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By Pythagoras' Theorem, we know 5²+12² = c². So c² = 169, thus c = +13 as lengths are positive.

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 ...

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...

Wegen des schlechten Wetters, habe ich mich erkältet

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 "...