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The points A and B have coordinates (2,4,1) and (3,2,-1) respectively. The point C is such that OC = 2OB, where O is the origin. Find the distance between A and C.

To find the distance between the points A and C, we want to find the magnitude of the vector AC. In order to do this, we must first find the vector AC, which we do by using their position vectors. We are ...

SW
Answered by Sophie W. Maths tutor
11000 Views

How do bacteria become resistant to antibiotics?

That’s a really good question. Well are you familiar with the concept of Natural Selection? (assume correct explanation from the student). Yes, you’re right. It is in fact by this same mechanism that bact...

HC
Answered by Harry C. Biology tutor
3033 Views

What were the most significant social policy changes made by the Liberal governments from 1906 to the start of WWI?

From 1906-1914, Liberal governments in Britain introduced several major policy changes motivated by their desire to reduce poverty. The most significant changes fell into two categories: protecting vulner...

EM
Answered by Elizabeth M. History tutor
2280 Views

Evaluate the use of juries in criminal law.

Juries are random selections of the public from the electoral register, used in determining the verdict of (mostly) criminal cases - i.e., whether the defendant is guilty or not guilty. This can be decide...

GR
Answered by Gabriel R. Law tutor
14296 Views

Outline two assumptions of the Biological Approach to understanding human behaviour.

The Biological Approach to understanding human behaviour has many assumptions, two of which I will outline.

The first of these is the assumption that behaviour and thought are linked to the structu...

GR
26170 Views

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