Top answers


Express 9^3x + 1 in the form3^y ?

In these types of question, you need to find out how the integer relates to the new integer - it will be by integrals. We can see that 9 is just 3 x 3 which is 3^2. Thus we now have 3^2(3x +1). As we know fr...
PM
Answered by Polly M. Maths tutor
4289 Views

Explain the key differences between Von Neumann and Harvard CPU architectures.

Von Neumann used for more general purpose applications (i.e. personal computers, phones etc)Harvard architecture used for embedded systems (i.e. cockpit controls, GPS devices)Von Neumann architecture Stores ...
JR
3486 Views

The equation of line L1 is y=5x-2. The equation of line L2 is 4y-20x=6. Show that these two lines are parallel.

Let's start by recalling that two lines are parallel when their gradients are equal. We know that the gradient of the line y=mx+c, is m. So the gradient of L1 is 5 as the equation of the line is already in t...
OC
Answered by Oliver C. Maths tutor
4114 Views

What are the main structures of an animal cell, and what are their functions?

The main structures in an animal cell are: The cell membrane- the membrane found around the outside of the cell, some substances can cross it to move in and out of the cell (this means it is semi-permeable)....
CW
Answered by Clare W. Biology tutor
3248 Views

Was the Cold War a Hot War that failed to happen?

The Cold War was an entirely new conception of international relations, and one which can only tentatively be termed a ‘war’, certainly in the conventional sense. The Prussian military theorist Carl von Clau...
RW
Answered by Rob W. History tutor
5071 Views