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How to solve x−1=0 : r/mathmemes

How to solve x−1=0 : r/mathmemes

This error of multiplying with an argument that could be 0 actually happened to me in a few exams, yielding to completely wrong answers.Read more

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How is this answer achieved? : r/askmath

How is this answer achieved? : r/askmath

I'm doing exponents; exponential equations. 4x = 64 The answer I'm supposed to get is x = 3. The steps say to rewrite 64 with a base of 4.

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Giải thích đơn giản cho trẻ 5 tuổi: Tại sao sin(x)/x = 1 khi ...

Giải thích đơn giản cho trẻ 5 tuổi: Tại sao sin(x)/x = 1 khi ...

sin(x)/x không bằng 1 khi x = 0, nó không xác định. Nhưng giới hạn khi x tiến đến 0 (từ hai phía) thì bằng 1. Cái này dễ thấy thôi nếu dùng quy ...Read more

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Làm sao mà 1/căn2 = căn2/2? : r/learnmath

Làm sao mà 1/căn2 = căn2/2? : r/learnmath

Hai phân số a/b và c/d bằng nhau nếu và chỉ nếu ad = bc, với điều kiện b ≠ 0 và d ≠ 0. Nên nếu mày "nhân chéo" ra mà đúng thì hai phân số đó ...Read more

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2^(sqrt(2)) là bao nhiêu? : r/math

2^(sqrt(2)) là bao nhiêu? : r/math

Cách tính ax khi x là số vô tỉ là ta xấp xỉ x bằng một số hữu tỉ p/q, rồi tính ap/q thay thế. Ví dụ, 7/5 hơi nhỏ hơn căn bậc hai của 2, và 17/12 ...Read more

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How has a scam email seemingly been sent from my own ...

How has a scam email seemingly been sent from my own ...

A person claims to have installed Pegasus spyware on all your devices and has hacked ur webcam and screen on all your devices, seen you have been on ' ...Read more

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":10" là 10 phút hay 10 giây vậy? : r/Filmmakers

Nếu là 10 phút, người ta thường viết như vậy. Hoặc là 10mins. Chẳng ai lại viết dấu hai chấm trước 10 phút mà không ghi rõ giờ cả.Read more

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[Grade 9 chemistry] Why are there 5 H2O in CuSO4•5H20?

[Grade 9 chemistry] Why are there 5 H2O in CuSO4•5H20?

The empirical formula for the elements alone is CuSO4 and the compound is H20 but somehow, when you combine them, the answer isn't CuSO4•H2O but gets a ...Read more

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My Capital City FULL MAP : r/SCBuildIt

My Capital City FULL MAP : r/SCBuildIt

My Capital City FULL MAP. This took me more hours that I care to admit. A total of 60 images to make this. The water is from the game.Read more

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After much discussion... Bill Belichcik... : r/UrinatingTree

After much discussion... Bill Belichcik... : r/UrinatingTree

After much discussion... Bill Belichcik... Will not be a first ballot hall of famer. His troubling days at UNC is starting to be a key ...Read more

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This game feels and looks like a true AAAA title.

This game feels and looks like a true AAAA title.

All i can say is, this is an actual true next gen assassins creed. If you are reading this and have been hesitant on buying this game due to ...Read more

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Which is correct? : r/ENGLISH

Which is correct? : r/ENGLISH

Can anyone tell me if either or both are correct or not. 'I have known him for a long time.' or 'I have been knowing him for a long time.'

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About Paris: was Big TRULY running from their relationship ...

About Paris: was Big TRULY running from their relationship ...

Big had no friends, or family. He didn't want to be alone. He realized that he had given her mixed messages at the hotel during his recovery, ...Read more

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Whats the difference between injection moulding and die ...

Whats the difference between injection moulding and die ...

In casting, the metal has low enough viscosity to flow into the mould. With injection moulding, the plastic has a higher viscosity, and ...Read more

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need help with a question : r/askmath

need help with a question : r/askmath

It's binomial coefficient. It's read as “52-choose-5” or “n-choose-k” generally and typically written as nCk (though n and k are ...Read more

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Cu + Ag(NO3) + NaNO3 + KCl = ? : r/chemistry

Cu + Ag(NO3) + NaNO3 + KCl = ? : r/chemistry

My understanding was that even HCl isn't strong enough to oxidize elemental copper to form the chloride -- how was it formed here? I can't ...Read more

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Cu+HCl+H2O+KNO3, why does the solution go from ...

Cu+HCl+H2O+KNO3, why does the solution go from ...

When dissolving copper in hydrochlorid acid it always goes black after the reaction is about 75% finished. Until then it looks just like I'd expect.Read more

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Most people have their minds constantly filled with ...

Most people have their minds constantly filled with ...

Most people think they have an idea of who they are, and at the same time they often think they know they are not what they think they are.Read more

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Bluetooth speaker keeps pausing, any advice?

Bluetooth speaker keeps pausing, any advice?

I have had the same issue on my JBL Charge 4. It turns out if you have multiple devices connected, it sometimes just keeps pausing. Try to ...Read more

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ELI5: why can't magnesium nitrate and hydrochloric acid ...

ELI5: why can't magnesium nitrate and hydrochloric acid ...

Hydrochloric acid dissociates into Cl- and H+ ions in water. So when you mix the two, you just get a solution of Mg2+ , NO3- , Cl- , H3O+ ions ...Read more

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"Dear Valued Customer...." : r/Scams

The automation team in the company I work for almost sent out a legit email that said “dear valued consumer”. I pointed out that it looks like a ...Read more

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[TOMT] [music] The song is called Frontier Psychiatrist by ...

[TOMT] [music] The song is called Frontier Psychiatrist by ...

The song is called Frontier Psychiatrist by The Avalanches, it came out in 2000. It has a sample of a male voice shouting “he's nuts! He's crazy in the coconut ...Read more

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Tại sao cây thông lại có trong rừng rụng lá mặc dù chúng ...

Tại sao cây thông lại có trong rừng rụng lá mặc dù chúng ...

Khái niệm "rừng lá rộng ôn đới" nhìn chung là cái nhìn tổng quát về kiểu rừng phổ biến nhất thôi. Nó không phải là tuyệt đối và không chỉ giới ...Read more

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Should I use come or came in this sentence? : r/grammar

Should I use come or came in this sentence? : r/grammar

Someone told me that I should change "come" to "came" in this story since came continues the past tense already used. Just sounds very strange to me.Read more

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My favorite phrase is "faster than a fat kid on a Snickers bar ...

My favorite phrase is

Off the top of my head: "lost faster than a one-legged man in an ass-kicking contest" "out like a boner in sweatpants" "kicks like a bag of ninjas"Read more

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What weird sayings like "faster than a fat kid eating ...

What weird sayings like

“Busier than a long tail cat in a room full of rocking chairs” “Well butter my butt and call me a biscuit” “That sure takes the jam out of the donut”Read more

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YONEX SHB65Z4 REVIEW - Is it worth upgrading/buying?

YONEX SHB65Z4 REVIEW - Is it worth upgrading/buying?

SHB65 is generally well liked and popular since they're endorsed by most pros and marketing. The Aerus is a really fun shoe in my opinion, the ...Read more

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How do I know for sure when I *finish*? : r/AdviceForTeens

How do I know for sure when I *finish*? : r/AdviceForTeens

It's fairly common for that moment to feel like a pleasurable burning sensation, almost like you're about to wet yourself (you won't). Pushing ...Read more

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"If you will have finished it" vs "if you finish it"???

“If you have finished it” without the “will” is fine too. This would more likely become “If you've finished it” in casual speech such as the ...Read more

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Numerical Reasoning: 5, 0, _, 2, 1/5, 2/5 : r/askmath

Numerical Reasoning: 5, 0, _, 2, 1/5, 2/5 : r/askmath

A few simple rules: Start at 5. At each step, multiply by 0, except as noted below. If a term is a non-prime integer, add 1. If a term is an even prime integer ...Read more

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On 4chan, what is a 'robot' and why is it different from ...

On 4chan, what is a 'robot' and why is it different from ...

Robots is the name given to those who post in the board /r9k/, which means ROBOT9000. See this comment for information about the board itself.Read more

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Is work really harder now than it was years ago? : r/antiwork

Is work really harder now than it was years ago? : r/antiwork

Is it me or is work itself getting harder and harder to keep up? Employers seem to want to pay one person for what a whole team used to do back in the day.Read more

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Does anyone else feel like they work harder than everyone ...

Does anyone else feel like they work harder than everyone ...

I feel like I work much harder than my peers for the same or less impressive results. Most of the time I don't complain, but it's all crashing down on me now.Read more

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Why did he say "more easy" instead of "easier"? : r/ENGLISH

Why did he say

You are wrong. The comparative form of 'easy' is 'easier'. It already means 'more easy' in a comparative form. We drop the 'y' and add 'er'.Read more

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Giải thích đơn giản cho trẻ 5 tuổi: tổng sigma trong toán ...

Giải thích đơn giản cho trẻ 5 tuổi: tổng sigma trong toán ...

Đấy là kí hiệu của tổng, tức là cộng hai hay nhiều thứ lại với nhau. Nó thường xuất hiện trong kí hiệu sigma của chuỗi số, ...Read more

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Ê mấy bạn, cái kí hiệu ∑ trong toán học nghĩa là gì vậy?

Ê mấy bạn, cái kí hiệu ∑ trong toán học nghĩa là gì vậy?

Kí hiệu sigma (Σ) trong tiếng Hy Lạp thường nghĩa là tổng, tức là cộng dồn trên một khoảng hoặc tập hợp các số. Ulvenforst. • 5 năm trước.Read more

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How would m^1/2 be defined : r/learnmath

How would m^1/2 be defined : r/learnmath

We know how m represents length. m 2 represents area. m 3 represents volume. However in a geometrical sense how would something like m 1/2 be defined, is there ...Read more

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What does true silence sound like? : r/askscience

What does true silence sound like? : r/askscience

Many people, when in a very quiet environment (ie and anechoic chamber) experience tinnitus like 'sounds' even if they have never complained of tinnitus before.Read more

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Sao tan(x)=0 khi cos(x)=0 vậy? : r/trigonometry

Sao tan(x)=0 khi cos(x)=0 vậy? : r/trigonometry

Mình hiểu đồ thị và công thức rồi, và mình hiểu rằng vì tan(x)=sin(x)/cos(x), nên cos(x)≠0, nhưng mà… tại sao? Mình đã thử tìm đồ thị và lời ...Read more

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Someone help with x^5 - 1 : r/maths

Someone help with x^5 - 1 : r/maths

x^5 - 1= (x^3 - 1)(x^3 +1)[Difference of squares] = (x-1)(x 2 -x+1)*(x+1)(x^2+x+1) just basic maths and then i google itRead more

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How can I improve my relationship with the constant traffic?

How can I improve my relationship with the constant traffic?

Brake slowly. To the extent that you can, start slowing down your car as early as possible when you see the car in front of you slowing down as ...Read more

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Which is (x1,y1) and which is (x2,y2) when marking the ...

Which is (x1,y1) and which is (x2,y2) when marking the ...

I understand in this question that (x1,y1) is the first co-ordinate given and (x2,y2) is the second because of the order that they are given in.Read more

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Why is the limit sin(x)/x so important? : r/learnmath

Why is the limit sin(x)/x so important? : r/learnmath

This limit lets you define the derivative of sine. But sin(x)/x is also important for signal processing, where it is called the sinc function.Read more

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Lim of sin(x)/x as x goes to zero : r/learnmath

Lim of sin(x)/x as x goes to zero : r/learnmath

Product rule says lim as x=> 0 of sin(x)/x should equal limit sin(x) * limit (1/x). One of these factors goes to zero and the other goes to infinity, yet the ...Read more

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I "aced" the test meaning? : r/EnglishLearning

I

According to some sites, some say it's "getting an A+ or A or A- in a test" and some say it means "competed with excellence".Read more

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Màu Sắc của Sợi Dây Năng Lượng : r/energy_work

Màu Sắc của Sợi Dây Năng Lượng : r/energy_work

Cô ấy đã thấy những sợi dây màu đỏ, sợi dây màu đỏ/vàng và sợi dây màu vàng/ánh xà cừ, để kể tên một vài màu khác. Tôi hỏi cô ấy xem có sợi dây ...Read more

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Proof of the limit: lim [a^(1/n)]=1 as no goes to infinity, given ...

Proof of the limit: lim [a^(1/n)]=1 as no goes to infinity, given ...

I'm learning from Ross' Analysis, and he presents the proof of lim [a^(1/n)] =1 as n goes to infinity, a>0, in the following manner:.Read more

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How do I find the limit of (1/n)^n as n --> infinity? : r/MathHelp

How do I find the limit of (1/n)^n as n --> infinity? : r/MathHelp

I'm trying to understand the definition of e from the limit definition as n --> infinity of (1+ 1/n)n. I already know 1n is 1.

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