Top answers

Solve the simultaneous equations 3x+y=16, x+y=10

3x+y=16 (equation 1)x+y=10 (equation 2)Solve by elimination, notice that we have two of the same y's so as they have the same sign we subtract to get 2x=6, we rearrange to get x= 3 Sub this back into equatio...
MS
Answered by Meera S. • Maths tutor
4452 Views

Prove that the square of an odd number is always 1 more than a multiple of 4

We start off by defining what an odd number is. We take a general letter, say the letter n, to represent any number. If we multiple it by 2 we are sure no matter what number we enter as n the answer will alw...
TM
Answered by Tanmayi M. • Maths tutor
3947 Views

How successful was the Treaty of London of 1518 in fulfilling Henry VIII’s aims in foreign policy?

Whilst it may have appeared in the beginning that the Treaty of London - an international non-aggression pact which involved over twenty European rulers - satisfied Henry’s desire to put England at the foref...
ES
Answered by Evie S. • History tutor
20207 Views

Describe how ATP is generated in the light-dependent reaction of photosynthesis.

Light energy excites electrons in chlorophyll to a higher energy level. The electrons pass down the electron transfer chain, reducing carriers as they go and releasing energy. The energy lost is used to gene...
Answered by • Biology tutor
7517 Views

Outline the different types of biological rhythms.

There are three main types of internal rhythms that influence human biology: ultradian, circadian and infradian. The duration and nature of these rhythms vary with individual differences and are affected by ...
SN
Answered by S N. • Psychology tutor
3049 Views