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Solve the equation x^2-10x+21=0

First of all notice the highest power on this equation is '2' so it must be a quadratic equation. Using the general form Ax^2+Bx+C=0 we must find two numbers that are factors of C and add together to get B. ...
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Answered by Simran S. • Maths tutor
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Compare the causes and treatment of type 1 and type 2 diabetes

Blood glucose levels are controlled by the pancreatic release of the hormone insulin. Insulin is released from the pancreas when blood glucose concentration is high. This causes glucose to move from the bloo...
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Answered by Emily H. • Biology tutor
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A box contains an assortment of 100 coloured marbles, coloured red, blue and green. The ratio of blue balls to green balls is 1:3. If there are 16 red balls in the box, what is the ratio of red balls to green balls, and red balls to blue balls?

The student should state that there are x blue balls. From this, they may determine that overall, the number of blue and green balls combined must be 4x, and hence the number of red balls is therefore '100-4...
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Answered by Daniel H. • Maths tutor
3146 Views

EVALUATE SOCIOLOGICAL EXPLANATIONS FOR THE EXISTANCE OF SECTS, CULTS AND NEW RELIGIOUS MOVEMENTS. (20)

EVALUATE SOCIOLOGICAL EXPLANATIONS FOR THE EXISTANCE OF SECTS, CULTS AND NEW RELIGIOUS MOVEMENTS. (20) INTRO: · Sects, cults and NRM’s all played role in shifting away from traditional forms of worship withi...
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Answered by Nayab F. • Sociology tutor
27569 Views

“ Religious people should keep their views about medical ethics to themselves.” discuss.

Society in general, consists of a variation of beliefs on medical ethics. Medical ethics is an area which is stated to be an extremely controversial area within ethics itself. While considering a political a...
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