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A ladder of length 3.5m rests against a vertical wall and makes an angle of 40* with the floor. How far up the wall does top of the ladder reach?

We can use trigonometry to answer this question using the following steps: Sketch the question out Label the right angled triangle correctly (using information in the question)Identify the correct equatio...

Answered by Helena W. Maths tutor
3323 Views

Why is the marginal cost curve shaped the way it is?

First of all let’s define Marginal Cost:-It is the cost to a firm to produce one additional unit of output e.g. the cost of Volkswagen to produce an extra carInitially due to the law of increasing margina...

Answered by Morgan H. Economics tutor
4922 Views

Outline two explanations/theories for forgetting.

Retrieval failure (due to absence of cues) encoding specificity principle (Tulving and Thomson)context-dependent forgetting; context at encoding and retrieval do not matchAbernethy - student study; famili...

Answered by Samira I. Psychology tutor
2139 Views

Solve 4(3x + 2) = 12 - 5x

Step 1: Times out the brackets 12x + 8 = 12 -5x
Step 2: Gather all 'x' values on one side and all non-'x' values on the other (12x + 5x = 12 - 8) -> 17x = 4
Step 3: Divide by the number next ...

Answered by Caitlin L. Maths tutor
3068 Views

Explain a benefit of international trade for UK consumers

International trade means that international firms can enter the UK market. This will increase supply, which in turn lowers prices and increases quantity available. This will lead to an increase in consum...

Answered by Caitlin L. Economics tutor
4000 Views

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