3 years ago

Find a ratio equivalent to the ratio 9/21

Mathematics

2 answers:

seraphim [82]3 years ago

8 0

Answer:

18/42 or

36/84

Step-by-step explanation:

alexandr1967 [171]3 years ago

4 0

Answer: 3 to 7

Step-by-step explanation: Trust me i got 100.

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pantera1 [17]

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3 years ago

What is the inverse of f(x) = -5x-4

elena55 [62]

Answer:

$\displaystyle f^{-1}(x) = -\frac{1}{5}x - \frac{4}{5}$ .

Step-by-step explanation:

The question has provided an expression for the function $f(x)$ and is asking for its inverse, $f^{-1}(x)$ .

Based on the definition of inverse functions,

$f(f^{-1}(x)) = x$ .

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$\displaystyle f^{-1}(x) = -\frac{x}{5} -\frac{4}{5}$ .

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