Top answers


A right-angled triangle has side lengths of 4cm and 3cm. What is the length of its hypotenuse?

If u can recall the formula for Pythagoras’ in a right angle triangle. Its a^2 + b^2 = c^2 , where C is the hypotenuse. As you can tell from the question , we have been given 2 sides. Now you will need to lo...
FH
Answered by Faizul H. Maths tutor
7196 Views

How do you do integration by parts?

Split the equation into two : one that you are going to integrate, and the other one you want to differentiate. then, apply formula uv - integral(v * du)
HI
Answered by Harvin I. Maths tutor
4374 Views

Divide 270 in the ratio 3:2:1

As you can see from the question there are 6 parts that 270 needs to be divided by. One sixth of 270 is equal to 45 and so one of the parts is equal to 45. To get the ratio, you have to simply multiply the a...
SL
Answered by Sinat L. Maths tutor
37579 Views

A curve C has equation y=(2x-3)^5. Find the equation of the normal of this curve at point P with y coordinate -32.

Finding normals and tangents to curves is a very common question in A-level maths papers, especially core 3 modules, giving between 5-8 marks depending on complexity. In order to start this question, the x c...
NC
Answered by Natalie C. Maths tutor
11205 Views

Solve the simultaneous equation- 2x+8y=10 and 3x+2y=5

Firstly, lets name each equation A and B- this will help us later. If I told you what x was, you would be able to use either equation to find y- easy! so lets first find one unknown (x or y) then use that to...
MG
Answered by Max G. Maths tutor
6172 Views