@JoséCarlosSantos (3) is up for deletion.

[ SmokeDetector | MS ] Bad keyword in answer (86): The relationship between sample and population skewness by Aman on math.SE

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[ SmokeDetector | MS ] Title has only one unique char (95): [..............................................................................]‌​(//math.stackexchange.com/questions/2358882) ✏️ by greedoid on math.SE

[ SmokeDetector | MS ] Bad keyword in answer, potentially problematic ns configuration in answer, username similar to website in answer (139): Optimum fitting for flanges in a rectangular plate by quality forge on math.SE

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Fixed link: math.stackexchange.com/questions/2358882/…

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duplicates 3033036: 4x4 Determinant and 1953843: What will be the value of the following determinant without expanding it? The distinction is transposing and also that one posts uses a,a+1,a+2,a+3 and the other one a,a-1,a-2,a-3. Otherwise the method used there are rather similar. Are they close enough to be considered duplicates?

@MartinSleziak I believe so.

I have cast the duplicate close vote - we'll see what others think about this option.

@MartinSleziak Well, I have a linear-algebra gold tag badge and so…

@MartinSleziak I agree that they are close enough to be considered dupes; I also have a LA gold badge, but it is good to have let folks weigh in. Well, I guess someone didn't wait, to consider, which should be a dupe of which.

@amWhy Where's the doubt? One of them was posted today, whereas to other one is more than two years old.

Dupes aren't always closed in the form of "newer a dupe of the older." Anyway, it's been handled. I'm not about to quibble.

Meta: Original post marked as duplicate and What to do with a newer post and a related, older, less thorough post?

@amWhy To me it seems that there is not much difference between those two questions regarding the input from the OP (a.k.a. context). Of course, if something different would be a better choice, it would probably be relatively easy for the people with dupehammers to change direction.

@MartinSleziak I agree.