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Solve 3(x-2)=21

Firstly, I would explain to the student what exactly the question is asking you to do. When solving an equation we are finding the value of x. I would get the student to read the equation aloud, starting fro...
IN
Answered by Imogen N. • Maths tutor
14800 Views

Define the terms CU and ALU and briefly explain their roles in the CPU.

The two terms are acronyms for "Control Unit" and "Arithmetic and Logic Unit". The ALU handles all arithmetic operations (for example, addition) and all logical operations (for example, c...
JD
Answered by João D. • Computing tutor
10755 Views

Why is Kekule's benzene structure an inaccurate representation of the molecule?

Firstly all of benzene's bonds are the same length and therefore there cannot be both double bonds and single bonds in the molecule. Secondly the bond angles are all the same as well which would not be the c...
PM
Answered by Patrick M. • Chemistry tutor
24561 Views

What is the integral of x^x?

The integral of x^x can be solved by taking logarithms of the formula and getting xln(x) then using integration by parts it is given than u=ln(x) and dv=x therefore u'=1/x and v=(x^2)/2 using uv-(integral of...
NS
Answered by Nathan S. • Maths tutor
5377 Views

What are the assumptions made when calculating values regarding an Ideal Gas?

The factors that are assumed are: -The volume of particles is negligable. -The electrostatic forces betwen the particles are negligable. -All collisions between particles and the walls of the container are e...
NS
Answered by Nathan S. • Physics tutor
2944 Views