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sdas [7]
3 years ago
13

Simplify: 2z^8+ 7z^8

Mathematics
1 answer:
Stels [109]3 years ago
8 0

Answer:

9z^8

Step-by-step explanation:

2z^8 + 7z^8

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D

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We can assume that the rim of the canyon is 0. Sarah started 3 miles <u>below</u>, so -3, BUT distance can never be negative, so it's considered 3 miles. Then, she went 8 miles <u>above</u> zero. So the 3 miles she went <em>before</em> reaching the rim plus the 8 miles she went <em>after</em> reaching the rim equals 11 miles.

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Answer:

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