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What is the density of a material if 4 cubic metres (m3 ) of it has a mass of 2,200 kg?

Density can be described as the amount of mass per unit volume. It describes how closely together different particles are spaced. It varies significantly from solids to liquids to gases.In terms of calculati...
JM
Answered by Jamie M. • Physics tutor
6332 Views

f(x)=2x^2 -8 What is the value of x if f(x)=0, x>0

This would be a typical B grade GCSE question. Firstly, let's set f(x) to 0 , where now we have 0=2x 2 -8 . We now need to rearrange to find x. First, move the -8 to the other side of the "=" sign,...
TD
Answered by Tutor122314 D. • Maths tutor
5845 Views

How do you scan a line of dactylic hexameter?

Take a line of dactylic hexameter in Latin, e.g. Thybris ea fluvium, quam longa est, nocte tumentem (Virg. Aen. 8.86)Begin by marking any elision in the line (where a word ending in a vowel or an ‘m’ is foll...
JH
Answered by Jonathan H. • Latin tutor
4477 Views

How do I know when to use which past tense in French when I'm translating/writing?

The easiest way to correctly use different tenses, and particularly past tenses, when writing in French, or translating into French, is to remember the different values linked to each tense, in the context o...
FD
Answered by Florence D. • French tutor
2819 Views

Factorise 12x^2 +17x +6

If you imaging the equation as ax^2 +bx +cYou multiply the numbers of a and c together. This number then becomes the product of two numbers that either add or subtract to make the number for b.So 12 x 6 is 7...
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Answered by Amy B. • Maths tutor
11169 Views