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Frank owns an ice cream van. When he bought the van five years ago and an ice cream cost £1.50. If the price of an ice cream increases by 3% a year how much does an ice cream cost now?

new amount = old amount * (1 + interest)^(number of times interest has occured) new amount = 1.50 * (1 + 0.03)^5 = £1.74 (rounded to 2 decimal places)
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Answered by Thomas N. • Maths tutor
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Differentiate y = x^3 + 2x^2 + 4x + 7

To differentiate you bring the power down and multiply it by any coefficients (numbers in front of the xs) then subtract one from the power So x 3 becomes 3x 2 2x 2 becomes 2*2x 2-1 = 4x 4x becomes 4*1x 1-1 ...
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Answered by Courtney S. • Maths tutor
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Why did the Conservative Governments dominate politically in the 1950s

There are many reasons why the Conservative governments stayed in power for so long and remained successful during the 1950s. Firstly, they kept the 'feel good' factor high amoungst the public by discarding ...
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Answered by Amelia D. • History tutor
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Should the House of Lords be elected?

It could be argued that, yes, the House of Lords should be elected because it would make parliament more democratic. One may suggest that an unelected chamber has no place in a modern democracy therefore nee...
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What is the differences between passive voice and active voice?

Firstly, in an active sentence (voice), the subject is performing the action of the verb. For example, Susana tocó el piano de Ana. (Susana played Ana's piano) In this context, 'Susana' is the subject of the...
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Answered by Lijie Y. • Spanish tutor
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