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factorise x^2 - x - 6

Answered in interview
KC
Answered by Kushal C. • Maths tutor
3221 Views

How do I get full marks for this question "Describe how a vaccination leads to antibody production" ?

Mark 1: What is a vaccine? A vaccine contains antigens from an inactive form of a specific pathogen. Mark 2: Which cells are first to respond to the antigen? Antigen presenting cells such as macrophages pres...
CT
Answered by Chloe T. • Biology tutor
3169 Views

Suggest three reasons why international financial aid is not always effective.

(a) some aid results in debt (ths occurs with tied aid); (b)aid targets specific groups withina population who are not always the poorest; (c) can be subject to corruption and so may not be spent on the peop...
EA
Answered by Ezgi A. • Geography tutor
1872 Views

The length of a plank of wood is 80cm to the nearest 1cm. What is the largest and smallest possible value for the actual length of the plank?

Bounds can be used when a value has been approximated. e.g. The length of a plank of wood is 80cm to the nearest 1cmThe lower bound is the smallest value that would round up to the estimated value. In this e...
LT
Answered by Lydia T. • Maths tutor
6881 Views

How should I structure a comparative essay?

One of the most important things to remember when writing a comparative essay seems very obvious but it is that you must Compare the texts very closely. The examiner is most interested in seeing your ability...
CB
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