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How should I structure a 16 mark essay? (AQA)

The 16 mark essay is divided into 10 marks for evaluation and 6 marks for explanation. This is important to note as many students will weight their answer more heavily towards explanation rather than eval...

Answered by Jemima P. • Psychology tutor

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Calculate the rate of change of y(t) = 1/(4t), when t = 8

Write in differentiable form: 1/4 t^-1Differentiate: - 1/4 t ^-2Evaluate derivative at t =8: 1/256

Answered by Sophie C. • Maths tutor

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A is the point with coordinates (5, 9) B is the point with coordinates (d, 15). The gradient of the line AB is 3. Work out the value of d.

gradient is calculated using the change in y coordinates divided by change in x coordinates. so, (15-9)/(d-5)=3 => 6/(d-5)= 3rearrange this equation to get d on one side (6/3)+5 = d therefore d= 7

Answered by Eve C. • Maths tutor

3829 Views

What is the difference between the imperfect and the perfect tense?

Spoken french uses different kinds of tenses to talk about the past. The main two which are used are the imperfect (l'imparfait) and the perfect (le passé composé). The imperfect tense, w...

Answered by Alice P. • French tutor

1555 Views