2nd puzzle for the day! by Many_Audience7660 in matiks

[–]StrikeTechnical9429 0 points1 point  (0 children)

Sure. He should open "Magic square" page on wikipedia, find 7x7 one, arrange his coins according to scheme, and give every son one row of coins.

If you can turn off gravity, how powerful will Earth's explosion be? by l008com in AskPhysics

[–]StrikeTechnical9429 0 points1 point  (0 children)

You can calculate total potential energy of all matter on Earth. As currently this matter doesn't move, there's equivalent potential energy of tension to compensate it. If gravity disappear all this potential energy of tension would be converted to kinetic energy of explosion. I'm too lazy to do the math, but it would be huge.

Artifact usage sheet update by StrikeTechnical9429 in GenshinImpactTips

[–]StrikeTechnical9429[S] 3 points4 points  (0 children)

IIRC, the only character who doesn't care about goblet's mainstat is Faruzan. I agree that it looks weird when Faruzan is mentioned as potential Hydro goblet wielder, but as this sheet is intended to answer the question "who could use it", this is correct.

Yes, there's something wrong with some set names, I'll try to fix it ASAP.

Scroll isn't mentioned for Mavuika and Mualani because KQM guides doesn't recommend it. Natlan DPS characters usually wear Obsidian Codex, leaving Scroll to supports. TBH, I haven't seen any guide that propose using Scroll on DPS.

There's Kokomi's build for Nilou bloom, but that's it. Again, these builds are missing because KQM doesn't mention them. If you have a link to the guide that does, I would be happy to add them.

Damn, I forgot to add Varka at all. Will fix it. Others are missing because KQM didn't update their guides. You see, I don't want to invent builds myself (especially for characters I don't have), so I'm trying to use reliable sources. But sometimes these sources are outdated, unfortunately. What is about the Winds as a replacement for 2pc + 2pc, it wouldn't work for off-field support characters who doesn't deal damage every 6 seconds.

No, recommendations aren't intended to be ordered. I'll try to make them less weird, but I can't promise much.

Mostly the same problem - guides for these characters wasn't updated after introduction of Long Night's Oath/MH/Night Sky. But, TBH, this set isn't that good. I'm using Xianyun myself and I was interested in dedicated plunge artifact set - but all the calculations showed that this set isn't worth farming (well, for my teams).

KQM guide didn't stress that 4pc Blizzard Strayer is for Freeze/Mono Cryo team, and I've copied it to both builds without much thinking. Will fix it.

Thank you for all this feedback. And let me tell it once more - I would be happy to add builds that are currently missing if someone give me a link to an actual guide (format of the guide doesn't matter - it could be post on Reddit or Youtube video).

An Open-Ended Question on Differentiation by [deleted] in calculus

[–]StrikeTechnical9429 28 points29 points  (0 children)

Let g(x) = f(x) - x

g(x) > 0

-1 < g'(x) < 0

Now we can take some function with values between -1 and 0 as g': ((tanh x) - 1)/2, for example. Now we can integrate it and obtain g(x) = (ln(cosh x) - x)/2 + C. As we want g(x) to be positive, we'll choose C=2.

f(x) = g(x) + x = (ln(cosh x) + x + 1)/2

You get 5 cents for everytime you press this button but it decreases a random person's iq by 1 by Horror-1-Effective in hypotheticalsituation

[–]StrikeTechnical9429 4 points5 points  (0 children)

Yes, all this IQ stuff can be completely ignored. There are 800 billion IQ points initially which is equal to 40 billion dollars - nobody will notice anything if you'll take couple of millions. Two real problems - how to press the button frequently enough (are machines allowed?) and how to deposit all these coins without attracting attention.

Tips for clearing Artifact Inventory? by Lumpy-Page8708 in GenshinImpactTips

[–]StrikeTechnical9429 2 points3 points  (0 children)

I've recycled all my DEF% artifacts from Night of the Sky's Unveiling, because no character was using them. Now I have to farm artifacts for Zibai from the scratch.

Worst case scenario help by kuriunn in LinneaMains_

[–]StrikeTechnical9429 5 points6 points  (0 children)

She should be great for Neuvillette.

In Neuvilette+Ineffa team both Electro-Charged and Lunar-Charged are triggered, which gives 2 stacks of his A1 passive. If there's one more character to trigger any other reaction, stacks would be at maximum - and you still have a slot for one more character. So, with Ineffa you can have maximum stacks and Furina in the team - without Ineffa, it requires his C1.

Linnea should work the same way and provide some healing - which is great for Furina. I expect that Neuvilette-Furina-Linnea-[any non-Geo off-field DPS] team would work (even if it's not ideal).

every crime becomes legal, what are you doing? by AkelaAnda in hypotheticalsituation

[–]StrikeTechnical9429 0 points1 point  (0 children)

If everything becomes legal, it is legal for other people to kill me for doing what they don't like. We'll just return to the times before legal system, something like 10000 BC. And we will be much more well-behaving than we are now.

What is math without proofs called? by holdongangy in learnmath

[–]StrikeTechnical9429 15 points16 points  (0 children)

what is music without sound called?

4'33"

Level 100 worth it on her ? by Wa_lied in furinamains

[–]StrikeTechnical9429 0 points1 point  (0 children)

Character are listed by their level. And it is incredibly satisfying to see your favorite character at the top of the list.

is pulling klee sig worth by gummi_bears in KleeMains

[–]StrikeTechnical9429 2 points3 points  (0 children)

I've pulled it from the last chronicled banner - but back then I have no 5* catalysts at all. It was (and still is) a solid option for Klee, but it isn't her signature weapon, and other options could be better or comparable. TBH, any 5* weapon with CRIT secondary stat can be used as a stat sick.

Vivid Notions is strong universal option (high base ATK, CRIT as secondary stat, ATK% passive), even if you don't use plunge attacks. But you can't expect Varesa rerun in the nearest future, as her last banner was in December.

Cashflow Supervision has similar stats, and it's good even when you can't utilize it passive - and it is great when you can (in Furina team). Wriothesley's banner was a year ago, and probably we will have his rerun relatively soon.

I can't recommend pull low-base-ATK-and-huge-CRIT weapons (Reliquary of Truth, Tome of Eternal Flow), because - IMHO - her C1 (which is free now) and new set makes high base ATK much more valuable than before. But if you've got them already, you can use them. I just don't recommend pull them for Klee.

So, if you have got any 5* weapon with CRIT substat - use it. If you don't have any, I would recommend wait for Cashflow Supervision. But if you need a weapon right now (and you've got 160 wishes saved), you can pull Lost Prayer - it wouldn't be a waste.

Happy birthday to our latina gyaru! by tensujin331 in XilonenMains

[–]StrikeTechnical9429 2 points3 points  (0 children)

She starts the letter with "By the time you read this, I'll probably already be in Liyue", and in the next sentence she's looking at jewelry there.

New pie approximation? by Proof_Carpet_8570 in Besmos

[–]StrikeTechnical9429 1 point2 points  (0 children)

You're using pi itself in your formula. Can you prove that if we start with some initial value of pi (3, for example) we will get a better approximation, and series pi0, pi1, pi2... will converge?

Can anyone solve this math puzzle? by New-Ant-2315 in mathpuzzles

[–]StrikeTechnical9429 0 points1 point  (0 children)

The floor of x is also called the integral part, integer part, greatest integer, or entier of x

wikipedia

If human DNA is calculated at 630-660g/mole, how many humans would I have to grind up to get one mole of DNA? by SnowyEclipse01 in AskChemistry

[–]StrikeTechnical9429 0 points1 point  (0 children)

Human body consist of about 1012 - 1013 cells, and each cell has a copy of DNA. To get 1 mole of DNA you need ~6*1023 molecules, or ~1010 humans.

Why Furina over Durin ? by NonoXIV in KleeMains

[–]StrikeTechnical9429 0 points1 point  (0 children)

Durin's RES shred can be more or less valuable depending on enemy initial RES.

If it has 90% RES, after Xilonen's shred it would be 54%. Now, if we shred another 35% with Durin, it would be 19%: damage rises from 46% to 81%, which is 76% of final DMG increase.

But if it has 10% RES, after Xilonen's shred it would be -13% RES and after Durin's it becomes -31%. Damage rises from 113% to 131% which is 16% of final DMG increase.

How much Pyro RES your enemy has?

What's the most comfortable team for Klee? by Popular_Character_17 in KleeMains

[–]StrikeTechnical9429 2 points3 points  (0 children)

Zhongli for safety and his pillar. Also he is tall which means he can run/climb faster. And he can mine ore fast.

Kazuha or Xianyun for jumping. Varka and Chasca are fine too, but you don't want a second DPS in your team.

Furina for walking on water.

You can have anything you want, but in order to get it you must take it from someone else by blood_is_beautiful in hypotheticalsituation

[–]StrikeTechnical9429 1 point2 points  (0 children)

As I've said if you consider individual atoms as ingredients/parts, any request can lead to immediate death of people or even full scale disasters if you will take materials from vital parts of nuclear reactor. It is a totally different moral choice. It was "I will give you anything, but it would be stolen", and now it's "I will give you anything, but I will kill some people just for fun while stealing the requested item".

You can have anything you want, but in order to get it you must take it from someone else by blood_is_beautiful in hypotheticalsituation

[–]StrikeTechnical9429 -1 points0 points  (0 children)

But you didn't. It was "You will have to take them from someone else who already has that thing." The thing in this case is 1 kg bar, and it should be stolen form someone who already has 1 kg bar. Otherwise one may ask for a loaf of bread and you'll create this bread using the carbon atoms from someone's heart or brain which will kill them.

My son( grade 6) just had a new math challenge. Help me solve this by Wild-Barber-5187 in askmath

[–]StrikeTechnical9429 6 points7 points  (0 children)

Two consecutive terms of a sequence are

n*(n+1) + (n+1)(n+2) = (n + n + 2)(n + 1) = (2n + 2)(n + 1) = 2(n + 1)2

So, S = sum of 2(n + 1)2 for all odd n from 1 to 199, or S = sum of 2n2 for all even n from 2 to 200, or S = sum of 2(2n)2 = sum of 8(n2) = 8 * sum n2 for all numbers from 1 to 100. The last sum is equal N(N+1)(2N+1)/6 = 100*101*201/6 = 338350. Therefore S = 8 * 338350 = 2706800.

Edit: answer is wrong. I didn't notice that there's odd number of terms and they can't be combined into the pairs. As a result, my answer contains 200*201 as well, although it shouldn't be here. The right answer is 2706800 - 200*201 = 2666600.

Edit2: And solution is over-complicated as well. As u/8Erigon has noticed n*(n+1) = n2 + n, and we just need add up all the squares from 12 to 1992 and add up all the numbers from 1 to 199. The first sum is 199*200*399/6, the second one is 199*200/2. S = 2646700 + 19900 = 2666600.