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The width of a Rectangle is 4cm shorter than its length. the rectangle has an area of 32cm2. Calculate its perimeter?

x (x-4) = 32X^2-4x-32 = 0(x-8)(x+4) = 0 x=8perimeter =8+4+4+8 = 24cm.
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Answered by Daniel H. • Maths tutor
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On the reaction profile below, label the activation energy and the energy given out ((delta)H) - 2 marks

1 mark for each correct label
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Answered by Mike S. • Chemistry tutor
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Parse sonant

The first step of parsing is to work out from which verb the word comes. For sonant, this is sono, sonare, sonui, sonitum, a first conjugation verb meaning I make a noise/sound.The -nt ending indicates that ...
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Answered by Isabelle B. • Latin tutor
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Simplify 24ab^2 / 6b

To begin this question, it is first necessary to separate the different parts: the numbers, the as and the bs.The number division is simple. 24/6 = 46b has no values of a. Therefore, the a remains untouched....
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Answered by Isabelle B. • Maths tutor
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Describe how a neurone communicates its information with an adjacent neurone through the synapse

When two neurones meet we have a something that acts like a bridge to connect the two neurones together and this is called a synapse. When an impulse is traveling through one neurone and wants to continue al...
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Answered by Leila T. • Biology tutor
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