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Find all School-related info fast with the new School-Specific MBA Forum
It is currently 02 Jul 2015, 13:42
### GMAT Club Daily Prep
#### Thank you for using the timer - this advanced tool can estimate your performance and suggest more practice questions. We have subscribed you to Daily Prep Questions via email.
C... | {} |
# How do you write 4 3/4 as an improper fraction?
$\frac{19}{4}$
The are $4$ quarters in each whole number and there are $4$ whole numbers here. You need to multiply the denominator by the amount of whole numbers and then add the numerator to get your answer, which is $19$ quarters.
$4 \frac{3}{4} = \frac{4 \cdot 4 + ... | {} |
A graduated cylinder, measuring cylinder or mixing cylinder is a common piece of laboratory equipment used to measure the volume of a liquid. View PDF. 23 3. For example, if the area between the 40ml mark and the 50ml mark is divided into ten segments, each segment represents 1ml. Not sure what size graduated cylinder ... | {} |
# Extract the different components of variance in a linear mixed model in R
Consider a mixed model as follows.
library(lme4)
data <- structure(list(blk = c(1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3L),
gent = c(1, 2, 3, 4, 7, 11, 12, 1, 2, 3, 4, 5, 9, 1, 2, 3, 4, 8, 6, 10L),
yld = c(83, 77, 78, 78, 70... | {} |
# Explaining how 1 + 2 + 3 + . . . can possibly equal -1/12 to a kid
When I did the my biographies for my kids last week my older son said that the thing in math that he’s see but that he does not believe is this equality:
1 + 2 + 3 + 4 + . . . . = -1/12
This sum was made popular by a Numberphile video a couple of y... | {} |
# The minimum value
Question:
The minimum value of $f(x)=\sin x$ in $\left[\frac{-\pi}{2}, \frac{\pi}{2}\right]$ isThe minimum value of $f(x)=\sin x$ in $\left[\frac{-\pi}{2}, \frac{\pi}{2}\right]$ is_________
Solution:
The given function is $f(x)=\sin x, x \in\left[\frac{-\pi}{2}, \frac{\pi}{2}\right]$.
$f(x)=\si... | {} |
A solid metal sphere of radius a = 1.30 cm is surrounded by a concentric spherical metal shell of inner radius b = 1.80 cm and outer radius c = 2.30 cm. The inner sphere has a net charge of Q1 = 4.00 µC, and the outer spherical shell has a net charge of Q2=-7.20 µC.
What is Er at a point located at radius r = 2.70 cm, ... | {} |
# A real-valued$\Rightarrow$Matrix $S$ of Cholesky-decomposition $A=SS^T$ is real valued.
Let $$A$$ be a symmetric positive definite invertible real valued matrix. Then we can write $$A=SS^T$$ where $$S$$ is a lower triangular matrix with positive entries on its diagonal. This decomposition is called the Cholesky deco... | {} |
This notebook takes over from part I, where we explored the iris dataset. This time, we’ll give a visual tour of some of the primary machine learning algorithms used in supervised learning, along with a high-level explanation of the algorithms.
import matplotlib.pyplot as plt
import numpy as np
import pandas as pd
imp... | {} |
arXiv Analytics
arXiv:1705.06726 [hep-ph]AbstractReferencesReviewsResources
New constraints on light vectors coupled to anomalous currents
Published 2017-05-18Version 1
We derive new constraints on light vectors coupled to Standard Model (SM) fermions, when the corresponding SM current is broken by the chiral anoma... | {} |
# An inverse problem: Number fields attached to elliptic curves over Q
If I understand FC's remark under the post "Very strong multiplicity one for Hecke eigenforms," in the course of Faltings's proof of the Tate conjecture, Faltings proves the following statement: let E/Q and F/Q be elliptic curves and write Q(E[p]) ... | {} |
# Changeset 6d43cc57
Ignore:
Timestamp:
Jun 22, 2018, 1:51:56 PM (3 years ago)
Branches:
aaron-thesis, arm-eh, cleanup-dtors, deferred_resn, demangler, jacob/cs343-translation, jenkins-sandbox, master, new-ast, new-ast-unique-expr, new-env, no_list, persistent-indexer, with_gc
Children:
3d56d15b
Parents:
999c700
Messa... | {} |
# Thread: Finding Equation of a Line Perpendicular to...
1. ## Finding Equation of a Line Perpendicular to...
I'm having trouble remembering how to solve this problem.
I know it has something to do with point-slope form of an equation
(y - y1) = m(x - x1)
Here's how it reads:
A line has the equation 7x + 3y = 12. Fi... | {} |
# Ring detail
## Name: Šter's clean ring with non-clean corner rings
Description: Construct $R_{70}$ as Šter describes using a field $F$ of characteristic $2$. Let $T$ be the subrng of $\omega\times\omega$ matrices over $R_{70}$ which have only finitely many nonzero entries. The ring $R=T+F\subseteq M_\omega(R_{70})$... | {} |
09-48 Jean-Marie Barbaroux, Thomas Chen, Semjon Vugalter, Vitali Vougalter
Quantitative estimates on the Hydrogen ground state energy in non-relativistic QED (495K, pdf, 47 pages) Mar 12, 09
Abstract , Paper (src), View paper (auto. generated pdf), Index of related papers
Abstract. We determine the exact expression fo... | {} |
Exemplary Writers
# Study Questions (Ch 12)
## 1. Study Questions #1. Ch 12.
In a free market, which factors apply to long run exchange rates? Check all that apply.
Points:
1 / 1
Close Explanation
Explanation:
Long run exchange rates are best explained by factors including real income differentials, inflation rate d... | {} |
# Curse of Dimensionality
11 September 2017
Curse of dimensionality usually refers to the fact that as the dimensionality of the data increases, it becomes exponentially more difficult to search, sample from the posterior, optimize, etc.
First, some some examples to illustrate the weirdness (or unintuitive nature) o... | {} |
# If x*y = 3x + 2y, Then 2*3 + 3*4 is equal to :
If x*y = 3x + 2y, Then 2*3 + 3*4 is equal to :
[A]38
[B]18
[C]29
[D]32
29
$\because x * y = 3x + 2y$
$2*3+3*4 = 3\times 2+2\times 3+3\times 3+2\times 4$
$= 6+6+9+8 = 29$
Hence option [C] is the right answer. | {} |
If you have any questions, please feel free to email us or to use the discussion tab. If you have an answer, feel free to contribute!
## How do I cite mothur? How about the individual functions?
Schloss, P.D., et al., Introducing mothur: Open-source, platform-independent, community-supported software for describing a... | {} |
Physics
##### ASSERTION
Absolute error may be negative or positive.
##### REASON
Absolute error is the difference between the real value and the measured value of a physical quantity.
Assertion is incorrect but Reason is correct
##### SOLUTION
Absolute error is the difference between the exact value and the approx... | {} |
## 92.10 Properties of morphisms representable by algebraic spaces
Here is the definition that makes this work.
Definition 92.10.1. Let $S$ be a scheme contained in $\mathit{Sch}_{fppf}$. Let $f : \mathcal{X} \to \mathcal{Y}$ be a $1$-morphism of categories fibred in groupoids over $(\mathit{Sch}/S)_{fppf}$. Assume $... | {} |
Mutual Exclusion by disabling interrupt
I am reading William Stallings operating system book which gives this pseudo-Code for disabling interrupt to achieve Mutual Exclusion
while (true) {
/* disable interrupts */;
/* critical section */;
/* enable interrupts */;
/* remainder */;
}
But I don't get why there is a Wh... | {} |
# [tex4ht] [bug #509] Incompatibilities with Tikz generated by menukeys package
Julianus Pfeuffer puszcza-hackers at gnu.org.ua
Tue Apr 27 22:27:51 CEST 2021
URL:
<http://puszcza.gnu.org.ua/bugs/?509>
Summary: Incompatibilities with Tikz generated by menukeys
package
Project: tex4ht
Submitted by: julepf
Submitted on... | {} |
# Is a distribution that is normal, but highly skewed, considered Gaussian?
I have this question: What do you think the distribution of time spent per day on YouTube looks like?
My answer is that it is probably normally distributed and highly left skewed. I expect there is one mode where most users spend around some ... | {} |
time limit per test
2 seconds
memory limit per test
256 megabytes
input
standard input
output
standard output
Omkar has received a message from Anton saying "Your story for problem A is confusing. Just make a formal statement." Because of this, Omkar gives you an array $a = [a_1, a_2, \ldots, a_n]$ of $n$ distinct int... | {} |
# Entropy optimality: Analytic psd rank and John’s theorem
Recall that our goal is to sketch a proof of the following theorem, where the notation is from the last post. I will assume a knowledge of the three posts on polyhedral lifts and non-negative rank, as our argument will proceed by analogy.
Theorem 1 For every ... | {} |
How do you find the radius of two circles inside a rectangle if the area of it is 50cm squared?
Oct 17, 2016
$r = 2.5 c m$
Explanation:
I think a bit more detail is required about the the 2 circles? Are they equal in size and how are they placed?
I am going to assume that the two circles are equal in size and are ... | {} |
Tutorial TDepES¶
Temperature-DEPendence of the Electronic Structure.¶
This tutorial aims at showing how to get the following physical properties, for periodic solids:
• The zero-point-motion renormalization (ZPR) of eigenenergies
• The temperature-dependence of eigenenergies
It should take about 1 hour.
For the t... | {} |
# McKay correspondence over non algebraically closed fields
Authors
Type
Published Article
Publication Date
Jul 01, 2013
Submission Date
Jan 23, 2006
Identifiers
arXiv ID: math/0601550
Source
arXiv
The classical McKay correspondence for finite subgroups $G$ of $\SL(2,\C)$ gives a bijection between isomorphism classes ... | {} |
# Interpreting the Fourier transform of a Gibbs measure
Recall that a Gibbs measure gives a probability distribution on states $x$ of the form
$$p_X(x) = \frac{1}{Z(\beta)}\exp(-\beta E(x))$$
As I understand, the function $E$ is interpreted as the energy of the state. I'm wondering if there is a physical interpretat... | {} |
# Aerodynamics Questions and Answers – Flow Compressible
«
»
This set of Aerodynamics Multiple Choice Questions & Answers (MCQs) focuses on “Flow Compressible”.
1. The definition of flow being compressible is______
a) M > 0.3
b) M > 0.5
c) Depends on precision required
d) Another name for supersonic flows
Explanati... | {} |
923 views
### Guidelines for context edits and rewrites
Suppose you come across a question that has been closed for lack of context, has high quality answers, and on its way to being deleted. Can you save the post by editing it to include more context? ...
513 views
### Improving other's questions via adding solutio... | {} |
# Watercolors
Do Sol de Ipanema
É mais que um poema
(Garota de Ipanema, João Gilberto)
Sometimes I think about the reasons why I spend so many time doing experiments and writing my discoveries in a blog. Even although the main reason to start this blog was some kind of vanity, today I have pretty clear why I still ke... | {} |
# Help Center > Badges > Custodian
Complete at least one review task. This badge is awarded once per review type.
Awarded 3308 times
Awarded Nov 4 '15 at 13:37 to
for reviewing Suggested Edits
Awarded Nov 3 '15 at 23:28 to
for reviewing Suggested Edits
Awarded Nov 2 '15 at 21:26 to
for reviewing Suggested Edits
Awarde... | {} |
TheInfoList
The horizon is the apparent line that separates the surface of a
celestial body In astronomy Astronomy (from el, ἀστρονομία, literally meaning the science that studies the laws of the stars) is a natural science that studies astronomical object, celestial objects and celestial event, phenomena. It uses ...... | {} |
3 another typo fix
# Shenzen IO (Assembler) ,83 76 bytes, noncompeting
Shenzen io is a puzzle game where you can code you code in a special assembler-ish language.
Unfortunately, you can only use integers between -999 and 999 as inputs or outputs, and there is no way to tell if an array has ended. So i assumed that ... | {} |
A single phase $10$ kVA, $50$ Hz transformer with $1$ kV primary winding draws $0.5$ A and $55$ W, at rated voltage and frequency, on no load. A second transformer has a core with all its linear dimensions $\sqrt{2}$ times the corresponding dimensions of the first transformer. The core material and lamination thickness... | {} |
BAM Merger Two Separate References?
0
1
Entering edit mode
9 months ago
glew ▴ 20
Situation:
ReferenceA and ReferenceB are completely different and cannot be merged into single reference.
Align reads to both A and B.
I want to merge the two bam files where it will score which alignment is better for each read. Does... | {} |
# What is the unit vector that is normal to the plane containing (- 3 i + j -k) and (- 4i + 5 j - 3k)?
Apr 6, 2017
The unit vector is =〈2/sqrt150,-5/sqrt150,-11/sqrt150〉
#### Explanation:
The vector perpendicular to 2 vectors is calculated with the determinant (cross product)
$| \left(\vec{i} , \vec{j} , \vec{k}\r... | {} |
# Count the ordered triplets
Number Theory Level 2
$x^2+y^2-z^2=1997$
Find number of ordered triplets $$(x,y,z)$$ of integers $$x$$,$$y$$,$$z$$ satisfying the above equation.
$$\bullet$$ Enter 777 as your answer if the answer is infinite.
× | {} |
MullOverThing
Useful tips for everyday
# When should I not use batch normalization?
## When should I not use batch normalization?
Not good for Recurrent Neural Networks Batch normalization can be applied in between stacks of RNN, where normalization is applied “vertically” i.e. the output of each RNN. But it cannot... | {} |
# What is the Product in Math? Definition, Solved Examples, Facts (2023)
• What is Product in Math?
• Product of Fractions
• Product of Decimals
• Solved Examples
• Practice Problems
Suppose you are at the bakery and you want to buy four cupcakes. When you reach there, you see that one cupcake costs $5. How will you ... | {} |
TutorMe homepage
Subjects
PRICING
COURSES
Start Free Trial
Miranda N.
College Math Major
Tutor Satisfaction Guarantee
Basic Math
TutorMe
Question:
Solve for x: x=2(3*5)-2$$^2$$+7.
Miranda N.
By following PEMDAS, we would simplify within the parentheses first, leaving x=2(15)-2$$^2$$+7. Next we would solve the expone... | {} |
## Executive Summary
This blogpost shows a case study where a researcher uses Dask for mosaic image fusion. Mosaic image fusion is when you combine multiple smaller images taken at known locations and stitch them together into a single image with a very large field of view. Full code examples are available on GitHub f... | {} |
# Canonical Transformation and renormalization
eljose79
Canonical Transformation and renormalization...
Let be L a lagrangian of a Non-Renormalizable theory..then we could take its hamiltonian.
Then after taking Hamiltonian you could take a Canonical Transformation to find another (renormalizable) Hamiltonian..and s... | {} |
Infoscience
Conference paper
Comparison between front- and back-gating of Silicon Nanoribbons in real-time sensing experiments
Field-effect transistors (FETs) with open gate structures such as Silicon Nanoribbons (SiNRs) are promising candidates to become general platforms for ultrasensitive, label-free and real-tim... | {} |
# Let $f(x)=\cos x(\sin x+\sqrt{\sin^2 x+\sin^2\theta})$ where $\theta$ is a given constant then maximum value of $f(x)$ is
$\begin{array}{1 1}(a)\;\sqrt{1+\cos^2\theta}&(b)\;\sqrt{1+\sin^2\theta}\\(c)\;\mid \cos\theta\mid&(d)\;\mid \sin\theta\mid\end{array}$
$f(x)=\cos x(\sin x+\sqrt{\sin^2x+\sin^2\theta})$
$\Righta... | {} |
# Does the water level rise?
if I have A closed vessel that is half-filled with water. There is a hole near the top of the vessel and air is pumped out from this hole.
will the level of water rise
apparently, the level of water doesn't always rise
I thought since there is no atmospheric pressure:
$$P_{atm} + DgH_1... | {} |
# Tag Info
1
To explain further what I wrote in the comments: Your function has the form F(t,x,co,xo) where x is the state, co the constants for the other objects and xo the dynamical data for the other objects. Variant 1: You will get an order 1 approximation out of RK4 if you use the external dynamic in the RK4 loo... | {} |
Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)
$[-1349, 29035]$
The Dead Sea's 1349 ft from sea level is below, therefore the value is $-1349$. Mt. Everest's 29035 from sea level is above, making the value $29035$. | {} |
## Transpose of a Matrix in Python
A transpose of a matrix is obtained by interchanging all its rows into columns or columns into rows. It is denoted by $$\displaystyle {{A}^{t}}$$ or $$\displaystyle {{A}^{‘}}$$. For example, If $$\displaystyle A=\left[ {\begin{array}{*{20}{c}} 1 & 2 & 3 \\ 4 & 3 & 5 \\ 2 & 6 & 2 \en... | {} |
# Properties
Label 720.2.w.b Level $720$ Weight $2$ Character orbit 720.w Analytic conductor $5.749$ Analytic rank $0$ Dimension $4$ CM no Inner twists $4$
# Related objects
## Newspace parameters
Level: $$N$$ $$=$$ $$720 = 2^{4} \cdot 3^{2} \cdot 5$$ Weight: $$k$$ $$=$$ $$2$$ Character orbit: $$[\chi]$$ $$=$$ 72... | {} |
# ways of selecting consecutive persons sitting at a table
I'm trying to solve the following problem:
Ten people are sitting around a round table. Three of them are chosen at random to give a presentation. What is the probability that the three chosen people were sitting in consecutive seats?
I got the wrong answer ... | {} |
# What transforms under SU(2) as a matrix under SO(3)?
A vector $\boldsymbol{r}$ in $\mathbb{R}^3$ transforms under rotation $\boldsymbol{A}$ to $\boldsymbol{r}'=\boldsymbol{Ar}$. It is equivalent to an SU(2) "rotation" as $$\left( \boldsymbol{r}'\cdot\boldsymbol{\sigma} \right) = \boldsymbol{h} \left( \boldsymbol{r}\... | {} |
# Tag Info
14
The "simplest" classical explanation I know is the van der Waals interaction described by Keesom between two permanent dipoles. Let us consider two permanent dipoles $\vec{p}_1$ (located at $O_1$) and $\vec{p}_2$ located at $O_2$. Their potential energy of interaction is: U(\vec{p}_1,\vec{p}_2,\vec{O_1 ... | {} |
Try NerdPal! Our new app on iOS and Android
Integrate the function $\frac{1}{x^2}$ from $1$ to $2$
Go!
Go!
1
2
3
4
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8
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a
b
c
d
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sec
csc
asin
acos
atan
acot
asec
acsc
sinh
cosh
tanh
coth
sech
csch
asinh
ac... | {} |
# Em dash in LaTeX
My friend Daniel Reeves was recently discussing different ways to typeset em dashes. Here is the way I like to do it in LaTeX.
\documentclass{minimal}
%this sets up a new command \dash, which makes nice dashes
\DeclareRobustCommand\dash{%
\unskip\nobreak\thinspace\textemdash\thinspace\ignorespaces}... | {} |
Canonical coordinates
In mathematics and physics, the canonical coordinates are a special set of coordinates on the cotangent bundle of a manifold. They are usually written as a set of [itex](q^i,p_j)[itex] or [itex](x^i,p_j)[itex] with the x 's or q 's denoting the coordinates on the underlying manifold and the p 's ... | {} |
# A First Look At Circuits
1032
## A First Look at Circuits
An electric circuit consists of a power supply, one or more “load” devices that consume electric power to produce some useful output like light, heat, or motion, an optional means of control (e.g., an on-off switch), and conducting wires to move electric po... | {} |
# Is it possible to configure Linux OpenMPI v1.6.5 to use multiple working directories on a single node?
I am running some quantum chemical calculations on a refurbished PowerEdge rack server, with dual quad-core Xeons, 16GB RAM, and a single 500GB SATA HDD. OS is vanilla Debian Wheezy. For one of the calculation type... | {} |
# Enter the ASA's Talent Competition!
## News
• Author: Statistics Views and Jeffrey Myers
• Date: 13 December 2013
• Copyright: Image appears courtesy of iStock Photo
Calling all singers, dancers, comedians, actors, actresses, and everything in between. ASA's Got Talent is looking for YOU!
In celebration of the 17... | {} |
### Department of Bioinformatics and Computational Biology
Home > Public Software > NG-CHM R > Create a NG-CHM
## Create a NG-CHM
This vignette demonstrates how to construct a simple NG-CHM and save it as a file that can be opened in the NG-CHM Viewer . The following sections are below:
### Sample NG-CHM Data
This... | {} |
# The photon as a mediator particle
1. Dec 26, 2009
### espen180
I would like to ask some questions about the photon as a mediator particle of the electromagnetic force.
As far as I know, in order to dertermine the complete state of a photon, we need to know the values of two entities, which are the position and mo... | {} |
### Dataset 1, Table of $\Delta T_\nu$ coefficient values
Dmitry Sitnikov, Inna Ilina & Alexander Pronkin
This CSV file represents a table of DeltaTnu coefficient values to calculate maximum local temperature increase DeltaT [C] of water cilinder at temperature T0 [C] exposed to a pulse of THz radiation at given frequ... | {} |
Thank you for visiting nature.com. You are using a browser version with limited support for CSS. To obtain the best experience, we recommend you use a more up to date browser (or turn off compatibility mode in Internet Explorer). In the meantime, to ensure continued support, we are displaying the site without styles an... | {} |
Data Descriptor | Open | Published:
# Dataset of eye disease-related proteins analyzed using the unfolding mutation screen
## Abstract
A number of genetic diseases are a result of missense mutations in protein structure. These mutations can lead to severe protein destabilization and misfolding. The unfolding mutatio... | {} |
# Plus One - Chapter 10 - Straight Lines
### Plus One - Chapter 10 - Straight Lines
We are familiar with two-dimensional coordinate geometry from earlier classes. Mainly, it is a combination of algebra and geometry. A systematic study of geometry by the use of algebra was first carried out by celebrated French philos... | {} |
# Conditions
## “Inline” conditions
An inline condition is a condition that is not used through if or a similar statement.
Check if a condition is true:
df$var[conditionToTest] Check if a condition is false: df$var[ ! conditionToTest]
conditionToTest should be replaced by actual R code. | {} |
# proving transcendental numbers are irrational
I don't understand how every transcendental number is irrational, is there a way to prove that? I know it just means it's a non-algebraic number, but how does that correlate to irrationality?
• How about proving that every rational is algebraic? – Lord Shark the Unknown... | {} |
Calculus can be defined on smooth manifolds.
## Dynamical System
### Vector Field
Vector field (向量场) $X: M \mapsto T M$ on a smooth manifold $M$ is a continuous map that takes each point on the manifold to an element of the corresponding fiber of the tangent bundle: $X_p \in T_p M$. In other words, a vector field is... | {} |
# Primes ≤ 100 in Rust
Posted by Michał ‘mina86’ Nazarewicz on 20th of June 2021
In a past life I’ve talked about a challenge to write the shortest program which prints all prime numbers less than a hundred. Back then I’ve discussed a 60-character long solution written in C. Since Rust is the future, inspired by a re... | {} |
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# Proving (1) the law of mass action, and (2) the Poisson character of the reactions
Hello, I'm working away on my second blog article. It's still too unformed for anyone else to read it. But I have... | {} |
# Path Tracing 3D Fractals
In some ways path tracing is one of the simplest and most intuitive ways to do ray tracing.
Imagine you want to simulate how the photons from one or more light sources bounce around a scene before reaching a camera. Each time a photon hits a surface, we choose a new randomly reflected direc... | {} |
# Boyle's law
If an ideal gas is allowed to slowly expand to 4 times its initial volume, what is the ratio of the final pressure to the initial pressure?
× | {} |
# Is ChemiDay a reliable enough source (for inorganic reactions) to be cited on our site?
We have quite a lot of upvoted posts — 77 to be exact — using a website called ChemiDay as their reference material. However, from the looks of it, the website doesn't appear to be a reliable reference.
Suppose I have a question... | {} |
#### Vol. 13, No. 3, 2019
Recent Issues
The Journal About the Journal Editorial Board Editors’ Interests Subscriptions Submission Guidelines Submission Form Policies for Authors Ethics Statement ISSN: 1944-7833 (e-only) ISSN: 1937-0652 (print) Author Index To Appear Other MSP Journals
Algebraic independence for valu... | {} |
## Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)
Published by Pearson
# Chapter 10 - Exponents and Radicals - 10.6 Solving Radical Equations - 10.6 Exercise Set: 5
TRUE
#### Work Step by Step
Squaring both sides of the given equation, $t=7,$ gives $t^2=49.$ Hence the given statement is... | {} |
# (194) Thu 8 Sep 94 11:09 By: Martin Goldberg To: ALL Re: old tyme religion St: @EID:6b8d
(194) Thu 8 Sep 94 11:09 By: Martin Goldberg To: ALL Re: old tyme religion St: ------------------------------------------------------------------------------ @EID:6b8d 1d285920 @SPLIT: 9 Sep 94 01:45:36 @124/4115 55 01/02 ++++++... | {} |
# Fibre of a local homeomorphism can be covered by disjoint open sets.
Let $f\colon X\rightarrow Y$ be an open local homeomorphism and $y\in Y$. Do there exist pairwise disjoint open neighborhoods $U_x$ for $x\in f^{-1}(y)$?
If not, what would be mild topological restrictions to $X,Y,f$ to make this true? It's easy i... | {} |
My Math Forum Differential Equation Help
Calculus Calculus Math Forum
April 11th, 2016, 03:08 AM #1 Newbie Joined: Apr 2016 From: UK Posts: 10 Thanks: 0 Differential Equation Help Hi, I'd really appreciate any help with this. Obtain the solution of: $2\cot x\frac{\text{d}y}{\text{d}x} = (4-y^2)$ for which y=0 at ... | {} |
# which of the following is the identity element
1 is the identity element for multiplication, because if you multiply any number by 1, the number doesn't change. The two most familiar examples are 0, which when added to a number gives the number; and 1, which is an identity element for multiplication. Such a semigrou... | {} |
## Generalized eigenproblem without fermion doubling for Dirac fermions on a lattice
M. J. Pacholski, G. Lemut, J. Tworzydło, C. W. J. Beenakker
SciPost Phys. 11, 105 (2021) · published 14 December 2021
### Abstract
The spatial discretization of the single-cone Dirac Hamiltonian on the surface of a topological insu... | {} |
## Two Integrals
### January 11, 2011
The exponential integral appears frequently in the study of physics, and the related logarithmic integral appears both in physics and in number theory. With the Euler-Mascheroni constant γ = 0.5772156649015328606065, formulas for computing the exponential and logarithmic integral... | {} |
# MTHexapod reports failure in state transition when it is actually succeeding
XMLWordPrintable
#### Details
• Type: Story
• Status: Done
• Resolution: Done
• Fix Version/s: None
• Component/s: None
• Labels:
• Story Points:
1
• Sprint:
TSSW Sprint - Sep 13 - Sep 27, TSSW Sprint - Sep 27 - Oct 11
• Team:
Telescope a... | {} |
Take practice tests and exercise with short tricks and examples. This is best app for aptitude tricks. Studyplan SSC CGL Maths Quantitative Aptitude Algebra. Trigonometry MCQ Questions and answers with easy and logical explanations. Sunil Kumar Kharub. $2+\sqrt{3}$ B. Trigonometry Function Formulas. 54k watch mins. bes... | {} |
# What is the surface area produced by rotating f(x)=(1-x)/(x^2+6x+9), x in [0,3] around the x-axis?
Surface Area $\textcolor{red}{S = - 0.1637650055 \text{ }}$square unit
#### Explanation:
Given $y = \frac{1 - x}{{x}^{2} + 6 x + 9} \text{ }$ and $x = 0$ to $x = 3$
The formula for finding the surface area or revolu... | {} |
# Quotient Group of $\mathbb{Z}^4$ and a Lattice
I am working on problem 2 of the Rutgers 2017 Fall Algebra Qualifier where we are tasked with determining the structure of $\mathbb{Z}^4 /S$ where $S$ is the group generated by the vectors $(5,-2,-4,1)$, $(-5,4,4,1)$, $(0,6,0,6)$.
So the first thing I noted was that
$... | {} |
### 14.4.1.1 A double-integrator lattice
First consider the double integrator from Example 13.3. Let and . This models the motion of a free-floating particle in , as described in Section 13.3.2. The phase space is , and . Let . The coming ideas can be easily generalized to allow any acceleration bound by letting ; how... | {} |
# Volume of specials sets on sphere $S^N$
Suppose I'm given $m$ points $\{q_i\}$ on the sphere $S^N$. I want to get a lower/upper bound for the volume of the following sets with respect to uniform probability measure $\mathbb{P}$ on the sphere. Let $$A_i = \{ x \in S^N : (q_i,x) > (q_j,x) ~\forall j \neq i \}$$ Is the... | {} |
ClusterKernel-class: Definition of the ['ClusterKernel'] class
Description
This class defines a Kernel mixture Model (KMM).
Details
This class inherits from the [IClusterModel] class. A Kernel mixture model is a mixture model of the form:
f({x}|\boldsymbol{θ}) =∑_{k=1}^K p_k ∏_{j=1}^d φ(x_j;σ^2_{k}) \quad x \in {R... | {} |
# How do you find the average value of the function for f(x)=x^3, 0<=x<=2?
$2$
$\frac{1}{\textcolor{b l u e}{2} - \textcolor{b l u e}{0}} {\int}_{\textcolor{b l u e}{0}}^{\textcolor{b l u e}{2}} \setminus {x}^{3} \setminus \mathrm{dx} = \frac{1}{2} {\left[\frac{1}{4} {x}^{4}\right]}_{\textcolor{b l u e}{0}}^{\textcolo... | {} |
# Sigma Level Versus Process Capability Estimates
Article Revised: March 27, 2019
From the Lean Six Sigma Green Belt Forum on 6-sigma-training.com:
## Question
I am a little bit confused about the “process sigma level calculation” :
1. The lesson presents a first method based on the RTY : First we have to compute ... | {} |
# A group of students at a high school took a students who passed or faidel the exam is bro... following table. Determine whether gender ar... in dependent by filling out the bla in the se... probabilities to the nearest thousandth. Passed Failed Male 9 21 Female 48 2
Question
Describing quantitative data
A group of s... | {} |
# \printnoidxglossaries vs \printglossaries
I'm using texmaker on windows and have serious trouble to use glossaries properly using \printglossaries. After installing and reinstalling activeperl nothing has changed. whenever I try to output the glossaries nothing shows up.
So I'm using \printnoidxglossaries. Is that ... | {} |
How can I get the list of files in a directory using C or C++?
How can I determine the list of files in a directory from inside my C or C++ code?
I'm not allowed to execute the ls command and parse the results from within my program.
• This is a duplicate of 609236 Mar 4, 2009 at 20:35
• Dec 25, 2014 at 1:54
• @chri... | {} |
# Efficient Cryptographic Password Hardening Services From Partially Oblivious Commitments
### Abstract
Password authentication still constitutes the most widespread authentication concept on the Internet today, but the human incapability to memorize safe passwords has left this concept vulnerable to various attacks ... | {} |
Let cost of 1 litre milk be Re.1 Milk in 1 litre mixture in first can =
$$\frac{3}{4}litre$$
The cost price of 1 litre mixture in first can = Rs. $$\frac{3}{4}$$
In 1 litre mixture in second can = $$\frac{1}{2}litre$$
The cost price of 1 litre mixture in second can = $$Rs.\frac{1}{2}$$
In 1 litre of final mixture ... | {} |
# [OS X TeX] Hyphenation
Lindsay Stirton L.Stirton at uea.ac.uk
Tue Mar 13 17:47:56 CET 2007
```Hello,
I have been learning LaTeX on and off for about a year now--using it for
non-critical work, and gradually doing more and more writing on Carbon Emacs
and gwTeX. I am slowly figuring out how to do everything I need ... | {} |
new zealand power supply voltage 3 phase
The current Ih in towards the zero point becomes a phase current and accordingly a phase current will flow If = Ih through the windings. Wyeconnected systems have a neutral 4.2. Taking this one step further, high power loads are typically powered using three phases. New Zealand... | {} |
# Interpretation of residuals vs fitted plot
I am checking that I have met the assumptions for multiple regression using the built in diagnostics within R. I think that from my online research, the DV violates the assumption of homoscedasticity (please see the residuals vs fitted plot below).
I tried log transforming... | {} |
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