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factorise 3A^b+ 12A^2 B^2 + 9 A^5 B^3

3A^2 B(A +4B + 3a^3 B^2)
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Answered by Samuel H. • Maths tutor
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Write 0.24242424... as a fraction in its lowest terms, show all your working

Let t= 0.2424242... 100T = 24.24242424.. 99T = 24 Fraction is therefore 24/99
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Answered by Samuel H. • Biology tutor
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Write 3/8 as a decimal

0.375
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Answered by Samuel H. • Maths tutor
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State two functions of membranes within cells

Membranes are largely used for the creation of optimum conditions. Membranes therefore keep the contents of organelles in isolation from the cytoplasm. Membranes may also be used to form transport vesicles f...
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Answered by Samuel H. • Biology tutor
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Describe and explain how substances dissolved in blood plasma, such as oxygen and glucose enter the tissue fluid from the capillaries.

Simple molecules are able to move through the capillaries down the concentration gradient. An example of this would be oxygen moving from oxygen rich blood into the surrounding muscle. Other molecules are ab...
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Answered by Samuel H. • Biology tutor
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