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List five (5) risk factors for coronary heart disease, and briefly outline a piece of evidence for each one (5)?

(Chapter: further human physiology)
Factor + explanation (1 point for each) for coronary heart disease (CHD):-Genetics: CHD tends to run in some families-Age: CHD is a disease of old age-Gender: men...

Answered by Dimitrios K. • Biology tutor

2053 Views

The value of a car depreciates by 35% each year. At the end of 2007 it was £5460. Work out the value of the car at the end of 2006.

-This question wants us to work backwards.Let N be the value of the car in the year 2006. Find the multiplier . 1-0.35 = 0.65. Hence N * (0.65) = £5460. Rearrange for N. N = £8400

Answered by Rithvik G. • Maths tutor

11195 Views

The second and fifth terms of a geometric series are 750 and -6 respectively. Find: (1) the common ratio; (2) the first term of the series; (3) the sum to infinity of the series

x_n = ar^(n-1)(1) x₂= 750 = ar¹(2) x₅= -6 = ar⁴divide second equation by first-6/750 = r³r³= -0.008r= -0.2Insert in...

Answered by Henry P. • Maths tutor

6531 Views

What is transcription?

Protein synthesis is the production of new proteins. This happens in two stages, transcription and translation
Transcription - forming mRNA from DNA
1) The DNA section to be co...

Answered by Rebecca H. • Biology tutor

13064 Views

When does a past participle agree with its preceding object in French?

The straightforward answer is when the normal order is swapped, and the object comes before the past participle. This means that you would say "J'ai écrit une lettre", ...

Answered by Daire T. • French tutor

1930 Views