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Consider the arithmetic sequence 2, 5, 8, 11, ... a) Find U101 b) Find the value of n so that Un = 152

Firstly, as with any question, make sure to check your formula book in order to find any relevant equations. In this case, the one most relevant to us is U n = U 1 + d(n-1). From here we will need to find th...
KW
Answered by Kirsty W. Maths tutor
12697 Views

Explain the effect succession has on biodiversity

Succession initiates in regions where there are very harsh conditions and so no organisms are able to survive (therefore little biodiveristy); -a pioneer species with good adaptaions are able to survive and ...
DM
Answered by Denya M. Biology tutor
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How can a government manipulate floating exchange rate?

A government can manipulate floating rate by controlling the interest rate. To increase the exchange rate, ie the value of the currency, the government can increase its interest rate, which attracts foreign ...
ML
Answered by Matthew L. Economics tutor
3370 Views

A curve has equation y^3+2xy+x^2-5=0. Find dy/dx.

To find the derivative of this, we must differentiate each term with respect to x. This implies d/dx(y^3+2xy+x^2-5=0). We can differentiate each term seperately so d/dx(y^3+2xy+x^2-5=0) is equal to d/dx(y^3)...
MC
Answered by Matthew C. Maths tutor
5576 Views

Describe and explain the process by which proteins are created from DNA

Firstly, the relevant DNA has to be unwrapped, because it is stored in a very tightly wrapped-up form to save space in the cell. The Hydrogen bonds between the two strands are broken, and the coding strand i...
CS
Answered by Charlie S. Biology tutor
3784 Views