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How do we decide whether to use the perfect or imperfect in the past tense in French?

This is one of the trickier aspects of French grammar. The first thing we must do is to decide whether we definitely need to use the past tense in French. The trickiest aspect is then knowing whether to use ...
GC
Answered by George C. • French tutor
2748 Views

To what extent was US's use of atomic weapons on Japan in the Second World War justified?

Considering the profound impact of the United States use of the atomic weapon on modern history, the historical debate on whether or not the US is justified in employing it near the end of the second world w...
JC
Answered by Jonathan C. • History tutor
2273 Views

What is meant by 'resolving a vector into its components'?

So, let's think of a vector as an 'instruction' - a guide telling us to move in a specific direction for a certain distance. (Draw arbitrary vector A here). This is not the only way to move this distance awa...
JR
Answered by John R. • Physics tutor
3382 Views

Explain the effect of inhibitors on the activity of enzymes.

Enzyme inhibitors are substances that alter the catalytic action of an enzyme. There are two types of inhibitors: competitive and non-competitive. Competitive inhibitors bind at the active site of an enzyme ...
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Answered by Vasiliki V. • Biology tutor
6492 Views

Solve the equation 3x^2+2x-3=3.

rearrange the formula so that it is equal to zero by subtracting 3 from both sides of the equation.3x 2 +2x-6=02) To check if this formula can be factorised you can check if the value of b 2 -4ac for this fo...
JB
Answered by Jolie B. • Maths tutor
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