Top answers


Rearrange the formula to make 'y' the subject: x = (1 - 2y)/(3 +4y)

Ok so we need to get 'y' by itself on the left hand side of equal sign. We will first try to remove the denominator by multiplying 'x' by (3+4y). This gives (3+4y)x = 1 - 2y. We will then expand the brackets...
WI
Answered by Wajiha I. • Maths tutor
18179 Views

What is exactly differentiation?

This is obviously a very important but somewhat difficult to explain question of maths. Let's try to define these terms for normal functions between R (real numbers) and R. Now, if we consider the derivative...
JP
Answered by Joseph P. • Maths tutor
6451 Views

What is the highest common factor of 24 and 90?

To find the highest common factor of 24 and 90 we do this in three steps: 1. Find the prime factorisation of the two numbers. This means rewrite each given number as a product of only prime numbers. The prim...
JP
Answered by Joseph P. • Maths tutor
14155 Views

How do you form the '-te' form of verbs?

Take the '-masu' ending off the verb, leaving the stem (e.g. 'kaemasu --> kae-') and just add '-te'. The '-te' form is extremely useful: combine it with 'kudasai' to ask someone to do something, with 'ima...
AS
Answered by Adham S. • Japanese tutor
11162 Views

Evaluate the use of marketing plans for businesses:

Advantages of a Marketing Plan: -Having a marketing plan forces a business to think about how it will act in the future; this means they will be proactive and not just reactive (where they would simply react...
PC
3627 Views