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alimad
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Are the integers z and f to the right of 0 (zero) on the 18 Nov 2007, 19:07
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Are the integers z and f to the right of 0 (zero) on the number line?

(i) The product of z and f is positive
(ii) the sum of z and f is positive


Please provide details. Thanks



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Are the integers z and f to the right of 0 (zero) on the 18 Nov 2007, 19:28
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alimad
Are the integers z and f to the right of 0 (zero) on the number line?

(i) The product of z and f is positive
(ii) the sum of z and f is positive


Please provide details. Thanks
Show more


C. togather sufficient and z and f are right to 0.
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Are the integers z and f to the right of 0 (zero) on the 28 Feb 2008, 15:23
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Himalayan
alimad
Are the integers z and f to the right of 0 (zero) on the number line?

(i) The product of z and f is positive
(ii) the sum of z and f is positive


Please provide details. Thanks

C. togather sufficient and z and f are right to 0.
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stem: are both positive?

1. ZF > 0
++ or - -
cannot be zero

2. Z + F = positive
0+1
1+1
-1 + 100 = 99

together, must be the same sign and cannot be zero
if both are neg, statement 2 does not hold because a neg plus another neg becomes even more neg.



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This topic has been closed and archived due to inactivity or violation of community quality standards. No more replies are possible here.
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