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Solve the inequality x^2 + 5x -24 ≥ 0.

There are a few different ways to approach this problem but the simplest and most easy to visualise solution comes from sketching the curve y = x 2 + 5x - 24 and identifying the range of x-values for which y...
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Answered by Owen W. • Maths tutor
9262 Views

olim Alexander , rex Macedonum , cum exercitu suo ad terras Indorum iter faciebat. - How would you go about translating this sentence?

To start off with, go along the sentence and mark out what case each word is or could be. For example, above 'Alexander' mark 'S', which stands for subject and 'V' for vocative. Similarly, you would do the s...
JM
Answered by Joe M. • Latin tutor
2556 Views

Hydrogen chloride (HCl) has a melting point of -114.2 °C. Sodium chloride (NaCl) has a melting point of 801 °C. Explain in terms of structure and bonding why these substances have such different melting points?

Hydrogen chloride has a simple molecular structure. The atoms within the molecule are held together by strong covalent bonds. However, for simple covalent molecules to melt only the weak intermolecular force...
AJ
34908 Views

Que'est ce que tu fais pendant ton temps libre?

Pendant mon temps libre, je profite d'un éventail d'activités intéressantes. En premier, j'adore faire du jogging a la campagne, dans les champs qui entourent ma maison. Ca me permet de me changer les idées,...
GM
Answered by Georgina M. • French tutor
21871 Views

Mark buys a computer. A VAT of 10% is added to the price of the computer. He pays £246. What was the original price of the computer before VAT was added?

We want to find the original price of the computer.We know when 10% of the price was added to the computer it costs £264.So £264 is equal to the original price plus 10% of the original price.To find 10% of a...
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Answered by Lisa S. • Maths tutor
4863 Views