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News
# 10 of the Best Fractions Resources for Secondary Maths
Whether it's adding and subtracting, arranging in size order or finding equivalents, help your KS3 and 4 students master fractions with these excellent resources
### 1 | Embed Adding and Subtracting Fractions into a Richer Problem to get the Technique to ... | HuggingFaceTB/finemath | |
## database: in DHIS2, what is the largest number of data elements that a numerator can contain to form an indicator?
We recently updated the family planning dataset to collect data on 6 different age groups based on clients' preferred methods across all family planning acceptors (both new and ongoing). So when calcul... | open-web-math/open-web-math | |
$18,227 in 1966 is worth$78,927.41 in 1992
$18,227 in 1966 has the same purchasing power as$78,927.41 in 1992. Over the 26 years this is a change of $60,700.41. The average inflation rate of the dollar between 1966 and 1992 was 5.73% per year. The cumulative price increase of the dollar over this time was 333.02%. The... | HuggingFaceTB/finemath | |
# Math Vocab Words- Chapter 8
## 33 terms
### angle
figure formed by two rays with a common endpoint
### vertex
common endpoint of two rays
### acute angle
angle measure of less than 90 degrees
### right angle
the 90 degree angle between two perpendicular lines
### obtuse angle
An angle that measures more th... | HuggingFaceTB/finemath | |
# How Many Hearts Beat in Sync With Yours?
The idea of two hearts beating in unison has long been a powerful image in poetry, music, and romance. Let us see what the realm of mathematics has to say about this idea. The question we will answer is a natural one, but one which will require careful analysis:
On average, ... | open-web-math/open-web-math | |
### Theory:
Basic properties of Exponents.
$\begin{array}{l}{a}^{n}\cdot {a}^{m}={a}^{n+m};\\ \\ {a}^{n}:{a}^{m}={a}^{n-m},\phantom{\rule{0.147em}{0ex}}n>m,\phantom{\rule{0.147em}{0ex}}a\ne 0;\\ \\ {\left({a}^{n}\right)}^{m}={a}^{n\cdot m}\end{array}$
Where n and $$m$$ are integers.
In practice, several properties are... | HuggingFaceTB/finemath | |
Related Articles
Rotations of a Binary String with Odd Value
• Last Updated : 11 May, 2021
Given a binary string. We are allowed to do circular rotation of the string without changing the relative order of the bits in the string.
For Example, all possible circular rotation of string “011001” are:
```101100
010110
001... | HuggingFaceTB/finemath | |
ahh
Te Arapiki Ako
"Towards better teaching & learning"
# Understanding volume Add to your favourites Remove from your favourites Add a note on this item Recommend to a friend Comment on this item Send to printer Request a reminder of this item Cancel a reminder of this item
Last updated 26 October 2012 15:28 by NZTec... | HuggingFaceTB/finemath | |
# Addition and Subtraction of Integers
Mathematics is a subject that deals with numbers. An arithmetic operation is an elementary branch of mathematics. Arithmetical operations include addition, subtraction, multiplication and division. It helps us to find the sum (total) or difference (how more or less) of something.... | HuggingFaceTB/finemath | |
Followers 0
## 7 posts in this topic
Posted · Report post
This is an easy one. A 2x4 is cut into three pieces,
The first piece is 3 inches longer then the third piece.
The seconded piece is 2 inches shorter than the third piece.
The three pieces together measure 1 inch over one yard.
How long is each piece?
0
... | HuggingFaceTB/finemath | |
Video: Understanding the Medians of a Triangle
In β³πππ, where π΄ is the midpoint of line ππ, what name is given to line π΄π? [A] base [B] height [C] hypotenuse [D] median
03:54
Video Transcript
In triangle πππ, where π΄ is the midpoint of line ππ, what is the name given to t... | HuggingFaceTB/finemath | |
amo
6
# A school debate team has 4 girls and 6 boys. A total of 3 of the team members will be chosen to participate in the district debate. What is the probability that 1 girl and 2 boys will be selected? A. 1/4 B. 1/2 C. 3/4 D. 3/10
The probability that 1 girl and 2 boys will be selected is given by: $P(1\ boy,\ 2\ ... | HuggingFaceTB/finemath | |
# Is it possible for rigid objects to slip before friction is saturated everywhere?
A common technique in statics problems is to assume that static friction is saturated everywhere. Consider, for example, the following problem:
A thin, uniform bar of mass $$m$$ lies on a uniform floor, with coefficient of static fric... | HuggingFaceTB/finemath | |
Significant figures practice worksheet
Comments Off on Significant figures practice worksheet
You may select the numbers to be whole, these Significant Figures Worksheets are great for testing students in their ability on identifying and working with significant figures practice worksheet digits. The “Significant Fig... | HuggingFaceTB/finemath | |
Email us to get an instant 20% discount on highly effective K-12 Math & English kwizNET Programs!
#### Online Quiz (WorksheetABCD)
Questions Per Quiz = 2 4 6 8 10
### Grade 7 - Mathematics4.49 Special Products and Expansions - Formulas
Formulas:
(a+b)2 = (a+b)(a+b) =a2+2ab+b2
(a-b)2 = (a-b)(a-b) =a2-2ab+b2
(a+b)3 =... | HuggingFaceTB/finemath | |
# Discrete Mathematics Propositional Logic - Discrete Mathematics
## What is Propositional Logic in Discrete Mathematics?
Theoretical base for many areas of mathematics and computer science is provided by logical reasoning. Some of the areas such as artificial intelligence, programming languages etc.
By propositiona... | HuggingFaceTB/finemath | |
### Mental Math - Tails of 5 Multiplication Method
Problem: Calculate the value of the expression
45 x 65
Method: We can use the Tails of 5 method to help solve this problem.
The tail of a number is defined to be the last digit of the number. The head of the number is defined to be all of the digits except last dig... | HuggingFaceTB/finemath | |
## Friday, March 16, 2018
### 103-Compound interest calculating tool
Now we will see the problem of compound interest.
Formula:
A = Total amount, P = principal or amount of money deposited or borrowed, r = annual interest rate (in decimal form), n = number of times compounded per year, t = time in years.
Example 1: ... | HuggingFaceTB/finemath | |
# Algebraic Equation Manipulation for Electric Circuits
## Mathematics for Electronics
• #### Question 1
The electrical resistance of a conductor at any temperature may be calculated by the following equation:
$$R_T = R_r + R_raT - R_raT_r$$
Where,
RT = Resistance of conductor at temperature T
Rr = Resistance of... | HuggingFaceTB/finemath | |
# The distribution function
The distribution function of a random variable $$X$$ is a function that assigns, for every point, the probability accumulated up to the above mentioned value. That is:
$$F(X)=p(X \leq x)$$\$
For example, we will compute the distribution function of the random variable $$X$$, resulting fro... | HuggingFaceTB/finemath | |
## 10.6 Determining Which Cost Variances to Investigate
### Learning Objective
1. Determine which variances to investigate.
Question: Companies rarely investigate all variances because there is a cost associated with identifying the causes of variances. This cost involves employees who spend time talking with person... | HuggingFaceTB/finemath | |
Question
# $1$ millennium is equal to how many years?
Open in App
Solution
## Representation of millennium in years.$1$ millennium is equal to one thousand years, i.e. $\begin{array}{rcl}1\mathrm{millennium}& =& 1000\mathrm{years}\\ \mathrm{and}1\mathrm{centuy}& =& 100\mathrm{years}\end{array}$Hence,$1\mathrm{millen... | HuggingFaceTB/finemath | |
# Join all circles together only with 6 lines
In the below image, can you draw 6 straight lines that pass all the circles?
As soon as you start drawing lines you can't take your pen up until you draw all six lines.
hint: you don't have to keep the polyline inside the square.
Edit: Best answer is the one in which stra... | HuggingFaceTB/finemath | |
1. ## probability
Bag A contains 5 similar balls, 3 red and 2 black and bag B has 4 red and 5 black balls. a ball is drawn form A and places in B and then a ball is drawn from B and places in A. what is the chance that if a ball is now drawn form A, it will be red? and if this ball is red, what is the probability that... | HuggingFaceTB/finemath | |
### 10th Putnam 1950
Problem A5
Let N be the set of natural numbers {1, 2, 3, ... }. Let Z be the integers. Define d : N → Z by d(1) = 0, d(p) = 1 for p prime, and d(mn) = m d(n) + n d(m) for any integers m, n. Determine d(n) in terms of the prime factors of n. Find all n such that d(n) = n. Define d1(m) = d(m) and d... | HuggingFaceTB/finemath | |
# Solve Archimedes Problem: Find Crown's Density
• Dipra Irham
In summary, the conversation discusses a physics problem about the density of a gold crown and the confusion surrounding the use of weight and mass. The solution involves calculating the volume and density of the crown and using the weight of the crown in ... | HuggingFaceTB/finemath | |
# 91% of 38000
What is 91 percent of 38000? What is 38000 plus 91% and 38000 minus 91%?
91% of 38000 = 34580 38000 + 91% = 72580 38000 − 91% = 3420
Calculate online:
% of
Percent formula to figure out percentages:
38000 ⋅ 91 ÷ 100 = 34580.
So, we got a discount percentage of 34580. If the price was 38000 and a ... | HuggingFaceTB/finemath | |
# Find the area of a parallelogram with sides of 6 and 12 and an angle of 60°
106,286 results
maths
A parallelogram has two adjacent sides of length 4cm and 6cm reapectively. If the included angle measures 52 degrees, find the area of the parallelogram.
geometry theorems
I have six questions which will be on a t... | HuggingFaceTB/finemath | |
# Traveling Salesman Problem
A salesman needs to visit each city in a list of cities and return to his home base. He knows the distance between each pair of cities, and wishes to minimize the total distance he is to travel. What should his path be?
This is an NpComplete problem. If there are n cities, exhaustive sear... | HuggingFaceTB/finemath | |
# Leetcode – Guess Number Higher or Lower Solution in Python
## Introduction
In this article, we will take an in-depth look at “Guess Number Higher or Lower” problem on Leetcode and explore various methods to solve it using Python.
## Problem Statement
We are playing the Guess Game. The game is as follows:
I pick ... | HuggingFaceTB/finemath | |
# Practice Test Explanations: Mathematics
1.Correct Response: D. To solve this problem, you must multiply the number of bottles
capped per second times the total number of seconds in I 5 hours:
(3 bottles/sec) (60 sec/min) (60 min/hr) (15 hr)
l .6 x l05 bottles
Notice that all the units cancel except the number of ... | HuggingFaceTB/finemath | |
# Autograph Newsletter 14 – Geometric Proof
Welcome Welcome to the fourteenth Autograph Newsletter! Each jam-packed edition looks at a specific topic in mathematics and how Autograph can help engage students and enable them to understand the key concepts better.
Introduction Just like in Newsletter 12, in this editi... | HuggingFaceTB/finemath | |
Question
Formatted question description: https://leetcode.ca/all/154.html
Follow up for "Find Minimum in Rotated Sorted Array":
What if duplicates are allowed?
Would this affect the run-time complexity? How and why?
Suppose a sorted array is rotated at some pivot unknown to you beforehand.
(i.e., 0 1 2 4 5 6 7 migh... | HuggingFaceTB/finemath | |
Definition
An additive semiring is a semiring with a commutative distributand.
That is, an additive semiring is a ringoid $\left({S, *, \circ}\right)$ in which:
$(1): \quad \left({S, *}\right)$ forms a commutative semigroup
$(2): \quad \left({S, \circ}\right)$ forms a semigroup.
An additive semiring is an algebraic... | HuggingFaceTB/finemath | |
# Electronic Warfare and Radar Systems Engineering Handbook- Decibel (dB) -
DECIBEL (dB)
The Decibel is a subunit of a larger unit called the bel. As originally used, the bel represented the power ratio of 10 to 1 between the strength or intensity i.e., power, of two sounds, and was named after Alexander Graham Bel... | HuggingFaceTB/finemath | |
# 912Geometry_Midpoint_LessonPlan_Construct_Talk-Frame–Midpoint
A template of the talk frame was used to plan a geometry lesson on finding the midpoint of a segment. The teacher recorded a paraphrased version of the question in the Think section, anticipated ideas to be contributed in the Talk Ideas section, which inc... | HuggingFaceTB/finemath | |
CHISQ.DIST.RT: Excel Formulae Explained
The CHISQ.DIST.RT function in Excel is a statistical function that can be used to calculate the right-tailed probability of the chi-square distribution. This function is particularly useful in hypothesis testing and in statistical analyses that involve variables with a chi-squar... | HuggingFaceTB/finemath | |
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# hw5sol - Stat 310A/Math 230A Theory of Probability Homework...
This preview shows pages 1–2. Sign up to view the full content.
Stat 310A/Math 230A Theory of Probability Homework 5 Solutions Andrea Montanari Due on November 4, 2010 Exercises on the law of large ... | HuggingFaceTB/finemath | |
# Evaluating $\lim_{n\to\infty}\left(\frac{n \cdot n!}{e\cdot (-2)^{n+1}}\cdot \left(1-e^2 \sum_{k=0}^{n} \frac{(-2)^k}{k!}\right)\right)$
Evaluate
$$\lim_{n\to\infty}\left(\frac{n \cdot n!}{e\cdot (-2)^{n+1}}\cdot \left(1-e^2 \sum_{k=0}^{n} \frac{(-2)^k}{k!}\right)\right)$$
$$\sum_{k=0}^{n} \dfrac{(-2)^k}{k!} = e^{... | HuggingFaceTB/finemath | |
# How is a magnetic moment created
## Magnetic dipole moment
The magnetic moment\$ \ vec {m} \$ (also magnetic dipole moment) is a measure of the strength of a magnetic dipole in physics and is defined analogously to the electric dipole moment.
A torque acts on a magnetic dipole in an external magnetic field of the ... | HuggingFaceTB/finemath | |
# $1^3 + \dotsb + n^3 = (1 + \dotsb + n)^2$: reason? [duplicate]
We have $$1^3 + \dotsb + n^3 = (1 + \dotsb + n)^2$$ as we can establish by induction. But why does this hold? Can we connect it to something else?
## marked as duplicate by Grigory M, egreg, user85798, Dan Rust, Andrew D. HwangApr 11 '14 at 23:42
• See... | HuggingFaceTB/finemath | |
An inequality from the handbook of mathematical functions (by Abramowitz and Stegun)
Prove that
$$\frac{1}{x+\sqrt{x^2+2}}<e^{x^2}\int\limits_x^{\infty}e^{-t^2} \, \text dt \le\frac{1}{x+\sqrt{x^2+\displaystyle\tfrac{4}{\pi}}}, \space (x\ge 0)$$
-
Just an idea... by making the change of variables $t^2=s^2+x^2$ we ge... | HuggingFaceTB/finemath | |
# Mean value thorem - Showing $\sqrt{1+x} < 1+\frac{x}{2}$ for $x>0$
So as the title states I have to show $\sqrt{1+x} < 1+\frac{x}{2}$ for $x>0$.
This is a example from the book which has to be explained for me, i'm having a hardtime understanding the proof. I do however understand the concept of MVT.
So the rest o... | HuggingFaceTB/finemath | |
# The Various +1 Sequences of Bible Numbers
God is One and He used His Oneness to create something I call His One Concept. The One Concept in the Bible is revealed by the fact that God is One in all parameters. God used His One Concept to create a numbering system to highlight the number One. God increased the value ... | HuggingFaceTB/finemath | |
# Bridge parabola word problem
1. Apr 3, 2009
### SAC2009
1. The problem statement, all variables and given/known data
A new bridge is being constructed. The space between the support needs to be 1050 feet; the height at the center of the arch needs to be 350 feet. An empty tanker needs a 280 foot clearance to pass ... | HuggingFaceTB/finemath | |
# NCERT Solutions for Class 9 Maths [Updated for 2021-22]
NCERT solutions for class 9 maths comprise the analysis and explanation of all the problems covered by the NCERT textbook for 9th grade. The solutions are provided in a detailed manner to ensure that students can understand concepts as they go through them. The... | HuggingFaceTB/finemath | |
# using second law of motion derive the relation between force and acceleration . a bullet of 10g strike a sand bag at a speed of 1000m/s and gets embeded after travelling 5 cm .calculate(1)the resistive force exerted by sand on bullet(2)the time taken by the bullet to come to rest
we have
v2 - u2 = 2as
or
accelera... | HuggingFaceTB/finemath | |
# 100 days in the future from today
## 100 days from today
### Introduction
Have you ever wondered what the date will be exactly one hundred days from now? Counting each day can be time-consuming and tedious. Luckily, we have tools that can help us calculate the future date without the need for manual counting. In t... | HuggingFaceTB/finemath | |
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# Solving quadratic equation algorithm - Flowchart
## Solving quadratic equation algorithm - Flowchart
"In elementary algebra, a quadratic equation (from the Latin quadratus for "square") is any equation... | HuggingFaceTB/finemath | |
# Divide curve and march the points along the curve
Hi, extreme newbie here.
I’d like to get points along a curve, then march the points along the curve.
I’ve had a naïve go, but this moves all the points as a set, so they are all simultaneously undergoing the same linear translation (as I guess is obvious).
Can I ... | HuggingFaceTB/finemath | |
Tamilnadu State Board New Syllabus Samacheer Kalvi 11th Maths Guide Pdf Chapter 2 Basic Algebra Ex 2.3 Text Book Back Questions and Answers, Notes.
## Tamilnadu Samacheer Kalvi 11th Maths Solutions Chapter 2 Basic Algebra Ex 2.3
Question 1.
Represent the following inequalities in the interval notation:
(i) x ≥ – 1 an... | HuggingFaceTB/finemath | |
Logical Reasoning ## Online logical reasoning test
1. Find out the number that does not fit into the given series.
54, 48, 41, 34, 24
a.) 54
b.) 48
c.) 41
d.) 34
2. Find out the number that does not fit into the given series.
1, 3, 9, 27, 82
a.) 82
b.) 27
c.) 9
d.) 3
3. Complete the following series.
0, 7,... | HuggingFaceTB/finemath | |
# American Institute of Mathematical Sciences
November 2014, 34(11): 4537-4553. doi: 10.3934/dcds.2014.34.4537
## Localization, smoothness, and convergence to equilibrium for a thin film equation
1 Department of Mathematics, Hill Center, Rutgers University, Piscataway, NJ 08854, United States 2 Department of Mathe... | open-web-math/open-web-math | |
# Presenting Polygons
11 teachers like this lesson
Print Lesson
## Objective
SWBAT identify polygons and determine the sum of the interior angles for polygons as well as each interior angle measure.
#### Big Idea
Tri, Quad, Pent, Hex ... learn the key vocabulary for polygon shapes and find interior angle measure f... | HuggingFaceTB/finemath | |
Solutions by everydaycalculation.com
## Compare 42/4 and 50/3
1st number: 10 2/4, 2nd number: 16 2/3
42/4 is smaller than 50/3
#### Steps for comparing fractions
1. Find the least common denominator or LCM of the two denominators:
LCM of 4 and 3 is 12
Next, find the equivalent fraction of both fractional numbers ... | HuggingFaceTB/finemath | |
# Math
posted by .
A mail-order company charges \$12 for each shirt. Shipping costs \$f per oder.
Write a variable expression for the cost of odering x number of shirts
• Math -
Suppose you buy x shirts to be shipped as one order. What is the cost of the shirts? What is the cost of shipping?
• Math -
I think you... | HuggingFaceTB/finemath | |
Article
A lightweight framework for dynamic GUI data verification based on scripts
Authors:
To read the full-text of this research, you can request a copy directly from the authors.
Abstract
Runtime verification (RV) provides essential mechanisms to enhance software robustness and prevent malfunction. However, RV o... | open-web-math/open-web-math | |
# Factors Race Activity
Post Contents
I created this factors race activity to give my math concepts students practice listing all of the factors of a number. I shared it on twitter in January 2018, and it’s only now making it to my blog in January 2020. Better late than never, right?!?
To prep for the activity, I pr... | HuggingFaceTB/finemath | |
# The farmer and the olive trees
A farmer has a rectangular ground of 100 m by 50 m, he wants to plant olive trees, in sufficiently spaced ways (to avoid exhaustion by the roots) at least 10 meters from each other.
How much can one hope to put at the most, effectively?
• May the trees be along the border of the rect... | HuggingFaceTB/finemath | |
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# 4.
Seepage
Soil Mechanics
2010 - 2011
Permeability
## Is a measure of how easily a fluid (water) can pass through
a porous medium (soil).
Loose Soil
High permeability
Dense Soil
Low permeability
## Dr. Manal A. Salem Soil Mechanics
Soil Permeability
Applications (examples):
1.
... | HuggingFaceTB/finemath | |
Dynamics Homework Help
1. Feb 17, 2010
kaos4
1. The problem statement, all variables and given/known data
A Satellite is to be placed in an elliptic orbit about the earth. Knowing that the ration Va/Vp of the velocity at the apogee A to the velocity at perigee P is equal to the ration Rp/Ra of the distance to the c... | HuggingFaceTB/finemath | |
# Distance between two polygons
Given two convex polygons P and Q. Determine the distance between them.
The distance between two convex polygons P and Q is defined as the length of the shortest distance between points p and q, such that point p lies inside polygon P, and point q lies inside polygon Q.
A point p is s... | HuggingFaceTB/finemath | |
## Introductory Algebra for College Students (7th Edition)
-$\frac{1}{10}$
Find the multiplicative inverse by switching the numerator and the denominator and keeping the sign the same. -10=-$\frac{10}{1}$$\to$-$\frac{1}{10}$ | HuggingFaceTB/finemath | |
# How much of a 1M glucose solution (measured in ml) and how much distilled water would you mix to make 1 liter of .5M glucose?
This is a dilution problem wherein we are looking how much volume of the stock solution we need to dilute. We have:
`M_1V_1 = M_2V_2`
`M_1` = 1 M
`V_1` = ?
`M_2` = 0.5 M
`V_2` = 1 L
`M_... | HuggingFaceTB/finemath | |
## Mensa Math
Apologies for links to political blogs. There’s some math here. The question is, what is the probability that one person could have survived two mass shootings (e.g., Gilroy and Las Vegas) ?
One fellow provides this calculation:
Las Vegas 2017 attendance: 20,000
Gilroy 2019 attendance: 80,000
I don’t ... | HuggingFaceTB/finemath | |
# What is 5 Foot 3 in CM? Discover the Conversion Trick!
Are you trying to find the exact value of 5 foot 3 in centimeters? The conversion between imperial units and metric units can often be tricky, and it can be a challenging task to perform conversions accurately. However, there is a simple conversion trick to conv... | HuggingFaceTB/finemath | |
# Finding a Central Value
When you have two or more numbers it is nice to find a value for the "center".
## 2 Numbers
With just 2 numbers the answer is easy: go half-way between.
### Example: what is the central value for 3 and 7?
Answer: Half-way between, which is 5.
We can calculate it by adding 3 and 7 and the... | HuggingFaceTB/finemath | |
# How do you write 0.000419 in scientific notation?
Apr 12, 2018
$4.19 \cdot {10}^{- 4}$
#### Explanation:
Scientific notation is always written as $a \cdot {10}^{b}$ where $a$ must be between $1$ and $10$.
You can see that we must multiply $0.00419$ by $10$ a total of four times (count out the number of spaces th... | HuggingFaceTB/finemath | |
## Algebra 1
Use the Cosine rule for the right triangle: $\frac{adjacent}{hypotenuse}$ cos(x) = $\frac{5}{10}$ SImplify the above equation: x = 60 degrees Since cosine of 60 degrees is half: x =60 degrees | HuggingFaceTB/finemath | |
### Monkey Raptor
Home Posts List Feeds — Atom (XML) Online Tools
## Wednesday, June 29, 2016
### Math: How many perfect squares are divisors of the product 1! • 2! • 3! • 4! • 5! • 6! • 7! • 8! • 9!?
This is from 2003 AMC (American Mathematics Competitions).
The problem looks like this:
How many perfect squares... | HuggingFaceTB/finemath | |
Purchase Solution
# Show that any matrix A can be written as a sum of rank-1 matrices. And show how these rank-1 matrices can be chosen so that only r of them are necessary (where r=rank(A)).
Not what you're looking for?
Show that any matrix A can be written as a sum of rank-1 matrices. And show how these rank-1 mat... | HuggingFaceTB/finemath | |
+0
# Trigonometry
0
303
1
(a) In ΔABC, given that ∠ A = 38°, ∠ C = 85°, and c = 32 cm.
(b) In ΔABC, given that ∠ A = 24°, b = 12.5 m, and c = 13.2 m.
Sep 25, 2017
#1
+17747
+1
(a) angle(A) = 38o and angle(C) = 85o ---> angle(B) = 180o - angle(A) - angle(B) = 180o - 38o - 85o = 57o
Since you kno... | HuggingFaceTB/finemath | |
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# X2 t01 03 argand diagram (2013)
614
Published on
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# [SOLVED]Pharaoh's modified Euler method question from Yahoo Answers
#### CaptainBlack
##### Well-known member
Part 2 of Pharaoh's Taylor series and modified Euler question from Yahoo Answers
consider van der pol's equation
y" - 0.2(1-y^2)y' + y = 0 y(0)=0.1 y'(0)=0.1
2)
Write down the above problem as a system of ... | HuggingFaceTB/finemath | |
# College Algebra
posted by .
I posed these one's before but added parenthesis which I think made it confusing as the actually questions do not have them. So, I'm reposting them without to see if it makes sense. If not I understand.
a. -6a-16/(a+2)(a-2)^2
b. -6a+4/(a+2)(a-2)^2
c. -6a-16/(a+2)(a-2)
d. -6a+4/(a+2)^2(a... | HuggingFaceTB/finemath | |
HOMOLOGY
Homology package contains basic theorems about general homology theory.
SETS
Definition (Proposition, Set). Type $A : \mathcal{U}$ is a proposition if all elements of $A$ are equal. Type $A : \mathcal{U}$ is a set if all paths between elements of $A$ are equal. $$isProp(A) ≔ \prod_{x, y : A} x = y$$ $$isSet... | HuggingFaceTB/finemath | |
Home » Blog » Compute the volume of a solid with given properties
# Compute the volume of a solid with given properties
Given a solid with circle base of radius 2 and cross sections which are equilateral triangles, compute the volume of the solid.
We may describe the top half of the circular base of the solid by the... | HuggingFaceTB/finemath | |
It is currently 24 Jun 2017, 00:35
### 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
for You
we will pick new questions that match your level based o... | HuggingFaceTB/finemath | |
# statistics rayleigh distribution
A permutation is an arrangement of all or part of a set of objects, with regard to the order of the arrangement. For example, suppose we have a set of three letters: A, B, and C. we might ask how many ways we can arrange 2 letters from that set.
Permutation is defined and given by t... | HuggingFaceTB/finemath | |
# Volume of a solid of revolution bounded by
• Apr 11th 2011, 10:48 AM
bijosn
Volume of a solid of revolution bounded by
Determine the volum of a solid of revolution when the region bounded by $y = \sqrt{x}$ and the straight lines y = 2 and x = 0 are rotated around the line x = 4
$V = 2\pi \int_{0}^{4} x ( 2 - \sqrt{... | HuggingFaceTB/finemath | |
All points on the curve y2=4ax+asinxa at which the tangents are parallel to the axis of x lie on a
# All points on the curve ${y}^{2}=4a\left(x+a\mathrm{sin}\frac{x}{a}\right)$ at which the tangents are parallel to the axis of $x$ lie on a
1. A
circle
2. B
parabola
3. C
line
4. D
none of these
Register to ... | HuggingFaceTB/finemath | |
# What is the slope of the polar curve f(theta) = theta - sec^2theta+costhetasin^3theta at theta = (5pi)/6?
##### 1 Answer
Mar 23, 2017
From the reference Polar Curve Tangents :
$\frac{\mathrm{dy}}{\mathrm{dx}} = \left(\frac{\mathrm{dr}}{d \text{theta)sin(theta)+rcos(theta))/((dr)/(d} \theta} \cos \left(\theta\right... | HuggingFaceTB/finemath | |
Student/VectorCalculus/RootedVector - Maple Help
Student[VectorCalculus]
RootedVector
creates a vector rooted at a given point with specified components in a given coordinate system Calling Sequence RootedVector(origin,comps,c) RootedVector(vspace, comps) Parameters
origin - root=list(algebraic) or root=Vector(a... | HuggingFaceTB/finemath | |
Planck Voltage to EMU of Electric Potential Converter
1 Planck Voltage = 1.04295e+35 EMU of Electric Potential
One Planck Voltage is Equal to How Many EMU of Electric Potential?
The answer is one Planck Voltage is equal to 1.04295e+35 EMU of Electric Potential and that means we can also write it as 1 Planck Voltage ... | HuggingFaceTB/finemath | |
## Computing the angle between two vectors
Introduction
Given two vectors in three dimensions, what is the most accurate way to compute the angle between them? I have seen several different approaches to this problem recently in the wild, and although I knew some of them had potential issues, I wasn’t sure just how b... | HuggingFaceTB/finemath | |
It is currently 26 Jun 2017, 02:29
### 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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we will pick new questions that match your level based o... | HuggingFaceTB/finemath | |
# Solution May 19, 2008
### Problem
Consider a completely filled Sudoku, written as a 9x9 matrix. Show that the determinant of this matrix is divisible by 405.
### Solution
This is true for any 9x9 latin square. We can add the second, third, ..., ninth column of the matrix to the first column without changing its d... | HuggingFaceTB/finemath | |
### 数学代写|代数数论代写Algebraic number theory代考|Direct Product of Rings
statistics-lab™ 为您的留学生涯保驾护航 在代写代数数论Algebraic number theory方面已经树立了自己的口碑, 保证靠谱, 高质且原创的统计Statistics代写服务。我们的专家在代写代数数论Algebraic number theory代写方面经验极为丰富，各种代写代数数论Algebraic number theory相关的作业也就用不着说。
• Statistical Inference 统计推断
• Statistical Computing 统计计算
• Ad... | open-web-math/open-web-math | |
# Teaching Addition to Children Tips to Teach Carrying and Borrowing
Manipulatives are the best way to demonstrate the mathematical concepts of “regrouping” which is really what you are doing in adding and subtracting rather than carrying and borrowing. Regrouping is more accurately based on place value, so children c... | HuggingFaceTB/finemath | |
# Homework Help: Midpoint of a Segment
1. Oct 3, 2015
### Bashyboy
1. The problem statement, all variables and given/known data
Prove that every segment has a midpoint.
2. Relevant equations
3. The attempt at a solution
I first began with some arbitrary segment $AB$ in the plane, and then constructed the line $\o... | HuggingFaceTB/finemath | |
# Limit problem solution
#### icosane
1. Homework Statement
lim as x goes to 0 of
[x*csc(2x)] / cos(5x)
3. The Attempt at a Solution
The book solution says the answer is 1/2. I keep getting zero as an answer because of the x in the numerator and am unsure of how else to go about the problem. I'm pretty sure I'm s... | HuggingFaceTB/finemath | |
# Basics about Plot Area, Built-Up Area, and Carpet Area
When someone wants to buy a home, he faces some technical words like plot area, built-up area, carpet area. Every word has its own meaning. Buyers should know the terms before purchasing a house for them.
The common areas of the house are:
1. Plot Area
2. Buil... | HuggingFaceTB/finemath | |
Floating-point Number Python, Clinical Reasoning Cases In Nursing Pdf, Boost Mobile $40 Plan, Do Orcas Eat Sharks, Assassin Snails For Sale, Oligoclase In Thin Section, " /> Floating-point Number Python, Clinical Reasoning Cases In Nursing Pdf, Boost Mobile$40 Plan, Do Orcas Eat Sharks, Assassin Snails For Sale, Oligoc... | open-web-math/open-web-math | |
# CAGR Calculator
• Determines Compound Annual Growth Rate (CAGR)
• Average rate of change (compounded) for a value
• Useful for investments and sales analysis.
## CAGR: 14.87%
Your investment grew from \$10000 to \$20000 over a period of 5 periods (months, years) at a compounded growth rate (CAGR) of 14.87%.
14.87... | HuggingFaceTB/finemath | |
29) A
Total Area of 1 narrow wall = 4 x 2.5 = 10m²
Area of narrow wall with door = 10 – (1 x 2) = 8m²
Area of narrow wall with window = 10 – (2 x 1.5) = 7m²
Total Area of narrow walls = 8 + 7 = 15m²
1 tin paints 15m²
If person paints with high quality paint, two coats are needed = 15 x 2 = 30m²
Cost for 1 coat which ... | HuggingFaceTB/finemath | |
# Spherical symmetry metric
• I
• GR191511
In summary, spherical symmetry requires that the line element does not vary when ##\theta## and##\phi## are varied, so that ##\theta## and ##\phi## only occur in the line element in the form (##d\theta^2+\sin^{2}\theta d\phi^2)##. This is the metric of a 2-sphere, which is in... | HuggingFaceTB/finemath | |
# compact set and convergent sequence
• Feb 28th 2010, 01:00 PM
inthequestofproofs
compact set and convergent sequence
Using the definition of a compact set: "A subset K of R is compact if every open cover of K has a finite subcover of K, that is if {Oj}j in A is an open cover of K, then there exists j1, j2, j3.... , ... | HuggingFaceTB/finemath | |
# help simplify trig
• Feb 20th 2010, 08:07 PM
yangx
help simplify trig
Can someone help me with this simplification?
6sin(3x)cos(3x)
I know this simplify to 3sin(6x) but how?
identity:
sin2x = 2sinxcosx
• Feb 20th 2010, 08:36 PM
mr fantastic
Quote:
Originally Posted by yangx
Can someone help me with this simplifica... | HuggingFaceTB/finemath | |
## Saturday, July 26, 2008
### The Fibonacci Numbers, Coalgebraicaly
`> {-# LANGUAGE TypeSynonymInstances #-}`
What kind of Haskell programmer can I call myself if I haven't written a fiendishly complex piece of code to inefficiently compute the Fibonacci numbers. Unfortunately, what follows isn't particularly fiend... | HuggingFaceTB/finemath | |
380 W Teague Ave Clovis, CA 93619 | (559) 327-3500
# Math 7 Unit 2
Home \ Academics \ Math \ Math 7 \ Math 7 Unit 2
## Math 7 Unit 2 - Illustrative Mathematics Online Resources
Grade 7 Illustrative Mathematics – Unit 2: Introducing Proportional Relationships Download PDF of Student Edition Download PDF o... | HuggingFaceTB/finemath |
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