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Solve the inequality 5x - 7 > 2x +5

What does this inequality sign mean? That A "is greater than" B. We can treat inequalities as if they are = signs as long as we don't multiply or divide by negative numbers. What would happen then?...
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Answered by Camilla C. • Maths tutor
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Describe the differences in cell structure between animal, plant and bacterial cells

Cells are the micro building blocks of all living organisms, and though there are many different kinds allowing us to have many different functions, we will focus on the basic ones associated with animals, p...
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Answered by Anna S. • Biology tutor
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Explain how eutrophication can lead to the death of aquatic organisms? (6 marks)

1 - Fertilisers (eg NPK) used in agriculture are washed into local water sources such as rivers and lakes by rainwater/surface run off 2 - These nutrients enable algae to grow, leading to the formation of al...
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Answered by Amy W. • Biology tutor
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What are the definite articles in Italian and how do I know which one to use?

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Answered by Penelope S. • Italian tutor
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how do i calcualte the length of an unknown side of a right angled triangle

To calculate the length of the unknown side you must know the lenght of two of the other sides of the right angled triangle. if we know this we can use pythagoros thereom. The equation for this is a^2+b^2=c^...
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Answered by Callum L. • Maths tutor
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