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81: 8 + 1 = 9 which is divisible by 9, so 81 is divisible by 9

162: 1 + 6 + 2 = 9 which is divisible by 9, so 162 is divisible by 9

199: 1 + 9 + 9 = 19 → 1 + 9 = 10 → 1 + 0 = 1 which is not divisible by 9, so 199 is not divisible by 9.

1125: 1 + 1 + 2 + 5 = 9 which is divisible by 9, so 1125 is divisible by 9.

So 199 is the only one not divisible by 9.

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โˆ™ 2013-01-18 17:36:47
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A polynomial of degree zero is a constant term

The grouping method of factoring can still be used when only some of the terms share a common factor A True B False

The sum or difference of p and q is the of the x-term in the trinomial

A number a power of a variable or a product of the two is a monomial while a polynomial is the of monomials

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Q: What numbers is not divisible by 9 81 162 199 1125?
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