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Tuesday
May 3, 2016
# Homework Help: Probability
Posted by Heath on Friday, February 2, 2007 at 12:29pm.
Roll 3 dice. What is the probability of getting a sum of:
A) sum of 7: 15/216
B) sum of 8: 21/216
C) sum of 11: 27/216
D) sum of 12: 25/216
Are these correct?
How many ways are there to choose 3 numbers rang... | HuggingFaceTB/finemath | |
What is % that ?
### X out of Y together a percent Calculator
What is the end of ?
### X is Y Percent the What Calculator
is % the what?
Using this device you have the right to find any type of percentage in 3 ways. So, us think you got to us in search of answers like:1) What is 20 percent (%) that 12000?2) 20 is ... | HuggingFaceTB/finemath | |
# 8. Social Security numbers assigned in Michigan begin with the number 3. The second number must be 6, 7, or 8. The other 7 digits can be any digit. Find the number of possible Michigan Social Security num- bers.
30 0
Get full Expert solution in seconds
\$1.97 ONLY
s it is mention that first place can be filled by... | HuggingFaceTB/finemath | |
2014-12-09T19:54:12-05:00
Whatever x or y equals you plug it into the other equation
example:
-5x + y = -23
y = -3x + 9
-5x -3x + 9 = -23
-8x + 9 = -23
-9
---------------------
-8x = -32
-----------------
-8
x= 4
y = -3x + 9
y= -3 (4) +9
y= -12 +9
y= -3
(4,-3) | HuggingFaceTB/finemath | |
# Visualising the kernel of a homomorphism and quotient groups
I am trying to represent myself quotient groups and I'm having trouble seeing what the kernel of a homomorphism : $\Phi: G \rightarrow G/H$ is (be it a ring homomorphism or a group homomorphism).
I understand that $\mathbb{Z}/n\mathbb{Z}$ is a quotient gr... | HuggingFaceTB/finemath | |
Search a number
42460 = 22511193
BaseRepresentation
bin1010010111011100
32011020121
422113130
52324320
6524324
7234535
oct122734
964217
1042460
11299a0
12206a4
1316432
141168c
15c8aa
hexa5dc
42460 has 24 divisors (see below), whose sum is σ = 97776. Its totient is φ = 15360.
The previous prime is 42457. The next prim... | HuggingFaceTB/finemath | |
# 1023073 (number)
1,023,073 (one million twenty-three thousand seventy-three) is an odd seven-digits composite number following 1023072 and preceding 1023074. In scientific notation, it is written as 1.023073 × 106. The sum of its digits is 16. It has a total of 2 prime factors and 4 positive divisors. There are 998,... | HuggingFaceTB/finemath | |
<img src="https://d5nxst8fruw4z.cloudfront.net/atrk.gif?account=iA1Pi1a8Dy00ym" style="display:none" height="1" width="1" alt="" />
You are viewing an older version of this Concept. Go to the latest version.
Basic Exponential Functions
Functions where the input variable is found in the exponent.
Estimated11 minsto c... | HuggingFaceTB/finemath | |
# Probability Distributions
## Uniform Distribution
The uniform distribution on the interval $\left[a,b\right]$ has density $f\left(x\right)=\left\{\begin{array}{ll}\frac{1}{b-a},& \text{if}\phantom{\rule{1em}{0ex}}x\in \left[a,b\right]\\ 0& \text{otherwise}\end{array}.$
## Normal Distribution
A random vector $X$ o... | HuggingFaceTB/finemath | |
## Conversion formula
The conversion factor from inches to yards is 0.027777777777778, which means that 1 inch is equal to 0.027777777777778 yards:
1 in = 0.027777777777778 yd
To convert 229 inches into yards we have to multiply 229 by the conversion factor in order to get the length amount from inches to yards. We ... | HuggingFaceTB/finemath | |
# R - Vectors
Vectors are the most basic R data objects and there are six types of atomic vectors. They are logical, integer, double, complex, character and raw.
## Vector Creation
### Single Element Vector
Even when you write just one value in R, it becomes a vector of length 1 and belongs to one of the above vect... | HuggingFaceTB/finemath | |
# What is the initial speed of the ball?
1. Sep 17, 2010
### gap0063
1. A home run is hit such a way that the baseballjust clears a wall 27 m high located 147 mfrom home plate. The ball is hit at an angleof 37◦ to the horizontal, and air resistance isnegligible. Assume the ball is hit at a heightof 1 m above the gro... | HuggingFaceTB/finemath | |
# Funny identities [closed]
Here is a funny exercise $$\sin(x - y) \sin(x + y) = (\sin x - \sin y)(\sin x + \sin y).$$ (If you prove it don't publish it here please). Do you have similar examples?
## closed as primarily opinion-based by Najib Idrissi, user98602, user147263, apnorton, user2345215Jan 31 '15 at 18:16
M... | HuggingFaceTB/finemath | |
Count Numbers with N digits which consists of odd number of 0’s
• Difficulty Level : Easy
• Last Updated : 21 Aug, 2022
We are given a number N. The task is to find the count of numbers which have N digits and odd number of zeroes.
Note: The number can have preceding 0’s.
Examples
```Input : N = 2
Output : Count =... | HuggingFaceTB/finemath | |
Mathematics
OpenStudy (anonymous):
What is the sum of an 8-term geometric sequence if the first term is 10 and the last term is 781,250?
OpenStudy (anonymous):
ok im really not sure since i did it last year but i think that u need to find common ratio. 781,250=10*r^7. take the 7th root so r=5. from there use ur geom... | HuggingFaceTB/finemath | |
Browse Questions
# Some equip-potential surfaces are shown in figures. What can you say about the magnitude and direction of the electric field
The electric field will be at angle making an angle $120^{\circ}$ with x-axis.
Magnitude of electric field $E \cos 120^{\circ}=-\large\frac{(20-10)}{(20-10) \times 10^{-2}}-$... | HuggingFaceTB/finemath | |
Equations for Big Bang expansion, distance and energy
On the back page of the CPEP poster “The History and Fate of the Universe” a table gives distance scale (size), temperature, and energy (radiation) for seven expansion times (10-43 sec to now). http://www.cpepphysics.org/main_universe/history-chart.html
I have a r... | HuggingFaceTB/finemath | |
# PSEB 4th Class Maths MCQ Chapter 8 Perimeter and Area
Punjab State Board PSEB 4th Class Maths Book Solutions Chapter 8 Perimeter and Area MCQ Questions and Answers.
## PSEB 4th Class Maths Chapter 8 Perimeter and Area MCQ Questions
Question 1.
Sum of the length of all sides of a closed figure is called ………
(a) Per... | HuggingFaceTB/finemath | |
Free problems arranged by topic
Kinematics Dynamics Conservation laws Thermodynamics Waves Electricity Magnetism Optics Fluids and elasticity Ideal gas AC current
Free problems: all problems
Kinematics Dynamics Conservation laws Thermodynamics Waves Electricity Magnetism Optics Fluids and elasticity Ideal gas AC cu... | HuggingFaceTB/finemath | |
## Conversion formula
The conversion factor from minutes to weeks is 9.9206349206349E-5, which means that 1 minute is equal to 9.9206349206349E-5 weeks:
1 min = 9.9206349206349E-5 wk
To convert 204 minutes into weeks we have to multiply 204 by the conversion factor in order to get the time amount from minutes to wee... | HuggingFaceTB/finemath | |
Solutions by everydaycalculation.com
## Divide 35/40 with 2/70
35/40 ÷ 2/70 is 245/8.
#### Steps for dividing fractions
1. Find the reciprocal of the divisor
Reciprocal of 2/70: 70/2
2. Now, multiply it with the dividend
So, 35/40 ÷ 2/70 = 35/40 × 70/2
3. = 35 × 70/40 × 2 = 2450/80
4. After reducing the fraction, t... | HuggingFaceTB/finemath | |
# $X_n\leq Y_n$ implies $\liminf X_n \leq \liminf Y_n$ and $\limsup X_n \leq \limsup Y_n$
Can anyone prove this question? I tried but I didn't get any I idea, so I hope someone can solve it.
Let $X_n\leq Y_n$ for each $n\in \Bbb N$. Show that $\liminf X_n \leq \liminf Y_n$ and $\limsup X_n \leq \limsup Y_n$.
Please ... | HuggingFaceTB/finemath | |
# Answers
Solutions by everydaycalculation.com
## Compare 24/40 and 40/5
1st number: 24/40, 2nd number: 8 0/5
24/40 is smaller than 40/5
#### Steps for comparing fractions
1. Find the least common denominator or LCM of the two denominators:
LCM of 40 and 5 is 40
2. For the 1st fraction, since 40 × 1 = 40,
24/40 =... | HuggingFaceTB/finemath | |
## Big Ideas Math - Algebra 1, A Common Core Curriculum
$2\sqrt{3}$
The given expression is $=\sqrt{b^2-4ac}$ The given values are $a=3,b=-6$ and $c=2$ Substitute all the values into the expression. $=\sqrt{(-6)^2-4(3)(2)}$ Simplify. $=\sqrt{36-24}$ Subtract. $=\sqrt{12}$ $=2\sqrt{3}$. | HuggingFaceTB/finemath | |
# Class 12 Physics MCQ – Equipotential Surfaces
This set of Class 12 Physics Chapter 2 Multiple Choice Questions & Answers (MCQs) focuses on “Equipotential Surfaces”.
1. What is the nature of equipotential surfaces in case of a positive point charge?
a) Circular
b) Spherical
c) Cubical
d) Cylindrical
Explanation: We... | HuggingFaceTB/finemath | |
# How do you find the domain and range of arcsin(3x+1)?
Oct 29, 2017
Domain: $x \in \left[- \frac{2}{3} , 0\right]$
Range: $y \in \left[- \frac{\pi}{2} , \frac{\pi}{2}\right]$
#### Explanation:
It is easy if you treat it as a transformation of your basic $\arcsin$ graph, knowing that the domain is $\left[- .1 , 1\r... | HuggingFaceTB/finemath | |
# 50% of all the cakes jenny baked that week were party cakes I/5 were fruit cakes and the remainer were sponge cakes what's percentage of cakes were sponge
2
2014-10-28T19:40:37-04:00
So.. 1/5=20%
50%+20%=70%
100%-70%= 30%
So 30% were sponge
2014-10-28T19:46:28-04:00
Hiiiii IM GABBY AND IM HERE TO HELP ! :)
okay... | HuggingFaceTB/finemath | |
Solutions by everydaycalculation.com
## 33 is what percent of 85?
33 of 85 is 38.82%
Reference: Percentage Calculator
#### Working out percentages
1. 33 of 85 can be wriiten as:
33/85
2. Multiply both numerator & denominator by 100
33/85 × 100/100 = 38.82/100 = 38.82%
If you are using a calculator, simply enter ... | HuggingFaceTB/finemath | |
## Precalculus (6th Edition) Blitzer
To plot the point $(r, \theta )=(-2, -\frac{\pi }{2} )$, begin with the $-\frac{\pi }{2}$ angle. Because $-\frac{\pi }{2}$ is a negative angle, draw $\theta = -\frac{\pi }{2}$ clockwise from the polar axis. Now consider $r=-2$. Because $r \lt 0$, plot the point by going out two uni... | HuggingFaceTB/finemath | |
3 number : définition de 3 number et synonymes de 3 number (anglais)
Mon compte
connexion
inscription
Publicité ▼
## définition - 3 number
voir la définition de Wikipedia
Wikipedia
# 3 (number)
3
Cardinal 3
three
Ordinal 3rd
third
Numeral system ternary
Factorization prime
Divisors 1, 3
Roman numeral III
Rom... | HuggingFaceTB/finemath | |
## 180120
180,120 (one hundred eighty thousand one hundred twenty) is an even six-digits composite number following 180119 and preceding 180121. In scientific notation, it is written as 1.8012 × 105. The sum of its digits is 12. It has a total of 7 prime factors and 64 positive divisors. There are 44,928 positive inte... | HuggingFaceTB/finemath | |
# Transforming Functions
Let's continue where we left off at the end of the last quiz. Even though we don't know the equation for the function below, we know adding or subtracting the value $$Z$$ to the output will cause the entire graph to shift up or down.
$y = f(x) + Z$
The key realization here is that we don't n... | HuggingFaceTB/finemath | |
## How do you find the applied force?
AnswersW = Fd, where W is the work done on an object, F is the force exerted on the object, and d is the distance the object moves. Now calculate the “lift” force:Then substitute this into the formula for work, along with the calculated distance.
## What is applied force?
An app... | HuggingFaceTB/finemath | |
Luckbox is fascinated by pi. It’s irrational, transcendental and non-repeating—plus it’s getting some competition from another Greek.
The Secret Ingredient in Pi
Pi, defined as the ratio of the circumference of a circle to its diameter, yields a number between 3 and 4, but closer to 3. In the late 18th century, Swiss... | HuggingFaceTB/finemath | |
# FFT butterfly input index
I am trying to determine a "simple" way to compute which inputs of a FFT need to "butterfly" together for its various stages. I am looking at a diagram like this: In that diagram of a $16$ point FFT,
• For stage 1: 0 butterflies with 8, 4 butterflies with 12, and so on.
• For stage 2: 0 bu... | HuggingFaceTB/finemath | |
# How does one simplify exponents for complex primitive nth roots of unity?
Let us define a complex primitive N-th root of unity, omega: $$\omega = \cos(\theta) + i\sin(\theta) \\ = e^{\frac{2\pi}{N}}$$
By the definition of an nth root of unity, ω is the second solution to the equation x^N = 1. Can someone explain to... | HuggingFaceTB/finemath | |
Open access peer-reviewed chapter
Detection of Pathogens Using Microfluidics and Biosensors
By Natalia Lopez-Barbosa, Ana Lucia Campaña, Mabel Juliana Noguera, Sergio Leonardo Florez, Miguel Angel Aroca, Juan C. Cruz and Johann F. Osma
Submitted: May 22nd 2017Reviewed: November 14th 2017Published: December 20th 2017... | open-web-math/open-web-math | |
My Math Forum Questions in derivatives
Calculus Calculus Math Forum
November 4th, 2010, 09:24 AM #1 Senior Member Joined: Oct 2009 Posts: 895 Thanks: 1 Questions in derivatives Questions in derivatives hi all the slope of the tangent line to the curve y = pi sinc at x = pi/2 = ... I can't understand like this que... | HuggingFaceTB/finemath | |
Associated Topics || Dr. Math Home || Search Dr. Math
### Why Is (-n)^fractional Invalid ?
```Date: 05/26/2003 at 18:01:52
From: Richard
Subject: Why is (-n)^fractional invalid ?
Dear Dr. Math,
I recently ran into an odd problem. The problem is with negative
numbers being raised to a fractional exponent. Apparently... | HuggingFaceTB/finemath | |
## Proof that 1 = 2
- HD качество не упорядочиватьпо дате добавленияпо количеству просмотровпо рейтингупо названию не сортировать по временикороткое видео до 4 минутсреднее видео от 4 до 20длинное видео от 20 минут
В базе 1000000 видео Proof that 1 = 2. Загружен 12 июня 2011 Using algebra and a little deception, Mr.... | HuggingFaceTB/finemath | |
# P.o.t.W. #13 Solution
If the three angles of the triangle form an arithmetic sequence, then the middle angle must be $$60^\circ$$.This can be explained as follows. Let the three angles be $${\theta _1},{\theta _2}$$ and $${\theta _3}$$, in order from smallest to largest. Given that the angles are consecutive terms o... | HuggingFaceTB/finemath | |
Chapter 1 The Nature of Science and Physics
# 1.7 Significant Figures (Originally from OpenStax College Chemistry 1st Canadian Edition)
### Learning Objectives
1. Apply the concept of significant figures to limit a measurement to the proper number of digits.
2. Recognize the number of significant figures in a given ... | HuggingFaceTB/finemath | |
Multiply. (8x4)(6x3)(-5x6)
Question
Updated 6/8/2014 3:49:40 PM
This conversation has been flagged as incorrect.
Flagged by andrewpallarca [6/8/2014 3:48:47 PM]
Original conversation
User: Multiply. (8x4)(6x3)(-5x6)
ArslanBasit|Points 1795|
User: Multiply. -9x4(5x - 2)
Weegy: If 5x - 3 < 7 then x<2.
emdroberts|Point... | HuggingFaceTB/finemath | |
# 1371 Today is a Good Day to Review Proof by Induction
0² = 0
1² = 1
Does that pattern hold for all natural numbers? Could we claim that n² = n?
Yes, we can, and I’ve written a proof to prove it! The proof uses a valuable concept in mathematics called induction. I remember being introduced to proofs by induction ... | HuggingFaceTB/finemath | |
# Divisibility Rules
In addition to the revision notes for Divisibility Rules on this page, you can also access the following Arithmetic learning resources for Divisibility Rules
Arithmetic Learning Material
Tutorial IDTitleTutorialVideo
Tutorial
Revision
Notes
Revision
Questions
1.6Divisibility Rules
In these revis... | HuggingFaceTB/finemath | |
# The User Data Marketplace
Last updated on December 29, 2014
There is a nascent and potentially large opportunity to create a user data marketplace, whereby users have full control of which and how their personal data is collected and used.
## The Consumer View
Our activity on the Internet leaves behind a trail of... | open-web-math/open-web-math | |
# Voltage
Voltage Batteries are sources of voltage in many electric circuits
Common symbols
V , V
U , U
SI unit volt
Voltage, electric potential difference, electric pressure or electric tension (denoted V or U) is the difference in electric potential energy between two points per unit electric charge. The voltage be... | HuggingFaceTB/finemath | |
Mathwizurd.com is created by David Witten, a mathematics and computer science student at Vanderbilt University. For more information, see the "About" page.
## Jan 22 Significant Figures
In science, significant figures mean all of the numbers, besides the leading and cushioning zeroes. (e.g. 12,000,000,000,000,000,000... | HuggingFaceTB/finemath | |
Solutions by everydaycalculation.com
## Compare 90/36 and 90/35
1st number: 2 18/36, 2nd number: 2 20/35
90/36 is smaller than 90/35
#### Steps for comparing fractions
1. Find the least common denominator or LCM of the two denominators:
LCM of 36 and 35 is 1260
Next, find the equivalent fraction of both fractiona... | HuggingFaceTB/finemath | |
# Divisors of 75350
## Divisors of 75350
The list of all positive divisors (that is, the list of all integers that divide 22) is as follows :
Accordingly:
75350 is multiplo of 1
75350 is multiplo of 2
75350 is multiplo of 5
75350 is multiplo of 10
75350 is multiplo of 11
75350 is multiplo of 22
75350 is multi... | HuggingFaceTB/finemath | |
Categories
## Binomial Pricing Trees in R
Binomial Tree Simulation
The binomial model is a discrete grid generation method from $$t=0$$ to $$T$$. At each point in time ($$t+\Delta t$$) we can move up with probability $$p$$ and down with probability $$(1-p)$$. As the probability of an up and down movement remain cons... | HuggingFaceTB/finemath | |
# R solve() Equation with Examples
R solve() is a generic function that solves the linear algebraic equation `a %*% x = b` for `x`, where `b` can be either a vector or a matrix. For example 10 * x = 20, in this equation, 10 is the coefficient; 20 is a constant and solve() calculates x which is 2.
## 1. Quick Examples... | HuggingFaceTB/finemath | |
# Minimum number of swaps required to sort an array | Set 2
• Difficulty Level : Medium
• Last Updated : 03 Mar, 2021
Given an array of N distinct elements, find the minimum number of swaps required to sort the array.
Note: The problem is not asking to sort the array by the minimum number of swaps. The problem is to... | HuggingFaceTB/finemath | |
Journal cover Journal topic
Annales Geophysicae An interactive open-access journal of the European Geosciences Union
Journal topic
Ann. Geophys., 37, 77-87, 2019
https://doi.org/10.5194/angeo-37-77-2019
Ann. Geophys., 37, 77-87, 2019
https://doi.org/10.5194/angeo-37-77-2019
Regular paper 31 Jan 2019
Regular paper | 3... | open-web-math/open-web-math | |
# Can you make 4 triangles with 6 match sticks?
## Can you make 4 triangles with 6 match sticks?
The rules are simple: using 6 matchsticks, create 4 equilateral triangles. All 4 triangles have to be the same size, and the sides of each triangle have to be one matchstick long. It sounds impossible, and 99% of the time... | HuggingFaceTB/finemath | |
# How Many Tablespoons Is 1 4 Cup?
You may have seen recipes that call for a teaspoon and a tablespoon, but you might be wondering how to convert between the two. The truth is that the cups are the same, but the measurement is different. For instance, a quarter cup contains four tablespoons. Using the same measurement... | HuggingFaceTB/finemath | |
This Solver model uses the QUADPRODUCT function at cell I14 to compute the portfolio variance. It can be solved for the minimum variance using either the GRG nonlinear solver or the Quadratic Solver. Stock 1 Stock 2 Stock 3 Stock 4 Stock 5 Total Portfolio % 20.00% 20.00% 20.00% 20.00% 20.00% 100.00% Expected Return 7.0... | HuggingFaceTB/finemath | |
# Precalculus
1. A man stands 12 feet from a statue. The angle of elevation from the eye level to the top of the statue is 30 degrees, and the angle of depression to the base of the statue is 15. How tall in the statue?
2. Two boats lie on a straight line with the base of a lighthouse. From the top of the lighthouse,... | HuggingFaceTB/finemath | |
## Credits
velagapudi ramakrishna siddhartha engineering college (vr siddhartha engineering college), vijayawada
Shareef Alex has created this Calculator and 50+ more calculators!
National Institute Of Technology (NIT), Hamirpur
Anshika Arya has verified this Calculator and 1000+ more calculators!
## Weight of water ... | HuggingFaceTB/finemath | |
# Frequent question: What is the probability of getting a sum of 6 on two dice?
Contents
Answer: The probability of rolling a sum of 6 with two dice is 5/36.
## How many times can you roll a sum of 6 with two dice?
Explanation: When two dices are rolled , there are 6×6=36 outcomes of the type (x,y) , where x is out... | HuggingFaceTB/finemath | |
## 21938
21,938 (twenty-one thousand nine hundred thirty-eight) is an even five-digits composite number following 21937 and preceding 21939. In scientific notation, it is written as 2.1938 × 104. The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors. There are 9,396 positive integers (... | HuggingFaceTB/finemath | |
• This is an assessment test.
• To draw maximum benefit, study the concepts for the topic concerned.
• Kindly take the tests in this series with a pre-defined schedule.
## Arithmetic : Level 2 Test -5
Congratulations - you have completed Arithmetic : Level 2 Test -5. You scored %%SCORE%% out of %%TOTAL%%. Your perfor... | HuggingFaceTB/finemath | |
# Wanted: Formulae for calculating distance between coordinates
## Recommended Posts
I'm trying to create my own distance calculator, but I don't know the formulae for calculating the distance between two sets of coordinates. IIRC, the distance that corresponds to a degree of longitude depends upon the latitude with ... | HuggingFaceTB/finemath | |
## Conversion formula
The conversion factor from days to months is 0.032854884083862, which means that 1 day is equal to 0.032854884083862 months:
1 d = 0.032854884083862 mo
To convert 600 days into months we have to multiply 600 by the conversion factor in order to get the time amount from days to months. We can al... | HuggingFaceTB/finemath | |
# 0 1 Knapsack problem 1 0 1 Knapsack
• Slides: 5
Download presentation 0 -1 Knapsack problem 1 0 -1 Knapsack problem with Greedy Algorithm Usually, a greedy algorithm tries to obtain the optimal solution to a problem by making a sequence of choices. At each decision point, the algorithm chooses the locally optimal s... | HuggingFaceTB/finemath | |
LAPACK 3.6.1 LAPACK: Linear Algebra PACKage
subroutine clargv ( integer N, complex, dimension( * ) X, integer INCX, complex, dimension( * ) Y, integer INCY, real, dimension( * ) C, integer INCC )
CLARGV generates a vector of plane rotations with real cosines and complex sines.
Purpose:
``` CLARGV generates a vector... | HuggingFaceTB/finemath | |
# 7 the product of two positive numbers is 100 what
• Homework Help
• 18
• 95% (19) 18 out of 19 people found this document helpful
This preview shows page 9 - 15 out of 18 pages.
7.The product of two positive numbers is 100. What numbers will produce the leastpossible sum? Confirm that the sum is in fact a minimum.... | HuggingFaceTB/finemath | |
# Nim
Standard
Nim is a very old game with precise mathematical theory, and one player can always force a win.
The game is Nim is played as follows: Any number of matches/pebbles are arranged in heaps, the number of heaps and the number matches/pebbles in each heap, being arbitrary. There are two players, A and B. ... | HuggingFaceTB/finemath | |
## Simplifying Expressions Exercise
1. Simplify:
(a) 4y − 2y (d) 13x 4 − 6x4 + 4x4 (b) 3x + 2x − x (e) 5ab + 3ab − 2ab (c) q2 + 3q 2 − 2q 2 (f) 6xy 2 − 8xy2 − xy 2
2. For each of the following sets, list the two sets of like terms:
(a) {a, 3, 2a, 4, -4a}
(b) {3a, , -3b, -6a, 7b}
(c) {p 2q, 2qp 2, 4q 2p, 3qp2}
3... | HuggingFaceTB/finemath | |
# Difference between revisions of "User:Kkumar"
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## Segment 1. Let's Talk about Probability
### Problems
#### To Calculate
1. Prove that $P(ABC) = P(B)P(C|B)P(A|BC)$
We know from Conditional Probability that, $P(B|A) = \frac{P(AB)}{P(A)}$
\begin{align}P(B)P(C|B)P(A|BC) &= P(B)\te... | HuggingFaceTB/finemath | |
Jump to a New ChapterIntroduction to the SAT IIContent and Format of the SAT II Math IICStrategies for SAT II Math IICMath IIC FundamentalsAlgebraPlane GeometrySolid GeometryCoordinate GeometryTrigonometryFunctionsStatisticsMiscellaneous MathPractice Tests Are Your Best Friends
7.1 Prisms 7.2 Solids That Aren’t Prisms... | HuggingFaceTB/finemath | |
In what circumstances can $\dfrac{aA+b}{cA+d}$ be rational?
I am working on the chapter one practice problems in Hardy and cannot seem to figure it out. My attempt has actually left me with a result contrary to what the question is looking for.
The Question
In what circumstances can $\dfrac{aA+b}{cA+d}$ be rational,... | open-web-math/open-web-math | |
Algebra Tutorials! Saturday 16th of February
Try the Free Math Solver or Scroll down to Tutorials!
Depdendent Variable
Number of equations to solve: 23456789
Equ. #1:
Equ. #2:
Equ. #3:
Equ. #4:
Equ. #5:
Equ. #6:
Equ. #7:
Equ. #8:
Equ. #9:
Solve for:
Dependent Variable
Number of inequalities t... | HuggingFaceTB/finemath | |
# Absolute Value of a Complex Number
The complex number is defined as the number in the form a+ib, where a is the real part while ib is the imaginary part of the complex number in which i is known as iota and b is a real number. The value of i is √(-1). Or in other words, a complex number is a combination of real and ... | HuggingFaceTB/finemath | |
# Math Snap
## Which of the following is equivalent to the expression $1,000(16)^{\left(\frac{1}{4}\right)(t+2)}$ ? $16,000^{\left(\frac{1}{4}\right)(t+2)}$ $4000(2)^{t}$ $4000^{t+2}$ $2000(4)^{t}$
#### STEP 1
Assumptions 1. We are given the expression $1,000(16)^{\left(\frac{1}{4}\right)(t+2)}$. 2. We need to find ... | HuggingFaceTB/finemath | |
# Do Away With Geometric Proofs
Discussion in 'Off-Topic Chat' started by nycmathguy, Jun 28, 2022.
1. ### nycmathguy
Joined:
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Is it really necessary to teach direct and indirect geometric proofs using the statement vs reason chart? What is a better, easier method for this goal?
nycm... | HuggingFaceTB/finemath | |
# Statistical Significance Calculator’s A/B Testing Use to Analyze Data
#### Sourabh Sharma| Last updated: May 21, 2020 | 0 Comments
If you’ve ever read a capricious headline like, “Eating dirt can be good for the belly, researchers find” you’ve presumably doubted how that could be possible.
If you look closely at t... | HuggingFaceTB/finemath | |
Houghton Mifflin Textbook -
Ā Ā Student Success Organizer ACE Practice Tests Graphing Technology Guide Graphing Calculator Programs Chapter Projects Historical Notes Ā Textbook Site for: Precalculus with Limits: A Graphing Approach, Fourth Edition Student Success Organizer
Some resources on this... | HuggingFaceTB/finemath | |
Home / Arithmetic Aptitude / Compound Interest :: Discussion
Discussion :: Compound Interest
1. An amount of money was lent for 3 years. What will be the difference between the simple and the compound interest earned on it at the same rate?
I .The rate of interest was 8 p.c.p.a.
II .The total amount of simple inte... | HuggingFaceTB/finemath | |
## Algebra 1
$n=\frac{8}{3}, -\frac{8}{3}$ or, $n= \pm \frac{8}{3}$
$9v^2-64=0$ To solve the expression for getting the value of $v$ we will take the help of factorziation. $(3v+8)(3v-8)=0$ $n=\frac{8}{3}, -\frac{8}{3}$ or, $n= \pm \frac{8}{3}$ | HuggingFaceTB/finemath | |
# Calculate the potential at a point P due to a charge of $4 \times 10^{–7}C$ located $9\; cm$ away.
## 1 Answer
$q= 4 \times 10^{-7}\;C$
$r= 9\;cm=9 \times 10^{-2}\;m$
$V=?$
$V=\large\frac{1}{4 \pi \in_0 }\frac{q}{r}$$=9 \times 10^{9} NM^2 C^{-2} \times \large\frac{4 \times 10^{-7}C}{9 \times 10^{-2} m}$
$\qquad=4 \... | HuggingFaceTB/finemath | |
# Ag Zn Redox Reaction
Chem 481 Chapter 6 Answers to the Sixth Assignment Topic: Redox and p-block elements. This type of reaction is also called electrolysis. Balancing redox reactions can be tricky and we have a method for that too. Adding the two half-reaction equations gives the overall redox reaction equation. Ba... | open-web-math/open-web-math | |
# How would you determine the magnitude of the magnetic force on each of the four sides?
## A square coil of wire containing a single turn is placed in a uniform $0.20 T$ magnetic field, as the drawing shows. Each side has a length of $0.32 m$, and the current in the coil is $12 A$. Mar 7, 2016
Upper and lower sides ... | HuggingFaceTB/finemath | |
# evaluating composite functions using tables
You could rewrite this as, this is going to be the same thing as g of negative 6, and then h of that. times 4 minus 5, which is equal to 12 minus 5, which is equal to 7. So, g of negative 6 is equal to 3. g of negative 6 is equal to 3. g of negative 6 is equal to 3. number... | HuggingFaceTB/finemath | |
# Basic concepts of Algebra in Mathematics
Important Definitions and Basic Concepts of Algebra in Mathematics.
Image by Gerd Altmann from Pixabay
## What is Algebra?
Algebra is a branch of mathematics that deals with arithmetic operations on variables. These variables are represented by various symbols. Arithmetic ... | HuggingFaceTB/finemath | |
# Random Variable: What is it in Statistics?
Types of Variable > Random Variable
Contents:
## What is a Random Variable?
In algebra you probably remember using variables like “x” or “y” which represent an unknown quantity like y = x + 1. You solve for the value of x, and x therefore represents a particular number (... | HuggingFaceTB/finemath | |
# 2. The graph of a quartic polynomial is given below. Write the complete factored form. Youwill need to solve for a. You may assume that the point (0-32) is on the graph.
Question
Step 1
Given that y = f(x) is a quartic polynomial. So it has degree 4 and it pass through point (0,-32), which is the y intercept.
Here... | HuggingFaceTB/finemath | |
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# Investigating the period of a simple pendulum and measuring acceleration due to gravity.
Extracts from this docume... | HuggingFaceTB/finemath | |
# Why can we calculate moment of inertia, but not inertia?
I'm learning about rotational motion and the moment of inertia. Unlike inertia that I learned before, there is a formula to calculate rotational inertia. I'm having trouble understanding why it's possible to calculate inertia for a rotating object, but not a r... | HuggingFaceTB/finemath | |
<meta http-equiv="refresh" content="1; url=/nojavascript/"> Relations and Functions | CK-12 Foundation
You are reading an older version of this FlexBook® textbook: CK-12 Algebra I Concepts - Honors Go to the latest version.
# 3.2: Relations and Functions
Difficulty Level: Advanced Created by: CK-12
%
Progress
Practic... | open-web-math/open-web-math | |
The quadratic reciprocity theorem addresses the question of whether a number is a square modulo a prime. For an odd prime p, the Legendre symbol is defined to be 0 if a is a multiple of p, 1 if a is a (non-zero) square mod p, and -1 otherwise. It looks like a fraction, but it’s not. It acts something like a fraction, w... | HuggingFaceTB/finemath | |
# Define sin and cos trignometric functions
There are a number of trigonometric formulas and identities which denotes the relation between the functions and help to find the angles of the triangle. The six trigonometric functions are Sine, Cosine, Tangent, Secant, Cosecant and Cotangent. The trigonometric functions ar... | HuggingFaceTB/finemath | |
# Matrices
Lecture 2 : 20 April 2020
In this lecture, we will introduce the main characters in our story: matrices.
A matrix is a just a table of real numbers, like the following:
$\begin{pmatrix} 1 & 2 & 3 \\ 4 & 5 & 6 \\ 7 & 8 & 9 \\ 0.5 & -1 & 6 \end{pmatrix}$
Above we have a 4 × 3 matrix or (4,3)-matrix, prono... | HuggingFaceTB/finemath | |
# Equivalent Expressions - Examples, Exercises and Solutions
In previous articles, we have talked about what an algebraic expression is and how to get the numerical value of algebraic expressions. Today, we will cover equivalent expressions.
Equivalent expressions are two or more algebraic expressions that represent ... | HuggingFaceTB/finemath | |
# Question #3136f
Jun 21, 2016
No - no number, except $0$ itself.
#### Explanation:
If I understand your question properly, you're asking if you can divide a number by $2$ until you get to $0$. That is impossible for real numbers, with the exception of $0$ (because $0$ divided by anything is $0$).
The reason for t... | HuggingFaceTB/finemath | |
Posted on: 29/12/2020 in Senza categoria
Prime numbers have exactly 2 divisors, and highly composite numbers are in bold. This is a chart to list the first 1229 prime numbers between 1 and 10000. Is Minneapolis or St. Paul the city of Minnesota why I might people become confused about this? A composite number is a num... | HuggingFaceTB/finemath | |
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We always struggled to serve you with the best online calculations, thus, there's a humble request to either disable the AD blocker or go with premium plans to use the AD-Free version for calculators.
Or # Inverse Modulo Calculator
Select the type and input the number to ... | HuggingFaceTB/finemath | |
#### What is 3060 percent of 3,110?
How much is 3060 percent of 3110? Use the calculator below to calculate a percentage, either as a percentage of a number, such as 3060% of 3110 or the percentage of 2 numbers. Change the numbers to calculate different amounts. Simply type into the input boxes and the answer will upd... | HuggingFaceTB/finemath | |
# Tag Info
## Hot answers tagged singularity
12
No one knows what came before the Big Bang if, indeed, anything did. Theories include: The Ekpyrotic universe theory where the BB was the result of the collision of branes. Various oscillating universe theories where the expansion of the universe ultimately reverses in... | open-web-math/open-web-math | |
# Chapter 2, Functions - Section 2.6 - Transformations of Functions - 2.6 Exercises: 42
Refer to the blue graph below.
#### Work Step by Step
RECALL: (1) The function $y=-f(x)$ involves a reflection about the x-axis of the parent function $f(x)$. (2) The function $y=a\cdot f(x)$ involves a vertical stretch of the pa... | HuggingFaceTB/finemath |
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