Top answers

Show that n²-n-90=0

FULL QUESTION: here are n sweets in a bag. Six of the sweets are orange. The rest of the sweets are yellow. Hannah takes a sweet from the bag. She eats the sweet. Hannah then takes at random another sweet fr...
VM
Answered by Vihaan M. • Maths tutor
10995 Views

How do I tell if a noun is masculine or feminine?

This is a common obstacle for students of French whose native language is English, which doesn't divide its nouns into genders. Unfortunately, there isn't a way of telling the gender of every word just by lo...
MD
Answered by Marcus D. • French tutor
3896 Views

Which of the following is correct: a) der Haus, b) die Haus, c) das Haus?

c) das Haus
MS
Answered by Miranda S. • German tutor
28234 Views

How should I structure my essays?

One thing to remember with essay structure, is that there is ‘more than one way to skin a cat’. Everyone will have their own unique style, and two answers which seem quite different can get the same mark. Ho...
GR
6650 Views

Write x^2 – 10x + 12 in the form (x – a)^2 + b , where a and b are integers.

This is a past exam question from a real GCSE paper, and is an example of "completing the square." I will show you 4 steps for answering this question. ¬¬¬ The first step is to check whether the x^...
EY
Answered by Emily Y. • Maths tutor
28150 Views