Aubreigh29
09.10.2019 •
Mathematics
You are feeling kind of crazy, so you are going to have the owner of the pet store randomly pick a fish for your aquarium at home.
a. a tank at the pet store contains 9 spotted guppies, 14 red barbs, 10 red tetras, and 7 golden platys. what is the probability (expressed as a percent) of getting a red-colored fish from this tank?
b. in a different tank that contains only golden platys, the probability of getting a female fish is 30%. if there are 18 female fish in the tank, how many total fish are in the tank?
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Ответ:
B. there are 60 fish in the tank total
Ответ:
the answer is b) in mathematics, an inverse function is a function that "reverses" another function: if the function f applied to an input x gives a result of y, then applying its inverse function g to y gives the result x, and vice versa, i.e., f(x) = y if and only if g = x.