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What are some simple but effective phrases using the subjunctive?

The subjunctive as a mood, not a tense, is often instigated or prompted with the usage of preposition 'que'. Some common and simple phrases include:- Que yo sepa- Es posible que- Para que- Espero que

Answered by Anneli A. • Spanish tutor

3169 Views

What is a reflex arc and how does it work?

A reflex is an unconcious response to a potentially harmful stimulus, such as pulling a tray out of the oven without oven gloves on!

Reflexes bypass the brain an...

Answered by Polly C. • Biology tutor

7656 Views

Find the exact gradient of the curve y=ln(1-cos2x) at the point with x-coordinate π/6

This is a past paper question for an A level OCR MEI paper for Maths.We need to find the gradient of the curve so we know right away that we need to use differentiation.The equation y = ln(1-cos2x) is dif...

Answered by Catherine H. • Maths tutor

13851 Views

How can I derive an equation to find the sum of an arithmetic sequence?

This isn't a requirement of many courses but understanding and proving mathematics has order is what makes mathematics unique and enjoyable to many.
Imagine the sum of a seque...

Answered by Rhys H. • Maths tutor

4511 Views

The speed of water moving through a turbine is 2.5 m/s. Show that the mass of water passing through an area of 500 metres squared in one second is about 1 x 10^6 kg (density of sea water = 1030 kg/m^3)

This is a past exam question from an A level paper for OCR Physics B.We know that in one second, a volume of water (V), travelling at 2.5 m/s is passing through an area of 500 metres squared in one second...

Answered by Catherine H. • Physics tutor

5461 Views