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GCSE

What are the different ways to solve a quadratic equation?

There are three main ways to find the roots of a quadratic and they all have different benefits.Firstly, suppose your equation is in the form ax^2 + bx + c where a,b,c are all real numbers. Then you could...

Answered by Maths tutor
2902 Views

GCSE English Language (AQA), paper 1, Q3... How has the writer structured the text to interest you as a reader?

First, remember that this exam question is the hardest and, across both papers, is only worth 8 marks from the 160 on offer. So don’t panic too much! You’ll have many other opportunities to pick up marks....

Answered by English tutor
7290 Views

Define the different types of respiration.

Respiration is the process of transferring energy throughout cells within an organism. Energy is required for a lot of processes to take place in organisms such as: movement - for muscle contractions to t...

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Answered by Sarah W. Biology tutor
3455 Views

Solve the following simultaneous equations to give a value for both x and y: 3x+3y=9 and 2x+3y=5

  1. Subtract the bottom equation from the top equation to get 3x-2x=9-5 (you don't see no y values in this equation as the y's have disappeared and cancelled eachother out as 3y-3y=0)2) So 3x-2x=9-5 equ...
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Answered by Amy F. Maths tutor
3551 Views

Explain the process of DNA replication (6 marks).

The parental DNA is unwound from its double helix structure.DNA Helicase enzymes break hydrogen bonds between the bases of the parental DNA.DNA p...

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Answered by Gerald H. Biology tutor
21739 Views

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