Top answers

Draw the following inequality on a graph: x^2+4x+1<-2

First we must ensure the equation is in a form that is easy for us to plot!This means we equate the quadratic to 0 by shifting the -2 to the other side. We do this by adding +2 to both sides.Now, we draw the...
SA
Answered by Saad A. • Maths tutor
3631 Views

two connected triangles in an overall shape ABCD, find length AD

Use cosine rule to find the length of BD then use this with the sine rule to find length AD, will be more obvious with the diagram on the whiteboard.
JK
Answered by Jack K. • Maths tutor
3261 Views

A cuboid has edge 7 centimetres, 5 centimetres and a total surface area of 142 centimetres squared. A larger, similar cuboid has a shortest edge of 12 centimetres. Find the third edge of the smaller cuboid and the volume of the larger cuboid.

Let's call the length of the third edge &quot;Y&quot; so we have edges of 7cm, 5cm and Ycm.There are 6 faces but opposite faces are the same, so there are 3 pairs of faces which are 5cm by 7cm, 5cm by Ycm an...
OR
Answered by Ollie R. • Maths tutor
5660 Views

How is the past tense formulated in French?

At GCSE, one would need to know two versions of the past tense, the passé compos é and the imparfait. The P.C. is used to explain events that happened just once and can be in the near or distant past. It is ...
EH
Answered by Ellis H. • French tutor
2042 Views

What is interesting about the form of Mary Shelley's 'Frankenstein'?

The 2 key formal features of Frankenstein are the use of epistolary form and an embedded or framed narrative. A novel written in epistolary form develops the narrative through a series of documents- in this ...
JG
21978 Views