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Explain what is meant by the term "perfect competition"

Perfect competiton in a market is defined as being a set of conditions where markets have little to no entry or exit barriers. These may be natural or synthetic. An example of a natural barrier to entry i...

LE
Answered by Lucas E. • Economics tutor
2209 Views

How does the body's response to a second infection by a bacterial pathogen differ from the first? (3 marks)

Explain the role of inorganic ions in the body.

The resting membrane potential of cells is maintained by the actions of Na+ and K+. A resting cell is impermeable to Na+ so the concentration of Na+ is greater outside the cell than in it. However the cel...

CD
Answered by Callum D. • Biology tutor
7437 Views

Find the stationary point of 3x^2+7x

dy/dx=6x+7

6x+7=0

x=-7/6

Sub back into original equation; y=98/6

HS
2577 Views

Solve the simultaneous equations; 3x+2y=11 and 2x-2y=14

2y=11-3x    and 2y=2x-14

11-3x=2x-14

25=5x   thus x=5

3(5) +2y=11

2y=-4    thus y=-2

HS
Answered by Harrie S. • Maths tutor
7139 Views

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