Top answers

What is an easy way to pick up marks in the biology GCSE?

Biology GCSE like any other requires a basic level of understanding, but in addition it requires you to use scientific terminology. By using specific words or descriptions in your answers you make it easier ...
EC
Answered by Eleanor C. • Biology tutor
4453 Views

How do I tackle a source based paper?

Source based paper's are often what student's find the most difficult despite the fact that most of what they need to know is in front of them. When answering a source based question a little bit of extra kn...
EC
Answered by Eleanor C. • History tutor
4467 Views

Solve (x + 2)(x+3) = (2x+4)

Expand: x 2 + 2x + 3x +6 = 2x+4 Take (2x+4) from both sides: x 2 +3x+2 = 0 Facorise: (x+2)(x+1) = 0 So solutions are x=-2 and x=-1
MT
Answered by Michael T. • Maths tutor
8500 Views

A simple circuit contains a battery rated at 12V, connected in series to a filament lamp with a resistance of 3 ohms. What current flows through the filament lamp?

V=IR, where V is voltage (volts), I is current (amps) and R is resistance (ohms). Since V and R are known, I needs to be found. Rearranging the equation gives: I=V/R. Inputting the values gives I=12/3. I=4A
TV
Answered by Tom V. • Physics tutor
5986 Views

Find the solutions of the equation x^2 - 2x - 8 =0

First factorise the equation into 2 sets of brackets: You can do this by looking at the constant in the quadratic, 8. Try and find 2 numbers that multiply together to make 8 (such as 4 and 2), and that can b...
TV
Answered by Tom V. • Maths tutor
8655 Views