Search our library of homework questions

Top answers

All subjects

All levels

When should you use the passé simple instead of the imparfait?

The "passé simple" is most often used in literary and formal writing express a completed past action. E.g. Un jour, elle tomba malade. (one day, she fell ill)

The "imparfait" on...

Answered by Annabel V. • French tutor

2589 Views

A student cut a piece of potato into 10 discs, each 1mm thick and with a 10mm diameter. He then placed them in a beaker of deionised water. After a couple of days, they had increased in size- both thickness and diameter. Explain why this is the case.

The cells composing the potato tissue contain fluid, or cytoplasm. This contains dissolved salts and these ions attract water molecules; cations, or positive ions, attract the partially negatively charged...

Answered by Eva K. • Biology tutor

2968 Views

Solve the simultaneous equations: y-2x-4 = 0 (1) , 4x^2 +y^2 + 20x = 0 (2)

Re-arrange (1) : y = 2x + 4 Square both sides: y^2 = 4x^2 + 16 Substitute (1) into (2) and simplify: 2x^2 + 9x + 4 = 0 Factorise the equation: (2x+1)(x+4) = 0 Solve for x: x = -1/2 and x = -4 Substitute t...

Answered by Giorgos A. • Maths tutor

9345 Views

How can I describe events in the future?

In English, we have 'I am going' + infinitive, for example, I am going to eat. This can describe an event in the near future. Then, we have the term "will" for talking about a future that is mor...

Answered by Julia K. • Italian tutor

2618 Views

Why did Italy start fighting in the Second World War as late as October 1940?

The Second World War broke out in September 1939 following Adolf Hitler's invasion of Poland. Fascist Italy and Nazi Germany were allies, and had been since the Pact of Steel in May 1939. As a result, Ita...

Answered by Julia K. • History tutor

2425 Views