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y is inversely proportional to d^2. When d = 10, y = 4. d is directly proportional to x^2. When x = 2, d = 24. Find a formula for y in terms of x. Give your answer in its simplest form.

Inversely proportional means proportional to one over, so the first bit tells us y = a/d^2, where a is number we don't know yet that connects y and d. To find it we need some example values of y and d, which...
KA
Answered by Katie A. • Maths tutor
21992 Views

Describe what the Covered Interest Parity (CIP) and Uncovered Interest Parity (UIP) conditions are and highlight their differences.

These are two arbitrage relations expected to hold in an international setting where capital can flow freely between different countries. In particular, the two conditions arise when investors can choose fre...
RE
Answered by Rowan E. • Economics tutor
11525 Views

Explain how one risk factor can lead to the development of coronary heart disease (CHD)

The following risk factors are associated with CHD: smoking, blood pressure, diet, exercise, genetic influences . Smoking systemically affects the whole cardiovascular system, some unfavourable effects inclu...
AA
3409 Views

Factorise 3a^2 - 9a

To factorise you need to identify 'factors', which are common features, between the different terms in an equation. In 3a^2 - 9a, the first term is 3a^2 and the second term is -9a. One common feature between...
HG
Answered by Hannah G. • Maths tutor
6009 Views

Evaluate the evidence for social learning theory as an explanation for aggressive behaviour.

Social learning theory suggests that we learn by observing and copying the behaviour of "role models" - these may be people who are of the same gender, similar age, or have other desirable characte...
AM
Answered by Alicja M. • Psychology tutor
7552 Views