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The beach in figure 1, in the future, is likely to extend in a eastward direction extending off of the headland. I know this because the prevailing wind direction is in a south westerly direction ...
2x + y = 3 therefore y = 3 - 2x
Substitute y = 3 - 2x in to the first equation:
3x + 2(3 - 2x) = 4
3x + 6 - 4x = 4
-x = -2 therefore x = 2
Substitute x = 2 in to ei...
Key facts to be noted by student:
Molar mass of ethanoic acid = 60 g/mol.
pKa = -log(Ka)
pH =-log([H+])
Concentration of acid solution = 3/60 =...
Helicase unwinds the DNA double helix strucutre
This is done by breaking the hydrogen bonds
Only one strand is then used as ...
To complete the square for the equation ax² + bx + c = 0 there are three steps.. 1. In order to complete the square, we need to take the first two parts of the quadtratic equation, and put them in the for...
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