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What is ATP and why do we need it?

ATP is short for adenosine triphosphate, and it can be thought of as the energy 'currency' in our cells. It has a similar structure to that of an RNA nucleotide, as it is comprised of a nitrogenous base (ade...
TD
17554 Views

How come x^2 = 25 has 2 solutions but x=root(25) only has one? Aren't they the same thing?

(This is something that I didnt fully understand for quite a while at school.) So when we are solving x 2 =25, in order to get x "on it's own" we square root both sides. However the definition of r...
DJ
Answered by Dylan J. • Maths tutor
9041 Views

What is you opinion when it comes to what people think about global warming? Answer in Spanish.

El cambio climático es algo muy importante. Es de vital importancia que los tratemos como tal, ya que de no ser así, podríamos sufrir fatales consecuencias. No todo el mundo piensa que el cambio climático es...
CR
Answered by Christian R. • Spanish tutor
1870 Views

Write an algebraic expression to show the area of a square with side length x+4

x 2 + 8x + 16
AB
Answered by Anna B. • Maths tutor
5816 Views

When should you use the subjunctive in French?

You employ the subjunctive in French normally in subordinate clauses, triggered by an earlier signal in the sentence: a personal/impersonal verb, or a conjunction. The subjunctive is associated with emotion,...
FD
Answered by Freya D. • French tutor
6845 Views