My husband is a mathematical modeler and I would love to give him a model to announce to him that we're pregnant! He is a pharmacometrician and a neurologist and often uses R, PKPD, and Markov models, but also works avidly with other mathematics (though I wouldn't be able to tell you what). Is it possible to have some type of model/equation to equal pregnant/biological chemistry of being pregnant? My knowledge on these subjects are minute so any help would be greatly appreciated!
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1Congratulations :) :) I do not know about this. Hope some one helps you :) – Sep 14 '17 at 21:39
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6$1+1=3?{}{}{}{}$ – quasi Sep 14 '17 at 21:39
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Something that first came to mind for me was matrix encryption, not sure if that is what you're looking for or not. – WaveX Sep 14 '17 at 21:43
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Thank you @WaveX --> I'm not sure what a matrix encryption is (I'm in a completely opposite field) but, thank you for your support by comment! – Kate Sep 15 '17 at 22:03
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And thank you @cello for the congrats! :) He's on a business trip, so it will be a great welcome home surprise! – Kate Sep 15 '17 at 22:05
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Congratulations on (re)discovering a three element group with two generators. You could tell him that's what the two of you have done. – Ethan Bolker Sep 16 '17 at 01:21
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@quasi Or $,1+1 \ge 3,$ as the case may be ;-) P.S. To the OP, congrats! – dxiv Sep 16 '17 at 01:22
2 Answers
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Congratulations!
Here's a possible fun approach:
Ask him to convert the following to base $36$:
$\frac{222,931,132,460,168,112}{332,378,040,005,725}$
The answer, in decimal form, is:
$670\frac{237,845,656,332,362}{332,378,040,005,725}$
Converted to base $36$, where $a=10$, $b=11$, and so on up to $z=35$, that works out to:
$im.pregnant\overline{impregnant}_{36}$
He should probably use Wolfram|Alpha, and make sure he clicks the "More digits" button, until it sinks in.
Grey Matters
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That would be $\frac{3,688,558,795,838,123,575,815,168}{4,738,381,338,321,616,895}$ in base 36. ;) – Grey Matters Sep 14 '17 at 21:58
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2
A mother is $21$ years older than her son.
In six years' time the child will be $5$ times younger than her mother.
Question: Where is the father?
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Attention to the question: Where is the father?
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Attention to the question: Where is the father?
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Solution:
The boy is now ten years old.
The mother has today $Y$ years.
$\implies X + 21 = Y$
In $6$ years:
$5 (X + 6) = Y + 6$
So
$5X + 30 = X + 21 + 6$
$4X = -3$
$X = -\dfrac 34$
The boy is now $-\dfrac 34$ years, that is, $-9$ months.
So the father is ....
cgiovanardi
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