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Well, for numbers, we have a number axis which is a straight line (like this [...]) and it is divided into more pieces, of one unit each. We begin to draw this axis by placing zero in the middle (like thi...
The probability that the first sweet Hannah eats is orange is 6/n, as there are n sweets and 6 of them are orange. If this is indeed orange, then there are now n-1 sweets left in the bag, of which 5 are o...
Factorise and solve x2 - 8x + 15 = 0.
When factorising there are 3 things to look for;
A common factor in each component of the equation. In this case there are no commo...
8a3bab4 2a3b2 (can write this more clearly by hand using whiteboard) First go about seperating and collecting terms. Begin with the top line. ...
It's a two part question. First Part Expand the equation the left hand side to get a^(2)*x-b^(2)*x^3 thus comparing co-efficients a^2=25 and b^2=4 thus a= 5 b=2 Second Part Therefore b^(-a) ...
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