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What are the features of a good, reliable study/ investigation?

To produce a good reliable study, you would first need a sufficient number of participants to represent the actual population. Therefore a large sample size (number of participants in the study) would produc...
AC
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How do you structure an essay?

To meet the marking criteria, you need to make sure you cover all of the assessment objectives. A well structured essay would do this effectively. For example, if one had the question, 'assess the presentati...
KT
4787 Views

Find dy/dx of the equation (x^3)*(y)+7x = y^3 + (2x)^2 +1 at point (1,1)

Use the product rule d(u.v)/dx = u.(dv/dx) + v(du/dx). Calculate the LHS as such first. (Demonstrate on whiteboard.) Then calculate the RHS. (Demonstrate on whiteboard.) Group the dy/dx terms on one side of ...
SP
Answered by Sophie P. • Maths tutor
5905 Views

Natasha has two bags of fruit. both bags have the same number of fruit in total. 1/3rd of the fruit in bag 1 are apples and 15% of the fruit in bag 2 are apples. There are 20 apples in bag 1, how many apples are in bag 2?

Using the fact that 1/3rd of the fruit in bag 1 are apples and there are 20 apples in total you can work out that there are 60 pieces of fruit in bag 1. This is found by doing 20 x 3 = 60. Then using the fac...
DQ
Answered by Danyal Q. • Maths tutor
3467 Views

Factorise 2e – 4f + ex -2fx

2(e-2f) + x(e-2f) = (2+x)(e-2f)
KT
Answered by Katrina T. • Maths tutor
5393 Views