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White paint costs £2.80 per litre. Blue paint costs £3.50 per litre. White paint and blue paint are mixed in the ratio 3 : 2 Work out the cost of 18 litres of the mixture.

First it's importance to clarify what the question is asking: we're looking for the price of 18 litres of paint that is part white paint and part blue paint. One way to answer the question is to understand t...
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Answered by Babak S. • Maths tutor
23192 Views

Outline the ethical considerations that need to be undertaken when completing research

P-Protection from harm, emotional and physical C-Confidentiality, all participants' information is kept anonymous and not shared with third parties W-Withdraw, all participants maintain the right to withdraw...
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Answered by Molly B. • Psychology tutor
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How do erosional processes along the coastline work?

There are four different ways the coastline can be eroded: Firstly, HYDRAULIC ACTION is very simply the sheer power of the water eroding the cliff face and beach. Any weaknesses, such as cracks and crevices,...
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Answered by Lydia C. • Geography tutor
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A circle with equation x^2+y^2-2x+8y-40=0. Find the circle centre and the radius

2g=-2, -g=1. 2f=-8, -f=4. cc(-2,4). r=√(g^2+f^2-c)=√(4+16+40)=√80=4√5
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Answered by Liam M. • Maths tutor
4721 Views

How do you create the future tense of a russian verb?

This depends on whether your verb is imperfective or perfective. IMPERFECTIVE FUTURE For imperfective verbs, the future tense can be constructed, just like in English, by using the correct form of "быть...
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Answered by Bethany B. • Russian tutor
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