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### College Physics (Urone)
Book edition 1st Edition
Author(s) Paul Peter Urone
Pages 1272 pages
ISBN 9781938168000
# Can classical physics be used to accurately describe a satellite moving at a speed of ${\mathbf{7500}}{\mathbf{... | open-web-math/open-web-math | |
## solve for a and b: 47a+31b=63 31a+47b=15
Question
solve for a and b: 47a+31b=63
31a+47b=15
in progress 0
5 days 2021-09-13T15:51:54+00:00 1 Answer 0 views 0
## Answers ( )
47x + 31y = 63 ……………1
31x + 47y = 15 ……………2
Multiply equation 1 by 31 and equation 2 by 47, we get
47 * 31x + 31 * 31y = 63*31 ……………3
... | HuggingFaceTB/finemath | |
# EULER'S INSTITUTIONUM CALCULI INTEGRALIS VOL. 1 .EULER'S INSTITUTIONUM CALCULI INTEGRALIS VOL. 1
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• EULER'S INSTITUTIONUM CALCULI INTEGRALIS VOL. 1
Part I, Section I,Chapter 8... | HuggingFaceTB/finemath | |
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# What is the formula for air gap?
## What is the formula for air gap?
Calculation of Air Gap Power From the above expression, it is clear that per phase rotor power input is equal to I22(r2/s) as reactance x2 do not consume any power. Pg is the power transf... | HuggingFaceTB/finemath | |
18. Which leader pushed his idea of the Fourteen Points after World War I?
Woodrow Wilson pushed his idea of the Fourteen Points after World War I.
s
Question
Updated 4/21/2019 8:04:52 AM
Followed by JellyJunkie
Rating
3
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Deleted by emdjay23 [4/16/2019 3:42:51 PM]
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Woodrow Wilson pushed his idea of the Fourte... | HuggingFaceTB/finemath | |
Posted by Aaron Dietrich on Tuesday, January 10, 2017
# Ball and roller screw linear actuators: How to compare service life
When you’re designing equipment, you'll probably be asked, “How long will this machine last?” And even if you’re not asked outright, you know service life is an essential consideration. It’s a c... | HuggingFaceTB/finemath | |
1. ## probability
hey all can anyone help me with these problems?
1)a die is tossed 150 times, the rolling of a 6 is counted as a success:
a) find the mean and standard deviation of this binominal experiment and
b) what is the probability of throwing between 30 and 35 sixes?
2) the mean weight of a group of 200 pe... | HuggingFaceTB/finemath | |
Associated Topics || Dr. Math Home || Search Dr. Math
The Correlation Coefficient
```
Date: 09/11/98 at 13:56:58
From: Steven S. Krompf
Subject: Correlation Coefficient
Dear Dr. Mitteldorf,
I am sending this reply on behalf of our patron, who wrote the
following:
The books on statistics we have consulted (four of ... | HuggingFaceTB/finemath | |
A triangulation of a dolphin. Image: public domain, via Wikimedia Commons.
Surfaces are complicated. Triangles are simple. That's an idea behind some methods of creating computer graphics and some advanced mathematics. If we have a surface, we can take a bunch of points on the surface and connect them into triangles t... | HuggingFaceTB/finemath | |
# John Brown University Probability Questions
As your first engineering job, you are tasked to assess the failure probability for a newbridge connecting the mainland with a remote island near Tierra del Fuego (Land of Fire).
Given the relative proximity of the structure to Los Andes, it is expected to be affected by
m... | HuggingFaceTB/finemath | |
# Empirical Probability
Definition of Empirical Probability:
The experimental probability of occurring of an event is the ratio of the number of trials in which the event occurred to the total number of trials.
The empirical probability of the occurrence of an event E is defined as:
Number of trials in which event ... | 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!)
A194346 Decimal expansion of h_o(1/17), where h_o(x) is the odd infinite power tower function. 3
2, 0, 4, 2, 7, 4, 7, 3, 6, 6, 6, 5, 5, ... | HuggingFaceTB/finemath | |
Proyecciones (Antofagasta, On line) https://www.revistaproyecciones.cl/index.php/proyecciones <p align="justify">La revista Proyecciones. Journal of Mathematics es una publicación científica, sin fines de lucro, oficial de la Universidad Católica del Norte, Antofagasta, Chile. Fue fundada en 1982 y depende del Dep... | open-web-math/open-web-math | |
### Mathematics Class XI
Unit-I: Sets and Functions
Chapter 1: Sets
Unit-II: Algebra
Chapter 5: Binomial Theorem
Chapter 6: Sequence and Series
Unit-III: Coordinate Geometry
Chapter 1: Straight Lines
Chapter 2: Conic Sections
Unit-IV: Calculus
Unit-V: Mathematical Reasoning
Unit-VI: Statistics and Probability
Chapter ... | HuggingFaceTB/finemath | |
Main Page | See live article | Alphabetical index
# Proof of Bertrand's postulate
(One statement of) Bertrand's postulate is that for each n ≥ 2 there is a prime p such that n < p < 2n. It was first proven by Pafnuty Chebyshev, but the gist of the following elementary but involved proof by contradiction is due to Pau... | HuggingFaceTB/finemath | |
The differential operator $D^2+12 D +72$ has the form $D^2 - 2\alpha D +\alpha^2+\beta^2$ where $\alpha =$ and $\beta =$ .
Therefore $D^2+12 D +72$ should annihilate the function $f=e^{-6x}\cos\!\left(6x\right)$ and $g = e^{-6x}\sin\!\left(6x\right)$. We will check that for $e^{-6x}\cos\!\left(6x\right)$. Note that wh... | HuggingFaceTB/finemath | |
Search a number
15382 = 27691
BaseRepresentation
bin11110000010110
3210002201
43300112
5443012
6155114
762563
oct36026
923081
1015382
1110614
128a9a
137003
14586a
154857
hex3c16
15382 has 4 divisors (see below), whose sum is σ = 23076. Its totient is φ = 7690.
The previous prime is 15377. The next prime is 15383. The... | HuggingFaceTB/finemath | |
## Reflection: Intervention and Extension Comparing Things! - Section 1: Anticipatory Setting
#### I notice several students had a hard time figuring out what symbol to use. To give students the time they need to become proficient, I ask them to move to their assigned groups. I explain that they will use symbols to w... | HuggingFaceTB/finemath | |
+0
# geometry
0
162
4
Find AC.
May 6, 2022
#1
+124698
+1
NVM .....Guest has the correct answer !!!
May 6, 2022
edited by CPhill May 6, 2022
#2
+1
Draw CF ⊥ DA ..( F on DA)
Let z= x^2
Applying Pythagoras’s theorem in triangles ABD, BCE and ACF we get
BE^2=x^2-121=z-121
BD^2=z-169
AC^2=CF^2+AF^2 => (BE+BD)^2+4=... | HuggingFaceTB/finemath | |
# 1951 AHSME Problems/Problem 11
## Problem
The limit of the sum of an infinite number of terms in a geometric progression is $\frac {a}{1 - r}$ where $a$ denotes the first term and $- 1 < r < 1$ denotes the common ratio. The limit of the sum of their squares is: $\textbf{(A)}\ \frac {a^2}{(1 - r)^2} \qquad\textbf{(B... | HuggingFaceTB/finemath | |
# Decomposition of a stochastic process into a continuous and pure jump part
We work on a filtered probability space $$(\Omega,\mathcal{F},(\mathcal{F}_t)_{t\in [0,T]},P)$$. Let $$X$$ be an adapted làdlàg stochastic process (i.e. the left and right limits exist). For $$0 denote by $$\Delta_+ X_t := X_{t+}-X_t$$ its ri... | open-web-math/open-web-math | |
## ››Convert centihenry to nanohenry
centihenry nanohenry
How many centihenry in 1 nanohenry? The answer is 1.0E-7.
We assume you are converting between centihenry and nanohenry.
You can view more details on each measurement unit:
centihenry or nanohenry
The SI derived unit for inductance is the henry.
1 henry is eq... | HuggingFaceTB/finemath | |
# Problem Set 1
Topics: Game theory, Nash equilibrium, Voting Pages: 2 (739 words) Published: March 27, 2013
Problem Set 1
Ben Polak, Econ 159a/MGT522a. Four Questions due September 19, 2007.
1. Strictly and Weakly Dominated Strategies? What is the de nition of a strictly dominated strategy? What is the de nition of ... | HuggingFaceTB/finemath | |
# 1 materials Teaching the Lesson
```Objective
To guide exploration of skip-counting patterns on the
number grid.
1
materials
Teaching the Lesson
Key Activities
Children explore the patterns in counts by 5s, 10s, and 2s on the number grid and in
the ones digits of 2-digit numbers.
Math Journal 1, p. 32 and inside
back... | HuggingFaceTB/finemath | |
# Discrete Mathematics Sets - Discrete Mathematics
## What is a Set?
The concept of Sets is introduced by G. Cantor. According to him, a collection of definite and distinguishable objects which are selected by means of description or certain rules is defined as a set.
The basis of many fields such as counting theory... | HuggingFaceTB/finemath | |
# Pooled variance
Suppose you are conducting a hypothesis test to compare two sample means from independent samples, with the variance unknown, but you know it is the same for both populations. Then you use the pooled estimate of the variance given by [ (n1 - 1)s1^2 + (n2-1)s2^2 ] / (n1+n2-2)
I was just wondering why... | HuggingFaceTB/finemath | |
01 April 2014
A couple of weeks ago, one intern of my team re-posted a game called 2048 into our wechat group. Soon we found we could not stop playing the game. And some of us started to post screenshots of scores we got in the game. We made higher and higher scores and finally completed 2048 tiles one day later. But ... | HuggingFaceTB/finemath | |
# How to prove $e^{+i(\theta/2)(\hat{n}\cdot \sigma)}\sigma e^{-i(\theta/2)(\hat{n}\cdot \sigma)} = e^{\theta \hat{n}\cdot J}\sigma$?
Disclaimer: I'm sure this has been asked 100 times before, but I can't find the question asked or answered quite like this. If there are specific duplicates that could give me a simple ... | HuggingFaceTB/finemath | |
## Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)
$\bf{\text{Solution Outline:}}$ The domain of the given function, $g(t)=\sqrt{2t-6} ,$ is the permissible values of $x.$ $\bf{\text{Solution Details:}}$ With an odd index (index equals $3$), then the radicand can be any real number. Hence, t... | HuggingFaceTB/finemath | |
# Question: What Is The Kinetic Energy Of A 50 Kg Child Running To Catch The School Bus At 2 M/s?
## What is the kinetic energy of a 50 kg child running?
The amount of kinetic energy is dependent upon mass and speed, and computed from the equation KE=0.5*m*v2. For the 50-kg sledder (includes the sled’s mass) moving a... | HuggingFaceTB/finemath | |
# Mean, Median, Mode, and, and Range By: Jacob Fowler and Cassie Gallman.
## Presentation on theme: "Mean, Median, Mode, and, and Range By: Jacob Fowler and Cassie Gallman."— Presentation transcript:
Mean, Median, Mode, and, and Range By: Jacob Fowler and Cassie Gallman
Mean Mean is an average found by using divisio... | HuggingFaceTB/finemath | |
# every finite dimensional normed vector space is a Banach space
Proof. Suppose $(V,\|\cdot\|)$ is the normed vector space, and $(e_{i})_{i=1}^{N}$ is a basis for $V$. For $x=\sum_{j=1}^{N}\lambda_{j}e_{j}$, we can then define
$\|x\|^{\prime}=\sqrt{\sum_{j=1}^{N}|\lambda_{j}|^{2}}$
whence $\|\cdot\|^{\prime}\colon ... | HuggingFaceTB/finemath | |
## dietrich_harmon 2 years ago Order the group of quadratic functions from widest to narrowest graph.
1. terenzreignz
All these quadratic functions, before you even show them, see that coefficient of the x² ? The smaller the coefficient, the wider the graph ;)
2. dietrich_harmon
3. dietrich_harmon
WHAT
4. terenzr... | HuggingFaceTB/finemath | |
# Documentation
### This is machine translation
Translated by
Mouseover text to see original. Click the button below to return to the English verison of the page.
# gfdeconv
Divide polynomials over Galois field
## Syntax
```[quot,remd] = gfdeconv(b,a) [quot,remd] = gfdeconv(b,a,p) [quot,remd] = gfdeconv(b,a,field... | HuggingFaceTB/finemath | |
# A 7200 lb airplane lands on an aircraft carrier with a speed of 72 ft/s. The plane is caught by...
## Question:
A 7200 lb airplane lands on an aircraft carrier with a speed of 72 ft/s. The plane is caught by an elastic band (k = 998 lb/ft) that has an initial stretch of 5.6 feet. What is the maximum distance the ba... | HuggingFaceTB/finemath | |
# Sum of Square Numbers LeetCode Solution
Here, We see Sum of Square Numbers LeetCode Solution. This Leetcode problem is done in many programming languages like C++, Java, JavaScript, Python, etc. with different approaches.
# List of all LeetCode Solution
## Problem Statement
Given a non-negative integer c, decide ... | HuggingFaceTB/finemath | |
# Exploring Types, Characteristics, And Examples Of Words With Square Or Line
//
Thomas
Explore the , characteristics, and of words with square or line, including geometric shapes and symmetry. Discover their uses in mathematical equations, graphic design, and architecture.
## Types of Words with Square or Line
##... | HuggingFaceTB/finemath | |
IBPS Exam Guru
free Online Practice
Online Practice: IBPS Clerk PO Specialist Officer &RRB Prepare
Exercise
Bank PO :: Q Test No 168
Home > Bank PO > Q Test No 168 > General Questions
1 .
Direction (Q. 1 - 5) : Each question is followed by two statements.
(A) If statement I alone is sufficient but statement II alon... | HuggingFaceTB/finemath | |
Volume of the upper cone is equal to half volume of the whole cone. What is the ratio of the base radius of the whole cone to base radius of the upper cone?
I got: $\sqrt{2h \over H}$ where $h$ is the height of the upper cone and $H$ is the height of the whole cone. But it must be some constant according to the book f... | HuggingFaceTB/finemath | |
# Introduction to Financial Python
## Confidence Interval and Hypothesis Testing
### Introduction
In the last chapter we discussed random variables and random distributions. Now we are going to use the distributions we learned to test our hypothesis and also to model the financial data. When building a trading strat... | HuggingFaceTB/finemath | |
# Knight's Shortest Path on Chessboard
I've been practicing for an upcoming programming competition and I have stumbled across a question that I am just completely bewildered at. However, I feel as though it's a concept I should learn now rather than cross my fingers that it never comes up.
Basically, it deals with a... | HuggingFaceTB/finemath | |
# Lesson Explainer: Electric Current Physics • 9th Grade
In this explainer, we will learn how to use the formula to calculate the current through a point in simple circuits given the charge moving past that point in a given time.
Electric current is the flow of electric charge. Recall that different parts of the atom... | HuggingFaceTB/finemath | |
Lecture 9-10
# Introduction to Algorithms, Second Edition
This preview shows pages 1–2. Sign up to view the full content.
The University of Texas at Austin Lectures 9 & 10 Department of Computer Sciences Professor Vijaya Ramachandran Graphs; shortest paths CS357: ALGORITHMS, Spring 2006 1 Graph-theoretic Definitions... | HuggingFaceTB/finemath | |
# Pankaj is invested $640 for 3 years both compound interest and simple interest at the same rate of interest which is 25 percent then find the difference between C.I and S.I? 1. 140 2. 120 3. 125 4. 130 5. None ## Answer (Detailed Solution Below) Option 4 : 130 ## Detailed Solution Given: Principal =$640
Time = 3 yea... | HuggingFaceTB/finemath | |
• Join over 1.2 million students every month
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# My aim is to find out what affect a length of a wire has on its resistance. The resistance will be measured by finding out the curre... | HuggingFaceTB/finemath | |
Our World Statistics Day conversations have been a great reminder of how much statistics can inform our lives. Do you have an example of how statistics has made a difference in your life? Share your story with the Community!
Choose Language Hide Translation Bar
MANOVA test-statistics
Last time on multivariate analysis... | HuggingFaceTB/finemath | |
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# NCERT Solutions for Class 8 Maths Chapter 1 Rational Numbers (EX 1.2) Exercise 1.2
## NCERT Solutions for Class 8 Maths Chapter 1 Rational Numbers (EX 1.2) Exercise 1.2
Last updated date: 01st Feb 2023
Total views: 439.8k
Views today: 11.32k
NCER... | open-web-math/open-web-math | |
0
# Can you add two irrational numbers to get a rational number?
Yes Yes, the sum of two Irrational Numbers can be rational. A simple example is adding sqrt{2} and -sqrt{2}, both of which are irrational and sum to give the rational number 0. In fact, any rational number can be written as the sum of two irrational... | HuggingFaceTB/finemath | |
# Rules And Combinations In Poker - GamblingPedia Best.
Poker Combinations. One of the more math-intensive strategy topics in poker is figuring out the chances of being dealt different hands. The type of poker you are playing determines whether you use five or seven cards to find the value of your hand, and this by it... | HuggingFaceTB/finemath | |
# Integrating experimental data
## Main Question or Discussion Point
Hi, I don't know if this is the proper part of the forum to ask this, but I'm trying to figure out how I can obtain a certain value from an equation that contains an integral if I want to use experimental data. To keep it simple, the equation looks ... | HuggingFaceTB/finemath | |
Startpagina » Apps » Onderwijs » Pure math Differentiation-1 Tutor
# Pure math Differentiation-1 Tutor
1.3 for Android
Multimedia E-Learning Education System (MELES)
## De beschrijving van Pure math Differentiation-1 Tutor
★ Enjoy studying Pure Maths on the Blackboard using this video tutorial combined with the so... | HuggingFaceTB/finemath | |
KTU Online Placement Cell Registration
# Data Structures CS205 Note-Module 5
## Data Structures CS205 Note-Module 5
### DSA Fifth Module Syllabus
Graphs – representation of graphs, BFS and DFS (analysis not required)applications.Sorting techniques – Bubble sort, Selection Sort, Insertion sort,Merge sort, Quick sort... | HuggingFaceTB/finemath | |
# Higher Order Complex Roots
• Jul 15th 2007, 06:01 PM
fudawala
Higher Order Complex Roots
Find the general solution to the given differential equation:
$
y^{(4)} - 8 y' = 0
$
$
y''' + 5 y'' + 6 y' + 2 y = 0
$
$
4 y''' + y' + 5 y = 0
$
• Jul 15th 2007, 07:27 PM
topsquark
Quote:
Originally Posted by fudawala
Find t... | HuggingFaceTB/finemath | |
# What is the value of expression cos^2(x-y)+cos^2(x+y)-cos2x*cos2y?
## Expert Answers
We need to simplify the expression (cos (x-y))^2 + (cos (x+y))^2 - cos 2x *cos 2y
(cos (x-y))^2 + (cos (x+y))^2 - cos 2x *cos 2y
=> (cos x * cos y + sin x * sin y)^2 + (cos x * cos y - sin x * sin y)^2 - cos 2x *cos 2y
=> (cos x... | HuggingFaceTB/finemath | |
# 5-simplex
5-simplex
Hexateron (hix)
Type uniform 5-polytope
Schläfli symbol {34}
Coxeter diagram 4-faces 6 6 {3,3,3} Cells 15 15 {3,3} Faces 20 20 {3} Edges 15
Vertices 6
Vertex figure 5-cell
Coxeter group A5, , order 720
Dual self-dual
Base point (0,0,0,0,0,1)
Circumradius 0.645497
Properties convex, isogon... | HuggingFaceTB/finemath | |
Taking Down the Matrix
By Leo Lam
(Test Preparation (ACT/SAT/SSAT), Math and Physics tutor at The Edge Learning Center)
Disclaimer: no, I will not be giving you a choice of blue pill or red pill.
In my last blog, I talked about the complex number, a topic that is becoming more prominent in both SAT and ACT. Today, ... | HuggingFaceTB/finemath | |
# Thread: compounded interest
1. ## compounded interest
what sum of money must be invested at 7.3% interest compounded continuously to yield $20,000 in 12 years how long will it take for the investment to triple in value$\displaystyle A=Pe^{rt}$2.$\displaystyle 20000 = P\times e^{0.073\times 12}$Find P. After this fi... | HuggingFaceTB/finemath | |
# 5.8 The particle-wave duality reviewed (Page 2/3)
Page 2 / 3
## Problem-solving strategy
1. Identify which physical principles are involved.
2. Solve the problem using strategies outlined in the text.
[link] illustrates how these strategies are applied to an integrated-concept problem.
## Recoil of a dust part... | HuggingFaceTB/finemath | |
# 1 2010 SAJC H2 Physics Prelims Examiner’s Report Paper 1 : Q1 B
35.1%
Q2 A
52.0%
Q3 B
91.3%
Q4 A
45.3%
Q5 D
70.4%
Q6 B
68.5%
Q7 D
37.7%
Q8 A
32.6%
Q9 A
54.2%
Q10 A
32.4%
Q11 B
62.0%
Q12 C
45.8%
Q13 D
71.3%
Q14 C
80.1%
Q15 A
82.2%
Q16 D
51.1%
Q17 A
74.1%
Q18 D
69.8%
Q19 D
50.5%
Q20 C
54.8%
Q21 A
5... | HuggingFaceTB/finemath | |
# what is the inverse of a log
## What Is The Inverse Of A Log?
The inverse of a logarithmic function is an exponential function. When you graph both the logarithmic function and its inverse, and you also graph the line y = x, you will note that the graphs of the logarithmic function and the exponential function are ... | HuggingFaceTB/finemath | |
The Relation Between Integration and Differentiation
An interesting article: Calculus for Dummies by John Gabriel
The derivative of an indefinite integral. The first fundamental theorem of calculus
We corne now to the remarkable connection that exists between integration and differentiation. The relationship between ... | HuggingFaceTB/finemath | |
# Circumference of an ellipse
There are at least several formulas to calculate, or I should better say approximate, the circumference of an ellipse. Although calculating the circumference of a circle is very easy, calculating the circumference of an ellipse is a very difficult task.
C ≈ Π × [3 × (R + r) - √ (R + 3 × ... | HuggingFaceTB/finemath | |
Hexadecimal (better known as hex) is a base 16 number system. The decimal system is base ten. A single digit can represent values from 0 to 9. In hexadecimal, a single digit can represent values from 0 to 15.
The values 10 to 15 are represented by the letters 'a' through 'f'. So, to count from 0 to 20 in hex, you say: ... | HuggingFaceTB/finemath | |
# Prove Triangle Inequality
Discussion in 'Other Pre-University Math' started by nycmathguy, Jul 17, 2021.
1. ### nycmathguy
Joined:
Jun 27, 2021
Messages:
5,386
422
Set 1.2
Question 67
See attachment.
Work out (a) through (d).
nycmathguy, Jul 17, 2021
2. ### MathLover1
Joined:
Jun 27, 2021
Messages:
2,989
2,884... | HuggingFaceTB/finemath | |
# A Problem of Divisibility
Arrange n×m digits aij (i = 1, ..., n; j = 1, ..., m) in a rectangular array. If read left to right, every row then represents a decimal integer, and so does every column if read from top downwards. In all, there are n + m integers. Let p be relatively prime to 10. (Two integers are relativ... | HuggingFaceTB/finemath | |
# Relative Minima and Maxima
Last Updated : 28 Mar, 2024
Relative maxima and minima are the points defined in any function such that at these points the value of the function is either maximum or minimum in their neighborhood. Relative maxima and minima depend on their neighborhood point and are calculated accordingl... | HuggingFaceTB/finemath | |
# Free multi step inequalities worksheets pdf for kids
Free multi step inequalities worksheets pdf for kids. This is a collection of algebra ii worksheets for students to review skills related to inequalities. Each worksheet features a number of problems to solve and answers to provide in the spaces indicated. There i... | HuggingFaceTB/finemath | |
#### The Partition Function, Physics tutorial
Introduction:
The Partition functions as a normalization factor, calculate average energy, everything regarding system. The partition function regarding an ideal Monoatomic Gas are as well highlighted and the Sackur-Tetrode formula.
The Partition Function Z:
The Partiti... | HuggingFaceTB/finemath | |
Find all School-related info fast with the new School-Specific MBA Forum
It is currently 27 Apr 2015, 13:57
### GMAT Club Daily Prep
#### Thank you for using the timer - this advanced tool can estimate your performance and suggest more practice questions. We have subscribed you to Daily Prep Questions via email.
C... | HuggingFaceTB/finemath | |
• question_answer The reflecting surface is represented by the equation $2x={{y}^{2}}$ as shown in the figure. A ray travelling horizontal becomes vertical after reflection. The co-ordinates of the point of incidence are: A) (1/2, 1) B) (1, 1/2) C) (1/2, 1/2) D) none $i+r=90{}^\circ ,$and$\angle i=\angle r$ $... | HuggingFaceTB/finemath | |
# Can you please explain weak keys of the following 2-round DES?
2-rounds DES (M-DES)
• $|M|=|P|=|K|=2^4$;
• S-boxes: $S_1 = [1 0]$ and $S_2 = $;
• The initial and the final permutation are the identity permutation;
• The expansion function is the identity function;
• The key schedule function is defined as follo... | HuggingFaceTB/finemath | |
Division of Complex Numbers Examples 1
# Division of Complex Numbers Examples 1
Recall from the Division of Complex Numbers page that if $z = a + bi, w = c + di \in \mathbb{C}$ then the quotient $\displaystyle{z \div w = \frac{z}{w}}$ is defined as:
(1)
\begin{align} \quad \frac{z}{w} = \frac{ac + bd}{c^2 + d^2} - \... | HuggingFaceTB/finemath | |
what represents a function
• What type of relation represents a function with two
2017-5-8 · 2 Answers2. Yes it is a 3-place relation. The infix notation ( x y) R z is very awkward though so typically we use something like R ( x y z) If the domain of the function is X 1 X 2 and the range is Y then a function f X 1 X ... | HuggingFaceTB/finemath | |
# Network Theory Questions and Answers – Synthesis of Reactive One-Ports by Foster’s Method
This set of Network Theory Multiple Choice Questions & Answers (MCQs) focuses on “Synthesis of Reactive One-Ports by Foster’s Method”.
1. The driving point impedance of a one-port reactive network is given by Z(s)=5(s2+4)(s2+2... | HuggingFaceTB/finemath | |
Math
posted by .
How much money must be deposited now at 6% interest compounded semiannually to yield an annuity payment of \$4,000 at the beginning of each six-month period for a total of five years answer needs to be rounded to the nearest cent
I got \$29,440.36
choices are \$38,120.80 or \$35,144.44
(and the one... | HuggingFaceTB/finemath | |
# Colliding trains
## Homework Statement
Collision - The engineer of a passenger train traveling at 25 m/s sights a freight train whose caboose is 200 m ahead on the same track. The freight train is traveling at 15 m/s in the same direction as the passenger train. The engineer of the passenger train immediately appli... | HuggingFaceTB/finemath | |
Solutions by everydaycalculation.com
## Subtract 1/50 from 21/30
21/30 - 1/50 is 17/25.
#### Steps for subtracting fractions
1. Find the least common denominator or LCM of the two denominators:
LCM of 30 and 50 is 150
2. For the 1st fraction, since 30 × 5 = 150,
21/30 = 21 × 5/30 × 5 = 105/150
3. Likewise, for the ... | HuggingFaceTB/finemath | |
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# Logarithm Bases Portfolio
Extracts from this document...
Introduction
Logarithm Bases
8/12/2012
IB-1 Mathematics
Introduction:
This portfolio is based on the mathematical concept of Loga... | HuggingFaceTB/finemath | |
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# Let S_1=sum_(j=1)^(10)j(j-1)^(10)C_j ,""S_2=sum_(j=1)^(10)j""^(10)C_i("andS")_"3"=sum_(j=1)^(10)j^2""^("10")"C"_"j"dot Statement-1: S_3=""55xx2^9 Statement-2: S_1=""90xx2^8a n d""S_2=""10xx2^8 . (1) ... | HuggingFaceTB/finemath | |
## Rate limiting step
Deena Doan 2F
Posts: 100
Joined: Sat Aug 17, 2019 12:17 am
### Rate limiting step
What is the rate-limiting step?
jisulee1C
Posts: 149
Joined: Thu Jul 25, 2019 12:17 am
### Re: Rate limiting step
the rate limiting step is the slowest step
Amanda Lin 2I
Posts: 101
Joined: Sat Aug 17, 2019 12... | HuggingFaceTB/finemath | |
## leebulls 2 years ago A rectangular garden has a perimeter of 92 feet. If the length of the garden is 1 foot greater than twice its width, what is the length of the garden in feet?
• This Question is Open
1. jazy
Step 1) Make two equations. 2l + 2w = 92 l = 1 + 2w
2. leebulls
The perimeter of a rectangular garden... | HuggingFaceTB/finemath | |
# Find f'(x). limit as x-->0 f(x)/x=3
Asked on by lebstar3
sciencesolve | Teacher | (Level 3) Educator Emeritus
Posted on
You need to remember the fact that the limit of rational function is a constant term if the order of polynomial numerator and the order of polynomial denominator are alike.
Notice that the deno... | HuggingFaceTB/finemath | |
# Thread: itnegral of sin x using the definition
1. ## integral of sin x using the definition
Hi,
I am trying to calculate:
$\int_0^{\pi}\sin x \,dx$
using the definition only, that is, that $\int_0^{\pi}\sin x\,dx = \lim_{n \to \infty}\sum_{i = 1}^{\infty}\sin(x_{i}^{*})\Delta x$, where $\Delta x = \frac{\pi}{n}$... | HuggingFaceTB/finemath | |
# Intuition for why mean of lognormal distribution depends on variance of normally distributed rv
Let $$X\sim\mathcal{N}(\mu,\sigma^2)$$, which is a normal distribution. Then, $$\text{exp}(X)\sim\text{Lognormal}(\mu,\sigma^2)$$, and its mean is
$$\mathbb{E}[\text{exp}(X)]=\text{exp}\left(\mu+\dfrac{\sigma^2}{2}\right... | HuggingFaceTB/finemath | |
# The battery charge is 194 kC with a voltage across its terminals of 12 V.
The battery charge is 194 kC with a voltage across its terminals of 12 V. Determine the energy required to charge the battery if its efficiency is 81%
Initial data: q (battery charge value) = 194 kC (194 * 10 ^ 3 C); U (voltage at the termina... | HuggingFaceTB/finemath | |
Infinite and Finite Square Wells
For the infinite square well in the first region, outside the well:
$$\frac{-\hbar^2}{2m}\frac{d^2 \psi}{dx^2} + V(x) \psi (x) = E \psi (x),$$
where you set $V = 0$. Rearranging gives $$\frac{d^2 \psi}{dx^2} = -\frac{2mE}{\hbar^2} \psi.$$
We identify $$k = \sqrt{\frac{2mE}{\hbar^2}}... | HuggingFaceTB/finemath | |
# What energy conversions take place in a pendulum?
Oct 21, 2015
Conversion of Kinetic into Potential Energy (and vice-versa).
#### Explanation:
When you move the bob of the pendulum to start the movement you "charge" it with (Gravitational) Potential Energy by varying its position (height) in relation to the groun... | HuggingFaceTB/finemath | |
Here girlfriend can discover 10/11 as a decimal, in addition to useful information about 10/11 in decimal form.
You are watching: 10/11 as a decimal
Simply the Best portion to Decimal Converter! Click to TweetIf you have been in search of 10 over 11 as a decimal, then you are best here, too.The terms supplied in this... | HuggingFaceTB/finemath | |
Prime Factors of 94144 Here we have a collection of all the information you may need about the Prime Factors of 94144. We will give you the definition of Prime Factors of 94144, show you how to find the Prime Factors of 94144 (Prime Factorization of 94144) by creating a Prime Factor Tree of 94144, tell you how many Pri... | HuggingFaceTB/finemath | |
## Colorful Mathematics: Part III
2. New problems from old ones
Mathematicians are trained to take a given problem and specialize it and generalize it in the hope that either new insights or new mathematical methods will emerge. Furthermore, if a particular mathematical statement can be proven with a new technique, ... | HuggingFaceTB/finemath | |
Anna, a 5th grader: "The sum of the angles of a triangle is not always 180o !"
Mr. Cohen told me that the number of degrees in a full turn or circle, is 360°. Then he asked me if I knew about the sum of the three angles in a triangle. I said no, so he told me: the sum of the three angles of a triangle are all the angl... | HuggingFaceTB/finemath | |
# Polynomial equal to polynomial of lower degree
I am studying Linear Algebra Done Right, chapter 2 problem 6 states:
Prove that the real vector space consisting of all continuous real valued functions on the interval $[0,1]$ is infinite dimensional.
My solution:
Consider the sequence of functions $x, x^2, x^3, \do... | open-web-math/open-web-math | |
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a) Let us find the truth table for $p ⊕ p$ and $(p ⊕ p) ⊕ p:$
$\begin{array}{|c|... | HuggingFaceTB/finemath | |
# How many matches did I win and how many ended in draw?
90 views
Once I challenged my neighbor for a game of chess everyday for an entire month consisting of 31 days. It was decided that whoever won after every match would be entitled to get \$2 dollars from the loser and the entire money won would be paid at the en... | HuggingFaceTB/finemath | |
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Document related concepts
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Transcript
```Introduction
Combining sine & cosine
a sin x + b cos x
Minimum & Maximum
Equations
Test
a sin x + b ... | HuggingFaceTB/finemath | |
# Partial Surface Area of a Tube
• I
• deweyirl
In summary, the conversation discusses calculating the surface area of an exposed pipe with a radius of 0.848 m buried 0.590 m below the ground. The total surface area is 5.64 m2 and can be calculated using the formula 2πr2. The conversation also mentions using the arc l... | HuggingFaceTB/finemath | |
# What is Modulus Operator in C Programming?
By Anjnee Bhatnagar|Updated : September 30th, 2022
In the C arithmetic operators, the modulus operator is an addition that operates on two possible operands. To obtain a result, it divides the provided numerator by the denominator. Put another way; it results in a remainde... | HuggingFaceTB/finemath | |
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# Search element in rotated sorted array
#### Algorithms Search Algorithms
Open-Source Internship opportunity by OpenGenus for programmers. Apply now.
In this article, we have explored how to search an element in a Rotated Sorted Array efficiently in O(logN) time with constant space O(1).
1. Un... | HuggingFaceTB/finemath | |
# Logic From Types
At the core of homotopy type theory (and its predecessors) is the idea of propostions as types. Namely, we interpret logical propositions - statements that are either true or false, as types, with a proposition being true if and only if the corresponding type has an element (i.e., there is an object... | HuggingFaceTB/finemath | |
# Circle A has a radius of 1 and a center of (1 ,2 ). Circle B has a radius of 2 and a center of (5 ,1 ). If circle B is translated by <-2 ,3 >, does it overlap circle A? If not, what is the minimum distance between points on both circles?
Jul 8, 2016
circle B overlaps circle A
#### Explanation:
What we have to d... | HuggingFaceTB/finemath |
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