Search our library of homework questions

Top answers

All subjects

All levels

Calculate the volume obtained when rotating the curve y=x^2 360 degrees around the x axis for 0<x<2

I haven't yet figured out how to write in proper mathematical notation on here, and my drawing pad is yet to arrive, so please forgive the formatFirst, the formula for the volume of revolution is V= pi *...

Answered by • Maths tutor

2612 Views

When do I need to write 1 "s" or two "ss" in a word?

Still now, the way I figure this out is still the same as when I was 6 years old and my teacher gave me this method. S is a very Sensitive letter and Vowels are very naughty. When they surround an S, the ...

Answered by Nadia C. • French tutor

1296 Views

How do I know when to put and accent or not when I am writing ''ou" or "où" ?

In French like in English and other languages, there are many words that sound the same but have very different meanings. In order to make sure that there is a distinction when they are written, the Frenc...

Answered by Nadia C. • French tutor

2248 Views

Renee buys 5 kg of sweets to sell. She pays £10 for the sweets. Renee puts all the sweets into bags. She puts 250 g of sweets into each bag. She sells each bag of sweets for 65p. Renee sells all the bags of sweets. Work out her percentage profit.

5kg bag of sweets split into bags of 250g. Convert 5kg to grams which equals 5000By dividing the weight of each bag you can figure out how many bags she can make are 20 bags as 5000/250 = 20. She sells ea...

Answered by Connor M. • Maths tutor

7717 Views

How can you calculate the Price and Quantity at a market equilibrium given the Demand curve P = 20 - Q and the Supply curve P = 3Q

To find the equilibrium point in a market you must make the supply and demand curve equal to one another. This means setting 20 - Q equal to 3Q and solving the simultaneous equations:20 - Q = 3Q20 = 4QQ =...

Answered by Harry H. • Economics tutor

2018 Views