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Answered 2010-10-14 21:13:11

9 is divisible by both 3 and 9

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Are all numbers divisible by 3 also by 9 give example?

All numbers divisible by 3 are NOT divisible by 9. As an example, 6, which is divisible by 3, is not divisible by 9. However, all numbers divisible by 9 are also divisible by 3 because 9 is divisible by 3.


Can 3 always be divisible by 9 but divisible by 6?

Multiples of 9 and 6 are also divisible by three, the reverse is not true. 15 is divisible by 3, but not 6 or 9. 27 is divisible by 3 and 9, but not 6. 12 is divisible by 3 and 6, but not 9. 54 is divisible by 3, 6 and 9.


What are the divisible of 3 and 9?

Three is divisible by 3 and 9.


What number is divisible by 9 but not divisible by 3?

None, because 9 is divisible by 3.


Is 48 divisible by 3 and 9?

3 yes, 9, no.


What is the converse of the sentence A number divisible by 9 is also divisible by 3?

If a number is not divisible by 3 then it is not divisible by 9.


Are all numbers that are divisible by 9 also divisible by 3 are all numbers that are divisible by 3 also divisible by 9 how do you know?

All numbers divisible by 9 are divisible by 3; since 9 = 3 x 3 all multiples of 9 are also multiples of 3. However, all numbers divisible by 3 are not divisible by 9, eg 6 = 2 x 3 but 6 is not divisible by 9 (since 6 is not a multiple of 9) - it only takes one counter example to disprove a theory.


Is 1110 divisible by 9?

NO. 1110 is not divisible by 9. A number is divisible by 9 if the sum of its digits is divisible by 9. 1110 = 1 + 1 + 1 + 0 = 3 (3 is not divisible by 9, thus, 1110 is not divisible by 9.)


Is 615 divisible by 3 or 9?

it's divisible by 3 = 205. but 615 is not divisible by 9


Is every number divisible by 3 and 9 is also divisible by 6 is this true?

No, 9 is divisible by 3 and 9, but not six 3 x 9 = 27, also not divisible by 6


Is 32643 divisible by both 3 and 9?

To check for divisibility by 9 sum the digits of the number and if this sum is divisible by 9 then so is the original number. For 32643: 3 + 2 + 6 + 4 + 3 = 18 which is divisible by 9 so 32643 is divisible by 9. As 9 = 3 × 3, any number divisible by 9 is also divisible by 3, thus as 32643 is divisible by 9 it is also divisible by 3. However, for completeness: to check for divisibility by 3 sum the digits of the number and if this sum is divisible by 3 then so is the original number. For 32643: 3 + 2 + 6 + 4 + 3 = 18 which is divisible by 3 so 32643 is divisible by 3.


Are all numbers that are divisible by 9 divisible by 3?

Yes; all numbers that are divisible by 9 are divisible by 3.


Is every number that is divisible by 9 divisible by 3?

Yes, every number that's divisible by 9 is divisible by 3


Is 234 divisible by 3 6 and 9?

Using the tests for divisibility:Divisible by 3:Add the digits and if the sum is divisible by 3, so is the original number: 2 + 3 + 4 = 9 which is divisible by 3, so 234 is divisible by 3Divisible by 6:Number is divisible by 2 and 3: Divisible by 2:If the number is even (last digit divisible by 2), then the whole number is divisible by 2. 234 is even so 234 is divisible by 2.Divisible by 3:Already shown above to be divisible by 3. 234 is divisible by both 2 & 3 so 234 is divisible by 6Divisible by 9:Add the digits and if the sum is divisible by 9, so is the original number: 2 + 3 + 4 = 9 which is divisible by 9, so 234 is divisible by 9Thus 234 is divisible by all 3, 6 & 9.


Why are all the numbers divisible by 9 divisible by 3?

Because 9 is divisible by 3, this is like the rule where if a number is divisible by 2 and 3 it is also divisible by 6.


What is the relationship between numbers divisible by 9 and 3?

Any that are divisible by 9 are also divisible by 3.


Can a number be divisible by 9 and 3?

Yes, any number divisible by 9 is also divisible by 3.


Is 90 divisible by 3 or 9?

==yes. 90 is divisible by 3 and 9==


9 is divisible by what number?

9 is divisible by 1, 3 and 9.


Is 216 divisible by 3?

yes. 2 + 1 + 6 = 9 9 is divisible by 3 so 216 is divisible by 3.


What is a number in between 500 and 1000 that is divisible of 3 and 9?

There are many numbers between 500 and 1000 divisible by 3 and 9. Any number divisible by 9 is divisible by 3. How about 900?


What is the number n where if the sum of the digits of the number is divisible by n the number itself is divisible by n?

3 and 9. 93 has a digit sum of 12, initially, which is divisible by 3, but not by 9. So 93 is divisible by 3, but not by 9. 99 has a digit sum of 18, initially, which is divisible by 3 and 9. So 99 is divisible by both 3 and 9.


Is 378 divisible by 3 or 9?

378 is divisible by both 3 and 9 with no remainders


Is 982 divisible by 3 explain?

No. To find whether the number is divisible by 3, you add each digits and if it's equal to 9 then it's divisible by 3 because 9 is divisible by 3. 9 + 8 + 2 = 19, 1 + 9 = 10... so it's not divisible by 3.


Is 4320 divisible by 2 3 5 9 or 10?

Last digit (0) is even, so it is divisible by 2 4 + 3 + 2 + 0 = 9 which is divisible by 3, so it is divisible by 3 last digit is 0 or 5, so it is divisible by 5 4 + 3 + 2 + 0 = 9 which is divisible by 9, so it is divisible by 9 last digit is 0, so it is divisible by 10 → 4320 is divisible by all the numbers 2, 3, 5, 9, 10