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The sphere has radius 6 cm. The solid cylinder has a base radius of 3cm and a height of h cm. The total surface area of the cylinder is twice the total surface area of the sphere. Work out the ratio of th...
Across a membrane, there is a voltage at rest and this is known as the resting potential. This is deermined by the membrane permeability to different ions ie which ion channels are open at rest, and also ...
The verbs ser and estar both translate as 'to be'. Its important to learn the differences between them. Ser is used to talk about permanent attributes. A...
Key points:Define proportional voting system: A voting system whereby representatives are elected in proportion to the share of votes they received.Examples: Single Transferable Vote, Alternative Vote, Mi...
completing the square (x+5)2 -25 -3 =0 (x+5)2 -28 = 0 (x+5)2 = 28 x= ±2√7 -5
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