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x2 - 4x -12 is a quadratic equation with a general formula. It can be factorised by into brackets and solved.By looking at the equation, the last term is negative so one number in the factorise...
As the triangle in the question is a right angled triangle we can use Pythagoras Theorem , a2+b2=c2. c is the size of the longest size which is what we are looking for an...
Meiosis concerns the division of cells within sexually reproducing organisms. It results in the formation of four daughter cells via meiosis I and meiosis II. These daughter nuclei are described as 'haplo...
Arteries have a narrower lumen with a thicker layer of muscle tissue which contains more elastic. Whereas veins have a wider lumen with a thinner layer of muscle tissue. Veins also contain valves to preve...
i) Anaerobic and aerobic respiration are both biochemical reactions (see below): ANAEROBIC RESPIRATIONGlucose = lactic acid + energy releasedAEROBIC RESPIRATIONGlucose + oxygen= carbon dioxid...
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