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Solve the simultaneous equations 3x + y = 11 and 2x + y = 8.

First identify which unknown has the same coefficient. In this case it is y.Either add or subtract the two equations to eliminate y. In this case we subtract one equation from the other (can be either). 3...

Answered by Natasha C. • Maths tutor

3123 Views

Choose a play which explores the theme of love. By referring to appropriate techniques, show how this theme is communicated to the audience.

In his play Much Ado About Nothing, Shakespeare explores the theme of true love through a range of techniques. One of the most effective of these is the use of contrasting relationships. Shakespeare shows...

Answered by • English tutor

1056 Views

Explain why chlorine is more reactive than iodine(3 marks)

The chlorine atom is smaller than the iodine atom therefore its 7 outer electrons are closer to the nucleus than the 7 outer electrons in iodine. In turn, this means the positively charged chlorine nucleu...

Answered by Haaris R. • Chemistry tutor

4798 Views

If a right angled triangle has its longest side 7cm and another side is 4cm then how long is the other side of the triangle? Show your working

Right angle means use Pythagorus:
a² + b² = c²
thereforea² = c² - b² = 7² - 4² = 49-16 ...

Answered by Jayan C. • Maths tutor

2408 Views

You are asked to choose from the meal deal at school, there are 9 varieties of sandwich, 6 varieties of snack and 8 varieties of drink. The meal deal consists of a sandwich, snack and drink - how many different combinations of meal deal are there?

As described, the meal deal consists of 1 sandwich, 1 snack and 1 drink. To work out the number of combinations possible you times the number of available sandwiches, by the number of available snacks, by...

Answered by Frances C. • Maths tutor

9995 Views