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Image a graph. In which instances is it more appropriate to use an adjacency list instead of an adjacency matrix?

There are two criteria that usually determine whether we use an adjacency list or an adjacency matrix?a. The size of the graph and the number of edges. If the graph has a very big number of nodes but has ...

Answered by Calin B. Computing tutor
1322 Views

The perimeter of a right-angled triangle is 72 cm. The lengths of its sides are in the ratio 3 : 4 : 5 Work out the area of the triangle.

3+4+5=12
72/12=6
36= 18 46=24 56=30
Area of a right-angled triangle= a
b/2
18240.5= 216

Answered by Saif K. Maths tutor
2417 Views

Explain how blood vessels reduce the amount of heat lost from the body. (3)

blood vessels narrow (vasoconstriction) reduces blood flow blood vessels are close to the surface of the skin less heat lost by radiation

Answered by Soham S. Biology tutor
2139 Views

How does temperature affect the rate of reaction?

For a reaction to occur particles reacting must have a neccessary activation energy (kinetic energy). As temperature gets higher, so does the kinetic energy of particles, which can be ilustrated with a Ma...

Answered by Chemistry tutor
1719 Views

Describe how you would differentiate a sample of butanal and butan-2-one.

You would add tollen's reagent to both samples. The butanal would form a silver mirror, whereas, butan-2-one would remain unchanged. This is due to the fact that an aldehyde can be oxidised to a carboxyli...

Answered by Chemistry tutor
12788 Views

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