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How would one change 'ich habe' to be in the past tense?

Ich habe = I have We need to arrive at 'Ich habe gehabt' through Auxiliary + Past Participle The two most common and irregular verbs which need to be memorised are 'haben' and 'sein' HABEN: Ich habe - Du has...
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Answered by Anna A. • German tutor
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Find the 4th roots 6

Express 6 in the exponential form of (6*exp(2πin)), where n is an integertake the fourth root of this, remembering that taking the fourth root is taking to the power of 1/4, and by rules of indices the expre...
NP
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((x^2+4x)/2x)-((x^2-4x)/x)

6-(x/2)
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Answered by Ieuan L. • Maths tutor
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Evaluate the role of buffer stock systems

A buffer stock system is typically used in a market for a commodity, such as wheat, which may be vulnerable to large changes in supply. This could be due to weather for example, and it is not uncommon for co...
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Answered by Tom P. • Economics tutor
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State and explain the evidence for the delocalisation of electrons in benzene (6 marks)

Benzene does not decolourise bromine water, showing it does not undergo electrophilic addition reactions as the delocalised pi structure is very stable. All of the carbon-carbon bond lengths are the same; th...
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Answered by Romi A. • Chemistry tutor
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