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# Lesson 10
Rectangles and Triangles with Fractional Lengths
Let’s explore rectangles and triangles that have fractional measurements.
### 10.1: Areas of Squares
1. What do you notice about the areas of the squares?
2. Kiran says “A square with side lengths of $$\frac13$$ inch has an area of $$\frac13$$ square inch... | HuggingFaceTB/finemath | |
# Factors
Factors are the numbers we multiply together to get another number.
Example: 4 x 7 = 28
4 and 7 are factors of 28.
You might be thinking that there are other ways to multiply and make 28. You are correct!
You could also multiply 2 x 14 or 1 x 28. These are all factors of 28.
Let's list out the factors of... | HuggingFaceTB/finemath | |
# 211042 (number)
211,042 (two hundred eleven thousand forty-two) is an even six-digits composite number following 211041 and preceding 211043. In scientific notation, it is written as 2.11042 × 105. The sum of its digits is 10. It has a total of 3 prime factors and 8 positive divisors. There are 97,392 positive integ... | HuggingFaceTB/finemath | |
# Rolle's theorem is applicable in case
Question:
Rolle's theorem is applicable in case of $\phi(x)=a^{\sin x}, a>a$ in
(a) any interval
(b) the interval [0, π]
(c) the interval (0, π/2)
(d) none of these
Solution:
(b) the interval $[0, \pi]$
The given function is $\phi(x)=a^{\sin x}$, where $a>0$.
Differentiati... | HuggingFaceTB/finemath | |
# Compact connected space is the union of two disjoint connected sets.
This was mentioned in an article, but I have not been able to find a proof anywhere. Assume the original space has at least 2 points. The disjoint connected sets should be nontrivial (each has at least 2 points).
For instance $[0,2]=[0,1]\cup (1,2... | open-web-math/open-web-math | |
# Diamond and Box Factoring - Ms. Billerbeck's Site
X-box Factoring Warm-Up Please complete these individually. 1. Fill in the following X-solve problems. a. b. 4 7 c.
15 36 10 13 2. Write the general form of a quadratic equation. 3. Divide using the box method. a. 4a3 + 12a2 + 6a 2a b. 14x5y3 35x4y2 + 21x2y 7xy
X- ... | HuggingFaceTB/finemath | |
# Does $2^n-n$ have infinitely often a prime divisor greater than $n$?
I think the question in the title is clear.
Let $n\in \mathbb{N}$. It is a nice exercise to show that every prime number divides infinitely many terms of the sequence $2^n-n$. (For example take $n=(p-1)^{2m} , m\in \mathbb{N}$)
I would like to show... | HuggingFaceTB/finemath | |
## With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.
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## CHAPTER 28 _____________________________
Complex Numbers
Why should some quadratics have all the fun? The quadratic x2 − 1 gets the privilege... | HuggingFaceTB/finemath | |
# 1999 AMC 8 Problems/Problem 20
## Problem
Figure 1 is called a "stack map." The numbers tell how many cubes are stacked in each position. Fig. 2 shows these cubes, and Fig. 3 shows the view of the stacked cubes as seen from the front.
Which of the following is the front view for the stack map in Fig. 4? $[asy] uni... | HuggingFaceTB/finemath | |
# How is dot or cross product possible using the del operator?
Yesterday in class my teacher told me that the del operator has a direction but no value of its own (as its an operator). So it can't be called exactly a vector. But in vector calculus we see that div $\phi$ is the dot product of the del operator and $\phi... | HuggingFaceTB/finemath | |
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# Mathematical Induction and Proof by Induction
One form of proof is by Mathematical Induction, a method where the result of the proof is to demonstrate that a mathematical formula is true for every positive integer.
The Principal of Mathematical Induction is that for each positive integ... | HuggingFaceTB/finemath | |
# Incredible How To Solve Area Of Triangle Ideas
Incredible How To Solve Area Of Triangle Ideas. That means we can solve for the height h. We will look at several types of triangles in this lesson.
We already have rc k r c k ready to use, so let's try the formula on it: Area of an equilateral triangle. This mean we a... | HuggingFaceTB/finemath | |
## College Physics (4th Edition)
$4.5\times 10^{28}$
The mass of a nucleon is $1.67\times 10^{-27}~kg$ We can estimate the number of nucleons: $\frac{75~kg}{1.67\times 10^{-27}~kg} = 4.5\times 10^{28}$ | HuggingFaceTB/finemath | |
Standard and syllabus of the Territorial Army Officers in Graduate Level Examination
Subject Time Allotted Numbers of Questions Marks
Paper I
• Part - 1 Reasoning 2 hrs 50 50
• Part - 2 Elementary Mathematics 50 50
Paper II
• Part - 1 General Knowledge 2 hrs 50 50
• Part - 2 English 50 50
Standard of Territ... | HuggingFaceTB/finemath | |
# Probability Practice
1) Out of $21$ tickets consecutively numbered , three are drawn at random . Find the probability that the numbers on them are in A.P.
2) If $2$ points are selected on a line of length L so as to be on opposite sides of the midpoint of the line , find the probability that the distance between th... | HuggingFaceTB/finemath | |
# Prealgebra
posted by .
175% of 200
• Prealgebra -
## Similar Questions
1. ### Math
How do you convert fractions to a percentage?
2. ### Prealgebra
Please explain this problem: 150% of 54
3. ### Prealgebra
Please explain this problem: 25% of 162
4. ### Prealgebra
Please explain this problem: one fifth of 40
5... | HuggingFaceTB/finemath | |
Friday, July 20, 2007
I'll have a Buchburger with fries
> import Data.Map as M
> import Data.List as L
Everyone else is at it, so why not me? Here's my approach to solving this problem. Let's warm up with a simpler menu. Consider:
Fries \$3
Burger \$5
What can I get that costs exactly \$13?
My approach is going t... | HuggingFaceTB/finemath | |
# Tetrahedron, elementary geometry of the
A tetrahedron is a spatial figure formed by four non-co-planar points, called vertices. The term is of Greek origin ( "tetra" meaning "four" and "hedra" meaning "seat" ) and refers to its four plane faces, or sides. As implied in the definition, the usual environment for the s... | HuggingFaceTB/finemath | |
Mutual Inductance Transformer: 17 Important Concepts
Mutual Inductance Transformer
A transformer consists of 2-types of winding’s.
• Primary winding.
• Secondary winding.
By the principle of mutual inductance, whenever the current changes in the primary coil, it changes the current in the secondary coil. The variab... | HuggingFaceTB/finemath | |
Mind-Warm-Ups Vector Spaces
Ultimate Space = S
si = arbitrary partition of S
Δsi = infinitesimal si, that is limit of si as it tends to zero.
pi = arbitrary point in S = Δsi
Problem 21: let X and Y be linear spaces (vector spaces) of the same field F, and α1, α2 scalars in F. What criteria determine whether or not a ... | HuggingFaceTB/finemath | |
# The speed of sound in the air is 340 m / s. at what distance in km the thunder thundered
The speed of sound in the air is 340 m / s. at what distance in km the thunder thundered, which is audible after 10.5, seconds Write down the answer in the form a 10ᵇ, where a, b∈N
In 1 second, the sound of thunder travels a di... | HuggingFaceTB/finemath | |
# Maximum value of this integral
## Homework Statement
Find a > 0 so the integral
int(exp(-ax)*cosx)dx from 0 to inf get as high value as possible.
## The Attempt at a Solution
My way of solving this is to plot the integrand, i.e. exp(-ax)*cosx and check for different values of a. The larger a is, the smaller the ... | HuggingFaceTB/finemath | |
Formula for multiplication by $n$ on an elliptic curve
Let $E$ be an elliptic curve, given by a Weierstrass equation $y^2 + a_1 x y + a_3 y = x^3 + a_2 x^2 + a_4 x + a_6$.
If $P = (x, y)$ is a point on $E$ and $n$ is a (positive) integer, then the point $nP$ has coordinates $(x_n, y_n)$, which can be expressed as: $$... | HuggingFaceTB/finemath | |
# Focus (geometry)
Focus (geometry) Point F is a focus point for the red ellipse, green parabola and blue hyperbola.
In geometry, the foci (; singular focus) are a pair of special points with reference to which any of a variety of curves is constructed. For example, foci can be used in defining conic sections, the f... | HuggingFaceTB/finemath | |
# Estimate how many traffic signals in any city? Please take an example of any city and tell how to do market sizing?
Where I can find guesstimate questions with solutions
Recent activity on May 06, 2019
10.1 k Views
• Date ascending
• Date descending
Hi!
Feel free to take inspiration from my explanation of a simil... | HuggingFaceTB/finemath | |
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X
# Calculate the Greatest Common Factor or GCF of 50931
Sponsors
The instructions to find the GCF of 50931 are the next:
## 1. Decompose all numbers into prime factors
50931 3 16977 3 5659 5659 1
## 2. Write all numbers as the product of its prime factors
Prime factors of 50931 = 32 . 56... | HuggingFaceTB/finemath | |
#### Question
Assume a binomial probability distribution with n = 50 and π = .25. Compute the following: a. The mean and standard deviation of the random variable. b. The probability that X is 15 or more. c. The probability that X is 10 or less.
Verified
#### Step 1
1 of 4
The binomial distribution has $n=50$ and ... | HuggingFaceTB/finemath | |
Paul's Online Notes
Home / Calculus II / Applications of Integrals / Arc Length
Show Mobile Notice Show All Notes Hide All Notes
Mobile Notice
You appear to be on a device with a "narrow" screen width (i.e. you are probably on a mobile phone). Due to the nature of the mathematics on this site it is best views in landsc... | HuggingFaceTB/finemath | |
# Difference between revisions of "Pyramid"
This is an AoPSWiki Word of the Week for Sep 6-12
A pyramid is a 3-dimensional geometric solid. It consists of a base that is a polygon and a vertex not on the plane of the polygon. The edges of the pyramid are the sides of the polygonal base together with line segments co... | HuggingFaceTB/finemath | |
# CBSE NCERT Solutions for Class 7 Chapter 11
The solutions provide students a fine preparation strategy in order to prepare for their exam more methodically. Students get a fair idea on the subject, the sort of questions that are possibly asked and the method to answer them.
CBSE NCERT Solutions for Class 7 Maths Ch... | HuggingFaceTB/finemath | |
Is 4436 a prime number? What are the divisors of 4436?
## Parity of 4 436
4 436 is an even number, because it is evenly divisible by 2: 4 436 / 2 = 2 218.
Find out more:
## Is 4 436 a perfect square number?
A number is a perfect square (or a square number) if its square root is an integer; that is to say, it is th... | HuggingFaceTB/finemath | |
Purchase Solution
# Analysis with a regression model: car weight and gas mileage.
Not what you're looking for?
One of the editors of a major automobile publication has collected data on 30 of the best-selling cars in the United States. The data are in a file called Automobiles( attached). The editor just purchased a... | HuggingFaceTB/finemath | |
GMAT Question of the Day - Daily to your Mailbox; hard ones only
It is currently 20 Nov 2018, 23:59
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.
Customized
for You... | HuggingFaceTB/finemath | |
# IMO 1983 Solution - Day 1 Problem 3
The questions goes as follows:
Let $a$ , $b$ and $c$ be positive integers, no two of which have a common divisor greater than $1$. Show that $2abc - ab - bc - ca$ is the largest integer which cannot be expressed in the form $xbc + yca + zab$, where $x, y, z$ are non-negative inte... | HuggingFaceTB/finemath | |
Homework l l l Homework Assignment 30 Read
• Slides: 27
Homework l l l Homework Assignment #30 Read Section 4. 9 Page 282, Exercises: 1 – 13(Odd) Rogawski Calculus Copyright © 2008 W. H. Freeman and Company
Homework, Page 282 Use Newton’s Method with the given function and initial value xo to calculate x 1, x 2, and... | HuggingFaceTB/finemath | |
# The average final exam score for the statistics course is 81%. A professor wants to see if the average final exam score for students who are given colored pens on the first day of class is different. The final exam scores for the 13 randomly selected students who were given the colored pens are shown below. Assume th... | HuggingFaceTB/finemath | |
# Generate all integral points lying inside a rectangle
• Last Updated : 22 Oct, 2020
Given a rectangle of length L, and width, W, the task is to generate all integral coordinates (X, Y) that lie within a rectangle pf dimensions L * W having one of its vertexes in the origin (0, 0).
Examples:
Input: L = 3, W = 2
Ou... | HuggingFaceTB/finemath | |
# B A statistical definition of Young's Modulus?
Tags:
1. Oct 20, 2016
### Metals
Young's Modulus is usually defined as the intrinsic property of a material indicating it's stiffness, or it's ability to resist deformation. Though, it is measured in Pa, meaning it should have some statistical description. Spring cons... | HuggingFaceTB/finemath | |
# Why do we use 4x4 matrices to transform things in 3D?
To translate a vector by 10 unit in the X direction, why do we have to use a matrix?
We can just add 10 to the mat[0][0], and we got the same result too.
• There seem to be two different questions here: (1) why are they 4x4 instead of 3x3? and (2) why are there... | HuggingFaceTB/finemath | |
55.22 kg to lbs - 55.22 kilograms to pounds
Do you need to know how much is 55.22 kg equal to lbs and how to convert 55.22 kg to lbs? Here it is. In this article you will find everything about kilogram to pound conversion - theoretical and practical too. It is also needed/We also want to emphasize that all this articl... | HuggingFaceTB/finemath | |
# 7.4: Double-Angle, Half-Angle, and Reduction Formulas
$$\newcommand{\vecs}[1]{\overset { \scriptstyle \rightharpoonup} {\mathbf{#1}} }$$
$$\newcommand{\vecd}[1]{\overset{-\!-\!\rightharpoonup}{\vphantom{a}\smash {#1}}}$$
$$\newcommand{\id}{\mathrm{id}}$$ $$\newcommand{\Span}{\mathrm{span}}$$
( \newcommand{\kernel... | HuggingFaceTB/finemath | |
Request a call back
sum of the digits of a two-digit number is 11. when we interchange the digits, it is found that the resulting new number is greater than the original number by 63. find the two digit number.
Asked by nehasingh1010 | 07 May, 2019, 09:15: PM
Let x be the unit digit number,
then ten's digit number = 1... | HuggingFaceTB/finemath | |
# Minimize is running forever
My object function is $$\frac{4 d k (1 - 2 r) r + k^2(3 r-1)r + d^2 (1 + r (6 r-5))}{ 2 (1-r)^2 r} + q* \frac{d^2 (2 - 3 r) + 2 d k ( 2 r-1) + k^2 (1 -(3 - r) r)}{(1-r)^2}$$.
And I'm trying to find $$r\in (\frac{1}{2},1)$$ that minimizes the object function under the condition of $$d\in ... | HuggingFaceTB/finemath | |
# MCQ Questions for Class 10 Maths with Answers Chapter 7 Coordinate Geometry
Home » CBSE Class 10 Maths » MCQ Questions for Class 10 Maths » MCQ Questions for Class 10 Maths with Answers Chapter 7 Coordinate Geometry
#### MCQ Questions for Class 10 Maths with Answers Chapter 7 Coordinate Geometry with Answers
These... | HuggingFaceTB/finemath | |
MAT 160 Spring 2010
Homework. Due March 16.
We saw last time that the ``checkerboard'' problem was not in fact a pigeonhole problem: Since 2 white squares were removed, the board had 2 more white squares than black squares; since each domino covers one white square and one black square, there is no way for dominos to... | HuggingFaceTB/finemath | |
# Topic 6.2 Electric Force and Field
## Presentation on theme: "Topic 6.2 Electric Force and Field"— Presentation transcript:
Topic 6.2 Electric Force and Field
(3 hours)
Electric Charge There are two types of electric charge,
positive charge and negative charge. It was not until the late 1890s through the work of J... | HuggingFaceTB/finemath | |
# How to Solve Systems of Linear Inequalities?
Linear inequalities are expressions in which two linear expressions are compared using the inequality symbols. In this step-by-step guide, you will learn about solving systems of linear inequalities.
The solution to a system of a linear inequality is the region where the... | HuggingFaceTB/finemath | |
• 0
Newbie
# Equation of a straight line
• 0
Find the equation of the line passing through the points A(-1,3) and B(0,2).Hence,show that the points A,B and C(1,1) are collinear.
Share
1. The line is passing through the points A(-1,3) and B(0,2)
m=y2-y1/x2-x1
= 2-3/0+1
= -1/1
= -1
∴ equation (y-y1) = m(x2-x1)... | HuggingFaceTB/finemath | |
### A, B and C are three partners in a business. The profit share of A is $\Large\frac{3}{16}$ of the total profit and B’s share is $\Large\frac{1}{4}$ of the total profit. If C receives Rs. 243, then the amount received by B will be ?
A. Rs. 90 B. Rs. 96 C. Rs. 108 D. Rs. 120 Answer: Option C
### Solution(By Apex Te... | HuggingFaceTB/finemath | |
# Solving $px^n -x + (1-p)=0$
I'm interested in solving the following equation in $[0,1]$ $$px^n - x + (1-p)=0$$
where $p \in [0,1]$ and $n \in \mathbb N -\{1,2 \}$ both constant.
To start with, we can easily see that $x=1$ is a solution and I also know there is another solution in $[0,1]$ for every $n \in \mathbb N... | HuggingFaceTB/finemath | |
Bs\$
# Venezuelan inflation rate in 2019: 1,370,001.05%
### Inflation in 2019 and Its Effect on Bolivar Value
Purchasing power decreased by 1,370,001.05% in 2019 compared to 2018. On average, you would have to spend 1,370,001.05% more money in 2019 than in 2018 for the same item.
In other words, Bs\$1 in 2018 is eq... | HuggingFaceTB/finemath | |
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# How do you solve 6x^2 - x -3 =0?
Nov 22, 2015
$x \approx - 0.63 , \textcolor{w h i t e}{\times} x \approx 0.79$
#### Explanation:
It is a matter of practice so that you get used to spotting the factors.
The only 2 factors you are going to get for 3 is 1 and 3. This is because 3 is a prime number. The thing is th... | HuggingFaceTB/finemath | |
Ten-Digit Pandigital Numbers Divisible By 1 Through 9
April 15, 2016
This is easy. We begin by noting that the least common multiple of the digits 1 through 9 is 2520, and that the smallest ten-digit multiple of 2520 is 1000001520. Then we find all the ten-digit pandigital multiples of 2520 with a list comprehension:... | HuggingFaceTB/finemath | |
# Posts by jj
Total # Posts: 1,110
englsih
we saw nelson (skating in the park) the parenthesis is it idependent clause gerund phrase or adverb clause or noun clause
english
is it dependent clause
english
(when you get to the corner,) turn right is the parenthesis idependent clause or dependent clause or ajd clause ... | HuggingFaceTB/finemath | |
#### need solution for RD Sharma maths class 12 chapter 8 Continuity exercise Very short answer question 7
Hint: If $f(x)$ is continuous at $x = 0$ then $\lim _{x \rightarrow 0} f(x)=f(0)$
Given: $f(x)=\left\{\begin{array}{l} \frac{\sin x^{2}}{x}, x \neq 0 \\ 0, x=0 \end{array}\right.$
Explanation:
\begin{aligned... | HuggingFaceTB/finemath | |
# SOLVING ABSOLUTE VALUE EQUATIONS
The general form of an absolute value equation is
|ax + b| = k
In the above absolute value equation, we can notice that there is only absolute part on the left side.
(Here 'a' and 'k' are real numbers and k 0)
Let us consider the absolute value equation |2x + 3| = 5.
We can sol... | HuggingFaceTB/finemath | |
Tuesday, December 13, 2011
Roller Coaster Project
Roller Coaster Physics Online Project
Objective: to apply the concepts of forces, Newton's laws, Work, Power and Conservation of Energy and Momentum to the design and analysis of Roller Coasters.
1. Go to http://library.thinkquest.org/2745/data/ke.htm and read about... | HuggingFaceTB/finemath | |
Convert 520,000 to scientific notation:
$$5.20 \times 10^{(5)}$$
Explanation
To express 520,000 in scientific notation, start from the end of the number and move the decimal left until you are to the immediate right of the first number (5), counting the number of moves. Moving the decimal left, placing it between th... | HuggingFaceTB/finemath | |
Refractive material
Homework Statement
The refractive index of a material is different for different wavelengths and colours of light. For most materials in the visible range of the electromagnetic spectrum, shorter wavelengths have larger refractive index compared to longer wavelengths.
The effect of this on lenses... | HuggingFaceTB/finemath | |
# The pie-chart shows the annual car production (percentage-wise) of six countries A, B, C, D, E, and F. Study the pie chart and answer the question.Total number of cars produced = 40,00,000The number of cars produced by country B is what percent more than that produced by country E?
Free Practice With Testbook Mock T... | HuggingFaceTB/finemath | |
# www.vustudents.ning.com
We non-commercial site working hard since 2009 to facilitate learning Read More. We can't keep up without your support. Donate.
MTH302 Business Mathematics & Statistics Assignment 01 Fall 2020 Solution / Discussion Due Date: 03-12-2020
Views: 1233
### Replies to This Discussion
Share the ... | HuggingFaceTB/finemath | |
# How to Calculator New LRS Fees Telangana 2020
After people’s requests, complaints, and agitations, the Government of Telangana State took a step down and issued a latest GO on LRS 2020 scheme with new amendments in order to regularize the unapproved plots and layouts across the Telangana State. As most of the reque... | HuggingFaceTB/finemath | |
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John D. Norton
Department of History and Philosophy of Science
University of Pittsburgh
https://sites.pitt.edu/~jdnorton/jdnorton.html
Linked document: The Gambler's Ruin (pdf) (Word)
For a compact reminder of expectations in probability theory, see Probability Theory Refresher: Expected Value.
We ... | HuggingFaceTB/finemath | |
# Fathoms to Meters Conversion
## You are currently converting Length units from Fathoms to Meters
1 Fathoms (ftm)
=
1.8288 Meters (m)
Enter the number of Fathoms(ftm) to convert into Meters(m).
Fathoms(ftm) Value:
Results in Meters(m):
1 (ftm) = 1.8288 (m)
Do you want to convert Meters to Fathoms?
How to Con... | HuggingFaceTB/finemath | |
# Important Math Facts
Subject : math
Instructions:
• Answer 50 questions in 15 minutes.
• If you are not ready to take this test, you can study here.
• Match each statement with the correct term.
• Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study to... | HuggingFaceTB/finemath | |
## Determinants, Eigen Vectors
### Eigen Vectors
An eigen vector is a vector that is scaled by a linear transformation, but not moved. Think of an eigen vector as an arrow whose direction is not changed. It may stretch, or shrink, as space is transformed, but it continues to point in the same direction. Most arrow... | HuggingFaceTB/finemath | |
## How much work is done when a force?
Ans. 1 Joule of work is said to be done when force of 1 Newton acts on a by and shows displacement of 1 metre.
## How do you find the slope of friction coefficient?
Use a coordinate system with +x down the slope and +y perpendicular to the slope. Split the force of gravity into... | HuggingFaceTB/finemath | |
# Fisher’s Exact TestDictionary | Created 2016-07-25 | Last updated 2017-12-28
### Overview
Fisher’s Exact Test is a statistical test that is used to analyze contingency tables, where contingency tables are matrices that contain the frequencies of the variables in play. According to statistics lore, noted statisticia... | HuggingFaceTB/finemath | |
<img src="https://d5nxst8fruw4z.cloudfront.net/atrk.gif?account=iA1Pi1a8Dy00ym" style="display:none" height="1" width="1" alt="" />
You are viewing an older version of this Concept. Go to the latest version.
# Sums and Differences of Rational Expressions with Unequal Denominators
## Combine fractions including unlike... | HuggingFaceTB/finemath | |
# Cube
Regular Hexahedron Type Platonic solid
Elements F = 6, E = 12
V = 8 (χ = 2)
Faces by sides 6{4}
Schläfli symbol {4,3}
Wythoff symbol 3 | 2 4
Coxeter-Dynkin Symmetry Oh
References U06, C18, W3
Properties Regular convex zonohedron
Dihedral angle 90° 4.4.4
(Vertex figure) Octahedron
(dual polyhedron) Net
A cu... | HuggingFaceTB/finemath | |
# 2.1 Linear functions (Page 6/17)
Page 6 / 17
Write the point-slope form of an equation of a line that passes through the points and $\left(0,0\right).$ Then rewrite it in the slope-intercept form.
$y-0=-3\left(x-0\right)$ ; $y=-3x$
## Writing and interpreting an equation for a linear function
Now that we have ... | HuggingFaceTB/finemath | |
## Tuesday, November 18, 2014
### Study group: Network Security Risk Assessment Using Bayesian Belief Networks.
This weeks study group was given by Shan on assessing network security risk using Bayesian Belief Networks, following the paper of Kondakci titled "Network Security Risk Assessment Using Bayesian Belief Net... | HuggingFaceTB/finemath | |
Statistical concepts > Hypothesis testing
# Hypothesis testing
An hypothesis is the general term for a proposed explanation for some observed phenomena, which may or may not be the subject of further scrutiny in order to confirm or reject its veracity. Scientific studies investigate hypotheses by conducting experim... | HuggingFaceTB/finemath | |
# What is 17 percent of 92?
## (17 percent of 92 is 15.64)
### 17 percent of 92 is 15.64. Explanation: What does 17 percent or 17% mean?
Percent (%) is an abbreviation for the Latin “per centum”, which means per hundred or for every hundred. So, 17% means 17 out of every 100.
### Methods to calculate "What is 17 pe... | HuggingFaceTB/finemath | |
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# Probability and Confidence Interval of Normal Distribution
This content was COPIED from BrainMass.com - View the original, and get the already-completed solution here!
The weekly incomes of a large group of middle managers are normally distributed with a mean of \$1,500 and a standard deviation o... | HuggingFaceTB/finemath | |
# What is 370 Milliseconds in Seconds?
## Convert 370 Milliseconds to Seconds
To calculate 370 Milliseconds to the corresponding value in Seconds, multiply the quantity in Milliseconds by 0.001 (conversion factor). In this case we should multiply 370 Milliseconds by 0.001 to get the equivalent result in Seconds:
370... | HuggingFaceTB/finemath | |
Mathematics
$\displaystyle \int { \dfrac { dx }{ \tan { x } +\cot { x } } = }$
SOLUTION
$\int {\cfrac{{dx}}{{\tan x + \cot x}}}$
$\int {\cfrac{{dx}}{{\cfrac{{\sin x}}{{\cos x}} + \cfrac{{\cos x}}{{\sin x}}}}}$
$\int {\cfrac{{dx}}{{\cfrac{{{{\sin }^2}x + {{\cos }^2}x}}{{\sin x\cos x}}}}}$
$\int {\cfrac{{dx}}{{\left( {... | HuggingFaceTB/finemath | |
tonan6e
2022-09-03
How to find the Laplace Transform of ${t}^{2}sin\left(t\right)$
Using the rule:
$\mathcal{L}\left({t}^{n}f\left(t\right)\right)=\left(-1{\right)}^{n}\frac{{d}^{n}}{d{s}^{n}}F\left(s\right)$
where in this case
$f\left(t\right)=\mathrm{sin}\left(t\right),\phantom{\rule{thinmathspace}{0ex}}\phantom{\r... | HuggingFaceTB/finemath | |
# 5.25 oz to grams?
To convert 5.25 oz to grams, simply multiply 5.25 by 28.35. This will give you the equivalent weight in grams.
There are approximately 145 grams in 5.25 ounces.
## How much is 5 0z in Grams?
Ounces (oz) to Grams (g) conversion table:
1 oz = 28.35 g
2 oz = 56.70 g
3 oz = 85.05 g
4 oz = 113.40... | HuggingFaceTB/finemath | |
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# 140.73 miles in km
## Result
140.73 miles equals 226.4346 km
You can also convert 140.73 mph to km.
## Conversion formula
Multiply the amount of miles by the conversion factor to get the result in km:
140.73 mi × 1.609 = 226.4346 km
## How to convert 140.73 miles to km?
The conversion fac... | HuggingFaceTB/finemath | |
# What percentage of cars do not have steering wheel, horn and headlight?
+1 vote
98 views
In a car manufacturing plant at Detroit, there is a shortage of steering wheels, horns and headlights during manufacturing of a particular batch of cars. It is found that:
All cars do not have either steering wheel or horn or h... | HuggingFaceTB/finemath | |
# Lesson 5
Construction Techniques 3: Perpendicular Lines and Angle Bisectors
## 5.1: Two Circles (5 minutes)
### Warm-up
The purpose of this activity is to prepare students for constructing a perpendicular line through a point on the line. This figure of two circles of the same radius intersecting also plays a rol... | HuggingFaceTB/finemath | |
# kilograms to milligrams
How to convert Kilograms to Milligrams: 1 kilogram is equal to 1000000 milligrams. To convert milligrams to kilograms, multiply the milligram value by 0.000001 or divide by 1000000. mg to kg … To use the converter, simply enter the desired number to convert in the box and press 'Convert'. Con... | HuggingFaceTB/finemath | |
Wednesday
June 19, 2013
Posts by vince
Total # Posts: 99
Math
its just like basic algebra if you were to take x^2/x what would you get? just x ^__^
Math
Eh, this is just a term of speech to denote different times. For instance, an hour is 60 minutes right? Well, if you broke it into 4 quarters it would be 15 mins e... | HuggingFaceTB/finemath | |
# permutations of a matrix
42 views (last 30 days)
sam plant on 23 Aug 2019
Edited: Bruno Luong on 23 Aug 2019
Hello,
for a linear system equation of Ax = B with A dimensions 5x5 and x, a column vector. Let's say A is a binary matrix of 1's and 0's and i had the cases of having 3 1's and the rest 0's in A, or 5 1's an... | HuggingFaceTB/finemath | |
63
Radical Jeopardy Final Jeopardy Simplifyi ng Radicals Square Roots/Per fect Squares Adding & Subtracti ng Radicals Multiplyin g & Dividing Radicals Pythagore an Theorem Mystery \$100 \$100 \$100 \$100 \$100 \$100 \$200 \$200 \$200 \$200 \$200 \$200 \$300 \$300 \$300 \$300 \$300 \$300 \$400 \$400 \$400 \$400 \$400 \$... | HuggingFaceTB/finemath | |
## Saturday, 8 August 2015
1. A person riding a bike crosses a bridge with a speed of 54 km/h. what is the length of the bridge, if
he takes 4 min to cross the bridge?
1) 3600 m 2) 2800 m 3) 3500 m 4) 4500 m 5) None of these
Solution: (1)
Length of the bridge = Distance travelled by the person in 4 min
= Speed x ... | HuggingFaceTB/finemath | |
# Resources tagged with: Combinations
Filter by: Content type:
Age range:
Challenge level:
### There are 37 results
Broad Topics > Decision Mathematics and Combinatorics > Combinations
### Tea Cups
##### Age 7 to 14 Challenge Level:
Place the 16 different combinations of cup/saucer in this 4 by 4 arrangement so t... | HuggingFaceTB/finemath | |
In elementary geometry, cones are assumed to be right circular, where right means that the axis passes through the centre of the base at right angles to its plane, and circular means that the base is a circle. A right circular cone is obtained when one base of a right circular cylinder is shrunk to a point, vertex. The... | HuggingFaceTB/finemath | |
• Getting Pregnant
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# Fun activities to promote math skills
##### by Holly Hanke
Adding and subtracting two-digit numbers. Telling time. Counting money. Even early multiplication. You can help your child master these 2nd grade math skills simply by... | HuggingFaceTB/finemath | |
Posted on
# Playing with Cipra tiles
We were recently introduced to an interesting set of tiles by Barry Cipra. Barry writes about mathematics and science, designs games, and has a keen interest in recreational mathematics.
Barry is inspired by the art of Sol Lewitt. One of Lewitt’s methods was to begin with a parti... | HuggingFaceTB/finemath | |
Last Updated: Mar 27, 2024
Difficulty: Easy
# Scalar Multiplication of a matrix
## Introduction
In this article, we will discuss how to perform scalar multiplication on a matrixScalar Multiplication is multiplying each entry of the matrix with a constant number. For the implementation, Vectors of C++ are used; if yo... | HuggingFaceTB/finemath | |
## University Calculus: Early Transcendentals (3rd Edition)
$\dfrac{9}{\sqrt {18}}=\dfrac{9}{3 \sqrt 2}$
The formula to calculate the distance for two vectors is given by: $d=\dfrac{|u \cdot v|}{|v|}$ Thus, we have $u \cdot v=-2(-4)+0(1)+1(1)=9$ and $|u \times v|=|9|=9$ Now, $d=\dfrac{|u \cdot v|}{|v|}=\dfrac{9}{ \sqr... | HuggingFaceTB/finemath | |
# Simple rule does not work
Let's see the following example
Clear["Global*"];
d1 = Sqrt[(x + μ)^2 + y^2];
d2 = Sqrt[(x + μ - 1)^2 + y^2];
V = m1/d1 + m2/d2 + 1/2*(x^2 + y^2);
rule = {((x + μ)^2 + y^2)^(1/2) -> d1, ((x + μ - 1)^2 + y^2)^(1/2) -> d2};
Vx = D[V, x] /. rule
Vy = D[V, y] /. rule
However even if I apply... | HuggingFaceTB/finemath | |
# Illustrative Mathematics Unit 6.7, Lesson 15: Let’s use the coordinate plane to solve problems and puzzles.
Learning Targets:
• I can find the lengths of horizontal and vertical segments in the coordinate plane.
• I can plot polygons on the coordinate plane when I have the coordinates for the vertices.
Related Pag... | HuggingFaceTB/finemath | |
# Pivot
An $O(n)$ Partition algorithm partitions an array A around a pivot element (pivot is a member of A) into three parts: a left sub-array that contains elements that are $\leq$ pivot, the pivot itself, and a right sub-array that contains elements that are $>$ pivot.
A Partition algorithm is an integral part of a... | HuggingFaceTB/finemath | |
Timer 00:00:00 Sudoku Sudoku
## if (sTodaysDate) document.write('Sudoku for ' + sTodaysDate.split('-')[0] + '/' + monthname() + '/' + sTodaysDate.split('-')[2]); else document.write('Enter your own sudoku puzzle.')
Help
Play this pic as a Jigsaw
or Sliding Puzzle
Previous / Next
Choose a number, and place it in the... | HuggingFaceTB/finemath | |
# 5-2 generate equivalent ratios answer key
## What are some equivalent ratios (grade 6) examples?
Equivalent Ratios (Grade 6) 1 An arcade sold game tokens individually or in package. They are having a sale on token packages. … 2 Heritage Middle School has 150 students. Two out of three students in Mrs. … 3 The ratio... | HuggingFaceTB/finemath | |
## 27490
27,490 (twenty-seven thousand four hundred ninety) is an even five-digits composite number following 27489 and preceding 27491. In scientific notation, it is written as 2.749 × 104. The sum of its digits is 22. It has a total of 3 prime factors and 8 positive divisors. There are 10,992 positive integers (up t... | HuggingFaceTB/finemath |
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