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Circle the number that is closest in value to (1.1)/(0.0204) [From selection of 5, 6, 50, 60] [Edit of 2018 Paper 1 Q4]

To simplify the question, the denominator can be rounded to 0.02 (to find an estimate), which comes out to be 1.1/0.02=55, which suggests that the answer is between 50 and 60, and not the other two.Now, a...

DL
Answered by Doug L. Maths tutor
3193 Views

What is the difference between ‘a’, ‘à’ and ‘as’?

It may seem confusing at first, but once you know the basics all you need to do is ask yourself what the purpose of the word is in your sentence. ‘A’ functions as the verb in the sentence...

SO
Answered by Sylvia O. French tutor
8620 Views

A sphere has a surface area of 4m^2, radius r. Another sphere has radius 2r. Calculate the Volume of the second sphere in M^3.

The surface area of a sphere can be calculated using Area = 4 x Pi x r^2. Since we know the surface are of the first sphere is 4m^2, we can write: 4 = 4 x Pi x r^2. This simplifies to r^2 = 0.318. Taking ...

FW
Answered by Freddie W. Maths tutor
2750 Views

Describe a biochemical test that could be used to determine the presence of triglycerides in a sample of food.

Dissolve the sample in ethanol and then add water. The presence of triglycerides is confirmed by a white emulsion forming.

HN
Answered by Hannan N. Biology tutor
11635 Views

Why is genetic diversity decreased when populations are split off from one another?

This question is all about genetic diversity and more specifically how difference in alleles is what creates diversity within a population of a species. (here I would ask about whether the student underst...

BJ
Answered by Ben J. Biology tutor
2099 Views

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