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solve the simultaneous equation: 8x+2y=46; 7x+3y=47

To solve this problem, we want to make either the x or the y values either equation the same.To work out whether to change the x or the y values, work out the lowest common multiple for each.For x, the value...
JW
Answered by Jess W. • Maths tutor
5317 Views

Find the stationary points of the graph x^3 + y^3 = 3xy +35

Differentiate wrt x to get 3x 2 + 3y 2 dy/dx = 3y + 3x dy/dx Rearrange to get dy/dx = (3x 2 - 3y)/(3x-3y 2 ). Set dy/dx =0 and infer y=x 2 . Substitute in for y into original equation and rearrange to get x ...
JB
Answered by Joe B. • Maths tutor
10477 Views

Write a critical comparison of the following poems, considering in detail ways in which your responses are shaped by the poets’ language, style and form.

Spend 15 minutes reading through the poems carefully, annotating both for anything interesting with regards to the three criteria in the question (language, style and form). Then spend about 7 minutes planni...
OB
5750 Views

Solve the equation 10x + 4 = 12x + 2

2 = 2xTherefore x = 1
ZY
Answered by Zain Y. • Maths tutor
3495 Views

Consider the significance of ‘social conservatives’ in US politics.

This is a short answer question requiring the student to describe and analyse. There is no need for extensive evaluation and the focus should remain on the question.- Socially conservative views; pro-life on...
YT
2271 Views