Search our library of GCSE questions

Top answers

All subjects

GCSE

How does George Orwell create a culture of fear in '1984'?

Published in 1949, George Orwell's 1984 denotes the deeply authoritarian 'Party' exhibit control over its citizens, redefining social super structures such as family and the media, as it seeks ultimate co...

Answered by Charles L. • English Literature tutor

16581 Views

Make x the subject of the following formula: 5(3x -2y) = 14 - 2ax

(1) 5(3x - 2y) = 14 -2ax 15x - 10y = 14 - 2ax (2) 15x +2ax -10y = 14 15x + 2ax = 10y + 14
(3) x(15 + 2a) = 10y + 14 x = (10y + 14) / (15 + 2a)
To asking us to make x the subject of a fo...

Answered by Thomas W. • Maths tutor

3993 Views

Solve these simultaneous equations: 3xy = 1, and y = 12x + 3

From first equation: 3xy = 1 => x = 1/(3y)Substitute expression for x into second equation: y = 12x + 3 => y = 12(1/3y) + 3 = 4/y +3Multiply through by y: y² = 4 + 3y => y²

Answered by Hallam M. • Further Mathematics tutor

2703 Views

A is the point (2,-5), B is the point (-1,4). (a) What is the gradient of the line passing through points A and B? (b) Does the point (-100,301) lie on the line passing through points A and B?

(a) let A be (x1,y1) and B be (x2,y2), Gradient = m = (y2-y1)/(x2-x1) m = (4- -5)/(-1-2) = 9/(-3) = -3 Gradient = -3
(b) equation of a straight line line: y = mx + c => y1 = ...

Answered by Hallam M. • Maths tutor

3498 Views

What is the difference between the function of platelets, white blood cells and red blood cells?

They are all components of blood. Platelets are small fragments of cells and help blood to form clots. This stops the body from bleeding when a blood vessel gets damaged. White blood cells destroy microor...

Answered by Tutor313352 D. • Biology tutor

3386 Views