Mathematics: In the box there are 34 black marbles, 17 red marbles, 53 blue marbles, and 13 white ones. what fraction of all marbles are not black?

In the box there are 34 black marbles, 17 red

Ответ:

mimas76

12.03.2022

Mathematics

The fraction is 34/117.

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Ответ:

leshayk91

10.06.2021

Mathematics

$f(x)=\frac{(x-1)(x+2)(x+4)}{(x+1)(x-2)(x-4)}$

The denominator of a fraction can't be equal to 0.
$(x+1)(x-2)(x-4) \not= 0 \\
x+1 \not=0 \ \land \ x-2 \not= 0 \ \land \ x-4 \not= 0 \\
x \not= -1 \ \land \ x \not = 2 \ \land \ x \not= 4$

The function is undefined at x=-1, x=2, x=4, because for these values the denominator of the function would equal 0, and it's impossible to divide by 0.

Edward is correct.

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In the box there are 34 black marbles, 17 red marbles, 53 blue marbles, and 13 white ones. what fraction of all marbles are not black?

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