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Edexcel, 2016, Foundation Maths GCSE: A running club has 50 members. 30 members take part in road races, 15 members take part in fell races, 12 members do not run in road or fell races. How many members run both fell and road races?

Start with a Venn Diagram. Ask them to draw it out and put the numbers where they think the numbers should go. Talk about overlapping: e.g. imagine two paper circles that overlap. The middle portion is thick...
GA
Answered by Garima A. • Maths tutor
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A rectangle has a total perimeter of 32cm with sides of length '3x' and 'x+8'. Solve for x.

3x + x+ 8 + 3x + x + 8 = 328x + 16 = 328x = 16x = 2
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Answered by Sai P. • Maths tutor
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What is osmosis and how does it differ from diffusion

osmosis is the movement of water Across a semi permeable membrane. Water molecules more from an area of high water concentration to an are of low water. This would bean water would move from an area where th...
KF
Answered by Kathryn F. • Biology tutor
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Identify the various structures in a reflex arc in the context of a pin prick. What is the end response and why is this beneficial?

Stimulus --> receptor --> coordinator --> effector --> response. Pin prick --> skin receptors --> sensory neurone --> relay neurone --> motor neurone --> effector muscle --> con...
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Answered by Sai P. • Biology tutor
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How do I know whether to use avoir or être in the passé composé?

The passé composé is the most common past tense in French and is used to talk about a completed action in the past. The passé composé is made up of two parts - the present tense of either avoir or être (the ...
AH
Answered by Abigail H. • French tutor
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