content string | quality_label int64 | meta string | all-MiniLM-L6-v2_embedding list | doc_id int64 | unique_id string |
|---|---|---|---|---|---|
Daughters’ Ages
Two MIT math grads bump into each other at Fairway on the upper west side. They haven’t seen each other in over 20 years.
the first grad says to the second: “how have you been?”
second: “great! i got married and i have three daughters now”
first: “really? how old are they?”
second: “well, the product o... | 4 | [
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pairwise prime
Let a,a2,...,an c so far: gcd(a1,a2,an)=1 since its pairwise then gcd (a1,an) =1, gcd (a2,an)=1 gcd(ai,aj)=1 c=ai*m
I'd suggest you to procede by induction. Show that if $a_1\cdots a_k|c$, then $a_1\cdots a_ka_{k+1}|c$. Hint: remark that $a_1\cdots a_k$ and $a_{k+1}$ are relatively prime (this by the wa... | 5 | [
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0.02783203125... | 1,601 | 1601 | |
Homework Help
Posted by Linda on Monday, April 2, 2012 at 4:30am.
Corn is poured through a chute at the rate of 10ft^3 / min and falls in a conical pile whose bottom radius is always half the height. How fast is the circumference of the base changing when the pile
is 8 feet high?
Please explain
• Math - Steve, Mon... | 5 | [
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... | 1,602 | 1602 | |
The site of Ian Luke Kane. Thoughts on mathematics, logic, and life. The beauty therein and the strangeness of it all.
Three Tricks for Squaring Numbers
A mental math installment:
While walking to Carnegie Mellon the other day I started thinking about squaring two digit numbers. So instead of hoarding my findings and... | 4 | [
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© 2008, 2009 KnowledgeToTheMax
Missing information
Under the probabilistic logic, an inference has a unique measure. In work published in 1948, Claud... | 4 | [
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Re: st: xtlogit problem
[Date Prev][Date Next][Thread Prev][Thread Next][Date index][Thread index]
Re: st: xtlogit problem
From jlinhart@stata.com (Jean Marie Linhart, StataCorp LP)
To statalist@hsphsun2.harvard.edu
Subject Re: st: xtlogit problem
Date Wed, 10 May 2006 17:44:09 -0500
Michele Guerin <mguer... | 5 | [
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... | 1,605 | 1605 | |
RE: st: RE: Re: errors in outcome variables regression
[Date Prev][Date Next][Thread Prev][Thread Next][Date index][Thread index]
RE: st: RE: Re: errors in outcome variables regression
From Mark Schaffer <M.E.Schaffer@hw.ac.uk>
To statalist@hsphsun2.harvard.edu, Mike Hollis <mehla@earthlink.net>
Subject RE: ... | 4 | [
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- W
THE ORBITS OF THE PLANETS - WORKSHEET
The following table gives information about the ORBITS of the NINE planets of the SOLAR SYSTEM. The force of GRAVITY makes the planets move in orbits that are nearly circular around the SUN.
THE... | 4 | [
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Homework Help
Posted by nik on Saturday, July 14, 2012 at 3:09pm.
find the equation of a parabola that opens to the right with given vertex: (0,3) and passes thru the point: (2,-1)
• college algebra - Reiny, Saturday, July 14, 2012 at 5:57pm
with a vertex of (0,3) and opening up to the right, the equation is
... | 4 | [
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powers modulo m help needed
June 5th 2008, 07:32 AM #1
Junior Member
Joined
Jun 2008
Posts
39
powers modulo m help needed
I see the pattern when the numbers are raised to a small integer, but once at a^8 I am lost....Can someone please help me with the following....
a=28 28^749(mod1174)
a^1 = 28... | 5 | [
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PLEASE help with 2 tricky series problems!
May 5th 2008, 06:19 AM
seth55
PLEASE help with 2 tricky series problems!
1) Verify that the series:
1-(1/2)+(1/2)-(1/3)+(1/2)-(1/3)-(1/4)+(1/3)-(1/4)+(1/3)-(1/4)+...
diverges and explain how this does not violate the basic theorem on alternating series.
[... | 5 | [
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0... | 1,610 | 1610 | |
Probability Questions
November 15th 2009, 09:43 AM #1
Newbie
Joined
Nov 2009
Posts
1
I really don't get this question and my work's due tomorrow any help is really appreciated!
A game consists of rolling a dodeacahedral (12 faced) die and receiving the dollar amount equivalent to the roll. If the cos... | 4 | [
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Calculus 12th grade (double check my work please)
Posted by anon on Sunday, March 6, 2011 at 12:38am.
1.)Find dy/dx when y= Ln (sinh 2x)
my answer >> 2coth 2x.
2.)Find dy/dx when sinh 3y=cos 2x
A.-2 sin 2x
B.-2 sin 2x / sinh 3y
C.-2/3tan (2x/3y)
D.-2sin2x / 3 cosh 3yz...>> my answer.
2).Find the derivative of y... | 5 | [
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... | 1,612 | 1612 | |
calculus-derivatives
Posted by mary on Thursday, March 15, 2012 at 1:39am.
Hello, please help me, I'm studying for a test. :)
I won't say the question because I'd like to figure it out myself or try first, but I'm looking for a simpler way to go about this.
I have to find the derivative of h(x)= (x)(x-1)^1/3
I got:... | 4 | [
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... | 1,613 | 1613 | |
Case Study: How to build your own stack frames.
mark@omnifest.uwm.edu (Mark Hopkins)
Fri, 25 Aug 1995 16:15:20 GMT
From comp.compilers
| List of all art... | 4 | [
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Physics Urgent!!!!!
Posted by Abia on Monday, May 2, 2011 at 3:36pm.
OK, I know, I'm postin this way too many times but I'm halfway there now....
Newton’s Law of Gravity specifies the magnitude of the interaction force between two point masses, m1 and m2, separated by the distance r as F(r) = Gm1m2/r^2. The gravitati... | 4 | [
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Homework Help
Posted by Michaela on Monday, June 13, 2011 at 7:52pm.
An isosceles trapezoid with that bases 16 in and 34 in are inscribed in a circle such that one of the bases is the diameter. Find the area of the trapezoid.
• geometry - drwls, Monday, June 13, 2011 at 8:13pm
OK 34 inches is the diameter of t... | 4 | [
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Inquiry Into Inquiry
Doubt, Uncertainty, Dispersion, Entropy : 2
Re: John Baez • Entropy and Information in Biological Systems
Re: To develop the concept of evolutionary games as “learning” processes in which information is gained over time.
My customary recommendation on this point is to look more deeply into the w... | 4 | [
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Homework Help
Posted by Em on Monday, January 21, 2013 at 2:20pm.
Find the volume V of the solid obtained by rotating the region bounded by the given curves about the specified line.
y = (64 − x^2)^(1/4), y = 0, x = 6, x = 7; about the x-axis
• Math - Steve, Monday, January 21, 2013 at 3:36pm
v = ∫[6,7] πr^2 ... | 5 | [
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On C^1 closing lemma
Let $f: M \rightarrow M$ be a diffeomorphism. A point $p$ is non-wandering if for all neighborhood $U$ of $p$, there is increasing sequence $(n_k) \subseteq \mathbb{N}$ where $U \cap f^{n_k}(U) eq \
phi$. We write $p \in \mathcal{NW}(f)$.
Closing lemma: For any diffeomorphism $f: M \rightarrow M$,... | 4 | [
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... | 1,619 | 1619 | |
Can Anyone Help Please (URGENT)
November 26th 2008, 03:59 AM #1
Newbie
Joined
Nov 2008
Posts
14
Can Anyone Help Please (URGENT) [5 Quest.]
Can anyone help me with any of these questions? Thanks alot.
1. Solve by using the quadratic formula.
5p^2=-18p-9
2. Solve for x by using the quadratic... | 4 | [
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-0.04541015... | 1,620 | 1620 | |
SparkNotes
Equivalent Fractions
Two fractions are equivalent if they express the same part of a whole. For example, 2/3 and 4/6 express the same part of a whole. 12/9 and 4/3 are also equivalent.
Two fractions are equivalent if there is a number by which both the numerator and the denominator of one fraction can be m... | 4 | [
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0.1279... | 1,621 | 1621 | |
find the area
April 27th 2009, 10:45 PM #1
Newbie
Joined
Apr 2009
Posts
4
find the area
of the region inside r^2 = 4 sin 2theta and outside r = sqrt(2)
I've sketched it out, but it just made me angrier. How would i go about setting up an equation for this type of problem?
You should find their ... | 5 | [
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linear equation with integrating factor
February 24th 2010, 03:47 PM
collegestudent321
linear equation with integrating factor
Hello,
I have been trying this problem for about an hour now and I just can't seem to figure it out:
dA/dt + 2A/(50+t) = 3
I found that the integrating factor = (50+t)^2 an... | 5 | [
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-0.06201171875... | 1,623 | 1623 | |
How to find f(x) - I suspect an error in the command
March 20th 2011, 01:17 PM #1
Newbie
Joined
Mar 2011
Posts
6
How to find f(x) - I suspect an error in the command
Hello
I want to solve a question, I don't understand why my answer is false so i think there might be an error in the order.
The q... | 4 | [
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Normalizing Scoring Stats
Normalizing Scoring Stats Using Scoring-based SOS
Deciding whether gaudy offensive numbers are due to good offense or weak opponents' defense (or both!) is an interesting and complex problem. The short answer is that you have to adjust the
statistics based upon the strength of the opponent (l... | 4 | [
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... | 1,625 | 1625 | |
Number Theory.,Math
Posted by frm on Thursday, October 10, 2013 at 11:07pm.
How many ordered pairs of positive integers (a,b) are there such that (4a-1)/b and (4b-1)/a are both integers?
• Number Theory.,Math - Reiny, Friday, October 11, 2013 at 12:11am
clearly (1,1) will work
I then made up and ran a sil... | 4 | [
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0.001907348632812... | 1,626 | 1626 | |
Simultaneous diagonalization
up vote 6 down vote favorite
4
I'm pretty sure that the following (if true) is a standard result in linear algebra but unfortunately I could not find it anywhere and even worse I'm too dumb to prove it: Let $k$ be a field, let $V$
be a finite-dimensional $k$-vector space and let $S \subset... | 4 | [
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0.005279541015625,
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0.0... | 1,627 | 1627 | |
Surface Area Lesson Plans & Worksheets :: 101 - 120
Surface Area Teacher Resources
Find Surface Area educational ideas and activities
Showing 101 - 120 of 274 resources
In this volume and surface area worksheet, students find the volume in each of the ten problems listed and write their measurements in terms of the ... | 4 | [
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0.03369140625,
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Presentation for Rubik's cube
Submitted by jaap on Fri, 03/12/2010 - 03:32.
I just found
a recent post by "secondmouse" on sci.math
that deserves a wider audience. I'll quote it here in full.
I found the following short presentation for the
miniature 2x2x2 Rubik's cube of order 3674160:
< a,b,c | ... | 4 | [
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Finding Critical Numbers and Absolute Extrema's.
October 26th 2008, 10:49 AM #1
Newbie
Joined
Oct 2008
Posts
6
Finding Critical Numbers and Absolute Extrema's.
1) ${\frac{3}{2}}x^{\frac{1}{2}}-{\frac{3}{2}}x^{\frac{-1}{2}}$
For this one... I found that my critical number was 1. I don't know if its r... | 4 | [
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Proving identitiees
October 20th 2009, 12:57 AM #1
Member
Joined
Sep 2006
Posts
134
Proving identitiees
$\frac{sec x + 1}{tan x} = \frac{tan x}{sec x -1}$
x there is θ. I don't know how to put the θ.
Thank you.!
Substitute $\tan x = \frac{\sin x}{\cos x}$ and $\sec x = \frac{1}{\cos x}$ an... | 4 | [
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Zeros of a cubic function
March 21st 2009, 06:16 PM #1
Newbie
Joined
Mar 2009
Posts
2
Zeros of a cubic function
Hello,
I'm trying to help my brother with a math problem, but I just haven't done this stuff in quite a while so I don't even know where to start. I'd appreciate any assistance!
Cheer... | 4 | [
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Functions and Inverses
January 14th 2007, 06:10 PM
Freaky-Person
Functions and Inverses
just 2. I got the rest down but these ones are driving me insane.
Find inverse of functions
1. h(x) = 2x/(x+10)
2. f(x) = x^2 + 6x + 11
Thanks.
January 14th 2007, 07:09 PM
ThePerfectHacker
$y=\frac{... | 4 | [
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0... | 1,633 | 1633 | |
Gaussian filter, or Gaussian blur
Article 9
Gaussian filter, or Gaussian blur
Download Gaussian filter, or Gaussian blur for Win32 (zip, 890 Kb)
Download Gaussian filter, or Gaussian blur C++ source code (zip, 4 Kb)
1. Introduction to Gaussian filter, or Gaussian blur
Gaussian filter is windowed filter of linear c... | 4 | [
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DEG3MAXT - Editorial
PROBLEM LINK:
Practice
Contest
Author: Mugurel Ionut Andreica
Tester: Jingbo Shang
Editorialist: Ajay K. Verma
DIFFICULTY:
HARD
PREREQUISITES:
Biconnected component, Dijkstra's algorithm
PROBLEM:
Given a weighted undirected graph whose largest biconnected component has at most 9... | 4 | [
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... | 1,635 | 1635 | |
Homework Help
Posted by Kim on Sunday, March 9, 2014 at 9:56pm.
A model for the length of daylight (in hours) in Philadelphia on the tth day of the year is
L(t) = 12 + 2.8 sin[(2π/365)(t − 80)].
Use this model to compare how the number of hours of daylight is increasing in Philadelphia on March 21 and April 21. (Ass... | 5 | [
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Exponential Growth and Decay (word problems).
April 3rd 2007, 08:24 PM
Mulya66
Exponential Growth and Decay (word problems).
1) "Solve the equation: The price of a new car is $28,000 and it depreciates 9% each year. How much is the car worth in 6 years?"
I THINK #1 is as follows...
y = 28,000(1+/-0.09)... | 4 | [
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Homework Help
Posted by Anonymous on Sunday, November 1, 2009 at 8:39am.
a spherical balloon is inflated with gas at the rate of 500 cubic centimeters per minute. how fast is the radius of the balloon increasing at the instant the radius is 30 centimeters?
• Calculus - drwls, Sunday, November 1, 2009 at 9:21am
... | 4 | [
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tricky optimization question
Find the dimensions of the isosceles triangle of largest area that can be inscribed in a circle of radius r.
First see the attached diagram. 1. Use the Intersecting Chord Theorem to get: $<br /> (b/2)^2=x(2r-x)<br />$ This is a quadratic in $x$, which we may solve using the quadratic formu... | 5 | [
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... | 1,639 | 1639 | |
Homework Help
Posted by lp on Sunday, November 17, 2013 at 8:08pm.
You have just purchased a new warehouse. To finance the purchase, you have arranged for a 30-year mortgage loan for 80 percent of the $2,800,000 purchase price. The monthly payment on the loan will
be $22,000.
a. What is the effective annual rate (EAR... | 5 | [
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coordinate circle
February 11th 2008, 09:00 PM #1
Member
Joined
Jul 2006
Posts
90
coordinate circle
A circle in the standard (x,y) coordinate plane has center (3,8) and is tangent to the x-axis. The point (x,y) in on the circle if and only if x and y satisfy which of the follwing equations?
The solu... | 4 | [
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Hypothesis Tests for Variance Case I
Hypothesis Tests for Variance Case I
Statistics is the language of variation. Everything varies and we use variance (σ^2) to describe the spread of the data. For any experimental work aimed at making improvements, whether in the design,
manufacturing process or field performance, ... | 5 | [
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0.02197265625... | 1,642 | 1642 | |
Establish the Identity
No doubt...
Quote:
No doubt but to a struggling math student, the more detail given the better chance for understanding.
skeeter had a valid point as well. the secant is undefined for the specified values of x. so that may cause problems. after graphing the two functions, i saw tha... | 4 | [
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... | 1,643 | 1643 | |
Homework Help
Posted by Anonymous on Sunday, February 6, 2011 at 3:18pm.
6. What is the derivative of y = square root of 3x ?
a.dy/dx = square root of 3x/6x
b.dy/dx = square root of 3x/2x
c.dy/dx = 2 times the square root of 3x / 3x
d.dy/dx = square root of 3x/2
okay i know the answer might not be there but which... | 5 | [
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Calc. checking answer
Posted by C on Wednesday, March 23, 2011 at 4:19pm.
Determine whether or not each of the following functions is invertible. Give your reasons for believing the function is invertible or not.
Please check this for me. I am not sure if I am adequately explaining my answer and if my answer is right... | 4 | [
-0.0137939453125,
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... | 1,645 | 1645 | |
Vector Multiplication
Technically speaking, the dot product is a kind of scalar product. This means that it is an operation that takes two vectors, "multiplies" them together, and produces a scalar. We don't, however,
want the dot product of two vectors to produce just any scalar. It would be nice if the product could ... | 4 | [
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0.... | 1,646 | 1646 | |
Mplus Discussion >> LCA s.e.'s for estimates in probability scale
LCA s.e.'s for estimates in probabili...
Message/Author
bmuthen posted on Wednesday, October 16, 2002 - 5:59 am
Here is how Mplus gets the LCA s.e.'s for the binary item parameters conditional on class in the probability scale.
After the ML solutio... | 4 | [
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0.0164794921875,
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Homework Help
Posted by Ariel on Thursday, September 16, 2010 at 3:59pm.
1.)Jenna earns $16,250 per year. She pays 6% of her earnings to her pension fund. Her health insurance costs $81.50 per month and she has $55 taken from her monthly paycheck for savings. What are her
total deductions for the year?
=a.)$2,613
b.... | 4 | [
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0.0220947265625... | 1,648 | 1648 | |
Homework Help
Posted by Lindz on Wednesday, September 27, 2006 at 12:02am.
We would like to test 3 different treatments on a particular type of plant. A worker at the local greenhouse will allow us to use 3 amoung 10 plants.
*Note: Each treatment will be used on one and only one plant.*
a) In how many different ways... | 4 | [
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0.0294189453... | 1,649 | 1649 | |
Maths, Divine International Public School
Posted by Kavya on Sunday, June 8, 2014 at 11:01pm.
If 15Cot=8, find (1+SinA)(1-SinA)/(1+CosA)(1-CosA)
• Maths, Divine International Public School - Reiny, Sunday, June 8, 2014 at 11:45pm
cotA = 8/15
tanA = 15/8
so y=15, x=8
r^2 = 15^2 + 8^2
r = √289 = ... | 4 | [
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Sources of Magnetic Fields
Having established the magnetic field of the simplest cases, straight wires, we must go through some calculus before analyzing more complex situations. In this section we shall generate an expression
for the small contribution of a segment of a wire to the magnetic field at a given point, and... | 5 | [
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0.023315429687... | 1,651 | 1651 | |
Homework Help
Posted by chris on Monday, November 7, 2011 at 8:01pm.
A wire 10 meters ong is to be cut into two pieces. One piece wil be shaped as a square, and the other piece will be shaped as a circle. (piece one is 4x, piece two is 10-4x)
a)Express the total area A enclosed by the pieces of wire as a function of ... | 4 | [
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0.03369140625,
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... | 1,652 | 1652 | |
Please help me sort out these questions
April 25th 2009, 01:14 AM #1
Newbie
Joined
Apr 2009
Posts
6
Hello,
i am new to the forum; i am glad i found what i have been looking for.
I am just OK with maths; i have been struggling with these few pre-calculus question (some are logarithm); i have attac... | 4 | [
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0.0... | 1,653 | 1653 | |
Volume of rotation (y-axis)
February 1st 2010, 04:20 PM
iheartmath
Volume of rotation (y-axis)
The function is y(x) = 7/(x^2 +5x +6) evaluated from x = 0 to x = 1. Obviously it cannot be written as x(y). I tried changing the bounds of integration (from x values to their corresponding y
values on the function... | 4 | [
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-0.037841796875,... | 1,654 | 1654 | |
SparkNotes: SAT Subject Test: Math Level 2: Explanations
12.1 Logic 12.5 Key Terms
12.2 Sequences 12.6 Review Questions
12.3 Limits 12.7 Explanations
12.4 Imaginary and Complex Numbers
Explanations
1. A
If a statement is true, the contrapositiv... | 5 | [
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-0.0026092529296875,
0.0211181640625,
0.062255859375,
0.095703125,
0.003570556640625,
-0.031982421875,
-0.047607421875,
... | 1,655 | 1655 | |
Tail recursion and loops
Lab 9
Tail recursion and loops
... | 5 | [
-0.046875,
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0.059326171875,
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-0.05517578125,
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0.00194549560546875,
-0.000003039836883544922,
-0.0250244140625,
0... | 1,656 | 1656 | |
Math Help
January 26th 2009, 08:40 PM #1
Junior Member
Joined
Oct 2008
Posts
68
Volume
An open box is made from a rectangular piece of material 12" by 16" by cutting equal squares from each corner and turning up the sides. Let x be the length of each side of the square cut out of
each corner. Write ... | 4 | [
0.041259765625,
0.1318359375,
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0.01953125,
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0.072265625,
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0.00579833984375,
-0.0291748046875,
0.0306396484375,... | 1,657 | 1657 | |
[SOLVED] Proving that a polynomial is 0
March 18th 2009, 10:34 AM #1
[SOLVED] Proving that a polynomial is 0
Hi
Challenging (more or less) question. I put it in this subforum as to avoid giving hints on the way to solve it.
My friend told me a method, but I'm curious to know if there are others.
So... | 5 | [
-0.03173828125,
0.07470703125,
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0.0081787109375,
0.00701904296875,
-0.0203857421875,
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0.0205078125,
0.046875,
-0.064453125,
0.0018768310546875,
0.01141357421875,
0.... | 1,658 | 1658 | |
Chapter 8 Key Problem
Chapter 8
Key Question 2
Suppose an economy’s real GDP is $30,000 in a year and $31,200 in year 2. What is the growth rate of its real GDP? Assume that population is 100 in year 1 and 102 in year 2. What is the growth rate
of GDP per capita?
The growth rate of its real GDP is [($31,200-30,000)/... | 4 | [
-0.0361328125,
-0.00518798828125,
-0.01312255859375,
0.001678466796875,
0.033447265625,
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0.03466796875,
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0.046630859375,
0.03076171875,
0.0791015625,
0.044189453125,
-0.0517578125,
-0.0240478... | 1,659 | 1659 | |
Introduction to Determinants
For any square matrix of order 2, we have found a necessary and sufficient condition for invertibility. Indeed, consider the matrix
The matrix A is invertible if and only if determinant of A. It is clear from this, that we would like to have a similar result for bigger matrices (meaning h... | 5 | [
-0.021484375,
-0.080078125,
0.01361083984375,
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0.0537109375,
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0.0174560546875,
-0.044921875,
-0.042236328125,
0.052978515625,
-0.0034332275390625,... | 1,660 | 1660 | |
SparkNotes
We are about to consider expressions involving variables inside of square roots. In order to make the simplification rules simpler, and to avoid a discussion of the "domain" of the square root, we
assume that all variables represent non-negative real numbers.
Simplifying square roots with variables is simil... | 4 | [
0.0213623046875,
0.004150390625,
-0.0230712890625,
0.111328125,
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0.047607421875,
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0.07763671875,
0.08984375,
0.0283203125,
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0.08935546875,
... | 1,661 | 1661 | |
The
Probability in Quantum Mechanics: The Feynman Algorithm Revisited
Up to this point, Basic Physics has taken its examples from introductory-level classical physics. Probability has applications in classical physics, but it plays a more essential role in quantum
physics. We can take examples from quantum mechanics ... | 4 | [
-0.130859375,
0.0191650390625,
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0.0478515625,
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0.0380859375,
-0.01068115234375,
0.07666015625,
0.041015625,
-0.0908203125,
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-0.007049560546875,
0.09716796875,
-0.0130615234375,
0.002197265625,
-0.0654... | 1,662 | 1662 | |
equations reduced
Finding the equations reduced with x independent variable of straight intersection of plans $n1: 3x-2y-z-1=0$ $n2: x+2y-z-7=0$ Answer: $y=\frac{1}{2}x+\frac{3}{2}$ $z=2x-4$
Hey you should be able to do this. The common line lies on both n1 and n2. Thus both equations must be satisfied for points on t... | 4 | [
-0.06787109375,
0.03466796875,
-0.02783203125,
0.031494140625,
0.021728515625,
0.034912109375,
0.034423828125,
0.060791015625,
-0.0859375,
-0.01531982421875,
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-0.0155029296875,
0.034423828125,
0.006195068359375,
-0.061767578125,
0.0106201171875,
-0.126953125,
-0.0366... | 1,663 | 1663 | |
Homework Help
Posted by Prater on Saturday, October 8, 2011 at 10:56pm.
Recall that the average velocity between times t1and t2 is calculated using
vave = y(t2) − y(t1)/t2 − t1.
We are given that
y = 14t − 1.86t^2.
Evaluating at
t = 1,
we have
y(1) = 14(1) − 1.86(1)2 = 12.14.
Thus, the average velocity between... | 4 | [
0.01141357421875,
0.061279296875,
0.05517578125,
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0.01446533203125,
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0.09375,
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0.02587890625,
-0.10888671875,
0.0294189453125,
-0.056640625,
0.0400390625,... | 1,664 | 1664 | |
Verifying Identities
(1+cscx/secx) - cotx = cosx secx + tanx = (cosx/1-sinx) (sinx/1-cosx) = (1+cosx/sinx)
Hi nichole23, Try posting these one at a time. I think you'd have a better chance of getting them answered. Just a suggestion. $\frac{1+\csc x}{\sec x}-\cot x=\cos x$ $\dfrac{1+\dfrac{1}{\sin x}}{\
dfrac{1}{\cos ... | 4 | [
-0.08056640625,
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0.01806640625,
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0.0233154296875,
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0.005401611328125,
0.00762939453125,
-0.003448486328125,
-0.06298828125,
0.04736328125,
0.05... | 1,665 | 1665 | |
prove these for this poisson equation
Because by the maximum principle the function $u$ assumes it maximum and minimum on the boundary, $S$. Since it constatly assumes zero it must mean the harmonic function is identitically zero on $V$.
As a corollary, we can show that the Dirichlet problem has at most one solution. B... | 4 | [
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0.0244140625,
-0.09375,
-0.07373046875,
... | 1,666 | 1666 | |
ALEX Lesson Plan: Quadrilaterals
1.)I. Download student sheets and teacher sheets.
2.) Plot the points Q,U, A, and D on grid paper. Label the points with the correct letter and ordered pair. These points are called the vertices of the quadrilateral.
3.)With a straight edge draw line segments between each pair of po... | 4 | [
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0.02490234375,
-0.0400390625,
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... | 1,667 | 1667 | |
Zero-probability events
The notion of a zero-probability event plays a special role in probability theory and statistics, because it underpins the important concepts of almost sure property and almost sure event. This
lecture defines zero-probability events and discusses some counterintuitive aspects of their apparent... | 5 | [
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0.03515625,
0.029052734375,
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0.0223388671875,
0.1640625,
0.064453125,
0.0498046875,
-0.05517578125,
0.0272216796875,
0.02001953125,
-0.026611328125,
-0.050537109375,
-0.048583984375,
-0.026977... | 1,668 | 1668 | |
Homework Help
Posted by Soly on Saturday, September 1, 2007 at 3:40pm.
I dont understand how to do the folliwing problems.
Find and simplify the difference quotient f(x+h) -f(x)/h, h cannot equal 0 for the given formula.
1. f(x)=5x^2
options: a. 5, b.5(2x+h), c. 10/h +x+5h, d. 5(2x^2+2xh+h^2)/h
2. f(x)=x^2+3x+9
o... | 4 | [
-0.0245361328125,
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0.056640625,
0.046630859375,
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0.037353515625,
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0.1103515625,
-0.11474609375,
-0.03466796875,
-0.00439453125,
-0.01165771484375,
0.05224609375,
-0.0849609375,
-0.006652832... | 1,669 | 1669 | |
alculat
[Root]
Contents
[Top]
This page contains a recipe for finding the times of events such as sunrise, sunset, and the times for various definitions of twilight. The recipe is illustrated by direct calculation, and
implemented as
• a 'portable' spreadsheet using only 'standard' functions
• as an Excel enhan... | 5 | [
0.008056640625,
0.029296875,
0.0234375,
0.03662109375,
-0.060791015625,
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0.0279541015625,
0.10009765625,
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0.044189453125,
-0.0625,
0.037841796875,
-0.048828125,
0.032470703125,
0.01202392578125,
0.036376953125,
-0.07470703125,
-0.012... | 1,670 | 1670 | |
Re: st: Running Product Function
Notice: On March 31, it was announced that Statalist is moving from an email list to a forum. The old list will shut down on April 23, and its replacement, statalist.org is already up and running.
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: st: Runni... | 4 | [
-0.08544921875,
-0.000850677490234375,
0.0211181640625,
-0.06640625,
0.03369140625,
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0.10546875,
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0.035888671875,
0.022216796875,
0.053466796875,
-0.024... | 1,671 | 1671 | |
Anais da Academia Brasileira de Ciências
Services on Demand
Article
Indicators
Related links
Share
Print version ISSN 0001-3765
An. Acad. Bras. Ciênc. vol.73 no.1 Rio de Janeiro Mar. 2001
http://dx.doi.org/10.1590/S0001-37652001000100001
Mod... | 4 | [
-0.05859375,
-0.03076171875,
0.07421875,
0.055419921875,
0.01373291015625,
0.048583984375,
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0.09423828125,
0.07421875,
-0.03515625,
0.033203125,
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0.004058837890625,
0.025634765625,
-0.01123046875,
-0.09765625,
-0.0050048828125,
-0.05615234375,
-0.0... | 1,672 | 1672 | |
On Hadamard-Type Inequalities Involving Several Kinds of Convexity
We do not only give the extensions of the results given by Gill et al. (1997) for log-convex functions but also obtain some new Hadamard-type inequalities for log-convex
1. Introduction
The following inequality is well known in the literature as Hadam... | 5 | [
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0.0517578125,
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0.1328125,
0.01055908203125,
-0.041015625,
0.04931640625,
-0.003204345703125,
-0.078125,
-0.020... | 1,673 | 1673 | |
Homework Help
Posted by jonh on Sunday, March 10, 2013 at 4:54pm.
A cylinder shaped can needs to be constructed to hold 400 cubic centimeters of soup. The material for the sides of the can costs 0.03 cents per square centimeter. The material for the top and bottom
of the can need to be thicker, and costs 0.06 cents pe... | 5 | [
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0.07421875,
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0.0947265625,
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-0.03515625,
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0.042724609375,
-0.0223388671875,
-0.007110595703125,
0.0025634765625,
0.03369140625... | 1,674 | 1674 | |
Homework Help
Posted by Jet on Sunday, June 17, 2012 at 5:17pm.
Obtain the differential equation from the following:
1. y=C(subscript 1)e^x+ C(subscript 2)xe^x
2. y=[C(subscript 1)e^2x]cos3x+[C(subscript 2)e^2x]sin3x
• Math - Count Iblis, Sunday, June 17, 2012 at 7:16pm
Denoting the diferential operator d/dx... | 5 | [
-0.11669921875,
-0.015869140625,
0.0556640625,
0.0201416015625,
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-0.04736328125,
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0.140625,
-0.08642578125,
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0.0201416015625,
0.0303955078125,
-0.00592041015625,
-0.05419921875,
0.033691406... | 1,675 | 1675 | |
Laws of Boolean Algebra - Computer Fundamentals - Free Computer Science Tutorials - Provided by Laynetworks.com
Boolean Algebra
The most obvious way to simplify Boolean expressions is to manipulate them in the same way as normal algebraic expressions are manipulated. With regards to logic relations in digital forms, a... | 4 | [
0.00775146484375,
0.02099609375,
-0.044189453125,
0.02294921875,
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0.041015625,
0.087890625,
-0.022216796875,
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0.01251220703125,
-0.0013885498046875,
0.068359375,
-0.1328125,
0.005340576171875,
... | 1,676 | 1676 | |
C74 Forums: Gamma and Polygamma functions
Forums > Dev
Gamma and Polygamma functions
February 14, 2006 | 9:57 am
Dear Collected Wisdom,
Does anyone here know of any available Math libraries that implement
the polygamma functions (digamma, trigamma, etc., usually notated as
psi)? I’ve not had success with/Google (tr... | 4 | [
-0.1640625,
-0.043212890625,
-0.0341796875,
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-0.16015625,
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0.03369140625,
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0.0067138671875,
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-0.00677490234375,
-0.0205078125,
0.0289306640625,
0.08740234375,
-0.00933837890625,
0.... | 1,677 | 1677 | |
How to Find Errors in Finite-Element Models
By Paul Kurowski
President, ACOM Consulting, London, Ontario, Canada, Barna Szabo
Professor of Mechanics, Washington University, St. Louis, Mo.
It's easy to construct finite-element models with errors. And it's just as easy to correct them, when you know how.
The first st... | 5 | [
-0.01324462890625,
0.0654296875,
0.08154296875,
0.061767578125,
0.01446533203125,
-0.08642578125,
0.001678466796875,
0.0703125,
-0.03466796875,
0.01483154296875,
-0.030517578125,
-0.0146484375,
0.08984375,
-0.0106201171875,
-0.060302734375,
-0.07421875,
-0.0289306640625,
0.01403808... | 1,678 | 1678 | |
expected value
February 14th 2010, 01:58 AM #1
Super Member
Joined
Aug 2009
Posts
639
expected value
you bet $5 in a game and there is a 251/ 495 probability that you wil lose that $5 and 244/495 probabilty taht you will win that you will win $5. given that your expected value is -7.07 cents,
how muc... | 5 | [
-0.0106201171875,
-0.01513671875,
0.0228271484375,
0.017822265625,
0.04443359375,
-0.00665283203125,
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-0.043701171875,
-0.01611328125,
-0.07080078125,
-0.023... | 1,679 | 1679 | |
RE: st: Interval variables as independent variables
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
RE: st: Interval variables as independent variables
From Maarten buis <maartenbuis@yahoo.co.uk>
To statalist@hsphsun2.harvard.edu
Subject RE: st: Interval variables as independent var... | 5 | [
-0.09521484375,
0.0186767578125,
0.0029754638671875,
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-0.03125,
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0.000698089599609375,
0.01495361328125,
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0.01171875,
0.038330078125,
0.08251953125,
0.099609375,
-0.002227783203125,
0.029052734375,
0.007873... | 1,680 | 1680 | |
Homework Help
Posted by Kate on Sunday, July 17, 2011 at 10:29am.
Solve for all possible values of x where O°≤x≤360°.
tan x = -1/√3
cos x = 1/2
• Math - MathMate, Sunday, July 17, 2011 at 1:19pm
Use the CAST rule to determine the sign of the functions cosine and tangent:
C-quad.4, Cosine >0
A-quad.1... | 4 | [
-0.038818359375,
0.0595703125,
0.0079345703125,
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0.00689697265625,
0.008056640625,
-0.026123046875,
-0.003662109375,
-0.03955078125,... | 1,681 | 1681 | |
st: RE: Goodness of fit of -intreg depvar1 depvar2 indepvars, het(subse
[Date Prev][Date Next][Thread Prev][Thread Next][Date index][Thread index]
st: RE: Goodness of fit of -intreg depvar1 depvar2 indepvars, het(subset_of_indepvars) robust-
From "Nick Cox" <n.j.cox@durham.ac.uk>
To <statalist@hsphsun2.harv... | 4 | [
-0.07763671875,
-0.03955078125,
0.0859375,
0.056640625,
0.078125,
0.00885009765625,
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0.010986328125,
0.052001953125,
0.01080322265625,
-0.0240478515625,
-0.0322265625,
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-0.047119140625,
-0.0654296875,
-0.06494140625,
0.045166015625,
-0.06494140625,
... | 1,682 | 1682 | |
continued fraction
October 15th 2006, 10:40 PM #1
Member
Joined
Sep 2006
Posts
83
Let a = sqrt(3) -1. prove that
a = 1/(1 + 1/(2 + a) )
Use this to find the continued fraction expansion for a.
Deduce the continued fraction expansion for sqrt(3).
Check that your answer makes sense - tha... | 5 | [
-0.038818359375,
-0.076171875,
0.07958984375,
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0.021240234375,
0.0703125,
0.02978515625,
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0.08544921875,
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... | 1,683 | 1683 | |
Patent
Easy To Use Patents Search & Patent Lawyer Directory
At Patents you can conduct a Patent Search, File a Patent Application, find a Patent Attorney, or search available technology through our Patent Exchange. Patents are available using simple keyword
or date criteria. If you are looking to hire a patent attor... | 4 | [
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Mapping Proof
January 31st 2008, 09:41 PM
Jhevon
Mapping Proof
For some reason i'm having trouble with this problem...:o
Prove that a mapping $\alpha : S \to T$ is one-to-one iff $\alpha (A \cap B) = \alpha (A) \cap \alpha (B)$ for every pair of subsets $A$ and $B$ of $S$.
we define something like $\al... | 4 | [
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Homework Help
Posted by Kishwa on Tuesday, April 2, 2013 at 8:19pm.
Urgent... Someone please help!!
Can someone please check to see if I am doing these correctly, I have a test tomorrow... Thank you :)
Q) Calculate the new molarity of a 35mL sample of 0.450 M CaCl2 solution that is diluted with enough water to make ... | 4 | [
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MathGroup Archive: March 1997 [00056]
[Date Index] [Thread Index] [Author Index]
Re: Re: Numerical Left Eigenvectors
• To: mathgroup at smc.vnet.net
• Subject: [mg6406] Re: [mg6392] Re: [mg6369] Numerical Left Eigenvectors
• From: "w.... | 5 | [
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0.01611328... | 1,687 | 1687 | |
The Considerate Economist
Economists have been getting a bad rap lately. We get blamed for everything going wrong in the world. From Wall Street corruption to unemployment to climate change, it’s somehow our fault one way or
another. We are cast as the cruel and greedy, heartless plotters who spend all day machinating ... | 5 | [
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solid mensuration
Posted by alysa on Monday, January 21, 2013 at 2:29am.
the perimeter of an ellipse with an area equal to 12pi square units if the non opposite vertices are 5units apart
• solid mensuration - bobpursley, Monday, January 21, 2013 at 5:01am
• solid mensuration - Reiny, Monday, January 21, 2013 at 1... | 4 | [
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Local Extrema help
How do i find the "local extrema" for a function like this: f(x,y) = xy+y-15x
Hello, square! How do i find the "local extrema" for a function like this: . $f(x,y) \:=\: xy+y-15x$ Solve the system: . $\begin{array}{ccc}\dfrac{\partial f}{\partial x} &=& 0 \\ \\[-3mm] \dfrac{\
partial f}{\partial y} &... | 4 | [
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Expressing in terms of sin.
December 15th 2008, 01:14 PM #1
Junior Member
Joined
Dec 2008
Posts
54
Expressing in terms of sin.
I'm having a little trouble on this problem. Any insight?
Express in terms of sin.
$\frac{1 + \cos\Theta} {\sin\Theta} + \frac{\sin\Theta} {1 + \cos\Theta}$
Last e... | 4 | [
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GCF and LCM Problem Solving
Views: 112 | Added: 05-01-2013
From: amara Rate Presentation:
0 0
Description:
GCF and LCM Problem Solving. How can you tell if a word problem requires you to use Grea... | 4 | [
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Making Hemispheres out of Paper
Date: 07/28/99 at 16:23:08
From: Matt Osborn
Subject: Making spheres from paper
I'm a high school math teacher, and I've been trying to figure out how
you would make a sphere from a piece of paper, for example, if I
wanted my geometry students to be take a piece of paper and fold/cut
... | 5 | [
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Inequalities/writing set in interval notation
October 4th 2009, 05:46 PM #1
Inequalities/writing set in interval notation
$(x-1)^2(x+2)^3\geq 0$
So far I've gathered that the critical numbers are x = 1 and x= -2. I graphed them on the number line. I plugged in test values for each of them.
When I do tha... | 4 | [
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Cryptography
Let $C$ be a public circuit, where $C:\left\{0,1{\right\}}^{n}→\left\{0,1\right\}$. Suppose A has $x∈\left\{0,1{\right\}}^{n}$, and B has $y∈\left\{0,1{\right\}}^{n}$, and
the goal is ${F}_{A}=C\left(x,y\right),{F}_{B}=0$.
• A encrypts the circuit $C$ gate by gate starting fro... | 4 | [
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Homework Help
Posted by marissa on Tuesday, April 12, 2011 at 11:09am.
Find a polynomial f(x) with leading coefficient 1 and having the given degree and zeros.
Each polynomial should be expanded from factored form, simplified and written in descending order of exponents on the variable.
For example: (x+5)(x-2) shoul... | 4 | [
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Capacitance and Capacitors
I. Elementary Characteristics
In its most elementary state a capacitor
consists of two metal plates separated by
a certain distance d, in between the plates
lies a dielectric material with dielectric
constant έ = ε[o]ε , where ε[o ] is the dielectric of air.
The dielectric material all... | 4 | [
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Interval for the Variance of a Normally Distributed Population
Confidence Interval for the Variance of a Normally Distributed Population
This file is part of a program based on the Bio 4835 Biostatistics class taught at Kean University in Union, New Jerse... | 5 | [
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Math - Solving Trig Equations
Posted by Anonymous on Wednesday, November 21, 2007 at 8:23pm.
Solve each equation on the interval:
0 is less than and equal to theta is less than and equal to 360
--
2sin2x = 1
--
---
My Answers:
Let y represent 2x
2siny = 1
2siny/2 = 1/2
siny = 1/2
y = sin^-1(1/2)
y = 30
2x... | 4 | [
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