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‘Transnational corporations only have a positive impact when extracting resources from host countries’. To what extent do you agree with this view?

Introduction: Transnational corporations (TNCs) are organisations which operate in multiple countries through foreign direct investment, offshoring of resources and/or outsourcing of labour. In terms of the ...
LF
Answered by Luke F. • Geography tutor
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Integrate x * sin(x) with respect to x by using integration by parts

The general formula for integration by parts to integrate something of the form u * v' is: u * v - (integral)[ (u' * v) dx ] . Thus we first need to write x * sin(x) in the form u * v' . Lets pick u = x and ...
JW
Answered by Jamie W. • Maths tutor
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Can you explain the main events that happen during an action potential?

What is an action potential? When a stimulus of sufficient size is detected, it causes a temporary reversal of charges either side of the axon membrane. It also causes the channels in the axon membrane to ch...
DN
Answered by Dominique N. • Biology tutor
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write 2(sin^2(x)- cos^2(x)) + 6 sin(x) cos(x) in terms of cos(2x) and sin(2x)

We use the following double angle formulae cos(2x) = cos^2(x) - sin^2 (x) and sin(2x) = 2sin(x)cos(x) to see that 2(sin^2(x)- cos^2(x)) + 6 sin(x) cos(x) = -2-(sin^2(x)+ cos^2(x)) + 3*2 sin(x) cos(x) = -2cos...
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Answered by Nicola R. • Maths tutor
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How does Tennessee Williams present gender roles in A Streetcar Named Desire?

Sexually volatile, ‘gaudy’ masculinity pervades A Streetcar Named Desire , destroying Blanche and her ‘moth’-like femininity, from beginning to end. When Stella is struck by Stanley, Mitch says: ‘poker shoul...
EW
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