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Simplify fully (x^2 + 3x)/(4x + 12) ​

First, factorise both the top and the bottom expressions. What is the common factor for the top expression? (expect an answer of x). If you factorise out the x, what are you left with? (expect x(x+3))What is...
MP
Answered by Martha P. • Maths tutor
3878 Views

How do I differentiate between haben and sein verbs when using perfect past?

When using perfect past, you should form your sentence with both an auxiliary verb (haben/sein) and the past participle of your chosen doing word. e.g. Person + auxilliary verb + details + past participle. E...
PL
Answered by Philippa L. • German tutor
4399 Views

Work out 51% of 400

0.51x400 =204
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Answered by Rachel N. • Maths tutor
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The equation of the line L1 is y = 3x – 2 The equation of the line L2 is 3y – 9x + 5 = 0 Show that these two lines are parallel.

First of all, you are trying to prove that these two lines are parallel. So how would we be able to show this… Well two lines are parallel to one another if they have the same gradient (draw demonstration). ...
EH
Answered by Emily H. • Maths tutor
3930 Views

Solve algebraically the simultaneous equations x^2 +y^2 =25, y – 3x = 13

This question is done by substituting either the x or y. To do this, rearrange the second equation to make y the subject. We make y the subject as it keeps the equation and calculation simple. After rearrang...
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Answered by Shun S. • Maths tutor
25120 Views