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lupitasgirl3326
18.09.2019 •
Mathematics
1.) is 81 a multiple of 3? explain how you know
2.) is 46 a multiple of 4? explain how you know
3.) is 55 a multiple of 7? explain how you know.
4.) is 72 a multiple of 9? explain how you know.
5.) is 45 a multiple of 6? explain how you know.
also, write the numbers for each explanation. don't forget to write ''yes'' or ''no''.
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Ответ:
2.no.fthe number formed by its last two digits is divisible by 4, the original number is as well.
3.no.take the last digit, double it, and subtract it from the rest of the number.
4.yes.Add the digits. If that sum is divisible by nine, then the original number is as well.
5.no . has to work with both
Multiple of 2 --> is even (ends with 0, 2, 4, 6 or 8)
Multiple of 3 --> digits add up to a multiple of 3.
Ответ:
not right now but later
Step-by-step explanation: