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For a cuboid, the longest side is two units more than the shortest side, and the middle length side is one unit longer than the shortest side. The total surface area of the cuboid is 52 units². (a) Construct an equation to calculate the surface area.

First label all the sides with letters:longest side = amiddle length side = bshortest side = cNow convert the question into equation form: "the longest side is two units more than the shortest side&quot...
EH
Answered by Eden H. • Maths tutor
9576 Views

What is the natural logarithm?

The standard rule for integration is: integrate kx^n dx = kx^(n+1)/(n+1). However, if we try and integrate 1/x in this manner we get, x^0/0, i.e. 1/0, which is infinity. However, if we look at a graph of 1/x...
EH
Answered by Eden H. • Maths tutor
5196 Views

How do I incorporate other critics ideas into my A Level essay?

When writing an English literature essay, your interpretation and analysis is the most important part. However, using other critics work helps you to develop your own argument, by showing you have considered...
RP
10464 Views

Dipen and Nisha are planning a wedding reception. Nisha says, “I want to invite 70 guests.” Dipen says, “If we invite one-fifth fewer guests, we will save more than £500” Is Dipen correct?

Prices are: £40 per guest. Total cost reduced by 5% with over 60 guests. First, we work out the cost of Nisha's suggestion. £40 x 70 guests = 2800 To find 5% of this, we can divide by 10 to get 10% (280), an...
LM
Answered by Lily M. • Maths tutor
7779 Views

Is price capping an effective way to deal with monopolistic power?

Price capping involves limiting the amount that a firm can charge for a particular good or service. In order to address this question, you should weigh up the costs and benefits of price capping and their ef...
JC
Answered by James C. • Economics tutor
29430 Views