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Describe the role of lipids.

Lipids are a great energy reserve in both plants and animals . This is due to the greater number of carbon-hydrogen bonds present in comparison to carbohydrates. It also acts as an insulator against heat los...
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Answered by Josh J. • Biology tutor
8362 Views

'It was Ronald Reagan who brought the Cold War to an end.' How valid is view with reference to the years 1985 to 1991?

This is a ‘factor’ question. By being asked to assess the validity of the view presented in the question, we are being asked to analyse other factors that could have brought the Cold War to an end. Then, to ...
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Answered by Nermeen H. • History tutor
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Integrate this funtion f'(x)=2x +4 with respect to x (C1 integration)

Solution to Answer: y= (2x^2)/2 + 4x + C Therefore: y= x^2 + 4x + C Steps on how to do C1 Integration y = a*x^n y = a*x^n is y = (a/n+1)*x^(n+1) Therefore, our final answer in this case is y = (a/n+1)*x^(n+1...
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Answered by Seair Q. • Maths tutor
7050 Views

How many three-digit numbers start with a digit multiple of 3 and can be devided by 2 without a reminder?

Students are often troubled with combinatorics questions. TMost of them have never been given a proper explanation for the formulas for combination, variation, and permutation. In the given problem we are lo...
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Answered by Kristiyan T. • Maths tutor
2467 Views

Jack can paint a house in 5 days, and Richard can paint the same house in 7 days. Working together, how long will it take them to finish the job?

In order to simplify the problem, I will solve it without using fractions. First, we should find the least common multiple(LCM) of the days needed for Jack and Richard to paint a house. Normally, we would us...
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Answered by Kristiyan T. • Maths tutor
4559 Views