Top answers


How can I best prepare for an English Literature exam?

The best way to prepare for an English exam is (having read the texts) to explore the themes within the text, as these are likely to form the basis of the exam questions and it will also give you a more thor...
KE
Answered by Kathryn E. English tutor
3511 Views

How many thirds are there in 12?

A third is 3 divisions of 1, for example cutting 1 muffin into thirds would give 3 pieces. So if you had 12 muffins and cut each muffin into 3 pieces you would have 36 pieces. Therefore there are 36 thirds i...
PS
Answered by Pree S. Maths tutor
28237 Views

One form of muscle disease is caused by a mutant myosin allele. It prevents myosin from binding to other myosin molecules, thus preventing contraction. Suggest why.

Sarcomeres are formed of myosin and actin filaments which are interleaved. If myosin cannot bind to each other then thick filaments cannot be formed. Thus, there is nothing to anchor myosin so actin cannot b...
JW
Answered by Jade W. Biology tutor
11559 Views

3 postitive whole numbers have a mean of 6. What is the greatest possible range of the numbers?

15: (x+y+z)/3 = 6 so, x+y+z = 18.Range = highest number - lowest number. For the max range, at least 1 of the numbers must be 1. 1,1,16. 16-1 = 15
JW
Answered by Jade W. Maths tutor
7633 Views

X^2+4x-21=0 Solve for x

Quadractics factorise into double brackets like (x-a)(x-b). We ave to find the facors of -21 which add to make +4. 7 and -3 suffice. (x-3)(x+7) Then x will be equal to 3 and -7 for the equation.
JC
Answered by James C. Maths tutor
5387 Views