Pre-Algebra
18 Online
OpenStudy (anonymous):
Which number is not divisible by 9?
-117
-252
-133
-351
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OpenStudy (anonymous):
Why don't you try it first? It's really simple
OpenStudy (anonymous):
I agree to leogrrl01. Look at the question... it asks which cannot be divided by 9 so why don't you test each?
OpenStudy (anonymous):
All you have to do is divide each number by 9.
OpenStudy (anonymous):
Yep lyynnnn
OpenStudy (anonymous):
-133
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OpenStudy (anonymous):
If I divide each by 9, how do I
know witch one is correct?
OpenStudy (anonymous):
It won't go into it evenly. You'll get a decimal as your answer.
OpenStudy (anonymous):
If it's a whole number then it's divisible
OpenStudy (anonymous):
its has to divide evenly, no decimals
OpenStudy (anonymous):
If it's a decimal it's not divisible
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OpenStudy (anonymous):
Ohhhhhh so 252?
OpenStudy (anonymous):
Nope.
OpenStudy (anonymous):
no i told you the answer already
OpenStudy (anonymous):
252 divided by 9 equals 28. It's a whole number so it's divisible.
OpenStudy (anonymous):
Its' called guess and check. Do all of the choices and find which one is correct
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OpenStudy (anonymous):
Ahhh NOT divisible, so its 133. Thanks!
OpenStudy (anonymous):
Yup, good job. :)
OpenStudy (anonymous):
Yes!! :)