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igomit [66]
3 years ago
10

Simplify 9 log9 (7) is the answer 7

Mathematics
1 answer:
Aleks04 [339]3 years ago
3 0
log_ab=c\ \ \ \Leftrightarrow\ \ \ a^c=b\\\\log_97=x\ \ \ \Leftrightarrow\ \ \ 9^x=7\\\\9^x=7\ \ \ (and \ \ \ x=log_97)\ \ \ \Rightarrow\ \ \ 9^{\big{log_97}}=7
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Use a factor tree to find the GCF of 32 and 80.
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Answer:

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Step-by-step explanation:

factors of 32 = 1, 2, 4, 8, 16, 32

factors of 80 = 1, 2, 4, 5, 8, 10, 16, 20, 40, 80

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Or in other words: There are two airports where the flight can arrive and for each of them there are three possible routes. So, in total there are 2*3=6 possible routes.
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Simora [160]

Answer:

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Step-by-step explanation:

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