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What is the equation of the tangent of the circle x^2+y^2=25 at the point (3,4)

Graph Firstly, if not drawn for you it would be best to draw the graph which is given to you (in this case you should notice is a circle with a radius 5 as the general equation for a circle is (x-a) 2 +(y-b)...
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Answered by Alireza A. • Maths tutor
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Factorise the equation x^2 + 5x+6 = 0

(x+3)(x+2)
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Answered by James W. • Maths tutor
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Osmoregulation is the process by which the body regulates the volume of water in the body. Define homeostasis and describe where osmoreceptors are located. Explain how osmoreceptors work and describe the key osmoregulation hormone and its target organ.

Osmoreceptors are located in the brain, within they posterior pituitary of the hypothalamus.Osmoreceptors shrink in response to reduced water in the blood due to movement of water from the osmoreceptor into ...
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Answered by Joely K. • Biology tutor
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Explain the process of classical conditioning with reference to a child's attachment to their parent

The Uncontrolled Stimulus (UCS) of a parent prior conditioning would not prompt a response of happiness (or attachment, the uncontrolled response) until it has been repeatedly paired with the neutral stimulu...
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What is the point of bearings?

Imagine you want to sail a ship from Liverpool to new York. While sailing you will need to know precisely what direction you need to be travelling at every point(if you are out by one degree this could resul...
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Answered by Jamie S. • Maths tutor
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