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Solve 2x+1=11

When faced with a question like this, the aim is to work out the value of "x". What this question basically means is "what number can we multiply by 2 and add 1 onto it to get 11. There a f...

Answered by Molly I. Maths tutor
5940 Views

Who was to blame for the outbreak of the Cold War?

The origins of the Cold War have been a major source of historiographical debate amongst scholars. Broadly, there are four schools of thought that are important to know of. The first is the Pro-So...

Answered by Tim D. History tutor
6174 Views

How do I know when to integrate using by parts or by substitution?

When integrating a function which can be defined as a combination of two functions, it can be difficult to tell whether or not to use by parts. We can spot when to use by parts if we look at the composite...

Answered by Eesa K. Maths tutor
2684 Views

When do you use the subjunctive?

The subjunctive is most commonly used in expressions of doubt ("dudo que + subj", "no creo que + subj") and the negative and formal imperative ("no hagas eso!", "por fav...

Answered by Raúl C. Spanish tutor
1838 Views

Adam buys 4kg of sweets and pays £10 for them. Adam puts all of the sweers into bags with 250g in each bag. He sells the bags for 70p each. All the bags of sweets are sold, what is the percentage profit?

First you would figure out how many bags of sweets Adam made, this would be done by converting 4kg into grams (x1000) so 4 x 1000 = 4000g. Then you would divide the 4000g by 250g to see that 16 bags of sw...

Answered by Anton S. Maths tutor
3064 Views

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