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# aig math
posted by on .
When 306 stamps were shared among Pat, Kyle, and Ryan, Pat got twice as many stamps as what Kyle and Ryan got together. If Kyle got 18 stamps more than Ryan, how many stamps did Ryan get? Don't forget to show your work.
• aig math - ,
Pat= x , Kyle= y, Ryan= z
x+y+z= 306
2x= y+z
z+18=y
... | HuggingFaceTB/finemath | |
# Relativity and Cosmology
This is a Blog on relativity and cosmology for engineers and the like. My website "Relativity-4-Engineers" has more in-depth stuff.
Comments/questions of a general nature should preferably be posted to the FAQ section of this Blog (http://cr4.globalspec.com/blogentry/316/Relativity-Cosmolog... | HuggingFaceTB/finemath | |
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# Capacitor Problem
## Homework Statement
The potential across a 3uF capacitor is 12V when it is not connected to anything. It is then conntected in parallel with an uncharged 6uF capacitor. At equilibrium, the charge q on the 3uF capacitor and the potential difference V across it are
a)q=12uC, V=4V b)q=24uC, V=8V
c)... | HuggingFaceTB/finemath | |
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### GMAT Club Daily Prep
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### Motion in a straight line NCERT Solutions Class 11 Physics - Solved Exercise Question 3.25
Question 3.25
On a long horizontally moving belt (Fig. 3.26), a child runs to and fro with a speed 9 km h-1 (with respect to the belt) between his father and mother located 50 m apart on the moving belt. The belt ... | HuggingFaceTB/finemath | |
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Statistics symbols sample proportion
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Files in category: 131
sample statistics symbols proportion
coolpix 3100 manual
grant report sample
Samples Y 8 PS 2. 1 q p. Statistical investigation: Levels (7), (8).? ? ? From that sample mean, we can infer things about th... | HuggingFaceTB/finemath | |
## How do you calculate the energy of a photon?
Calculate the Energy of a Photon Therefore, sometimes this energy equation is referred to as Planck’s equation. Another form of Planck’s equation uses the simple relationship that c = λ f, where λ is the wavelength of the photon, and c is the speed of light, which is a c... | HuggingFaceTB/finemath | |
# puzzles quantitative aptitude test
## Online aptitude test questions and answers for company exam
Question 291 ->Click on any option to know the correct answers (सही उत्तर जानने के लिए किसी भी Choice पर क्लिक करें)
In a certain corporation, there are 1230 male employees and 270 female employees. It is known that 1... | HuggingFaceTB/finemath | |
# Find the volume of a right rectangular prism with fractional edge lengths by packing it with unit cubes of the appropriate unit fraction edge lengths, and show that the volume is the same as would be found by multiplying the edge lengths of the prism. Apply the formulas V = l w h and V = b h to find volumes of right ... | HuggingFaceTB/finemath | |
# G-double-sharp minor 6th chord
The Solution below shows the G-double-sharp minor 6th chord in root position, 1st, 2nd, and 3rd inversions, on the piano, treble clef and bass clef.
The Lesson steps then explain how to construct this 6th chord using the 3rd, 5th and 6th note intervals, then finally how to construct t... | HuggingFaceTB/finemath | |
# Red and Blue
A problem from the 1996-1997 Estonian Mathematical Olympiad:
A square tabletop measures 3n × 3n. Each unit square is either red or blue. Each red square that doesn’t lie at the edge of the table has exactly five blue squares among its eight neighbors. Each blue square that doesn’t lie at the edge of th... | HuggingFaceTB/finemath | |
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Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
A190147 Decimal expansion of Sum{k=1..infinity}(1/Sum{j=1..k} j^j’), where n’ is the arithmetic derivative of n. 5
%I
%S 1,5,0,7,8,1,... | HuggingFaceTB/finemath | |
# What is the probability that the center of a odd sided regular polygon lies inside a triangle formed by the vertices of the polygon?
Three distinct vertices are choose at random from the vertices of a given regular polygon of $2n+1$ sides. Each of those three vertices will determine a triangle. What is the probabili... | HuggingFaceTB/finemath | |
1. ## continuity
a is a real number.
f:R--->R, f(x)= 2x+a,x>=3
16-ax^2, x<3
If this function is continious find lim f(x)
x-->a?
I found a=1
6+a=16-9a
a=1
when x--->1
16-x^2=15
and found the limit as 15.But book says 16-a.
2. ## Re: continuity
The answer is 15 as you determined.
Whoever wrote the answer key wasn't... | HuggingFaceTB/finemath | |
Jean Chrétien wants proof
Created on: May 4th, 2008
Jean Chretien explains what a good proof is (it's been proven)
## Vote metrics:
rating total votes favorites comments
(4.42) 419 64 94
## View metrics:
today yesterday this week this month all time
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## Inbound links:
views url
34 http://home.mysp... | HuggingFaceTB/finemath | |
## PointRotate.py Version 1.02
## Copyright (c) 2006 Bruce Vaughan, BV Detailing & Design, Inc.
## NOT FOR SALE. The software is provided "as is" without any warranty.
#############################################################################
"""
Return a point rotated about an arbitrary axis in 3D.
Positive a... | HuggingFaceTB/finemath | |
# Chapter 12 - Section 12.6 - Integrated Review - Functions and Properties of Logarithms: 1
$x^{2}$+x-5
#### Work Step by Step
f(x)=x-6 and g(x)=$x^{2}$+1 (f+g)(x)=(x-6)+($x^{2}$+1)= =$x^{2}$+x-5
After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publi... | HuggingFaceTB/finemath | |
# Permutations with Inversions
```1
2
3
47
23 11
6
Journal of Integer Sequences, Vol. 4 (2001),
Article 01.2.4
Permutations with Inversions
Barbara H. Margolius
Cleveland State University
Cleveland, Ohio 44115
Abstract
The number of inversions in a random permutation is a way to measure the
extent to which the permuta... | HuggingFaceTB/finemath | |
# Homework Help: Capacitance of axon
1. Jan 22, 2008
### rcmango
1. The problem statement, all variables and given/known data
An axon is the relatively long tail-like part of a neuron, or nerve cell. The outer surface of the axon membrane (dielectric constant = 5, thickness = 1 x 10^-8 m) is charged positively, and... | HuggingFaceTB/finemath | |
# Composition of Integrable functions - An attempt -
## Homework Statement
Consider the following functions:
Modified Dirichlet Function
f(x) = 1/n if x=m/n of lowest forms, and f(x) = 0 if x is irrational
find an integrable function g(x) such that the composition of g and f is NOT integrable
## The Attempt at a S... | HuggingFaceTB/finemath | |
Associated Topics || Dr. Math Home || Search Dr. Math
### Another Grazing Cow
```
Date: Wed, 7 Jun 1995 12:53:17 -0500
Subject: A math riddle
From: Ken Ryland
A friend came by my office at work yesterday touting a math riddle that he
claimed was insoluble (at least until the present). Perhaps you would like
a crack ... | HuggingFaceTB/finemath | |
# Help in understanding a dice problem
I am a novice student in probability and I thought of this problem recently. Would like to clarify on some concepts in probability.
A and B bet $$n$$ marbles each to play a game with a six-sided dice with the following rules:
1. A earns $$1$$ point when the number rolled leaves... | HuggingFaceTB/finemath | |
0
# How are perfect squares and irrational squares same?
Updated: 4/28/2022 Wiki User
8y ago
No.
Perfect squares as the squares of the integers, whereas irrational squares as the squares of Irrational Numbers, but some irrational numbers squared are whole numbers, eg √2 (an irrational number) squared is a whol... | HuggingFaceTB/finemath | |
# What is the mixed number of 7 3/14
Convert 7 3/14 improper fraction to mixed number with step by step detailed solution.
Whole number = 7 Denominator = 14 Numerator = 3
## Conversion
In order to convert 7 3/14 to mixed number, you follow these steps :
Conversion a mixed number to 7 3/14 a improper fraction:
7 3... | HuggingFaceTB/finemath | |
## Precalculus (10th Edition)
$x \ne 0$.
The definition of the logarithmic function says that $y=\log_a{x}$ if and only if $a^y=x$. Also, $a\gt0,a\ne1$ and $x\gt0$. By the definition of the logarithmic function we can only take the logarithm of a positive number, hence in the expression $\log_a {A}$ or $\ln {A}$, $A$ ... | HuggingFaceTB/finemath | |
# Harvey is 3 times as old as Jane. The sum of their ages is 48 years. What is the age of each?
Oct 12, 2017
$\text{Jane's' age" = 12years and "Harvey's age} = 36 y e a r s$
#### Explanation:
Let $\text{Jane's' age} = x$
Hence, Harvey is $3 \times$ as old as Jane
$\therefore \text{Harvey's age} = 3 \times x = 3 x... | HuggingFaceTB/finemath | |
Solutions by everydaycalculation.com
## Divide 20/30 with 20/50
20/30 ÷ 20/50 is 5/3.
#### Steps for dividing fractions
1. Find the reciprocal of the divisor
Reciprocal of 20/50: 50/20
2. Now, multiply it with the dividend
So, 20/30 ÷ 20/50 = 20/30 × 50/20
3. = 20 × 50/30 × 20 = 1000/600
4. After reducing the fract... | HuggingFaceTB/finemath | |
# How to calculate safety stock (the right way)
## Why should I calculate and use safety stock?
Determining appropriate levels of stock across a business can be very challenging. If you carry too much inventory, you risk tying-up much needed working capital. But if you don’t carry enough, you face stockouts and reduc... | HuggingFaceTB/finemath | |
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Topic: Simplified Twin Paradox Resolution.
Replies: 25 Last Post: Jan 8, 2013 1:51 AM
Messages: [ Previous | ... | HuggingFaceTB/finemath | |
# 17131 (number)
17,131 (seventeen thousand one hundred thirty-one) is an odd five-digits composite number following 17130 and preceding 17132. In scientific notation, it is written as 1.7131 × 104. The sum of its digits is 13. It has a total of 2 prime factors and 4 positive divisors. There are 16,632 positive intege... | HuggingFaceTB/finemath | |
# Volume of pyramid
1. Mar 19, 2011
### chawki
1. The problem statement, all variables and given/known data
The volume of a pyramid can be evaluated by using the equation V=1/3*A*h where h is
the height of the pyramid and A is the area of the base of the pyramid. The problem is
to design such a triangular pyramid wh... | HuggingFaceTB/finemath | |
Solutions by everydaycalculation.com
1st number: 2 2/6, 2nd number: 56/70
14/6 + 56/70 is 47/15.
1. Find the least common denominator or LCM of the two denominators:
LCM of 6 and 70 is 210
2. For the 1st fraction, since 6 × 35 = 210,
14/6 = 14 × 35/6 × 35 = 490/210
3. Likewise, for the 2nd fraction, since 70 × 3 = 2... | HuggingFaceTB/finemath | |
# What patterns could be applied in order to solve a Sudoku?
Related to this Q&A. I am looking for a pattern that could be applied in order to solve this Sudoku.
The current patterns that I apply:
• Ensure that every digit appears once in every block
• Ensure that there is a unique sequence from 1 to 9.
Now I am bl... | HuggingFaceTB/finemath | |
# Enginering Electromagnetics help
• shaggyrogers
In summary, we have a charge density given by pv=10e^-3r{uC/m^3}, where r is measured in meters. We need to find the total charge Q contained in a sphere centered at the origin with a radius of meters. The formula for the volume of a sphere is 4/3πr^3. After integratin... | HuggingFaceTB/finemath | |
# Converting scalar equation to vector equation
• Jun 2nd 2008, 08:02 PM
theowne
Converting scalar equation to vector equation
If you're given a scalar equation
2x-y+3z-24=0
And you're asked to find a vector equation, how can you do this?
• Jun 2nd 2008, 08:07 PM
mr fantastic
Quote:
Originally Posted by theowne
If ... | HuggingFaceTB/finemath | |
Systems of ODEs - Maple Help
ODE Steps for Systems of ODEs
Overview
• This help page gives a few examples of using the command ODESteps to solve systems of ordinary differential equations.
• See Student[ODEs][ODESteps] for a general description of the command ODESteps and its calling sequence.
Examples
> $\math... | HuggingFaceTB/finemath | |
# The Fibonacci System
The Fibonacci system is the safest betting system in roulette. It is used on the colors, the numbers 1 to 18 or 19 to 36, and the even or odd numbers. So the simple opportunities. But it is actually not a strategy for roulette, but a simple, mathematical theory. However, if you follow this theor... | HuggingFaceTB/finemath | |
# What is the sum of adjacent angles?
Asked By: Purificacion Leeser | Last Updated: 4th January, 2020
Category: science space and astronomy
5/5 (337 Views . 15 Votes)
The adjacent angles will have the common side and the common vertex. Two angles are said to be supplementary angles if the sum of both the angles is 180... | HuggingFaceTB/finemath | |
# Integral
• Apr 22nd 2010, 08:28 PM
Random Variable
Integral
Challenge Question:
$\int^{\infty}_{0} \frac{\cos x - \cos 3x}{x^{2}} \ dx$
Moderator editor: Approved Challenge question.
• Apr 22nd 2010, 10:19 PM
simplependulum
Quote:
Originally Posted by Random Variable
Challenge Question:
$\int^{\infty}_{0} \frac{... | HuggingFaceTB/finemath | |
# Replacements/Substitutions in Mathematica
I am a new user of Mathematica and have some questions about the simplifications of calculated expressions. I am unable to attach an image of the session, but my Mathematica commands are:
Element[{x,y,z},Reals]
Element[{x0,y0,z0},Reals]
rhatV={x-x0,y-y0,z-z0}
rhat=Norm[rhat... | HuggingFaceTB/finemath | |
# Koide’s coincidence
By John
The p-norm of a vector is defined to be the pth root of the sum of its pth powers.
Such norms occur frequently in application [1]. Yoshio Koide discovered in 1981 that if you take the masses of the electron, muon, and tau particles, the ratio of the 1 norm to the 1/2 norm is very nearly... | HuggingFaceTB/finemath | |
# Surface Area And Volume Cube Cuboid Solution of TS & AP Board Class 8 Mathematics
#### Surface Area And Volume Cube Cuboid Solution of TS & AP Board Class 8 Mathematics
EXERCISE:-14.1
Question 1.
There are two cuboidal boxes as shown in the given figure. Which box requires the less amount of material to make? Mea... | HuggingFaceTB/finemath | |
+0
0
75
1
If $$g(x)=\sqrt[3]{\frac{x+3}{4}}$$ , for what value of $$x$$ will $$g(2x)=2(g(x))$$ ? Express your answer in simplest form.
Oct 28, 2019
#1
+106539
+1
g(2x) = [ (2x + 3)/ 4]^(1/3)
2g(x) = 2 [ (x + 3) / 4] ^(1/3)
So.....we have that
[ (2x + 3)/4]^(1/3) = 2[ (x + 3)/4]^(1/3) cube both si... | HuggingFaceTB/finemath | |
# Algebra
posted by .
Jake has a 3 foot long peice of wood that he wants to make into a triangular frame. He cuts a peice off of the board that is 1 foot 5 inches long. From the remaining board he cuts off another peice that is 7 inches long. He now has 3 peices of wood. Will he be able to fit 3 peices together to ma... | HuggingFaceTB/finemath | |
## Tiling a rectangle: Another surprisingly tricky problem
For the discussion of math. Duh.
Moderators: gmalivuk, Moderators General, Prelates
aleph_one
Posts: 140
Joined: Sun Oct 28, 2007 4:27 pm UTC
Location: Cambridge, MA
### Tiling a rectangle: Another surprisingly tricky problem
Problem wrote:Call an m*n rect... | HuggingFaceTB/finemath | |
# 1.5 Statistical Analysis in Psychology Dalia Savy ## Types of Statistics
Descriptive statistics are numerical data used to measure and describe characteristics of groups, and this includes measures of variation. Therefore, descriptive statistics describe the data📊.
Inferential statistics provide a way to see validi... | HuggingFaceTB/finemath | |
# Poissonizing the Binomial
The families of distributions that data scientists tend to use most are those that arise out of natural assumptions about the randomness in the data. These distribution families also have mathematical properties that give rise to illuminating answers to questions about the data. The binomia... | HuggingFaceTB/finemath | |
# Volume of Intersection of cylinders (different radii)
I want to derive a formula for the area of the intersection of two rigth cylinders with different radii. To get an idea I attached a sketch.
My idea is to determine the borders of $x$ and $z$ in dependence of $y$.
The borders of $x$ are: $-\sqrt{b^2-y^2} \leq x... | open-web-math/open-web-math | |
# Predicate for intersection of polygons
What is a (computationally) fast way of determining whether two polygons intersect, without actually computing this area of intersection?
Definitions
• polygon: a counterclockwise simply connected sequence of points.
• intersects: have a nonzero area of overlap.
An example p... | HuggingFaceTB/finemath | |
# Unique paths in a Grid with Obstacles
Given a grid of size m * n, let us assume you are starting at (1, 1) and your goal is to reach (m, n). At any instance, if you are on (x, y), you can either go to (x, y + 1) or (x + 1, y).
Now consider if some obstacles are added to the grids. How many unique paths would there ... | HuggingFaceTB/finemath | |
• A
• B
# Friday 23rd September 2016
Well hello out there, glad to see you have dropped in again. We've had another exciting week in Year 4F.
In English this week, we have been learning even more about Roald Dahl. We did some independent research on the internet and from books. Did you know for instance that his ... | HuggingFaceTB/finemath | |
## In a double-slit interference experiment, which of the following actions (perhaps more than one) would cause the fringe spacing to increase?
Question
In a double-slit interference experiment, which of the following actions (perhaps more than one) would cause the fringe spacing to increase? (a) Increasing the wavel... | HuggingFaceTB/finemath | |
# Homework Help: Hausdorff distance between balls
1. Jan 27, 2016
### Calabi
1. The problem statement, all variables and given/known data
Hello. Let be n integer and let's considere $$\mathbb{R}^{n} = E$$.
Let be the distance $$d : (x; y) \in \mathbb{R}^{2} \rightarrow ||x - y||_{2}$$.
We wright $$\forall p \in [1;... | open-web-math/open-web-math | |
Question #76f3b
Jun 2, 2016
A mole of gold atoms has greater mass.
Explanation:
We know that $1$ mole of any substance has $6.023 \times {10}^{23}$ number of atoms or molecules, this number is called Avogadro's number.
Therefore, number of atoms in $1$ mole of silver is equal to the number of atoms in $1$ mole of ... | HuggingFaceTB/finemath | |
This site is supported by donations to The OEIS Foundation.
Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
A160438 Number of partitions of n*(n+1)/2 with at most four parts that can be obtained from grouping (with parentheses) a permutation of the sum 1+2+...+n 4
1, 1, 2, 5, 13, 35, 93, 215, ... | HuggingFaceTB/finemath | |
# Sinh / sin
## Homework Statement
So this is a really simple problem and i know I'm missing something really obvious but i just can't spot it. ## The Attempt at a Solution
so in the second part above I get :
e-x - ex/2i. However I don't get the next bit as the 2i on the denominator is now factored into the top equa... | HuggingFaceTB/finemath | |
# LAG.LEAD .RATIO_TO_REPORT 分析函數的用法
LAG(EXPRESSION,,)
SQL> with a as (select 1 id,'a' name from dual
2 union
3 select 2 id,'b' name from dual
4 union
5 select 3 id,'c' name from dual
6 union
7 select 4 id,'d' name from dual
8 union
9 select 5 id,'e' name from dual
10 )
11 select id,name,lag(id,1,'')over(order by name... | HuggingFaceTB/finemath | |
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### Course: Class 7 (Old)>Unit 11
Lesson 2: Laws of exponents
# Exponent properties with products... | HuggingFaceTB/finemath | |
In the 2000 local election, only 28% of individuals between : GMAT Critical Reasoning (CR)
Check GMAT Club Decision Tracker for the Latest School Decision Releases http://gmatclub.com/AppTrack
It is currently 22 Jan 2017, 17:11
### GMAT Club Daily Prep
#### Thank you for using the timer - this advanced tool can est... | HuggingFaceTB/finemath | |
# Adding points on Elliptic Curves
How do we add the integer points $P=(-1, 4)$ and $Q=(2, 5)$ on the elliptic curve of the form $y^2=x^3+17$ ?
It happens that a line usually (not always) cuts three points in a elliptic curve by the Bezout theorem. This is the case for the points and the curve you are asking for.
So... | HuggingFaceTB/finemath | |
# 209 is What Percent of 496?
## 209 is 42.14 Percent of 496
is what percent of
%
209 is 42.14% of 496
Calculation steps:
( 209 ÷ 496 ) x 100 = 42.14%
Advertisement
### Calculate 209 is What Percent of 496?
• F
Formula
(209 ÷ 496) x 100 = 42.14%
• 1
209 ÷ 496 = 0.4213709677419355
• 2
Decimal to percent
0... | HuggingFaceTB/finemath | |
# Take Advantage Of The Bmi Calculator To Get Your Ideal Weight5379
Written by
You understand you have to shed weight but do you know exactly how much you need to lose? Do you have a goal to snap for? Like the majority of things we want to accomplish, shedding pounds is most effective when we have a goal. Usually, ho... | HuggingFaceTB/finemath | |
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# Calculation of mean height of children
I have been given a data set with the heights (in cm) of 200 Mexican children ages 2- 10 years. Each child has an ID number at the column to the left. For the purposes of this assignment, I will think of the 200 children as being a population of childre... | HuggingFaceTB/finemath | |
# Systems of Differential Equations
• Martin Braun
Part of the Applied Mathematical Sciences book series (AMS, volume 15)
## Abstract
In this chapter we will consider simultaneous first order differential equations in several variables, that is, equations of the form
$$\begin{gathered} \frac{{d{x_1}}}{{dt}} = {f_1}\... | HuggingFaceTB/finemath | |
# Logistic function passing through two points AND the origin?
http://math.stackexchange.com/q/8213/2916
which received a very helpful answer. However, I'd like to ask your help again as the formulation of the problem has slightly changed and i'm lost...
Problem:
Given two points: $(x_l, y_l)$ and $(x_u, y_u)$ with: ... | HuggingFaceTB/finemath | |
# AP SSC 10th Class Chemistry Important Questions Chapter 14 Carbon and its Compounds
AP State Board Syllabus AP SSC 10th Class Physical Science Important Questions Chapter 14 Carbon and its Compounds.
## AP State Syllabus SSC 10th Class Chemistry Important Questions 14th Carbon and its Compounds
### 10th Class Chem... | open-web-math/open-web-math | |
# Volume and surface
Calculate the volume and surface area of the cylinder when the cylinder height and base diameter is in a ratio of 3:4 and the area of the cylinder jacket is 24 dm2.
Correct result:
V = 19.15 dm3
S = 40 dm2
#### Solution:
We would be pleased if you find an error in the word problem, spelling ... | HuggingFaceTB/finemath | |
# Merge Sort Python Tutorial – An Efficient Way Of Sorting
Welcome to Merge Sort Python Tutorial. In this tutorial, you will learn a very important topic of data structure that is Merge sort. Here i will cover these topics – merge sort introduction, algorithm, implementation, complexity, applications and some other co... | HuggingFaceTB/finemath | |
>> << Usr Pri JfC LJ Phr Dic Voc !: Help Learning J
# Chapter 2: Lists and Tables
Computations need data. So far we have seen data only as single numbers or lists of numbers. We can have other things by way of data, such as tables for example. Things like lists and tables are called "arrays".
## 2.1 Table... | HuggingFaceTB/finemath | |
## Dividing by zero
For discussing anything related to physics, biology, chemistry, mathematics, and their practical applications.
Moderator: Flannel Jesus
### Dividing by zero
31 divided 0 times is just still 31
0 divided 31 times is just still 0 (still nothing to divide)
What this means is that
0 divided by 0 ... | HuggingFaceTB/finemath | |
# How to Prepare for DU JAT in one month?
Author : Palak Khanna
July 30, 2022
SHARE
Are you worried about how to crack DU JAT in a month? A lot of queries might be arising when there is a month left for the examination. This post has a curation of clever tips that can help you ace the upcoming DU JAT 2021 with a hi... | HuggingFaceTB/finemath | |
# Speed
Speed units are usually a combination of two measurement - mainly distance per time, for example: Miles per Hour, Kilometers per Hour, Meters per Second etc.
These units evolved from the basic formulas to calculate speed:
D = S * T
Where:
D= Distance
S= Speed
T = time
if we try to calculate speed (S) we... | HuggingFaceTB/finemath | |
# Algebra in Polynomials..
Can somebody suggest me the title of the topic on what to study with regards to polynomials? Like getting their roots and using them in another expressions? I really cannot answer questions like this one because I lack knowledge to this.. Everytime I try to get the roots of polynomials (cubi... | HuggingFaceTB/finemath | |
# Finding a minimum variance portfolio when using a regulariser?
I am aware that the minimum variance portfolio of a market with $n$ securities can be shown to be:
\begin{equation} w^* = (1^T_n\Sigma^{-1}1_n)^{-1}\Sigma^{-1}1_n, \\ s.t. \ \ 1^T_nw = 1 \end{equation}
by using the method of Langrange multipliers or ot... | HuggingFaceTB/finemath | |
# Data Interpretation - Line Charts - Discussion
Study the following line graph and answer the questions.
Exports from Three Companies Over the Years (in Rs. crore) 3.
In which year was the difference between the exports from Companies X and Y the minimum?
[A]. 1994 [B]. 1995 [C]. 1996 [D]. 1997
Explanation:
The... | HuggingFaceTB/finemath | |
Code
• Oct 9th 2011, 12:26 AM
Trolo
Code
ABCDE
+ BCAE
--------
FEDEB .
I need to get numbers to this with explanations, so i could start doing other tasks.
• Oct 9th 2011, 01:08 AM
CaptainBlack
Re: Code
Quote:
Originally Posted by Trolo
ABCDE
+ BCAE
--------
FEDEB .
I need to get numbers to this with explanations, ... | HuggingFaceTB/finemath | |
Question
Sat July 21, 2012 By:
# if the polynomial p(x) is devided by x^2 + 4x + 2, then the quotient polynomial x^@ - 4x + 14 and the remainder polynomial 9x-13 are obtained. find polynomial p(x)
Sat July 21, 2012
Answer : Given : if the polynomial p(x) is devided by x^2 + 4x + 2, then the quotient polynomial x^@ ... | HuggingFaceTB/finemath | |
1. ## d/dtheta
h(theta)= 9sec(theta)+9e^(theta)cot(theta)
h'(theta)=d/dtheta(9sec(theta)) + d/dtheta(9e^(theta)cot(theta))
?= 9sec(theta) 9 tan(theta)+ ..... ?
2. Originally Posted by vjelmy
h(theta)= 9sec(theta)+9e^(theta)cot(theta)
h'(theta)=d/dtheta(9sec(theta)) + d/dtheta(9e^(theta)cot(theta))
?= 9sec(theta) ... | HuggingFaceTB/finemath | |
# How exactly do we define parametric polymorphism?
My naive distinction between parametric polymorphism and ad-hoc polymorphism, is that:
In parametric polymorphism, the type is given as a variable: (pseudocode)
Function f: <.Type T> T $$\to$$ T {...}
Whereas in ad-hoc polymorphism, we write different functions fo... | HuggingFaceTB/finemath | |
Assignment 7
Tangent Circles
by
Megan Dickerson
In starting this investigation, I learned how to create a script tool for the tangent circle to 2 circles.
The tangent circle in this tool looks like this:
Then, I decided to create a different script tool for the tangent circle to 2 given circles for when the tange... | HuggingFaceTB/finemath | |
Solutions by everydaycalculation.com
## Subtract 20/63 from 12/54
12/54 - 20/63 is -2/21.
#### Steps for subtracting fractions
1. Find the least common denominator or LCM of the two denominators:
LCM of 54 and 63 is 378
2. For the 1st fraction, since 54 × 7 = 378,
12/54 = 12 × 7/54 × 7 = 84/378
3. Likewise, for the... | HuggingFaceTB/finemath | |
Check GMAT Club Decision Tracker for the Latest School Decision Releases https://gmatclub.com/AppTrack
It is currently 25 May 2017, 11:17
### 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 Dail... | HuggingFaceTB/finemath | |
# geometry
posted by .
The following gives a geometic sequence 2, P Q 250 find the values of P and Q
• geometry -
We know that given a ratio of r,
P = 2r
Q = 2r²
250 = 2r³, so r=5
P=10
Q=50
## Similar Questions
1. ### Geometry
need help finding next to values in following sequence 1,3,7,13,21,_,_
2. ### Math -... | HuggingFaceTB/finemath | |
Rounding to the Nearest Ten
## How to Round to the Nearest Ten
Do you remember multiples of 10?
10, 20, 30, 40, 50, 60, 70, 80, 90, 100
That’s it!
In this lesson, you’ll learn how to round to these numbers.
26
When we round a number, we decide which “Ten” it is closest to.
Let’s put 26 on a number line between ... | HuggingFaceTB/finemath | |
# How Long Does It Take To Go 1 Mile At 100 Mph?
## How long does it take to drive 60 miles at 100 mph?
1 hour and 40 minutesAnswer: It takes 1 hour and 40 minutes to travel 100 miles at 60 miles per hour..
## How many feet is 70 mph?
Let’s find feet per minute. Now, to convert units without converting the value, w... | HuggingFaceTB/finemath | |
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# Official Edexcel S3 thread Wednesday 20 May 2015 Morning [6691] watch
1. Is anyone here going to write their answers down here after the exam? Would appreciate it if you did as Arsey doesn't do s3 and i really need to know if i got them correct.
2. (Original p... | HuggingFaceTB/finemath | |
# The Rule of 72: Secrets of the Mathematical Ninja
Despite what you may have heard, Einstein probably never said that compound interest was the greatest force in the universe. It is, however, an interesting beastie.
The Mathematical Ninja likes quick fixes. The Mathematical Ninja LOVES estimating powers of e, but he... | HuggingFaceTB/finemath | |
# Help with an easy ODE
1. Jan 14, 2010
### b3n5p34km4n
so i'm in my second week of my first differential equations class, and i can't seem to get this problem.
Show that 5x2y2 - 2x3y2 = 1 is an implicit solution of the differential equation x(dy/dx) + y = x3y3 on the interval 0 < x < 5/2
for dy/dx, i got (3xy-5y)... | HuggingFaceTB/finemath | |
# Antiderivative Formula
Anything that is an opposite of a function and has been differentiated in trigonometric terms is known as an anti-derivative. Both the antiderivative and the differentiated function are continuous on a specified interval. In calculus, an antiderivative, primitive function, primitive integral o... | HuggingFaceTB/finemath | |
Τετάρτη, 12 Ιανουαρίου 2011
A CONFIGURATION (Case 3)
See THIS
Let ABC be a triangle and P a point.
The circle (B, BP) intersects AB at Ac1 (between A,B) and Ac2 (on the extension of BA) AND BC at A1c (between B,C) and A2c (on the extension of BC). The circle (C, CP) intersects AC at Ab1 (between A,C) and Ab2 AND BC... | HuggingFaceTB/finemath | |
## Elementary Geometry for College Students (6th Edition)
(a) To locate the orthocenter, it is not necessary to construct all three altitudes of a right triangle. (b) An altitude is a perpendicular line from a vertex of a triangle to the opposite side. The orthocenter is the point where the three altitudes of a triang... | HuggingFaceTB/finemath | |
[VA] SRC #009 - Pi Day 2021 Special
03-16-2021, 10:29 PM (This post was last modified: 03-17-2021 03:37 AM by Gerson W. Barbosa.)
Post: #21
Gerson W. Barbosa Senior Member Posts: 1,473 Joined: Dec 2013
RE: [VA] SRC #009 - Pi Day 2021 Special
(03-15-2021 08:59 PM)J-F Garnier Wrote: I don't know -and don't think there ... | open-web-math/open-web-math | |
Simple fraction Problem
1. Nov 28, 2016
zak100
Hi,
I have the following question:
2 whole number ¼ - 1 whole number 2/3 ------(1)
1 whole number (1/4 -2/3)
I am getting –ve sign which is wrong.
However if I do:
2 whole number ¼ + 1 whole number 2/3
Then:
3whole number (1/4 * 3/3 + 2/3 * 4/4)
= 3 whole number(... | HuggingFaceTB/finemath | |
Find the sum of all natural numbers between 200 and 400 which are divisible by 7.
Question:
Find the sum of all natural numbers between 200 and 400 which are divisible by 7.
Solution:
Natural numbers between 200 and 400 which are divisible by 7 are 203, 210, …, 399.
This is an AP with a = 203, d = 7 and l = 399.
S... | open-web-math/open-web-math | |
Triangles (Mathematics) Class 9 - NCERT Questions
Q 1.
In quadrilateral ACBD, AC = AD and AB bisects ∠A (see figure). Show that ∆ABC ≅ ∆ABD. What can you say about BC and BD?
SOLUTION:
In quadrilateral ACBD, we have AC = AD and AB being the bisector of ∠A.
Now, in ∆ABC and ∆ABD,
∠CAB = ∠DAB [AB bisects ∠CAD] AB = AB... | HuggingFaceTB/finemath | |
# Curve
(Redirected from Space curves)
A parabola, one of the simplest curves, after (straight) lines
In mathematics, a curve (also called a curved line in older texts) is an object similar to a line, but that does not have to be straight.
Intuitively, a curve may be thought of as the trace left by a moving point. T... | HuggingFaceTB/finemath | |
# 3.4: Sum and Difference Identities
Difficulty Level: At Grade Created by: CK-12
## Learning Objectives
• Use and identify the sum and difference identities.
• Apply the sum and difference identities to solve trigonometric equations.
• Find the exact value of a trigonometric function for certain angles.
In this se... | HuggingFaceTB/finemath | |
lilypond-devel
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## Re: TimeSignature with note in denominator
From: Aaron Hill Subject: Re: TimeSignature with note in denominator Date: Fri, 12 Nov 2021 17:10:40 -0800 User-agent: Roundcube Webmail/1.4.9
```On 2021-11-12 4:22 pm, Kieren MacMillan wrote:
```
```except that the Scheme expressions
'("... | HuggingFaceTB/finemath | |
## DEV Community
Susan Githaiga
Posted on • Updated on
# Solution #2635 Apply Transform Over Each Element in Array
Given an integer array `arr` and a mapping function `fn`, return a new array with a transformation applied to each element.
The returned array should be created such that `returnedArray[i] = fn(arr[i]... | HuggingFaceTB/finemath |
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