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You are told that the y is proportional to x^2 and that when y=75, x=5. Find a formula for x in terms of y.

If we know that y is proportional to x 2 then we using the given values we can write 75= 5 2 --> 75=25, however this is obviously not true but all that remains is to multiply the 5 2 by 3 which gives us 7...
JP
Answered by Jenieka P. • Maths tutor
3704 Views

Solve 9x - 3 = 4x + 17

The objective of the question is to find an answer to x = ?, where ? is a number. Start by 'moving' all the x's to one side of the equals sign and all the numbers to the other. This can be done by adding / s...
MC
Answered by Michael C. • Maths tutor
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Translate the following sentences into French. [10 marks]

My father is tall. Mon père est grand. At school I like maths and science . A l'école, j'aime les mathématiques et les sciences. I listen to music in the evening. J'écoute de la musique le soir. In my town t...
TD
Answered by Tutor70478 D. • French tutor
3825 Views

Vous êtes en vacances et vous écrivez à votre ami(e) français(e). Mentionnez : •où vous êtes •la météo •l’hôtel•vos activités de vacances

Chère Julie, Comment vas-tu? J'espère que tes vacances se passent bien. Je t'écris cette lettre pour te donner de mes nouvelles. En ce moment, je suis en vacances à Marseille. La météo est très bonne: il y a...
TD
Answered by Tutor70478 D. • French tutor
267069 Views

Expand and simplify fully 4(x - 2) - 2(3 - 5x)

Firstly, expand out the first bracket - 4x - 8 - 2(3 - 5x) Then the second bracket (remember a minus x a minus = a positive) - 4x - 8 - 6 + 10x Then finally group the like terms together - 4x + 10x - 8 - 6 =...
CR
Answered by Calum R. • Maths tutor
6256 Views