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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 no...

IG
Answered by Itohan G. Economics tutor
4894 Views

how do you differentiate tan(x)

The differential of tan(x) is sec2(x), however knowing how dy/dx tan(x)=sec2(x) is very useful in differentiating other trigonometric functions. So, if we first employ the rule that ...

OS
Answered by Olukorede S. Maths tutor
13763 Views

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 buil...

LH
Answered by Louis H. Accounting tutor
4173 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^...

GL
Answered by George L. Maths tutor
3641 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 ...

JB
Answered by Jordan B. Maths tutor
14059 Views

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