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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. We know the height is 16 cm. So the...
AS
Answered by Aneesh S. • Maths tutor
24292 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 Product Rule as e^2-x a...
SK
Answered by Sophie K. • Maths tutor
10893 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 one un...
PP
Answered by Parth P. • Maths tutor
4526 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 the subject of the formula: ...
RT
Answered by Robbie T. • Maths tutor
109110 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: Am I actually answering the question? Have I answered the whole question? (the question above has two parts) UNITS! With this question, it's important to reali...
RW
Answered by Rebecca W. • Maths tutor
5329 Views