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Midterm_REPAIR_Part_B
# Midterm_REPAIR_Part_B - Repair of Midterm Part B Part B...
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Unformatted text preview: Repair of Midterm Part B Part B: Problem 1: Triangle Numbers (10 point... | HuggingFaceTB/finemath | |
The inverse transformation can be calculated by simply inverting the matrix: The problem now is that Newtonian mechanics has a degenerated spacetime But the tensor C ik= A iB k A kB i is antisymmetric. Any symmetric tensor can be decomposed into a linear combination of rank-1 tensors, each of them being symmetric or no... | open-web-math/open-web-math | |
Angular Velocity
Sign/Day
## How many Gradian/Hour are in 993 Sign/Day?
The answer is 993 Sign/Day is equal to 1379.17 Gradian/Hour and that means we can also write it as 993 Sign/Day = 1379.17 Gradian/Hour. Feel free to use our online unit conversion calculator to convert the unit from Sign/Day to Gradian/Hour. Just... | HuggingFaceTB/finemath | |
# How would I solve this limit?
1. Dec 8, 2009
### holezch
1. The problem statement, all variables and given/known data
(2+y^2)/sqrt(4+y^4) as y goes to positive infinity
2. Relevant equations
3. The attempt at a solution
I divided it out by y^2 to get
lim y-> inf+ (2+y^2)/y^2 = 1 and the bottom lim y -> inf+ s... | HuggingFaceTB/finemath | |
# Graphs Using Slope-Intercept Form
## Key Questions
• If your line goes through two distinct points of the equation, then your line is correct.
I hope that this was helpful.
• You can choose any nonzero value ${x}_{2}$ for $x$ and plug it into the equation of the line you are working on to find the corresponding $... | HuggingFaceTB/finemath | |
## Sunday, January 29, 2012
### Finding Reverse CRC Patch with Readable Characters
Background
In the article Calculating Reverse CRC I described an algorithm to create a four byte patch sequence that can be inserted into a message to give the message a desired CRC. A reader asked if and how the algorithm could be ad... | HuggingFaceTB/finemath | |
Where does the energy of the electric cable come from?
I'm stuck on one really simple example, I can't figure out what's happening to energy here...
(This is not homework)
Let's consider an uncharged electric cable, we'll model it by an infinite cylinder on the axis $(Oz)$ with radius $a$ and conductivity $\gamma$ w... | HuggingFaceTB/finemath | |
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.
Please make a donation to keep the OEIS running. We are now in our 56th year. In the past year we added 10000 new sequences and reached almost 9000 citations (which often say "discovered thanks to the OEIS"... | HuggingFaceTB/finemath | |
## Conversion formula
The conversion factor from centimeters to millimeters is 10, which means that 1 centimeter is equal to 10 millimeters:
1 cm = 10 mm
To convert 10.8 centimeters into millimeters we have to multiply 10.8 by the conversion factor in order to get the length amount from centimeters to millimeters. W... | HuggingFaceTB/finemath | |
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# ZingPath: Median, Altitude, and Bisector
## The Median and Centroid in a Triangle Searching for
## Median, Altitude, and Bisector
Learn in a way your textbook c... | HuggingFaceTB/finemath | |
# This Study Stack is to help you study for Force & Motion
Posted by
Define "force". Force is described by its strength and by the direction in which it acts. It is a "push" or "pull"
What is the SI unit of measure for force? The SI unit of measure for force is a "newton" (N).
Define "net force". Net force is the comb... | HuggingFaceTB/finemath | |
Math for Future Value of Growing Annuity
Am I working this out correctly? I need to verify that my code is correct...
$$1000 \cdot \left(\frac{(1 + 0.1 / 12)^{40 * 12} - (1 + 0.06 / 12)^{40 * 12}}{(0.1 / 12) - (0.06 / 12)}\right)$$
Something like this:
53.700663174244 - 10.957453671655 ( = 42.7432095026 )
/
0.00833... | HuggingFaceTB/finemath | |
# If $f(x+y)=f(x)+f(y)$ and $f$ is monotone, prove that $f(x)=ax$
Suppose $$f:\Bbb{R}\to\Bbb{R}$$ is a monotone function satisfying $$f(x+y)=f(x)+f(y) \quad \forall \ x,y\in\Bbb{R}$$ Prove that $$\exists a\in \Bbb R,\forall x\in\Bbb{R}, f(x)=ax$$
I proved that $$f(x)=ax \quad \forall x\in \Bbb{Q}$$. Assume it is mono... | open-web-math/open-web-math | |
# Homework Help: Centripetal Force on a banked road
1. Nov 15, 2014
### spartacus
1. The problem statement, all variables and given/known data
19 m/s speed
µ = 0.2
acceleration due to gravity is 9.8 m/s2
At what angle θ should it be banked for
maximum control of the racing car?
2. Relevant equations
sum of total fo... | HuggingFaceTB/finemath | |
## odds of 2decks shuffled in same order
What are the odds of shuffling a deck of cards into the right ...
It depends on how you shuffle them and the cards’ order when you start. If you truly randomise the deck the chances of the cards ending up in perfect order – spades then hearts diamonds and clubs – are around in ... | HuggingFaceTB/finemath | |
# Convert lightyears to microinches (ly to µin conversion)
1 lightyear (ly) = 3.7247 × 1023 microinches (µin)
## How to convert lightyears to microinches?
To convert lightyears to microinches, multiply the lightyear value by 3.7247 × 1023. Hence, 1 lightyear equals 3.7247 × 1023 microinches.
• 1 lightyear = 3.7247 ... | HuggingFaceTB/finemath | |
1. ## Mensuration
Hi!
I have a little problem with this Mesuration question. I have stated the question as well as what I have done so far. Thanks!
The question states that a wall of length 9m and breadth 4m has to be covered by square tiles of side 12 cm. You have to find the no. of tiles required. Then the question... | HuggingFaceTB/finemath | |
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13-Recursion
# 13-Recursion - CS106X Autumn 2009 Handout 13 Recursion...
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CS106X Handout 13 Autumn 2009 October 5 th , 2009 Recursion Today we'll start working with one of CS106X’s neatest ideas: rec... | HuggingFaceTB/finemath | |
#### Call : 415-233-7362
Technical Support
## which of the following is identity element
Identity element There exists an element e in G, such that for every element a in G, the equation e • a = a • e = a holds. What are some samples of opening remarks for a Christmas party? Moreover, we commonly write abinstead of ... | open-web-math/open-web-math | |
## 4167 Days Before November 21, 2023
Want to figure out the date that is exactly four thousand one hundred sixty seven days before Nov 21, 2023 without counting?
Your starting date is November 21, 2023 so that means that 4167 days earlier would be June 24, 2012.
You can check this by using the date difference calcu... | HuggingFaceTB/finemath | |
# Previous/ Important/ Expected Maths Question and Answer - 01
1.Identify the odd one (pen,pencil,choke, Apple) ?
2. A batsman scored 120 runs which included 3 boundaries and 8 sixes. What percent of his total score did he make by running between the wicket (60%, 50%, 40%) ?
3. A father is twice as old as his son. 2... | HuggingFaceTB/finemath | |
Which of the following inequalities matches the graph? graph of an inequality with a solid line through the points (0, −2) and (2, 1)with shading above the line
Students were enquired to answer a question at academics and to express what is most important for them to succeed. The one which response stood out from the ... | HuggingFaceTB/finemath | |
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons 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 56th year, we are closing in on 350,000 sequences, and we’ve cross... | HuggingFaceTB/finemath | |
# CRTC Electronics
### Current
Consider the following circuit with the two resistors in parallel combination. Using our two resistor formula above we can calculate the total circuit resistance, RT as: One important point to remember about resistors in parallel, is that the total circuit resistance (RT) of any two res... | HuggingFaceTB/finemath | |
How do you convert mass to number of molecules? (2023)
How do you convert mass to number of molecules?
To go from mass to amount we take the mass, divided by the atomic mass, then multiply this by Avogadro's number. To go from the amount to mass we take the number of molecules or atoms, divide this by Avogadro's numb... | HuggingFaceTB/finemath | |
# Converting 12.7 cm to Inches: A Comprehensive Guide for Quick and Easy Measurement Conversion
## The Basics of Converting 12.7 cm to Inches
### Understanding the Conversion
When it comes to converting 12.7 centimeters to inches, it’s important to have a solid grasp of the conversion factor. In the metric system, t... | HuggingFaceTB/finemath | |
# Area Model Algebra
Simulasi ini belum diterjemahkan ke dalam bahasa ini. Anda tetap bisa menggunakan versi bahasa Inggris di bawah ini.
Unduh Sertaan tutup Sertakan salinan simulasi ini yang tidak bermasalah. Gunakan skrip HTML ini untuk menyertakan salinan simulasi yang berfungsi. Anda dapat merupak lebah dan tin... | HuggingFaceTB/finemath | |
Thursday, May 17, 2012
Some Apps for Elementary Math
I've been playing around a bit with my iPad in anticipation of my summer course. Here are a few FREE math apps you might like to try.
Counting and Number Sense
123 Numbers FREE - Working on numbers to 10 and counting skills, this app focuses on meaning of numbers,... | HuggingFaceTB/finemath | |
2013
12-23
Expressions
Arithmetic expressions are usually written with the operators in between the two operands (which is called infix notation). For example, (x+y)*(z-w) is an arithmetic expression in infix notation. However, it is easier to write a program to evaluate an expression if the expression is written in ... | HuggingFaceTB/finemath | |
GMAT Question of the Day - Daily to your Mailbox; hard ones only
It is currently 17 Feb 2019, 19:09
GMAT Club Daily Prep
Thank you for using the timer - this advanced tool can estimate your performance and suggest more practice questions. We have subscribed you to Daily Prep Questions via email.
Customized
for You... | HuggingFaceTB/finemath | |
Dear Student
In interest on capital using product method, it is multiplied by 1/12 because,
See here capital is multiplied by the number of months it has been used, therefore to calculate the effective capital throughout the year we shall have to divide it with 12. And Interest is provided on Effective capital present... | HuggingFaceTB/finemath | |
More Divisibility Rules
Chapter 3 Class 6 Playing with Numbers
Concept wise Learn in your speed, with individual attention - Teachoo Maths 1-on-1 Class
### Transcript
Ex 3.4, 6 A number is divisible by both 5 and 12. By which other number will that number be always divisible? We know that If a number is divisible b... | HuggingFaceTB/finemath | |
# This summer Laura hopes to raise rabbits for "sale". The rabbit hutch is in the shape of a equilateral triangle-ended prism with a total volume of...3m^3. If the cost of the wood for the side walls...
This summer Laura hopes to raise rabbits for "sale". The rabbit hutch is in the shape of a equilateral triangle-ende... | HuggingFaceTB/finemath | |
# Average wait time arriving at subway randomly
If the subway comes every 10 minutes on average, what is the expected wait time if I arrive at the station randomly? Can someone help me mathematically understand this problem?
-
I apologize for the late edit, but a key point that forgot to include is that the trains ar... | HuggingFaceTB/finemath | |
# Potential Energy of the charge
## Homework Statement
The potential energy between charges q and q' at distance r is given by:
$$E_p=\frac{1}{4\pi\epsilon_0}\frac{qq'}{r}$$
A regular plane arrangement of alternate positive and negative charges of the same magnitude is obtained by placing the charges at the centre ... | HuggingFaceTB/finemath | |
## Ralfativity vs Relativity: the final summation
This is not an everything goes forum, but rather a place to ask questions and request help for developing your ideas.
### Re: Ralfativity vs Relativity: the final summation
Ralf, this happens to everyone that tries to develop their own theory or interpretation of rel... | open-web-math/open-web-math | |
# What is the solution to the system of linear equations 2x+y=-9, -2x-3y=11?
Apr 24, 2018
$\left(x , y\right) = \left(- 4 , - 1\right)$
#### Explanation:
$2 x + y = - 9$
$- 2 x - 3 y = 11$
-2y = 2
$y = - 1$
$x = \frac{1}{2} \left(- 9 - y\right) = \frac{1}{2} \left(- 9 - - 1\right) = - 4$
$\left(x , y\right) = ... | HuggingFaceTB/finemath | |
'
# Search results
Found 897 matches
Area of a triangle (by the tangent of an acute or obtuse angle of the triangle)
A triangle is a polygon with three edges and three vertices. In a scalene triangle, all sides are unequal and equivalently all angles are unequal. The area ... more
Interior perpendicular bisector of... | HuggingFaceTB/finemath | |
## Precalculus (6th Edition) Blitzer
$\{ \frac{\pi}{6},\frac{5\pi}{6},\frac{3\pi}{2} \}$
Step 1. Use the identity $cos^2x=1-sin^2x$, we have $2-2sin^2x-sin(x)-1$ or $2sin^2(x)+sin(x)-1=0$, which gives two solutions $sin(x)=-1$ and $sin(x)=\frac{1}{2}$ Step 2. For $sin(x)=-1$, we can find all x-values in $[0,2\pi)$ as ... | HuggingFaceTB/finemath | |
+0
# what is the solution of 72x + 7=223
+1
224
1
what is the solution of 72x + 7=223
Guest Mar 28, 2017
#1
+87294
+1
72x + 7 = 223 subtract 7 from both sides
72x = 216 divide both sides by 72
x = 3
CPhill Mar 28, 2017 | HuggingFaceTB/finemath | |
# Quick Answer: What Is The Meaning Of Null Hypothesis?
## What is the meaning of a null hypothesis being rejected?
After a performing a test, scientists can: Reject the null hypothesis (meaning there is a definite, consequential relationship between the two phenomena), or.
Fail to reject the null hypothesis (meani... | HuggingFaceTB/finemath | |
# Preparing for Exams
### Other results for Ap Statistics Practice Test Chapter 3:
39,000 results. Page 1 of 9.
### Solutions to The Practice of Statistics for the AP Exam... :: Slader
Chapter 2 AP Statistics Practice Test.
Date: 16-1-2020
### Chapter 3 AP Statistics Practice Test Flashcards | Quizlet
An AP® S... | HuggingFaceTB/finemath | |
$\newcommand{\dollar}{\} \DeclareMathOperator{\erf}{erf} \DeclareMathOperator{\arctanh}{arctanh} \newcommand{\lt}{<} \newcommand{\gt}{>} \newcommand{\amp}{&}$
## Section2.3The Product and Quotient Rules
###### Motivating Questions
• How does the algebraic structure of a function guide us in computing its derivative u... | HuggingFaceTB/finemath | |
Courses
# Control System - MCQ Test 1
## 15 Questions MCQ Test Mock Tests Electronics & Communication Engineering GATE 2020 | Control System - MCQ Test 1
Description
This mock test of Control System - MCQ Test 1 for Electronics and Communication Engineering (ECE) helps you for every Electronics and Communication Eng... | HuggingFaceTB/finemath | |
# AC Inductor Circuits
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In an ac circuit, the applied voltage constantly varies and reverses polarity. Any inductance in the circuit will generate a counter emf, which will oppose the source voltage.
This event can be observed by setting up the experiment. Con... | HuggingFaceTB/finemath | |
# Maclaurin series help
• Aug 22nd 2007, 03:34 AM
Amanda-UK
Maclaurin series help
• Aug 22nd 2007, 04:43 AM
topsquark
A Maclauren series for a function is just the Taylor series at an argument of 0.
So for $\displaystyle f(x) = ln(1 + x)$:
$\displaystyle f(x) = ln(1 + x) \implies f(0) = 0$
$\displaystyle f^{\prime}(... | HuggingFaceTB/finemath | |
Convert Perche to Light years (Distance)
## Perche into Light years
numbers in scientific notation
https://www.convert-measurement-units.com/convert+Perche+to+Light+years.php
## How many Light years make 1 Perche?
1 Perche = 0.000 000 000 000 000 531 586 859 447 66 Light years - Measurement calculator that can b... | HuggingFaceTB/finemath | |
$$\newcommand{\id}{\mathrm{id}}$$ $$\newcommand{\Span}{\mathrm{span}}$$ $$\newcommand{\kernel}{\mathrm{null}\,}$$ $$\newcommand{\range}{\mathrm{range}\,}$$ $$\newcommand{\RealPart}{\mathrm{Re}}$$ $$\newcommand{\ImaginaryPart}{\mathrm{Im}}$$ $$\newcommand{\Argument}{\mathrm{Arg}}$$ $$\newcommand{\norm}[1]{\| #1 \|}$$ $$... | HuggingFaceTB/finemath | |
Mathematics
14 May, 03:56
# Nine more than four times a number is the same as one less than twice the number
+1
Answers (1)
1. 14 May, 04:26
0
-5
Step-by-step explanation:
9+4x=2x-1
4x-2x = - 1 - 9
2x = - 10
x = - 5
Know the Answer?
Not Sure About the Answer?
Find an answer to your question ✅ “Nine more than fo... | HuggingFaceTB/finemath | |
# Googol string (google codejam problem) solution using recursion
A simple but slow (around O(n)) approach would be to generate the whole string and then find the nth character. Tough O(n) seems good, but this problem could be solved in much better time (with worst case around O(log(n)) and best being O(1), and the pr... | HuggingFaceTB/finemath | |
# A bifocal lens is used as a remedy in which of the following defects in the eyes?
1. Hyperopia
2. Presbyopia
3. Astigmatism
4. Myopia
Option 2 : Presbyopia
## Optics MCQ Question 1 Detailed Solution
CONCEPT:
Defects of Vision Details Corrections Myopia (short-sightedness) The human eye can see a nearby object c... | open-web-math/open-web-math | |
# Maharashtra Board 10th Class Maths Part 2 Practice Set 7.4 Solutions Chapter 7 Mensuration
## Practice Set 7.4 Geometry 10th Std Maths Part 2 Answers Chapter 7 Mensuration
Practice Set 7.4 Geometry Class 10 Question 1. In the adjoining figure, A is the centre of the circle. ∠ABC = 45° and AC = 72–√ cm. Find the are... | HuggingFaceTB/finemath | |
# Simplifying equations using boolean algebra
I need to simplify these boolean expressions.
## Homework Statement
Problem A:
abd+abd+bcd+bcd+abcd+bcd
Problem B:
abcd+abd+abcd+abd+acd+abd+abcd
Problem C:
abcd+abcd+abd+abcd+bd+abd
## Homework Equations
abc means a AND b AND c
a+b means a OR b
a means NOT a
## The... | HuggingFaceTB/finemath | |
# Simplify 2428/473 to lowest terms
/
#### Solution for what is 2428/473 in simplest fraction
2428/473 =
Now we have: what is 2428/473 in simplest fraction = 2428/473
Question: How to reduce 2428/473 to its lowest terms?
Step by step simplifying fractions:
Step 1: Find GCD(2428,473) = 1.
Step 2: Can't simplify ... | HuggingFaceTB/finemath | |
# QUESTIONS ON ALLEGATION OR MIXTURE (PART-I)
## QUESTIONS ON ALLEGATION OR MIXTURE (PART-I)
VERY IMPORTANT: Remember that the weighted average/combined average/mean value is always written in the middle and the averages are written at the top. We write the smaller average/value in the left and greater one in the rig... | HuggingFaceTB/finemath | |
# What is 277% of 120?
## 277 percent of 120 is equal to 332.4
%
277% of 120 equal to 332.4
Calculation steps:
( 277 ÷ 100 ) x 120 = 332.4
### Calculate 277 Percent of 120?
• F
Formula
(277 ÷ 100) x 120 = 332.4
• 1
Percent to decimal
277% to decimal is 277 ÷ 100 = 2.77
• 2
Multiply decimal with the other ... | HuggingFaceTB/finemath | |
# Hypothesis Tests Multiple Choice
See the attached file for the proper symbols and formatting.
Part I T/F & Multiple Choice
1. An estimator is consistent if, as the sample size decreases, the value of the estimator approaches the value of the parameter estimated. ____ T/F
2. For a specific confidence interval, the... | HuggingFaceTB/finemath | |
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# Two waves of wavelengths 2m and 2.02m respectively moving with the same velocity superpose produce 2 beats /sec. The velocity of the wave is:a) 400m/sb) 402m/sc) 404m/sd) 406m/s
Last updated date: 12th Sep 2024
Total views: 439.5k
Views today: ... | HuggingFaceTB/finemath | |
0. (i.e The cake goes bad over time) The problem I have is the following. Posted: 26 Sep 2012, University of Verona - Department of Economics, National Center for Scientific Research (CNRS) - Ecole des Hautes Etudes en Sciences Sociales (EHESS). In my solution I assumed that a best ("optimal") choice for the cake-eater... | HuggingFaceTB/finemath | |
Consider the following Gibbs energies at 25 °C. (a) Calculate ΔG°rxn for the dissolution of AgCl(s). (b) Calcu?
Consider the following Gibbs energies at 25 °C. Substance
Ag (aq) 77.1
Cl–(aq) -131.2
AgCl(s) -109.8
Br–(aq) -104.0
AgBr(s) -96.9
(a) Calculate ΔG°rxn for the dissolution of AgCl(s).
(b) Calculate the... | HuggingFaceTB/finemath | |
# The Elements of Mathematical Style (Version 0.1)
This is a guide for A-level students on how to look like you know what you’re doing. Some of it’s common sense, some of it’s arbitrary (I’m willing to argue the toss before over-ruling you). Please feel free to add ideas, suggestions and criticism as comments!
If you... | HuggingFaceTB/finemath | |
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Document related concepts
Binary-coded decimal wikipedia, lookup
0.999... wikipedia, lookup
Transcript
```Accuracy
When expressing a number with respect to a fixed number of decimal... | HuggingFaceTB/finemath | |
## The Lesson
A function and its inverse function can be plotted on a graph. If the function is plotted as y = f(x), we can reflect it in the line y = x to plot the inverse function y = f−1(x). Every point on a function with Cartesian coordinates (x, y) becomes the point (y, x) on the inverse function: the coordinates... | HuggingFaceTB/finemath | |
Find the sum of (3x^2+16x+9) and (-16x-12)
2 months ago
Solution 1
Guest #3572
2 months ago
Remove the brackets:
Combine like terms:
Take out common factor 3:
Factorise (x² - 1):
📚 Related Questions
Question
The football team is running a jackpot in which the prize will start at $2500 for the first game, and ... | HuggingFaceTB/finemath | |
Explore BrainMass
# Multivariable calculus - triangle
Not what you're looking for? Search our solutions OR ask your own Custom question.
This content was COPIED from BrainMass.com - View the original, and get the already-completed solution here!
Consider a triangle in the plane, with angles , a, b , c.
Assume that ... | HuggingFaceTB/finemath | |
# What is domain of equation in x and solve 3/x+2-x-4/x^2+2x=1/3x?
sciencesolve | Certified Educator
You need to determine what x values work for the fractions to be defined such that:
`x+2 != 0 =gt x!=-2`
`x^2+2x != 0 =gt x(x+2) != 0 =gt x!=0 ; x!=-2`
`` `3x!=0 =gt x!=0`
Hence, the solutions to the equation need... | HuggingFaceTB/finemath | |
0
When will schhool be out if it starts at 8 am and last for 7 hours?
Updated: 9/16/2023
Wiki User
12y ago
Usually if school starts at 8 o'clock it would finish around 2 o'clock and if you have early Wednesday, then you would come out at 1 o'clock.
Monday, Tues., Thurs., Fri., : 2 o'clock
Wednesday: 1 o'clock.
... | HuggingFaceTB/finemath | |
# 1 3 g x g 0 g 0 x 0 1 x 1 x 3 1 3 1 x 1 3 1 005 0983
• Homework Help
• 11
• 94% (52) 49 out of 52 people found this document helpful
This preview shows page 5 - 10 out of 11 pages.
1 = g ( x ) g (0) + g' (0)( x 0) = 1 + x . 1 + x 1 + x 1 = = 1 + ( 0.05) = 0.983 0.95 3 1 + ( 0.05) 3 = = 1 + (0.1) = 1.033 . 1.1 3 1 ... | HuggingFaceTB/finemath | |
# Tabular Integration (The tabular method) Examples |Where to use tabular integration by parts method|
Home > Math Article > Tabular Integration Method
Page Contents
## What is Tabular Integration method and when to use?
Tabular integration is a short method for integration to solve the integral problem quickly in... | HuggingFaceTB/finemath | |
## Introduction to Data Interpretation
#### Data Interpretation
Direction: Study the diagram and answer the questions. 1. If the total annual expenditure of family A is \$ 30,000 then money spent on food, clothes and house- rents is.
1. From the given bar diagram , we see
Total annual expenditure of family A = \$ 30... | HuggingFaceTB/finemath | |
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# Given that $6 x=27 y$, find the ratio $y: x$ in simplest form.
Solution
Verified
Step 1
1 of 2
From the given cross products are the following holds
\begin{align*} \frac{6x}{27x}&=\frac{27y}{27x}&&\text{Divide each side by } 27x.\\ \textcolor{#4257b2}{\frac{y}{x}... | HuggingFaceTB/finemath | |
Q. 165.0( 1 Vote )
# If determine the vertices of a triangle, show that gives the vector area of the triangle. Hence deduce the condition that the three points a, b, c are collinear. Also find the unit vector normal to the plane of the triangle.
Let are vertices of a triangle ABC.
Also, we get
Position vector of A
... | HuggingFaceTB/finemath | |
Learning Curves
Learning curves: please note that this lecture relates to Chapter 12 of the Course Notes (and not Chapter 11 as stated in the lecture)
1. says
at first i thought we need to calulate the total time for the 30th batch and then 31th batch
2. says
Thank you for the useful lecture. I was just wondering ... | HuggingFaceTB/finemath | |
offers hundreds of practice questions and video explanations. Go there now.
# Magoosh Brain Twister: A Trick Up His Sleeve?
Welcome back, Magooshers! We hope that you enjoyed your holiday, and that you’re looking forward to a great 2015. What better way to start the year than with a brand new Brain Twister? Let’s get... | HuggingFaceTB/finemath | |
# The sum of the squares of two consecutive positive integers is 13. How do you find the integers?
Jun 29, 2016
Let the numbers be $x$ and $x + 1$.
${\left(x\right)}^{2} + {\left(x + 1\right)}^{2} = 13$
${x}^{2} + {x}^{2} + 2 x + 1 = 13$
$2 {x}^{2} + 2 x - 12 = 0$
$2 \left({x}^{2} + x - 6\right) = 0$
$2 \left(x ... | HuggingFaceTB/finemath | |
# In which of the following situations, do the lists of numbers involved form an $A P$ ? Give reasons for your answers.The amount of money in the account of Varun at the end of every year when Rs 1000 is deposited at simple interest of $10 \%$ per annum.
Given:
The amount of money in the account of Varun at the end o... | HuggingFaceTB/finemath | |
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Conics: Parabolas:
Finding Information from the Equation
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Sections: Introduction, Finding information from the equation, Finding the equation from information, Word problems & Calculators
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Home » 6 Pints Is How Many Quarts? Update
# 6 Pints Is How Many Quarts? Update
Let’s discuss the question: 6 pints is how many quarts. We summarize all relevant answers in section Q&A of website Domainedevilotte.com in category: Blog Technology. See more related questions in the comments below.
## How many pints Mak... | HuggingFaceTB/finemath | |
550102
550,102 (five hundred fifty thousand one hundred two) is an even six-digits composite number following 550101 and preceding 550103. In scientific notation, it is written as 5.50102 × 105. The sum of its digits is 13. It has a total of 3 prime factors and 8 positive divisors. There are 235,752 positive integers ... | HuggingFaceTB/finemath | |
# Area and circles
I need help with this hard geometry problem.
Given a $\triangle ABC$. M is the midpoint of AB. $k_1$ and $k_2$ are the circles with diameters AC and BC respectively. $A_1$ and $A_2$ are the midpoints of the two arcs AC of $k_1$. $B_1$ and $B_2$ are the midpoints of the two arcs $BC$ of $k_2$. Prove... | HuggingFaceTB/finemath | |
# 71 Systems of Linear Equations: Two Variables
### Learning Objectives
In this section, you will:
• Solve systems of equations by graphing.
• Solve systems of equations by substitution.
• Solve systems of equations by addition.
• Identify inconsistent systems of equations containing two variables.
• Express the sol... | HuggingFaceTB/finemath | |
# CIRCUITS: Super easy problem. Please help
1. Oct 16, 2006
### VinnyCee
CIRCUITS: Super easy problem. Please help!!!
Find i1, i2 and i3:
My work so far:
KVL for left loop => $$5\,-\,v_1\,-\,v_2\,=\,0$$
KVL for right loop => $$v_2\,-\,v_3\,+\,3\,=\,0$$
KCL at center node => $$i_1\,=\,i_2\,+\,i_3$$
Now I plug t... | HuggingFaceTB/finemath | |
237 views
The number of ways 5 letter be put in 3 letter boxes A,B,C. If letter box A must contain at least 2 letters.
edited | 237 views
0
0
no, it is 131
0
0
x1+x2+x3=5
given condition is that one box contain at least 2 letters which is x1>=2
x1-2>=2-2
x1-2>=0
we can write
x1-2+x2+x3=5
x1+x2+x3=7
using the ... | HuggingFaceTB/finemath | |
# What is 470 divisible by?
Using the divisibility rules for the numbers 2,3,4,5,6,9, and 10, four hundred seventy is divisible by: 2, 5, and 10
# How many hours in 470 minutes?
There are 60 minutes in one hour. 420 minutes is equal to 7 hours, so 470 minutes is equal to 7 hours and 50 minutes.
Thanks for the feedba... | HuggingFaceTB/finemath | |
# Vertex of a Function: -3(x-2)^2-3
• Drakkith
#### Drakkith
Mentor
2022 Award
I have the following function and I'm supposed to find the vertex of its graph.
f(x)=-3(x-2)2-3
Why is the vertex (2,-3) instead of (-2,-3)?
Edit: Bah, nevermind. I just realized the formula has (x-h) in it, not (x+h) in it...
Last ed... | HuggingFaceTB/finemath | |
x Turn on thread page Beta
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# How do you calculate the moles of ELECTRONS !! watch
1. What is the number of moles of electrons in 0.357 g of gold?
2. Mg(s) + Ni2+(aq) --> Mg2+(aq) + Ni (s) What is the total number of moles of electrons needed to completely reduce 6.0 moles of Ni2+(aq) ions?
Attache... | HuggingFaceTB/finemath | |
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2. College Algebra
3. Transformations of Functions
# Reflection across the x-axis: $y = -f(x)$
Now that we have already learned about functions, we also need to learn about transformation.Graphs of different functions can be transformed in four ways, translation, reflection, stretching and compression. In thi... | HuggingFaceTB/finemath | |
algabra
posted by .
I take a trip in my car. I want to go 960 miles in one day. The time t, in hours, that it takes to travel 960 miles is given. I will be going 70 or 75 miles an hour so the speed is r. How long will it take me to get to where I am going?
• algabra -
D = RT (Distance = Rate x Time)
T = D/R
T = 96... | HuggingFaceTB/finemath | |
## Trigonometry (11th Edition) Clone
Published by Pearson
# Chapter 1 - Trigonometric Functions - Section 1.2 Angle Relationships and Similar Triangles - 1.2 Exercises - Page 19: 70a
#### Answer
5,438,000 miles is the maximum distance that Triton can be from Neptune and still cause a total eclipse.
#### Work Step ... | HuggingFaceTB/finemath | |
MAT 272 Assignment 4 - solutions
# MAT 272 Assignment 4 - solutions - simplifies to x b 1 b 2...
This preview shows pages 1–4. Sign up to view the full content.
MAT 272 Assignment #4 Due: October 15, 2009 1) Calculate the following determinants using cofactor expansion. Show your work. a.
This preview has intention... | HuggingFaceTB/finemath | |
# Unit Resources Math 1
Unit 1: Function Families
Unit 1 Standards
MM1A1. Students will explore and interpret the characteristics of functions, using
graphs, tables, and simple algebraic techniques.
a. Represent functions using function notation.
b. Graph the basic functions f(x) = xn, where n = 1 to 3, f(x) = x... | HuggingFaceTB/finemath | |
# How do you solve for c: Q = 2c + 1?
Apr 5, 2018
$c = \frac{Q - 1}{2}$
Here's how I did it:
#### Explanation:
$Q = 2 c + 1$
To solve for $c$, we need to make $c$ alone. In order to do that, we have to do a couple of steps.
First, let's subtract $1$ from both sides of the equation:
$Q - 1 = 2 c$
Now, let's divi... | HuggingFaceTB/finemath | |
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# 3 Horsepowers-hour to Joules Conversion
## How many joules in 3 horsepowers-hour?
There are 8053558.5 joules in 3 horsepowers-hour
To convert any value in horsepowers-hour to joules, ... | HuggingFaceTB/finemath | |
# Prove:$\forall a_1,b_1,a_2,b_2: \left|\max(a_1,b_1) - \max(a_2,b_2)\right| \le \max(\left|a_1-a_2\right|, \left| b_1-b_2 \right|)$
Prove:$\forall a_1,b_1,a_2,b_2: \left|\max(a_1,b_1) - \max(a_2,b_2)\right| \le \max(\left|a_1-a_2\right|, \left| b_1-b_2 \right|)$
How can I prove it easily? Or should I just go over ea... | HuggingFaceTB/finemath | |
It is currently 21 Oct 2017, 02:19
### GMAT Club Daily Prep
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we will pick new questions that match your level based o... | HuggingFaceTB/finemath | |
# AP BIOLOGY
## EVOLUTION
### HARDY WEINBERG EQUILIBRIUM
Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The allele frequency of p = 0.20.What is the percentage of the recessive genotype?
A 80% B 4% C 32% D 64%
Explanation:
Detailed explanation-1: -In a human population at Hardy-Weinberg equilibrium, the ... | HuggingFaceTB/finemath | |
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# Capital Budgeting: A Project's Net Present Value
This content was COPIED from BrainMass.com - View the original, and get the already-completed solution here!
Part 1
a. Consider the project with the following expected cash flows:
Year Cash Flow
0 - \$550,000
1 \$90,000
2 \$100,000
3 \$450,00... | HuggingFaceTB/finemath | |
maths:circular
# a brief summary of circular functions and trigonometry
## Circular functions:
• NB. π radians = 180 degrees.
• unit circle defined by x2+y2 = 1 and each point of the circle represented by (cost,sint) where t = angle in radians polar coordinates which is also twice the area of the sector subtended by... | HuggingFaceTB/finemath |
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