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When would you use the preterite versus the imperfect?

The preterite tense is used for completed actions in the past, so for example: j'ai joué au foot hier. The action has been done once and is finished. The imperfect would be used for repeated actions in the p...
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Answered by Tilli E. • French tutor
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what is the point of intersection between the lines 3y-4x=12 and 2x=2y+3

As these are simultaneous equations you will need to get a coefficient of either x or y on one side and then substitute it within the other equation. Using the second equation you can divide by 2 leading to ...
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Answered by Benedict G. • Maths tutor
3085 Views

What is meant by the multi-store memory model?

The multi-store memory model was proposed by Atkinson and Shiffrin in 1968. The model proposes the idea of distinct memory stores and describes the flow between each of these stores. The three stores are: se...
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Answered by Issy B. • Psychology tutor
3459 Views

The percentage of oxygen absorbed from the air in the lungs is usually approximately the same, so how can the oxygen supply to the blood be increased during vigorous activity?

The oxygen supply to the lungs can be increased during vigorous activity by inhaling more deeply and more rapidly. This will cause a larger volume of air to be taken in per breath, which exposes the capillar...
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Answered by Sophia W. • Biology tutor
4464 Views

Area of a shaded trapezium within a rectangle involving algebra.

I have a labelled screenshot of how to go about this question
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2928 Views