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If you take £28, what is 10% of 28? 2.8 So what is 30% of 28? You would do 2.8 x 3... which is? 8.4 And what is 5% of 28? You would half 2.8...so 1.4 Now add together 30% of 28 and 5% of 28... this gives ...

Salts and minerals are dissolved into the river water and thus travel in solution. Insoluble materal such as clay floats giving the river water a darker murky appearance as it travels in suspension. large...

The first of the two major theories are Lock and Key mechanism, which describes the perfect design of the enzyme active site to that of its substrate so that they can immediately interact on contact witho...

The heart is composed of a specialied muscle type called cardiac muscle. This has unique properties such that each muscle cell is connected together by gap junctions in their cell membranes (electrical sy...

Let u = ln(x) and dv/dx = x

Thus du/dx = 1/x and v = x²/2

Using the formula:

Integral of udv/dx = uv - Integral of v*du/dx<...