GCSE|Edexcel|Maths P3H (Nov 2020)

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Solve: 5x/2 > 7

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Andy cycles a distance of 30 km at an average speed of 24 km/h.

He then runs a distance of 12 km at an average speed of 8 km/h.

Work out the total time Andy takes.

Give your answer in hours and minutes.

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A number, m, is rounded to 1 decimal place.

The result is 9.4

Complete the error interval for m.

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(a) Has Maisie got enough grass seed to make a lawn 10m by 14m?

You must show all your working.

Maisie opens the 5 boxes of grass seed.

She finds that 4 of the boxes contain 2 kg of grass seed.

The other box contains 1 kg of grass seed.

(b) Does this affect whether Maisie has enough grass seed to make her lawn?

Give a reason for your answer.

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Amanda has two fair 3-sided spinners.

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Read the image.

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Use this graph to find estimates for the solutions of the quadratic equation x² − 4x + 2 = 0

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There is a total of 45 boys and girls in a choir.

The mean age of the 18 boys is 16.2 years.

The mean age of the 27 girls is 16.7 years.

Calculate the mean age of all 45 boys and girls.

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