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## Tuesday, November 22, 2016
### An alternative DCJ 2016 solution
During this year's Distributed Code Jam I had an idea for solving the hard part of Toothpick Sculptures, but had no time to implement it, or even to work out all the details. When the official solution was presented, I was surprised that it was very d... | HuggingFaceTB/finemath | |
Browse Scheme
Recent Scheme
# Best Of 8th Grade Math Scale Factorts Refrence Drawings Similar Shapes Andt Fj5 7th
By Claudette Lesperance at November 26 2018 20:52:08
Working in Groups : Group projects are tons of fun for students. It allows them to talk and discuss their answers with peers. If there is a worksheet ... | HuggingFaceTB/finemath | |
So we... Read More, The exponential distribution in probability is the probability distribution that describes the time between events in a Poisson process. Penny . Can you help Dylan calculate the area of a regular hexagon of side 8 inches and apothem $$4\sqrt{3}$$, using the area of polygon formula? The perimeter of ... | HuggingFaceTB/finemath | |
# Measuring Network Centrality
### An Intro To Quantifying “Importance” Through Graph Theory
February 12, 2020
Everything Else Network analysis sounds like a clandestine, cyberpunk job tasked to only top NSA & Mossad modelers. However, this concept of mathematically dissecting “networks” is far from new; in fact, it... | HuggingFaceTB/finemath | |
BrainDen.com - Brain Teasers
• 0
# “THE ROBOTS ENIGMA”
Go to solution Solved by koren,
## Question
“THE ROBOTS ENIGMA” puzzle
The basis of this puzzle is Raymond’s Smullyan “Three gods puzzle” but with smaller amount of base data, making it more difficult – more difficult than “The hardest logic puzzle ever…” As... | HuggingFaceTB/finemath | |
# AM-GM inequality basic
$a, b, c$ are positive real numbers.
Prove that $$8abc\le (a+b)(b+c)(c+a)$$
I haven’t really gotten anywhere, just tried to open up $(a+b)(b+c)(c+a)$ and got null.
#### Solutions Collecting From Web of "AM-GM inequality basic"
It’s really as simple as noting that $a+b\geq 2\sqrt{ab}$, and ... | HuggingFaceTB/finemath | |
• prove that the square root of 2 plus the square root of 3 is not rational? i know the proof 2 = a^2/b^2 i separately proved that square root of 2 and square root of 3 are irrational.
• Proof That The Square Root of 3 is Irrational.
• what is the domain of f(x)= square root of 3-x-----To get a Real Number result that ... | HuggingFaceTB/finemath | |
# Boiling Point Calculator
Boiling point calculator tells you how to calculate the boiling point of most common substances at an arbitrary pressure with the help of Clausius-Clapeyron equation. To get boiling point of a solution as result, we need to select the type of solution, give the details of initial pressure,fi... | HuggingFaceTB/finemath | |
# Quadratic Equation - JEE Main Previous Year Question with Solutions
JEE Main Previous Year Question of Math with Solutions are available at eSaral. Practicing JEE Main Previous Year Papers Questions of mathematics will help the JEE aspirants in realizing the question pattern as well as help in analyzing weak & stron... | HuggingFaceTB/finemath | |
# How do you express sin(pi/ 6 ) * cos( ( 15 pi) / 12 ) without using products of trigonometric functions?
Mar 26, 2016
$- \frac{\sqrt{2}}{4}$
#### Explanation:
$P = \sin \left(\frac{\pi}{6}\right) \cos \left(\frac{15 \pi}{12}\right) .$
Trig table --> $\sin \frac{\pi}{6} = \frac{1}{2}$
$\cos \left(\frac{15 \pi}{12... | HuggingFaceTB/finemath | |
• 0
Guru
# Determine which of the following polynomials has (x + 1) a factor: (i) x3+x2+x+1 Q.1
• 0
Give me the best way for solving the problem of question from class 9th ncert math of exercise 2.4 of Polynomials chapter of math, give me the easiest way for solving this problem Determine which of the following poly... | HuggingFaceTB/finemath | |
## Calculus: Early Transcendentals (2nd Edition)
$= \frac{1}{{2\sqrt 2 }}$
$\begin{gathered} \int_0^{\frac{3}{{\,\pi }}} {\sin \,\,\,\,\left( {2x - \frac{\pi }{4}} \right)\,\,\,dx} \hfill \\ \hfill \\ substituting\,\,\, \hfill \\ \hfill \\ \,\left( {2x - \frac{\pi }{4}} \right) = u \hfill \\ \hfill \\ therefore \hfill... | HuggingFaceTB/finemath | |
#### explain solution RD Sharma class 12 chapter Inverse Trignometric Functions exercise 3.7 question 4 sub question (ii) maths
Answer: $\frac{2\pi }{3}$
Hint: The range of principal value of $\sec ^{-1}$ is $\left [ 0,\pi \right ]-\left [ \frac{\pi }{2} \right ]$
Given: $\sec ^{-1}\left(\sec \frac{2 \pi}{3}\right)... | HuggingFaceTB/finemath | |
Bending Strength of a Beam Word Problems Fun Math Game Tips:
- A '2 by 6' stick of lumber can be more than twice as strong as a '2 by 4' of the same material length,
when the 'depth = 6' is kept vertical and the stick length is horizontal with support at each end.
- Experiments show that the vertical strength... | HuggingFaceTB/finemath | |
# Cumulative frequency
## Archived Content
Information identified as archived is provided for reference, research or recordkeeping purposes. It is not subject to the Government of Canada Web Standards and has not been altered or updated since it was archived. Please contact us to request a format other than those ava... | HuggingFaceTB/finemath | |
# Largest sum contiguous subarray
Given an array of signed integers, find largest sum contiguous subarray. It mean find subarray with maximum sum from given array. Subarray is continuous indices of array with size ranging from 0 to N where N is size of original array. For example, for array [ -1, 3, -5, 4, 6, -1, 2, -... | HuggingFaceTB/finemath | |
# Zorn’s Lemma
The new season of “The Simpsons” is going beyond the call of duty in terms of delivering mathematical references. The episode “Simpsorama” hid five equations inside Bender’s head, and last week’s “Bart’s New Friend” included a reference to Zorn’s lemma.
Pointed out by Ezequiel Genender @egenender – The... | HuggingFaceTB/finemath | |
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It is currently 17 Jan 2020, 09:20
### GMAT Club Daily Prep
#### Thank you for using the timer - this advanced tool can estimate your performance and suggest more practice questions. We have subscribed you to Daily Pr... | HuggingFaceTB/finemath | |
Bastian Heinlein
Posted on
# Solving the Game Show Problem with Python
You might have heard of the famous "Game Show Problem" (it's also known as the "Monty Hall Problem"). If you did, there's a good chance that it confused you. If you didn't know it yet, there's a good chance that it will confuse you. It's a pretty... | HuggingFaceTB/finemath | |
# D,E,F are the mid points of sides AB, BC, CA of ΔABC. Area of ΔDEF is what percent of area of ΔABC ?
1. 20%
2. 25%
3. 50%
4. 40%
Option 2 : 25%
## Detailed Solution
Given-
D,E,F are the mid points of sides AB, BC, CA
Concept Used-
If D,E,F are the mid points of sides AB, BC, CA of ΔABC then DE = 1/2 × BC, EF =... | HuggingFaceTB/finemath | |
# How do you find the discontinuities for y=(4x)/(x^3-9x)?
Jun 17, 2015
Factor the denominator to get:
$y = \frac{4 x}{x \left(x - 3\right) \left(x + 3\right)} = \frac{4}{\left(x - 3\right) \left(x + 3\right)}$
with exclusion $x \ne 0$
This has a removable discontinuity at $x = 0$ and simple poles at $x = \pm 3$
... | HuggingFaceTB/finemath | |
Courses
# The Continuous - Time Fourier Series And The Discrete -Time Fourier Transform - MCQ Test
## 15 Questions MCQ Test Mock Tests Electronics & Communication Engineering GATE 2020 | The Continuous - Time Fourier Series And The Discrete -Time Fourier Transform - MCQ Test
Description
This mock test of The Continu... | HuggingFaceTB/finemath | |
# Conduct a Lesson Study Cycle on Fractions
Lesson Study works best with rich subject content. This course offers step-by-step support to conduct a Lesson Study cycle on fractions, by providing fractions resources and research to examine.
15-20 hours
##### MATERIALS:
Part 3 | Examine Curriculum: Introduction to Fra... | HuggingFaceTB/finemath | |
# Column-sum and row-sum for fat matrices
For an $$m \times n$$ fat matrix ($$m)
$$A = \begin{pmatrix} a_{11} & a_{12} & a_{13} & \cdots & a_{1n}\\ a_{21} & a_{22} & \ddots & \cdots & a_{2n} \\ a_{31} & \cdots & \ddots& \ddots & \vdots \\ \vdots & \cdots & \cdots & \ddots & \vdots \\ a_{m1} & \cdots & \cdots & \cdots... | HuggingFaceTB/finemath | |
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.
Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
A106524 Interleave A038573(n+1) and 2*A038573(n+1). 1
1, 2, 1, 2, 3, 6, 1, 2, 3, 6, 3, 6, 7, 14, 1, 2, 3, 6, 3, 6, 7, 14, 3, 6, 7, 14,... | HuggingFaceTB/finemath | |
# How To Solve Quadratic Formula Problems
So we're really solving the equation 0 is equal to negative 16t squared plus 20t plus 50. Or if you're comfortable with this on the left hand side, we can put on the left hand side. And so a time, at least in this problem that we're dealing with, we should only think about pos... | HuggingFaceTB/finemath | |
Application Center - Maplesoft
# Classroom Tips and Techniques: Stepwise Solutions in Maple - Part 2 - Linear Algebra
You can switch back to the summary page by clicking here.
Classroom Tips and Techniques: Stepwise Solutions in Maple - Part 2 - Linear Algebra
Robert J. Lopez
Emeritus Professor of Mathematics and Ma... | HuggingFaceTB/finemath | |
1. ## trigonometric equation
4-6 Solve the equation for θ (0 ≤θ < 2π) . Be careful. There may be several
4. 2sin^2(θ) =1 5. tan^2(θ) − tan(θ) = 0 7. cos^2(θ) + sin(θ) =1
is the first and second ones just in the 45 degree family?
2. Originally Posted by CalcGeek31
4-6 Solve the equation for θ (0 ≤θ < 2π) . Be careful... | HuggingFaceTB/finemath | |
23. Complex Numbers Problems Part 4
1. If $$O$$ be the center of the circle circumscribing the equilateral $$\triangle ABC$$ and its radius be unity and $$A$$ lies on the $$x$$-axis. Find the complex numbers represented by $$B$$ and $$C.$$
2. $$ABCD$$ is a rhombus. Its diagonals $$AC$$ and $$BD$$ intersect at a poin... | HuggingFaceTB/finemath | |
Third Order Convergence for Square Roots Using Newton's Method
08-27-2019, 06:32 PM (This post was last modified: 08-28-2019 01:41 AM by Namir.)
Post: #1 Namir Senior Member Posts: 813 Joined: Dec 2013
Third Order Convergence for Square Roots Using Newton's Method
Hi All,
Most of us are familiar with the second order ... | HuggingFaceTB/finemath | |
Also, there is a strong relationship between exponential distribution and the Poisson distribution. Insert this widget code anywhere inside the body tag. The probability that a repair time exceeds 4 hours is, \begin{aligned} P(X> 4) &= 1- P(X\leq 4)\\ & = 1- F(4)\\ & = 1- \big[1- e^{-4/2}\big]\\ &= e^{-2}\\ & = 0.1353 ... | HuggingFaceTB/finemath | |
What changes the structural rate of output/unemployment?
To me the structural rate of unemployment was defined by $$\frac{1}{1+m} = F(u_n,z)$$ where $m$ is the markup and $z$ a catch-all variable. We could equivalenty get this in terms of $Y_n$ by letting $u_n = 1 - \frac{Y_n}{L}$, $L$ being the labor force.
Let $L$ ... | HuggingFaceTB/finemath | |
you are viewing a single comment's thread.
[–] -1 points0 points
sorry, this has been archived and can no longer be voted on
Cue terrible math. You gotta pay attention when they're teaching you trig.
[–] 1 point2 points
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The ratios still work out if they ... | HuggingFaceTB/finemath | |
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# Bridge to Abstract Mathematics
Ralph W. Oberste-Vorth, Aristides Mouzakitis, and Bonita A. Lawrence
• Some Notes on Notation
• To the Students
• To Those Beginning the Journey into Proof Writing
• How to Use This Text
• Do the Exercises!
• Acknowledgments
• For the Professors
• To Those Lea... | HuggingFaceTB/finemath | |
Topics
# Solve the Absolute Value Inequality for v -3|1-2/3v|=-9
Divide each term in by and simplify.
Click for detailed explanation...
Divide each term in by .
Simplify the left side.
Click for detailed explanation...
Cancel the common factor of .
Click for detailed explanation...
Cancel the common factor.
Divide by... | HuggingFaceTB/finemath | |
GMAT Question of the Day - Daily to your Mailbox; hard ones only
It is currently 22 Oct 2019, 03:11 GMAT Club Daily Prep
Thank you for using the timer - this advanced tool can estimate your performance and suggest more practice questions. We have subscribed you to Daily Prep Questions via email.
Customized
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# Functions Question
• Jan 21st 2010, 06:04 AM
juliak
Functions Question
The figures above show the graphs of the functions around f and g. The function f is defined by
f(x)=2x^3+5x^2-x
The function g is defined by
g(x)=f(x-h)-k, where h and k are constants.
What is the value of hk?
I don't know how to get the gr... | HuggingFaceTB/finemath | |
# Problem 4.5
## Chip testing
Professor Diogenes has $n$ supposedly identical integrated-circuit chips that in principle are capable of testing each other. The professor's test jig accomodates two chips at a time. When the jig is loaded, each chip tests the other and reports whether it is good or bad. A good chip alw... | HuggingFaceTB/finemath | |
Uploaded by Ayesha Haroon
# WORKSHEET 5
advertisement
```COURSE: FOUNDATION MATHEMATICS
WORKSHEET# 4
Q1-The amount of time (minutes) it takes a group of students to travel to college on a
Particular day is recorded in the table below:
Time
(minutes)
Frequency
0 < 20
20 < 40
40 < 60
60 < 80
80 < 100
19
... | HuggingFaceTB/finemath | |
# Solved Examples on Conversion of Flip-Flops
Here, we are going to discuss some examples based on the concept, we have studied in our last article named conversion of flip-flops.
Submitted by Saurabh Gupta, on February 03, 2021
Prerequisite: Conversion of flip-flops
## Example 1: Conversion of SR flip-flop to D fli... | HuggingFaceTB/finemath | |
December 10, 2022, 03:44:40 AM
Forum Rules: Read This Before Posting
### Topic: Pressure & Temperature at a constant volume (Read 3433 times)
0 Members and 1 Guest are viewing this topic.
#### whippedswalbr
• New Member
• Posts: 3
• Mole Snacks: +0/-0
##### Pressure & Temperature at a constant volume
« on: March 2... | HuggingFaceTB/finemath | |
## SUPPOSITION CONCEPT
###### DIRECT SUPPOSITION
The Supposition concept can be a challenging one for students. At Model Math, we first introduce this idea in Primary 2 and gradually build upon it through repetition and more complex problems. This video example demonstrates the basics of the Supposition concept.
#####... | HuggingFaceTB/finemath | |
# Pre-Calculus (SCCCR) Practice
« Back to South Carolina High School
Discover the most effective and comprehensive online solution for curriculum mastery, high-stakes testing, and assessment in . Our Pre-Calculus (SCCCR) curriculum and test review is aligned to the most current standards.
See Pricing Get a Quote
• Q... | HuggingFaceTB/finemath | |
# Zeros of Polynomials
In Exercises 1-6, use direct substitution
to show that the given value is a
zero
of the given polynomial.
1. p(x) = x3 − 3x2 − 13x + 15, x = −3
2. p(x) = x3 − 2x2 − 13x − 10, x = −2
3. p(x) = x4 − x3 − 12x2, x = 4
4. p(x) = x4 − 2x3 − 3x2, x = −1
5. p(x) = x4 + x2 − 20, x = −2
6. p(x) = x4 + x3... | HuggingFaceTB/finemath | |
## DS questions (OG 12).
##### This topic has expert replies
Senior | Next Rank: 100 Posts
Posts: 54
Joined: 02 Feb 2010
Thanked: 2 times
### DS questions (OG 12).
by gdk800 » Fri Nov 26, 2010 12:57 am
Q1. What is the median number of employees assigned per project for the projects at Company Z ?
(1) 25 percent of t... | HuggingFaceTB/finemath | |
Learn US
# Trigonometric Identities Part II
676 views
## Trigonometric Identities Part II - PDF
If you ever want to read it again as many times as you want, here is a downloadable PDF to explore more.
3. Sum and Difference Formulas 4. Double Angle Formula 5. Half Angle Formula 7. Summary 8. Frequently Asked Quest... | HuggingFaceTB/finemath | |
Question
Updated on:30/05/2023
# At resonance in series R-L-C circuit
Text Solution
A
VR+VL+VC=0
B
VR+VL=0
C
VR+VC=0
D
VL+VC=0
Transcript
at resonance in series RLC circuit since this is a series RLC circuit at resonance is series resonance and the resonance of a series RLC circuit occurs when the Inductive and c... | HuggingFaceTB/finemath | |
# Smallest Word
Based on codeforces 1043C
### Problem Statement
Given a string S. Consider the prefixes in the fixed order: from the shortest to the largest. You want to get the lexicographically smallest possible word after you considers all prefixes.
At each prefix you can either reverse the current prefix or lea... | HuggingFaceTB/finemath | |
# Prove that p is the smallest prime that divides (p-1)!+1
By Wilson's Theorem, we know that p divides (p-1)!+1.
Assume there exists another prime d divides (p-1)!+1 and $d<p$.
Then $(p-1)!\equiv-1\mod(d)$.
I am not sure if I am right in the following statement:
Thus, d is not a factor of (p-1)!, which means d is ... | HuggingFaceTB/finemath | |
# Difference between DFT and Z-Transform
I have searched this question but couldn't find the answer in this network. I know this is very confusing question for DSP beginners. Both DFT and Z-transform work for Discrete signal. I have read that "Z-transform is the general case of DFT, when we consider unit circle then, ... | HuggingFaceTB/finemath | |
# Evaluate `int sin^6xcos^5xdx` .
lemjay | Certified Educator
`int sin^6xcos^5x dx`
Re-write the integrand in such a way that the power of the cosine function result to 1.
`=int sin^6x cosx cos^2x cos^2x dx`
From the Pythagorean identity `sin^2x + cos^2x=1` , replace `cos^2x` with `1-sin^2x` .
`= int sin^6x cosx... | HuggingFaceTB/finemath | |
## Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)
RECALL: (1) The slope $m$ of a line can be found using the formula $m=\dfrac{y_2-y_1}{x_2-x_1}$ where $(x_1, y_1)$ and $(x_2, y_2)$ are points on the line. (2) The point-slope form of a line's equation is given by $y-y_1=m(x-x_1)$ where $m$=... | HuggingFaceTB/finemath | |
This site is supported by donations to The OEIS Foundation.
Annual appeal: Please make a donation to keep the OEIS running! Over 6000 articles have referenced us, often saying "we discovered this result with the help of the OEIS". Other ways to donate
Hints (Greetings from The On-Line Encyclopedia of Integer Sequen... | HuggingFaceTB/finemath | |
# Convert the following coordinates between rectangular and polar form(4,-pi/4)
Convert the following coordinates between rectangular and polar form
$$\displaystyle{\left({4},-\frac{\pi}{{4}}\right)}$$
• Live experts 24/7
• Questions are typically answered in as fast as 30 minutes
• Personalized clear answers
### So... | HuggingFaceTB/finemath | |
# Beautifull Array getting TLE can any one help?
Obviously, you are getting TLE, because the complexity of your code is n^2.
Try to think a bit more tactfully. Look at this case:
2 4
Ask this question to yourself, can you ever make a beautiful array here?
2*4, you need 8 -> 2 4 8
now you need 16 and 32 -> 2 4 8 16... | HuggingFaceTB/finemath | |
Check GMAT Club Decision Tracker for the Latest School Decision Releases https://gmatclub.com/AppTrack
It is currently 26 May 2017, 14:02
### GMAT Club Daily Prep
#### Thank you for using the timer - this advanced tool can estimate your performance and suggest more practice questions. We have subscribed you to Dail... | HuggingFaceTB/finemath | |
# What is 2 percent of 50000 - step by step solution
## Simple and best practice solution for 2% of 50000. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.
If it's not what You are looking for type in the cal... | HuggingFaceTB/finemath | |
# Polynomial Rings - Gauss's Lemma
#### Peter
##### Well-known member
MHB Site Helper
I am trying to understand the proof of Gauss's Lemma as given in Dummit and Foote Section 9.3 pages 303-304 (see attached)
On page 304, part way through the proof, D&F write:
"Assume d is not a unit (in R) and write d as a product... | HuggingFaceTB/finemath | |
Discover a lot of information on the number 103: properties, mathematical operations, how to write it, symbolism, numerology, representations and many other interesting things!
## Mathematical properties of 103
Is 103 a prime number? Yes
Is 103 a perfect number? No
Number of divisors 2
List of dividers 1, 103
Sum of ... | HuggingFaceTB/finemath | |
# Compound interest
#### daigo
##### Member
A deposit of 25 is made at the beginning of the 1st month, and successive monthly deposits after that is $25 more than the previous month (2nd month is a$50 deposit, 3rd month is a $75, etc.). At the beginning of the next year (after 12 months), the deposit cycle is reset b... | HuggingFaceTB/finemath | |
# Algebra 1
posted by on .
Question:
The height in feet above the ground of an arrow t seconds after it is shot can be modeled by y = -16t(squared) + 63t + 4. Can the arrow pass over a tree that is 68 feet tall? Explain.
Completely lost, could anyone help me out?
• Algebra 1 - ,
y = height = -16t^2 + 63t + 4
The v... | HuggingFaceTB/finemath | |
# How to Make Deductions on LSAT Logic Games
When we hear the words “deductive reasoning” and “logic”, the LSAT immediately comes to mind. Five major types of deductions for the LSAT Logic Games make up the BLEND method for deductions.
#### Blocs of Entities
When one or more entities in an LSAT Logic Game work toget... | HuggingFaceTB/finemath | |
## Big Ideas Math - Algebra 1, A Common Core Curriculum
The solution is $j=1$.
The given equation is $\Rightarrow \sqrt[3]{7j-2}=\sqrt[3]{j+4}$ Cube each side of the equation. $\Rightarrow (\sqrt[3]{7j-2})^3=(\sqrt[3]{j+4})^3$ Simplify. $\Rightarrow 7j-2=j+4$ Add $2-j$ to each side. $\Rightarrow 7j-2+2-j=j+4+2-j$ Simp... | HuggingFaceTB/finemath | |
Lesson Objectives
• Learn how to solve SSA triangles using the law of sines
• Learn how to work with the law of sines when there is no solution
• Learn how to work with the law of sines when there is one solution
• Learn how to work with the law of sines when there are two solutions
## How to Solve SSA Triangles Using... | HuggingFaceTB/finemath | |
# Math
1)Which statement is an example of the Identity Property of Multiplication?
a)8 • 0 = 0
b)8 • 1 = 8<<<<
c)8 • –1 = –8
d)–8 • –1 = 8
2)Whats another way to write -3*(4+7)?
a)-3*4+7<<<<<
b)-3*4*7
c)-3*4+4*7
d)-3*4+(-3)*7
3) Which property is represented by 5 + (–8) = –8 + 5?
a)Identity
b)Associative
c)Commutati... | HuggingFaceTB/finemath | |
# Elasticity(statics) unit 5
```Chapter 13 - Elasticity
A PowerPoint Presentation by
Paul E. Tippens, Professor of Physics
Southern Polytechnic State University
©
2007
Chapter 13. Elasticity
Photo © Vol. 10
PhotoDisk/Getty
BUNGEE jumping
utilizes a long elastic
strap which stretches
until it reaches a
maximu... | HuggingFaceTB/finemath | |
What type of cost is analyzed using the high low method?
What type of cost is analyzed using the high low method?
In any business, there is 3 types of cost: Fixed Cost, Variable Cost and Mixed Cost (mix of fixed and variable). So, in a very simple language, the high low method is a method which is used to separate fi... | HuggingFaceTB/finemath | |
What are the zero(s) of: x^2 = 6x + 6 = 0?
Nov 9, 2015
$3 + \sqrt{15} , 3 - \sqrt{15}$
Explanation:
We can use the quadratic formula to find the zeros. We are given:
${x}^{2} = 6 x + 6$
We can arrange this into a quadratic equation:
${x}^{2} - 6 x - 6 = 0$
$x = \frac{- b \left(\frac{+}{-}\right) \sqrt{{b}^{2} -... | HuggingFaceTB/finemath | |
Circles, Cylinders and Circular Shapes
Circles, cylinders and circular shapes follows on from area of 2D shapes and surface area of 3D cuboids and prisms which students study in Term 2 of Year 8.
In this unit students learn how to calculate the circumference and area of circles both as decimals and in terms of π. Le... | HuggingFaceTB/finemath | |
# math
posted by Help
the yearbook club is having a bake sale to raise money for the senior class. LArge cupcakes are sold for 1.25 and small cupcakes are .75. If 105 cupcakes were sold for a total amount of 109.75, how many large cupcakes did the yearbook club sell?
1. Help
help please... im so stuck.. i need help... | HuggingFaceTB/finemath | |
SAT香港考试团启航梦想
# SAT物理练习：Newton’s Laws
2013-04-22 00:00 供稿单位: 互联网
今天新航道SAT频道小编为大家整理了SAT物理练习：Newton’s Laws，供大家参考，以下是详细内容。
Isaac Newton first published his three laws of motion in 1687 in his monumental Mathematical Principles of Natural Philosophy. In these three simple laws, Newton sums up everything there is to... | HuggingFaceTB/finemath | |
Home > CCA2 > Chapter Ch12 > Lesson 12.1.1 > Problem12-12
12-12.
If you remember what n! means, you can do some messy calculations quickly or compute problems that are too large for your calculator’s memory. For instance, if you wanted to calculate $\frac { 9 ! } { 6 ! }$, you could use the $n!$ button on your calcul... | HuggingFaceTB/finemath | |
You are on page 1of 26
Elasticity and Its
Application
Chapter 5
Elasticity . . .
is a measure of how much buyers and
sellers respond to changes in market
conditions
allows us to analyze supply and
demand with greater precision.
Journal Question-Name 3 necessities and
3 luxuries that you would buy.
Price elasticity ... | HuggingFaceTB/finemath | |
Multiplication by 11 using Speed Mathematics
In this chapter you are going to see how you can easily multiply any number with 11 .The principles in these tutorials are taken from various systems like Indian Vedic Mathematics and the German Trachtenberg System.
Example 1
Question : Calculate 12 * 11
Solution
Step 1... | HuggingFaceTB/finemath | |
## Thursday, April 28, 2011
### Reverse a linked list using only 2 pointers
Reverse a linked list using only 2 pointers.
This question has created quite an interest in many students and has been asked many times.
So i thought i give a discussion on the underlying techniques to do it.
Some preliminary requirements
... | HuggingFaceTB/finemath | |
Saltar al contenido principal
2.3. Curvas definidas implícitamente en el espacio
$$\newcommand{\vectorA}[1]{\vec{#1}} % arrow$$
$$\newcommand{\vector}[1]{\vec{\mathbf{#1}}}$$
$$\newcommand{\Disco}{\Bbb D}$$
$$\newcommand{\C}{\Bbb C}$$
$$\newcommand{\Q}{\Bbb Q}$$
$$\newcommand{\R}{\Bbb R}$$
$$\newcommand{\K}{\Bb... | HuggingFaceTB/finemath | |
# Non parametric and F test!!!
• Oct 17th 2008, 12:15 AM
Col carter
Non parametric and F test!!!
morning mathematicians, i have this question i have a answer but i`m not sure that my method is completly correct!! if anyone could have a quick check i`ll be happy.
The question is as follows---
18 of the subjects are se... | HuggingFaceTB/finemath | |
When using a calculator many people have ‘blind faith’ in its capacity to provide the correct result.
Calculators invariably provide the co
Author(s): The Open University
Cast your mind back to why proportions and percentages were introduced in Section 2. It was because using actual price changes is unsatisfactory ... | HuggingFaceTB/finemath | |
Question about Mathsoft StudyWorks! Middle School Deluxe Math 5.0 (11543) for PC
# A hypoteneus of a isoseles right triangle is10cm .find its area
Posted by on
### Roy Limpawuchara
• Level 3:
An expert who has achieved level 3 by getting 1000 points
All-Star:
An expert that got 10 achievements.
MVP:
An expert ... | HuggingFaceTB/finemath | |
Class 9
MATHS
Number Systems
# If sqrt(2) = 1.414, sqrt(3) = 1.732, sqrt(5) = 2.236 and sqrt(6) = 2.449, find the value of (2+sqrt(3))/(2-sqrt(3)) +(2-sqrt(3))/(2+sqrt(3)) +(sqrt(3) -1)/(sqrt(3) +1)
Step by step solution by experts to help you in doubt clearance & scoring excellent marks in exams.
Updated On: 12-2-2... | HuggingFaceTB/finemath | |
x
## Standard Form for Linear Equations
Standard Form of an Equation. The Standard Form of an equation is: (some expression) = 0. In other words, = 0 is on the right, and everything else is on the left.
• 1
Have more time on your hobbies
You can have more time for your hobbies by scheduling them into your week.
•... | HuggingFaceTB/finemath | |
Question Video: Finding the Maximum Area of a Region Composed of a Rectangle Ending in Two Semicircles Given the Perimeter of the Region Using Differentiation | Nagwa Question Video: Finding the Maximum Area of a Region Composed of a Rectangle Ending in Two Semicircles Given the Perimeter of the Region Using Differenti... | HuggingFaceTB/finemath | |
I - Maple Programming Help
I
root of x^2 = -1
Description
• Maple uses I to represent one of the square roots of -1, with -I representing the other, for computations over the complex numbers.
• Arithmetic expressions involving I and other numeric constants are automatically evaluated.
• The evalc function can b... | HuggingFaceTB/finemath | |
# math
posted by .
if 1inch=75 miles then how many miles dose 2.7 inches=
• math -
Use a proportion!
1 2.7
--- = ---
75 x
• math -
That came out weird...
Let's try again:
1~~~~~2.7
--- = ---
75~~~~~x
It's that ignoring the "~"s
• math -
Use this!
1~~2.7
--- = ---
75~~x
## Similar Questions
Avondale and Ne... | HuggingFaceTB/finemath | |
# How do you do simplify sin^-1(sqrt2/2)?
Apr 11, 2016
${\sin}^{- 1} \left(\frac{\sqrt{2}}{2}\right) = \frac{\pi}{4}$
#### Explanation:
${\sin}^{- 1} a$ means an angle whose sine is $a$.
Now $\frac{\sqrt{2}}{2} = \frac{\sqrt{2}}{\sqrt{2} \times \sqrt{2}} = \frac{1}{\sqrt{2}}$
and we know $\sin \left(\frac{\pi}{4}... | HuggingFaceTB/finemath | |
# Proving that the Union of Two Compact Sets is Compact
Prove if $S_1,S_2$ are compact, then their union $S_1\cup S_2$ is compact as well.
The attempt at a proof:
Since $S_1$ and $S_2$ are compact, every open cover contains a finite subcover. Let the open cover of $S_1$ and $S_2$ be $\mathscr{F}_1$ and $\mathscr{F}_... | open-web-math/open-web-math | |
# Which Equation Represents The Formula For The General Term An Of An Arithmetic Sequence? (Question)
Finding the nth Term of an Arithmetic Sequence Given an arithmetic sequence with the first term a1 and the common difference d, the nth (or general) term is given by an=a1+(n−1)d. Example 1: Find the 27th term of the ... | HuggingFaceTB/finemath | |
0.5 Phy1020: brief trigonometry tutorial (Page 2/20)
Page 2 / 20
Listings
• Listing 1 . Conversions between radians and degrees.
• Listing 2 . Arcsin of 3-4-5 triangle.
• Listing 3 . Finding length of the opposite side.
• Listing 4 . Arccosine of 3-4-5 triangle.
• Listing 5 . Finding the length of the adjacent sid... | HuggingFaceTB/finemath | |
# co interior angles are always
## co interior angles are always
straight angle. Relation Between the Angles when Line m is Parallel to Line n Click hereto get an answer to your question ️ Prove that the base angles of an isosceles trapezium are equal If two parallel lines are cut by a transversal then the alterate i... | open-web-math/open-web-math | |
# Volume And Surface Area Of Cylinder Worksheet
Volume And Surface Area Of Cylinder Worksheet - Web surface area and volume of a cylinder. V cone = 1 3 π r 2 h. Volume and surface area of cylinder worksheets. V cylinder = π r 2 h. Web in order to calculate the total surface area of a cylinder we need to find the area ... | HuggingFaceTB/finemath | |
Bayes and the Taxi Problem.
To help explain how Bayes’ Theorem can be applied in practice, let’s start with the classic Bayesian Taxi Problem. It goes like this. New Amsterdam has 1,000 taxis. 850 are yellow, 150 are green. One of these taxis knocks down a pedestrian and then is driven away without stopping. We have n... | HuggingFaceTB/finemath | |
# Count all possible N digit numbers that satisfy the given condition
Given an integer N, the task is to count all possible N digit numbers such that A + reverse(A) = 10N – 1 where A is an N digit number and reverse(A) is reverse of A. A shouldn’t have any leading 0s.
Examples:
Input: N = 2
Output: 9
All possible 2 ... | HuggingFaceTB/finemath | |
# Counting the number of elements in matlab
I am new to MATLAB. Suppose I have a vector like x = [1 1 1 1 1 1 0 0 1 0]. I want to calculate the total number of elements in the vector and the number of non zero elements in the vector. Then come up with a ratio of both the numbers. I am searching in MATLAB help. how to ... | HuggingFaceTB/finemath | |
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It is currently 21 Feb 2019, 16:10
### GMAT Club Daily Prep
#### Thank you for using the timer - this advanced tool can estimate your performance and suggest more practice questions. We have subscribed you to Daily Prep Questions via email.
Customize... | HuggingFaceTB/finemath | |
# What is the inverse cycle of permutation?
Given cyclic permutations, for example,
$$σ = (123)$$, $$σ_{2} = (45)$$,
what are the inverse cycles $$σ^{-1}$$, $$σ_2^{-1}$$?
Regards.
• To find the inverse of a permutation just write it backwards. If $\tau = (1243)(67)$ then $\tau^{-1}=(76)(3421)$ [which can then be r... | HuggingFaceTB/finemath | |
50 in Words deserve to be composed as Fifty. If you have saved 50 dollars, climate you deserve to write, “I have actually just conserved Fifty dollars.” Fifty is the cardinal number native of 50 i m sorry denotes a quantity.
You are watching: How to spell 50 in words
50 in Words = FiftyFifty in Numbers = 50 Let unite... | HuggingFaceTB/finemath | |
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# 99% Confidence Interval Calculator
What is a confidence interval?How do I find a 99% confidence interval?How to use 99% confidence interval calculatorConfidence interval toolsFAQs
If you've got a data set and want to perform statistical calculations on it, our 99% confidence interval calculator is a ... | HuggingFaceTB/finemath | |
# Category Archives: Engineering assignment examples
Check out engineering assignment examples published on our blog. Find out how to solve different tasks and complete similar projects yourself.
## Shear Stress Analysis Example for College Students
A 400 kg mass is supported by a frictionless pulley with a radius o... | HuggingFaceTB/finemath | |
# Adult Numeracy, Functional Maths, and GCSE Resources
Displaying 1 - 7 of 7 resources:
## Imperial and Metric Measures Excel quiz sheets
Whilst I designed this resource for Adult Numeracy learners, it has found much use over the years across the maths cohorts I've worked with from pre-GCSE to ESOL, and with GCSE le... | HuggingFaceTB/finemath | |
# Reducing Logic Using Truth Table
1771
Disclaimer: This is a more advanced tutorial that builds on skills learned in projects 1-3. If this does not make sense at first glance, don’t be afraid! You are more than capable of designing circuits for complex problems like these. Spend some time reading over each step in d... | HuggingFaceTB/finemath |
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