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Kelly is trying to work out the two values of w for which 3w - w^3 = 2 Her values are 1 and -1 Are her values correct? You must show your working.

Firstly substitute her first value into the equation so w=1 giving (3 x 1) - (1)^3 = 3 - 1= 2 so her first value for w is correct Next substitute the second value into the equation so w= -1 giving (3 x -1) -...
EN
Answered by Eve N. • Maths tutor
11354 Views

GCSE: How do you find the bearing of point B from A?

Draw a line pointing North from point A. Use a ruler to draw a line that joins points A and B. Use a protractor to measure the angle between the line that is North of A and the line that joins A and B This a...
MP
Answered by Marcel P. • Maths tutor
17825 Views

Work out 2 and 3/4 x 1 and 5/7 Give your answer as a mixed number in its simplest form.

First make each fraction into an improper fraction so on the top of the first fraction it would be 3 + (2 x 4) = 3 + 8 = 11 therefore first fraction = 11/4 for the second fraction the top = 5 + (1 x 7) = 5 +...
EN
Answered by Eve N. • Maths tutor
31327 Views

Translation occurs in living cells. Explain how translation is carried out, from the initiation stage onwards.

The mRNA was transcribed, (or copied) form a piece of DNA and it holds the information that is needed for protein synthesis. mRNA is read and the amino acids are eventually put together in a chain (polypepti...
KV
15302 Views

Give methods used in the factory farming of animals. Explain the advantages and disadvantages of these methods

Firstly, animals are kept in cramped conditions. While this allows for the cheaper production of larger amounts of meat this is unethical and causes unnecessary stress to the cooped up animals. The temperatu...
DB
Answered by Davina B. • Biology tutor
17313 Views