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Expand and simplify (x + 5)(x – 1)

These two brackets multiply out to form what is called a quadratic. We expand these two brackets using the "FOIL" method - this stands for First, Outside, Inside and Last. Therefore, the first t...

SM
Answered by Shrishti M. Maths tutor
34426 Views

What are competitive and non-competitve inhibitors?

Inhibitors INHIBIT the ACTIVITY OF ENZYMES. This means fewer enzymes are able to break up substrate, and so whatever reaction is taking place, slows down. Inhibitors can be found for example, in poison or...

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Answered by Anna H. Biology tutor
5394 Views

Outline the behavioural explanation of phobias

The behavioural approach to phobias argues that maladaptive learning results in a conditioned fear of a stimulus. Classical conditioning refers to learning through association, thereby in the case of Litt...

MB
Answered by Molly B. Psychology tutor
23797 Views

Simplify and solve for x. log(x+1)+log 5=2. Note, log is the natural log in this case

so lets deal with 2 first. We can express 2 in terms of log5 by the laws of logs. nlogx=logx^n. re-writing 2 as 2log5=log25 we now have log(x+1)+log5=log25. lets apply a different log law: log(a)-log(b)=l...

LM
Answered by Liam M. Maths tutor
7039 Views

White paint costs £2.80 per litre. Blue paint costs £3.50 per litre. White paint and blue paint are mixed in the ratio 3 : 2 Work out the cost of 18 litres of the mixture.

First it's importance to clarify what the question is asking: we're looking for the price of 18 litres of paint that is part white paint and part blue paint. One way to answer the question is to understan...

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Answered by Babak S. Maths tutor
22497 Views

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