Top answers

How do I differentiate y = ln(sin(3x))?

So we initially have the relationship y = ln(sin(3x)). As the left hand side is a function of the variable y and the right hand side is a function of the variable x i.e they are implicitly related, we need t...
IW
Answered by Ifan W. • Maths tutor
20874 Views

What is the difference between aerobic and anaerobic respiration?

The main difference between aerobic and anaerobic respiration is that anaerobic does not require oxygen in order to provide energy whereas aerobic needs oxygen to supply the body with ATP energy. However, th...
AJ
13605 Views

When I multiple two negative numbers together is my answer positive or negative?

My favourite way to remember whether my answer is positive or negative when I multiply two numbers is to think of the following: a) If you multiply two numbers with the SAME sign (i.e. two positive numbers o...
HS
Answered by Hannah S. • Maths tutor
5261 Views

Expand and simplify the following; (2 + 3^0.5)^2 - (2 - 3^0.5)^2

(2 + 3^0.5 )^2 - (2 - 3^0.5 )^2 Firstly we will start by seperating the 2 brackets. This will give us 1 : (2+ 3^0.5 )^2 2 : (2 - 3^0.5 )^2 We will start by expanding our brackets. To do this we use the rule;...
MN
Answered by Mickey N. • Maths tutor
10725 Views

A bullet is fired horizontally from a rifle 1.5m from the ground at 430m/s. How far does it travel and for how long does it travel before it hits the ground?

A bullet is fired horizontally from a rifle 1.5m from the ground at 430m/s. How far does it travel and for how long does it travel before it hits the ground? Assuming that air resistance is negligable What's...
TA
Answered by Tim A. • Physics tutor
104073 Views