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Voltage Division Practice
Practice question for ECE201: "Linear circuit analysis I"
By: Chinar Dhamija
Topic: Voltage Division
Question
Find V1.
Bottom of the circuit is considered to be ground.
First we need to find Vx. Vx can be found by voltage division.
Vx = 24(4 / (6 + 4))
= 9.6 V
Now, find the voltag... | HuggingFaceTB/finemath | |
# Quick Answer: What Is The 7 Digit Number?
## What is a 8 digit number?
A 8-digit number is a number that has 8 digits where the first digit must be 1 or greater.
How many 8-digit numbers are there.
Smallest 8-digit number.
The smallest 8-digit number is 1 followed by 7 zeros.
This number is called ten million..... | HuggingFaceTB/finemath | |
# Solve for a a^2+( square root of 3)^2=2^2 Rewrite as .
Use to rewrite as .
Apply the power rule and multiply exponents, .
Combine and .
Cancel the common factor of .
Cancel the common factor.
Divide by .
Evaluate the exponent.
Raise to the power of .
Move all terms not containing to the right side of the equation.
Su... | HuggingFaceTB/finemath | |
# HOMTESTS: Homogeneity tests In homtest: Homogeneity tests for Regional Frequency Analysis
## Description
Homogeneity tests for Regional Frequency Analysis.
## Usage
1 2 3 ADbootstrap.test (x, cod, Nsim=500, index=2) HW.tests (x, cod, Nsim=500) DK.test (x, cod)
## Arguments
x vector representing data from ma... | open-web-math/open-web-math | |
## Calculate real gdp given nominal gdp and price index
30 Sep 2015 Converting nominal GDP to real GDP requires dividing by the ratio of GDP an economy during a year, measured with prices from that particular year. Regardless, when we calculate real GDP, we express it in dollars for 11 Oct 2019 Nominal GDP measures t... | HuggingFaceTB/finemath | |
# How to know if a function is even or odd
Even and Odd. The only function that is even and odd is f(x) = 0. Special Properties. Adding: The sum of two even functions is even; The sum of two odd functions is odd; The sum of an even and odd function is neither even nor odd
## Even and odd functions
Is the function ev... | HuggingFaceTB/finemath | |
# What is wrong in this proof that $\pi=2$ or $x=2$?
Let us consider the number $$\Large\pi^{\pi^\pi}=\pi^{\pi\cdot\pi}=\pi^{\pi^2}$$
As the bases are equal, the exponents must be equal, So $$\pi=2$$
You can take any $x$ instead of $\pi$.
What is wrong in this proof?
• What is the argument why that should somehow ... | HuggingFaceTB/finemath | |
## Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)
$q=r-2p$
$\bf{\text{Solution Outline:}}$ To solve the given equation, $p=\dfrac{r-q}{2}$ for $q ,$ use the properties of equality to isolate the variable. $\bf{\text{Solution Details:}}$ Using the properties of equality to isolate the variab... | HuggingFaceTB/finemath | |
Home » 30 Months Is Equal To How Many Years? New Update
30 Months Is Equal To How Many Years? New Update
Let’s discuss the question: 30 months is equal to how many years. We summarize all relevant answers in section Q&A of website Countrymusicstop.com in category: MMO. See more related questions in the comments below... | HuggingFaceTB/finemath | |
What courses should you take in a given quarter? Answering this question requires balancing your interests, satisfying prerequisite chains, graduation requirements, availability of courses; this can be a complex tedious process. In this assignment, you will write a program that does automatic course scheduling for you... | HuggingFaceTB/finemath | |
# Cauchy product of series
I don't understand a small part in the proof that two absolutely convergent series have absolutely convergent cauchy product.
Instead of writing the whole thing, I'll write the essentials and the step I'm having trouble with.
$$\sum_{r=1}^{\infty}a_{r}$$ and $$\sum_{r=1}^{\infty}b_{r}$$ are... | open-web-math/open-web-math | |
# A review of covariances and the multivariate Gaussian
## Instructions:
Use the left and right arrow keys to navigate the presentation forward and backward respectively. You can also use the arrows at the bottom right of the screen to navigate with a mouse.
FAIR USE ACT DISCLAIMER:
This site is for educational purp... | HuggingFaceTB/finemath | |
L, W and also A there to brand each of this percent uncertainties. So, the percent apprehension in the length is the absolute uncertainty in the length of .005 meters divided by the size of 3.955 meters and then times that by 100% and also then, we have percent skepticism in the broad is also .005 meters, but then it's... | HuggingFaceTB/finemath | |
Sunday, 14 March 2010
Progress: Basic Algebraic Skills V3.8
Ch.7 Equations <- nearly complete
I'm thinking whether I should also put the convergence of series into this chapter since it may contain differentiation again~
Harmonic series as a special case of zeta function will surely be an interesting topic, but it mu... | HuggingFaceTB/finemath | |
Maths Resources GCSE Worksheets
# Completing The Square Worksheet
• Section 1 of the completing the square worksheet contains 36 skills-based questions, in 3 groups to support differentiation
• Section 2 contains 4 applied completing the square questions with a mix of worded problems and deeper problem solving questi... | HuggingFaceTB/finemath | |
1. ## Step by step
Walking slowly down the down-moving escalator, it requires 50 steps to reach the bottom.
Running up the escalator one step at a time, it takes 125 steps to reach the top.
Assuming that running pace is five times as fast as walking pace (that is, five steps are taken at running pace in the same time ... | HuggingFaceTB/finemath | |
Solutions by everydaycalculation.com
## Reduce 19/16 to lowest terms
19/16 is already in the simplest form. It can be written as 1.1875 in decimal form (rounded to 6 decimal places).
#### Steps to simplifying fractions
1. Find the GCD (or HCF) of numerator and denominator
GCD of 19 and 16 is 1
2. Divide both the nu... | HuggingFaceTB/finemath | |
# Video: Writing an Exponential Decay Model for a Given Situation
Bethani Gasparine
A doctor injected a patient with 13 milligrams of radioactive dye that decays exponentially. After 12 minutes, there were 4.75 milligrams of dye remaining in the patient system. What is an appropriate model for this situation?
01:20
... | HuggingFaceTB/finemath | |
## Programming Praxis – Traveling Salesman: Nearest Neighbor
In today’s Programming Praxis exercise we have to implement a significantly faster algorithm for the traveling salesman problem than in the previous exercise. Let’s get started, shall we?
As usual, some imports:
```import Control.Monad
import Data.List
imp... | HuggingFaceTB/finemath | |
Share on:
December 29, 2019
1. Introduction
2. NumPy Arrays
2.1 What’s A NumPy Array
2.2 Creating NumPy Arrays
2.3 Indexing And Modifying 1-D Arrays
2.4 Indexing And Modifying Multidimensional Arrays
2.5 Basic Math
3. Intermediate Array Stuff
3.2 newaxis
3.3 reshape
3.4 boolean indexing
3.5 nan
3.6 infinity
3.7 rando... | HuggingFaceTB/finemath | |
# 3D Printed Nautilus Gears
3,404
26
3
Posted
## Introduction: 3D Printed Nautilus Gears
This instructable will guide you through the construction and relationship between nautilus gears.
I have been fascinated by these items ever since I first saw them in an online video, I am also challenged by the opinion tha... | HuggingFaceTB/finemath | |
# Numerical Analysis Notes 1 for BS/MSc
Upon completing Numerical Analysis Notes 1 for BS/MSc, it is imperative to proceed with Numerical Analysis Notes 2 for BS/MSc.
Numerical Analysis is a branch of mathematics and computer science that focuses on the development and application of numerical algorithms to solve mat... | HuggingFaceTB/finemath | |
induction proof
Printable View
• Nov 1st 2008, 04:03 PM
NidhiS
induction proof
I need some help with this induction proof.I'm like stuck at a crucial point and don't know how to get past it and complete the proof (Thinking)
The question says:
Suppose $\displaystyle b1,b2,b3...$
is a sequence defined as follows :$\d... | HuggingFaceTB/finemath | |
Pointwise Addition on Complex-Valued Functions is Associative
Theorem
Let $S$ be a set.
Let $f, g, h: S \to \C$ be complex-valued functions.
Let $f + g: S \to \C$ denote the pointwise sum of $f$ and $g$.
Then:
$\left({f + g}\right) + h = f + \left({g + h}\right)$
Proof
$\, \displaystyle \forall x \in S: \,$ $\... | HuggingFaceTB/finemath | |
# Main Categories
Total:
\$0.00
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# 7th Grade Math STAAR Test Prep {Probability} TEKS 7.6ACDEHI
Product Description
**STAAR Test Prep** This document includes 2 assessments (2 sets of 10) over Grade 7 Probability TEKS 7.6ACDEHI. This is a 18-page document, which includes a Teacher Answer... | HuggingFaceTB/finemath | |
You are on page 1of 7
# Jonjo Carruthers A8037900 Thermo
Thermodynamics Assignment 1
Question 1 part A,
Pressure loss in a heat exchanger Δρ(PA)
## Pressure loss = wf=2fLU2DH
So knowing that;
A= 0.52m2
U= 0.00192m/s
L= 2.300m
Ρ=1Kg/m3
DH= 0.0015m
F=?
To work (U) out I used the equation of u=mρA but first calculati... | HuggingFaceTB/finemath | |
# Multiplication Chart Amazon
Understanding multiplication right after counting, addition, as well as subtraction is good. Youngsters find out arithmetic through a organic progression. This growth of learning arithmetic is truly the adhering to: counting, addition, subtraction, multiplication, and finally division. Th... | HuggingFaceTB/finemath | |
$$\require{cancel}$$
# 8.3: Boosts and Rotations
Skills to Develop
• Explain rotations and boosts
A relative of mine fell in love. She and her boyfriend bought a house in the suburbs and had a baby. They think they’ll get married at some later point. An engineer by training, she says she doesn’t want to get hung up... | HuggingFaceTB/finemath | |
1 pt
3.
Greg bought packages of red pens and packages of black pens. The packages of black pens had 5 pens in each package. The packages of red pens had 3 pens per package. Greg bought b packages of black pens and 6 packages of red pens for a total of 43 pens.
Which equation could Greg solve to determine the number o... | HuggingFaceTB/finemath | |
Four friends, Rocky, Rooney, David, and also Sam split a donut equally among themselves. Sam asked, "What portion of the donut do I have?" Rocky replied, " One fourth." Sam asked again, "Is it possible to compose it in a type that has actually denominator 1?".
You are watching: Whats 1/4 as a decimal
Let us help Sam ... | open-web-math/open-web-math | |
Next: Questions Up: Brillouin zones Previous: Brillouin zones
### Brillouin zones of different lattices
Let us see how we may construct the Brilloin zones for different lattices. We start with a one dimensional linear lattice for which the direct lattice translational vector T = a where a is the only basis vector ... | HuggingFaceTB/finemath | |
1. ## f(x)
Determine all polynomials$\displaystyle f(x)$
satisfying
$\displaystyle (x-243) f(3x) = 243 (x-1)f(x)$
for all $\displaystyle x$.
2. When $\displaystyle x=1$ the RHS = 0 so the LHS must be 0 as well; thus $\displaystyle f(3)=0.$
Substituting $\displaystyle x=3$ then gives RHS = 0 again, so LHS must be ... | HuggingFaceTB/finemath | |
# Differences
This shows you the differences between two versions of the page.
en:courses:2008-2009:aa_handouts [2009/06/08 11:06]didier en:courses:2008-2009:aa_handouts [2016/06/23 11:26] (current) Both sides previous revision Previous revision 2009/06/08 11:10 didier 2009/06/08 11:06 didier 2009/06/08 11:06 didier... | HuggingFaceTB/finemath | |
# calculus
posted by .
They're actaully 2 question :D
1.find the rate of change of the distance between the orgin and a moving point on the graph of y=x^2+1 if dx/dt=2 centimeters per second when x=1.
2.A triangular trough is 12 feet long and 3 feet across the top. it ends are isosceles triangles with altitude of 3... | HuggingFaceTB/finemath | |
# Proving an identity involving factorials
I have stumbled upon the following statement and have verified it computationally for many $n$ (up to n=500, it took a long time for my computer to do out all of the math), yet I have no idea how to go about proving it.
$$\sum _{ i=0 }^{ n } \sum _{ j=0 }^{ n } \frac { { ((2... | HuggingFaceTB/finemath | |
# Given a Metric, find the constants of motion
Gold Member
I have another question, if I am given a metric and I want to find the constants of motion of that system, then how do I do it?
Thanks!
Gold Member
To be more specific I have the metric: ##ds^2=-dt^2+a(t)^2(dx^2+dy^2+dz^2)+2dt(f(t)dx+h(t)dy+g(t)dz)##
and I ... | HuggingFaceTB/finemath | |
## How to use OFFSET function in excel
### How to use OFFSET function in excel?
OFFSET function returns a reference to a range or cell, when we give offset a number of rows and columns from another range or cell. Number of row and column can be negative and positive.
OFFSET very useful function in Excel. We use offs... | HuggingFaceTB/finemath | |
StudentShare solutions
# Handling Data Mayfield High - Research Paper Example
## Extract of sampleHandling Data Mayfield High
To test the hypothesis that there is a positive correlation between the height and the weight and "the taller a person the more they weigh", I used scatter plots and cumulative frequency diag... | HuggingFaceTB/finemath | |
# Proposition 31
To find two medial straight lines commensurable in square only, containing a rational rectangle, such that the square on the greater is greater than the square on the less by the square on a straight line commensurable in length with the greater.
X.29
Set out two rational straight lines A and B comme... | HuggingFaceTB/finemath | |
# Deriving transfer function from nyquist plot
I am given a half Nyquist plot as below
The dashed line stands for the asymptote of the locus and the poles are 0 or negative at real parts, besides there is no double root in the transfer function.
I learned the steps of plotting the Nyquist plot from an open-loop tran... | HuggingFaceTB/finemath | |
## 2D Shapes Practice Worksheets
2D Shapes worksheets for key stage 3 and key stage 4 gcse maths. 2D shapes worksheets in a pdf containing questions and answers which are in a table format. 2D Shapes worksheet 1 investigates properties of quadrilaterals using a cutting out and sorting exercise. 2D Shapes worksheet 2 a... | HuggingFaceTB/finemath | |
Re: [m1220] Equating a variable and its value
• To: mathgroup at christensen.cybernetics.net
• Subject: [mg1267] Re: [m1220] Equating a variable and its value
• From: Allan Hayes <hay at haystack.demon.co.uk>
• Date: Wed, 31 May 1995 02:15:37 -0400
```Jan Snellman <jans at matematik.su.se>
[m1220] Equating a variable... | HuggingFaceTB/finemath | |
# Minimum Coin Change Problem & 2 Solutions (Recursion & DP)
DSA is not a piece of cake! There are endless amounts of questions each getting solved with a different approach using the same Data Structure. Hence, we bring to you another amazing tech blog on a question that can be solved with both recursion as well as d... | HuggingFaceTB/finemath | |
Hydrofoil Lift Calculator
About Hydrofoil Lift Calculator (Formula)
The Hydrofoil Lift Calculator is a tool used to estimate the lift force generated by a hydrofoil. It helps in predicting the hydrodynamic performance and stability of hydrofoil designs by considering factors such as foil shape, angle of attack, fluid... | HuggingFaceTB/finemath | |
### Exemplar - Mags Maths
```Exemplar 91586
2013
Question One
• The weight of individual guavas is normally
distributed with a mean of 215 g with a
standard deviation of 13.2 g. A canning factory
accepts guava for processing in three
categories: less than 200 g, at least 200 g but
less than 220 g, and 220 g and over.
... | HuggingFaceTB/finemath | |
$$\require{cancel}$$
2.12: Applications of Newton's Equations of Motion
• • Contributed by Douglas Cline
• Professor (Physics) at University of Rochester
Newton’s equation of motion can be written in the form
$\label{eq:2.90} \mathbf{F} = \frac{d\mathbf{p}}{dt} = m\frac{d\mathbf{v}}{dt} = m\frac{d^2\mathbf{r}}{dt^2... | HuggingFaceTB/finemath | |
# Lecture 4. Basic Binary Arithmetic 2 Single-bit AdditionSingle-bit Subtraction s 0 1 1 0 c 0 0 0 1 xy 0 0 1 1 0 1 0 1 Carry Sum d 0 1 1 0 xy 0 0 1 1 0.
## Presentation on theme: "Lecture 4. Basic Binary Arithmetic 2 Single-bit AdditionSingle-bit Subtraction s 0 1 1 0 c 0 0 0 1 xy 0 0 1 1 0 1 0 1 Carry Sum d 0 1 1 0 ... | HuggingFaceTB/finemath | |
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# Arithmetic Mean Formula
Last updated date: 29th Nov 2023
Total views: 311.7k
Views today: 9.11k
## Arithmetic Mean
According to statistics, the arithmetic mean is the ratio of all observations in a data set to the total number of observations. For ... | HuggingFaceTB/finemath | |
## Mystic Number 7
Why we frequently use number 7?
Why there are seven days of week? seven deadly sins? seven wonders? . . . .
Look for the answer in the night sky or at aplusclick.org
## Cat, Rat, Hat, and Mat
Mary has a cat, and a rat, and a hat, and a mat.
If the cat is on the mat, and rat is in the hat, but t... | HuggingFaceTB/finemath | |
## 2019年4月3日水曜日
### 数学 - Python - 解析学 - 級数 - テイラーの公式 - 指数関数(逆数、小数第3位まで、剰余項の評価)
1. $\begin{array}{}{e}^{-x}\\ =1-x+\frac{1}{2!}{x}^{2}-\frac{1}{3!}{x}^{3}+\frac{1}{4!}{x}^{4}-\frac{1}{5!}{x}^{5}+\frac{1}{6!}{x}^{6}+\left|{R}_{7}\right|\\ 7!=5040\\ {R}_{7}\le \frac{1}{5040}·{e}^{0}=\frac{1}{5040}\end{array}$
求める小数第3位ま... | HuggingFaceTB/finemath | |
## Swim team members can race or dive. At a meet, 18 members race. The ratio of racers to divers is 6:2. How many meters are on the team? Show
Question
Swim team members can race or dive. At a meet, 18 members race. The ratio of racers to divers is 6:2. How many meters are on the team? Show your work.
Plz help it du... | HuggingFaceTB/finemath | |
# Prove « If P(A) is a subset of P(B) => A is a subset of B » [duplicate]
I need to prove «If P(A) is a subset of P(B) => A is a subset of B», generally, I understand the main way I should prove it, but the problem is in the formal, pedantic language I have to use to prove such statement.
General proof is:
1. Let sup... | open-web-math/open-web-math | |
# Understanding that multiplication and division are inverse operations
In this lesson we will explore the notion of inverse operations and use our times tables knowledge to answer division questions.
Quiz:
# Intro quiz - Recap from previous lesson
Before we start this lesson, let’s see what you can remember from t... | HuggingFaceTB/finemath | |
1. ## Parametric equations
I have just been doing an integration question where I was asked to use substitution $y=2Asin^2(u/2)$. so now i have done the integration
and got $x-B=4A^{2}(u-sin(u))$ and I need to show the parametric solution is
y=A(1-cos(u)) and x=A(u-sin(u))+B
Ok so if $y=2Asin^2(u/2)$, then y=A(1-co... | HuggingFaceTB/finemath | |
# Hausdorff dimension Example of non-integer dimensions. The first four iterations of the Koch curve, where after each iteration, all original line segments are replaced with four, each a self-similar copy that is 1/3 the length of the original. One formalism of the Hausdorff dimension uses this scale factor (3) and th... | HuggingFaceTB/finemath | |
# Highest Common Factor and Lowest Common Multiple
In this worksheet, students will be asked to recap their knowledge of common denominators, reducing fractions and then solving worded problems.
Key stage: KS 2
Curriculum topic: Number: Fractions, Decimals and Percentages
Curriculum subtopic: Use Common Factor... | HuggingFaceTB/finemath | |
# What Is -9+4 Equal ?
Here are some rule : I will take 9 as first number and 4 as second number in the example
If both the number have negative sign (-) then you will add both the number and put "-" sign with the end result e.g -9-4= - 13
If one number has negative sign "-" and other has positive "+" sign then you ... | HuggingFaceTB/finemath | |
#### What is 17.3 percent of 160,000?
How much is 17.3 percent of 160000? Use the calculator below to calculate a percentage, either as a percentage of a number, such as 17.3% of 160000 or the percentage of 2 numbers. Change the numbers to calculate different amounts. Simply type into the input boxes and the answer wi... | HuggingFaceTB/finemath | |
# What percent is one number of another number?
What percent is one number of another number this we will discuss here.
Sometimes we are given two numbers or quantities and we want to find what percent is one number of another number.
In other words, we want to find how many hundredths of one number should be taken s... | HuggingFaceTB/finemath | |
# Direction of the flow
#### Voltboy
Joined Jan 10, 2007
197
im really strating in electronics.. so plz dont blame me for this question.
Some tutorial say that the electricity goes form negative (-) to positive (+) and somes say its from positives (+) to negative (-) so how it works?.. and when its a circuit with gro... | HuggingFaceTB/finemath | |
# Class Greeting. Chapter 8 Systems of Linear Equations and Inequalities Lesson 8-1a Solving Systems Equations by Graphing 1.Determine if a system of equations.
## Presentation on theme: "Class Greeting. Chapter 8 Systems of Linear Equations and Inequalities Lesson 8-1a Solving Systems Equations by Graphing 1.Determin... | HuggingFaceTB/finemath | |
Cover Up
7 teachers like this lesson
Print Lesson
Objective
SWBAT use number grid patterns to determine the covered numbers. SWBAT record any number from 1-170.
Big Idea
Yesterday we added it up and today we cover it up. Students will work in pairs as they cover random numbers on a number grid and ask their partne... | HuggingFaceTB/finemath | |
Question Answers
# The circle drawn with variable chord $x+ay-5=0$($a$being parameter) of the parabola${{y}^{2}}=20x$as diameter will always touch the line(a) $x+5=0$(b) $y+5=0$(c) $x+y+5=0$(d) $x-y+5=0$ Hint: To find the circle with variable chord of the parabola as its diameter, we will
first find the exact eq... | HuggingFaceTB/finemath | |
# A real and normal matrix with all eigenvalues complex but some not purely imaginary?
I'm trying to construct a normal matrix $A\in \mathbb R^{n\times n}$ such that all it's eigenvalues are complex but at least one of then also has a positive real part (well, at least two then, since the entries are real they'd come ... | HuggingFaceTB/finemath | |
# Gamma Distribution
Printable View
• Mar 4th 2009, 06:29 PM
HoJo1001
Gamma Distribution
if we have these data points
4.413696 12.70539 14.2436 3.690484 14.02695 5.155644 1.657827 2.321249 5.034854 17.78997 14.17351 6.58265 14.53798 9.368805 13.46552 16.19866 8.830075 17.0933 5.909151 8.476882 16.87285 10.99451
and ... | HuggingFaceTB/finemath | |
Q. 1 B5.0( 1 Vote )
# Find the interval
Answer :
Given:- Function f(x) = x2 + 2x – 5
Theorem:- Let f be a differentiable real function defined on an open interval (a,b).
(i) If f’(x) > 0 for all , then f(x) is increasing on (a, b)
(ii) If f’(x) < 0 for all , then f(x) is decreasing on (a, b)
Algorithm:-
(i) Obt... | HuggingFaceTB/finemath | |
### ¿Todavía tienes preguntas de matemáticas?
Pregunte a nuestros tutores expertos
Algebra
Pregunta
A. Determine if the given equation is linear, quadratic, or neither.
1. $$4 x - 5 = 6$$
2. $$5 x + 7 = 3 ( x - 1 )$$
3. $$m ^ { 2 } - 5 m - 6 = 0$$
4. $$y ^ { 3 } + 6 y ^ { 2 } - 7 y = 8$$
5. $$\frac { 1 } { x - 8... | HuggingFaceTB/finemath | |
### POLYGONS
Polygons
Polygons play a fundamental role in Islamic geometrical design. When combined with identical or other-shaped polygons they form grids. These grids in turn form the structure behind geometrical designs. Two examples of polygons are the snowflake on the left of this page and the tiles in the main... | HuggingFaceTB/finemath | |
# 10.10: A Closer Look at the Four Force Balances
## Geostrophic Balance
This balance occurs often in atmospheric flow that is a straight line $$(R=\pm \infty)$$ well above Earth’s surface, so that friction does not matter. The Rossby number, $$R_{O}$$, is much less than 1. Let’s think about how this balance might oc... | HuggingFaceTB/finemath | |
# airplane wing design
In principle, an airplane can fly because its wings generate lift force. The principle of the formation of lift can occur because of the “suction” of air upward due to the shape of the airfoil that is designed in such a way. The formation of lift can also be caused by the higher angle of attack ... | HuggingFaceTB/finemath | |
Integral inequality
Homework Helper
Homework Statement:
Prove $$k^2\int_k^\infty g(x) dx\leq\frac{4}{9}\int_0^{\infty}x^2g(x) dx$$ for a non-increasing function ##g(x)##.
Relevant Equations:
The inequality is very easy to prove if ##g(x)## is constant for ##0<x<k+a## and zero otherwise. So I will use it.
I have to pro... | open-web-math/open-web-math | |
After our trip to the bowling alley, we continued our physics lesson with a trip to the arcade! If your kids love games, grab this worksheet and read on for another fun lesson in physics!
## Force
Just like we did in the bowling alley, we found opportunities to play with the force formula at the arcade. Remember:
##... | HuggingFaceTB/finemath | |
## What is partial differential equation with example?
Many physically important partial differential equations are second-order and linear. For example: uxx + uyy = 0 (two-dimensional Laplace equation) uxx = ut (one-dimensional heat equation)
## How do you write a partial differential equation?
Partial differential... | HuggingFaceTB/finemath | |
# Deciphering Ceasar basic concept
Deciphering
Ciphertext: “VaqrprzoreoeratraWhyvhfraJnygreUbyynaqreqrgjrroebrefinaRqvguZnetbganne NzfgreqnzNaarjvytenntzrrxbzraznnezbrgabtrrarragvwqwrovwbzn oyvwiraBznmnyurgzbrvyvwxuroorabzNaarabtrracnnejrxraqnnegrubhqrafpuev wsgRqvguSenaxvarraoevrsnnaTregehqAnhznaauhaiebrtrerohhezrv... | HuggingFaceTB/finemath | |
# Contextual Resources
Displaying 1 - 10 of 110 resources:
## Remembrance Day Quiz for ICT and/or English
Fourteen questions related to Remembrance Day (topics include WW1, WW2 ration books, Korean War, war poetry, etc.). Use as a traditional paper-based quiz or an IT based investigation. Learners could work indivi... | HuggingFaceTB/finemath | |
jan 11
# tangent of a circle calculator
Click here for the formulas used in this calculator. It is called "cotangent" in reference to its reciprocal - the tangent function - which can be represented as a line segment tangent to a circle. tan(x) calculator. The square of the length of tangent segment equals to the dif... | HuggingFaceTB/finemath | |
# find the critical numbers of the function:
• Oct 26th 2009, 04:28 PM
hazecraze
find the critical numbers of the function:
$f(x)=x^\frac{4}{5}(x-4)^2$
find the critical numbers of the function:
$f'(x)=\frac{4}{5}x^\frac{-1}{5}(x-4)^2 + 2(x-4)(x^\frac{4}{5})
$
factor a term out:
$x^\frac{-1}{5}(\frac{4}{5}(x-4)^2 + ... | HuggingFaceTB/finemath | |
# PDF of two PDFs
MO53
Any help is appreciated on this:
This is the projection on the x axis of a 2-bar linkage. I need to find the PDF of the end of the second link (point B)
1. Link C of length rC is pinned at the origin and its other end is pinned to link B at point C. Its length projected on the x axis is nomall... | HuggingFaceTB/finemath | |
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SME_8e_Ch_08_Section_1
# SME_8e_Ch_08_Section_1 - CHAPTER 8 SECTION 1 CONTINUOUS...
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1 CHAPTER 8 SECTION 1: CONTINUOUS PROBABILITY DISTRIBUTIONS MULTIPLE CHOICE 1. Which of the following represents a... | HuggingFaceTB/finemath | |
+0
# Probability
0
112
2
If you were to pick two students out of a class of 7 girls and 6 boys, what is the probability that the students chosen are two boys?
Dec 11, 2021
#1
+23186
0
The number of ways to choose 0 girls from a group of 7 girls is: 7C0
The number of ways to choose 2 boys from a group of 6 boys ... | HuggingFaceTB/finemath | |
Definition and calculation of area moment of inertia or second moment of area of plane section of structural members
Moment of Inertia or second moment of area is a geometrical property of a section of structural member which is required to calculate its resistance to bending and buckling. Mathematically, the moment o... | HuggingFaceTB/finemath | |
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Find the values of each of the expressions in Exercises 16 to 18.
18.
Given that we can take , then or We have similarly; Therefore we can write from
Find the values of each of the expressions in Exercises 16 to 18.
17.
As we know If which is... | HuggingFaceTB/finemath | |
## Search your topic here
### Relation
Prob. Let A,B,C be any three sets, then prove that-
AX(BC) = (AXB) (AXC)
Prob. Prove that-
A(BC) = (AB) (AC)
Prob. If A, B, C, D are any four sets then prove that -
(AB)X(CD) = (AXC)(BXD)
Prob. Show that-
(PQ)X(RS) = (PXR)(QXS)
For some arbitrary sets P, Q, R and S.
Prob. Sh... | HuggingFaceTB/finemath | |
## Aug 16, 2016
### Otsu threshold
Previously, in my post about Canny edge detector, we had seen that one of the required steps for obtaining perfectly thinned edges was thresholding, in the source code example for that post I've used an arbitrary good enough value for the thersholds. In this post I'll show you an al... | HuggingFaceTB/finemath | |
Solving absolute value problems
# Solving absolute value problems http://www.filippotenaglia.net/examples-of-essay-format/ solving one side of equations. Value on solving absolute value of 2600000 how the real numbers; share. From: solving absolute values of 2016 word problems with a strong and solve absolute value in... | HuggingFaceTB/finemath | |
# Skateboarder on a ramp| Physics
### A) How far from the end of the ramp does the skateboarder touch down?
SOLUTION:
PART A
This is a two-part problem. Use an s-axis parallel to the slope for the first part, regular xy-coordinates for the second. The skateboarder’s final velocity at the top of the ramp is her init... | HuggingFaceTB/finemath | |
## Thursday, November 17, 2016
### Smallest number by rearranging digits of a given number - GeeksforGeeks
Smallest number by rearranging digits of a given number - GeeksforGeeks
Find the Smallest number (Not leading Zeros) which can be obtained by rearranging the digits of given number.
1. Count the frequency of ea... | HuggingFaceTB/finemath | |
## MAFS.912.S-ID.1.2
There are 205 resources.
Title Description Thumbnail Image Curriculum Topics
## Closed Captioned Video: Measures of Central Tendency: Finding the Mean of a Data Set I
### In this video tutorial students learn how to calculate the mean when all of the data items are positive numbers. Includes thr... | HuggingFaceTB/finemath | |
# easther bennett 2020
EDIT #1. I am a Calculus I student and we are into our second week and finishing up limits. Subscribe to our Newsletter! Solutions Graphing Practice ; Geometry beta; Notebook Groups Cheat Sheets; Sign In; Join; Upgrade; Account Details Login Options Account Management Settings Subscription Logou... | HuggingFaceTB/finemath | |
# Difference Between Moment and Couple
## Main Difference – Moment vs. Couple
In physics, the terms moment and couple are related to forces that cause turning effects on bodies. The main difference between moment and couple is that, in a moment, there may or may not be a resultant force as a consequence of the forces... | HuggingFaceTB/finemath | |
# Place a piece of string round the circle and then open it out flat:
## Presentation on theme: "Place a piece of string round the circle and then open it out flat:"— Presentation transcript:
Place a piece of string round the circle and then open it out flat:
The circumference is the distance around a circle. Place a... | HuggingFaceTB/finemath | |
# Elementary Measure Theory Problem
I'm trying to solve the following exercise but I always end up missing some vital step along the way, so any help would be much appreciated!
Let $\mathbb{Q}$ be the set of all real rational numbers, and let $I_Q = \{[a, b)_Q : a, b ∈ \mathbb{Q}\}$ where $[a, b)_Q = \{q ∈ \mathbb{Q}... | HuggingFaceTB/finemath | |
# Consecutive Sudoku
## Diagonal Non-Consecutive Sudoku
Sudoku Non-consecutive-diagonal 9×9 1 puzzle
This is a non-consecutive-diagonal sudoku puzzle. No digit may be diagonally-adjacent to a consecutive digit. But as you can see from the givens, consecutive numbers can be adjacent horizontally or vertically. What ... | HuggingFaceTB/finemath | |
## 5 quarts to liters
5 quarts to liters: Uncategorized
2 seconds ago
The mass of one liter liquid water is almost exactly one kilogram. What is 5 liters in quarts? The conversion factor from liters to quarts is 1.0566882049662, which means that 1 liter is equal to 1.0566882049662 quarts: 1 L = 1.0566882049662 qt. To... | HuggingFaceTB/finemath | |
Salta al contenuto
## Request
• Understand and discuss the notion of conditional frequency
• Insight 2: Research the various approaches to define the concept of probability, the ‘Kolmogorov axioms’ and the relationship with the notion of (relative) frequency.
• Exercise: take a CSV file and read all the lines. Split... | HuggingFaceTB/finemath | |
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# Winter Olympic Math - 5th Grade
Make sure the athletes aren't the only ones working hard. Put your 5th grader's math skills to the test with these Winter Olympic math worksheets.
### Winter Sports: Practice Reading a Bar Graph
Celebrate the winter Olympics with this 2nd grade ... | HuggingFaceTB/finemath | |
# What is Square Root of 212 ?
The square root is a number which results in a specific quantity when it is multiplied by itself. The square root of 212 is 14.56022
Square Root of 212
√212 = √(14.56 x 14.56) 14.56022
The square root is a number which results in a specific quantity when it is multiplied by itself. Th... | HuggingFaceTB/finemath | |
# Differential equations and non-linearity
The way most of us learn scientific disciplines is by the use of well established formulas (something like the ideal gas law relating the pressure, temperature and volume, PV=nRT). It is likely true that many scientific disciplines are vitally dependent on such "pure facts", ... | HuggingFaceTB/finemath | |
Associated Topics || Dr. Math Home || Search Dr. Math
### Quick Way to Expand Binomials Raised to Powers
```Date: 11/03/2006 at 01:28:11
From: Daryl
Subject: unique method for binomial expansions
I have a question about a method I once learned to expand a binomial
raised to a power, i.e., a method to expand somethin... | HuggingFaceTB/finemath |
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