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4vir4ik [10]
3 years ago
7

What multiple of 9 is a factor of 9

Mathematics
2 answers:
Stella [2.4K]3 years ago
8 0

Answer:

( 1 ), ( 3 ), ( 9 )

Step-by-step explanation:

Every time you add one to a digit (which is the same as adding 10, 100, 1000, etc) you get a number that is one more than a multiple of 9, so you have to subtract one from the number, which brings the sum of the digits back to 9.

Sedaia [141]3 years ago
5 0

Answer:

9

Step-by-step explanation:

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