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A and B are points on a circle, centre O. BC is a tangent to the circle. AOC is a straight line. Angle ABO = x°. Find the size of angle ACB, in terms of x. Give your answer in its simplest form. Give reasons for each stage of your working.

(This question is from the Edexcel Higher GCSE paper 2018) As BC is a tangent to the circle, we know that angle OBC must be a right angle (90 degrees)We also know that lines OA and OB are both the same le...

Answered by Rachel T. Maths tutor
10081 Views

Outline the process of protein synthesis (8 marks).

Firstly, we need to understand what the question title is asking... 'Outline' means to roughly describe and give a summary of the key points of a 'process' which is a ser...

Answered by Natalie H. Biology tutor
8574 Views

How to structure an exam answer

First you must allocate time to feature spot the text after the reading time set, this can be about 5 minutes. Look for where ambitious terminology can be used, for example, if amelioration (language chan...

Answered by Jill L. English Language tutor
2749 Views

How do I learn all of the studies supporting features of the multi-store model stores?

Break them down- Remember the aim is the same for all of them.I made two separate tables: one for the procedure and one for the findings so it doesn't look like as much information.Use as few words as pos...

Answered by Molly H. Psychology tutor
1651 Views

By completing the square, find the coordinates of the turning point of the curve with equation y = x^2 + 10x + 2

The equation is in the form ax^2 + bx + c, where a = 1, b = 10 and c = 2To complete the square, we write (x + b/2a)^2 + c - (b/2a)^2So here we would have (x + 5)^2 + 2 - 25Therefore completed square form ...

Answered by Niamh M. Maths tutor
6389 Views

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