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Archived threads in /sci/ - Science & Math - 2121. page

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sup /sci/ I need to get like a 9.9/10 in an upcoming math exam that includes all high school topics and some college ones. Basically I need to get really good at geometry, algebra, trigonometry,precalculus differential calculus, integral calculus, statistics and probabilty
I have a bit more than a month where I'll be doing nothing but that, literally no job or school. What's the most effective and fastest way to learn?
9 posts and 1 images submitted.
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also how do I find love for math so I can put up with so much study? I'm trying to fix myself please help /sci/
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>>7690266
Depending on what kind of questions you'll be tested on, it shouldn't be too hard. My advice is to just make practice exams with possible questions, and just sit on your desk, time yourself, and do these exams without any notes. After a week you'll notice a great difference in improvement and should be okay.
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>>7690266
1. know exactly what the questions on the test will look like.

2. read about where these problems come from and the different ways they can be applied and solved

3. after doing a literal fuck ton of problems, do another practice test without looking.

4. if you miss anything, repeat steps 2-4.

Determine if the alternating series converges or diverges.
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>>7690216
Can't do it, not even if sober.
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The series diverges
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>>7690219
ur kidding right? it clearly converges

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Can anyone provide any info on the suicide by cherry method? Apparently if you grind 200 cherry pits and drink it the cyanide in them will kill you. Is there any truth in this? Common sense tells me that if it really was that simple, a lot more people would be doing it, yet I've never heard of anyone killing themselves like this.
14 posts and 1 images submitted.
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>>7690096
try it, also please livestream.
http://www.artofdrink.com/archive/research/cyanide-in-apricot-cherries-pits/
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>>7690096
Yeah
I doubt a lot more people would be trying to kill themselves by cyanide...
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>>7690096
>climbing a thousand foot ladder instead of taking the elevator

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Just got a job offer as a quant/strat at Goldman Sachs. I'm leaving academia. Am I a bad person if I take it?
11 posts and 3 images submitted.
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>>7690043
You're not a bad person, just a weak person.
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>>7690043
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>>7690043
Curious, what is your background and qualifications? How difficult was it to find your way in? How much they paying?

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If it's all just...space, then could I theoretically flip myself in any direction and still be in the natural accordance of things?
11 posts and 1 images submitted.
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>>7690033
An astronaut said the best way to get your head round it is to know there is no down.
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>>7690042
>not knowing that the enemy's gate is down
pleb
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>>7690033
once you have a reference to something, you have a direction, pertaining to that reference.

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How do I get better at math? I'm trying to make high marks on my ACT in order to transfer from my community college, but I keep getting questions incorrect on the practice tests. I barely listened in high school and didn't give a single shit about math. What do I do?? I've been studying for the past month so I have a pretty good basis... I have most problems with trig since I was never even introduced to that in hs.
13 posts and 1 images submitted.
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nice clock ahmed
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>>7689955
Leave this board, invent a time machine, and make your life not shitty
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>>7689955
why do you need to do the ACT if you're transferring? That shit isn't required if you've done a certain amount (iirc about 1 and a half year's worth) of credits, what's your GPA anon?

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So what do you guys feel about the JWST?
I think it's pretty cool how it could possibly tell us what exoplanets atmospheres are like (which could possibly show us a truly earth like planet)

It's basically hubble, but better.
21 posts and 4 images submitted.
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Please dont blow up please dont blow up please dont blow up
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>>7689847
>blows up

"Well boys, i guess we will have to wait a decade and a half because the NASA budget is abysmal"
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>>7689831
honestly i love hexagons (my favorite shape) and i love that the JWST's mirror is going to be made of hexagons

obviously the science it will do is important, but i'm more distracted by how neat it looks

Why is science and mathematics considered "hard"? What makes it so challenging? Why do people need motivation just to try it? Why do people feel that it is physically and mentally draining to solve a maths problem or do a small project in physics class?
46 posts and 3 images submitted.
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Science and mathematics aren't difficult unless you're exceptionally dumb. Pretty much anybody above 100 IQ can be proficient in their STEM field provided that they put the work in.
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>>7689821
what a stupid answer
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>>7689811
> Why is science and mathematics considered "hard"

Because they actually are "hard".

Most of what you learn in any STEM degree was, at some point in time, considered to be cutting edge research. The closer you get to present day knowledge, the more and more complex the topics tend to become. Once you get within the 50 year mark, shit starts to get pretty wild.

>neat
38 posts and 1 images submitted.
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You'd better be fast though, otherwise its just going to fizzle.
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>>7689801
>U-238
>Not U-235
>Not accounting for geometry

0/100.
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but wouldnt you get cancer from holding it in your hands

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If you could, what would you change about the Golden Record in modern times, and would you even send it off?
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From a perspective of people in the 1970’s when the voyager was launched with the golden record, people were very excited about space and the possibility of extraterrestrial life, so NASA did it as more of a publicity stunt to fuel interest of space and aliens into the eyes of Americans. It was very necessary to launch it back then because it generated a lot of revenue for NASA, but in Today’s times, it would be very unnecessary knowing that even if aliens receive it 500 light years away(low) it would take over a thousand years to get the message.
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The whole thing is pointless, better to let the Aliens find us
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>>7689659
Draw a dick

Also, I bet aliens sould give a fuck about us since we are stupid and they belong in a larger spacs civilisation with over 10000 races. Pic related is alien face when

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is this the right logic expression for the diagram:

((~A ∧ ~C ∧ B) v (B ∧ A ∧ C)

I know this board isn't for homework but i'll remove the post after someone checks my answer
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yeah that's right
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>>7689393
thanks. truth table is good too? just the setup of the columns.
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>>7689398
no it's totally fucked

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>tfw too stupid for math but too smart for anything else
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Ima nanji desu ka?
Spa day.
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>tfw stupid

Ftfy
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youd make a good engineer.

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What age did girls in caveman times probably start their periods?
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>>7689231
they were older than today
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>>7689231

Probably around 14-15.
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>>7689231

18, same as today.

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this is not a homework question, I'm just curious.

Lets say there is a definite integral from 0 to x of a function (t^3 - 2t + 3)dt

If that function is set equal to a constant, how does one go about solving for x?
21 posts and 4 images submitted.
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>>7689202
Evaluate the integral you fucking nigger
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>>7689202
You mean how does one go about solving for t? If the function equals a constant, there's no need to have an integral at all. If the integral is equal to a known constant, you evaluate the integral and solve for t.
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>>7689271

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Why its so hard to fall asleep and on top of that never feel rested.I tried almost everything even the 4-7-8 method which only made me feel a little bit relaxed but also had head ache in the morning because of it.
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>>7689086
psychologist here. your sleeping-disorder is the consequence of your nagging feeling of inadequacy in relation to your micropenis, latent homosexuality, severe mental retardation, autism, poverty, fur-fetish, morbid obesity and general lack of good hygiene.
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>>7689086

Try drinking in the hours before you go to bed. I do this on a daily basis and I never, ever have trouble falling asleep when I do so.
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>>7689103
:^)
>>7689104
I really cant and afford it and dont want to get into drinking right now also it will probably fuck my sleeping anyway.

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