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d/dx[sin(x) + cos(x)]

cos(x) - sin(x)

3424 Views

Describe the process of the light-independent reaction.

Carbon dioxide diffuses into the cell leaf through the stomata, and diffuses into the water surrounding the mesophyll cell walls (main site of photosynthesis-packed with many chloroplasts). From here, the...

Answered by Davinia I. • Biology tutor

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What is the sum of the first 100 numbers of the following sequence- 4,12,36, 108, .........

This question is about geometric sequences. The first step in solving this question is identifying that each term is multiplied by 3 to get to the next term.Therefore since the formula for finding the sum...

Answered by Harry G. • Maths tutor

3038 Views

solve the simultaneous equation 2y + x = 8 and 1 + y = 2x

The aim of the question is to work out the values for x and y in order to make both equation correct. Therefore the best approach is to try to isolate one of the letters first. step 1. rearrange both equa...

Answered by Dina E. • Maths tutor

4400 Views

Evaluate Portman’s use of harmony in ‘Six Years Later’ in The Duchess with particular reference to the changing circumstances of the heroin. Relate your discussion to other relevant works. These may include set works, wider listening or other.

Given that the music is supposed to set the scene of a classical period, it is unsurprising that Portman uses an oom-cha-cha bass accompaniment in ‘Six Years Later’, a typical characteristic of the waltz ...

Answered by David S. • Music tutor

3408 Views