Transportation Simplified by GhostAppetite

CULTURE — Apr 09

What is the meaning of the symbol "$\left|\underline{\;n\;}\right.$" for integer $n$?

For example, (6) The sequence of primes is endless. For, if $p$ is any prime, the number ${\...

REGIONAL UPDATES — Apr 09

Difference in logic notations for maths and computer science

I am reading: How to prove it, A structured approach by Daniel J.Velleman and despite it being a boo...

TIKTOK TRENDS — Apr 09

Derivation of the energy equation in fluid dynamics

I'm working through Acheson's 'Elementary Fluid Dynamics' and i'm having tr...

CELEBRITY MEMOIRS — Apr 09

Find the number of bicycles and tricycles [duplicate]

Help for my son. My math is a bit rusty and I'm trying to remember how to go about answering t...

CELEBRITIES ON SOCIAL MEDIA — Apr 09

Find a normal vector onto the line

How can I find normal vector on the given line. For example if I have a line $3x - 5y = 1$, what wou...

ENERGY NEWS — Apr 09

Can covariance be negative?

So I always thought that covariance could take any real number. However, in class today my professor...

CELEBRITY FASHION LINES — Apr 09

What's 110 degrees counterclockwise from positive direction of x-axis?

What are the x and y components of a vector a with arrow in the xy plane if its direction is 110° c...

CELEBRITY BIRTHDAYS — Apr 09

Calculate distance in 3D space

Imagine I want to determine the distance between points 0,0,0 and 1,2,3. How is this calculated?...

$Prove this formula $1+\cos\theta+\cos2\theta+...+\cos n\theta=\frac{1}{2}+\frac{\sin(n+\frac{1}{2})\theta}{2\sin\frac{\theta}{2}}$ [duplicate]$

BUSINESS NEWS — Apr 09

Prove this formula $1+\cos\theta+\cos2\theta+...+\cos n\theta=\frac{1}{2}+\frac{\sin(n+\frac{1}{2})\theta}{2\sin\frac{\theta}{2}}$ [duplicate]

This is homework but I’m really stuck. The question is to prove a fromula which states: $$1+\cos\t...

BUSINESS NEWS — Apr 09

How can one "cancel out" set union as if I am using the additive property of equality of real numbers?

I am aware that for equalities involving, for instance involving real numbers, we have the cancellat...

$How do you get $\alpha$ from $\tan{\alpha}$?$

CLIMATE REPORTS — Apr 09

How do you get $\alpha$ from $\tan{\alpha}$?

How do you get $\alpha$ from $\tan{\alpha}$? Hello, I want to know how to obtain $\alpha$ from $\tan...

REGIONAL UPDATES — Apr 09

How many ways $12$ persons may be divided into three groups of $4$ persons each?

How many ways $12$ persons may be divided into three groups of $4$ persons each? I think the answer...

CELEBRITIES ON SOCIAL MEDIA — Apr 09

multiplication in H-space and loopspace of the H-space

Let $X$ be an $H-space$, and let a multiplication $,\cdot,$ be given, associative up to homotopy. L...

CELEBRITY BODYGUARDS — Apr 09

Rate of Change of Volume in a Sphere

Assume that the radius $r$ of a sphere is expanding at a rate of $7$ in. /min. The volume of a spher...

FINANCIAL NEWS — Apr 09

What is an anti chain

Which of the following is the correct definition of an anti chain .. 1). A subset S of a partially ...

$Calculate remainder of $12^{34^{56^{78}}}$ when divided by $90$$

WEATHER NEWS — Apr 09

Calculate remainder of $12^{34^{56^{78}}}$ when divided by $90$

Calculate remainder of $12^{34^{56^{78}}}$ when divided by $90$ First of all,I'm not sure abou...

FINANCIAL NEWS — Apr 09

Calculation of Radon–Nikodym derivative

Suppose the function $X \colon \mathbb{R} \longrightarrow \mathbb{R} \colon x \longmapsto X(x) : = x...

CHILD STARS — Apr 09

How do you find the radius with only the slant height? Please show work.

The radius of the circle is 12cm, it is then made into a cone Question: A cone is made by joining ...

CULTURE — Apr 09

Are there more even numbers than odd numbers?

Very simple 'yes-or-no' question, but I can't find the answer anywhere. My gut feelin...

CELEBRITY FLASHBACKS — Apr 09

Sigma notation formula $i=0$ [closed]

I am trying to help a high school student to solve summation calculation problems. The $i$ value of ...

CHILD STARS — Apr 09

sum of all the numbers that can be formed using the digits 2,3,3,4,4,4..

How to find the sum of all the numbers that can be formed using the digits 2,3,3,4,4,4.. What should...

REGIONAL UPDATES — Apr 09

Meaning of the spectral norm of a matrix

Is there an intuitive meaning for the spectral norm of a matrix? Why would an algorithm calculate th...

REGIONAL UPDATES — Apr 09

Eigenvectors in Matlab/Octave, function "eig()", why are the eigenvectors output like that? [closed]

You can calculate eigenvectors of a matrix with eig() function like this: [eigenvectors, eigenvalue...

CELEBRITY FLASHBACKS — Apr 09

How to represent a logic equivalence?

In propositional logic we have the DeMorgan's laws: $$\lnot (p\lor q) \Leftrightarrow \lnot ...

CELEBRITY NET WORTH — Apr 09

Motivation behind study of martingales

Today I wanted to ask a question which I am sure has been answered in multiple places but for which ...

CHILD STARS — Apr 09

Drawing Plausible Phase Portrait

The equation: $$\dot{x} = f(x),\space x\in \mathbb{R},\space \text{where} \space f\begin{pmatrix}x_...

$Inverse laplace transform of $\frac{1}{s^3(s-1)}$$

FASHION NEWS — Apr 09

What is the meaning of the symbol "$\left|\underline{\;n\;}\right.$" for integer $n$?

Difference in logic notations for maths and computer science

Derivation of the energy equation in fluid dynamics

Find the number of bicycles and tricycles [duplicate]

Find a normal vector onto the line

Can covariance be negative?

What's 110 degrees counterclockwise from positive direction of x-axis?

Calculate distance in 3D space

Prove this formula $1+\cos\theta+\cos2\theta+...+\cos n\theta=\frac{1}{2}+\frac{\sin(n+\frac{1}{2})\theta}{2\sin\frac{\theta}{2}}$ [duplicate]

How can one "cancel out" set union as if I am using the additive property of equality of real numbers?

How do you get $\alpha$ from $\tan{\alpha}$?

How many ways $12$ persons may be divided into three groups of $4$ persons each?

multiplication in H-space and loopspace of the H-space

Rate of Change of Volume in a Sphere

What is an anti chain

Calculate remainder of $12^{34^{56^{78}}}$ when divided by $90$

Calculation of Radon–Nikodym derivative

How do you find the radius with only the slant height? Please show work.

Are there more even numbers than odd numbers?

Sigma notation formula $i=0$ [closed]

sum of all the numbers that can be formed using the digits 2,3,3,4,4,4..

Meaning of the spectral norm of a matrix

Eigenvectors in Matlab/Octave, function "eig()", why are the eigenvectors output like that? [closed]

How to represent a logic equivalence?

Motivation behind study of martingales

Drawing Plausible Phase Portrait

Inverse laplace transform of $\frac{1}{s^3(s-1)}$

Center of mass and moment of inertia of a $2$-dimensional donut?

derivative with respect to constant.

Function transformation: shrink horizontally

Find sample size given standard deviation, sample mean, confidence interval

Goldschmidt division example with estimates?

SageMath: defining class of functions on Elliptic Curves

How to derive the Riemann Curvature Tensor?

Probability of Posting a Quad and Trip on 4chan