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How do I know which verb ending to use?

Verbs in Russian change endings or 'decline' depending on who is speaking or being addressed. There are patterns which have to be learned for how to decline verbs, and although there are slight variations, t...
TD
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Emma wants to buy a radio, the full price is £80. In the shop, she is given a discount. A year later, she sells the radio for £78, giving her a profit of 30% of what she bought it for the year before. What discount did she receive? (4)

Finding what Emma paid for her radio £78 / 1.3 = £60 (M1) (A1) Finding what percentage of £80 that is £60 / £80 = 0.8 or 80% (M1) Recognising the discount is 20% ie. 1-0.8=0.2 (A1)
HR
Answered by Helena R. • Maths tutor
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In a class of 30, the ratio of boys to girls is 2 : 3 , how many girls are there?

If the ratio is 2 : 3 then in a class of 5 there would be 2 boys and 3 girls. So we can say that 2/5 of the class are boys and 3/5 of the class are girls. And we know that to calculate 3/5 of 30 we must firs...
RE
Answered by Rebecca E. • Maths tutor
49792 Views

What is the use of a web-server on the internet?

A webserver is a computer that has been set up to listen for incoming requests from a client, find appropriate data for that request and return a response to that client. This is similar to a 'chatbot' on Fa...
JP
Answered by Jack P. • Computing tutor
3079 Views

y = 2x + 5, Calculate x when y = 4

y = 2x + 5 y = 4, therefore 2x + 5 = 4 2x = 1 x = 1/2
JT
Answered by Jacob T. • Maths tutor
4017 Views