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Expand and simplify (6x+9)(4x+7)

Using the "crabs claw" or "parrot beak" method, draw lines linking the two brackets (demonstrated on whiteboard) 6x x 4x = 24x 2 6x x 7 = 42x 9 x 4x = 36x 9 x 7 = 63 Answer = 24x 2 + 42x ...
JG
Answered by Jenna G. • Maths tutor
5336 Views

How do you work out compound interest?

Check whether student can calculate simple interest, e.g. How much money would you have after 1 year if you have £50 and get 3% interest? (Ans: 50*1.03 = 51.50) Once this is understood get them to calculate ...
JW
Answered by Joanna W. • Maths tutor
4234 Views

What should I aim to do in my free composition to guarantee high marks?

At GCSE level, your examiners are not looking for a particularly complex piece of music. They are simply looking for a well-executed, well written-out simple composition, and the easiest way to accomplish th...
JB
Answered by Jacob B. • Music tutor
14359 Views

Identify two methods of internal growth that a business could choose:

The options of internal growth in a company are: - Increase existent production through innovation in technology or investment in new capital - Creation of new productions - Finding new markets such as a dif...
HB
4280 Views

Factorise fully the following: 12x^3 + 3x^2 + 15x

To factorise an equation entirely it is necessary to think of the commonality between all terms. In this case, not only 'x' is common in all the parts of the equation, but also '3'. Knowing this information ...
HB
Answered by Helena B. • Maths tutor
5020 Views