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Maths
GCSE

A cylindrical beaker has a height of 16 cm and a diameter at its bottom of 10 cm. What is its volume? Give your answer to 2 decimal places.

As the beaker is a cylinder, we know the formula of its volume is (pi x (radius)2) x height.

Since the radius = 1/2 diameter and the diameter = 10 cm, the radius = 5 cm.

AS
Answered by Aneesh S. • Maths tutor
21016 Views

Find the exact value of the gradient of the curve y=e^(2-x)ln(3x-2) at the point on the curve where x=2.

This is a typical gradient question for A2 papers, as it requires use of the Product Rule and Chain Rule, as well as knowledge of e^x.

Firstly, we can see that we will need to use the Pro...

SK
Answered by Sophie K. • Maths tutor
9732 Views

Explain how to solve simulatentous equations.

A simultaneous equation is an equation with 2 unknowns( X and Y). You will have 2 seperate equations. By adding or subtracting the 2 equations, eliminate one of the unknowns(X0). You are now left with ...

PP
Answered by Parth P. • Maths tutor
3700 Views

How do you change the subject of the formula?

​All that changing the subject of the formula means is basically getting a letter on its own on one side of the equation. To begin, let's take a relatively simple example.

Make x ...

RT
Answered by Robbie T. • Maths tutor
103880 Views

Jill takes out a loan of £6000 to get a car. The loan has a compound interest of 3% and she takes it out for 4 years. a) How much interest has Jill accrued after 2 years? b) What is the total amount to be paid after 4 years?

There are 3 rules to answering Maths questions:

  1. Am I actually answering the question?
  2. Have I answered the whole question? (the question above has two parts)
    3. ...
RW
Answered by Rebecca W. • Maths tutor
4329 Views

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