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Explain and describe the formation of constructive plate boundaries and a landform associated with them.

A constructive plate boundary occurs when two tectonic plates are moving away from one and other. This movement is caused by currents within the mantle. As the plates are slowly pulled apart the rising magma...
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Answered by Rudi M. • Geography tutor
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What is the truth table for the Boolean operator AND?

The Boolean operator AND is a very common one encountered in Computer Science, along with NOT and OR (and its variant XOR). The operator takes in two inputs and gives one output. The truth table shows all th...
AN
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Describe and explain three differences between meiosis and mitosis

Mitosis consists of one cell division whereas meiosis consists of two cell divisions.Mitosis produces two genetically identical daughter with the same number of chromosomes as the parent cell whereas meiosis...
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Answered by Krishan P. • Biology tutor
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Given that y={(x^2+4)(x−3)}/2x, find dy/dx in its simplest form.

Looking at the problem to start we can see that this is an algebraic division problemThere are three common methods you will come across for finding dy/dx for algebraic problems: The Chain Rule, The Product ...
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Answered by Meeza T. • Maths tutor
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How do I deal with parametric equations? x = 4 cos ( t + pi/6), y = 2 sin t, Show that x + y = 2sqrt(3) cos t.

Note: I have a screenshot of the question that I should be able to add to the work space. Q5 C4 June 2014 Edexcel.x + y = 2sqrt(3) cos tStart with x = 4 cos ( t + pi/6) and the trig identity cos(A + B) = cos...
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Answered by Karina D. • Maths tutor
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