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just olya [345]
3 years ago
8

How many 3 digit numbers have exactly 2 digits that are the same

Mathematics
1 answer:
densk [106]3 years ago
7 0

Answer:

I believe 252

Step-by-step explanation:

Answer: 9+3×9×9 = 9+243 = 252 possible 3-digit numbers with at least

2 digits the same.


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A function assigns the value of each element of one set to the other specific element of another set. The zeroes of the functions are -2, 1, and 3.

<u></u>

<u></u>

  • <u>Function </u> : -

A function assigns the value of each element of one set to the other specific element of another set.

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The zeros of a function are defined as the values of the variable of the function such that the function equals 0. Graphically, the zeros of a function are the points on the x-axis where the graph cuts the x-axis. In other words, we can say that the zeros of a function are the x-intercepts of its graph.

Now, According t the question:

Given that, f(x) = (x - 1)(x + 2)(x − 3)

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Hence, the zeroes of the functions are -2, 1, and 3.

Learn more about  Zeroes of function:

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