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# non-linear 2nd order differential
• Jan 13th 2010, 01:38 PM
harveyo
non-linear 2nd order differential
y'' + 2x (y')^2= 0
show the general solution, then find an explicit formula for a solution y(x), which also satisfies intial conditions y'(0) =1 and y (0) = 0
where to start?
• Jan 13th 2010, 02:09 PM
Chris L T521... | HuggingFaceTB/finemath | |
# Recitation 12
Section 12.5 Problem 12: Evaluate the triple integral. \iiint_E xy dV, where E is bounded by the parabolic cylinders y=x^2 and x=y^2 and the planes z=0 and z=x+y.
Comment: Denote the region on xy-plane bounded by y=x^2 and x=y^2 by L. We obtain \iiint_E xy dV = \iint_L xy(x+y)dA = \int_0^1\int_{x^2}^{... | HuggingFaceTB/finemath | |
# How do I calculate mean absolute error?
80 views (last 30 days)
studentmatlaber on 6 Apr 2022
Commented: David Hill on 7 Apr 2022
x_T = 0.3; y_T = 0.3;
A_T = 38:0.1:45;
for i_A = 1:length(A_T)
for i_file = meas
error_1(i_file,:) = sqrt((x_T_est1(i_file,:) - x_T).^2 + (y_T_est1(i_file,:) - y_T).^2);
end
end
Hello eve... | HuggingFaceTB/finemath | |
## The Conversion: 76cm in Inches
Looking to convert your measurements from centimeters to inches? Well, you’ve come to the right place! Whether you’re trying to figure out what size 76cm corresponds to or simply need to convert 82cm to inches, we’ve got you covered. In this blog post, we’ll walk you through the conve... | HuggingFaceTB/finemath | |
Understanding Electrical Circuits
What is electricity?
Inside an atom there are 3 things, a proton, a neutron and a electron. An electron orbits around the protons and neutrons and when there is enough electrical energy, the electrons can escape from their orbit and move in a path, this is how electricity is created.... | HuggingFaceTB/finemath | |
# पृष्ठम्:गणितसारसङ्ग्रहः॒रङ्गाचार्येणानूदितः॒१९१२.djvu/३१४
एतत् पृष्ठम् परिष्कृतम् अस्ति
118
GAŅITASĀRASAŃGRAHA.
with which the least remainder in the odd position of order (in the above-mentioned process of successive division ) is to be multiplied; and (then put down) below (this again) this product increased or d... | HuggingFaceTB/finemath | |
## Archive for August, 2007
### Exercise 9.12
Thursday, August 9th, 2007
Instances where we can curry and convert anonymous functions to sections are easy to find, for example from Exercise 5.5:
doubleEach'' :: [Int] -> [Int] doubleEach'' = map (*2)
### Exercise 9.11
Thursday, August 9th, 2007
map f (map g xs) ... | HuggingFaceTB/finemath | |
# Know Your Numbers: What's One More?
In this worksheet, students identify one number more than the given number (from a range between 0 and 100).
Key stage: KS 1
Curriculum topic: Number: Number and Place Value
Curriculum subtopic: Identify One More/One Less
Difficulty level:
### QUESTION 1 of 10
This work... | HuggingFaceTB/finemath | |
# What is the factor of 25x 2 9?
## What is the factor of 25x 2 9?
0:030:35Factor 25x^2 - 9 - YouTubeYouTubeStart of suggested clipEnd of suggested clipBack together we end up 25 x squared +. 15 X minus 15 X minus 9 which is 25 x squared minus 9MoreBack together we end up 25 x squared +. 15 X minus 15 X minus 9 which... | HuggingFaceTB/finemath | |
# Monte Carlo Simulator – Part 2
This article contains detailed information concerning the online Monte Carlo inventory management simulator which can be accessed by clicking on the “Simulator” tab in the menu at the top of the page. In parts of this article, it will be assumed that the reader has some knowledge of st... | HuggingFaceTB/finemath | |
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Analyzing estimated demand function
This content was STOLEN from BrainMass.com - View the original, and get the already-completed solution here!
The economic analysis division of Mapco Enterprises estimated the demand function for its line of weed trimmers as
Qd = 18,000 + 0.4N - 350Pm + 90P... | HuggingFaceTB/finemath | |
+0
# If \$60\%\$ of \$x\$ is \$22\$, then what is \$45\%\$ of \$x\$?
0
40
1
+252
If 60% of x is 22, then what is 45% of x?
Mar 12, 2021
### 1+0 Answers
#1
+2197
+1
0.6x=22
x=22/0.6=36 2/3
36 2/3 times 0.45 is 16.5
Mar 12, 2021 | HuggingFaceTB/finemath | |
# Search Printable 1st Grade Mixed Operation Worksheets
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15 filtered results
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Math Fact: Relationship Between Addition & Subtraction
Worksheet
Math Fact: Relationship Between Addition & Subtraction
Help children make the connection between addition and subtraction with this a... | HuggingFaceTB/finemath | |
## Basic Mathematics
3.1 INTRODUCTION
Most calculations required by wastewater operators and engineers (as with many others) start with the basics, such as addition, subtraction, multiplication, division, and sequence of operations. Although many of the operations are fundamental tools within each operator's toolbox,... | HuggingFaceTB/finemath | |
## How do you calculate boundary work?
Boundary work is evaluated by integrating the force F multiplied by the incremental distance moved dx between an initial state (1) to a final state (2). We normally deal with a piston-cylinder device, thus the force can be replaced by the piston area A multiplied by the pressure ... | HuggingFaceTB/finemath | |
### ch_egor's blog
By ch_egor, 6 weeks ago, translation,
Thanks for the participation!
1539A - Contest Start was authored and prepared by grphil
1539B - Love Song was authored by jury and prepared by _tryhard
1539C - Stable Groups was authored by Artyom123 and prepared by Artyom123 and shishin
1539D - PriceFixed ... | HuggingFaceTB/finemath | |
# The Tutor's Guide, Being a Complete System of Arithmetic: With Various Branches in the Mathematics ... to which is Added, an Appendix, Containing Different Forms of Acquittances, Bills of Exchange Etcetera ...
J. Crukshank, 1806 - 320 sider
### Hva folk mener -Skriv en omtale
Vi har ikke funnet noen omtaler på noe... | HuggingFaceTB/finemath | |
NCERT Exemplar Class 7 Maths Chapter 6 Triangles
In this chapter, we provide NCERT Exemplar Problems Solutions for Class 7 Maths Chapter 6 Triangles for English medium students, Which will very helpful for every student in their exams. Students can download the latest NCERT Exemplar Problems Solutions for Class 7 Math... | open-web-math/open-web-math | |
# Problem/Question
• Oct 5th 2012, 10:02 AM
megalex
Problem/Question
John opens a store, he has 20 clients, all of the clients are younger than 70 and they all have a different age.
John sees that there's a same age difference 4 times.
Prove that this always will happen.
I really don't know how I could prove this, do... | HuggingFaceTB/finemath | |
# Elliptic curve reduction modulo $p$
While reading an introduction on elliptic curves, I stumbled upon something called reduction modulo $p$.
The definition states that we want to create a group homomorphism that maps an elliptic curve on the rational field to the integers modulo a prime $p$, i.e.: $$E(\mathbb{Q}) \... | HuggingFaceTB/finemath | |
# Output is Input for a Differential with Sign?
Here's the problem:
For one of my classes, we're supposed to use Mathematica to solve the equation y''=y-b*y' for a variety of b values and specified boundary conditions and plot the outputs. There I have no problem and Mathematica runs well. However, the next problem i... | open-web-math/open-web-math | |
# Introduction MCQ Quiz in मराठी - Objective Question with Answer for Introduction - मोफत PDF डाउनलोड करा
Last updated on Oct 27, 2022
पाईये Introduction उत्तरे आणि तपशीलवार उपायांसह एकाधिक निवड प्रश्न (MCQ क्विझ). हे मोफत डाउनलोड करा Introduction एमसीक्यू क्विझ पीडीएफ आणि बँकिंग, एसएससी, रेल्वे, यूपीएससी, स्टेट पीएस... | HuggingFaceTB/finemath | |
1. Chapter 4 Class 12 Determinants (Term 1)
2. Concept wise
3. Equation of line using determinant
Transcript
Ex 4.3, 4 (i) Find equation of line joining (1, 2) and (3, 6) using determinants Let L be the line joining the points (1, 2) & (3, 6) Let (x, y) be the third point on line Since all the there point lie on the ... | HuggingFaceTB/finemath | |
Calculate chances of getting a confirmed ticket by analyzing booking and cancellation history
In India, every day millions of passengers travel by Indian railways. Passengers book their tickets and due to the sheer volume of passengers, the tickets get over very soon. Railways has a system of a issuing a Waitlisted ti... | HuggingFaceTB/finemath | |
# Longest Sublist with K Distinct Numbers - Amazon Top Interview Questions
### Problem Statement :
```Given an integer k and a list of integers nums, return the length of the longest sublist that contains at most k distinct integers.
Constraints
0 ≤ k ≤ n ≤ 100,000 where n is the length of nums
Example 1
Input
k... | HuggingFaceTB/finemath | |
# impedance of circuit?
Discussion in 'Homework Help' started by kerny, Jun 10, 2011.
1. ### kerny Thread Starter New Member
Apr 16, 2011
6
0
Hi
i have the following circuit and im not sure how to find the total impedance of it.
http://i.imgur.com/r9Cn0.jpg
The two sources are AC and I have the power equation
P =... | HuggingFaceTB/finemath | |
# A solid disk, spinning counter-clockwise, has a mass of 15 kg and a radius of 4 m. If a point on the edge of the disk is moving at 7 m/s in the direction perpendicular to the disk's radius, what is the disk's angular momentum and velocity?
Jan 22, 2017
The angular momentum is $= 1320 k g m {s}^{- 1}$
The angular ve... | HuggingFaceTB/finemath | |
# Epsilon Convergence Proof
Printable View
• Sep 15th 2010, 09:30 PM
DavyHilbert
Epsilon Convergence Proof
Prove that the sequence sum(i=1 --> n) 1/(10^i) converges.
I'm pretty sure it converges to 1/9 but how to we get there by fixing epsilon?
• Sep 15th 2010, 10:50 PM
Prove It
I'm not sure what you mean by "epsilo... | HuggingFaceTB/finemath | |
# Hilbert-Curvify a Matrix
Inspired by this question
Another way to unroll a 2D image into a 1D string is to use an Hilbert Curve.
There are many version of this curve, depending on the number of iterations used while computing it. Below follow example of Hilbert Curves from first order to fifth order. The way of co... | HuggingFaceTB/finemath | |
# Determine the coordinates of points along which the ends A (1, -3), B (4.3) divided into three equal parts.
sciencesolve | Certified Educator
You need to divide the length of segment AB into three equal parts, hence, you need to find the length of the segment AB using distance equation such that:
`AB = sqrt((x_B -... | HuggingFaceTB/finemath | |
# Yahoo Web Search
1. ### Calculate r sub u X r sub v and || r sub u X r sub v|| for both of the following parametrizations:?
a) r _u = <1, 0, f_u> r _v = <0, 1, f_v>. So, r _u x r _v |i...b) r _u = <- R sin u sin v, 0, 0> r _v = < R cos u cos v, 0, - R sin v>...
1 Answers · Science & Mathematics · 28/05/2015
2. ##... | HuggingFaceTB/finemath | |
#### Find the area of the region $y=\sqrt x$ bounded by and y = x.
\begin{aligned} &y=\sqrt{x}\\ &\text { squaring both sides }\\ &\Rightarrow y^{2}=x \end{aligned} \\
This is a parabola, no negative values of x, therefore it lies on the right of Y axis passing through origin.
Now $y=\sqrt{x}$ means y and x b... | HuggingFaceTB/finemath | |
# Search by Topic
#### Resources tagged with Dynamical systems similar to Modulus Arithmetic and a Solution to Dirisibly Yours:
Filter by: Content type:
Stage:
Challenge level:
### There are 15 results
Broad Topics > Sequences, Functions and Graphs > Dynamical systems
### Whole Number Dynamics IV
##### Stage: 4 a... | HuggingFaceTB/finemath | |
A person is on the outer edge of a carousel with a radius of 20 feet that is rotating counterclockwise around a point that is centered at the origin. What is the exact value of the position of the rider after the carousel rotates 5pi/12 radians?
a. {5[sqrt(2)-sqrt(6)], 5[sqrt(2)+sqrt(6)]}
b. {5[sqrt(2)+sqrt(6)], 5[-sq... | HuggingFaceTB/finemath | |
Also, what is the value of 1 cent? currently 100 cent is same to 1 USD. At existing INR is hovering approximately 64–66 selection for one USD. So, 1 cent is approximately 0.64–0.66 INR or in various other word, 1 cent is equal to INR value the one dissension in paisa. One united state dollar is same to 100 cents.
You ... | HuggingFaceTB/finemath | |
## 6.6 Exercises
The following exercises are based on the corresponding chapters of the ds4psy book :
### Part A: Transforming tables (dplyr)
Exercises based on Chapter 3: Transforming data on the dplyr package :
Exercise 1
Exercise 2
Exercise 3
Exercise 5
Exercise 6
### Part B: Reshaping tables (tidyr)
Exerc... | HuggingFaceTB/finemath | |
Question
Evaluating & Measuring Fitness
# What is a healthy weight for my height?
• BMI is a great tool for measuring healthy weight to height in most people but I wanted to add another thing.
The better in shape you get and the closer you get to your weight goal I would advice finding a reputable fitness professio... | HuggingFaceTB/finemath | |
# Thread: Identity proof
1. ## Identity proof
Hello,
I am having trouble simplifying this identity [cos4x= 2cos^2 2x-1]. I thought I could solve it with the double angle identity, but the 2x seems to be getting in the way. Can I remove the 2x and multiply it by the identity cos2x?
2. Originally Posted by Sedgewick1... | HuggingFaceTB/finemath | |
### Home > CC3 > Chapter 3 > Lesson 3.2.5 > Problem3-115
3-115.
Louis recorded how many times he could jump rope without stopping. Here is his data:
$50\ \ 15\ \ 102\ \ \ 64\ \ 29\ \ 55\ \ 100\ \ 97\ \ 48\ \ 81\ \ 61$
Find the median, upper quartile, and lower quartile of his data.
Arrange the data in ascending ... | HuggingFaceTB/finemath | |
View more editions
# Electric Machinery Fundamentals (5th Edition)Solutions for Chapter 3
• 182 step-by-step solutions
• Solved by publishers, professors & experts
• iOS, Android, & web
Looking for the textbook?
Over 90% of students who use Chegg Study report better grades.
May 2015 Survey of Chegg Study Users
Chapte... | HuggingFaceTB/finemath | |
BrainDen.com - Brain Teasers
• 0
## Question
My friend who owns a farm near Dallas had five droves of animals on his farm consisting of cows, sheep and pigs with the same number of animals in each drove. One day he sold them all to eight dealers. Each of the eight dealers bought the same number of animals and paid at... | HuggingFaceTB/finemath | |
# Countifs Multiple Criteria in Microsoft Excel
To count based on multiple criteria we use COUNTIFS function in Microsoft Excel.
Excel function COUNTIFS is used to count the entries in multiple ranges and with multiple criteria.
To sum based on multiple criteria we use te Sumifs function in Microsoft Excel.
SUMIF... | HuggingFaceTB/finemath | |
# Rounding and Estimation, Day 1
8 teachers like this lesson
Print Lesson
## Objective
Students Will Be Able To Round 4 digit numbers to the nearest 1000s and use estimation to check sums, differences, and products.
#### Big Idea
Rounding and Estimation are quick and easy methods for checking your work!
## Langua... | HuggingFaceTB/finemath | |
# ch23 - The Electric Field Chapter Outline ENGINEERING...
This preview shows page 1. Sign up to view the full content.
This is the end of the preview. Sign up to access the rest of the document.
Unformatted text preview: The Electric Field Chapter Outline ENGINEERING PHYSICS II The Electric Field of Point Charges P... | HuggingFaceTB/finemath | |
# Algebra
posted by .
Divide:
(25b^3+5b^2+34b+29)/(5b+3)
• Algebra -
You would use long division for polynomials, very similar to the long division for numbers.
Each digit in the long division will be replaced by the coefficient of the powers of b.
(25b^3+5b^2+34b+29)
Dividing by 5b+3,
gives the first "digit" of... | HuggingFaceTB/finemath | |
Q
# Suppose that the division N ÷ 5 leaves a remainder of 4, and the division N ÷ 2 leaves a remainder of 1. What must be the one’s digit of N?
Q3. Suppose that the division leaves a remainder of 4, and the division leaves a remainder of 1. What must be the one’s digit of N?
Views
Since N leaves the remainder of 4 ... | HuggingFaceTB/finemath | |
## Precalculus (6th Edition) Blitzer
Let us consider the left side of the given expression: $\cos \frac{\pi }{2}\cos \frac{\pi }{3}$ Now, put the values of the trigonometric functions to find the exact value as shown below: \begin{align} & \cos \frac{\pi }{2}\cos \frac{\pi }{3}=0\cdot \frac{1}{2} \\ & =0 \end{align} A... | HuggingFaceTB/finemath | |
# Find an explicit bijection between the spaces of sequences of $\{0, 1, 2, 3, 4, 5\}$ of sequences of $\{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11\}$.
We know there is a bijection between these two space. We even know there is a topological conjugacy if we consider adding machines on them. But I would like to see an expli... | open-web-math/open-web-math | |
Is 8 tbsp half a cup of butter?
When it comes to baking and cooking, measuring ingredients accurately is crucial for achieving the desired results. One of the most commonly used ingredients is butter, which can be measured in various ways including cups, tablespoons, grams, and ounces. So an important question that of... | HuggingFaceTB/finemath | |
alg 2
find the foci of the ellipse
(x+5)^2/4+(y-1)^2/16=1
1. 👍
2. 👎
3. 👁
1. The major axis is the y = 1 line and the semimajor axis length is a = sqrt16 = 4. The minor axis is along the x = -5 line and the semiminor axis length is b = sqrt 4 = 2.
The center of the ellipse is at x = -5, y = 1. The foci are displa... | HuggingFaceTB/finemath | |
# calculus
posted by .
Find the arc length of the graph of the function over the indicated interval. (Round your answer to three decimal places.)
y = ln (sin(x))
,[π/4,3π/4]
• calculus -
y = ln sinx
y' = 1/sinx * cosx = tanx
s = Int(sqrt(1+(y')^2)dx)[pi/4,3pi/4]
= Int(sqrt(1+tan^2(x))dx)[pi/4,3pi/4=
= Int(secx dx)... | HuggingFaceTB/finemath | |
Technical | 2021-09-17
# How to solve a 40-year-old riddle with a few lines of code
Bring light into your math problems by modeling them and letting a solver do the heavy lifting. In this blog post we will show you a clever way to solve a riddle. For that end, we will model it as a satisfiability modulo theories (SMT... | HuggingFaceTB/finemath | |
# What number is the universal number?
The universal number is four because four is four. Ten is three because it has three letters in the word, three is five because it has five letters in the word and so on until reaching four.
## Why is 9 a universal number?
A group of nine of anything is called an ennead. In bas... | HuggingFaceTB/finemath | |
# 2Minute GMAT
## Posts Tagged ‘gmat quantitative’
### Algebra Math GMAT Question Advice
Here is some advice for Algeba Math GMAT Questions: In a typical Price-Quantity problem, you have two relationships. The quantities sum to a total, and the monetary values sum to a total.
### Tips For GMAT Computer Test Taking
... | HuggingFaceTB/finemath | |
# Vector space - Prove or disprove
• MHB
• mathmari
In summary, the author has proved that the set $\{f\in \mathbb{R}^{\mathbb{R}} \mid \exists x\in \mathbb{R} : f(x)=0_{\mathbb{R}}\}$ is not a subspace of $\mathbb{R}^{\mathbb{R}}$.
mathmari
Gold Member
MHB
Hey!
Let $1\leq n\in \mathbb{N}$ and let $U_1, U_2$ be subsp... | HuggingFaceTB/finemath | |
## Complex Roots
Suppose $z = a+bi$ and $w = u+iv$ and $a= \left(\frac{|w|+u}{2} \right)^{1/2}$ and $b = \left( \frac{|w|-u}{2} \right)^{1/2}$. Prove that $z^2 = w$ if $v \geq 0$ and that $(\bar{z})^{2} =w$ if $v \leq 0$. So every complex number has two complex roots with one exception.
So $z^2 = (a,b)(a,b) = (a^2-b^... | HuggingFaceTB/finemath | |
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.
Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
A013936 a(n) = Sum_{k=1..n} floor(n/k^2). 11
1, 2, 3, 5, 6, 7, 8, 10, 12, 13, 14, 16, 17, 18, 19, 22, 23, 25, 26, 28, 29, 30, 31, 33, ... | HuggingFaceTB/finemath | |
# Constructions
Suki Tekverk, a summer intern, spent the last two weeks here studying APL. She will be a high school senior next September and is adept in math, so in addition to APL we also considered some math problems, proofs, and proof techniques, including the following:
Given line segments `x` and `y`, construc... | HuggingFaceTB/finemath | |
# Basic statistics concepts
Basic statistics concepts, The Z value is a measure of standard deviation, or how far the observed value deviates from the mean. For example, the value of z value = +1.8 indicates that the observed value is +1.8 standard deviations from the mean.
Probabilities are represented by p-values. ... | HuggingFaceTB/finemath | |
# MATH 1100-001 REVIEW PROBLEMS FOR EXAM 2 MATH 1100-001 REVIEW PROBLEMS FOR EXAM 2 Note:. Exam 2 will cover sections 9.8, 9.9, and 10.1 through 10.5 of the text, and will be on Wednesday, October 28. On the exam you will be allowed one side of a 8.5 by 11 inch sheet of notes. Calculators and other electronic devices a... | HuggingFaceTB/finemath | |
# 4-sinf matematika 1-chorak 1-variant
Sana 08.11.2019 Hajmi 108 Kb. #25409
Bog'liq
matematika test 4-sinf(1)
Axborot logistikasi, Иктисодиёт назарияси китоб, Иктисодиёт назарияси китоб, ENGLISH AS A GLOBAL LANGUAGE, O`zbekiston yoshlar itifoqi stipendiyasi anketasi, monitoring 7, XIII, Максудов Азизбек СППвремени, i... | HuggingFaceTB/finemath | |
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# Design elements - Trigonometric functions
## Design elements - Trigonometric functions
The vector stencils library "Trigonometric functions" contains 8 shapes of trigonometrical and inverse trigonometr... | HuggingFaceTB/finemath | |
## College Physics (4th Edition)
Published by McGraw-Hill Education
# Chapter 26 - Problems - Page 1010: 23
#### Answer
The distance traveled in the lab frame is 6.0 km
#### Work Step by Step
We can find the distance traveled according to the muon: $L = v~t$ $L = (0.994)(3.0\times 10^8~m/s)(2.2\times 10^{-6}~s)$ ... | HuggingFaceTB/finemath | |
Applied Statics, Strength of Materials, and Building Structure Design (1st Edition) View more editions Solutions for Chapter 12
• 301 step-by-step solutions
• Solved by publishers, professors & experts
• iOS, Android, & web
Over 90% of students who use Chegg Study report better grades.
May 2015 Survey of Chegg Study U... | HuggingFaceTB/finemath | |
## Calorimeter
Connie2I
Posts: 29
Joined: Fri Sep 29, 2017 7:07 am
### Calorimeter
When calorimeter is mentioned in the question, does it give you a hint as to which equation to use? If so, then how?
Vincent Tse 1K
Posts: 30
Joined: Fri Sep 29, 2017 7:05 am
Been upvoted: 1 time
### Re: Calorimeter
Um, what proble... | HuggingFaceTB/finemath | |
# GSEB Class 8 Maths Notes Chapter 8 Comparing Quantities
This GSEB Class 8 Maths Notes Chapter 8 Comparing Quantities covers all the important topics and concepts as mentioned in the chapter.
## Comparing Quantities Class 8 GSEB Notes
→ Ratio: It is comparision of two quantities of similar kind with the help of div... | HuggingFaceTB/finemath | |
# Understanding true vs apparent wind
Here is an easy description of true wind and apparent wind. Put you hand outside the window of your car traveling at 60 miles per hour on a still day and your hand will feel a 60 mile per hour wind. That’s apparent wind yet the true wind is zero. What if the car was driving into a... | HuggingFaceTB/finemath | |
Problem
A wire 50 inches long is cut into two pieces. One piece is bent into a circle; the other, into a square. Where should the wire be cut to minimize the sum of the areas of the two shapes?
Solution
Suppose the cut gives x inches to the circle and 50 – x inches for the square. Then we can compute the areas of the s... | HuggingFaceTB/finemath | |
# Graph Theory - Spanning trees
1. Mar 25, 2012
### Gh0stZA
Hi everyone,
Any help would be appreciated.
2. Mar 25, 2012
### Max.Planck
This is what you need to prove:
1. F is a subgraph of every ST of G implies F contains no cycles
and
2. F contains no cycles implies F is a subgraph of every ST of G
You can ... | HuggingFaceTB/finemath | |
12 terms
# PreCalculus 1.3 Analyzing the 12 Basic Functions
###### PLAY
Identity
Equation: ƒ(x)=x
Domain: (-∞,∞)
Range: (-∞,∞)
Continuous: Yes
Increasing intervals: (-∞,∞)
Decreasing intervals; N/A
Symmetry: Even
Boundedness: not bounded
Local/Absolute extrema: N/A
Aysmptote: N/A
End Behavior: lim x→ - ∞f(x)=-∞
limx→... | HuggingFaceTB/finemath | |
Open In App
# Count total ways to reach destination from source in an undirected Graph
Given an undirected graph, a source vertex ‘s’ and a destination vertex ‘d’, the task is to count the total paths from the given ‘s’ to ‘d’.
Examples
Input: s = 1, d = 4
Output:
Explanation:
Below are the 2 paths from 1 to 4
1 -... | HuggingFaceTB/finemath | |
# Q&A: Artificial Gravity in Science Fiction
Question: I’ve enjoyed your last few posts about artificial gravity. I’m also a big fan of the Gravitron at our local amusement park. šĀ What I’m wondering about is all these sci-fi shows where the artificial gravity is somehow directly generated by advanced technology.... | HuggingFaceTB/finemath | |
## Engage NY Eureka Math 7th Grade Module 1 Lesson 2 Answer Key
### Eureka Math Grade 7 Module 1 Lesson 2 Example Answer Key
Example 1.
Pay by the Ounce Frozen Yogurt
The purpose of this example is for students to understand when measures of one quantity are proportional to measures of another quantity.
A new self-se... | HuggingFaceTB/finemath | |
Lesson Video: Dividing Decimals by Powers of Ten | Nagwa Lesson Video: Dividing Decimals by Powers of Ten | Nagwa
# Lesson Video: Dividing Decimals by Powers of Ten Mathematics • 5th Grade
In this video, we will learn how to use patterns to investigate the effects of dividing numbers by increasing and decreasing powe... | HuggingFaceTB/finemath | |
# Block and wedge problem -- Where am I going wrong?
• NTesla
NTesla
Homework Statement
Kindly see the attached pic for the Question. I'm solving part b of the question.
Relevant Equations
F = ma
This question is from the book Kleppner and Kolenkow Q 3.8:
___________________________________
My attempt is posted here:... | HuggingFaceTB/finemath | |
# What mass of Mg(NO_3)_2 is present in 145 mL of a .150 M solution of Mg(NO_3)_2?
Jan 30, 2017
$\text{3.23 g}$
#### Explanation:
The idea here is that you need to use the molarity and volume of the solution to figure out how many moles of magnesium nitrate, "Mg"("NO"_3)_2, you have in that sample.
To do that, use... | HuggingFaceTB/finemath | |
Derivatives by formula - sin & cos
Chapter 12 Class 11 Limits and Derivatives
Concept wise
This video is only available for Teachoo black users
Learn in your speed, with individual attention - Teachoo Maths 1-on-1 Class
### Transcript
Misc 24 Find the derivative of the following functions (it is to be understood t... | HuggingFaceTB/finemath | |
# Math
posted by .
In the equation (8a^5)/b, how would you bring the b to the numerator and get rid of it in the denominator?
• Math -
I don't see an equation, just an expression.
8a^5/b = 8 a^5 b^-1
## Similar Questions
1. ### Algebra
Solve Rational Inequalities x^2-x-2/x^2+5x+6<0 I cant figure this out. Pleas... | HuggingFaceTB/finemath | |
# If $f$ is continuous at $(0,0)$, is $g(x) := f(x, \sin x)$ continuous at $0$?
If $f$ is continuous at $(0,0)$, is $g(x) := f(x, \sin x)$ continuous at $0$?
Intuitively this seems true because as you approach 0 the $\sin$ function also approaches 0 from both sides. Any push on how to prove this would be appreciated!... | HuggingFaceTB/finemath | |
0. 1. Any dynamical system may have no, one or several equilibrium points, each of which Computationally, stability classification tells us the sensitivity (or lack Let us now determine whether or not these equilibrium points are stable to small displacements. The points (0,0) and (1,1) are equilibrium points of the sy... | HuggingFaceTB/finemath | |
# How to Share a Secret (Diffie-Hellman-Merkle)
Diffie-Hellman-Merkle is a way to share a secret key with someone (or something) without actually sending them the key. Before we look into how we share keys let’s first look into what keys are and why we would want to invent a method to share keys without giving the ot... | HuggingFaceTB/finemath | |
# What is 126/137 as a decimal?
There are different ways to represent the same number: fractions, decimals, and even percentages. In this particular guide, let’s explore how we can use the division method to convert 126/137 to a decimal.
## Solution: 126/137 as a decimal is 0.92
Methods
### Explanation using the di... | HuggingFaceTB/finemath | |
# Example of cover (of a set) having finite sub-covers in collection.
• experimentX
If it were finite, it would have a greatest member, and you could use that to show that (0,1] is compact. So you've shown that (0,1] is compact, but you didn't mean to; you meant to show that [0,1] is compact.)In summary, the concept o... | HuggingFaceTB/finemath | |
# Thread: for some reason I cant figure out this derivative :
1. ## for some reason I cant figure out this derivative :
heres the problem : d/dx (4x^4 -2x)/4x^4 + 2x)
and heres my work, let me know if you see something wrong. a * means multiply.
= 4x^4-2x * (4x^4+2x)^-1
= 16x^3-2 * (4x^4+2x)^-1 + 16x^3+2 * -(4x^4+2... | HuggingFaceTB/finemath | |
# ratio/proportions
posted by on .
a geologist found that silt was deposited on a river bed at the rate of 4cm every 170 years , how long would it take for 5 cm of silt how long would it to be deposited ???? plz helpp
• ratio/proportions - ,
4/170 = 5/x
Cross multiply and solve for x.
• ratio/proportions - ,
I g... | HuggingFaceTB/finemath | |
# Lesson Explainer: The Power of a Point Theorem Mathematics
In this explainer, we will learn how to find the power of a point with respect to a circle.
In plane geometry, we often encounter problems dealing with lengths of line segments involving circles. Many of the tools used to solve these types of problems are r... | HuggingFaceTB/finemath | |
# What is a O(n) algorithm to solve this puzzle?
We are going to hold a meeting where everybody will speak in clockwise direction around a table. There are n people with n spots. Each person has a position preference (e.g. some want to go first, some last, etc). Everyone is seated randomly and cannot move from their p... | HuggingFaceTB/finemath | |
#### Measurement Practice Problems
1. Complete the following table
SYMBOL Fundamental Quantity Capacity Unit Preferred Metric Unit of Density Units of derived quantities m length m2 area m3 cubic volume mL volume capacity volume L volume capacity volume g mass kg g/L density kg/m3 preferred density unit density
2.... | HuggingFaceTB/finemath | |
Metamath Proof Explorer < Previous Next > Nearby theorems Mirrors > Home > MPE Home > Th. List > eucalgval Structured version Visualization version GIF version
Theorem eucalgval 15133
Description: Euclid's Algorithm eucalg 15138 computes the greatest common divisor of two nonnegative integers by repeate... | HuggingFaceTB/finemath | |
Compact Sets in Topological Space
# Compact Sets in Topological Space
Definition: Let $E$ be a topological space and let $A \subseteq E$. An Open Cover of $A$ is a collection of open sets whose union contains $A$. $A$ is said to be Compact if for every open cover of $A$ there is a finite subcollection that still cov... | open-web-math/open-web-math | |
# Day 10: Binary Numbers In Java | 30 Days Of Code | Hackerrank Programming Solutions
Hello Programmers/Coders, Today we are going to share solutions of Programming problems of 30 Days Of Code, HackerRank. At Each Problem with Successful submission with all Test Cases Passed, you will get an score or marks. And after ... | HuggingFaceTB/finemath | |
# Question: Which Letter Has The Most Lines Of Symmetry?
## How many lines of symmetry does number 2 have?
2 has no symmetry.
3 has one horizontal line of symmetry if you draw the top and bottom equal sized, but no rotational symmetry..
## How many letters are symmetrical?
11 lettersGeneral Discussion. Bunuel wrot... | HuggingFaceTB/finemath | |
# Ball height reached when rolling on inclines - rough or smooth
1. Feb 10, 2006
### Bonulo
I've been presented with the following problems:
SITUATION:
A ball is rolling without slipping with velocity $v$ on a horizontal surface. It reaches an incline, which forms an angle $\theta$ with the horizontal. In which sit... | HuggingFaceTB/finemath | |
# How to Calculate Nth Root in Excel
If you are familiar with Excel, you might have used many different built-in functions to get results easily, quickly and efficiently. You might have come across a number of mathematical functions too including AVERAGE, LCM, QUOTIENT, GCD, PRODUCT, SUM, POWER, SQRT and so on. Have y... | HuggingFaceTB/finemath | |
Thursday, January 30, 2014
War is Mostly in the Error Term, But That's Okay
Erik Gartzke's 1999 article "War is in the Error Term" is often described as a critique of Fearon 1995's "Rationalist Explanations for War". I'm not sure where this interpretation came from, because the article itself argues (appropriately) t... | open-web-math/open-web-math | |
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# Worksheet: Applications of Exponential Decay
Q1:
Hannah and Mason are playing a game where they roll 6-sided dice, and then they remove all the dice showing a 1. Then they roll the remaining dice and remov... | HuggingFaceTB/finemath | |
# On some number-theoretic properties of right triangles (Project Euler 218)
The two hundred and eighteenth problem of Project Euler is quite interesting, but different. It resembles more closely a mathematics olympiad problem than a programming challenge. Its answer is somewhat surprising, too.
### Original problem
... | HuggingFaceTB/finemath | |
Ask a New Question
# Is(0,3) a solution to the equation y=x+3
A. Yes
B. No***
Is (1,4) a solution to the equation y= -2x
A. Yes***
B. No
Look at the following points
(4,0) (3,1) (6,3) (2,-4)
Which are the solutions to y= x-4? Choose all the correct answers
A.(6,3)
B.(4,0)***
C.(3,-1)
D.(2,-4)***
1. 👍
2. 👎
3. 👁
4.... | HuggingFaceTB/finemath | |
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Nov 9 comment Find formula for transformation from $R^3$ to equation of line Can you tell me clearer please :) Nov 9 accepted Find b... | HuggingFaceTB/finemath | |
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### Vector Interpretation of Complex Numbers
Here's how Fig.5.1 may be generated in matlab:
```>> x = [2 3]; % coordinates of x
>> origin = [0 0]; % coordinates of the origin
>> xcoords = [origin(1)... | HuggingFaceTB/finemath |
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