Sunday

December 21, 2014

December 21, 2014

Posted by **barbara** on Saturday, June 6, 2009 at 11:51am.

If a number is divisible by 3, then the sum of the digits of that number is divisible by 3.

The sum of the digits of a number is not divisible by 3. Therefore the number is not divisible by 3.

- teaching math -
**bobpursley**, Saturday, June 6, 2009 at 12:03pmsee other post.

**Answer this Question**

**Related Questions**

college math - Indicate whether the deductive reasoning used is an example of ...

teaching math - Indicate whether the deductive reasoning used is an example of ...

math - Indicate whether the deductive reasoning used is an example of affirming ...

Math - I need to know if the deductive reasoning that is used in this example is...

Hypothesis - 7) If a number is divisible by 3, then the sum of the digits of ...

math - Please check my answers: How are the symbols 3/4, 0.75, and 75% related...

MATH - Please check my answers: How are the symbols 3/4, 0.75, and 75% related? ...

MATH - Please check my answers: How are the symbols 3/4, 0.75, and 75% related? ...

MATH - Please check my answers: How are the symbols 3/4, 0.75, and 75% related? ...

Math - Could you please help me with this question? I am not sure how to answer ...