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Solve simultaneous equations 3x+2y=9 5x-2y=7

Here we need to get rid of either the x or the y to find one solution to start us off. By adding these equations together we get: 3x+5x+2y-2y=9+7 The y's are eliminated to leave 8x=16. So x is 2! We can then...
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Answered by Jodie P. • Maths tutor
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How are Xerophytes adapted to dry environments?

Start by considering what Xerophytes are, they are plants that live in dry conditions. What are the problems with dry conditions? Well, the big problem is maintaining a constant amount of water in the body. ...
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Answered by Luke C. • Biology tutor
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What are the coordinates of the two turning points of the curve y = x^3+3x^2+3?

To find the turning points we need to find dy/dx and set it equal to zero. From there we can find the x coordinate and substitute it back into the origional equation to find the y coordinate. First we differ...
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Answered by Lauren D. • Maths tutor
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How does aspect work in Greek?

Aspect in Greek refers to whether the action is continuous or completed. For example, the aorist 'ἐλυσα' I loosened, suggests that I have loosened it once and the action has been completed. Compare this to t...
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What is a connecting relative?

A connecting relative is a relative which relates back to a noun or concept in the previous sentence or passage. A relative pronoun is used, qui, quae, quod, and is found at the beginning of the sentence. Ho...
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Answered by Kim N. • Latin tutor
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