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Mathematica 教程
# The Representation of Solution Sets
Any combination of equations or inequalities can be thought of as implicitly defining a region in some kind of space. The fundamental function of Reduce is to turn this type of implicit description into an explicit one.
An implicit description in terms of equations... | math_reasoning | FineMath-4+ |
# Homework Help: Calculating total error
1. Sep 23, 2010
### Acuben
1. The problem statement, all variables and given/known data
First of all, I do not know if I am asking a complex question or easy question... since I haven't covered this in detail, but my physics teacher requires the class to use it in the lab
1... | math_reasoning | FineMath-4+ |
## Risky moon
### Problem 353
A moon could be described by the sphere $C(r)$ with centre $(0,0,0)$ and radius $r$.
There are stations on the moon at the points on the surface of $C(r)$ with integer coordinates. The station at $(0,0,r)$ is called North Pole station, the station at $(0,0,-r)$ is called South Pole stat... | math_reasoning | FineMath-4+ |
## HowMany.wiki
Please get in touch with us if you:
1. Have any suggestions
2. Have any questions
3. Have found an error/bug
4. Anything else ...
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# How many sections in 10000000 ac?
10000000 acres equals 1.562×104 sections because 10000000 times 0.001562 (the conversion factor) = 1.562×104
### All In One Un... | math_reasoning | FineMath-4+ |
# Calculate f distribution p values in python
When working with statistical analysis, it is often necessary to calculate p-values for different distributions. In Python, there are several ways to calculate the p-values for the F distribution. In this article, we will explore three different methods to solve this probl... | math_reasoning | FineMath-4+ |
Introduction to Algorithms November 27, 2008
# MIT's Introduction to Algorithms, Lecture 15: Dynamic Programming
<- previous article next article ->
This is the tenth post in an article series about MIT's lecture course "Introduction to Algorithms." In this post I will review lecture fifteen, which introduces the co... | math_reasoning | FineMath-4+ |
1. Each of eighteen students was given a different integer from 1 through 18, inclusive. When asked to select a dance partner, the sum of the numbers for each of the nine couples was a perfect square. Who was dancing with whom?
2. In a 10-foot-wide alley, two ladders lean against opposite walls. One ladder reaches 30 ... | math_reasoning | FineMath-4+ |
2.5 Measures Of Central Tendency
Measures of central tendency the values around which set a set of the data tends to cluster.
There are several different kinds of calculations for central tendency; the kind of calculation that should be used depends on the type of data and purpose for which the central tendency is be... | math_reasoning | FineMath-4+ |
# Prove two integral identities???
• Apr 23rd 2013, 04:31 AM
jarvisyang
Prove two integral identities???
1. The following integral identity holds
$\dfrac{d}{dx}\intop_{x}^{a}\dfrac{F(\rho)d\rho}{ \sqrt{\rho^{2}-x^{2}}}=-\dfrac{F(a)x}{a \sqrt{a^{2}-x^{2}}}+x\intop_{x}^{a}\dfrac{d\rho}{\sqrt{\rho^{2 }-x^{2}}}\dfrac{d}{d... | math_reasoning | FineMath-4+ |
# Estimate flattening of the Earth
1. Apr 16, 2015
### Yoonique
1. The problem statement, all variables and given/known data
The flattening of the Earth is defined as
f ≡ 1 - (Rp - Re)
where Re is the radius of the equator and Rp is half of the distance between the North Pole and the South Pole. Estimate the flatte... | math_reasoning | FineMath-4+ |
# Adding Integers and Subtracting Integers
In these lessons, we will look at adding integers and subtracting integers using the number line and using rules.
Related Topics:
More Lessons on Integers
Integer Worksheets
Integer Games
### Using the Number Line
When we add, we move right on the number line.
When we sub... | math_reasoning | FineMath-4+ |
# Convert number: 1,253,031 in Roman numerals, how to write?
## Latest conversions of Arabic numbers to Roman numerals
1,253,031 = (M)(C)(C)(L)MMMXXXI Dec 01 03:11 UTC (GMT) 49 = XLIX Dec 01 03:11 UTC (GMT) 96,989 = (X)(C)(V)MCMLXXXIX Dec 01 03:11 UTC (GMT) 20,660 = (X)(X)DCLX Dec 01 03:10 UTC (GMT) 3,961 = MMMCMLXI... | math_reasoning | FineMath-4+ |
How much gas does it take to drive 1800 miles?
How much gas does it take to drive 1800 miles?
Cost To Drive 1,800 Miles
MPG \$2 per gallon \$4 per gallon
3 MPG \$1,200.00 \$2,400.00
4 MPG \$900.00 \$1,800.00
5 MPG \$720.00 \$1,440.00
6 MPG \$600.00 \$1,200.00
How long does it take to drive 1800 miles?
so speed = 1... | math_reasoning | FineMath-4+ |
# IVT, EVT, and MVT Task Cards
Subject
Resource Type
Product Rating
3.9
(7 Ratings)
File Type
PDF
(468 KB|22 pages)
Also included in:
1. This bundle is made up of four sets of task cards available separately in my store:- Mean Value Theorem- IVT, EVT, MVT- Min/Max- Derivative of Inverse Trigonometric Functions
\$25.... | math_reasoning | FineMath-4+ |
# 馬可夫決策過程
## 定义
• ${\displaystyle S}$是状态空间的集合，
• ${\displaystyle A}$是动作的集合，也被称为动作空间（比如说${\displaystyle A_{s}}$是状态${\displaystyle s}$中可用的动作集合），
• ${\displaystyle P_{a}(s,s')=\Pr(s_{t+1}=s'\mid s_{t}=s,a_{t}=a)}$${\displaystyle t}$时刻${\displaystyle s}$状态下的动作${\displaystyle a}$导致${\displaystyle t+1}$时刻进入状态${\displaystyl... | math_reasoning | FineMath-4+ |
# Italian Numbers; How to Accurately Count From Zero to 1 Million in Italian
Updated on: Educator Review By: Michelle Connolly
Whether you want to tell the time or give someone your phone number or do anything that involves knowing Italian numbers, it is always a good idea to know how to say numbers in this language.... | math_reasoning | FineMath-4+ |
Economics Economics Forum - Financial Mathematics, Econometrics, Operations Research, Mathematical Finance, Computational Finance
May 16th, 2018, 01:34 AM #1 Senior Member Joined: Nov 2010 From: Indonesia Posts: 2,001 Thanks: 132 Math Focus: Trigonometry Ask About Annuity Mr. Budi borrows 2,000,000IDR which will ... | math_reasoning | FineMath-4+ |
# 2013 AMC 10A Problems/Problem 18
## Problem
Let points $A = (0, 0)$, $B = (1, 2)$, $C=(3, 3)$, and $D = (4, 0)$. Quadrilateral $ABCD$ is cut into equal area pieces by a line passing through $A$. This line intersects $\overline{CD}$ at point $\left(\frac{p}{q}, \frac{r}{s}\right)$, where these fractions are in lowes... | math_reasoning | FineMath-4+ |
Tuesday, 7 Feb 2023
# Top 10 what percent of 120 is 200 That Will Change Your Life
Mục Lục
Below is information and knowledge on the topic what percent of 120 is 200 gather and compiled by the nhomkinhnamphat.com team. Along with other related topics like: What percent of 80 is 100, 200 is what percent of 1200, 80 i... | math_reasoning | FineMath-4+ |
# Using Binomial coefficient to solve a problem with unfair coins
I have 5 fair coins and 10 unfair coins in a bag. For the unfair coins, there is 80% chance of getting a head and 20% for tails. What's the probability of flipping 4 heads out of 6 flips? Each flip is with a different coin, and there is no replacement.
... | math_reasoning | FineMath-4+ |
# modular arithmetic
In mathematics, modular arithmetic is a type of arithmetic involving only integers whose numbers “wrap around” when they reach a prescribed value called the modulus.
A simple example of a modular arithmetic system is a twelve hour clock. If it is 2 o’clock and 4 hours pass then it is 6 o’clock. T... | math_reasoning | FineMath-4+ |
1. ## Algebra Help
Here is part of a working given by an answer of a particular question:
40*(a–b)=50*(x–y)
If a, b, x, and y are whole numbers, (a – b) must in fact be a multiple of 5.
Why must $(a-b)$ a multiple of five?
2. Originally Posted by Lupin
Here is part of a working given by an answer of a particular qu... | math_reasoning | FineMath-4+ |
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# If $y = \sqrt {x\sin x}$ then $\dfrac{{dy}}{{dx}} =$ ?(A) $\dfrac{{\left( {x\cos x + \sin x} \right)}}{{2\sqrt {x\sin x} }}$ (B) $\dfrac{1}{2}\left( {x\cos x + \sin x} \right).\sqrt {x\sin x}$ (C) $\dfrac{1}{{2\sqrt {x\sin x} }}$ (D) None of the... | math_reasoning | FineMath-4+ |
# Differentiating the exponential function. The derivative of e^x.
The exponential function is probably one of the easiest functions to differentiate as the derivative is the same function. This means that the derivative of exponential is exponential:
So if y = ex then dy/dx = ex
However, a more useful result is thi... | math_reasoning | FineMath-4+ |
From 11:00PM PDT on Friday, July 1 until 5:00AM PDT on Saturday, July 2, the Shmoop engineering elves will be making tweaks and improvements to the site. That means Shmoop will be unavailable for use during that time. Thanks for your patience!
We have changed our privacy policy. In addition, we use cookies on our websi... | math_reasoning | FineMath-4+ |
Wolfram Alpha:
```Clebsch-Gordan Coefficients
---------------------------
The problem of angular momentum addition requires
the calculation of Clebsch-Gordan (CG) coefficients
Consider the addition of orbital and spin angular
momenta for two particles that reside in uncoupled
eigenstates. For example, consider spin o... | math_reasoning | FineMath-4+ |
# Common core third grade math measurement. Measurement and Data (examples, solutions, Common Core Standards for Math) 2019-03-02
Common core third grade math measurement Rating: 7,4/10 1326 reviews
## Measurement & Data
Part 2 Hey all, So a couple more changes to the 'create-a-sheet'. For example, find 32 ÷ 8 by fi... | math_reasoning | FineMath-4+ |
# Thread: Equivalence of two integrals
1. ## Equivalence of two integrals
Ok, so the question I'm looking at involves the following integral;
$\displaystyle I[y] = \int_{-\infty}^{\infty} (y'^2 + x^2y^2)\, dx$
restricted to functions with
$\displaystyle \int y^2\, dx = 1$
I'm trying to show that under the (given)... | math_reasoning | FineMath-4+ |
• # question_answer The shortest distance between line $y-x=1$ and curve $x={{y}^{2}}$, is A) $\frac{3\sqrt{2}}{8}$ B) $\frac{8}{3\sqrt{2}}$ C) $\frac{4}{\sqrt{3}}$ D) $\frac{\sqrt{3}}{4}$
Let $P({{y}^{2}},y)$ $\therefore$Perpendicular distance from P to $x-y+1=0$... | math_reasoning | FineMath-4+ |
The SSS Theorem
In this lesson you’ll prove an important geometric fact: The Side-Side-Side Theorem (SSS).
In Activity 1 you will practice by constructing and proving a simpler theorem.
In Activity 2, you will construct the superposition of SSS triangles, and you will explain how to use the steps of your constructio... | math_reasoning | FineMath-4+ |
Figuring out u substitutions
By Tutor GuyNo Comments
To determine if a ‘u substitution’ is appropriate for an integral, look for the value of du somewhere in the original integral. You may need to multiply or divide by a constant to get du in the integral.
Example 1: Integrate:
$\displaystyle \int 3x^2e^{x^3} \, dx... | math_reasoning | FineMath-4+ |
Browse Questions
# A balloon of mass 30 kg is falling down with an acceleration of $1.8m/s^{-2}$.Then some mass is removed from the balloon.As a result the balloon moves upwards with an acceleration of $2.2 ms^{-2}$. The mass removed from the balloon is
$(a)\;16 kg\quad (b)\;10 kg \quad (c)\;18 kg \quad (d)\;12 kg$
... | math_reasoning | FineMath-4+ |
# Practice Questions on Remainder Theorem and Unit Digit for SSC
Number system is the most fundamental topic in mathematics, one of whose subtopics include remainder theorem and unit digit. In today’s blog we will be providing you with some practice questions on remainder theorem and unit digit for SSC. First of all, ... | math_reasoning | FineMath-4+ |
Class Notes (836,291)
Statistics (248)
STAT151 (157)
Lecture
# Ch1and4.pdf
2 Pages
90 Views
School
Department
Statistics
Course
STAT151
Professor
Paul Cartledge
Semester
Fall
Description
Section 1.1 Def’n: Statistics: 1) are commonly known as numerical facts 2) is a field of discipline or study Htets,tics is the ar... | math_reasoning | FineMath-4+ |
GMAT OFFICIAL GUIDE DS – If Carmen had 12 more tapes…
Solution:
We are given that if Carmen had 12 more tapes she would have twice as many tapes as Rafael. If we let C = the number of tapes that Carmen has and R = the number of tapes that Rafael has, we can create the following equation:
C + 12 = 2R
We need to dete... | math_reasoning | FineMath-4+ |
Multiplication of a vector by a scalar
Chapter 10 Class 12 Vector Algebra
Concept wise
This video is only available for Teachoo black users
Introducing your new favourite teacher - Teachoo Black, at only βΉ83 per month
### Transcript
Ex 10.2, 2 Write two different vectors having same magnitude. Let us take two di... | math_reasoning | FineMath-4+ |
# Loop to count event numbers in a range always returns 1
I'm need of some advice and helpful pointers to get me in the right direction. My function is intended to calculate how many even numbers there are between input a and input b.
int evens(int a, int b)
{
int p = 0;
for(int i=a; i<=b; i++)
{
if(i % 2==0)
++p;
re... | math_reasoning | FineMath-4+ |
## Trigonometry (11th Edition) Clone
The equation $$\frac{2}{1+\cos x}-\tan^2\frac{x}{2}=1$$ is an identity, as 2 sides are proved to be equal below.
$$\frac{2}{1+\cos x}-\tan^2\frac{x}{2}=1$$ The left side would be examined first. $$X=\frac{2}{1+\cos x}-\tan^2\frac{x}{2}$$ - Half-angle identity for tangent: $$\tan\fr... | math_reasoning | FineMath-4+ |
# 1758 Two-Shillelagh O’Sullivan
### Today’s Puzzle:
When I was looking for the song about the shillelagh for my previous post, I found another one called Two-Shillelagh O’Sullivan also by Bing Crosby. It wasn’t a song from my childhood, but it inspired me to make a puzzle with two shillelaghs anyway. In the song, O’... | math_reasoning | FineMath-4+ |
# Pre-Algebra
posted by .
5h – 9 = –16 + 6h
4
–7
7
10
I need a step-by-step response cause I'm having a hard time understanding.
• Pre-Algebra -
5 h – 9 = – 16 + 6 h Add 9 to both sides
5 h – 9 + 9 = – 16 + 6h + 9
5 h = – 7 + 6h Subtract 5 h to both sides
5 h - 5 h = - 7 + 6 h - 5 h
0 = - 7 + h Add 7 to both ... | math_reasoning | FineMath-4+ |
# State whether the following statements are true or false:(a) The set of all even natural numbers is a smallest element.(b) Every non-empty subset of ℤ has the smallest element.(c) Every integer can be identified with a rational number.(d) For each rational number, one can find the next rational number.(e) There is th... | math_reasoning | FineMath-4+ |
1. Finding the zeros and intercepts---help / check answer?
Hi, again I am rusty at math (I haven't done it in two years). There are no solutions in my book for my homework, so could someone double check that I have the right idea?
1) Find the zeros of the given function f.
$f(x)=x^3-x^2-2x$
$f(x)=x(x^2-x-2)$
$f(x)=x(... | math_reasoning | FineMath-4+ |
Philosophy Pages
Dictionary Study Guide Logic F A Q s
History Timeline Philosophers Locke
### Rules of Replacement
#### Replacement
We complete our development of the proof procedure for the propositional calculus by making use of another useful way of validly moving from step to step. Since two logically e... | math_reasoning | FineMath-4+ |
Search a number
7058 = 23529
BaseRepresentation
bin1101110010010
3100200102
41232102
5211213
652402
726402
oct15622
910612
107058
115337
124102
13329c
142802
152158
hex1b92
7058 has 4 divisors (see below), whose sum is σ = 10590. Its totient is φ = 3528.
The previous prime is 7057. The next prime is 7069. The reversa... | math_reasoning | FineMath-4+ |
Limit of a sequence.
• Oct 18th 2008, 11:55 AM
Showcase_22
Limit of a sequence.
I wasn't sure which section this belonged to so I decided to post it here.
Quote:
Use a method to approximate $\sqrt 2$ using a sequence of rational numbers. Do the same for $\sqrt 3.$
I started it like this:
$a_1, \ a_2, \ a_3, \ ........ | math_reasoning | FineMath-4+ |
# 2.4.2 Vertical Throw with Air Resistance
If you toss a tennis ball vertically upward, to the naked eye it probably looks like it takes the same amount of time to go up and come down. But if you toss a balloon instead, it is pretty obvious that it takes a lot more time to come down than go up. What causes this asymme... | math_reasoning | FineMath-4+ |
you need
• - Calculator.
Guide
1
Place a container of your heating system.In practice, this exercise is quite difficult, so use a rough calculation based on the value of the power system.When a power of 1 kW capacity systems imply equal to 15 liters.Accordingly, if the power of the boiler is 20 kW, the capacity of all ... | math_reasoning | FineMath-4+ |
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Statistics Homework Solutions 165
# Statistics Homework Solutions 165 - 165 SUPPLEMENTARY...
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Unformatted text preview: 165 S... | math_reasoning | FineMath-4+ |
# Dealing with data with high variance
I've a scaling problem. Let's say my target variable is a net revenue column and it has some range of (-34624455, 298878399). So the max-min value is 333502854.
Now in the test set, I have a record and it's revenue value is 2185 which when normalized, converts to 0.1038.
For th... | math_reasoning | FineMath-4+ |
# The ratio test to solve
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justaguide | Certified Educator
The series in the problem is `sum_(n=1)^oo (2 +(-1)^n)/1.25^n`
To determine the convergence of the series let us use the comparison test. If there are two series `S_a` and `S_... | math_reasoning | FineMath-4+ |
# Rectangle and triangle... A rectangle and a triangle have the same area. When placed on the same level, the tip of the triangle touches the top edge of the rectangle. What is the base of the triangle if the area of the rectangle is 150 square cm?
For the triangle (whose height is the breadth of rectangle) to be havi... | math_reasoning | FineMath-4+ |
All about flooble | fun stuff | Get a free chatterbox | Free JavaScript | Avatars
perplexus dot info
Divide into Primes (Posted on 2005-09-17)
The coins currently in circulation in Britain are for 1p, 2p, 5p, 10p, 20p, 50p, 100p and 200p. When I gave one of each of these coins to Tom and Harry to share between them,... | math_reasoning | FineMath-4+ |
# Question #23181
Nov 15, 2016
$\text{70.1 g}$ of water.
#### Explanation:
Ok, so I did a quick search and found the heat capacity for Cu.
The formula for thermal energy exchange is:
${Q}_{\text{released" + Q_"absorbed}} = 0$
${\left(m c \Delta T\right)}_{\text{released" + (mcDeltaT)_ "absorbed}} = 0$
Where
• ... | math_reasoning | FineMath-4+ |
Here you will see students as young as 4 and 5 years old doing algebra and "advanced" math, without ever knowing it's supposed to be hard.
You are invited to learn how to use this method...
## Tuesday, August 19, 2014
### Base Ten Block Battle
Playing with base ten blocks. You can't help but make learning fun. Again... | math_reasoning | FineMath-4+ |
# What is the smallest value of angular displacement of the raft?
• Lotto
In summary, the smallest angular displacement of the raft from its original position during one cycle is the angle the raft makes with the vertical.f
#### Lotto
Homework Statement
There is a raft in the middle of the river. The mass of the raf... | math_reasoning | FineMath-4+ |
# Math Expressions Grade 3 Student Activity Book Unit 3 Review/Test Answer Key
This handy Math Expressions Grade 3 Student Activity Book Answer Key Unit 3 Review/Test provides detailed solutions for the textbook questions.
## Math Expressions Grade 3 Student Activity Book Unit 3 Review/Test Answer Key
Vocabulary
Ch... | math_reasoning | FineMath-4+ |
# 41.5 inches to feet converter
## 1 inch is how many feet?
Let’s talk about some ways to determine length units, like to convert 41.5 in into ft. How tall is 41.5 inches to feet?
You can only calculate 41.5 inches to ft when you know how much is an inch to ft.
1 inch is equivalent to 1/12 feet.
The answers to the... | math_reasoning | FineMath-4+ |
# Volume of sphere with a out of origin spherical hole inside
I'm trying to find the volume of a sphere of radius $$R$$ with a spherical hole of radius $$s$$ centered out of the origin calculating the integrals to understand what happens to the limits of integration and i'm kinda confused with this part.
So let's say... | math_reasoning | FineMath-4+ |
33510
33,510 (thirty-three thousand five hundred ten) is an even five-digits composite number following 33509 and preceding 33511. In scientific notation, it is written as 3.351 × 104. The sum of its digits is 12. It has a total of 4 prime factors and 16 positive divisors. There are 8,928 positive integers (up to 3351... | math_reasoning | FineMath-4+ |
# math
posted by on .
A ball is thrown into the air with an upward velocity of 20 ft/s. Its height (h) in feet after t seconds is given by the function h(t) = –16t^2 + 20t + 2. How long does it take the ball to reach its maximum height? What is the ball’s maximum height? Round to the nearest hundredth, if necessary
... | math_reasoning | FineMath-4+ |
This notebook contains an excerpt from the Python Programming and Numerical Methods - A Guide for Engineers and Scientists, the content is also available at Berkeley Python Numerical Methods.
The copyright of the book belongs to Elsevier. We also have this interactive book online for a better learning experience. The ... | math_reasoning | FineMath-4+ |
# Search by Topic
#### Resources tagged with Trial and improvement similar to Pass the Peas, Please:
Filter by: Content type:
Stage:
Challenge level:
### There are 85 results
Broad Topics > Using, Applying and Reasoning about Mathematics > Trial and improvement
### The Tall Tower
##### Stage: 1 Challenge Level:
... | math_reasoning | FineMath-4+ |
# IF theta is positive acute angle and tan^2 theta + cot ^2 theta = 82/9 , find the value of tan theta + cot theta
2
by debanti
2014-04-21T12:06:55+05:30
tan^2 theta + cot ^2 theta = 82/9
Adding 2 both side we get
tan^2 theta + cot ^2 theta + 2 = 82/9 +2 =100/9
(tan theta + cot theta)^2 =100/9
tan theta + cot th... | math_reasoning | FineMath-4+ |
# Diagonal of a Cuboid
• Oct 17th 2011, 07:32 AM
BobtheBob
Diagonal of a Cuboid
The total area of all the faces of a cuboid is 22 cm2, and the total length of all its edges is 24 cm. Find the length of any one of its internal diagonals.
I can't seem to get this, so any help appreciated
• Oct 17th 2011, 07:53 AM
Plato
... | math_reasoning | FineMath-4+ |
Scroll to content
'Believe to Achieve'
# Maths
## Number Sense
Calculating the Mean
To find the mean average of a set of data
The mean is the 'average' of a set of data. To find the mean you must add all of the amounts together and then divide it by the number of items.
e.g. These are the scores 8 children got i... | math_reasoning | FineMath-4+ |
# पृष्ठम्:गणितसारसङ्ग्रहः॒रङ्गाचार्येणानूदितः॒१९१२.djvu/२२४
एतत् पृष्ठम् परिष्कृतम् अस्ति
28
GAŅIITASĀRASAŃGRAHA
twice the number of terms in the other series (gives rise to the interchangeable) first term of one (of the series). The square of the (number of terms in the other (series), diminished by that (number of ... | math_reasoning | FineMath-4+ |
# Symmetry for Kids – Grid Drawing Activities (NEW Resource)
3
4
Symmetry is all around us! Take a look around your home and garden and it’s clear to see – whether it’s a beautiful butterfly, or a tiled pattern in your bathroom, the mathematical principle of symmetry is evident in everyday life. It’s no surprise, the... | math_reasoning | FineMath-4+ |
HKALE Pure Maths 2001 Paper01
# Such that x1 1 x 2 and the equality holds iff x1 x 2
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Unformatted text preview: + s = −1 ps − pq = −2 Putting r = − p , ⇒ q + s = p 2 − 1 2 q − s = ... | math_reasoning | FineMath-4+ |
Is this epsilon-delta proof correct?
Consider the function $f:\mathbb{R}\rightarrow\mathbb{R}$ $$f(x)=\begin{cases}x,\ x\in\mathbb{Q} \\ -x,\ x \notin \mathbb{Q}.\end{cases}$$ I'm trying to prove that for all $a \neq 0$, $\lim_{x \to a}f(x)$ does not exist. I tried to do this by contradiction, so my first step was to ... | math_reasoning | FineMath-4+ |
### The Great Big Book of Algebra
Thursday, December 4, 2008
Chapter One:
Easy, hard
Thinking, solving, trying
Really easy to learn
Haiku:Subtracting
There's no subtracting
Free Verse:Ron's Rule
Ron's rule is not a pain in the butt,
Just listen to what I have to say, and you'll have a shortcut!
Even number of negat... | math_reasoning | FineMath-4+ |
Mathematical and Physical Journal
for High Schools
Issued by the MATFUND Foundation
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# New exercises and problems in MathematicsFebruary 2003
## New exercises
Maximum score for each exercise (sign "C") is 5 points.
C. 705. The pagination of a book starts on the fifth page. That page... | math_reasoning | FineMath-4+ |
# Uncountable set
In mathematics, an uncountable or nondenumerable set is a set which is not countable. Here, "countable" means countably infinite or finite, so by definition, all uncountable sets are infinite. Explicitly, a set X is uncountable if and only if there does not exist a surjective function from the natura... | math_reasoning | FineMath-4+ |
# Standards units in number
‘Standards units in number’ is designed to transform the teaching, training and learning of mathematics in secondary schools. It is made up of teaching and learning resources – based on number – which include lesson plans, activities and links to useful computer programs. The units focus on... | math_reasoning | FineMath-4+ |
Titration Problem
LoLPoPs
10+ Year Member
7+ Year Member
What volume of HCl was added if 20mL of 1 M NaOH is titrated with 1 M HCl to produce a pH=2?
This problem is from TopScore Exam#2. I understand that 20mL of HCl will react with 20mL of NaOH. But where do I go from here? Can someone explain this in detail pleas... | math_reasoning | FineMath-4+ |
## 1.9.1 Basic Plotting
Plot[f, {x, , }] plot f as a function of x from to Plot[{, , ... }, {x, , }] plot several functions together
Basic plotting functions.
This plots a graph of as a function of from 0 to .
In[1]:= Plot[Sin[x], {x, 0, 2Pi}]
Out[1]=
You can plot functions that have singularities. Mathematica w... | math_reasoning | FineMath-4+ |
Test
# D'Hondt method
The D'Hondt method[a] or the Jefferson method is a highest averages method for allocating seats, and is thus a type of party-list proportional representation. The method described is named in the United States after Thomas Jefferson, who introduced the method for proportional allocation of seats... | math_reasoning | FineMath-4+ |
1
GATE ECE 2011
+1
-0.3
A numerical solution of the equation $$f\left( x \right) = x + \sqrt x - 3 = 0$$ can be obtained using Newton $$-$$ Raphson method. If the starting values is $$x=2$$ for the iteration then the value of $$x$$ that is to be used in the next step is
A
$$0.306$$
B
$$0.739$$
C
$$1.694$$
D
$$2.306$$
2... | math_reasoning | FineMath-4+ |
## Gauss’s Law – Examples
Required math: vectors, calculus
Required physics: electrostatics
Reference: Griffiths, David J. (2007) Introduction to Electrodynamics, 3rd Edition; Prentice Hall – Chapter 2, Post 11 – 18.
Gauss’s law in electrostatics relates the integral over a closed surface of the electric field to t... | math_reasoning | FineMath-4+ |
PROJECTILE MOTION PRACTICE QUESTIONS (WITH ANSWERS) * challenge questions Q1. Cp1 algebra 2 projectile motion word problems worksheet #3 kennedy 1. Physics Motion Math Worksheet : Projectile Motion Worksheets Word Problem Worksheets Projectile Motion Word Problems /. Physics 12 projectile motion worksheet 2 answer key ... | math_reasoning | FineMath-4+ |
finalexamformulas
finalexamformulas - t = r √ n-2 √ 1-r 2 • r 2 = SSR...
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STAT 212: Final Exam Formulas ¯ x = 1 n n X i =1 x i s 2 = 1 n - 1 n X i =1 ( x i - ¯ x ) 2 = 1 n - 1 ( n X i =1 x 2 i - ( n i =1 x i ) 2 n ) s = s 2 r = 1 n - 1 n X i =1 ± x i - ¯ x ... | math_reasoning | FineMath-4+ |
# important Questions class 11 chapter 1 sets
student um akstudy1024
16. Dec 2018
1 von 12
### important Questions class 11 chapter 1 sets
• 1. created by Akstudy1024 1 /akstudy1024 Maths Class 11 Chapter 1 SETS Most Important Questions for Exams SOLUTION OF ONE MARK QUESTIONS Q1. Write the set A = {x : x is a lette... | math_reasoning | FineMath-4+ |
# Are all squares rectangles yes or no?
### Are all squares rectangles yes or no?
Definition: A square is a quadrilateral with all four angles right angles and all four sides of the same length. ... Thus every square is a rectangle because it is a quadrilateral with all four angles right angles. However not every rec... | math_reasoning | FineMath-4+ |
# How Fast Would the Car Need to Go to Double Its Kinetic Energy?
by Mike Constanza
The car needs to go at a speed of 80 miles per hour. Kinetic energy is proportional to the square of the velocity, so as you double your velocity, kinetic energy increases by a factor of four.
If you want to triple your kinetic energ... | math_reasoning | FineMath-4+ |
# Fiat Doblo 1 3 Multijet Workshop Wiring Diagram
• Wiring Diagram
• Date : November 28, 2020
## Fiat Doblo 1 3 Multijet Workshop Wiring Diagram
Doblo 1 3 Multijet Workshop
Fiat Doblo 1 3 Multijet Workshop Wiring DiagramLiquid Phase Diagram - Is a Liquid a Solid? ? You've probably seen in your previous formulas ho... | math_reasoning | FineMath-4+ |
Team Game # # Solution Summary ZOJ 3803 YY ' s Minions (Dfs search + simulation)
Source: Internet
Author: User
YY ' s Minions Time limit: 2 Seconds Memory Limit: 65536 KB
Despite YY's so much homework, she would-like-take some time-to-play with her minions first.
YY lines her minions up to an N * M matrix. Every mi... | math_reasoning | FineMath-4+ |
# CS代考程序代写 algorithm Homework 6 COMS 311 Points: 100 Due: Oct 24, 11:59PM
Homework 6 COMS 311 Points: 100 Due: Oct 24, 11:59PM
1. Solve the following recurrences (Do not use Master theorem)
(a) T(n) = T(n/2) + cn2
Ans. Imagine expanding the recurrence tree. At level zero, there is one node with size n. At level one, t... | math_reasoning | FineMath-4+ |
# Graphing helpppp...
• Nov 11th 2006, 11:37 PM
Graphing helpppp...
Sketch the graph of the function and determine its domain and range:
1.) $F(x) = \frac{x^3 - 2x^2}{x-2}$
the answer from the back of our book is
domain: ${x|x is not equal to 2};$ - i dont know why
range: $[0,+ /infty )$
2.) $F(x) = |3x + 2|$
than... | math_reasoning | FineMath-4+ |
# Newton's First Law
```Newton’s First Law
By the end of this lesson, I will learn what Newton’s First Law states and the effect
is has in everyday scenarios.
Do now:
1. Open the link and complete the questions
2. Write everything that could happen to an object
when a force is applied to it.
2. Forces change the shape... | math_reasoning | FineMath-4+ |
EE3530-5a
# EE3530-5a - Chapter 5 The Root-Locus Design Method r 6 e-...
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Chapter 5 The Root-Locus Design Method - - C ( s ) - P ( s ) - 6 r e u y - Closed-loop poles: 1 + P ( s ) C ( s ) = 0 . Denote L ( s ) := P ( s ) C ( s ) L ( s ) = K ( s - z 1 )( s... | math_reasoning | FineMath-4+ |
In Geometry, the objects are said to be concentric if they share a common center. Circles, spheres, regular polyhedra, regular polygons are concentric as they share the same center point. In Euclidean Geometry, two circles that are concentric have the same center but always have different radii.
You are watching: How ... | math_reasoning | FineMath-4+ |
## Reflection: Organizational Systems Percentage Equations - Section 4: Independent Practice
In my quest to give students practice with writing about math in a way that the Smarter Balanced Assessment will expect them to, I've started to experiment with Google Forms.
I use Google Forms to present students with constr... | math_reasoning | FineMath-4+ |
# 96833 (number)
96,833 (ninety-six thousand eight hundred thirty-three) is an odd five-digits composite number following 96832 and preceding 96834. In scientific notation, it is written as 9.6833 × 104. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 88,020 positive i... | math_reasoning | FineMath-4+ |
## if two towns have the same population density, which must also be true
Question
if two towns have the same population density, which must also be true
in progress 0
2 months 2021-11-19T08:58:49+00:00 2 Answers 0 views 0
1. It could be anything like they must have the same amount of food and enough water and all ... | math_reasoning | FineMath-4+ |
# How to calculate the speed of the grinding wheel of a vertical double surface grinder?
Time: 2021-11-25 Hits: 187 views
Grinding a workpiece is a common machining operation and is performed when very tight tolerances and surface finishes are required. Operators of vertical surface grinders must be familiar with the... | math_reasoning | FineMath-4+ |
# Slutsky Substitution and Income Effect
Note: an error on this page was identified by a user and a note has been posted on the discussion page.
The Slutsky's Equation breaks down a change in demand due to price change into the substitution effect and the income effect. The equation takes the form:
${\displaystyle {... | math_reasoning | FineMath-4+ |
# How is cubic capacity figured?
The cubic capacity, or cc, of an engine is figured by multiplying 0.7854 by the cylinder bore squared times the crankshaft stroke times the number of cylinders, according to Burton Power. The cylinder bore is the diameter of the cylinder, while the crankshaft stroke is the distance the... | math_reasoning | FineMath-4+ |
# Difference between revisions of "Multifingered Hand Kinematics"
Prev: Robot Dynamics and Control Chapter 5 - Multifingered Hand Kinematics Next: Hand Dynamics and Control
In this chapter, we study the kinematics of a multifingered robot hand grasping an object. Given a description of the fingers and the object, we... | math_reasoning | FineMath-4+ |
750 cm to feet converter
How Many Feet Are in a Cm?
Cminchesconverter is a tool for conversion which helps you in converting centimeters in feet. Both feet and centimeters are units of length. One centimeter is approximately equal to 0.032808399 feet. This connection lets us convert centimeters to feet.
1 centimeter... | math_reasoning | FineMath-4+ |
Math and Arithmetic
# How many hours are there in February on a regular year?
###### Wiki User
There are 672 hours on a regular year.
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## Related Questions
if you mean how many hours you should sleep in a year it wo... | math_reasoning | FineMath-4+ |
# 11.2 Arithmetic sequences (Page 3/8)
Page 3 / 8
Write a recursive formula for the arithmetic sequence.
## Using explicit formulas for arithmetic sequences
We can think of an arithmetic sequence as a function on the domain of the natural numbers; it is a linear function because it has a constant rate of chang... | math_reasoning | FineMath-4+ |
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