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zmey [24]
4 years ago
11

Need help with 9 and 12(theirs a picture)

Mathematics
1 answer:
Doss [256]4 years ago
8 0

Number 6 is incorrect. Remember when you see -(-1) that is addition because you are subtracting a negative from a negative so you take the negative sign away and you have a positive. The correct answer to 6 is -75. For number 9 the first thing that you are gonna do is distribute that negative sign to the -12 in parentheses. This will make it a positive 12 which leaves you with

-8+12-31=-27

Next for number 12 you will distribute the - sign onto the -9 in parentheses and the -16 in parentheses. This will leave you with -16+9+16=9

Hope that this helped!

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Read 2 more answers
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3 years ago
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The function is a constant when x≥8. The value of the function is 9 no matter what x is.

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