Top answers

Find the volume of a cone with radius 13cm and with a perpendicular height of 9cm.

volume= 1/3( πr 2 )h= 1/3 (3.14x 13x 13)x9= 1592.79 cm 3 (2.d.p) = 1590 cm 3 (3.s.f) r= radius h= perpendicular height
MB
Answered by Meghan B. • Maths tutor
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Can you name for four chambers of the human heart?

left atrium, right atrium, left ventricle, right ventricle
AJ
Answered by Ashley J. • Biology tutor
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3 eggs cost £4.80 and 4 slices of bread cost £3.00. What is the cost of 1 egg and 1 slice of bread?

3 eggs = £4.80£4.80/3 = £1.601 egg = £1.604 slices of bread = £3.00£3.00/4 = £0.751 slice of bread = £0.751 egg and 1 slice of bread = £1.60 + £0.75 = £2.35
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Answered by Oluwatobi A. • Maths tutor
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Discuss the contribution of behavioural psychologists such as Pavlov and Skinner to our understanding of human behaviour

Explanation: developed our understanding that human behaviour is (can be) learned, environmentally developed, and brought focus on to learning. Behavioural psychologists studied observable, measurable events...
GS
Answered by Gemma S. • Psychology tutor
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Describe the structure of glycogen and explain why it is a suitable molecule to store energy.

Glycogen is a polysaccharide. Polysaccharides are carbohydrates made up from a large number of monosaccharides joined together by glycosidic bonds formed in condensation reactions. Glycogen, sometimes referr...
Answered by • Biology tutor
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