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What are Economies of Scale?

Economies of scale are essentially the cost advantages that a firm can gain by expanding its output. Economies of scale reduce the long run average cost per unit when output expands. It is important to note ...
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Answered by Itohan G. • Economics tutor
5630 Views

how do you differentiate tan(x)

The differential of tan(x) is sec 2 (x), however knowing how dy/dx tan(x)=sec 2 (x) is very useful in differentiating other trigonometric functions. So, if we first employ the rule that tan(x)=sin(x)/cos(x),...
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Answered by Olukorede S. • Maths tutor
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What is depreciation? Why is its calculation necessary? Give an example of straight line depreciation.

Depreciation is a periodic year end accounting adjustment (not an actual cash change), which represents the physical wearing out of Non-Current Assets ( NCAs) such as vehicles and buildings. If firms did not...
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Answered by Louis H. • Accounting tutor
4687 Views

Solve the simultaneous equation: y+4x+1=0 y^2+5x^2+2x=0

Rearrange the first equation to get y on its own: y=-(1+4x) Substitute into the second equation: (1+4x)(1+4x)+5x^2+2x=0 21x^2+10x+1=0 Substite into the quadratic formula to solve (-b+/-(b^2-4ac)^0.5)/2a
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Answered by George L. • Maths tutor
4266 Views

a) Simplify 2ln(2x+1) - 10 = 0 b) Simplify 3^(x)*e^(4x) = e^(7)

a) To answer this question, one must be familiar with laws of logs, more sprecifically the rules when applied to the natural log of x, and exponentials (e). 2ln(2x+1) - 10 = 0 Step 1) 2ln(2x+1) = 10 Step 2) ...
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Answered by Jordan B. • Maths tutor
14775 Views