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Jump to a New ChapterIntroduction to the SAT IIIntroduction to SAT II Math ICStrategies for SAT II Math ICMath IC FundamentalsAlgebraPlane GeometrySolid GeometryCoordinate GeometryTrigonometryFunctionsStatisticsMiscellaneous MathPractice Tests Are Your Best Friends
7.1 Prisms 7.2 Solids That Aren’t Prisms 7.3 Relating... | HuggingFaceTB/finemath | |
## Credits
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## Area of Hendecagon given perimeter Solution
STEP 0: Pre-Cal... | HuggingFaceTB/finemath | |
https://www.mathwarehouse.com/math-statements/logic-and-truth-values.php
In logic, a conjunction is a compound sentence formed by using the word and to join ... Pneumonic: the way to remember the symbol for disjunction is that, this ...
https://www.mathgoodies.com/lessons/vol9/disjunction
The symbol is a logical con... | HuggingFaceTB/finemath | |
The sum of two numbers is 40. When the first number is divided by the second, the quotient is 3 and the remainder is 8. Find the two numbers.
1
by princessmanio1
Answers
2016-07-05T05:42:52+08:00
X + y=40.......a.) ;
x/y=3 + 8/y;
x-8]/y=3;
x-8=3y............b.);
8+3y +y=40;
4y=32;
y=8...;
x=40-8;
x=32 | HuggingFaceTB/finemath | |
# TIFR2019-B-15
560 views
Consider directed graphs on $n$ labelled vertices $\{1,2, \dots ,n\}$, where each vertex has exactly one edge coming in and exactly one edge going out. We allow self-loops. How many graphs have exactly two cycles ?
1. $\sum_{k=1}^{n-1} k!(n-k)!$
2. $\frac{n!}{2}\bigg[\sum_{k=1}^{n-1} \frac... | HuggingFaceTB/finemath | |
Because our regression assumptions have been met, we can proceed to interpret the regression output and draw inferences regarding our model estimates. Once you do that, determining the percentiles of the standard normal curve is straightforward. This is the assumption of equal variance. As a result, the model will not ... | HuggingFaceTB/finemath | |
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# Quantitative Ability - Volume and Surface Area (Important Formulas)
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Home » How Far Is 1400 Feet? New Update
# How Far Is 1400 Feet? New Update
Let’s discuss the question: how far is 1400 feet. We summarize all relevant answers in section Q&A of website Achievetampabay.org in category: Blog Finance. See more related questions in the comments below.
## How far away is 1000 feet in mil... | HuggingFaceTB/finemath | |
# QNT561 Applied Business Research and Statistics-Complete Class
QNT 561 (Applied Business Research and Statistics)
WEEK 1
Week 1 – Individual Week One Practice Problems
Complete the following Week One Practice Problems in MyStatLab®:
Ch. 2 of Statistics for Business and Economics
o 2.37, 2.38, 2.44, 2.46, 2.54... | HuggingFaceTB/finemath | |
It can be shown that the number of linearly independent rows of a matrix is always equal to the number of linearly independent columns. We saw that $\bs{x}$ was not altered after being multiplied by $\bs{I}$. I have the matrix$$\begin{pmatrix} 1 & 5\\ 3 & 4 \end{pmatrix} \pmod{26}$$ and I need to find its inverse. Sinc... | HuggingFaceTB/finemath | |
a:4:{s:8:"template";s:10276:" {{ keyword }}
{{ text }}
";s:4:"text";s:1917:"Top. e x dx = e x + C Proof : ... Identidades Trigonomtricas (1/(secx + tanx)=secx - tanx) - Duration: 5:24. and find homework help for other Math questions at eNotes We have to find the Antiderivative of secx tanx. To find the antiderivative o... | HuggingFaceTB/finemath | |
Elementary Algebra Textbook & Test Bank Everyone
19
Elementary algebra
* Complete Textbook by OpenStax
* Multiple Choices Questions (MCQ)
* Essay Questions Flash Cards
* Key-Terms Flash Cards
https://www.quizover.com
1. Foundations
1.1. Introduction to whole numbers
1.2. Use the language of algebra
1.3. Add and sub... | HuggingFaceTB/finemath | |
# IQ Test Labs
### Logical reasoning
Logical thinking is the ability to make deductions that lead rationally to a certain conclusion. It is important to have good logic skills because they help you think things through and they also give you a good understanding of cause and effect relationships. In this test your lo... | HuggingFaceTB/finemath | |
# Find current and voltage using a schematic
I need to find current (labeled I) and voltage (labeled V).
I got I = 7.426 mA and V = 7.426V but I think it's wrong.
I know the formulas and all, but I just need to know how to combine the resistors (which ones are in parallel and which ones are in series?) I know that R... | HuggingFaceTB/finemath | |
# Five logicians with one or two hats [7,8,9]
There are five logicians seated around a table. They are blindfolded and hats are placed on their heads. After removing the blindfolds, they are told a true statement:
Each of you has either one hat or two hats on his head. The total number of hats is 7, 8 or 9.
The actu... | open-web-math/open-web-math | |
# Complete the Square (Min, Max)
Related Topics:
Common Core (Algebra)
Common Core for Mathematics
Examples, solutions, videos, and lessons to help High School students learn to choose and produce an equivalent form of an expression to reveal and explain properties of the quantity represented by the expression.
### ... | HuggingFaceTB/finemath | |
# Power and Torque
What is horsepower and torque?
We hear a lot about horsepower and torque, but what is the difference between them ?
1. Horsepower is engine speed dependent and is a calculated number from the measured torque:
P(kW) = T*n* C1 P = power T = Torque n = RPM C1= constant
Normally the unit is kilowatt... | HuggingFaceTB/finemath | |
# (Syllabus) ISAT 2012 Syllabus - Physics
## MECHANICS:
Units and Measurements: The international system of units, measurement of length, mass and time, accuracy, precision of instruments and errors in measurement, Significant figures, dimension of physical quantities, dimensional formulae and equations, dimensional ... | HuggingFaceTB/finemath | |
# Passive and Active Activities in the Flipped Classroom (Part 3)
So let’s take a look at the data: The third column shows the number of wireless connections in the corresponding year from the first column. The second column gives the revenue in each of those years. In College Algebra and Calculus, I have students do ... | HuggingFaceTB/finemath | |
# 255483 (number)
255,483 (two hundred fifty-five thousand four hundred eighty-three) is an odd six-digits composite number following 255482 and preceding 255484. In scientific notation, it is written as 2.55483 × 105. The sum of its digits is 27. It has a total of 3 prime factors and 6 positive divisors. There are 17... | HuggingFaceTB/finemath | |
## 824
824 (eight hundred twenty-four) is an even three-digits composite number following 823 and preceding 825. In scientific notation, it is written as 8.24 × 102. The sum of its digits is 14. It has a total of 4 prime factors and 8 positive divisors. There are 408 positive integers (up to 824) that are relatively p... | HuggingFaceTB/finemath | |
# Calculator operations and value of i.
1. Apr 12, 2012
### Mholnic-
Like many math newbies, complex numbers (or at least the idea of complex numbers) are a source of some confusion... but I've worked with them before and I'm reading through posts on PF that I hope will give me some sense of intuition about them. Th... | open-web-math/open-web-math | |
calc notes lecture 12
# Calc notes lecture - y and avoid implicit differentiation However that won’t always be the case For example it is difficult to express y as a
This preview shows pages 1–4. Sign up to view the full content.
Lecture Section Objectives Assignment 12 2.7 Implicit Differentiation 2.7: 1-39 eoo. Un... | HuggingFaceTB/finemath | |
1. ## Limit
Prove that if $f(x) and $\lim_{x \to \infty}f(x) = \lim_{x \to \infty}h(x)=L$, then $\lim_{x \to \infty}g(x)=L$.
Can we prove this by contradiction, assuming to the contrary that $\lim_{x \to \infty}g(x)\not = L$?
2. Here are several observations.
We have $0 \leqslant g(x) - f(x)\, \leqslant h(x) - f(x) ... | HuggingFaceTB/finemath | |
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##### Forces in an elevator
« on: May 07... | HuggingFaceTB/finemath | |
# How to calculate probability of particle survival for particle filter?
I'm trying to figure out a way that I can calculate the probability that a particle will survive the re-sampling step in the particle filter algorithm.
For the simple case of multinomial re-sampling, I can assume that we can model the process li... | HuggingFaceTB/finemath | |
Integer part and other little tricks (CASIO fx-50F) - Printable Version +- HP Forums (https://www.hpmuseum.org/forum) +-- Forum: Not HP Calculators (/forum-7.html) +--- Forum: Not remotely HP Calculators (/forum-9.html) +--- Thread: Integer part and other little tricks (CASIO fx-50F) (/thread-7772.html) Integer part an... | HuggingFaceTB/finemath | |
# What is the difference between ≅ and ≈?
## What is the difference between ≅ and ≈?
If you are using both to denote an approximation, they mean the same thing. However, within deeper mathematics, you would usually use to denote an approximation, and to denote an isomorphism of two objects.
## What does → mean in ma... | HuggingFaceTB/finemath | |
# Multivariable tangent planes
1. Nov 18, 2007
### Jared596
Ok, I'm pretty much at whit's end trying to figure this review question out. Apparently my teacher forgot to mention that our book couldn't teach us everything we need to know for our test... Anyhow, the question is as follows, and I'm utterly at a loss as ... | HuggingFaceTB/finemath | |
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Topic: X/O Grid
Replies: 2 Last Post: Dec 23, 2012 3:16 AM
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Guide :
# if f(x)=2x^3-5x+6, what is x if f(x+1)-f(x)=0
Please some help on this question
## Research, Knowledge and Information :
### f(x) 2 h NOTE - California State University, Northridge
For P(x) = 2x 3 + 5x 2 – 15x + 6, a. ... ½ 2 5 –15 6 The zero remainder tells us x – ½ is a FACTOR of P(x). 1 3 –6 2 6 –12 0... | HuggingFaceTB/finemath | |
If z^n=1, what is the value of z? (1) n is a nonzero integer : Quant Question Archive [LOCKED]
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Chat with Admission Manager and Current Student of NUS SIngapore - Join ... | HuggingFaceTB/finemath | |
Feb 05, 2020
by Paul de Lange
# A very hard problem (and a fairy tale on how Gauss created time)
On the Discrete Logarithm Problem
Let’s start a tree-house club, but a very nerdy one. To enter the clubhouse, you must of course confirm your identity with a real password. Being a very nerdy bunch, we decide this passw... | HuggingFaceTB/finemath | |
# Essential Math WeblogThoughts on math for games
## 5/11/2005
### Reparameterizing a Curve, Part Two
Filed under: Erratical,Mathematical — Jim @ 9:11 pm
Due to preparing for a week of vacation, and then going on a week of vacation, and then recovering from a week of vacation, this blog has fallen from the wayside ... | HuggingFaceTB/finemath | |
# Question: How much power does a 1 hp motor use?
Contents
A 1 HP motor is supposed to deliver power equivalent to 746 Watts, or in other words, the rotational mechanical energy delivered by the shaft of the motor is rated to be equal to 746 Watts or . 746 kW.
## How many watts does a 1hp pump use?
A 1 HP submersib... | HuggingFaceTB/finemath | |
# Work
Written by Jerry Ratzlaff on . Posted in Thermodynamics Work, abbreviated as W, is the overcoming of resistance through space and is the measure of force x distance. Since the unit of force is a pound and the unit of distance is a foot, the product of a foot by a pound is a unit of work. This is expressed in ... | HuggingFaceTB/finemath | |
Are Imaginary Numbers Real?
1. Home
2. /
3. Are Imaginary Numbers Real?
Are Imaginary Numbers Real? Yes, they are! Everyday numbers such as we use when calculating taxes for the year are called real numbers. Examples are 1003, 5/8, or -27.2. Other numbers, however, often in the world of the microscopic, are called “c... | HuggingFaceTB/finemath | |
Question Code: 225/2023
Medium of Question- English
Name of Post: Assistant Engineer (Electrical)
Department: Kerala State Electricity Board Ltd
Cat. Number: 034/2023
Date of Test : 14.11.2023
1. A DC voltage source of 100 V with 1 ohm internal resistance is connected to a resistor load of 10 ohms. The current de... | HuggingFaceTB/finemath | |
The Grand Finale
We investigate the ratio:
And equate asymptotes, domain and range, and see how changing each will be effected differently.
Above we change the value of a from 2,9 and notice that there is a horizontal asymptote at the corresponding a value.
We can see right away that if we let x=0 the y-intercept w... | HuggingFaceTB/finemath | |
# Need help with sum of max terms in cvx
Hi! I am trying to code the following constraint in cvx:
d^Tu + sum_{k=1}^K max_{j \in I_k} {V_j^Td + b_j} \leq tau
Can somebody help me please? I thought of using an epigraph formulation and code it in the following way (note: only the part of the code concerning this constr... | HuggingFaceTB/finemath | |
Solutions by everydaycalculation.com
## What is the GCF of 2700 and 280?
The GCF of 2700 and 280 is 20.
#### Steps to find GCF
1. Find the prime factorization of 2700
2700 = 2 × 2 × 3 × 3 × 3 × 5 × 5
2. Find the prime factorization of 280
280 = 2 × 2 × 2 × 5 × 7
3. To find the GCF, multiply all the prime factors co... | HuggingFaceTB/finemath | |
# Get Answers to all your Questions
#### If $x=\sum_{n=0}^{\infty }(-1)^{n}\tan ^{2n}\theta \: \: and\: \: y=\sum_{n=0}^{\infty }\cos ^{2n}\theta ,$ for $0<\theta < \frac{\pi }{4},$ then Option: 1 Option: 2 Option: 3 Option: 4
$x=\sum_{n=0}^{\infty}(-1)^{n} \tan ^{2 n} \theta=1-\tan^2\theta+\tan^4\theta..........$
$... | HuggingFaceTB/finemath | |
# Resources tagged with: Interactivities
Filter by: Content type:
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Challenge level:
### There are 152 results
Broad Topics > Information and Communications Technology > Interactivities
### Domino Numbers
##### Age 7 to 11 Challenge Level:
Can you see why 2 by 2 could be 5? Can you predict what 2 by 10 w... | HuggingFaceTB/finemath | |
# Quick moles problem
1. Jul 10, 2009
### Attraction
1. The problem statement, all variables and given/known data
If you have 4.5 x 1020 molecules of SnO2, how many moles of O do you have?
3. The attempt at a solution
I'm really getting the hang of moles lately but what is bothering me in this question is 4.5 x 1... | HuggingFaceTB/finemath | |
# Chapter 8: Linear Regression - PowerPoint PPT Presentation
PPT – Chapter 8: Linear Regression PowerPoint presentation | free to download - id: 6b8131-MDcxN
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## Chapter 8: Linear Regression
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### Chapter 8... | HuggingFaceTB/finemath | |
# L1.2 Linearity and nonlinear theories. Schrödinger’s equation.
published on July 13, 2020
PROFESSOR: So here is of something funny You might say, OK, what is simpler? A theory that is linear or a theory that is not linear? And the answer, of course, a linear theory is much simpler General– Maxwell's equations are l... | HuggingFaceTB/finemath | |
# Question: What Is A Factor Of 100?
## How do you calculate a factor?
“Factors” are the numbers you multiply to get another number.
For instance, factors of 15 are 3 and 5, because 3×5 = 15.
Some numbers have more than one factorization (more than one way of being factored).
For instance, 12 can be factored as 1×... | HuggingFaceTB/finemath | |
# GATE EE 2015 SET 1
Question 1
A random variable X has probability density function f(x) as given below:
$f(x)=\left\{\begin{matrix} a+bx & for \; 0 \lt x \lt 1\\ 0& otherwise \end{matrix}\right.$
If the expected value E[X]=2/3, then $Pr[X \lt 0.5]$ is _____________.
A 0.25 B 0.5 C 0.75 D 1
Engineering Mathematic... | HuggingFaceTB/finemath | |
# Lesson 8
More Questions about Scaled Bar Graphs
## Warm-up: Number Talk: Repeated Addition (10 minutes)
### Narrative
The purpose of this Number Talk is to elicit strategies and understandings students have for adding groups of 2 and groups of 5. These understandings help students develop fluency and will be help... | HuggingFaceTB/finemath | |
Quantitative MCQ - 24
# Quantitative MCQ - 24
Test Description
## 30 Questions MCQ Test Quantitative Aptitude for Competitive Examinations | Quantitative MCQ - 24
Quantitative MCQ - 24 for Quant 2022 is part of Quantitative Aptitude for Competitive Examinations preparation. The Quantitative MCQ - 24 questions and a... | HuggingFaceTB/finemath | |
# Dirichlet’s Theorem and Liouville’s Extension of Dirichlet’s Theorem
## Statement of Dirichlet’s Theorem
$\int \int \int_{V} x^{l-1} y^{m-1} z^{n-1} dx dy ,dz = \frac { \Gamma {(l)} \Gamma {(m)} \Gamma {(n)} }{ \Gamma{(l+m+n+1)} }$ ,
where V is the region given by $x \ge 0 y \ge 0 z \ge 0 x+y+z \le 1$ .
## Brief T... | open-web-math/open-web-math | |
# Acid-base titration: Calculate pKa with only three values given
There's an unkown acid, diluted with an unknown amount of water and titrated with $\ce{NaOH}$.
1. After adding $\pu{10.00 mL}$ $\ce{NaOH}$, a $\mathrm{pH}$ value of $4.65$ is measured.
2. After adding another $\pu{12.22 mL}$ ($\pu{22.22 mL}$ $\ce{NaOH}... | HuggingFaceTB/finemath | |
# MAC forgery using the DES's Complementary Property
I've started reading on MACs and working on a problem where given a MAC construction as $$H_0=IV$$ and for every $$i>0$$ $$H_i=H_{i−1} \oplus E_{M[i]}(H_{i−1})$$ and the tag is $$(IV,E_{k_1}(H_ℓ))$$, I would like to show for a DES as a cipher this construction does ... | open-web-math/open-web-math | |
# An unbiased observer is one for which H=1-F. Give the simplest possible formula for computing the measure of sensitivity s for an unbiased subject. In a psychophysical experiment designed to measure performance in a recognition task, a subject is presented with a set of pictures of people’s faces. Later, thesubject i... | HuggingFaceTB/finemath | |
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# Construct a Quadrilateral Abcd in Which Bc = 4 Cm, Ca = 5.6 Cm, Ad = 4.5 Cm, Cd = 5 Cm and Bd = 6.5 Cm. - Mathematics
Course
ConceptConstructing a Quadrilateral When Two Diagonals and Three Sides Are Given
#### Question
Construct a quadrilateral ABCD in which BC = 4 cm, CA = 5.6 cm, AD = 4.5 cm, CD = 5 cm a... | HuggingFaceTB/finemath | |
# Lesson 1. Sample space
#edx-probability
Putting together a probabilistic Model that is, a model of a random
phenomenon or a random experiment involves two steps.
First step, we describe the possible outcomes of the phenomenon or experiment
of interest.
Second step, we describe our beliefs about the likelihood of ... | HuggingFaceTB/finemath | |
# Supernatural number
## Definition
A supernatural number (also called a surnatural number, generalized natural number, or Steinitz number) is defined as a formal product of the form:
$\prod_p p^{n_p}$
where $p$ runs over all the prime numbers, and each $n_p$ is either zero, or a natural number, or $\infty$.
If no... | HuggingFaceTB/finemath | |
# Edge colouring distinguishing by sums for a complete graph
Let $$G=(V_G,E_G)$$ will be a simple graph and $$f:E\to\{1,...,k\}$$ will be edge $$k-$$coloring. Denote $$\sigma_f(x) = \sum_{xy\in E_G}f(xy)$$ for $$x \in V_G$$ Consider a parameter $$s(G) = \min\{k:\exists k-\textrm{coloring } f,\forall x,y\in V_G, x\ne y... | HuggingFaceTB/finemath | |
# Bar Model Approach for Averages of Numbers in Statistics
##### Ho Soo Thong
Abstract
This article illustrates the use of mathematical implications of the Arithmetic Distributive Law for solving problems involving averages at Primary School Level.
In algebraic expressions, we write
a = b + c and na = n... | HuggingFaceTB/finemath | |
# Search by Topic
#### Resources tagged with Selecting and using information similar to Our Sports:
Filter by: Content type:
Stage:
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### There are 57 results
Broad Topics > Using, Applying and Reasoning about Mathematics > Selecting and using information
### What Does it Say to You?
##### Stage: 1... | HuggingFaceTB/finemath | |
#### What is 4450 percent of 154?
How much is 4450 percent of 154? Use the calculator below to calculate a percentage, either as a percentage of a number, such as 4450% of 154 or the percentage of 2 numbers. Change the numbers to calculate different amounts. Simply type into the input boxes and the answer will update.... | HuggingFaceTB/finemath | |
GMAT Question of the Day - Daily to your Mailbox; hard ones only
It is currently 19 Oct 2019, 02:43
### GMAT Club Daily Prep
#### Thank you for using the timer - this advanced tool can estimate your performance and suggest more practice questions. We have subscribed you to Daily Prep Questions via email.
Customize... | HuggingFaceTB/finemath | |
# Bottom View of Binary Tree in Java
In this article, we see how to print the bottom view of Binary Tree. We discuss our approach to solve this problem and analyze the time and space complexities.
It is recommended to first learn Top View Of Binary Tree before proceeding with this problem. A lot of the implementation... | HuggingFaceTB/finemath | |
Clutch Prep is now a part of Pearson
Ch 32: Alternating CurrentWorksheetSee all chapters
# Capacitors in AC Circuits
See all sections
Sections
Phasors for Inductors
Phasors for Capacitors
Phasors for Resistors
Resonance in Series LRC Circuits
Phasors
Impedance in AC Circuits
Alternating Voltages and Currents
Inductor... | HuggingFaceTB/finemath | |
1. Something has me confused and it's probably pretty simple.
If I find the area under some function between two points a and b, the Fundamental Theorem says it's equal to the difference of the functional values of the 'parent' function valued at the same two points. Say f(x) = x then I'm calling its parent F(x) = (x^... | HuggingFaceTB/finemath | |
# Finding the angle and velocity to hit a target in t seconds
My goal is to compute an angle + velocity combination to hit a target at point $(x,y)$ in exactly $t$ seconds. (Uniform gravity, no drag, no wind)
I know that the general formula for trajectory is:
$x = vt \cos \theta$,
$y = vt \sin \theta - \frac{1}{2} ... | HuggingFaceTB/finemath | |
# Ball Weighing Riddle
A twist on the classic, "how many weighings to find the odd weight ball in 9 balls".
Suppose there is n balls. There are two types of balls. One type weighs less than the other. In the set of balls there is at least one of each ball. What is the least amount of weighing needed to separate the t... | HuggingFaceTB/finemath | |
# 5.4: Power Calculations for a Difference of Means (Special Topic)
It is also useful to be able to compare two means for small samples. For instance, a teacher might like to test the notion that two versions of an exam were equally difficult. She could do so by randomly assigning each version to students. If she foun... | HuggingFaceTB/finemath | |
# Thread: Exponent and Log problem
1. ## Exponent and Log problem
I have this one problem that I'm not sure how to start or end in solving for x.
3^(3x-1)=2^(2x-1)
I have tried taking the log of both sides but it just came out more complicated. Any help would be appreciated.
2. Originally Posted by NDHS
I have this ... | HuggingFaceTB/finemath | |
# Tuesday June 5 – Week 6 Term 2
## Welcome to Terrific Tuesday June 5!
SPANISH REFLECTION
• Jasmine – In Spanish we played Kahoot. We have to guess the numbers
• Nathaniel – We were playing Kahoot and we had to figure the numbers
• Libby – We did this game called Kahoot and I came second place
• Bella – In Spanish,... | HuggingFaceTB/finemath | |
# math
posted by on .
is
4(7)(5)= 4(5)(7) associative property or commutative?
I don't really get the difference between the two properties.
• math - ,
Actually, what yu've written is a bit of both.
Commutative is:
4 + 5 = 5 + 4
Associative is:
(4 + 5) + 2 = 4 + (5 + 2)
So 4 * (7*5) = (4*7) * 5 is Associative.... | HuggingFaceTB/finemath | |
Anonymous
Anonymous asked in Science & MathematicsMathematics · 1 month ago
# Find a real root of x^3-5x^2+12x-18=0. Factorise the polynomial to show it has no other real roots.?
Relevance
• 1 month ago
x³ - 5x² + 12x - 18 = 0
x³ - (2x² + 3x²) + (6x + 6x) - 18 = 0
x³ - 2x² - 3x² + 6x + 6x - 18 = 0
x³ - 2x² + 6x -... | HuggingFaceTB/finemath | |
### XAT 2021 Question 13
Instructions
Read the following scenario and answer the three questions that follow.
A company awards incentives to its employees for successful project performances. It rates successful project performance in categories A*, A, B, and C. Employees, in solo projects rated A*, A, B, and C, are... | HuggingFaceTB/finemath | |
+0
-1
86
2
Why is -2 * -2 = 4 but -2^2 = -4? Shouldn't it be also 4 because -2^2 = -2 * -2 or is it?
Feb 19, 2020
#1
+29257
+3
Exponentiation takes priority over negation, so -2^4 is -(2^4). If you want the negation to take priority you would need to emphasise this by writing (-2)^4.
Feb 19, 2020
#2
0
Thank you... | HuggingFaceTB/finemath | |
# Leibnitz notation
Severian596
Leibniz notation
Lately I've been having trouble with derivatives, specifically in the context of applying them to an ant problem (see https://www.physicsforums.com/showthread.php?goto=newpost&t=85302 if you'd like to witness my slow decline). I have taken high school and college calc.... | HuggingFaceTB/finemath | |
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# A quick review of trignometery
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### A quick review of trignometery
1. 1. Chapter 1A Quick Review ofTrigonometry... | HuggingFaceTB/finemath | |
## Wednesday, November 12, 2014
### [LeetCode] Populating Next Right Pointers in Each Node I, II
Populating Next Right Pointers in Each Node I
Given a binary tree
``` struct TreeLinkNode {
}
```
Populate each next pointer to point to its next right node. If there is no next right node, the next pointer should be ... | HuggingFaceTB/finemath | |
# 3: Introduction to Brownian Motion
$$\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}}$$
( \newcommand{\kernel}{\mathrm{null}\,}\... | HuggingFaceTB/finemath | |
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# Holly Bender
ET 347
March 23, 2016
QR Code Hunt
2. Standards
(1) Students apply their understanding of fractions and fraction models to represent the addition
and subtraction of fractions with unlike denominators as equivalent calculations with like
denominators. They develop fluency i... | HuggingFaceTB/finemath | |
### Theory:
Consider the quadratic equation $$ax^2 + bx + c = 0$$, where $$a \ne 0$$.
Let us find the roots of this equation by the method of completing the square.
Divide the equation by $$a$$.
${x}^{2}+\frac{b}{a}x+\frac{c}{a}=0$
Move the constant to the right side.
${x}^{2}+\frac{b}{a}x=-\frac{c}{a}$
Add the ... | HuggingFaceTB/finemath | |
## Basic Concepts of Functions
Note: This is the second part of the Functions Series. To view the other parts, click the link below.
Part I: Introduction to Functions
Part II: Basic Concepts of Functions
***
In the first part of this series, we have discussed that a function is a relationship between two sets wher... | HuggingFaceTB/finemath | |
# Gas Laws Mrs. T. Miller Enter presentation Boyles Law References Algebra Review Author Biography Charles Law Gay-Lussacs Law Combined Gas Law.
## Presentation on theme: "Gas Laws Mrs. T. Miller Enter presentation Boyles Law References Algebra Review Author Biography Charles Law Gay-Lussacs Law Combined Gas Law."— Pr... | HuggingFaceTB/finemath | |
# What is 1/345 as a decimal?
## Solution and how to convert 1 / 345 into a decimal
1 / 345 = 0.003
### When to convert 0.003 to 1/345 as a fraction
Meal Prep - Body builders need to count macro calories. One of the ways of doing this is measuring every piece of food consumed. This is through halves and quarters in... | HuggingFaceTB/finemath | |
# Quantitative Aptitude Question With Answers – Make Maths Simple
In this post lets discuss some of the questions for simplification. Try to solve by yourself then scroll down for answers.
1. Find the value of 40000-40000÷100
2. Simplify the following 515*515*515-221*221*221/(515*515+515*221*221+221)
3. Simplify t... | HuggingFaceTB/finemath | |
# Thread: Geometry with Polygons..
1. ## Geometry with Polygons..
I would be very thankful if somebody could work and explain these problems. They are part of my Math SAT prep and I don't understand them.
2. You will probably remember learning about linear equations, and being told that if you have n unknown variabl... | HuggingFaceTB/finemath | |
## Wednesday, October 7, 2009
### Three number triangles, two telescoping series
There are so many relations present [in Pascal's triangle] that when someone finds a new identity, there aren't many people who get excited about it anymore, except the discoverer! - Donald E. Knuth (as quoted by Martin Gardner)
I was i... | HuggingFaceTB/finemath | |
×
×
# Solutions for Chapter 9: Polar Coordinates and Parametric Curves
## Full solutions for Calculus:Early Transcendentals | 7th Edition
ISBN: 9780131569898
Solutions for Chapter 9: Polar Coordinates and Parametric Curves
Solutions for Chapter 9
4 5 0 263 Reviews
30
2
##### ISBN: 9780131569898
Summary of Chapte... | HuggingFaceTB/finemath | |
Tracker
HOME TRACKER Excel
# How To Calculate Daily Compound Interest
## I am trying to set up my excel to calculate daily compound interest. The amount is 10,000 at 0.75% per day for 6 months. I have tried several different things with no success -
Related Forum Messages:
Calculate Compound Interest
I am tryi... | HuggingFaceTB/finemath | |
1. ## cubed polynomial
I'm stuck on how to factor this:
r^3+4r^2+7r+6=0
thanks!
2. Originally Posted by morganfor
I'm stuck on how to factor this:
r^3+4r^2+7r+6=0
thanks!
You're expected to note that r = -2 is a solution to r^3+4r^2+7r+6=0 and therefore (r + 2) is a factor of r^3+4r^2+7r+6. Therefore you can find the... | HuggingFaceTB/finemath | |
월정사팔각구층석탑의 손상현황과 표면오염물 제거연구
The Octagonal nine storied pagoda of Woljeongsa Temple consists mainly of granite with the rockforming minerals quartz, plagioclase, microcline, and biotite. The surface of the stone stupa is light brown that has been discolored by the rust from the metal ornament and aids. The surface of t... | open-web-math/open-web-math | |
Related Articles
# Python – Hilbert Curve using turtle
• Difficulty Level : Basic
• Last Updated : 27 Feb, 2020
Fractal is a curve or a figure which repeats itself. It comprises a recursive pattern that repeats itself up to a desired level of nesting. Turtle graphics are provided in the turtle module which is used f... | HuggingFaceTB/finemath | |
CHAPTER 20 : AREAS
PROBLEM 20 –0378: The circumference of a tree trunk is 6.6 ft.
a) What is the diameter of the trunk?
b) What is the area of a cross-section of the tree trunk?
PROBLEM 20 –0379: Find the area of a circle whose radius is 7 in. [Use π = 22/7].
PROBLEM 20 –038... | HuggingFaceTB/finemath | |
Rounding to Significant Figures
# Rounding to Significant Figures
GCSE(F),
The first significant figure in a number is the first non-zero digit in the number (reading from left to right). In the numbers 35, 35985 and 0.00356, the first significant figure is the number 3.
When counting for two or more significant fi... | HuggingFaceTB/finemath | |
Will a car on ice have its maximum speed reduced?
1. Oct 17, 2009
Omnirizon
suppose we have a car on ice stuck in first gear.
intuitively, I thought it should still be able attain maximum speed (in first gear) in a straight line, but it would take longer because it couldn't apply as much force before the force it a... | HuggingFaceTB/finemath | |
Cody
# Problem 44294. Simple String Concatenation
Solution 1974241
Submitted on 13 Oct 2019 by Nikolaos Nikolaou
This solution is locked. To view this solution, you need to provide a solution of the same size or smaller.
### Test Suite
Test Status Code Input and Output
1 Pass
str1 = 'apple'; str2 = 'pear'; conca... | HuggingFaceTB/finemath | |
# Problem of the Week
## Updated at Nov 9, 2020 10:43 AM
This week we have another algebra problem:
How would you find the factors of $$28{x}^{2}+13x-6$$?
Let's start!
$28{x}^{2}+13x-6$
1 Split the second term in $$28{x}^{2}+13x-6$$ into two terms.1 Multiply the coefficient of the first term by the constant term... | HuggingFaceTB/finemath | |
# G-37: Path With Minimum Effort
You are a hiker preparing for an upcoming hike. You are given heights, a 2D array of size rows x columns, where heights[row][col] represents the height of the cell (row, col). You are situated in the top-left cell, (0, 0), and you hope to travel to the bottom-right cell, (rows-1, colum... | HuggingFaceTB/finemath | |
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# Convert 3 meters per hour to yards per minute (3 m/h to yd/min conversion)
3 meters per hour (m/h) = 0.0546834 yards per minute (yd/min)
## How to convert 3 meters per hour to yards per minute?
To convert 3 meters per hour to yards per minute, multiply the meter per hour value by 0.0182278. Hence, 3 meters per hou... | HuggingFaceTB/finemath | |
# The Math of Winning Wordle: From Letter Distribution to First-Word Strategies (2023)
In Wordle, players try to find a five-letter word by guessing. After each guess, you learn which letters are in the right place, and which other letters are part of the word but not placed correctly. Then you guess again – but be ca... | HuggingFaceTB/finemath |
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