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If you were to buy 250ml bottles you would need four meaning - 250 x 4 = £1 x 4 = £4.

If you were to buy 500ml bottles you would need two meaning - 500 x 2 = £1.50 x 2 = £3.

Therefore it is ...

Answer:

8x²+10x-12

Explanation:

It is really important that every 'term' is multiplied by every other 'term'. A 'term' doens't just refer to the number but also to the sign...

Three forces : (4i + 7j)N , (pi +5j)N , (-8i+qj) N Mass = 5 kg acceleration = (2i - j) A.Collect like terms (4+p-8)i +(7+5+q)j = (-4+p...

Integration can be used to undo differentiation. So if you had an equation that was y=5x+2 and differentiated to get dy/dx=5. When you integrate it you would only get y=5x, so the +2 is lost, to make sure...

First, split the isosceles triangle down the middle to create a right angled triangle. Then label the opposite, hypotenuse and adjacent. The hypotenuse will be the longest side of the triangle, the opposi...