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# What is A NUMERICAL SUMMARY OF A POPULATION?
What is a numerical summary of a sample? That is the definition of a statistic A numerical value used as a summary measure for a population of data is called?
What is A NUMERICAL SUMMARY OF A POPULATION CALLE? Mr What will tell you the d... | HuggingFaceTB/finemath | |
👉 Try now NerdPal! Our new math app on iOS and Android
# Find the derivative $\frac{d}{dx}\left(\sin\left(x\right)-\tan\left(x\right)\cos\left(x\right)\right)$ using the sum rule
Go!
Symbolic mode
Text mode
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# Transform Node-Labeled Graph to equivalent Edge-Labeled
Given a Node-Labeled graph, i.e., a graph where only vertices have labels, I would like to create an equivalent Edge-Labeled graph, i.e., a graph where only edges have labels.
I know how to do the opposite. In particular, given an edge-labeled node-unlabeled g... | HuggingFaceTB/finemath | |
CLAST Math On-Line Practice Quiz
Test Timer
Enter First Name followed by a space then your Last Name here
-1/3 -(-2) =
a) -7/3
b) -12/3
c) 1/3
d) 1 2/3
(-6) x 2 1/2 =
a) -7 1/2
b) 15
c) -12/5
d) -15
1.46 + 0.257 =
a) 4.03
b) 0.403
c) 1.717
d) 0.1717
4.56 x 2.6 =
a) 1.1856
b) 3.648
c) 11.856
d) 2.648
Question... | HuggingFaceTB/finemath | |
PSC Study Materials
# Day of the week of any Given Date PSC Problems & Formula
How to Calculate the Day of the week of any given date in no time. By Practicing this formula allows you to take a date and calculate which day of the week it fell on.
### Formula
(Year Code + Month Code + Century Code + Date Number – Le... | HuggingFaceTB/finemath | |
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# Chapter 3
Combining Factors
Solutions to Problems
3.1 P = 100,000(260)(P/A,10%,8)(P/F,10%,2)
= 26,000,000(5.3349)(0.8264)
= \$114.628 million
3.2 P = 50,000(56)(P/A,8%,4)(P/F,8%,1)
= 2,800,000(3.3121)(0.9259)
= \$8.587 million
## 3.3 P = 80(2000)(P/A,18%,3) + 100(2500)(P/A,18%,5)(P/F,1... | HuggingFaceTB/finemath | |
## Sets
A set is an unordered colleciton of distinct objects. The objects in a set are elements or members.
Fields like the Natural numbers, Integers or Real numbers are all sets defined like {0,1,2, ...}.
#### Operations
• Union. A ∪ B = {x : x in A or x in B}
• Intersection. A ∩ B = {x : x in A and x in B}
• Diff... | HuggingFaceTB/finemath | |
Thread: How can we distinguish a subset is open?any easy way?
1. How can we distinguish a subset is open?any easy way?
{ c} in Z, c is a constant integer.
(a,b) in R
[a,b] in R
{a/b} in Q, a/b is a constant rational number.
how can we judge whether these subsets are open ?
Can anyone give examples of open sets of... | HuggingFaceTB/finemath | |
# Help required for the calculation of moles [closed]
If 4.5ml of yeast prep + 0.5ml of 0.25 M glucose is separated into 2ml in 2 similar flasks. How many micromoles of glucose are there in one flask?
Using M1V1=M2V2 (0.5ml/1000)*0.25M = M2 * 2ml = 0.0000625M
Using n=cv n= 0.0000625*2 = 0.000125moles =125umoles
Is ... | HuggingFaceTB/finemath | |
# math
Claire wants to determine how brightly to illuminate her stage. stage width (in metres) x stage length (in metres) x 0.14 = total watts for stage
If her stage is 7.25 metros wide and 11.5 metres long,
a) calculate the exact number of watts needid to illuminate the stage
b) calculate the number of watts needid ... | HuggingFaceTB/finemath | |
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Chap013s
# Chap013s - Return Risk and the Security Market Line Chapter...
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Return, Risk, and the Security Market Line Chapter Thirteen 1
This preview has intentionally blurred sections. Sign up to ... | HuggingFaceTB/finemath | |
Scientific Visualization and Computer Graphics > CS > BI > FSE > RUG
# Terminology
Here is a short summary of different orders and order types, and how they are called in different contexts. Consider a and b to be multi-component values from the same set, with a_i and b_i their i-th components, then we have:
• Lexic... | HuggingFaceTB/finemath | |
# Determine the highest point of the curve y + x^2 - 3x - 16 = 0
justaguide | Certified Educator
The curve defined by the equation y + x^2 - 3x - 16 = 0 is a parabola. It can be rewritten as y = -x^2 + 3x + 16. The parabola opens downwards.
At the highest point of the curve, the tangent to the curve is parallel to t... | HuggingFaceTB/finemath | |
# Why can't you divide matrices?
I was just wondering that because one can multiply and add and subtract matrices, why can't one divide them?
• But you can.${}$ – Git Gud Dec 9 '13 at 2:22
• please explain. – Joao Dec 9 '13 at 2:23
• please link to a site. – Joao Dec 9 '13 at 2:25
• Google 'polynomial matrix' and 'po... | HuggingFaceTB/finemath | |
This site is supported by donations to The OEIS Foundation.
Please make a donation to keep the OEIS running. We are now in our 55th year. In the past year we added 12000 new sequences and reached 8000 citations (which often say "discovered thanks to the OEIS"). We need to raise money to hire someone to manage submiss... | HuggingFaceTB/finemath | |
## Work Assignment - Section 4: Independent/Closing
Work Assignment
# Ordering Fractions
Unit 3: Number & Operations-Fractions
Lesson 5 of 21
## Big Idea: Given a set of 3 or more fractions the student will be able to place them in order from least to greatest.
Print Lesson
2 teachers like this lesson
Standards:
S... | HuggingFaceTB/finemath | |
# Proof w/ natural log and Riemann Sum
1. Jan 14, 2006
### Xcron
Problem states:
(A) Use mathematical induction to prove that for $$x\geq0$$ and any positive integer $$n$$.
$$e^x\geq1+x+\frac{x^2}{2!}+...+\frac{x^n}{n!}$$
(B) Use part (A) to show that $$e>2.7$$.
(C) Use part (A) to show that
$$\lim_{x\rightarrow\i... | HuggingFaceTB/finemath | |
# Uncertainty calculation for calculating pi using Monte Carlo integration
#### googlygluon
1. Homework Statement
I wrote a code that calculates pi using accept&reject monte carlo integration. It picks -1000000000 pseudo-random points (x,y), and counts the number of points that fall within a unit circle (let's call t... | HuggingFaceTB/finemath | |
## Calculus: Early Transcendentals 8th Edition
By rotating and translating the parabola, we can assume that it has an equation of the form as $y=cx^{2}$ where $c>0$. The tangent at the point $(a,ca^{2})$ is the line $y-ca^{2}=2ca(x-a)y$ $=2cax-ca^{2}$ The tangent meets the parabola at the points $(x,cx^{2})$ where $cx... | HuggingFaceTB/finemath | |
# qmr
Solve system of linear equations — quasi-minimal residual method
## Syntax
``x = qmr(A,b)``
``x = qmr(A,b,tol)``
``x = qmr(A,b,tol,maxit)``
``x = qmr(A,b,tol,maxit,M)``
``x = qmr(A,b,tol,maxit,M1,M2)``
``x = qmr(A,b,tol,maxit,M1,M2,x0)``
``[x,flag] = qmr(___)``
``[x,flag,relres] = qmr(___)``
``[x,flag,relres,i... | HuggingFaceTB/finemath | |
# Solve integral:`int (dx)/sqrt(1-e^(2x))`
Posted on
Step 1: integration by substitution
`u = 2x -gt du=2dx -gt dx=1/2du`
`= 1/2int(du)/(sqrt(1-e^u))`
Step 2: integration by substitution
`v = e^u -gt dv=e^udu -gt du=(dv)/v`
`= 1/2int(dv)/(vsqrt(1-v))`
Step 3: integration by substitution
`w = 1-v -gt v = 1-w`
`... | HuggingFaceTB/finemath | |
# 6.5: Bearing Friction
$$\newcommand{\vecs}[1]{\overset { \scriptstyle \rightharpoonup} {\mathbf{#1}} }$$
$$\newcommand{\vecd}[1]{\overset{-\!-\!\rightharpoonup}{\vphantom{a}\smash {#1}}}$$
$$\newcommand{\id}{\mathrm{id}}$$ $$\newcommand{\Span}{\mathrm{span}}$$
( \newcommand{\kernel}{\mathrm{null}\,}\) $$\newcomma... | HuggingFaceTB/finemath | |
Important Questions: Algebra
# Class 6 Maths Chapter 11 Important Question Answers - Algebra
Q1: Deepak’s present age is one-third his mother’s present age. If the mother’s age was five times his age 6 years ago, what are their present ages?
Ans:
Q2: Form expressions using y, 2 and 7. Every expression must have y in... | HuggingFaceTB/finemath | |
## Conversion formula
The conversion factor from milliliters to teaspoons is 0.20288413535365, which means that 1 milliliter is equal to 0.20288413535365 teaspoons:
1 ml = 0.20288413535365 tsp
To convert 192 milliliters into teaspoons we have to multiply 192 by the conversion factor in order to get the volume amount... | HuggingFaceTB/finemath | |
# Euler problems/111 to 120
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)
## Problem 111
Search for 10-digit primes containing the maximum number of repeated digits.
Solution:
```import Control.Monad (replicateM)
-- All ways of interspersing n copies of x into a list
intr :: Int -> a ... | HuggingFaceTB/finemath | |
### Home > CALC > Chapter Ch3 > Lesson 3.2.3 > Problem3-73
3-73.
Use the Power Rule.
f(x) can be rewritten with a negative exponent.
f(x) can be rewritten with a fractional exponent.
You know that the derivative of y = sinx is y' = cosx. Well, f(x) is a transformation of y = sinx. So f '(x) (its slope function) wi... | HuggingFaceTB/finemath | |
## Subset Sum
### March 27, 2012
The subset-sum problem asks you to find the subset of a set of integers that sums to a given target; for instance, given the set {267 439 869 961 1000 1153 1246 1598 1766 1922} and target 5842, the subset {869 961 1000 1246 1766} sums to 5842. This is a well-known NP problem, and the ... | HuggingFaceTB/finemath | |
Journal topic
Hydrol. Earth Syst. Sci., 22, 6371–6381, 2018
https://doi.org/10.5194/hess-22-6371-2018
Hydrol. Earth Syst. Sci., 22, 6371–6381, 2018
https://doi.org/10.5194/hess-22-6371-2018
Research article 10 Dec 2018
Research article | 10 Dec 2018
# Caffeine vs. carbamazepine as indicators of wastewater pollution ... | open-web-math/open-web-math | |
1. ## Complex logarithm question
The question:
Find the Cartesian form of $Log((e^{\frac{3\pi i}{4}})^2)$ (note that this is the principle branch logarithm)
My attempt:
I'm not sure how to deal with the square. I recall that the index and log laws do not hold in this context. So how do I deal with it?
2. Originally ... | HuggingFaceTB/finemath | |
The trick to these problems and any “ disguised quadratic ” is to recognize that it is a
disguised quadratic . Notice that in every problem of this type, there is a relationship
between the leading term and the middle term! The power of the leading term is double
that of the middle term .
Once you have recognized that... | HuggingFaceTB/finemath | |
problemset10s
# problemset10s - MAT 137Y 2008-09 Winter Session Solutions...
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View Full Document
This is the end of the preview. Sign up to access the rest of the documen... | HuggingFaceTB/finemath | |
## Solving Equations With Algebraic Fractions Worksheet Tes
Solving Equations With Algebraic Fractions Worksheet Tes. Beginning with a accessible addition that reminds acceptance how to break two. Solving equations with fractions worksheet tes.
(a) solve simple equations involving fractions, e.g. They have kindly all... | HuggingFaceTB/finemath | |
'
# Search results
Found 908 matches
Dividend discount model ( Gordon growth model)
The dividend discount model is a method of valuing a company’s stock price based on the theory that its stock is worth the sum of all of its future ... more
Worksheet 289
Prior to manned space flights, rocket sleds were used to tes... | HuggingFaceTB/finemath | |
Is xy > x/y? : Retired Discussions [Locked]
Check GMAT Club App Tracker for the Latest School Decision Releases http://gmatclub.com/AppTrack
It is currently 10 Dec 2016, 23:31
### GMAT Club Daily Prep
#### Thank you for using the timer - this advanced tool can estimate your performance and suggest more practice que... | HuggingFaceTB/finemath | |
[ Home ]
How to find unknown opposite or adjacent sides in right triangles using tangent ratios.
This topic is part of the TCS FREE high school mathematics 'How-to Library'. It shows you how to find unknown opposite or adjacent sides in right triangles using tangent ratios. (See the index page for a list of all av... | HuggingFaceTB/finemath | |
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Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
A210790 Triangle of coefficients of polynomials v(n,x) jointly generated with A210789; see the Formula section. 3
1, 1, 2, 1, 2, 3, 1, 4, 5, 5, 1, 4, 10, 10, 8, 1, 6, 14, 24, 20, 13, 1, ... | HuggingFaceTB/finemath | |
# How to express a periodic piecewise linear function in terms of Mod function? or linear combination of Mod?
I am programming a small game (with other programming language) in which I have to use Mod function to express piecewise linear period functions.
In my case, two hard parts I think exist.
(1) The periodic fu... | HuggingFaceTB/finemath | |
# Question 98e74
Feb 15, 2017
$\text{44 m}$
#### Explanation:
The trick here is to realize that the time needed for the object to go from ground level to maximum height is equal to the time needed for the object to go back from maximum height to ground level.
That is the case because the object is moving under gra... | HuggingFaceTB/finemath | |
### Math Drama
Here is an activity that I have just finished over the last couple of days. Feel free to download the PDF and share it. You may not use the exact details, but I found the overall progression of the lessons to be well balanced and thought-provoking.
ABC International School Math Debate (PDF Version, i... | HuggingFaceTB/finemath | |
## How do you measure the distance between Earth and the Sun? (Intermediate)
How do astronomers calculate the distance of the Sun from the Earth, or the actual size of the Sun, or the speed of travel of Earth in its orbit around the Sun? Clearly, from an answer to one of these questions one can find out the answers to... | HuggingFaceTB/finemath | |
How do you use the Intermediate Value Theorem to show that the polynomial function 2x^3 + x^2 +2 has a root in the interval [-2, -1]?
Oct 19, 2015
See the explanation.
Explanation:
$f \left(x\right) = 2 {x}^{3} + {x}^{2} + 2$ is continuous function over $R$ and hence, over $\left[- 2 , - 1\right]$.
$f \left(- 2\r... | HuggingFaceTB/finemath | |
# Lesson 5
How Crowded Is this Neighborhood?
Let’s see how proportional relationships apply to where people live.
### 5.1: Dot Density
The figure shows four squares. Each square encloses an array of dots. Squares A and B have side length 2 inches. Squares C and D have side length 1 inch.
1. Complete the table with... | HuggingFaceTB/finemath | |
Question
# A tangent drawn to the curve $y=f\left(x\right)$ at $P\left(x,y\right)$ cuts the $x-axis$ and $y-axis$ at A and B respectively such that $BP:AP=3:1$given that $f\left(1\right)=1$, then
A
Equation of the curve is $x\left(\frac{dy}{dx}\right)-3y=0$
No worries! We‘ve got your back. Try BYJU‘S free classes t... | open-web-math/open-web-math | |
# Telling the Time: Roman Numeral Clock Faces (3)
In this worksheet, students must select the time that matches the given Roman Numeral clock face. Times in multiples of 5 minutes are shown.
Key stage: KS 2
Curriculum topic: Measurement
Curriculum subtopic: Tell the Time (Roman Numerals from I to XII)
Difficu... | HuggingFaceTB/finemath | |
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# Subtracting rational expressions
Sal subtracts and simplifies (a-2)/(a+2) - (a-3)/(a²+4a+4). Cre... | HuggingFaceTB/finemath | |
This is because when such items are asked in examinations, an examinee is expected to calculate and compute drug dosages for their patients. Worksheets are healthcare math calculating dosage pharmacy calculations review a pharmacy techs quick reference of pharmacy conversions calculations review for pharmacy technician... | HuggingFaceTB/finemath | |
# Pythagorean Theorem Mixed Questions
Lesson
## Pythagorean Theorem
Pythagorean Theorem states that the square of the hypotenuse (the side opposite the right angle) is equal to the sum of the squares of the other two sides. The theorem can be written algebraically.
$a^2+b^2=c^2$a2+b2=c2
where $c$c represents the l... | HuggingFaceTB/finemath | |
# Chapter 11. h = 5m. = mgh mv Iω 2. E f. = E i. v = 4 3 g(h h) = m / s2 (8m 5m) = 6.26m / s. ω = v r = 6.
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Download "Chapter 11. h = 5m. = mgh + 1 2 mv 2 + 1 2 Iω 2. E f. = E i. v = 4 3 g(h h) = 4 3 9.8m / s2 (8m 5m) = 6.26m / s. ω = v r = 6."
Transcription
1 Chapter A solid cylinder... | HuggingFaceTB/finemath | |
# Newtons to Pound-force Conversion
Enter the force in newtons below to get the value converted to pound-force.
Results in Pound-force: 1 N = 0.224809 lbf
## How to Convert Newtons to Pound-force
To convert a newton measurement to a pound-force measurement, multiply the force by the conversion ratio. One newton is ... | HuggingFaceTB/finemath | |
# Help with an equation about waves and wavelengths
• BarelyPassing
In summary, The conversation discusses setting up a standing wave on a taut string and determining its wavelength and speed. The string has a frequency of 350 Hz and a length of 1 m with a total of 6 antinodes. With 3 fundamental waves present, the wa... | HuggingFaceTB/finemath | |
## If a polygon is monotonous with respect to a line, how can I determine the two monotone polygonal chains?
Thank you for contributing a response to Computer Science Stack Exchange!
But avoid
• Make statements based on opinion; Support them with references or personal experience.
Use MathJax to format equations. M... | HuggingFaceTB/finemath | |
# Thin lens
A lens can be considered a thin lens if d << R1 or d << R2.
In optics, a thin lens is a lens with a thickness (distance along the optical axis between the two surfaces of the lens) that is negligible compared to the radii of curvature of the lens surfaces. Lenses whose thickness is not negligible are some... | HuggingFaceTB/finemath | |
# Lecture Title - University of Wisconsin-Madison Intro. ANN & Fuzzy Systems Lecture 15. Pattern Classification (I): Statistical Formulation Intro. ANN & Fuzzy Systems Outline Statistical Pattern Recognition Maximum Posterior Probability (MAP) Classifier Maximum Likelihood (ML) Classifier K-Nearest Neighbor Classifier ... | HuggingFaceTB/finemath | |
# Math Stories
Wednesday August 29, 2012
A train leaves the station at 9:00 am, heading East at 60 miles per hour. At 9:30 am, you begin running toward the train at 5 miles per hour. At what time will you and the train collide?
Remember problems like this? 98% of us had nightmares about these story problems as child... | HuggingFaceTB/finemath | |
Solutions by everydaycalculation.com
## 161 percent of what number is 75?
75 is 161% of 46.58
#### Steps to solve "75 is 161 percent of what number?"
1. We have, 161% × x = 75
2. or, 161/100 × x = 75
3. Multiplying both sides by 100 and dividing both sides by 161,
we have x = 75 × 100/161
4. x = 46.58
If you are u... | HuggingFaceTB/finemath | |
## Sunday, February 1, 2009
### Three wise men.
Three wise men were sitting around a table and arguing who is the smartest one. A stranger walked by and they asked him to resolve their conflict. The stranger thought and agreed. He told them that he has 5 hats in his bag: 2 white hats and 3 black hats. The wise men sh... | HuggingFaceTB/finemath | |
## Thursday, 23 October 2014
### Halloween Proportional Reasoning Review Activity
This is a Halloween review activity where students will answer proportional reasoning questions and collect candy on the Smartboard (This is the Halloween version to an Easter activity post. If teaching in the fall this context makes mo... | HuggingFaceTB/finemath | |
# Quick Answer: How Many Football Fields Is A Hectare?
## How long is an acre in miles?
Description.
One acre equals 1⁄640 (0.0015625) square mile, 4,840 square yards, 43,560 square feet, or about 4,047 square metres (0.4047 hectares) (see below)..
## Are all football fields the same size?
There are two constants... | HuggingFaceTB/finemath | |
1
Q:
# A person bought an item for Rs. 1500 and sold it at a profit of 12%. What was the selling price of the item?
A) Rs. 1800 B) Rs. 1620 C) Rs. 1662 D) Rs. 1680
Answer: D) Rs. 1680
Explanation:
Q:
A manufacturer sells cooking gas stoves to shopkeepers at 10% profit, and in turn they sell the cooking gas stov... | HuggingFaceTB/finemath | |
# Mr. 'X' has three children. The birthday of the first child falls on the 5th Monday of April, that of the second one falls on the 5th Thursday of Nove
1.1k views
closed
Mr. 'X' has three children. The birthday of the first child falls on the 5th Monday of April, that of the second one falls on the 5th Thursday of N... | HuggingFaceTB/finemath | |
# Calculating the Single Amount (PV)
If we know the future value (FV), the number of time periods of compound interest (n), and the interest rate (i), we can use future value factors to calculate the unknown amount that was originally deposited (the "present value," or PV). Calculations #13 through #16 illustrate how ... | HuggingFaceTB/finemath | |
# Electric field of two infinitely long and thin, straight wires
I know the formula of the electric field, however:
suppose that we put two infinitely long and thin, straight wires symetrically into the coordinate system, so that y axis is between them.
Now consider that we have wires charged with charge $q_1=q$ and... | HuggingFaceTB/finemath | |
# Explain Basic Supply Demand Graph Can someone please explain these things? They show up all over the place and it seems people can't be bothered with documenting the labels. Is this showing f(L) = W? Is it showing f(W) = L? If so, what's up with the labels (D) and (S) on the curve? Is something else going on? What's ... | HuggingFaceTB/finemath | |
Category:
# What is Vector Physics?
Article Details
• Written By: John Kinsellagh
• Edited By: C. Wilborn
2003-2018
Conjecture Corporation
In 2018, the percentage of the global population that uses the Internet surpassed 50% for the first time. more...
December 15 , 1791 : The US Bill of Rights was ratified. m... | HuggingFaceTB/finemath | |
# The diagonals of a rhombus are perpendicular bisectors of one another.
Given: ABCD is a rhombus.
To Prove: m∠ AOD = m∠ COD = 90°.
Proof:
ABCD is a rhombus. .........(Given)
Since the opposite sides of a rhombus have the same length, it is al... | HuggingFaceTB/finemath | |
# How do you find the domain of (3x^2+3x-6)/(x^2-x-12)?
Jan 7, 2018
$x \in \mathbb{R} , x \ne - 3 , 4$
#### Explanation:
The denominator of the rational expression cannot be zero as this would make it undefined. Equating the denominator to zero and solving gives the values that x cannot be.
$\text{solve } {x}^{2} ... | HuggingFaceTB/finemath | |
# How to Calculate Rotational Torque
by Ryan Menezes car wheel wrench image by Christopher Dodge from Fotolia.com
Rotational torque measures a force's tendency to rotate an object. To calculate it, you need to know how large the force is and the length between the axis and the point of force application.
#### Step 1... | HuggingFaceTB/finemath | |
# 3323 (number)
3,323 (three thousand three hundred twenty-three) is an odd four-digits prime number following 3322 and preceding 3324. In scientific notation, it is written as 3.323 × 103. The sum of its digits is 11. It has a total of 1 prime factor and 2 positive divisors. There are 3,322 positive integers (up to 3... | HuggingFaceTB/finemath | |
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p0867
# p0867 - u ∗ = M ∗ a ∗ = a ∗ = ² γ RT ∗ = ³ 2...
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1206 CHAPTER 8. ONE-DIMENSIONAL COMPRESSIBLE FLOW 8.67 Chapter 8, Problem 67 Problem: In terms of standard compressible-flow notation, verify tha... | HuggingFaceTB/finemath | |
# Scheffé's method
In statistics, Scheffé's method, named after the American statistician Henry Scheffé, is a method for adjusting significance levels in a linear regression analysis to account for multiple comparisons. It is particularly useful in analysis of variance (a special case of regression analysis), and in c... | HuggingFaceTB/finemath | |
# How to Determine Magnetic Flux Density?
ElectronElectronics & ElectricalDigital Electronics
The magnetic flux density is the measure of amount of magnetic flux in each square meter of the magnetic field. Therefore, the magnetic flux density is defined as the magnetic flux passing normally (at 90°) per unit area and... | HuggingFaceTB/finemath | |
# Electronic Devices and Circuits Questions and Answers – Stabilization against Variations in VBE and Beta for Self Bias Circuit
This set of Electronic Devices and Circuits Multiple Choice Questions & Answers (MCQs) focuses on “Stabilization against Variations in VBE and Beta for Self Bias Circuit”.
1. What is the fu... | HuggingFaceTB/finemath | |
# Displacement Formula
## Displacement Formulas - How to Calculate Displacement
Displacement is defined as the shortest distance between two points.
In a two dimensional system, distance formula can be used to find the shortest distance between two points. I.e.
If an object is moving with constant velocity, then
Dis... | HuggingFaceTB/finemath | |
# Teorema da desintegração
Disintegration theorem In mathematics, the disintegration theorem is a result in measure theory and probability theory. It rigorously defines the idea of a non-trivial "restriction" of a measure to a measure zero subset of the measure space in question. It is related to the existence of cond... | HuggingFaceTB/finemath | |
# Find all differences in an array in O(n)
Question: Given a sorted array A find all possible difference of elements from A.
My solution:
``````for (int i=0; i<n-1; ++i) {
for (int j=i+1; j<n; ++j) {
System.out.println(Math.abs(ai-aj));
}
}
``````
Sure, it's O(n^2), but I don't over count things at all. I looked on... | HuggingFaceTB/finemath | |
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## #1 2012-12-29 22:44:42
mathaholic
Member
From: Earth
Registered: 2012-11-29
Posts: 3,251
### 2 primes that equal
Let us give 2 primes that equal 1000. Okay?
863+137
Mathaholi... | HuggingFaceTB/finemath | |
Classify the function as injection, surjection or bijection f: R → R, defined by f(x) = |x|
Asked by Sakshi | 1 year ago | 36
##### Solution :-
Given f: R → R, defined by f(x) = |x|
Now we have to check for the given function is injection, surjection and bijection condition.
Injection test:
Let x and y be any tw... | HuggingFaceTB/finemath | |
## Dynamics of the Weil-Petersson flow: basic geometry of the Weil-Petersson metric II
Originally posted on Disquisitiones Mathematicae:
In the first post of this series, we planned to discuss in the third and fourth posts the proof of the following ergodicity criterion for geodesic flows in incomplete negatively cur... | open-web-math/open-web-math | |
2
Q:
# Simplify the following equation ?2003 x 2004 - 2001 x 2002 = ?
A) 8010 B) 8020 C) 8030 D) 8040
Explanation:
(2000 + 3)(2000 + 4) - (2000 + 1)(2000 + 2) = ?
Since (2000 x 2000) - (2000 x 2000) is equal to zero. ?
= (8000 + 6000 + 12) - (4000 + 2000 + 2)
=> 14012 - 6002 = 8010.
Q:
Simplify
39.96% of 649.85... | HuggingFaceTB/finemath | |
# Rate of Doing Work
## Notes
Work done by Power:
A stronger person may do certain work in relatively less time. A more powerful vehicle would complete a journey in a shorter time than a less powerful one. We talk of the power of machines like motorbikes and motorcars. The speed with which these vehicles change ener... | HuggingFaceTB/finemath | |
# Is $(7,4)$ the only non-trivial integer solution for $(n)_k=n!$?
I accidentally noticed that:
$$(7)_4=7 \cdot 8 \cdot 9 \cdot 10=2 \cdot 3 \cdot 4 \cdot 5 \cdot 6 \cdot 7=7!$$
Here $(n)_k$ is the Pochhammer symbol.
I wonder, are there any other non-trivial integer solutions $(n,k)$?
$$(n)_k=n!$$
Among the ones ... | HuggingFaceTB/finemath | |
# What is a pass in selection sort?
## What is a pass in selection sort?
In order to do this, a selection sort looks for the largest value as it makes a pass and, after completing the pass, places it in the proper location. As with a bubble sort, after the first pass, the largest item is in the correct place. After t... | HuggingFaceTB/finemath | |
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MAT211_Lecture16[1]
MAT211_Lecture16[1] - Denition MAT211 Lecture 16 Orthogonal...
This preview shows pages 1–3. Sign up to view the full content.
MAT211 Lecture 16 Orthogonal transformations and orthogonal matrices Definition A linear transformation from R n to... | HuggingFaceTB/finemath | |
# the sides of a right triangle are a, a+d, a+2d with a and d both positive. what is the value of ratio a:d?
9 years ago
a, a+d, a+2d are in A.P
but in this qstn. it doesn''t matter.
Just apply the simple and sober Pythogorus formula on these sides of right triangle.
a2 + (a+d)2 = (a + 2d)2
a2 + d- 2ad = 4d
(a ... | HuggingFaceTB/finemath | |
The OEIS is supported by the many generous donors to the OEIS Foundation.
Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 59th year, we have over 358,000 sequences, and we’ve crossed 10,300 citations (which often say “discove... | HuggingFaceTB/finemath | |
# Simplified risk game: writing a pratical Minimax objective for mixed integer programming
### Problem
To ensure fairness of the game, I am writing a bot that plays against itself. I have trouble rewriting a minimax objective to a practical maximization in mixed integer programming. The amount of units is non-discret... | HuggingFaceTB/finemath | |
# Methods and formulas for probability plot in Parametric Distribution Analysis (Right Censoring)
## Probability plot
A probability plot includes the following:
• Plot points, which are the estimated percentiles for corresponding probabilities of an ordered data set.
• Fitted line, which is the expected percentile fr... | HuggingFaceTB/finemath | |
Q:
# The coordinates of the vertices of quadrilateral JKLM are J(−4, 1) , K(2, 3) , L(5, −3) , and M(0, −5) . Drag and drop the choices into each box to correctly complete the sentences.
Accepted Solution
A:
Given that the coordinates of the vertices of quadrilateral JKLM are J(−4, 1) , K(2, 3) , L(5, −3) , an... | HuggingFaceTB/finemath | |
## College Algebra (10th Edition)
We know the following equation for continuously compounding interest: $$A=Pe^{rt}$$ Where: P is the principal. A is the amount at the given time. r is the rate, expressed as a decimal. t is the time, in years. Thus, we obtain: $$A=1000e^{.11*2} \\ A= 1246.07$$ | HuggingFaceTB/finemath | |
# IB Physics/Quantum and Nuclear Physics
## 13.1 Atoms and their constituents
### 13.1.1
Millikan's oil drop experiment involved first producing small droplets of oil with an atomiser. Some of these then fell through a small hole, and into a region between two fields. Using a variable resistance, the strength of the... | HuggingFaceTB/finemath | |
Date: Fri, 08 Jul 94 15:24:30 -0400
From: der Mouse <mouse@collatz.mcrcim.mcgill.edu >
Subject: Re: SBP "Magic sQ"
``` Sliding Block Puzzle "Magic sQ"
Fig.1 is incomplete. +---+---+---+
Can you complete a magic square | 2 | 9 | 4 |
with minimum sliding st... | HuggingFaceTB/finemath | |
# Semigroup action
In algebra and theoretical computer science, an action or act of a semigroup on a set is a rule which associates to each element of the semigroup a transformation of the set in such a way that the product of two elements of the semigroup (using the semigroup operation) is associated with the composi... | HuggingFaceTB/finemath | |
Physics for Scientists and Engineers: A Strategic Approach with Modern Physics (4th Edition)
(a) $v_0 = 12.3~m/s$ (b) The maximum height above the ground is 0.90 meters.
(a) $x = \frac{v_0^2~sin(2\theta)}{g}$ $v_0^2 = \frac{gx}{sin(2\theta)}$ $v_0 = \sqrt{\frac{gx}{sin(2\theta)}}$ $v_0 = \sqrt{\frac{(9.80~m/s^2)(10~m)... | HuggingFaceTB/finemath | |
# What torque would have to be applied to a rod with a length of 6 m and a mass of 8 kg to change its horizontal spin by a frequency 4 Hz over 5 s?
Dec 23, 2016
tau≈121Nm
#### Explanation:
The net torque, $\tau$, can be expressed in terms of the moment of inertia and angular acceleration, where $\tau = I \alpha$.
... | HuggingFaceTB/finemath | |
# Continous function in interval problem
1. Nov 7, 2015
### nuuskur
1. The problem statement, all variables and given/known data
Let $f: [0,2]\to\mathbb{R}$ be continous and $f(0) = f(2)$. Show that there exist $x,y\in [0,2]$ with the following property:
$(*)\ y-x = 1$ and $f(x) = f(y)\ (*)$
2. Relevant equations
Bo... | HuggingFaceTB/finemath | |
Contents
group theory
# Contents
## Definition
A finite abelian group is a group which is both finite and abelian.
## Properties
As any finite group, a finite abelian group is pure torsion.
###### Proposition
If a finite abelian group $A$ has order ${\vert A \vert} = p$ a prime number, then it is the cyclic gro... | HuggingFaceTB/finemath | |
## Monday, 15 September 2014
### MORE ROTATIONALDYNAMICS PROBLEMS AND SOLUTIONS
Problem 1:
A single particle of mass 1 kg, starting from rest, experiences a torque that causes it to accelerate in a circular path of radius 2 m, completing a full revolution in 1 second. What is the work done by the torque over this ful... | HuggingFaceTB/finemath | |
# Calculus
Let f be the function given by f(x)=(x^3)/4 - (x^2)/3 - x/2 + 3cosx. Let R be the shaded region in the second quadrant bounded by the graph of f, and let S be the shaded region bounded by the graph of f and line l, the line tangent to the graph of f at x=0. Graph shown through link.
h t t p://goo.gl/GWQlw
... | HuggingFaceTB/finemath | |
Advanced Concepts for Applied Statistics in Healthcare
# 41 Using Webulator Applications to Compute Sample Size
In this chapter, we will work through four different approaches to sample size calculations using bespoke Webulators based on probabilistic formulae.
# 1. Determining Sample Size for a Simple Random Sample... | HuggingFaceTB/finemath | |
Question
# The number of terms that you get on simplifying (3x + 5) (x - 4) is ___
Solution
## (3x + 5) (x - 4) = 3x(x - 4) + 5(x - 4) (using distributive property) = 3x2 - 12x + 5x - 20 = 3x2 - 7x - 20 So, there are 3 terms. Mathematics
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