 and...
Answered by • Sociology tutor
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What is the difference between mitosis and meiosis?

The main difference between the two is that only normal body cells go through it, so for instance your skin cells go trough mitosis whereas MEIOSIS is specifically for sex cells, so for instance for the prod...
Answered by • Biology tutor
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What is the difference between a saturated and unsaturated fatty acid?

Saturated fatty acids have no double bonds between the carbon atoms in their carbon chain (the carbon chain is ‘saturated’ with hydrogen). In contrast, unsaturated fatty acids have at least one double bond b...
Answered by • Biology tutor
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