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vovikov84 [41]
3 years ago
8

Kyra observed that 85% of the students at a library liked reading mystery stories. If 30 students at the library did not like re

ading mystery stories, the number of students at the library who liked mystery stories was _____. (only put numeric values, no other symbols).
Mathematics
1 answer:
Yanka [14]3 years ago
5 0

Answer:

170

Step-by-step explanation:

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Use the table below to fill in missing values.
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Step-by-step explanation:

We can observe from the table that the value of independent variable and then the values of function on that variable are given.

So,

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As the value of function at x=5 is 6

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The value of function is 4 only on x=7 so the answer is x = 7

When the inverse is taken, the inputs become output and the outputs become inputs

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The value of inverse will be 5 because in original function 5 is input and 6 is output when this will be reversed for inverse, the output will be 5 for 6

Now,

Lastly

if\ f^{-1}(x) = 7,\ then \x = 4

The reverse rule of input and output will be used. The reverse function will generate 7 at input 4.

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Step-by-step explanation:

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