Search our library of homework questions

Top answers

All subjects

All levels

How do I approach an unseen American literature essay question?

Read the passage and highlight it - looking for key literary techniques 2) Try and place the text on the historical and literary movement timeline (use the date given as rough guidance, the author's...

Answered by • English Literature tutor

6544 Views

Imagine a sector of a circle called AOB. With center O and radius rcm. The angle AOB is R in radians. The area of the sector is 11cm². Given the perimeter of the sector is 4 time the length of the arc AB. Find r.

11 = 1/2 r²RAB = x = rRr + r + x = 4x2r = 3rRR = 2/3r²R = 22r² = 33r = √33

Answered by Alice S. • Maths tutor

4530 Views

Find x and y using the equations 3x + y= 10, x + y = 4

First of all there are 3 different methods of working out simultaneous equations: Elimination, Substitution and Graphical. Today I will show the substitution method.
If x + y = 4 then rearranging the...

Answered by Tobi O. • Maths tutor

4107 Views

x^3 + 3x^2 + 2x + 12

3x² + 6x + 2

Answered by Jiawang Q. • Maths tutor

3397 Views

How to perform integration by substitution. (e.g. Find the integral of (2x)/((4+(3(x^2)))^2)) (10 marks)

We begin by looking at the integral by itself. The first thing we must do is evaluate what type of integration we should perform. It's always important to make sure that it's not a standard integral such ...

Answered by Kenneth B. • Maths tutor

3743 Views