A jewelry store marks up the price of its jewelry up 50%. What will be the selling price of an item that the store purchased for
1 answer:
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The practical rule would be, times that number, by the result of the first time you multiplied the first number. But, it would all depend by how much your're raising the number by.
<u>For example:</u>
We do,
But, once again, this was an example. This would show and illustrate the rule of "raising a power".<span />
<u>For example:</u>
We do,
But, once again, this was an example. This would show and illustrate the rule of "raising a power".<span />
Make a substitution:
Then the system becomes
Simplifying the equations gives
which is to say,
Substituting this into the new system gives
Then
(meaning two solutions are (7, 13) and (-7, -13))