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maks197457 [2]
3 years ago
9

Ana Completed 40% of her homework assignment How to Assignments contain 30 math problems how many problems does Anna still need

to complete
Mathematics
1 answer:
yulyashka [42]3 years ago
4 0

Answer:

18

Step-by-step explanation:

30*0.4=12

This means 40% of 30 is 12 and Ana has completed 12 problems.

30-12 = 18, so she still needs to do 18 problems.

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If (fx)=5x, what is f^-1(x)
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Answer:

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Step-by-step explanation:

To get the inverse function you need to leave the x alone and then switch variables ( f(x) = y)

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Now that x is alone you switch the x for y and the y for x and you get:

x/5 = y

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Step-by-step explanation:

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