Search over 10,000 free study notes

Step 1 : First we multiply both sides by 4, this is to eliminate /4 on the lhs(left hand side), and then we multiply the rhs(right hand side) by 4, this gives us (11-w) = 4(1+w) which is then equeal to 11...

This is a case of substitution. 2(3)+(7) =13

Before using a more complex formula it is better to know how to answer the question using a simpler method.

From the diagram we can see that this is a sector from a circle. We need to find out the ...

1*1/100+1= 1.001

To find the gradient of the graph, we need to differentiate the equation. So if y = xⁿ ==> the derivative dy/dx = nx^n-1 This means that dy/dx = 6x + 5 for this eq...