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1. Topic-
Real-Life Multiplication
2. Content-
Multiplication, commutative property
3. Goals: Aims/Outcomes-
GLE 2.2 Develop understanding of multiplication and related division facts through multiple strategies and representations. GLE 0302.4 Solve multiplication and division problems using various representations.... | HuggingFaceTB/finemath | |
kmmiles.com
# 0.32 km in miles
## Result
0.32 km equals 0.1987 miles
You can also convert 0.32 miles to km.
## Conversion formula
Multiply the amount of km by the conversion factor to get the result in miles:
0.32 km × 0.621 = 0.1987 mi
## How to convert 0.32 km to miles?
The conversion factor from km to miles... | HuggingFaceTB/finemath | |
14 Difference Between Recursion And Iteration With Example
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What Is Recursion?
Recursion is a method of solving a problem where the solution depends on solutions to smaller instances of the same problem. The approach can be applied to many types of problems. Recursion is used in variety of disciplines ranging f... | HuggingFaceTB/finemath | |
The perimeter of a right triangle is 24cm. If the hypotenuse is 10cm , find the other two sides.?
The perimeter of a right triangle is 24cm. If the hypotenuse is 10cm , find the other two sides.? Let x and y be the other two sides of the right triangle, We were given: x + y = 24 - 10 = 14; y = 14 - x (equation 1) x^2 +... | HuggingFaceTB/finemath | |
Examveda
# The monthly expenses of a person are $$66\frac{2}{3}\%$$ more than her monthly savings. If her monthly income increases by 44% and her monthly expenses increase by 60%, then there is an increase of Rs. 1,040 in her monthly savings. What is the initial expenditure (in Rs.)?
A. 10,000
B. 13,000
C. 12,000
... | HuggingFaceTB/finemath | |
Find the complex solutions of z^2 + (1 + 3i)z − 1 + (3/4) i = 0
Im not sure how to solve this, any help would be much appreciated
Thanks
2. Originally Posted by callumh167
Find the complex solutions of z^2 + (1 + 3i)z − 1 + (3/4) i = 0
Im not sure how to solve this, any help would be much appreciated
Thanks
One wa... | HuggingFaceTB/finemath | |
## Problem 4, 1975 USA Math Olympiad and Isosceles Triangles
The following problem has been offered at the 1975 USA Mathematics Olympiad:
Two given circles intersect in two points P and Q. Show how to construct a segment AB passing through P and terminating on the two circles such that AP×PB is a maximum.
The probl... | HuggingFaceTB/finemath | |
# Thread: Equivalence relations on R intersection R^-1
1. ## Equivalence relations on R intersection R^-1
Let R be a reflexive and transitive relation on X. Show that R intersection R^-1 is an equivalence relation on X.
My proof:
Let R be reflexive and transitive, therefore R (x,x) (y,y) (z,z) (x,y) (y,z)
and R^-1 (... | HuggingFaceTB/finemath | |
# `4u^2 - 1 = 0` Solve the equation.
rsarvar1a | Student
4u^2 - 1 = 0
4u^2 - 1 + 1 = 0 + 1
4u^2 = 1
4u^2 / 4 = 1 / 4
u^2 = 1/4
sqrt(u^2) = sqrt(1/4)
u = 1/2, -1/2
iamkaori | Student
4u^2 - 1 = 0
Bring the -1 over to get:
4u^2 = 1
Divide both side by 4 to get:
u^2 = 1/4
Square root both sides to get the u... | HuggingFaceTB/finemath | |
## How do you calculate dissipated thermal energy?
W = V I t . W = VIt. W=VIt. Because this circuit consists of only one resistor, the entire work done goes into energy lost through power dissipation by this resistor, by conservation of energy.
## What is dissipated energy formula?
In other words, power dissipation ... | HuggingFaceTB/finemath | |
# Free-slip boundary conditions
#1
Hi all,
This may be a naive question but reading multiple sources got me confused. In the manual, free-slip is indicated (section 2.12) by ‘no normal velocity’ and Eq. 65 makes it clear: {u}_m\cdot n = 0 on \partial \Omega_{free-slip}. So far so good.
However, reading somewhat famou... | open-web-math/open-web-math | |
Digital systems and design
# Series RC circuit analysis
This post tells about series RC circuit analysis. RC circuits belong to the simple circuits with resistor, capacitor and the source structure.
Let’s consider series connection of resistor and capacitor with the constant voltage source (circuit depicted below). ... | HuggingFaceTB/finemath | |
# Solve Equations of the Quadratic Form
How to solve equations that may be reduced to quadratic equations using substitution? Questions with detailed solutions are presented. Graphical solutions to these equations are also presented.
## Question 1
Solve the equation 0.1 x4 - 1.3 x2 + 3.6 = 0 .
## solution
Let u = ... | HuggingFaceTB/finemath | |
# a current of 10 A is flowing east to west in a long wire kept horizontally in east west direction. find magnetic field and its direction in the horizontal plane at a distance of(i)10 cm north(ii) 20 cm south from the wire.and in the verical plane at a distance of (i)40 cm downward(ii)50 cm upward.
Here,
Horizontal ... | HuggingFaceTB/finemath | |
# Class 12 Physics Chapter 9 Important Questions Ray Optics and Optical Instruments
Q 1:- A light ray falls on a mirror normally. What are the values of the angle of incidence and the angle of reflection. Ans:- For a light ray falling
Science is a complex and challenging subject, as it involves so many principles and... | HuggingFaceTB/finemath | |
# Scaling Numbers or how avoid floating point.
Part I: The voltage divider. Because eight bit mircocontrollers lack floating point instruction
1. Part I: The voltage divider.
Because eight bit mircocontrollers lack floating point instructions using floating point can consume a lot of processor cycles.
In this artic... | HuggingFaceTB/finemath | |
# Trolling Motor Wire Size Selection
The wire size for your trolling motor depends on several factors.
To determine the appropriate wire size, you should consider the following factors:
• Voltage: Higher voltage systems will generally require smaller wire sizes than lower voltage systems because of reduced current d... | HuggingFaceTB/finemath | |
# Euclid's Elements of plane geometry [book 1-6] explicitly enunciated, by J. Pryde. [With] Key
### Comentarios de la gente -Escribir un comentario
No encontramos ningún comentario en los lugares habituales.
### Contenido
FIRST BOOK 1 SECOND BOOK 47 THIRD BOOK 67 FOURTI BOOK 99 FIFTH BOOK 115 FIFTH BOOKSUPPLEMENT ... | HuggingFaceTB/finemath | |
# Mathematics Summary Unit-1 Number System: Standard Form of a Rational Number and Equivalent Forms of a Rational Number (For CBSE, ICSE, IAS, NET, NRA 2022)
Glide to success with Doorsteptutor material for ICSE/Class-10 : get questions, notes, tests, video lectures and more- for all subjects of ICSE/Class-10.
## Sta... | HuggingFaceTB/finemath | |
# Day 2: Using Libraries and Plotting Functions¶
The agenda of today is to import some external libraries and plot mathematical functions.
## 1. Importing Libraries¶
To increase the functionality of any language we use libraries or pre written code.
A very useful library in python is called numpy which is used to d... | HuggingFaceTB/finemath | |
(ab)ijk = {k=1 Qi,kbk,j b) Explain what the subset of non-singular diagonal matrices look like. Properties of Diagonal Matrix. Scalar Matrix. Diagonal matrix is a type of matrix in which diagonal elements are non-zero and non-diagonal elements are zero. Otherwise its a guessing game. For variable-size inputs that are n... | HuggingFaceTB/finemath | |
PREPARING Become a MATIZEN What is Math Planet ? A Crash Course on Algebra A Crash Course on Geometry EXPLORING Advanced Math Topic Customized Lessons SAT & ACT Reviews INTERACTING Math Games Discussion Forum Math Live! Chat COLLECTING Math Search MATIZEN Qualifi- -cation Test Acknowledgements The ... | HuggingFaceTB/finemath | |
# Step-by-step Solution
Go!
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Dx
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=
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sin
cos
tan
cot
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csc
asin
acos
atan
acot
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sinh
cosh
tanh
coth
sech
csch
asinh
acosh
atanh
acoth
asech
acsch
## Step-by-step explanation
Problem to solve:
$\int... | HuggingFaceTB/finemath | |
# How is $L$ = {${ a^nsb^n : s \in L(a^*b^*) ,\ n \ge 1 }$} a regular language? [duplicate]
My understanding is that a machine with finite states cannot keep track of the n's being the same in $L$ = {${ a^nsb^n : s \in L(a^*b^*) ,\ n \ge 1 }$}, similar to the case with how $a^nb^n$ is not a regular language. For insta... | HuggingFaceTB/finemath | |
Solutions by everydaycalculation.com
## Multiply 3/42 with 4/90
This multiplication involving fractions can also be rephrased as "What is 3/42 of 4/90?"
3/42 × 4/90 is 1/315.
#### Steps for multiplying fractions
1. Simply multiply the numerators and denominators separately:
2. 3/42 × 4/90 = 3 × 4/42 × 90 = 12/3780... | HuggingFaceTB/finemath | |
Days, Weeks, Months and Years – Explanation, Solved Examples, and FAQs
Days, Weeks, Months and Years – Explanation, Solved Examples, and FAQs
Introduction to Days, Weeks, Months and Years
A day is a unit of time that is equal to 24 hours.
Fill Out the Form for Expert Academic Guidance!
+91
Live ClassesBooksTest S... | HuggingFaceTB/finemath | |
# Proof Writing
I often see people who have a solution, and go like "Wow! I proved it!". A solution is a completely different thing than a proof. Here are the definitions of the two from Wolfram Alpha:
Solution | noun | a method for solving a problem.
Proof | noun | a rigorous mathematical argument which unequivocal... | HuggingFaceTB/finemath | |
Our World Statistics Day conversations have been a great reminder of how much statistics can inform our lives. Do you have an example of how statistics has made a difference in your life? Share your story with the Community!
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Starting with design of experiments without prior st... | HuggingFaceTB/finemath | |
# Ice skater gliding
## Homework Statement
A skater is gliding along the ice at 2.4 m/s, when she undergoes an acceleration of magnitude 1.1m/s^2 for 3.0s. At the end of that time she is moving at 5.7 m/s.
What must be the angle between the acceleration vector and the initial velocity vector?
## The Attempt at a So... | HuggingFaceTB/finemath | |
0
# Manufacture date of MacGregor DX irons?
Updated: 10/23/2022
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MacGregor registration number A060?
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### What is johnathan coachman's entrance song?
dx dx dx dx dx dx dx dx... | HuggingFaceTB/finemath | |
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New Hampshire - Grade 1 - Math - Geometry - Shape Attributes - 1.G.1
Description
Distinguish between defining attributes (e.g., triangles are closed and three-sided) versus non-defining attributes (e.g., color, orientation, overall size) ; build and draw shapes to possess defining attributes.
• State - New Hampshire... | HuggingFaceTB/finemath | |
# Conditional SUM in Excel with SUMPRODUCT function
7
4411
One of our dear member at our Excel facebook page Mr. Zeeshan Sarwar shared a problem in which he wanted to sum only those invoices amounts against which “paid on” date is mentioned.
Putting it in simple words it is a conditional sum where you want to sum va... | HuggingFaceTB/finemath | |
# Question #0cdf5
Jul 11, 2016
(b) is 12.9s (c) is 66.2m/s and (d) is 24.2s (total time)
#### Explanation:
The question tells us that the car reaches 60mph from rest after 5.2s, hence the driver will be accelerating for this time (5.2s).
At this point it is useful to covert this speed into SI units:
$60 \times \fr... | HuggingFaceTB/finemath | |
Accelerate your child’s learning
Smartick is a fun way to learn math!
Oct03
# Divide by a Two Digit Number and an Example
Have you already learned about dividing by a two-digit number?
In this post, we are going to review how to divide by a two-digit number using an example.
First, let’s review the parts of the di... | HuggingFaceTB/finemath | |
Solutions by everydaycalculation.com
## Divide 1/15 with 20/98
1/15 ÷ 20/98 is 49/150.
#### Steps for dividing fractions
1. Find the reciprocal of the divisor
Reciprocal of 20/98: 98/20
2. Now, multiply it with the dividend
So, 1/15 ÷ 20/98 = 1/15 × 98/20
3. = 1 × 98/15 × 20 = 98/300
4. After reducing the fraction,... | HuggingFaceTB/finemath | |
Find out the subsequential limits of a sequence
Let $$x_n=(-1)^n \left(2+\frac{3^n}{n!}+\frac{4}{n^2}\right)$$ and find the upper and lower limits of the sequence $\{x_n\}_{n=1}^\infty$.
We put $n=1, 2, 3 \dots$ then $x_1=-9, x_2 = \frac{15}{2}, \dots$ after some stage we see that limit superior is $x_2$ and inferior... | open-web-math/open-web-math | |
Homework Help
# Form a quadratic equation with rational coefficients having 2 - 4(3)^.5 as one of its...
Middle School Teacher
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Form a quadratic equation with rational coefficients having 2 - 4(3)^.5 as one of its roots.
Posted by tonytony3030 on December 3, 2008 at 10:34 AM via web and tagg... | HuggingFaceTB/finemath | |
Stochastic
# In order for i to be rst at time t ti t and the other
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Unformatted text preview: ore units of time is the same as if we haven’t waited at all.” In symbols P (T > t + s... | HuggingFaceTB/finemath | |
a 23 18 1000 g 1 mol air 6022 10 molecules air 525 10 kg air 1 kg 290 g air 1
# A 23 18 1000 g 1 mol air 6022 10 molecules air 525 10
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(a) 23 18 1000 g 1 mol air 6.022 10 molecules air (5.25 ... | HuggingFaceTB/finemath | |
# A Pattern in the Quadratic Formula!
I was going about finding the pattern of integers $$a$$ such that $$x+a=x^2$$ has at least one rational solution. Using the quadratic formula, the value boiled down to $$\frac{1\pm\sqrt{1+4a}}{2}$$. Thus, this occurs when $$4a+1$$ is the square of an integer.
I knew that odd squa... | HuggingFaceTB/finemath | |
# Questions tagged [absolute-convergence]
This tag for questions related to absolute convergence a series.
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### Showing the following function is entire…
The full problem asks about the following function using it's Maclaurin series: $$f(x)=\left\{ \begin{array... | HuggingFaceTB/finemath | |
# Math
A rectangular sandbox has a length of 60 inches, a width of 40 inches, and a depth of 6 inches. What is the volume in cubic inches?
1. 👍 0
2. 👎 0
3. 👁 179
1. LWH = V
60 * 40 * 6 = ______ cubic inches
1. 👍 0
2. 👎 0
## Similar Questions
1. ### math
A rectangular box has a volume of \$4320\$ cubic inche... | HuggingFaceTB/finemath | |
# Question: What Is Charge Equal To?
## What is charge formula?
To determine the amount of electrical charge that flows in a circuit, you need to know the current flow and how long it flows for.
The equation is: charge (coulomb, C) = current (ampere, A) × time (second, s).
For example, if a a current of 20 A flows ... | HuggingFaceTB/finemath | |
# XOR of XORs of all sub-matrices
Given a ‘N*N’ matrix, the task is to find the XOR of XORs of all possible sub-matrices.
Examples:
```Input :arr = {{3, 1},
{1, 3}}
Output : 0
Explanation: All the elements lie in 4 submatrices each.
4 being even, there total contribution towards
final answer becomes 0. Thus, ans = ... | HuggingFaceTB/finemath | |
1,183 Pages
Regular decagon
Edges and vertices 10
Schläfli symbols {10}
t{5}
Coxeter–Dynkin diagrams
Symmetry group Dihedral (D10)
Area
(with = edge length)
Internal angle
(degrees)
144°
In geometry, a decagon is any polygon with ten sides and ten angles, and usually refers to a regular decagon, having all sides of e... | HuggingFaceTB/finemath | |
0.16 Appendix: optimization theory
Page 1 / 1
Optimization theory is the branch of applied mathematics whose purpose is to consider a mathematical expression in order to find a set of parameters that either maximize or minimize it. Being an applied discipline, problems usually arise from real-life situations includi... | HuggingFaceTB/finemath | |
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# Compound Formula
## Online Tutoring Is The Easiest, Most Cost-Effective Way For Students To Get The Help They Need Whenever They Need It.
Compound formula means compound interest. Compound formula comes in use when money is borrowed for a fixed period of time. The person has to pay extra money for that fixed period... | HuggingFaceTB/finemath | |
# Quick Answer: IS 145 A Perfect Square?
## How do you simplify the square root of 74?
The √ symbol is called the radical sign.
To simplify the square root of 74 means to get simplest radical form of √74.
Since 1 is the only perfect square above, the square root of 74 cannot be simplified..
## What are the factors... | HuggingFaceTB/finemath | |
# Easy ways of finding small prime divisors
Are there any "relatively simple" ways of seeing whether a number is divisible by a small prime not 3. For example, one simply sums the digits of n modulo 3 and if they sum to zero, then n is divisible by 3, or that if it ends in a 5 or a 0 then $$5|n$$. Are there any simila... | HuggingFaceTB/finemath | |
# Median of a Triangle
Vishesh Chogtu
Modified on 2020-02-25 in Engineering
Triangle means a polygon which is enclosed on three sides with three straight lines. Its angle can be obtuse or acute or right. The acute and obtuse angle combines to form an oblique triangle. Triangles can also be distinguished based on side... | HuggingFaceTB/finemath | |
# Inclined Plane (friction)
## Homework Statement
An object of mass 13 kg is placed on incline with friction. Incline is originally horizontal and then raised slowly and at 22 degrees, mass begins to slide down incline. It is found that coefficient of kinetic friction is .83 times coefficient of static friction. If i... | HuggingFaceTB/finemath | |
Is 222644645 a prime number? What are the divisors of 222644645?
## Parity of 222 644 645
222 644 645 is an odd number, because it is not evenly divisible by 2.
Find out more:
## Is 222 644 645 a perfect square number?
A number is a perfect square (or a square number) if its square root is an integer; that is to s... | HuggingFaceTB/finemath | |
## How to Multiply Fractions
Among the four fundamental operations on fractions, multiplication is the easiest. It is just simple. Multiply the numerator and then the denominator. Of course, if the given fractions can be converted to lowest terms, the easier the multiplication will be.
In this post, we are going to l... | HuggingFaceTB/finemath | |
# Exercise 2.3 class 8 solution
### Exercise 2.3 class 8 solution reducing equation to simplest form
Reducing an equation to its simplest form typically involves simplifying or eliminating common factors, combining like terms, and ensuring that the equation is in a clear, concise, and standard form. The exact steps y... | HuggingFaceTB/finemath | |
# Divisibility and the Euclidean Algorithm
## Divisibility
To better understand divisibility I want to ask a question. Does a|bc imply a|b or a|c?
The answer is no. A few counterexamples would be 6|4*3 but the following are not true 6|4 and 6|3.
Finding the greatest common factors of various numbers can be easy (wi... | HuggingFaceTB/finemath | |
Diagonal Matrix Proof
Prove that a diagonal matrix is positive definite if and only if all its diagonal entries are positive. Also write down and identify its associated inner product. (I can't use eigenvalues to prove this because I haven't learned them yet).
My attempt:
In order to be positive definite, matrix K m... | HuggingFaceTB/finemath | |
221000 plus 73 percent
Here we will teach you how to calculate two hundred twenty-one thousand plus seventy-three percent (221000 plus 73 percent) using two different methods. We call these methods the number method and the decimal method.
We start by showing you the illustration below so you can see what 221000 + 73... | HuggingFaceTB/finemath | |
### 数学代写|数值分析代写numerical analysis代考|MATH3003
statistics-lab™ 为您的留学生涯保驾护航 在代写数值分析numerical analysis方面已经树立了自己的口碑, 保证靠谱, 高质且原创的统计Statistics代写服务。我们的专家在代写数值分析numerical analysis代写方面经验极为丰富，各种代写数值分析numerical analysis相关的作业也就用不着说。
• Statistical Inference 统计推断
• Statistical Computing 统计计算
• Advanced Probability Theory 高等概率论
• A... | HuggingFaceTB/finemath | |
Q:
# What does Kepler's second law imply?
A:
Kepler's second law implies that the closer a planet is to its star, the faster the planet travels. This law is related to conservation of angular momentum. The law is important because the planets' orbits around stars are not circular, so planets are closer to their star... | HuggingFaceTB/finemath | |
# Sorting algorithms
There are many different sorting algorithms, each with its own set of advantages and disadvantages depending on the type of data being sorted and the desired outcome.
## Bubble Sort
Compares an item with the next item and swaps them if the first item is greater than the next item. Doing this for... | HuggingFaceTB/finemath | |
#### oxidation number of p in ph3
Asking for help, clarification, or responding to other answers. Rules for assigning oxidation numbers. 16. But H is more electronegative than P...how do you explain that? The oxidation of phosphine (PH3) to phosphorus pentoxide (P2O5) is given by the chemical equation: _PH3+O2-->_P2O5... | open-web-math/open-web-math | |
# Position probability in infinite wells
An electron is on the third energy level of an infinite square well between $0 \leq x\leq L$. What is the probability that the particle is situated in a region centered at (a) x=L/4, (b) x=L/2, and (c) x=2L/3 if the region width is $0.004 L$. (d) When L=10 nm please find the pa... | HuggingFaceTB/finemath | |
Math 341
Paper I: Vertical Angle Theorem
For this assignment, you should define what you think an angle is, and use your definition to prove the Vertical Angle Theorem.
In doing this, you can use David Henderson's questions as a guide, but you need to integrate your answers to the various questions into a unified, c... | HuggingFaceTB/finemath | |
.... How to Find Your Subject Study Group & Join .... .... Find Your Subject Study Group & Join ....
We are here with you hands in hands to facilitate your learning & don't appreciate the idea of copying or replicating solutions. Read More>>
www.vustudents.ning.com
Study Groups By Subject code Wise (Click Below on... | HuggingFaceTB/finemath | |
## How do you calculate the wavelength?
The wavelength is calculated from the wave speed and frequency by λ = wave speed/frequency, or λ = v / f.
## What is the formula for wavelength and frequency?
c = λν expresses the relationship between wavelength and frequency.
## How do you calculate the wavelength of light?
... | HuggingFaceTB/finemath | |
GMAT Question of the Day: Daily via email | Daily via Instagram New to GMAT Club? Watch this Video
It is currently 07 Jul 2020, 21:27 ### 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 Pre... | HuggingFaceTB/finemath | |
+0
# pls help
0
13
1
A website-hosting service charges businesses a one-time setup fee of \$350 plus (d) dollars for each month. If a business owner paid \$1,010 for the first 12 months, including the setup fee, choose the correct equation and solve it.
May 1, 2023
#1
+135
+1
Value of D is 55 us dollars
Step-by-... | HuggingFaceTB/finemath | |
# Doubly stochastic matrix
Short description: A square matrix
In mathematics, especially in probability and combinatorics, a doubly stochastic matrix (also called bistochastic matrix) is a square matrix $\displaystyle{ X=(x_{ij}) }$ of nonnegative real numbers, each of whose rows and columns sums to 1,[1] i.e.,
$\di... | HuggingFaceTB/finemath | |
# nodal analysis
#### e-learner
Joined Apr 25, 2015
30
#### shteii01
Joined Feb 19, 2010
4,644
One of the initial assumptions is that all mesh currents are in the same direction.
You, the user, choose the direction. Either clockwise or counter clock wise.
Your Mesh 1 current is 2 A, you chose clockwise.
Your Mesh ... | HuggingFaceTB/finemath | |
# Counting Money
Counting Money - Coins - Elementary Math Lessons & Tests - My Schoolhouse - Online Learning
Learn to count pennies, nickels, dimes, and quarters. Learn how to add coins in this lesson. 1 penny, 1 cent, or 1¢ Count by one to count pennies. 1 cent, 2 cents, 3 cents,4 cents and so on. 1 nickel, 5 ce... | HuggingFaceTB/finemath | |
Margin Of Error Calculator
Margin of Error Calculator
The margin of error calculator is a time efficient tool that saves your hours when you need to calculate random sampling error in your data/survey.
In case you need the margin of error quickly computed, our sampling error calculator is just what you need!
What i... | HuggingFaceTB/finemath | |
# In an RLC series AC circuit, if frequency is below the resonant frequency, then
14 views
In an RLC series AC circuit, if frequency is below the resonant frequency, then (a) XC = XL (b) XC < XL (c) XC > XL (d) None of these
## Related questions
In a series RLC circuit operating below the resonant frequency the curr... | HuggingFaceTB/finemath | |
According to Lee et al. (2016), the histogram and frequency polygon graphs can be used for interval- and ratio-level data with which of the following exceptions? It will not necessarily "fit" the data. So, without any further ado, let’s quickly start off with our top 50 PMP ® exam questions & answers.. PMP ® Exam Quest... | open-web-math/open-web-math | |
# 5.1.1 Averaging and the coherence function
To get the most accurate estimate of a bridge admittance, or any other frequency response function of a linear system, it is advisable to make multiple measurements and use some form of averaging. We are dealing with a system like the sketch below, reproduced from section 2... | HuggingFaceTB/finemath | |
Practice Objectives
• Demonstrate an understanding of multi-digit multiplication
## Practice Multiplying Mult-Digit Whole Numbers
Instructions:
Answer 7/10 questions correctly to pass.
Find each product.
Problem:
Correct!
Not Correct!
Multi-Digit Multiplication of Whole Numbers:
1. Arrange the numbers being mu... | HuggingFaceTB/finemath | |
# Easy Math Formulas
Three - Dimensional Figures - Volume
In books, formulas are known as difficult by many people. Kids end up with harder - and longer to use - formulas. These formulas are almost garanteed to make a child make a mistake. Teenagers are expected to already learn them, and In college, sometimes instru... | HuggingFaceTB/finemath | |
# 5 Difference Between Specific Heat and Heat Capacity
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## What is Specific Heat?
The specific heat of a substance also sometimes referred to as massic heat capacityis the amount of heat that must be added to one unit of mass of the substance in order to cause an increase of one unit in temperature. The SI unit... | HuggingFaceTB/finemath | |
#### What is 54 percent of 2,710?
How much is 54 percent of 2710? Use the calculator below to calculate a percentage, either as a percentage of a number, such as 54% of 2710 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 | |
# Math for Game Programmers 05 – Vector Cheat Sheet
This is the long due fifth article in this series. If you aren’t comfortable with vectors, you might want to take a look at the first four articles in this series before: Introduction, Vectors 101, Geometrical Representation of Vectors, Operations on Vectors.
This c... | HuggingFaceTB/finemath | |
# Proof sought regarding injective functions
$f: X \to Y$ and $g: Y \to Z$ are injective functions.(for all $x_1x_2∈X$ if $f(x_1)=f(x_2)$ then $x_1=x_2$) How can I prove, that $(g \circ f)^ {-1}=f^ { -1 }\circ g^{-1 }$? (where by $f^ { -1 }$ I mean the inverse of $f$ http://en.wikipedia.org/wiki/Inverse_function )
We... | HuggingFaceTB/finemath | |
# Often asked: When work is done on a system and no heat is added, the temperature of the system?
## When a system does work and no heat is added?
Thermal equilibrium is an important concept in thermodynamics. When two systems are in thermal equilibrium, there is no net heat transfer between them. This occurs when th... | HuggingFaceTB/finemath | |
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Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
A335645 Smallest palindrome with exactly n distinct prime factors. 2
1, 2, 6, 66, 858, 6006, 222222, 20522502, 244868442, 6172882716, 231645546132, 49795711759794, 24159579... | HuggingFaceTB/finemath | |
# Going-up property
Given commutative rings $A$ and $B$, if $B$ is an $A$-algebra, under what conditions, other than $B$ being integral over $A$, will the Going-Up property hold? Is there a condition weaker than integrality for which Going-Up holds? If not, could one direct me to a proof that shows that Going-Up impli... | open-web-math/open-web-math | |
Duplicate quadratic Bézier curve with new start point?
I have Bézier curve as shown by the wikipedia gif here:
I would like to create a new curve that is a segment of the old one. For example, in this gif (from the same article):
.. if I wanted B to be the starting point of the new curve, but for the curve to follow... | HuggingFaceTB/finemath | |
# Difference between revisions of "2014 AIME II Problems/Problem 9"
## Solution 1 (Casework)
We know that a subset with less than 3 chairs cannot contain 3 adjacent chairs. There are only 10 sets of 3 chairs so that they are all 3 adjacent. There are 10 subsets of 4 chairs where all 4 are adjacent, and 10 * 5 or 50 w... | HuggingFaceTB/finemath | |
The amount of even numbers can be calculated easily, utilizing Arithmetic Progression as well as using the formula that the sum of all organic numbers. We currently know the the even numbers space the numbers, which are divisible by 2, beginning from 2 till infinity, such together 2, 4, 6, 8,10, 12,14, 16, and also so ... | HuggingFaceTB/finemath | |
# RVAT calculation in the Philippines
Última actualización hace 97 días
Calculate RVAT on an amount
## Do you want to calculate RVAT quickly and easily?
We have created a RVAT calculator on our website that you can use very easily. You can add RVAT to the amount or remove RVAT from the amount.
How to calculate RVA... | HuggingFaceTB/finemath | |
# Show that a convex compact set in $R^2$ can be cut into 4 sets of equal area by 2 perpendicular lines
Okay I need to show this using calculus and mean value theorem.
My try :
Let $D$ be a convex and compact set in $R^2$ Now let $R$ be a compact closed rectangle such that $D \subset R$. Draw two lines parallel to t... | HuggingFaceTB/finemath | |
# Excel Easter Date Calculations
Easter has passed for this year, but it’s never too early to figure out when Easter will occur next year. Then, you can book your vacation for that date, and be out of town when the family shows up for Easter dinner!
Last week, Excel MVP Jerry Latham showed us how to calculate distanc... | HuggingFaceTB/finemath | |
# Labouchere Strategy
The Labouchere Roulette strategy is way different than the most roulette strategies. This strategy uses a mathematical formula to provide the player a win. The strategy is not a simple rule which can be used every time but relies on mathematical facts which can improve chances of winning. For tha... | HuggingFaceTB/finemath | |
# Screening interview, math questions
Tags: | Posted by Admin on 3/7/2012 12:44 PM | Comments (6)
For starters, don't just automatically act all "Game Over, man!" when you hit a dead end! Also, it helps to try to keep talking as you come up with an answer, because silence is very uncomfortable for both you and the in... | HuggingFaceTB/finemath | |
operator - Maple Help
type/operator
check for a functional operator Calling Sequence type(f, operator) Parameters
f - any expression Description
• A functional operator in Maple is a special form of a function. See operators/functional or refer to the Functional Operators section of the Maple Expressions chapter... | HuggingFaceTB/finemath | |
# Stratified Monte Carlo
Consider the integral $I=\int_{0}^{1}e^{-x}dx$.
Now consider the stratifed Monte Carlo estimate $\hat{I^{s}}$, that has $N_{st}=8$ strata. What is the variance of $\hat{I^{s}}$? What is the percent reduction in variance over the simple Monte Carlo estimate?
This follows the problem I asked a... | HuggingFaceTB/finemath | |
# Given a normal population with mean 250 and standard deviation 10, a) should P(X = 259) be greater..
Given a normal population with mean 250 and standard deviation 10,
a) should P(X ≤ 259) be greater or smaller than 0.5?
b) for which sample size, n = 30 or n = 20 would P(X ≤ 259) be greater? (Hint: it can be expla... | HuggingFaceTB/finemath | |
# Reduced formula: $\int x^m \cdot e^x dx$
Please, I need find a reduced formula to $$\int x^m \cdot e^x dx$$ by parts integration method, I've found that every time I compute the m is reduced so: $m-1$, $m-2$, $m-3$, but I couldn't found the general formula.
Thanks so much.
-
$$I_m = \int x^m e^x dx = \int x^m d(e... | HuggingFaceTB/finemath | |
# Which of the following numbers is greater?
Which of the following numbers is greater? Without using a calculator and logarithm.
$$7^{55} ,5^{72}$$
My try
$$A=\frac{7^{55} }{5^{55}×5^{17}}=\frac{ 7^{55}}{5^{55}}×\frac{1}{5^{17}}= \left(\frac{7}{5}\right)^{55} \left(\frac{1}{5}\right)^{17}$$
What now?
• If you're... | HuggingFaceTB/finemath | |
# 1 Foot to Centimeter
Convert 1 (one) Foots to Centimeters (ft to cm) with our conversion calculator.
1 Foots to Centimeters equals 30.4800 cm.
• Meter
• Kilometer
• Centimeter
• Millimeter
• Micrometer
• Nanometer
• Mile
• Yard
• Foot
• Inch
• Light Year
• Meter
• Kilometer
• Centimeter
• Millimeter
• Micrometer
•... | HuggingFaceTB/finemath | |
# PSEB 10th Class Science Important Questions Chapter 13 Magnetic Effects of Electric Current
Punjab State Board PSEB 10th Class Science Important Questions Chapter 13 Magnetic Effects of Electric Current Important Questions and Answers.
## PSEB 10th Class Science Important Questions Chapter 13 Magnetic Effects of El... | open-web-math/open-web-math |
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