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Solve the following simultaneous equations: 1) 2x + 7y = 12 2) 4x = 14 - 4y

×2 --> 4x + 14y = 241) - 2) --> 4x + 14y - 4x = 24 - 14 - (-4y) 14y = 10 + 4y10y = 10 --> y = 14x = 14 - 4 (1)x = 10/4 = 2.5x = 2.5 & y= 1
BS
Answered by Bernardo S. • Maths tutor
3685 Views

How do I demonstrate my interest in my subject on my personal statement?

You demonstrate interest in the subject you're applying for by giving examples of ways in which you've pursued a deeper knowledge of your subject outside of your A-level curriculum. This could be through boo...
EM
4586 Views

Explain the concept of price elasticity of demand

Price elasticity of demand is an economic concept that economists use to understand how demand is affected by changes in price. Formally, it explains the responsiveness to demand to a change in price. When a...
HE
Answered by Hamza E. • Economics tutor
2562 Views

Decrivez l’immigration en France apres avoir regardé le film ‘Que est- ce qu'on a fait au Bon Dieu?'

Depuis plusieurs années, le sujet d’Immigration en France est devenu très populaire parmi toutes les classes et races. Si autre fois les immigrés étaient majoritairement européens, ce n’est plus le cas aujou...
AK
Answered by Aleksandra K. • French tutor
2498 Views

Find max point of y=-x^2-5x-10

Can either differentiate or using the completing the square method. Differentiation not covered at GCSE so completing the square should be done to get -((x+5/2) 2 +15/4). To find the max point we need to fin...
GR
Answered by Gautham R. • Maths tutor
3849 Views