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How would you answer the following exam question: Why were there disagreements at the Potsdam Conference in 1945? Explain your answer (6 marks- OCR, 2015)

The mark scheme requires that you provide a 'multi-causal response' for you to score full marks. This should mean that you provide two or three reasons why there were disagreements. Also, make sure that it a...
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Answered by Luis F. • History tutor
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We have two straight lines AB and CD. The coordinates of A,B and C are A(1,3), B(5,9) and C(0,8). The point D lies on the line AB and is halfway between points A and B. Is the line CD perpendicular to AB?

First of all we need to find the coordinates of the point D. As D is halfway between the two points A and B, to find the midpoint of a line segment, we add the x coordinates then divide by 2, and add the y c...
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Answered by Bryony H. • Maths tutor
7098 Views

Expliquez la différence entre le COD et le COI

Le COD , ou complément d’objet directe désigne l’objet d’une action . Il n’est pas précédé par une préposition . Pour le trouver il faut répondre a la question : QUOI/QUI? Ex: Emma mange une bananeEmma mange...
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Answered by Tamara M. • French tutor
4545 Views

Kevser buys 5kg of sweets for £10. She separates the sweets so that there are 250g of sweets in each bag. She sells each bag for 65p. She sells all bags. What is her percentage profit?

1kg = 1000grams 5kg = 5000 grams. 5kg will give 20 bags (5000/250). Total amount she will make from selling is £13. Hence, profit percentage is (13-10)/10*100. Which gives profit percentage since profit is t...
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Answered by Kevser T. • Maths tutor
4322 Views

The equation of a straight line is 3x + 2y = 24. Find where the line crosses the x-axis.

Let's first think about what it means when the line crosses the x-axis. If we consider a normal x-y coordinate plane, every point on the x-axis has a y value of 0. So if we are trying to find out where the l...
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Answered by Angela D. • Maths tutor
8450 Views