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An acid is a proton donor. The acid molecule may have one or more protons that it can lose depending on its structure, however generally the second proton is much less acidic (meaning that it is lost much...

Using FOIL to expand the brackets we get

9 - 6root5 + 12root5 + 8*root5^2

Square rooting then squaring a number cancels out, so we are left with 8*5 or 40 for the last term.

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Step 1

Collect x terms on one side (here we subtract 3x from both sides to give 2x on the left, and 0x, on the right)

Step 2

Collect the non x terms ...

A baby can either be a boy or a girl, so there are only two possible outcomes. This means that the probability of the next baby being born a boy is 1 out of the 2 outcomes. This also can be written as 0.5...

Normative social influence- due to tthe wish to fit in to a group and be liked informative social influence- due to lack of understanding