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Solutions by everydaycalculation.com
## Compare 70/72 and 14/9
1st number: 70/72, 2nd number: 1 5/9
70/72 is smaller than 14/9
#### Steps for comparing fractions
1. Find the least common denominator or LCM of the two denominators:
LCM of 72 and 9 is 72
2. For the 1st fraction, since 72 × 1 = 72,
70/72 = 70 × 1/72 ... | HuggingFaceTB/finemath | |
# WHY CURRENT IS A SCALAR QUANTITY
Current is a fundamental quantity in electricity that describes the flow of electric charge. Understanding its scalar nature is crucial for comprehending various electrical concepts and phenomena. In this article, we will delve into the reasons why the term "Electric Current" is cons... | HuggingFaceTB/finemath | |
# 初心に戻って、貝
• 貝や卵などの形のことをいじるのに、外積代数やら楕円関数やら、ボルツマン等式やらやったけれど、夏休みも終わりなので、元に戻って、貝
• 条件
> M
[,1] [,2] [,3] [,4]
[1,] 1.36836505 0.1216459 0.63585608 -0.5854620
[2,] -0.41765962 -1.7889032 0.21444323 0.6672658
[3,] -0.07303386 -0.9380238 0.03986569 -1.1766080
[4,] -0.47066985 0.4180992 -0.71966843... | HuggingFaceTB/finemath | |
# Conversion from Nanometer (nm) to Meter (m) and vice versa
Updated on by Stefan Banse
Here you can convert the Unit of length Nanometer into the unit Meter and vice versa you can convert Meter into Nanometer. By clicking the "Swap units" icon, you will always obtain the desired conversion in the calculation result,... | HuggingFaceTB/finemath | |
## 11.2 Short Term Business Decisions
#### Project selection: Payback period
The payback period is the time it takes for the cumulative sum of the annual net cash inflows from a project to equal the initial net cash outlay. In effect, the payback period answers the question: How long will it take the capital project ... | HuggingFaceTB/finemath | |
# Linear Arrangement of Letters & Numbers
## Linear Arrangement of Letters and Numbers
The Linear Arrangement of Letters and Numbers is a type of problem encountered in competitive exams. It involves arranging a series of letters and numbers in a linear order according to specific conditions or rules. Mastering this ... | HuggingFaceTB/finemath | |
[REQ_ERR: 500] [KTrafficClient] Something is wrong. Enable debug mode to see the reason. Calculating the probability of intersection? Intergreen Time Calculation Method of Signalized
# How to calculate the probability of intersection between.
In other words, this research has made an exploration of the probability me... | HuggingFaceTB/finemath | |
argument (see entry on Pascal’s Wager) it’s only by luck. collective level, the level of the whole belief corpus. actually derive a high value for $$p(R \wedge assignment of probabilities is reasonable, including Carnap’s. first 9 tosses tell us nothing about the 10th toss. Because you’re an imperfect estimator of larg... | open-web-math/open-web-math | |
### Solution
Suppose not. That is, suppose that (1) all trades are profitable for both or neither person; and (2) no two people make profitable trades with the same number of other people. Note that if a trade is profitable for neither person, it has no effect on the number of profitable trading partners, so let's res... | HuggingFaceTB/finemath | |
# Find the Value Using the Unit Circle cot(150 degrees )
Find the Value Using the Unit Circle cot(150 degrees )
Find the value using the definition of cotangent.
Substitute the values into the definition.
Simplify the result.
Multiply the numerator by the reciprocal of the denominator.
Cancel the common factor of .
Mo... | HuggingFaceTB/finemath | |
# Fluid Dynamics and a Counter-Intuition
### Share
#### Why would points of higher fluid speed have less pressure?
Have you ever wondered how a rabbit breathes inside an underground burrow? Ever wondered why a hurricane pulls everything up? What makes a 500 metric-ton Boeing 747 lift off the ground? All three of the... | HuggingFaceTB/finemath | |
P. 1
Physics 5013 Mathematical Methods of Physics
# Physics 5013 Mathematical Methods of Physics
|Views: 39|Likes:
Published by bmsjayalal
### More info:
Published by: bmsjayalal on Jul 04, 2012
Copyright:Attribution Non-commercial
### Availability:
Read on Scribd mobile: iPhone, iPad and Android.
download as PDF... | HuggingFaceTB/finemath | |
# Tally Marks
Tally Marks helps students count in multiple ways! For students from grades K-3, using tally marks such as tally mark worksheets and tally mark charts, provides an engaging platform for students to practice counting, skip counting by 5s, and recognize patterns. These activities not only improve their und... | HuggingFaceTB/finemath | |
## Abstract
This paper presents the mechatronic (mechanical and control system) design of a functional prototype of a portable mechanical ventilator to treat patients with a compromised respiratory function. The portable ventilator ensures adequate oxygenation and carbon dioxide clearance while avoiding ventilator-ind... | open-web-math/open-web-math | |
# Best answer: How many counts is a crochet music?
Contents
## How many counts is a measure of music?
Common time: 4/4 meter
In 4/4, the stacked numbers tell you that each measure contains four quarter note beats. So, to count 4/4 meter, each time you tap the beat, you’re tapping the equivalent of one quarter note.... | HuggingFaceTB/finemath | |
# Top 10 Examples of Kinetic Energy
A particle, a single body, or a system of objects moving together generates kinetic energy.
Kinetic energy is the energy of motion. It’t the potential energy of an object due to its motion, rather than its static position. In other words, kinetic energy is the energy that an objec... | HuggingFaceTB/finemath | |
Algebra -> Algebra -> Quadratic Equations and Parabolas -> Quadratic Equations Lessons -> Quadratic Equation Lesson -> Questions on Algebra: Quadratic Equation answered by real tutors! Log On
Ad: You enter your algebra equation or inequality - Algebrator solves it step-by-step while providing clear explanati... | HuggingFaceTB/finemath | |
# In this proof that a compact metric space is second countable, why exactly is the induced topology the same as the metric topology?
In reading this proof at PlanetMath: http://planetmath.org/encyclopedia/CompactMetricSpacesAreSecondCountable.html
Why is that induced topology the same as the metric topology? I only ... | HuggingFaceTB/finemath | |
### 64 HFOPDE, chapter 2.9.1
64.1 problem number 1
64.2 problem number 2
64.3 problem number 3
64.4 problem number 4
64.5 problem number 5
_______________________________________________________________________________________
#### 64.1 problem number 1
problem number 592
Problem 2.9.1.1 from Handbook of first orde... | HuggingFaceTB/finemath | |
# Tag Archives: binomial coefficient
## A combinatorial identity
$(*)\qquad\qquad\qquad\displaystyle\sum_{n\ge i\ge j\ge k\ge 0}\binom ni\binom ij\binom jk=4^n$.
One way to prove it is to count the number of possible triples $(A,B,C)$ of sets with $C\subseteq B\subseteq A\subseteq S=\{1,\dots,n\}$. This can be done ... | open-web-math/open-web-math | |
It is currently 16 Dec 2017, 01:28
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we will pick new questions that match your level based on your Ti... | HuggingFaceTB/finemath | |
# Am army officer wishes to arrange 4770 soldiers in the form of a square. After arranging he finds that 9 soldiers are left out. Find the nos. of soldiers in each row.
The given details are as follows,
Total number of soldiers =4770
Number of soldiers left out =9
Let the number of rows =x
Let the number of column... | HuggingFaceTB/finemath | |
Share
# In a Game, a Man Wins Rs 5 for Getting a Number Greater than 4 and Loses Rs 1 Otherwise, When a Fair Die is Thrown. the Man Decided to Thrown a Die Thrice but to Quit as and When He Gets a Number Greater than 4. Find the Expected Value of the Amount He Wins/Loses - CBSE (Commerce) Class 12 - Mathematics
#### ... | HuggingFaceTB/finemath | |
# Statistics
posted by .
The null and alternate hypotheses are:
H0: μ1 = μ2
H1: μ1 ≠ μ2
A random sample of 15 items from the first population showed a mean of 50 and a standard deviation of 5. A sample of 12 items for the second population showed a mean of 46 and a standard deviation of 15. Assume the sample popula... | HuggingFaceTB/finemath | |
On average, how many rolls of a fair die are needed to roll every face at least twice?
Ace2
Click the button below for the answer.
The answer is 1,172,906,043 / 48,600,000 = apx. 24.13387
Here is my solution. (PDF)
This question is asked and discussed in my forum at Wizard of Vegas.
There is a square dartboard of... | HuggingFaceTB/finemath | |
# Use half-cell potentials to calculate K_(eq) for the reaction below?
## $2 C u$ (s)$+ 2 {H}^{+}$ (aq)$\setminus \to {H}_{2}$ (g) E°_{Cu\toCu^(2+)}=-0.34 V My work: Jul 29, 2018
${K}_{e q} = 2.16 \times {10}^{-} 12$
#### Explanation:
$C {u}^{o} \left(s\right) + 2 {H}^{+} \left(a q\right) \implies C {u}^{+ 2} \left... | HuggingFaceTB/finemath | |
# Math
posted by Awesome
If no digit may be used more than once, how many 5 digit numbers can be formed using only the digits 3,8,1,2,5 and 7? my answer is 360
1. bobpursley
You have six digits, using five at once, no repeats..
Number= 6*5*4*3*2
2. Awesome
Thank you bobpursley
3. Anonymous
4. SmartKit
720!
U... | HuggingFaceTB/finemath | |
Home » Logarithm Product Rule
# Logarithm Product Rule
The logarithm product rule is:
logb(x · y) = logb(x) + logb(y)
b, x, y ∈ R+, b ≠ 1
R+ denotes the set of positive real numbers.
## Logarithm Product Rule Proof
x = blogb(x)), y = blogb(y))
⇒ x · y = blogb(x) · blogb(y)
We make use of an · am = an+m
x · y ... | HuggingFaceTB/finemath | |
# Verify that the numbers given alongside of the cubic polynomials below are their zeroes. Also verify the relationship between the zeroes and the coefficients in each case x^3 – 4x^2 + 5x – 2; 2, 1, 1 - Mathematics
Sum
Verify that the numbers given alongside of the cubic polynomials below are their zeroes. Also veri... | HuggingFaceTB/finemath | |
1. ## Functions
Alright, I'm trying to teach myself Calculus. It's an interesting development. But I guess I'm missing some mathematical background or I have the worst memory in the universe.
Here are a couple problems I'm having with the introductory topic in my Calculus book I bought for myself to learn from:
1. I... | HuggingFaceTB/finemath | |
# math.factorial() in Python with examples
We know that Python is a high-level programming language that provides multiple modules to make coding easy and efficient. One of such modules is ‘math’, which provides numerous functions such as factorial(), sqrt(), ceil(), fabs() etc. In this tutorial, we will be learning h... | HuggingFaceTB/finemath | |
# Banach space with an unconditional basis but not a quasi-greedy one?
A few years ago, Schechtman showed that $\ell_p(\ell_q)$ fails to admit a greedy basis whenever $1\leq p\neq q<\infty$. This furnishes an example of a Banach space with an unconditional basis but not a greedy one. However, I am also interested in t... | open-web-math/open-web-math | |
TOPICS
# Feuerbach Point
The point at which the incircle and nine-point circle are tangent. It has triangle center function
(1)
and is Kimberling center .
If is the Feuerbach point a triangle and , , and are the midpoints of the sides , , and , respectively, then one of the distances , , and is equal to the sum o... | HuggingFaceTB/finemath | |
## Calculus: Early Transcendentals 8th Edition
Published by Cengage Learning
# Chapter 5 - Section 5.4 - Indefinite Integrals and the Net Change Theorem - 5.4 Exercises: 43
#### Answer
$$\int^{1/\sqrt3}_{0}\frac{t^2-1}{t^4-1}dt=\frac{\pi}{6}$$
#### Work Step by Step
$$A=\int^{1/\sqrt3}_{0}\frac{t^2-1}{t^4-1}dt$$ ... | HuggingFaceTB/finemath | |
### All in the Mind
Imagine you are suspending a cube from one vertex (corner) and allowing it to hang freely. Now imagine you are lowering it into water until it is exactly half submerged. What shape does the surface of the water make around the cube?
### Qqq..cubed
It is known that the area of the largest equilate... | HuggingFaceTB/finemath | |
# Converting Gallons to Liters
## Worked Volume Unit Conversion Example Problem The gallon to liter conversion is a common volume conversion. Steve McAlister, Getty Images
This example problem demonstrates how to convert gallons to liters. Gallons and liters are two common units of volume. The liter is the metric vol... | HuggingFaceTB/finemath | |
UPSC Conducts Special Class Railway Apprentices (SCRA) Examination for selection of candidates to be appointed as Special Class Railway Apprentices in Mechanical Department of Indian Railways. Candidates who are preparing for the UPSC SCRA Exam in the forthcoming year can find out what kind of questions were asked in t... | HuggingFaceTB/finemath | |
# Data for a sample of houses sold recently in the suburb of a large metropolis - 25372
Solution Posted by
## SuperPower
Rating : (21)A
Solution Detail
Price: \$6.99
• From: Mathematics,
• Posted on: Wed 18 Sep, 2013
• Request id: None
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Request Description
Notes: Be... | HuggingFaceTB/finemath | |
## SSC CGL Exam - Excellent Trick to Solve Dice and Cube Problems
Before you want to check this post, you might be interested in following as well:
Cube
A cube is three-dimensional figure, having 8 corner, 6 surfaces and 12 edges.
Important Facts
If a cube is painted on all of its surfaces with the same colour and t... | HuggingFaceTB/finemath | |
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Home / Physic for A level & UTME / How to solve questions on Kinematics and deformation of solids
# How to solve questions on Kinematics and deformation of solids
The two questions below are 2013 UTME Physics – Type U
Q1
A train with an initial velocity of 20ms-1 is subjected to a uniform deceleration... | HuggingFaceTB/finemath | |
# Do the squares of an arithmetic progression ever sum to a power of three?
Can it be shown that
$$\sum_{q=0}^{u}(n+qd)^{2}\ne 3^t \ \ \ \ \forall n,d,u,t\in\mathbb{N}$$
Where we let $$\mathbb{N}$$ denote positive integers.
I am not confident there is no counterexample.
Edit, My attempted
If $$u=4k-1$$ then $$\su... | open-web-math/open-web-math | |
# Special Relativity
## Contents
### Special Relativity
Special relativity, a powerful theory of modern physics, deals with spacetime, and its behavior when an object is moving in a line; it is based on the axioms that the speed of light is constant in all reference frames, and that the laws of physics are valid in ... | HuggingFaceTB/finemath | |
Search for a tool
Octal System (Base 8)
Tool to convert to octal base (base 8) or from octal base. Octal base is mostly used in computer science. Numbers written in octal system use numbers from 0 to 7.
Results
Octal System (Base 8) -
Tag(s) : Arithmetics
Share
dCode and more
dCode is free and its tools are a val... | HuggingFaceTB/finemath | |
# Secure double encryption using CPA and CCA
Do you mind if you give me any hints, links or ideas about how to improve the security of double regular encryption and decryption, by using CPA game and CCA game, it sounds interesting question, and I'm still discussing it with my classmate. Given the following info,
The ... | HuggingFaceTB/finemath | |
Why can't FullSimplify give more uniform output?
• To: mathgroup at smc.vnet.net
• Subject: [mg119734] Why can't FullSimplify give more uniform output?
• From: Jacare Omoplata <walkeystalkey at gmail.com>
• Date: Sun, 19 Jun 2011 19:28:53 -0400 (EDT)
Hello,
I ask this question just out of curiosity.
Below is my inp... | HuggingFaceTB/finemath | |
# Chapter 3- Two dimensional Kinematics
## Vectors and scalars
Vector quantities with number, direction and units:
• Displacement $\vec{r}$ [m]
• Velocity $\vec{v}$ [ms-1]
• Acceleration $\vec{a}$ [ms-2]
Scalar quantities number and units only
• Distance traveled [m]
• Speed [ms-1]
## Graphical representation of ... | HuggingFaceTB/finemath | |
# How do you solve the following system using substitution?: 5x+2y=-4, -3x+y=20
May 7, 2018
$\left(x , y\right) \to \left(- 4 , 8\right)$
#### Explanation:
$5 x + 2 y = - 4 \to \left(1\right)$
$- 3 x + y = 20 \to \left(2\right)$
$\text{rearrange equation "(2)" to express y in terms of x}$
$\text{add "3x" to both... | HuggingFaceTB/finemath | |
Make up to \$500 this semester by taking notes for StudySoup as an Elite Notetaker
> > > > Problem 1BSC
# Wilcoxon Signed-Ranks Test for Freshman 15The following
## Problem 1BSC Chapter 13.3
Elementary Statistics | 12th Edition
• 2901 Step-by-step solutions solved by professors and subject experts
• Get 24/7 help f... | HuggingFaceTB/finemath | |
# Question a7a70
Sep 25, 2016
Given
$u \to \text{Initial velocity of camera} = 0$
$g \to \text{Acceleration due to gravity} = 3.7 \frac{m}{s} ^ 2$
$h \to \text{Height of fall of camera} = 239 m$
v->"Final velocity of camera"=?
t->"Time of fall of camera"=?#
By kinematics equation
${v}^{2} = {u}^{2} + 2 g h$
... | HuggingFaceTB/finemath | |
# Tackling the Logiker 2023 Vintage Computing Christmas Challenge – part 2
See also: part 1, part 2, part 3 and part 4.
As I write this, I have no idea how to make this work. Producing this pattern:
` * * * * * * * * * * * * * * ** * * * * * * * * * * * * * * * * * ... | HuggingFaceTB/finemath | |
## P1
Relying on what you learned of runtime analysis in data-structures, what is the worst-case running time of algorithm linearSearch given below? What is the best case running time?
Algorithm: linearSearch
Input: $A$, a sorted array of $n$ ints, and $x$, an int to search for
Output: $k$, an index such that $A[k] =... | HuggingFaceTB/finemath | |
# The distance between the points (2,1) and (x,7) as graphed on the standard (x,y) coordinate plane is 10. What is one possible value for x?
The distance between the points (2,1) and (x,7) as graphed on the standard (x,y) coordinate plane is 10. What is one possible value for x?
A. -10
B. -6
C. 5
D. 8
# Could you re... | HuggingFaceTB/finemath | |
# Let $a,b$ be real numbers between $0\; and\; 1$ such that $z_1=1+bi,z_2=a+i$ and $z_3=0$ forms an equilateral triangle then
$\begin{array}{1 1}(A)a=b=\sqrt 3 -1 \\ (B) a=b=2- \sqrt 3 \\ (C) a= \sqrt 3 -1 ,b= 2- \sqrt 3 \\(D) None\;of\;these \end{array}$
$0 < a,b < 1$
$\mid z_1-z_2\mid=\mid z_2-z_3\mid =\mid z_3-z_1... | HuggingFaceTB/finemath | |
Waiting for answer This question has not been answered yet. You can hire a professional tutor to get the answer.
QUESTION
# The work function of an element is the energy required to remove an electron from the surface of the solid element. The work function for lithium is 279.7 kJ/mol. What is the maximum wavelength ... | HuggingFaceTB/finemath | |
Ch 10. Open-Channel Flow fl Multimedia Engineering Fluids UniformFlow GraduallyVaried Flow Rapidly VariedFlow
Chapter 1. Basics 2. Fluid Statics 3. Kinematics 4. Laws (Integral) 5. Laws (Diff.) 6. Modeling/Similitude 7. Inviscid 8. Viscous 9. External Flow 10. Open-Channel Appendix Basic Math Units Basic Equations Wat... | HuggingFaceTB/finemath | |
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# Power Pivot Principles: The A to Z of DAX Functions – CROSSJOIN
29 November 2022
In our long-established Power Pivot Principles articles, we continue our series on the A to Z of Data Analysis eXpression (DAX) functions. This week, we look at CROSS... | HuggingFaceTB/finemath | |
Solve the system of equations by graphing.
Online Tutoring Is The Easiest, Most Cost-Effective Way For Students To Get The Help They Need Whenever They Need It.
In the method of graphing the given data, expressions or equations are graphed to solve and analyze the given question. Graphing is a very useful method in m... | HuggingFaceTB/finemath | |
# ALU Help Classic List Threaded 29 messages 12
Open this post in threaded view
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## ALU Help
I'm having difficulties trying to understand the ALU and writing the hdl for it. I've tried filling out this chart but I know I'm doing something wrong due to my lack of understanding. http://nand2tetris-questions-and-answ... | HuggingFaceTB/finemath | |
##### Find the x and y intercepts for a line that passes through (-3,10) and (4,20)
label Algebra
account_circle Unassigned
schedule 1 Day
account_balance_wallet \$5
Doing last-minute work...yeah
Feb 2nd, 2015
Assuming the line equation is y=mx+b
Input (-3,10) -3m+b=10 (1)
Input (4,20) 4m+b=20 (2)
Eq... | HuggingFaceTB/finemath | |
Newton's Laws, bungee jump problem
1. Jul 24, 2011
jehan4141
A 55-kg bungee jumper has fallen far enough that her bungee cord is beginning to stretch and resist her downward motion. Find the force (magnitude and direction) exerted on her by the bungee cord at an instant when her downward acceleration has a magnitude... | HuggingFaceTB/finemath | |
### Time and Work
* If a man can do a piece of work in 5 days, then his one day’s work is 1/5.
* If a man can complete a piece of work in A days and another man can complete the same work in B days, then they together can complete the work in AB/A + B days.
* Similarly, three persons A, B and C together can complete ... | HuggingFaceTB/finemath | |
Home » Mechanics » Non-Contact Force – Definition, Types, and Examples
# Non-Contact Force – Definition, Types, and Examples
As we already know, force is the push or pull that an object feels when it interacts with another object. This push or pull causes the object to change its state, either from rest or from movin... | HuggingFaceTB/finemath | |
# Multiplying up to Three Digits Using the Standard Algorithm—Let's Practice! Rating
Ø 3.7 / 3 ratings
The authors Team Digital
## Basics on the topicMultiplying up to Three Digits Using the Standard Algorithm—Let's Practice!
Today we are multiplying up to three digits using the standard algorithm with Razzi! This v... | HuggingFaceTB/finemath | |
Top 7 Space-Time Complexity Algorithms You Must Know
Some developers may be stuck on the concept of the "Big O" time complexity analysis. So you should read about how big-O work on this article.
From the image above, you get the ideas of how a balanced tree looks like. "Big O" is about a problem in relation to the si... | HuggingFaceTB/finemath | |
This site is supported by donations to The OEIS Foundation.
Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
A059707 If all digits have the same parity, stop; otherwise write down the number formed by the even digits and the number formed by the odd digits and multiply them; repeat. 4
0, 1, 2, ... | HuggingFaceTB/finemath | |
# Structure for Realization of Discrete Time System MCQ Quiz – Objective Question with Answer for Structure for Realization of Discrete Time
1. The general linear constant coefficient difference equation characterizing an LTI discrete time system is?
A. y(n)=-$$\sum_{k=1}^N a_k y(n-k)+\sum_{k=0}^N b_k x(n-k)$$
B. y(... | HuggingFaceTB/finemath | |
# UKPCS Science: Physics- Newton Laws of Motion #3
Oracle IAS, the best coaching institute for UPSC/IAS/PCS preparation in Dehradun brings to you UKPCS Science (paper #6).
NEWTON’S LAWS OF MOTION
Newton’s first law of motion states that an object at rest remains at rest and an object in motion remains in motion with... | HuggingFaceTB/finemath | |
# Rotational Inertia Physics C 1. Homework Statement
A solid sphere (mass of m, radius of r and I=2/5 mr2) is rolling without slipping on
a rough surface with a speed of v. A ramp (mass of 2m and angle of θ) rests on a
smooth surface and is free to slide on the surface. As the ball rolls up the ramp, the
ramp begins t... | HuggingFaceTB/finemath | |
## Find out whether number is of Power of Two
is taken from leetcode
Given an integer, write a function to determine if it is a power of two.
Example 1:
Input: 1
Output: true
Explanation: 20 = 1
Example 2:
Input: 16
Output: true
Explanation: 24 = 16
Example 3:
Input: 218
Output: false
My solution
/** * ... | open-web-math/open-web-math | |
### Home > CC2MN > Chapter 9 Unit 9 > Lesson CC2: 9.1.1 > Problem9-18
9-18.
A pair of shoes originally costs $\42$ but is on sale for $33\%$ off. What is the new price? Show how you know. Homework Help ✎
Think of $33\%$ as $3(10\%)+3(1\%)$.
$10\%$ of $\42$ is $\4.20$
$1\%$ of $\42$ is $\0.42$
$\28.14$ | HuggingFaceTB/finemath | |
Thread: unbiased estimate for p in geometric(p)
1. unbiased estimate for p in geometric(p)
let X be a geometric(p)
find unbiased estimate c for p.
can und an unbiased estimate for 1/p but don't know how to find for p.
2. Since E(X)=p.
Obtain E(1/X), which won't be p, but it's a start.
3. Lets start with the probab... | HuggingFaceTB/finemath | |
# Math/Physics
I am unsure of what exactly I am looking for in this problem...
One of the highlights of the Calaveras Fair, besides the bullfrog jumping contest, is the watermelon seed spitting contest. The seed spitting is being done in the direction of s ⃗=5i ⃗+j ⃗. The wind velocity during the contest is w ⃗=i ⃗+4... | HuggingFaceTB/finemath | |
# SQRT(x-2)-1 = 0
• Oct 16th 2012, 02:57 PM
wolfwood
SQRT(x-2)-1 = 0
Needing some review with solving this
SQRT(x-2)-1 = 0
I carried the 1 over making
SQRT(x-2)= 1
at this point do I want to carry the 2 over as well?
or do I square the 1 right away?
• Oct 16th 2012, 03:03 PM
skeeter
Re: SQRT(x-2)-1 = 0
square bot... | HuggingFaceTB/finemath | |
# Chaotic Love: What math can tell us about how relationships evolve
I’m very proud to say that Nanaya solves a problem that hasn’t been solved before: determining the value in time of relationships and the option of possible relationships. The Nanaya algorithm has to be pretty complicated to do all of that – a machin... | HuggingFaceTB/finemath | |
# Temperature and Compressing Water?
• ryan albery
In summary, when a liquid is subjected to a pressure greater than its atmospheric pressure, its temperature may increase, decrease, or stay the same.
ryan albery
Does anybody know what happens to the temperature of water when it's subject to a very high pressure? Say ... | HuggingFaceTB/finemath | |
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# Ssc cgl aptitude questions solution Evening shift held on 29th August Tier 1
Below we have tried to give questions which were asked in Ssc cgl aptitude questions solution with Solution Evening shift. These questions have been taken on memory base. As exams are computer based, students forget few numbers an... | HuggingFaceTB/finemath | |
1. ## Induction Proof.........
Prove by induction that the number of 2-subsets of an n-set A equals n(n-1)/2.
2. Originally Posted by st4rl1ight
Prove by induction that the number of 2-subsets of an n-set A equals n(n-1)/2.
First please note that a 2-subset is a subset of a set on n elements containing exactly 2 elem... | HuggingFaceTB/finemath | |
Chapter 4.2, Problem 40E Elementary Geometry For College St...
7th Edition
Alexander + 2 others
ISBN: 9781337614085
Solutions
Chapter
Section Elementary Geometry For College St...
7th Edition
Alexander + 2 others
ISBN: 9781337614085
Textbook Problem
R S T V is a kite, with R S ¯ ⊥ S T ¯ and R V ¯ ⊥ V T ¯ . If m... | HuggingFaceTB/finemath | |
Search a number
1021081 is a prime number
BaseRepresentation
bin11111001010010011001
31220212122211
43321102121
5230133311
633515121
711451625
oct3712231
91825584
101021081
11638176
12412aa1
132999b9
141c8185
15152821
hexf9499
1021081 has 2 divisors, whose sum is σ = 1021082. Its totient is φ = 1021080.
The previous ... | HuggingFaceTB/finemath | |
#### You may also like ### Some(?) of the Parts
A circle touches the lines OA, OB and AB where OA and OB are perpendicular. Show that the diameter of the circle is equal to the perimeter of the triangle ### Baby Circle
A small circle fits between two touching circles so that all three circles touch each other and hav... | HuggingFaceTB/finemath | |
AP Physics - Internal Resist/Capacitance
A nine volt battery produces, well, 9 volts would be good, right? Actually it produces a bit more
voltage than advertised and uses some of it up before it even gets a chance to leave the battery. This
is because batteries have internal resistance.
The voltage drop across the ba... | HuggingFaceTB/finemath | |
It is currently 23 Nov 2017, 21:24
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# Comp 101 Math and Variables
## Fun with Math!
As we have learned, variables are used to store pieces of information. This makes it really easy for us as programmers to manipulate values.
For example, imagine we want to keep track of the amount of likes you have on an instagram photo.
via GIPHY
1. We first want t... | HuggingFaceTB/finemath | |
# Solve laplace's equation on semi infinite strip
1. Feb 14, 2012
### nathangrand
$\nabla$^2(Z)=0
Z= 0 for x=0, y=0
Z= x(1-x) for y=0
Z=0 for y=infinity
Range 0<x<1 and y>0 (suppose strictly speaking should be x=1 and x=0 too)
So all I want to do is solve this
Use separation of variables:
X''/X = a^2 = -Y''/Y
... | HuggingFaceTB/finemath | |
# NCERT Solutions for Class 8 Maths
Find 100% accurate solutions for NCERT Class VIII Math. All questions have been explained and solved step-by-step, to help you understand thoroughly. Free Download option available!
1.
2.
3.
4. Solution:
5. (i) No, a polyhedron cannot have 3 triangles for its faces.
(ii) ... | HuggingFaceTB/finemath | |
# Why You Can't Use Resistors as a Voltage Regulator
People, all the time, use a simple resistor-based voltage divider to change 5v into 3.3v. You see it all over the place. For instance, when you want to get your 5V Arduino to communicate with a 3.3V ESP8266 - you use two resistors (10K and 22K say) to drop the 5V of... | HuggingFaceTB/finemath | |
# Does anyone know how to implement a simple XL Algorithm in sage?
I need to implement the XL algorithm in sage, which i can use to solve over-determined systems of polynomial equations (more equations than variables). Any help on how to do this?
edit retag close merge delete
Is this relevant:
http://doc.sagemath.o... | HuggingFaceTB/finemath | |
number : approximation
Rounding to a required number of decimal places
The key is to look at the number after the required number of decimal places.
e.g. write 7.7186 to 3 decimal places(d.p.)
The 6 is what is called the 'decider'.
If this number is '5' or more, then the 3rd decimal is 'rounded up'. Less than '5' ... | HuggingFaceTB/finemath | |
# Strategy 10: Trial and Error
## Version 1: Make a Reasonable Guess and then Refine It
For some problems, the fastest way to a solution is to make a reasonable guess at the answer, check it, and then improve on your guess. This is especially useful if the number of possible answers is limited. In other problems, thi... | HuggingFaceTB/finemath | |
# E-permutation and Kronecker delta identity
Homework Helper
## Homework Statement
$$\text{Show that } \epsilon_{ijk} \epsilon_{mjk} = 2\delta_{im}$$
## Homework Equations
$$\begin{equation*} \epsilon_{ijk} \epsilon_{mnp} = \left| \! \begin{array}{ccc} \delta_{im} & \delta_{in} & \delta_{ip} \\ \delta_{jm} & \delt... | HuggingFaceTB/finemath | |
### Math Property Posters for my Math Teacher Friends (PSSS... Whit!)
Pinned By - My Family Mealtime
#### OVERVIEW:
Math Property Posters for my Math Teacher Friends (PSSS... Whit!) is a educational Infographics - By My Family Mealtime.It helps students in grades 3 practice the following standards 3.OA.B.5.
This pa... | HuggingFaceTB/finemath | |
# Tutorial on Introduction to biostatistics
Variable classification according to their nature
a. Independent variables
Variables that can either be manipulated by the researcher or which are not outcomes of the study but still affect its results are called independent variables. A good example is age of the su... | HuggingFaceTB/finemath | |
## the population after t years can be modeled by -300+150,000 and 500t + 200,000. what is the difference in populations in the cities when t=6
Question
the population after t years can be modeled by -300+150,000 and 500t + 200,000. what is the difference in populations in the cities when t=6 in the populations
in p... | HuggingFaceTB/finemath | |
## Intermediate Algebra (12th Edition)
$\left[ -\dfrac{11}{2},-\dfrac{1}{2} \right]$
$\bf{\text{Solution Outline:}}$ To solve the given inequality, $|-2x-6| \le 5 ,$ use the definition of absolute value inequalities. Use the properties of inequalities to isolate the variable. For the interval notation, use a parenthes... | HuggingFaceTB/finemath | |
Solutions by everydaycalculation.com
## Compare 4/40 and 70/63
1st number: 4/40, 2nd number: 1 7/63
4/40 is smaller than 70/63
#### Steps for comparing fractions
1. Find the least common denominator or LCM of the two denominators:
LCM of 40 and 63 is 2520
Next, find the equivalent fraction of both fractional numb... | HuggingFaceTB/finemath | |
# 1.5: Quadratic Equations with Complex Roots
$$\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{... | HuggingFaceTB/finemath | |
[time 866] Re: [time 864] Re: [time 861] Re: [time 860] Re: [time 855] Re: [time 847]Unitarity of S-matrix
Sun, 3 Oct 1999 16:06:37 +0900
Dear Matti,
Matti Pitkanen <matpitka@pcu.helsinki.fi> wrote:
Subject: [time 864] Re: [time 861] Re: [time 860] Re: [time 855] Re: [time
847]Unitarity of S-matrix
>
>
> On Sun, 3... | open-web-math/open-web-math | |
number theory geometry/math homework
Mathematics Tutor: None Selected Time limit: 1 Day
An artist wants to construct a rectangular wall from square tiles. the wall is 72 inches long & 42 inches wide. All sqare tiles must be the same size & length of the sides of the tiles must be a whole # . Find 3 different square ... | HuggingFaceTB/finemath | |
# Entropy and the Second Law of Thermodynamics Practice Questions
The following physics revision questions are provided in support of the physics tutorial on Entropy and the Second Law of Thermodynamics. In addition to this tutorial, we also provide revision notes, a video tutorial, revision questions on this page (wh... | HuggingFaceTB/finemath | |
# Thread: when is this true for integral
1. ## when is this true for integral
what is the condition for this statement to be true?
2. Originally Posted by szpengchao
what is the condition for this statement to be true?
They may be more general hypothesis for the Fundemental Theorem of Calculus, but I know that this... | HuggingFaceTB/finemath |
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