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Chemical reactions can be written as an equation with molecules on each side of the equation. Balancing equations is about ensuring that the number of atoms of each element on the left hand side of an equ...

A healthy artery is wider and has no blockages. The lumen (which is the hole in the centre of the artery), is open and clear. This means there is more blood flow. An artery of a person suffering from coro...

Eyewitness testimony is the process of interviewing witnesses to a crime to help gain evidence and facts on what happened. Misleading information is when the interviewer provides information during that i...

Deflation is the state of an economy where prices are falling, representing a rise in the real value of money over time. If inflation is falling that means that the rate at which prices increase is reduci...

1/(x(a-x)) = B(1/x + 1/(a-x)) Note: the '≡' sign (defined equivalence) can be used in place of '=' but this is not necessary to achieve full marks.Step: multiply both sides by x(a-x)1 = (x(a-x))B(1/x + 1/...