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A right-angled triangle has two smaller sides of length 5cm and 12cm. What is the length of the hypotenuse?

By Pythagoras' Theorem, we know 5 2 +12 2 = c 2 . So c 2 = 169, thus c = +13 as lengths are positive.
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Answered by Niall C. • Maths tutor
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Outline the causes of a storm surge.

Strong winds blowing across the water. Storm surges are a product of extreme low pressure weather systems which raise sea levels, When low pressure combines with a high tide and strong onshore winds, the sto...
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Answered by Jack S. • Geography tutor
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n is an integer such that 4n+6≤18 and 5n/(n^2+4)>1. Identify the range of possible values of n.

To solve the first inequality, you need to subtract 6 from both sides of the inequality, to obtain 4n≤12. This can then be cancelled down to n≤3 by dividing both sides by 4. To solve the second inequality, w...
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Answered by Hakeem S. • Maths tutor
6980 Views

Translate the following into German: Due to the bad weather, I have caught a cold

Wegen des schlechten Wetters, habe ich mich erkältet
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Answered by Alexandra A. • German tutor
1619 Views

How to form the Perfekt (past) tense in German?

To form the past tense in German, you need the conjugated auxiliary verb (haben or sein) and the past participle of the verb, which comes at the end of the sentence. For example, if you want to say "I h...
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Answered by Alexandra A. • German tutor
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