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oksian1 [2.3K]
3 years ago
13

1cm represents 5.4miles on a scale drawing, what distance does 17.1cm on the scale drawing represent in real life.

Mathematics
1 answer:
patriot [66]3 years ago
5 0

Answer:

0.00011

Step-by-step explanation:

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Find f^-1 (12) if x f(x)=3x-7
saveliy_v [14]

Answer:

The value of f^{-1}(12) is \frac{7}{-9} .

Step-by-step explanation:

The given equation is <em>x f(x) = 3x-7 .</em>

f(x)=3-\frac{7}{x}

The inverse of the function is found by adjusting the equation such that, expressing x in terms of f(x).

\frac{7}{x} = 3 - f(x)

x = \frac{7}{3-f(x)}

now, <em>x = f^{-1}(x) and f(x) be x.</em>

Thus, f^{-1}(x) = \frac{7}{3-x}

Now, inserting value of x as 12,

<em>f^{-1}(12) = \frac{7}{3-(12)}</em>

<em>f^{-1}(12) = \frac{7}{-9}</em>

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3 years ago
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natali 33 [55]
I got 285..
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3 years ago
Noah finds some nickels and pennies in his change purse. How many coins does he
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He has 100 + 120 = 220 coins in his purse.

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Help me with this iready question.
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Step-by-step explanation:

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Multiple: 4 * 2 = 8

Subtract: 8 - 6 = 2

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Add: 26 + 4 = 30.

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