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Solve (6x-2)/4 - (3x+3)/3 = (1-x)/3. (4 marks)

(6x-2)/4 - (3x+3)/3 = (1-x)/3 multiply both sides of the equation by 12=lowest common multiple of 4 and 3 3(6x-2) - 4(3x+3) = 4(1-x) expand brackets 18x - 6 -12x - 12 = 4 - 4x simplify 6x - 18 = 4 - 4x10x = ...
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Answered by Eleanor L. • Maths tutor
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Describe the cardiac cycle, referring to the valves of the heart.

Deoxygenated blood enters the right atrium of the heart via the superior & inferior vena cavae. The atria contract and the right atrioventricular valve opens, allowing the blood to enter the right ventri...
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Answered by Thomas R. • Biology tutor
2823 Views

Give 2 reasons why a river might deposit its' load (2 marks)

1- Loss of river velocity, causing it to deposit its load due to a loss of energy.2- The river meets a more shallow area, meaning the friction causes the river to deposit its load due to a loss of energy.
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Answered by Sophie M. • Geography tutor
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State the meaning of the term infiltration (2 marks)

Infiltration is the process by which water enters the ground by seeping through pores in soil or any other surface. Rates of infiltration depend on factors such as soil saturation level, compaction or partic...
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Answered by Sophie M. • Geography tutor
6331 Views

Outline 2 cultural factors that may affect ethnic differences in educational achievement (4 marks)

One factor highlighted by Beretier and Engelmann is differing speech codes. They note that poor black families tend to use 'ungrammatical', broken English, putting them at a disadvantage in achieving educati...
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Answered by Sophie M. • Sociology tutor
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