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What is Pythagoras' theorem and what can it be used to figure out?

Pythagoras' theorem states that in any right-angled triangle the square of the longest side (called the HYPOTENUSE) is equal to the sum of the squares of the other two shorter sides. If the two shortest side...
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Answered by Alice F. • Maths tutor
4710 Views

How does The Grapes of Wrath compare with The Great Gatsby in the presentation of America in the 20th century?

Undeniably, one of the most noticeable differences between the texts is that they portray America in vastly contrasting economic states. Not only was the 20s a significantly richer and more lavish decade, bu...
EC
11724 Views

Solve the equation 3a^2+4a+1=3 for all values of a. Give your answers to 3 significant figures.

First take the 3 over the other side to make the right hand side zero, turning it into a homogeneous equation: 3a 2 +4a-2=0. Since the expression on the left hand side cannot be factorised, we have to use qu...
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Answered by Nida A. • Maths tutor
4151 Views

How do I approach an Othello extract question?

Example of an extract question for Othello: “Read the extract below and then answer the question. Explore the significance of this extract in relation to the tragedy of the play as a whole. remember to inclu...
KM
12481 Views

Explain how the trunk of an elephant evolved using Darwin's theory of natural selection, and then Lamarck's theory.

According to Darwin's theory, genetic variation within the population means that some elephants are born with longer noses. Longer noses are better suited to the environment, so longer-nosed elephants are mo...
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Answered by Katie P. • Biology tutor
32330 Views