jamarcuswilliam2515
02.03.2022 •
Mathematics
you are given the percent of salmon that pass through a single dam unharmed.by what percent does the number of salmon decrease when passing through a single dam
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Ответ:
9514 1404 393
x = 4
Step-by-step explanation:
I like to put these in the form f(x) = 0. We can do that by subtracting the right side. Common factors can be cancelled from numerator and denominator, provided they are not zero.
_____
If you leave the numerator as (x-3)(4-x), then there are two values of x that make it zero. Because x=3 makes the equation "undefined", it cannot be considered to be a solution.