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## Thursday, November 26, 2015
### Concept of Mandays, Pipes and Cisterns, Time and Work Special Case with solved examples Video
This is the second video of Time and Work module. In this video I have started with the concept of mandays. Specific types of questions concept which involve the comparison of work and effi... | HuggingFaceTB/finemath | |
# draft of GC workshop report
Here's a draft of the workshop report, which will go in Real Soon Now
for inclusion in the Addendum to the OOPSLA proceedings.
Please have a look at it, especially your part, and see if it looks OK.
(Don't worry about formatting --- that will change.)
If you'd rather NOT have your addre... | open-web-math/open-web-math | |
# Consider the directed graph shown in the figure below. There are multiple shortest paths between vertices S and T. Which one will be reported by Dijkstra’s shortest path algorithm? Assume that, in any iteration, the shortest path to a vertex v is updated only when a strictly shorter path to v is discovered.
This que... | HuggingFaceTB/finemath | |
+0
# Casino Bonus calculation
0
53
4
Trying to calculate the average value of a casino bonus.
Bonus is 100 and you have to turn over 3600 (100x36) for the bonus to become real money.
The average return for each bet is 97% (3% margin for the casino).
Lets say I want to calculate the value for 5000 bonuses (100*500... | HuggingFaceTB/finemath | |
Article From:https://www.cnblogs.com/Tang-tangt/p/9122471.html
Original website: https://www.lintcode.com/problem/search-for-a-range/description
### describe
Given a given onen Order an array of integers to find a given target valuetarget The starting and ending positions.
If the target value is not in the array, t... | HuggingFaceTB/finemath | |
# General differentiation questions
Show 40 post(s) from this thread on one page
Page 1 of 2 12 Last
• Oct 23rd 2007, 01:38 PM
Apex
General differentiation questions
Hi
Some questions I can't do. This one is Q6. The textbook answers are
x < - 2^0.5, x > 2^0.5
BTW I MEAN +/- ROOT 2 FOR THE LAST BIT OF WORKING
• Oct 2... | HuggingFaceTB/finemath | |
# Context
I have a set of data points $$\{x_1, \dots, x_N \}$$ along with the respective measurement uncertainties $$\{\epsilon_1, \dots, \epsilon_N\}$$ in them ($$N \approx 100$$). These data are basically the measured distances to the occurrences of some astrophysical process, and I am trying to estimate the spatial... | HuggingFaceTB/finemath | |
# Present Value of $5 in 24 Years When you have a single payment that will be made to you, in this case$5, and you know that it will be paid in a certain number of years, in this case 24 years, you can use the present value formula to calculate what that $5 is worth today. Below is the present value formula we'll use t... | HuggingFaceTB/finemath | |
# Peak flow calculation using rainfall data
I am trying to use the Curve Number Method to calculate the peak flow over an area. The precipitation is provided in a table, with the first column being the time (hr), second column being the incremental rainfall at each time (inch.), and the third being the cumulative rain... | HuggingFaceTB/finemath | |
# Derivative of unitary time evolution operator
Consider the unitary time evolution operator
$$U(t) = \exp\left(\frac{-iHt}{\hbar}\right)$$ and its hermitian conjugate:
$$U(t)^{\dagger} = \exp\left(\frac{iHt}{\hbar}\right)$$
The derivatives of these operators are as follows:
$$\frac{\partial U(t)}{\partial t} = \f... | HuggingFaceTB/finemath | |
# 2017 AMC 12A Problems/Problem 21
## Problem
A set $S$ is constructed as follows. To begin, $S = \{0,10\}$. Repeatedly, as long as possible, if $x$ is an integer root of some polynomial $a_{n}x^n + a_{n-1}x^{n-1} + \dots + a_{1}x + a_0$ for some $n\geq{1}$, all of whose coefficients $a_i$ are elements of $S$, then $... | HuggingFaceTB/finemath | |
# Course 111: Algebra, 20th April 2007 1. Consider the matrix ```Course 111: Algebra, 20th April 2007
To be handed in at tutorials on April 23rd and 24th.
1. Consider the matrix
1 0
1
A = 2 −2 −1
0 0
1
Write A in its Jordan form, J by determining the matrix V which
transforms A according to J = V −1 AV .
Us... | HuggingFaceTB/finemath | |
# Calculate Satellite Constellation Launch Interval
I am trying to deploy three relay satellite constellations.
One between the orbit of Moho and Eve with four satellites.
One between Kerbin and Duna with six satellites.
One between Dres and Jool with eight satellites.
I would like the satellites in each constella... | HuggingFaceTB/finemath | |
# Corresponding parts of similar figures worksheet answers
Comparing Numbers. Division Basic. Division Long Division. Hundreds Charts. Multiplication Basic. Multiplication Multi-Digit. Ordered Pairs. Place Value. Skip Counting. Telling Time. Word Problems Multi-Step. More Math Worksheets. Reading Comprehension Gr. Rea... | HuggingFaceTB/finemath | |
697 in Words
697 in words is written as Six hundred ninety-seven. If you paid Rs. 697 for a book, then you can say, “I paid Six hundred ninety-seven rupees for the book”. Here, Six hundred ninety-seven represents the word form or number name of 697. In this article, you will learn how to convert the cardinal number 69... | HuggingFaceTB/finemath | |
# Quick Answer: What Is Tolerance In A Resistor?
## What color is a 100 ohm resistor?
The color code for the four bands 100 Ohm resistor is brown, black, brown, gold..
## Do the resistors lie within the tolerance limits?
Resistors don’t inherently have tolerance. They are made to certain tolerances. … This is the a... | HuggingFaceTB/finemath | |
# Confusion about proof in Spivak?
I am currently reviewing some of the proofs in Spivak's Calculus, and I have come across this statement as a part of the proof for Extreme value theorem.
if $f(x)$ is continuous on $[a, b]$ then for every $\epsilon > 0$ there is $x$ in $[a, b]$ with $L - f(x) < \epsilon$ where $L$ i... | open-web-math/open-web-math | |
# How many words of length $k$ on $l$ letters avoid a partial word?
ORIGINAL QUESTION
This is a hopefully smarter and better-informed version of a question I asked on MathOverflow. When I asked that question, I did not even know the name of the area of mathematics my problem was in. Now I am pretty sure it lies in Al... | open-web-math/open-web-math | |
## Estimating and Measuring Amounts: When Students Ask
• Why do I need to learn about both customary units and metric units of measurement?
Have students identify real-life situations in which they used customary units of measurement. Then have them identify real-life situations in which they used metric units of meas... | HuggingFaceTB/finemath | |
The answer to this question really depends on your location since the measurement units are different in different parts of the world.
If we take the International System of Units or SI Units into account then we can determine the answer to How many ounces in a gallon. SI units are nearly universal and accepted world... | HuggingFaceTB/finemath | |
### Author Topic: calculate average wind direction? (Read 42354 times)
0 Members and 2 Guests are viewing this topic.
#### m77 ##### calculate average wind direction?
« on: August 18, 2010, 12:57:36 PM »
i saw that NOAA use arctan(u/v) to do this,
http://www.ndbc.noaa.gov/wndav.shtml
but can anyone run me through ... | HuggingFaceTB/finemath | |
Let R be the relation defined on the set
Question:
Let R be the relation defined on the set A = {1, 2, 3, 4, 5, 6, 7} by R = {(ab) : both a and b are either odd or even}. Show that R is an equivalence relation. Further, show that all the elements of the subset {1, 3, 5, 7} are related to each other and all the element... | HuggingFaceTB/finemath | |
## Wednesday, June 17, 2015
### Geometry for the Cobb-Hepburn House, Part 1
When does geometry enter into the design and construction of a building?
Not at first.
Only when the basics are answered can layout and design begin, can geometry be considered.
The design of any building begins with need, ‘What?’ and ‘Why?’... | HuggingFaceTB/finemath | |
# Contents
## Preface
This is a paper that John Baez and Todd Trimble are writing. There is a followup, Schur functors II.
## Introduction
Classically, a Schur functor is a specific sort of functor
$F: \Fin\Vect \to \Fin\Vect$
where $Fin\Vect$ is the category of finite-dimensional complex space. Namely, it is one... | open-web-math/open-web-math | |
# FREE NYC Civil Service General Information Questions and Answers
0%
#### Which alphabetical order should the names on the following list be filed in? 1. Ollie Bush 2. Dewey Bridges 3. Lori Alexander 4. Alfredo Nunez 5. Darryl Bridges 6. Tracey Nunezb Normally, names are filed with the last name coming first and the... | HuggingFaceTB/finemath | |
Challenge #1013 "favorite series" (18/11/22) Entries CLOSED
Theme #1013 for Friday 18th of November 2022 is:
favorite series
Entry closes on Monday, 22:30 GMT (Mon, Nov 21, 2022 10:30 PM)
How do I post my entry? Here is an Example: (click to open)
Title: In a line pure
Please remember to state if your entry is pu... | HuggingFaceTB/finemath | |
Proving A Number Is Not 1
I want to do some more tricky examples of using this ε idea, where I show two numbers have to be the same because the difference between them is smaller than every positive number. Before I do, I want to put out a problem where we can show two numbers are not the same, since I think that make... | HuggingFaceTB/finemath | |
My Math Forum Exponents - conditions
Number Theory Number Theory Math Forum
September 20th, 2011, 05:38 AM #1 Newbie Joined: Sep 2011 Posts: 18 Thanks: 0 Exponents - conditions Hi! As I was solving a math problem (an equation with exponents) I found myself unable to go any further without having determined what c... | HuggingFaceTB/finemath | |
# Differential Equations MATLAB Homework Help
A differential equation is a mathematical equation that relates an unknown function of one or more variables that with its derivatives. The differential equations arise whenever a deterministic relation involving some continuously varying quantities (modeled by functions) ... | HuggingFaceTB/finemath | |
# trace
Printable View
• Dec 1st 2010, 08:39 AM
alexandrabel90
trace
let A be an nxn matric and the trace of A is defined by tr(A)= a_11+a_22...+a_nn . Prove that the coeff of x^(n-1) in the characteristic polynomial is -tr(A)
• Dec 1st 2010, 09:14 AM
FernandoRevilla
Quote:
Originally Posted by alexandrabel90
let A ... | HuggingFaceTB/finemath | |
# Algebra 1
WELCOME TO ALGEBRA
Textbook and TenMarks: protal.rbusd.org
Worked out solutions to odd number problemshttp://www.bigideasmathsolutions.com/
Select High School Common Core
Click on the Algebra 1 Textbook
Select the book chapter and section you are working on
Select the number of the problem you are w... | HuggingFaceTB/finemath | |
Convert 251 degrees to percent
The pie chart below shows a 251 degree angle outlined with blue lines inside a circle. This page will show you how to calculate what percent of the circle is shaded in green between the two blue lines. There are 360 degrees in a circle or pie, and percent means per hundred (100). To conv... | HuggingFaceTB/finemath | |
DirectionalCovariantDerivative - Maple Help
Home : Support : Online Help : Mathematics : DifferentialGeometry : Tensor : DirectionalCovariantDerivative
Tensor[DirectionalCovariantDerivative] - calculate the covariant derivative of a tensor field in the direction of a vector field and with respect to a given connectio... | HuggingFaceTB/finemath | |
# Table of Content
## Logical Reasoning : Square & Cube Series (Multiple Choice Questions)
Question 1
1, 4, 9, 16, ...
A 49 B 50 C 25 D 36
Question 1 Explanation:
Simple Square Series -
12,22,32,42,52
Question 2
1, 9, 25, 49, ...
A 121 B 49 C 81 D 64
Question 2 Explanation:
Series of Squares of Odd numbers -
12,... | HuggingFaceTB/finemath | |
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# What is 51/264 as a decimal?
## Solution and how to convert 51 / 264 into a decimal
51 / 264 = 0.193
Convert 51/264 to 0.193 decimal form by understanding when to use each form of the number. Both are used to handle numbers less than one or between whole numbers, known as integers. The difference between using a f... | HuggingFaceTB/finemath | |
1. ## Variable Factions help
$\displaystyle \frac{2}{15x} + \frac{7}{18}$
Can someone please go through the details on how to solve this? The correct answer is$\displaystyle \frac{12+35x}{90x}$
Edit: Title should read variable Fractions obviously my mistake.
2. Originally Posted by cmf0106
$\displaystyle \frac{2}{1... | HuggingFaceTB/finemath | |
# Statistics and Probability Worksheets
Click here to go back to the main statistics and probability page.
Scroll down to see all choices.
## Probability - Level 1
This free one page worksheet covers probability. It includes simple probability word problems.
Key concept: Probability helps us deal with uncertainty ... | HuggingFaceTB/finemath | |
1. ## Solving logarithmic functions.
It escapes me how to do these at the moment.
Time is a factor! <3
2. $3 ln(x^3 y^4) +5 ln(x^{-1})-4 ln(y)$
$3 ln(x^3)+3ln(y^4)-5ln(x)-4ln(y)$
$9ln(x)+12ln(y)-5ln(x)-4ln(y)$
$4ln(x)+8ln(y)$
I've used the following properties:
$ln(ab)=ln(a)+ln(b)$
$ln(a^n)=n*ln(a)$
$\frac {1}{x}=x... | HuggingFaceTB/finemath | |
Please support this site by disabling or whitelisting the Adblock for "justintools.com". I've spent over 10 trillion microseconds (and counting), on this project. This site is my passion, and I regularly adding new tools/apps. Users experience is very important, that's why I use non-intrusive ads. Any feedback is appre... | HuggingFaceTB/finemath | |
# At a Glance - Algebraic Expressions
Okay, let's clear this up:
An equation is a complete mathematical sentence that includes a sign of equality (like an equal sign).
An expression is not a mathematical sentence; it is a mathematical phrase because it doesn't have an equal sign.
Expression Equation 5 + 2 5 + 2 = ... | HuggingFaceTB/finemath | |
# Dear Family, your Operation Maths guide to Length
## Dear Family, your Operation Maths guide to Length
Category : Uncategorized
Dear Family, below is a brief guide to understanding the topic of length, as well as some practical suggestions as to how you might support your children’s understanding at home. Also bel... | HuggingFaceTB/finemath | |
# What is conceptual algebra?
## What is conceptual algebra?
Concept algebra is a denotational mathematics for rigorously manipulating formal concepts and their algebraic operations in knowledge representation, semantic analyses, and machine learning.
What is the best math curriculum for elementary school?
Here are... | HuggingFaceTB/finemath | |
2553. Separate the Digits in an Array
Description
Given an array of positive integers nums, return an array answer that consists of the digits of each integer in nums after separating them in the same order they appear in nums.
To separate the digits of an integer is to get all the digits it has in the same order.
... | HuggingFaceTB/finemath | |
Document related concepts
no text concepts found
Transcript
```Lecture 1
Stat Applications, Types of Data
And Statistical Inference
Statistics and Data
• What is Statistics
– Intuitively, Stats are numbers or summaries of numbers.
• Such as average, sum, maximum/ minimum number.
– In a broader sense, Statistics is the ... | HuggingFaceTB/finemath | |
# Search by Topic
#### Resources tagged with Percentages similar to Slightly Outnumbered:
Filter by: Content type:
Stage:
Challenge level:
### There are 6 results
Broad Topics > Fractions, Decimals, Percentages, Ratio and Proportion > Percentages
### Mathland Election
##### Stage: 3 Challenge Level:
A political ... | HuggingFaceTB/finemath | |
# Difference between revisions of "2002 AIME II Problems/Problem 6"
## Problem
Find the integer that is closest to $1000\sum_{n=3}^{10000}\frac1{n^2-4}$.
## Solution
You know that $\frac{4}{n^2 - 4} = \frac{1}{n-2} - \frac{1}{n + 2}$.
So if you pull the $\frac{1}{4}$ out of the summation, you get
$250\sum_{n=3}^{... | HuggingFaceTB/finemath | |
# ac to dc conversion
Discussion in 'General Electronics Chat' started by aac9876, Dec 9, 2006.
1. ### aac9876 Thread Starter Active Member
Dec 9, 2006
124
0
ac to dc 100-240 v tell me if this is right.
1 rectify.. does this mean that 150 ac = 150 dc????
2 then switch thru center tap transformer to get desired dc v.... | HuggingFaceTB/finemath | |
Home - Education Resources
What is e?
"e" is a numerical constant that is equal to 2.71828. Just as pi (3.14159) is a numerical constant that occurs whenever the circumference of a circle is divided by its diameter. The value of "e" is found in many mathematical formulas such as those describing a nonlinear increase... | HuggingFaceTB/finemath | |
# 42 hours and 38 minutes in seconds
## Result
42 hours 38 minutes equals 153480 seconds
## How to convert 42 hours 38 minutes to seconds?
In order to convert 42 hours and 38 minutes to seconds we need to take each part of hours and minutes and transform them into seconds. We know that 1 hour equals 3600 seconds. T... | HuggingFaceTB/finemath | |
# Finding the dimension of range and null space given a matrix and determining bases
I am attempting to solve the following problem.
I am given the matrix A=\begin{pmatrix} 1 & 1 & 1 & 1\\ 1 & 1 & 1 & 1\\ 1 & 1 & 1 & 1\\ 1 & 1 & 1 & 1 \\ \end{pmatrix}
Specifically I am asked to: (1) find the dimension of the range o... | HuggingFaceTB/finemath | |
Ashley Jones
Assignment 7
Investigation: Given two circles and a point on one of the circles. Construct a circle tangent to the two circles with one point of tangency being the designated point.
For this investigation it will be necessary to look into three different 'cases.' These three cases will be where one of t... | HuggingFaceTB/finemath | |
# Suppose 36 participants complete an experiment where ads are presented subliminally during a task (e.g., Coke ads are flashed at very fast rates during movie ads). Participants are then given a recognition test for images of the ads, where two images are presented and participants must choose which of the two was pre... | HuggingFaceTB/finemath | |
Summation properties
Learn about the main properties of summation and learn how to use it to solve various types of algebraic operations.
The properties of the summation allow us to perform powerful algebraic simplifications on equations involving this type of mathematical symbology. This article divides the properti... | HuggingFaceTB/finemath | |
# Chapter 3 - Polynomial and Rational Functions - Concept and Vocabulary Check - Page 373: 4
Fill the blanks in with : product ... dividend... $-2x$ ... $-4$ ... ($-2x-4)$
#### Work Step by Step
Long Division of Polynomials 1. Arrange ... 2. Divide ... 3. Multiply ... 4. Subtract the product from the dividend. 5. Br... | HuggingFaceTB/finemath | |
# Capacitors and Resistors - Series or Parallel?
I recently came across a problem in which a 12v DC power supply is connected in parallel to (in one loop) a one microfarad capacitor and a one kilo-ohm resistor. In the other loop is a 1000 microfarad capacitor and a 10 kilo-ohm resistor.
The switch for the supply is t... | HuggingFaceTB/finemath | |
# Ellipsoid
862pages on
this wiki
An ellipsoid is a type of quadric surface that is a higher dimensional analogue of an ellipse. The equation of a standard axis-aligned ellipsoid body in an xyz-Cartesian coordinate system is
${x^2 \over a_x^2}+{y^2 \over a_y^2}+{z^2 \over b^2}=1$
where ax and ay are the transverse,... | open-web-math/open-web-math | |
Research Method
1 / 29
# Research Method - PowerPoint PPT Presentation
Research Method. Lecture 13 (Greene Ch 16) Maximum Likelihood Estimation (MLE). Basic idea. Maximum likelihood estimation (MLE) is a method to find the most likely density function that would have generated the data. Thus, MLE requires you to mak... | HuggingFaceTB/finemath | |
My Math Forum > Math Can you find it???
Math General Math Forum - For general math related discussion and news
February 2nd, 2015, 05:44 AM #2
Banned Camp
Joined: Jun 2014
From: Earth
Posts: 945
Thanks: 191
Quote:
Originally Posted by Smrithi Hi I wanted to share an interesting trick which i have read in a sit... | HuggingFaceTB/finemath | |
# math
Determine whether the function of f(x)=[[x+1]] is odd, even, or neither.
I figured since it's a step function it automatically couldn't have symmetry and therefore is neither.
and doing the whole f(-x) thing:
f(-x)=[[-x+1]]
which is not equal to f(x) or -f(x).
so the answer would be neither, right?
1. 👍 0
2... | HuggingFaceTB/finemath | |
### Home > AC > Chapter 4 > Lesson 4.1.6 > Problem4-55
4-55.
Examine the graph at right showing three tile patterns.
1. What do you know about Figure 0 for each of the three patterns?
What is the starting point for each pattern?
Figure $0$ has
Pattern A: $0$ tiles
Pattern B: $30$ tiles
Pattern C: $0$ tiles
2. Whi... | HuggingFaceTB/finemath | |
Let n ∈ N, n > 25. Let A, G, H denote the arithmetic mean, geometric mean and harmonic mean of 25 and n. The least value of n for which A, G, H ∈ {25, 26, …, n}, is : Kaysons Education
# Let N ∈ N, n > 25. Let A, G, H denote The Arithmetic Mean, Geometric Mean And Harmonic Mean Of 25 And N. The Least Value Of N For ... | HuggingFaceTB/finemath | |
Contents
Contents
Idea
In the presence of D-branes, plain type II string theory in fact has a quantum anomaly reflected on the worldsheet by tadpole Feynman diagrams in the string perturbation series for RR-fields
graphics grabbed from Blumenhagen-Lüst-Theisen 13
and reflected in target spacetime by non-trivial to... | open-web-math/open-web-math | |
# The Simplest Math Problem No One Can Solve - Collatz Conjecture | Summary and Q&A
39.2M views
July 30, 2021
by
Veritasium
The Simplest Math Problem No One Can Solve - Collatz Conjecture
## TL;DR
The Collatz Conjecture is a famous unsolved problem in mathematics that states that every positive integer, when subject... | HuggingFaceTB/finemath | |
Feeds:
Posts
## How to Draw the Eight 5 Circuit Labyrinths
There are, as now everybody knows, 8 different possibilities for a 5 circuit, one-arm labyrinth (where the axis is not crossed).
Tony Phillips has furnished evidence for this on his website. He is a Professor of Mathematics at the State University of New Yor... | HuggingFaceTB/finemath | |
## IgorL 2 years ago How can I solve integral of 2sin(t/2)dt?
1. AravindG
put u=t/2 du=1/2 dt the integral becomes integral 2 sin u 1/2 du = integral sin u du
2. EulersEquation
Are you looking for $\int\limits_{} 2\sin(t/2) dt$?
3. IgorL
yes
4. EulersEquation
This one is easy, really. Can you figure out the ant... | HuggingFaceTB/finemath | |
Class 10
MATHS
Coordinate Geometry
# Find the coordinates of the points of trisection of the line segment joining the points A(-5, 6) and B(4, -3).
Step by step solution by experts to help you in doubt clearance & scoring excellent marks in exams.
Updated On: 9-11-2020
Apne doubts clear karein ab Whatsapp par bhi. ... | HuggingFaceTB/finemath | |
# When Two Negative Integers Are Added We Get A Positive Integer?
## Why do 2 negatives multiplied equal a positive?
When you multiply a negative by a negative you get a positive, because the two negative signs are cancelled out..
## Which of the following is greatest integer?
What Is the Greatest Integer Function... | HuggingFaceTB/finemath | |
# Chapter 3 Section 3.1 Examining Relationships. Continue to ask the preliminary questions familiar from Chapter 1 and 2 What individuals do the data describe?
## Presentation on theme: "Chapter 3 Section 3.1 Examining Relationships. Continue to ask the preliminary questions familiar from Chapter 1 and 2 What individu... | HuggingFaceTB/finemath | |
# Limit Proof with Rational Functions
## Homework Statement
If r is a rational function, use Exercise 57 to show that ##\mathop {\lim }\limits_{x \to a} \space r(x) = r(a)## for every number a in the domain of r.
Exercise 57 in this book is: if p is a polynomial, show that ##\mathop {\lim }\limits_{x \to a} \space p... | HuggingFaceTB/finemath | |
Mathematics » Exponents and Surds » Solving Surd Equations
# Solving Surd Equations
## Solving Surd Equations
We also need to be able to solve equations that involve surds.
## Example
### Question
Solve for $$x$$: $$5\sqrt[3]{x^4} = \text{405}$$
### Write in exponential notation
\begin{align*} 5( x^4 )^{\frac{1... | HuggingFaceTB/finemath | |
My Math Forum Family of modules
Abstract Algebra Abstract Algebra Math Forum
February 5th, 2018, 04:20 PM #1 Senior Member Joined: Jan 2015 From: usa Posts: 103 Thanks: 1 Family of modules Please help me to prove the following result: Let $R$ be a ring with $1$ and $\mathcal{F}$ a family of simple left $R$ module... | HuggingFaceTB/finemath | |
# Origin of elements heavier than Iron (Fe)
In all the discussions about how the heavy elements in the universe are forged in the guts of stars and especially during a stars death, I usually hear that once the star begins fusing lighter atoms to produce Iron (Fe) that's the end of the star's life and the whole system ... | open-web-math/open-web-math | |
Search 72,875 tutors
# Solve by completing the square. X^2+8x=-15
Solve by completing the square. X^2+8x=-15
# Solve for X. 16X-16= -1/x
Solve for X. 16X-16= -1/x Thank you!
# Seven times the sum of a number and nine is 7
I need help with this I know it's easy but I'm drawing a blank here
# Algebra 1 Question... | HuggingFaceTB/finemath | |
Question
# A 160 kg satellite is orbiting on a circular orbit 7655 km above the Earth's surface....
A 160 kg satellite is orbiting on a circular orbit 7655 km above the Earth's surface. Determine the speed of the satellite. (The mass of the Earth is 5.97×1024 kg, and the radius of the Earth is 6370 km.)
(in km/s)
So... | HuggingFaceTB/finemath | |
# Transportation Safety of Lithium Iron Phosphate Batteries - A Feasibility Study of Storing at Very Low States of Charge
## Abstract
In freight classification, lithium-ion batteries are classed as dangerous goods and are therefore subject to stringent regulations and guidelines for certification for safe transport. ... | open-web-math/open-web-math | |
# Bell Curve (Normal Curve): Definition
Statistics Definitions > Bell Curve / Normal Curve
## What is a Bell Curve or Normal Curve?
A bell curve is another name for a normal distribution curve (sometimes just shortened to “normal curve”) or Gaussian distribution. The name comes from the fact it looks bell-shaped.
T... | HuggingFaceTB/finemath | |
Search by Topic
Resources tagged with Place value similar to Reach 100:
Filter by: Content type:
Stage:
Challenge level:
There are 66 results
Broad Topics > Numbers and the Number System > Place value
Reach 100
Stage: 2 Challenge Level:
Choose four different digits from 1-9 and put one in each box so that the re... | HuggingFaceTB/finemath | |
This is the twenty ninth part of the ILP series. For your convenience you can find other parts in the table of contents in Part 1 – Boolean algebra
Hello! Today we are going to solve nonograms using ILP.
Nonograms are picture logic puzzles in which cells in a grid must be colored or left blank according to numbers at... | HuggingFaceTB/finemath | |
# Kilojoules vs. Calories
Food energy is measured in kilojoules (kJ). The common term for this used to be ‘calorie’, but ‘kilojoule’ is the term now accepted internationally. This unit of measurement allows us to see how much energy a food contains and how much energy is burned up during exercise.
What is a kilojoule... | HuggingFaceTB/finemath | |
# Basic Concepts & Short Tricks on Number System in Quant Section - Part I
Updated : March 21st, 2020
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Quantitative Aptitude deals mainly with the different topics in Arithmetic, which is the science which deals with the relations of numbers to one another. It includes all the methods that are applicable... | HuggingFaceTB/finemath | |
# The Odds of Getting 7 Heads in a Row Full Guide of 2023
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Imagine flipping a coin and getting heads seven times in a row. What are the odds of that happening?
In this article, we will delve into the wor... | HuggingFaceTB/finemath | |
Ex 2.2
Chapter 2 Class 9 Polynomials
Serial order wise Get live Maths 1-on-1 Classs - Class 6 to 12
### Transcript
Ex 2.2, 2 Find p(0), p(1) and p(2) for each of the following polynomials: (iv) p(x) = (x – 1) (x + 1) Given p(x) = (x – 1) (x + 1) Putting x = 0 p(0) = (0 – 1) (0 + 1) = –1 × 1 = –1 Putting x = 1 p(1) ... | HuggingFaceTB/finemath | |
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# Python Program for Bitonic Sort
Bitonic Sequence: A sequence is called Bitonic if it is first increasing, then decreasing. In other words, an array arr[0..n-i] is Bitonic if there exists an index i where 0<=i<=n-1 such that
`x0 <= x1 …..<= xi and xi >= xi+1….. >= xn-1 ... | HuggingFaceTB/finemath | |
Solutions by everydaycalculation.com
## Subtract 7/9 from 27/3
1st number: 9 0/3, 2nd number: 7/9
27/3 - 7/9 is 74/9.
#### Steps for subtracting fractions
1. Find the least common denominator or LCM of the two denominators:
LCM of 3 and 9 is 9
2. For the 1st fraction, since 3 × 3 = 9,
27/3 = 27 × 3/3 × 3 = 81/9
3.... | HuggingFaceTB/finemath | |
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Given Problem: A block of Aluminum has a mass of 32.5 grams and is at 45.8° C. It’s placed in 105.3 grams of water at 15.4° C. What’s the final temperature for both the aluminum and water?
1. These are the equations we’re going to use. Because we have two equations for q, we can s... | HuggingFaceTB/finemath | |
# Force exerted on a swimmer
1. Apr 19, 2013
### Joe123
1. The problem statement, all variables and given/known data
So the question i have involves finding the force exerted on a swimmer using only arm strokes through the water.
A snapshot of the swimmer is taken by a camera underwater when the swimmer's arm is ve... | HuggingFaceTB/finemath | |
Solutions by everydaycalculation.com
## Multiply 30/28 with 15/70
1st number: 1 2/28, 2nd number: 15/70
This multiplication involving fractions can also be rephrased as "What is 30/28 of 15/70?"
30/28 × 15/70 is 45/196.
#### Steps for multiplying fractions
1. Simply multiply the numerators and denominators separa... | HuggingFaceTB/finemath | |
## 1542 Days From February 13, 2024
Want to figure out the date that is exactly one thousand five hundred forty two days from Feb 13, 2024 without counting?
Your starting date is February 13, 2024 so that means that 1542 days later would be May 4, 2028.
You can check this by using the date difference calculator to m... | HuggingFaceTB/finemath | |
# Teaching How to Use a Triple-Beam Balance
By Elizabeth Engel
Need to teach your students how to find the mass of an object using a triple beam balance? This guide will give you a clear and concise teaching approach to present to the student, allowing you to not only teach them about the device's function, but how t... | HuggingFaceTB/finemath | |
# Line Segment - equation of a straight line in Matlab
A line segment is a straight line which links two points without extending beyond them. In this article we’re going to develop three functions to work out equations of straight lines in Matlab with different approaches.
At the end, we’re going to wrap those thre... | HuggingFaceTB/finemath | |
Have you ever heard someone ask the question, “What’s the odds of that happening?”. Well, that’s the concept of probability. Let’s learn a little more about probability and how it can be used in your organization.
When you start discussing probability with someone else in your organization, you may hear the words dete... | HuggingFaceTB/finemath | |
# What percent of 61 is 4?
## (6.55738% of 61 is 4)
### 6.55738% of 61 is 4. Explanation: What does 6.55738 percent (or 6.55738%) mean?
Percent (%) is an abbreviation for the Latin “per centum”, which means per hundred or for every hundred. So, 6.55738% means 6.55738 out of every 100.
### Methods to calculate "What... | HuggingFaceTB/finemath | |
# Atomic dipole moment for a superposition state
1. Aug 11, 2015
Hi all,
I'm trying to understand how to calculate the time dependent expectation value of the atomic dipole moment for a superposition state, and I have a good guess to check with you. Say we have
$$\psi = \frac{1}{\sqrt{2}} \left[ \psi _{100} + \psi _... | HuggingFaceTB/finemath | |
# If a train covers 600m in 0.5 seconds, how long it will cover in 10 seconds?
3000m = 3km
This question is related to Sonata Interview
Showing Answers 1 - 17 of 17 Answers
#### nirupama panigrshi
• Dec 28th, 2005
#### nirupama panigrshi
• Dec 28th, 2005
We know that Speed = Distance/Time
Let us first calculat... | HuggingFaceTB/finemath | |
# Functional Equation involving Fractional Part
I'm stuck on the following problem:
Find (or classify) all functions $f$ with the property $$f(\{a+b\})=\{f(a)f(b)\}$$ Where $\{\}$ is the "fractional part" function.
So far, I've determined that $$f(0)=0$$ and that $$f(a)f(-a) \in \mathbb Z, \forall a \in \mathbb R$$
... | HuggingFaceTB/finemath | |
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# Tutor profile: Cheryl E.
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Cheryl E.
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## Questions
### Subject:Pre-Algebra
TutorMe
Question:
Cindy took an Uber home after her night out with friends. It cost \$1.79 per mile and she gave the drive a \$9 tip. Sh... | HuggingFaceTB/finemath | |
# Algorithms: Rearrange 2D Matrix (through element 'flipping')
I'm wondering about an algorithm solving the following (efficiently): A 2D matrix of numbers [1..9] which need to align in horizontal lines from top (1) to bottom (9), but only through flipping either vertically or horizontally with another number.
Exampl... | HuggingFaceTB/finemath | |
# Is the trace distance between multipartite states invariant under permutations?
1. Consider two multipartite states $$\rho_{A_1A_2..A_L}$$ and $$\sigma_{A_1A_2..A_L}$$ in $$\mathcal{H}_{A_1} \otimes\mathcal{H}_{A_2} \otimes...\mathcal{H}_{A_L}$$. For an arbitrary permutation $$\pi$$ over $$\{ 1, \ldots ,L\}$$, is it... | open-web-math/open-web-math | |
# physics
A swimmer swims in still water at a speed of 6.83 m/s. He intends to swim directly across a river that has a downstream current of 2.89 m/s.
(a) What must the swimmer's direction be?
1. 👍 0
2. 👎 0
3. 👁 958
1. V = 6.83m/s @ (-90)o + 2.89m/s @ 0o.
X=6.83*cos(-90) + 2.89*cos(0)=2.89m/s.
Y=6.83*sin(-90) + 2... | HuggingFaceTB/finemath |
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