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/sci/ - Science & Math

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>> No.9793364 [View]

[math] \displaystyle \sum_{k=0}^{ \infty} \frac{1}{k!}= \lim_{n \rightarrow \infty} \sum_{k=0}^{n} \frac{1}{k!}[/math]

>> No.9774809 [View]

64° (anticlockwise from due East) is what I get, too. I drew a diagram to confirm it's correct.
There is no way it is anywhere near 185°

Bear in mind compass readings are clockwise from due North, so the compass heading is 26°

>> No.9769754 [View]

>>9762542
>a tinfoil hat
foil is aluminum now, Grandpa

>> No.9769657 [View]

>>9768676
>What did Axler mean
He meant that he cannot distinguish between a polynomial and a function.

>> No.9769650 [View]

>>9768824
>a literal baby can do
...but an actual baby cannot.
The number-line diagram is wrong, for leaving out
the subraction of a ten before subtracting the six ones.

>> No.9766268 [View]

>>9765909
>>9765910
>HAHAHAHAAHAHAAHAAHAHAAH
Mom let the hyaena use her computer again.

>> No.9766266 [View]

>2018
>not knowing the difference between summation and integration
You have some catching up to do.

>> No.9766261 [View]

>>9766102
>Do you define
No, I'm not in the business of defining; and
neither is any other /b/onerd. Ask an English
Professor if it's a definition you're wanting.

>> No.9766256 [View]

If you do not have a sustained interest in
your subject, then you have made a mistake.
Re-examine your interests, and begin again.

>> No.9742443 [View]

[math]252=10^{log252}=10^{2.4014}[/math]
so
[math]252^{775}= \left (10^{2.4014} \right )^{775}=10^{1861.0854}[/math]
[math]=10^{0.0854} \times 10^{1861}=1.217 \times 10^{1861}[/math]

>> No.9720826 [View]

>>9720732
>partly-solved
... is not the same as "cracked", Aubrey.

>> No.9712275 [View]

This seems fairly easy: without further information, we have to assume _n_ couples
means _n_ men and _n_ women, so each man has n-1 women (neglecting his own) and
each woman has n-1 men, neglecting her
own. Thus n(n-1) couplings.

>> No.9677915 [View]

>>9677466
>100×50×50 meter slab of rock
Let [math]a=100~;~b=50~;~c=50[/math] and rock density [math] \rho=2.71[/math]
then mass [math]M= \frac{ \pi abc \rho}{6}[/math] = 355,000 Tonnes
At a velocity of 11.2km/s (escape velocity of Earth)
this object has 22.3PJ kinetic energy, equivalent to 5.31 megaton TNT.
https://en.wikipedia.org/wiki/Standard_asteroid_physical_characteristics#Mass

>> No.9661407 [View]

>>9660204
>dat second line
wat

>> No.9661404 [View]

>>9657791
What is the cardinality of solvable equations
versus that of unsolvable equations?

>> No.9661342 [View]

>>9661266
>hahahaah
Mom let the hyaena use her computer again.

>> No.9661341 [View]

>>9661196
>gluton
... a newly-discovered subatomic particle?

>> No.9655283 [View]

>>9653562
Black hole mass ranges from the Chandrasekhar Mass up to billions of solar masses,
so their total mass may be many times that of total stellar mass. It seems as though every new survey
gives a much higher estimate of the total number of black holes. Last year two ultra-compact
dwarf galaxies were each found to contain a black hole bigger than that in the Milky Way:
https://unews.utah.edu/supermassive-black-holes-found-in-two-tiny-galaxies/

>> No.9655160 [View]

>>9655054
>I would bet
there is no wagering at 4chan, Grandpa

>> No.9655150 [View]

Here is how I see it:
In the first poll, incumbent is projected to get v_1% of the vote,
major challenger (v_1 - 3)% of the vote, and others the rest.
In the second poll, the major challenger is projected to get (v_1 - 3 + 5)% = (v_1 +2)% of the vote,
and would win the election only if the incumbent were not 2% higher in the second poll.
This could happen only if the 5% increase for the major challenger and the 2% increase for the incumbent all came from the others.
Therefore the 7%

>> No.9653564 [View]

>>9648092
>everything that happened
Could you be more vague and open-ended?

>> No.9653561 [View]

>>9653403
>what is the chance
Lrn2probability fgt pls

>> No.9653557 [View]
File: 26 KB, 450x250, Black-Hole-Image.jpg [View same] [iqdb] [saucenao] [google]
9653557

Could this large number of recently-detected black holes account for the "missing mass" of the Milky Way galaxy, or is "dark matter" still required to explain its anomalous rotation?
http://news.columbia.edu/content/1904

>> No.9626631 [View]

>Scientists Are Baffled
the hack writer's favourite headline

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