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How do I tackle fractional powers?

The main thing to know when answering these sorts of questions is that the denominator of the fraction is the root you take of the given number. For example, 16 1/2 is the same as the sqaure root of 16, whic...
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Answered by Cameron S. • Maths tutor
3783 Views

How to balance equations

Write out all the atoms that are in the equation, underneath. Then always balance the carbons first, leave the others for later. Then do the hydrogens and then the oxygens. This method is for simple equation...
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Answered by Kajal R. • Chemistry tutor
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The main cause for the Easter Rising of 1916 was World War I. Discuss.

The First World War was a cause of the Easter Rising in 1916. First, John Redmond, leader of the Irish Parliamentary or Home Rule party, declared Irish support for the British war effort, and committed troop...
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Answered by Orlaith C. • History tutor
9862 Views

Integrate sin(x)cos(x)^2 from 0 to π/2

Use substitution u=cos(x) resulting in du=-sin(x)dx: ∫ 0 π/2 sin(x)cos(x)^2dx = ∫ 0 π/2 -u^2du = [-1/3 u^3] x=0 x=π/2 = [-1/3 cos(x)^3] 0 π/2 = (-1/3 cos(π/2)^3) - (-1/3 cos(0)^3) = (-1/3 0^3 ) - (-1/3 1^3) ...
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Answered by Benedek S. • Maths tutor
9631 Views

What are the differences between normal cells and cancer cells?

Cancer cells are not foreign cells, but abnormally functioning body cells, and may therefore escape immune detection, which is one of the reasons why they are so difficult to treat. Here are some differences...
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Answered by Mariana N. • Biology tutor
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