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Solve the simultaneous equations: 3x+2y=22, x=y-1

We can see that x=y-1 and therefore can sub this in our first equation, to give us 3(y-1)+2y=22. If we expand the brackets we than have 3y-3+2y=22 which can be tidied up to give 5y-3=22. If we add 3 to bo...

KF
Answered by Katherine F. Maths tutor
3697 Views

Explore the significance of setting in Angela Carter's 'The Bloody Chamber'.

The setting of The Bloody Chamber bares way to a suitable 'atmosphere' for the exploration of the speaker's unconscious mind. The speaker moves away from the busy musical life of her home in Paris, to the...

OF
Answered by Olly F. English tutor
15476 Views

The curve C has a equation y=(2x-3)^5; point P (0.5,-32)lies on that curve. Work out the equation to the tangent to C at point P in the form of y=mx+c

Firstly you should work out the first derivative of the equation y= After differentiating the equation, sub the x value of the point P into the first derivative. This should give you the gradient of the e...

MR
Answered by Mohammed R. Maths tutor
3154 Views

How would I begin revising for the critical essay in the advanced higher English exam?

If you already know the text, I would begin by taking a past paper and going through all relevant questions, summarising how you would answer each one. Set a time limit - you’ll have about 30 minu...

FR
Answered by Francis R. English tutor
3205 Views

Why can samples of an element have same atomic number but different atomic masses?

This is because the atomic mass of an element is the sum of protons and neutrons. While the proton number is specific for an element, the neutron number can vary for different isotopes of the element. The...

FB
Answered by Francis B. Chemistry tutor
2727 Views

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