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Computer Science Canada Programming C, C++, Java, PHP, Ruby, Turing, VB Username: Password: Wiki Blog Search Turing Chat Room Members
Shooting Help
Author Message
evan467
Posted: Tue Feb 09, 2010 11:34 am Post subject: Shooting Help
Ive tried many different ways to do this but im starting to draw blank... | HuggingFaceTB/finemath | |
# 153 US gallons in centiliters
## Conversion
153 US gallons is equivalent to 57916.8002952 centiliters.[1]
## Conversion formula How to convert 153 US gallons to centiliters?
We know (by definition) that: $1\mathrm{usgallon}\approx 378.5411784\mathrm{centiliter}$
We can set up a proportion to solve for the number... | HuggingFaceTB/finemath | |
# How would I determine if there is at least 1 integer that can satisfy 5 congruences all at once? [closed]
How would I determine if there is at least 1 integer that can satisfy 5 congruences all at once? Would I prove it individually? For example A->B->C->D->E->A
## closed as not a real question by Will Jagy, Andrés... | HuggingFaceTB/finemath | |
# Maths - AxisAngle to Matrix
## Equations
We can express the 3×3 rotation matrix in terms of a 3×3 matrix representing the axis (The 'tilde' matrix is explained here):
[R] = [I] + s*[~axis] + t*[~axis]2
or equivalently:
[R] = c*[I] + s*[~axis] + t*([~axis]2 + [I])
which can be expanded out to give the terms of t... | HuggingFaceTB/finemath | |
# Trigonometric identities?
Watch
Announcements
#1
I need to simplify
tan(x)*√(1-sin⁻²(x))
the only two identities I can use are tan(x)=sin(x)/cos(x) and sin²(x)+cos²(x)=1 (these are the only identities in the specification of the course I’m studying)
How would I get rid of the square root?
0
1 month ago
#2
(Origin... | HuggingFaceTB/finemath | |
# What Is Height of a Tree in Data Structure McQ?
//
Heather Bennett
The height of a tree is an important concept in data structures. It represents the maximum number of edges between the root node and any leaf node in the tree. In simpler terms, it measures the depth or level of a tree.
## Understanding Trees
In ... | HuggingFaceTB/finemath | |
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# For anisotropic solids, coefficient of volume expansion is most appropriately given as (where symbols have their usual meanings)A. $3{\alpha _x}$B. ${\alpha _x} + {\alpha _y} + {\alpha _z}$C. $2{\alpha _x} + 2{\alpha _y}$D. $3{\alpha _z} + {\alp... | HuggingFaceTB/finemath | |
# How to integrate a vector function in spherical coordinates?
### How to integrate a vector function in spherical coordinates?
In my specific case, it's an electric field on the axis of charged ring (see image below), the integral is pretty easy, but I don't understand how handle the vector $(r,\theta,\phi)$ while i... | HuggingFaceTB/finemath | |
# Teresa Giudice Gets An Astrology Profile (11/25/2019)
How will Teresa Giudice perform on 11/25/2019 and the days ahead? Let’s use astrology to complete a simple analysis. Note this is not at all guaranteed – do not take this too seriously. I will first find the destiny number for Teresa Giudice, and then something s... | HuggingFaceTB/finemath | |
10.2 - Stepwise Regression
10.2 - Stepwise Regression
In this section, we learn about the stepwise regression procedure. While we will soon learn the finer details, the general idea behind the stepwise regression procedure is that we build our regression model from a set of candidate predictor variables by entering a... | HuggingFaceTB/finemath | |
# The price of petrol rises by 60%. By what percentage should one minimise the use of petrol so that the expenditure towards petrol is not affected?
This question was previously asked in
IB ACIO Grade II Previous Paper 13 (Held on: 20 Feb 2021 Shift 3)
View all IB ACIO Papers >
1. 36.5
2. 38.5
3. 35.5
4. 37.5
Option ... | HuggingFaceTB/finemath | |
# Multivariable Calculus
Here, you find my whole video series about Multivariable Calculus in the correct order and I also help you with some text around the videos. If you have any questions, you can contact me and ask anything. However, without further ado let’s start:
### Introduction
Multivariable Calculus is a ... | HuggingFaceTB/finemath | |
# sir,can u tell me how to find orthocentre from the given coordinates in short cut method
embizze | High School Teacher | (Level 2) Educator Emeritus
Posted on
We are asked to find the orthocenter of a triangle given the coordinates of the vertices:
First, we know that the orthocenter is the point of concurrency o... | HuggingFaceTB/finemath | |
# Physic Vector Problem
• Paymemoney
## Homework Statement
Find the components of the vector $$\vec{C}$$ with length c = 1.00 and angle $$\phi = 30.0^{\circ}$$ as shown.
## Homework Equations
$$opp=hypcos(\theta)$$
$$adj=hypcos(\theta)$$
## The Attempt at a Solution
tried to use the above equations to answer the... | HuggingFaceTB/finemath | |
1. ## Parametric Equations
Thanks to those who realised that I had typed the question wrong... here is the correct version
Please may someone help me solve this question:
A curve is defined by the parametric equations
x = 5 + 2cosθ, y = 3cos2θ
a) Show that dy/dx = 6cosθ
b) Verify that 2(y+3) = 3(x-5)^2 is a cartesia... | HuggingFaceTB/finemath | |
Hong Kong
Stage 1 - Stage 3
# Order of Operations II
Lesson
In Maths in Order, we learnt about the order of operations we used to simplify expressions.
Remember
Step 1: Do operations inside grouping symbols such as parentheses (...), brackets [...] and braces {...}.
Step 2: Do multiplication (including powers) a... | HuggingFaceTB/finemath | |
# What is the date 28 days from January 3?
## Friday January 31, 2025
Adding 28 days from Friday January 03, 2025 is Friday January 31, 2025 which is day number 031 of 2024. This page is designed to help you the steps to count 28, but understand how to convert and add time correctly.
• Specific Date: Friday January ... | HuggingFaceTB/finemath | |
# The Activity Selection Problem
## What is the Activity Selection Problem?
• In this problem we have a set of n activities $S = \{a_1, a_2, \ldots, a_n\}$.
• Assume the activities are sorted by increasing finish time
• Each activity has a start time $s_i$ and a finish time $f_i$
• Only one activity can happen at a t... | HuggingFaceTB/finemath | |
## Conversion formula
The conversion factor from ounces to pounds is 0.0625, which means that 1 ounce is equal to 0.0625 pounds:
1 oz = 0.0625 lb
To convert 849 ounces into pounds we have to multiply 849 by the conversion factor in order to get the mass amount from ounces to pounds. We can also form a simple proport... | HuggingFaceTB/finemath | |
## Friday, 10 May 2013
### A Great Student Question!
I had a great lesson come as a result of the Flipped Class with my year 8s the other day. We were working on solving linear equations, and during our WSQ conversations at the start of the lesson a few students in one group asked "How do you solve an equation with 2... | HuggingFaceTB/finemath | |
0
# What is the answer to 2 over 5 plus 4 over 15?
Updated: 9/21/2023
Wiki User
12y ago
2/5 = 6/15 + 4/15 = 10/15 = 2/3
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12y ago
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### What is 4 over 5 plus 2 over 15?
4/5 + 2/15 = 14/15
15 OV... | HuggingFaceTB/finemath | |
## Interest rate equation finance
The formula to calculate compound interest is the principal amount multiplied by 1, plus the interest rate in percentage terms, raised to the total number of compound periods. Calculating simple interest or the amount of principal, the rate, or the time of a loan can seem confusing, b... | HuggingFaceTB/finemath | |
## Presentation on theme: "7th Grade Integrated Science"— Presentation transcript:
The Metric System 7th Grade Integrated Science
Metric System Why do we use it? It is used in all science and medicine
It is used all over the world (except 3 countries) It is based on 10 It has small accurate units
Quick: What does t... | HuggingFaceTB/finemath | |
# Manoj deposited Rs. 29,400 for 6 years at a simple interest. He got Rs. 4,200 as interest after 6 years. The annual rate of interest was -
This question was previously asked in
ACC 121 GMAT Paper (Held in Aug 2019)
View all ACC Exam Papers >
1. $$2\frac{8}{{21}}$$%
2. $$2\frac{7}{{20}}$$%
3. $$3\frac{8}{{21}}$$%
4. ... | HuggingFaceTB/finemath | |
# Solving Systems of Linear Equations: Substitution
## Gus and Alyce Gus the snail and his friend, Alyce, are gliding towards each other along straight lines.
1. If Gus glides along the line $y = 3x + 3$ and Alyce glides along the line $y = 3x + 4$, will they crash into each other if they continue along their current... | HuggingFaceTB/finemath | |
# How many standard deviation units at the baseline of a normal curve?
## How many standard deviation units at the baseline of a normal curve?
The standard normal distribution always has a mean of zero and a standard deviation of one.
## What is the standard deviation of a normal curve?
The standard normal distribu... | HuggingFaceTB/finemath | |
Welcome to A2Z Homeschooling!
Homeschooling is more than just education at home. Homeschool parents, children, tutors, and anyone interested in learning online, a structured home classroom or unstructured unschooling will find A2Z Home's Cool an "cool" home school blog.
Not a member yet?
Creating a login will allow ... | HuggingFaceTB/finemath | |
# Weakly directive VHF/UHF antenna
Most resources around the internel discuss common antena types, classifying them between directive (like Yagi) and nondirective (like a simple dipole). Directive antennas are good when you know from which direction you are receiving a signal and would like to collect as much of it as... | open-web-math/open-web-math | |
# Domain and Range Worksheet 3 (with Answer Key)
Functions in mathematics can be compared to the operations of a vending (soda) machine. When you put in a certain amount of money, you can select different types of sodas. Similarly, for functions, we input different numbers and we get new numbers as the result. Domain ... | HuggingFaceTB/finemath | |
Courses
# PPT - Correlation Commerce Notes | EduRev
## Commerce : PPT - Correlation Commerce Notes | EduRev
``` Page 1
LOGO
CORRELATION
ANALYSIS
Page 2
LOGO
CORRELATION
ANALYSIS
Introduction
?Correlation a LINEAR association between two
random variables
?Correlation analysis show us how to determine
both the natur... | HuggingFaceTB/finemath | |
# 32520
## 32,520 is an even composite number composed of four prime numbers multiplied together.
What does the number 32520 look like?
This visualization shows the relationship between its 4 prime factors (large circles) and 32 divisors.
32520 is an even composite number. It is composed of four distinct prime numb... | HuggingFaceTB/finemath | |
# Review • MHR 95
In document IB grade 9 Math book-Chapter2 (Page 58-61)
### Chapter 2 Review
2.1 Hypotheses and Sources of Data, pages 42⫺47
1. State a hypothesis about a relationship between each pair of variables. Then, state the opposite hypothesis.
a) the temperature in a town during the summer and the volume... | HuggingFaceTB/finemath | |
Car started at 11:40 at speed 54 km/h from A and to B arrived at 12:20. Determine the distance A and B.
Result
x = 36 km
#### Solution:
Leave us a comment of example and its solution (i.e. if it is still somewhat unclear...):
Be the first to comment!
#### To solve this example are needed these knowledge from mat... | HuggingFaceTB/finemath | |
Engineering Questions with Answers - Multiple Choice Questions
# Environmental Engineering MCQ’s – Population Equivalent and Relative Stability
1 - Question
The average standard BOD of domestic sewage is measured in ____________
a) ppm
b) Kg/day
c) Kg per person per day
d) Number of persons per day
Explanation: The... | HuggingFaceTB/finemath | |
## Probability and Statistics Terms
06 Nov 2014
Curriculum Think Stats Statistics Book Terms IPython
### Initial Probability and Statistics Concepts
In this post, we’ll take a look at some terms that you probably already know, mixed with some that may be a little more foreign (or maybe just more forgotten). However... | HuggingFaceTB/finemath | |
# Sequence of monotone functions converging to a continuous limit, is the convergence uniform?
I'm reading some extreme value theory and in particular regular variation in Resnick's 1987 book Extreme Values, Regular Variation, and Point Processes, and several times he has claimed uniform convergence of a sequence of f... | HuggingFaceTB/finemath | |
[ List Earliest Comments Only For Pages | Games | Rated Pages | Rated Games | Subjects of Discussion ]
# Single Comment
Bipartite Chess. Small chess variant with two phases. (5x7, Cells: 43)
Nicholas Kuschinski wrote on 2003-04-08 UTCPoor ★
This game is bogus. I'm going to begin with the more trivial problems, and wi... | HuggingFaceTB/finemath | |
# 1985 AJHSME Problem 14
## Problem
The difference between a $6.5\%$ sales tax and a $6\%$ sales tax on an item priced at $20$ before tax is $\text{(A)}$ $.01$ $\text{(B)}$ $.10$ $\text{(C)}$ $.50$ $\text{(D)}$ $1$ $\text{(E)}$ $10$
## Solution
We are looking for $0.5\%$ of $20,$ which is $20 \cdot \frac{0.5}{100} ... | HuggingFaceTB/finemath | |
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## Voltage Transformation Ratio When Secondary Lea... | HuggingFaceTB/finemath | |
# Practise Counting Up to Solve Subtractions
In this worksheet, students will work out a subtraction by counting up using a number line.
Key stage: KS 2
Curriculum topic: Number: Addition and Subtraction
Curriculum subtopic: Solve Add/Subtract Problems to 1000
Difficulty level:
#### Worksheet Overview
In th... | HuggingFaceTB/finemath | |
# Equivalent fraction for 4/6
2/3
## How do you write an equivalent fraction?
Summary:
• You can make equivalent fractions by multiplying or dividing both top and bottom by the same amount.
• You only multiply or divide, never add or subtract, to get an equivalent fraction.
• Only divide when the top and bottom sta... | HuggingFaceTB/finemath | |
## Essentials of Statistics (5th Edition)
By using the results from before: $\mu=0.7186.$ Variance=$\frac{\sum (x-\mu)^2}{n}=\frac{(0.56-0.7186)^2+(0.75-0.7186)^2+...+(0.88-0.7186)^2}{7}=0.13.$ Standard deviation=$\sqrt{variance}=\sqrt{0.13}=0.36$ Range=maximum value-minimum value=$1.25-0.1=1.15$. | HuggingFaceTB/finemath | |
Calculus
posted by .
Find the slope m of the tangent line to the graph of the function at the given point and determine an equation of the tangent line.
f(x) = 7 x - 2 x^2 text( at ) \(-1,-9\)
m =
y =
• Calculus -
dy/dx = 7 - 4x
at (-1,-9)
dy/dx = m = 7 - 4(-1) = 11
plug in point
-9 = 11 (-1) + b
-9 = -11 + b
b = 2... | HuggingFaceTB/finemath | |
Home > Statistical Methods calculators > Sample Skewness, Kurtosis for ungrouped data calculator
Solve any problem (step by step solutions) Input table (Matrix, Statistics)
Mode :
SolutionHelp
Solution
Problem: skewness {85,96,76,108,85,80,100,85,70,95} [ Calculator, Method and examples ]
Solution:
Your problem -> s... | HuggingFaceTB/finemath | |
# Nine algorithms for machine learning---naive Bayesian classifier
Source: Internet
Author: User
Nine algorithms for machine learning---naive Bayesian classifier
To understand the Naive Bayes classification
Bayesian classification is a generic term for a class of classification algorithms, which are based on Bayesi... | HuggingFaceTB/finemath | |
# Application Of Variance In Statistics
Chapter 4 Variances and covariances Yale University. TEST: No use variance will be granted without showing by you (the applicant) that applicable zoning regulations and restrictions have caused unnecessary hardship., Lectures on Statistics William G. Faris 1.3 The sample varianc... | HuggingFaceTB/finemath | |
### Quantitative Aptitude - Chain Rule
#### Question - 1
If the cost of x metres of wire is d rupees,then what is the cost of y metres of wire at the same rate?
• A Rs.$({xy\over d})$
• B Rs.(xd)
• C Rs.(yd)
• D $Rs.({yd\over x})$
#### Question - 2
If the price of 6 toys is Rs.264.37, what will be the approximate ... | HuggingFaceTB/finemath | |
# Find $\lim_{(x,y)\rightarrow (0,0)}\frac{\sin (xy)}{x+y}$
Find $$\lim_{(x,y)\rightarrow (0,0)}\frac{\sin (xy)}{x+y}$$ exist or DNE.
$$f(x,y)$$ along the lines $$y=mx$$ \begin{align} \lim_{(x,mx)\rightarrow (0,0)}\frac{\sin (mx^2)}{x+mx}&=\lim_{x\rightarrow 0}\left(\frac{\sin (mx^2)}{x}\frac{1}{1+m}\right)\\ &=0 \en... | HuggingFaceTB/finemath | |
### Name: ____________ Date ______________ 4 and 6 as factors. Find each product.
6 x 9 = 4 x 9 = 6 x 5 = 4 x 7 = 6 x 3 = 4 x 4 = 6 x 6 = 4 x 2 = 6 x 7 = 3 x 4= 6 x 10 = 4 x 6 =
What is 6 times 9? ___________ What is 8 times 6? ___________ Write a number sentence for the picture below. A groups of kids went to see ... | HuggingFaceTB/finemath | |
Budget plan
In the construction of the building, the planned budget exceeded 13%, which was 32,500 euros. How many euros cost built the building?
Result
x = 282500 Eur
Solution:
0.13 p = 32500
x = p + 32500
0.13p = 32500
p-x = -32500
p = 249999.999998
x = 282499.999998
Calculated by our linear equations calcul... | HuggingFaceTB/finemath | |
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# Calculate compound interest for Rs 10,000 for 1 year at 8% compounded semi – annually.(a) 817(b) 816(c) 815(d) None of these
Last updated date: 17th Jul 2024
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Views today: 5.50k
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Hint: The amount for a p... | HuggingFaceTB/finemath | |
How to Prepare
Find LSAT Classes Local LSAT Courses One-on-One Tutors Find Tutors Near You Free LSAT Course Intro 300-page course Admissions Help View Admissions Videos Free Sample LSAT Try an LSAT section LSAT Essay Demo Take practice essays
Intro to the LSAT Information & registration LSAT & Admissions How ... | HuggingFaceTB/finemath | |
Physics Help Forum (http://physicshelpforum.com/physics-help-forum.php)
- Energy and Work (http://physicshelpforum.com/energy-work/)
- - Is this spring elastic problem erroneous? (http://physicshelpforum.com/energy-work/10169-spring-elastic-problem-erroneous.html)
jlyu002 Jun 30th 2014 02:24 PM
Is this spring ... | HuggingFaceTB/finemath | |
#### What is 83.5 percent of 3,600,000?
How much is 83.5 percent of 3600000? Use the calculator below to calculate a percentage, either as a percentage of a number, such as 83.5% of 3600000 or the percentage of 2 numbers. Change the numbers to calculate different amounts. Simply type into the input boxes and the answe... | HuggingFaceTB/finemath | |
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# Linear Matrix Inequalities vs Convex Sets
## Igor Klep Math Dept Everywhere in Solvenia
Scott McCullough Math Dept University of Florida
Chris Nelson
UCSD NSA
Victor Vinnikov
Ben Gurion U of the Negev
1
2
Math Dept
UCSD
NCAlgebra1
NCSoSTools2
Igor Klep
## Ingredients of Talk: LMIs and ... | HuggingFaceTB/finemath | |
ScommaMaruj
2022-07-01
Proving that the sum of fractions has an odd numerator and even denominator.
I'm struggling to show that, for all $n>1$
$1+\frac{1}{2}+\frac{1}{3}+\cdots +\frac{1}{n}=\frac{k}{m}$
where $k$ is an odd number and $m$ is an even number.
Proof: The proof is by induction on $n$
Base Case: $1+\frac{... | HuggingFaceTB/finemath | |
The smarter way
to do assignments.
Please note that this is just a preview of a school assignment posted on our website by one of our clients. If you need assistance with this question too, please click on the Order button at the bottom of the page to get started.
Consider the following probability model. For a set o... | HuggingFaceTB/finemath | |
# What is parallel and perpendicular axis theorem and how to use them?
+2 votes
2.5k views
in JEE
Moment of inertia of a uniform circular disc about a diameter is I. Its moment of inertia about an axis perpendicular to its plane and passing through a point on its rim will be:
a)I
b)3I
c)6I
d)8I
Also explain how t... | HuggingFaceTB/finemath | |
A simple question about probability
Assume that on average, only $1$ in $80$ calls made by a teleseller can he/she approaches a potential client. So
1.) what is the probability that a teleseller fails to approach any potential client in $1000$ calls made,and
2.) what is the least number of calls that a teleseller ha... | HuggingFaceTB/finemath | |
Solutions by everydaycalculation.com
1st number: 6 0/14, 2nd number: 18/30
84/14 + 18/30 is 33/5.
1. Find the least common denominator or LCM of the two denominators:
LCM of 14 and 30 is 210
2. For the 1st fraction, since 14 × 15 = 210,
84/14 = 84 × 15/14 × 15 = 1260/210
3. Likewise, for the 2nd fraction, since 30 ×... | HuggingFaceTB/finemath | |
### Theory:
Let us discuss what linear pair of angles are.
Definition:
Linear pair is a type of angle formed by two adjacent angles, whose non-common sides are opposite rays.
In other words, the sum of the linear pair of angles is supplementary ($$180^{\circ}$$).
In the figure, the sum of the linear angles $$POR$$ an... | HuggingFaceTB/finemath | |
# 9.2.2 Phase Relationship in Graphs
We must be able to calculate the phase difference when the information is presented to us in graphs.
Displacement-Distance Graph
Sometimes you’re given a displacement-distance graph (like the one below) and asked to calculate the phase difference between two oscillations (at two ... | HuggingFaceTB/finemath | |
# How does weight/mass affect angular momentum?
How does weight/mass affect angular momentum?
For my 8th gr science fair project I have to do an experiment on angular momentum. My problem is that we have not been taught any of that in physics yet, nor will my teacher even explain it this year but she expects us to fi... | HuggingFaceTB/finemath | |
# Trigonometric Equation
We extensively use of the graphs of the functions sine, cosine and tangent in order to solve these equations. In trigonometric equations, a number of angles and their trigonometric ratios are used frequently. A list of these angles and their sines, cosines, and tangents are given below.
— $... | HuggingFaceTB/finemath | |
# Financial Stability Review – October 2020Box B: Business Failure Risk in the COVID-19 Pandemic – Technical Appendix
This Technical Appendix outlines the assumptions underpinning the scenario analysis in Box B. It also discusses some of the ABS BLADE data definitions and limitations and how the data are cleaned prior... | open-web-math/open-web-math | |
# 82
## Nearby Numbers
Positive, nonzero integers within three units
79
Seventy-Nine
80
Eighty
81
Eighty-One
83
Eighty-Three
84
Eighty-Four
85
Eighty-Five
## Scientific Notation
Scientific notation expresses a quantity as the product of its significand with 10 raised to an integer exponent.
## Reciprocal
A numbe... | HuggingFaceTB/finemath | |
# Ton? Definition, Symbol & Examples
Home » Math-Vocabluary » Ton? Definition, Symbol & Examples
## What Is a Ton?
A ton is a unit of weight in the US customary system, where 1 ton is equal to 2000 pounds. The US ton is also called a short ton. Thus, when we say a ton, we mean a short ton.
1 US ton $= 2000$ lbs
It... | HuggingFaceTB/finemath | |
# Minimal polynomial (field theory)
For the minimal polynomial of a matrix, see Minimal polynomial (linear algebra).
In field theory, a branch of mathematics, a minimal polynomial is defined relative to a field extension E/F and an element of the extension field E. The minimal polynomial of an element, if it exists, ... | HuggingFaceTB/finemath | |
# Describing Data: Frequency Tables, Frequency Distributions, and Graphic Presentation Chapter 2.
## Presentation on theme: "Describing Data: Frequency Tables, Frequency Distributions, and Graphic Presentation Chapter 2."— Presentation transcript:
Describing Data: Frequency Tables, Frequency Distributions, and Graph... | HuggingFaceTB/finemath | |
# Taylor series and second derivative test: the degenerate case.
1. Oct 22, 2011
### nobahar
Hello!
I am wondering if someone could let me know if my understanding is right or wrong. The Taylor series gives the function in the form of a sum of an infinite series. From this an approximation of the change in the func... | HuggingFaceTB/finemath | |
##### April 20, 2020
Human society has a lot of very, very hard decisions to make in the days ahead. These will require us to make a host of predictions: How will the epidemic spread if we do this versus that? How will the economy be affected if we follow that course of action rather than this one?
One of the major c... | HuggingFaceTB/finemath | |
Discover a lot of information on the number 6319: properties, mathematical operations, how to write it, symbolism, numerology, representations and many other interesting things!
Mathematical properties of 6319
Is 6319 a prime number? No
Is 6319 a perfect number? No
Number of divisors 4
List of dividers 1, 71, 89, 631... | HuggingFaceTB/finemath | |
# 7 Test yourself
1. Consider a rv $$X$$ with probability function: $f_X(x) = \lambda \exp(-\lambda x)\qquad\text{where \lambda>0}$ for $$x>0$$.
1. Decide if $$X$$ is discrete or continuous.
2. Determine and sketch the CDF.
3. Compute $$\Pr(x>3)$$.
4. Compute the mean and variance of $$X$$.
1. Consider a rv $$W$$ with... | HuggingFaceTB/finemath | |
## Matrix Notation – A Quick Introduction
##### Vectors and Matrices
Vector and matrix notation is a convenient and succinct way to represent dens data structures and complex operations. It’s application is called matrix algebra, but should be viewed simply as an extension of traditional algebra, as opposed to an alt... | HuggingFaceTB/finemath | |
## 581935
581,935 (five hundred eighty-one thousand nine hundred thirty-five) is an odd six-digits composite number following 581934 and preceding 581936. In scientific notation, it is written as 5.81935 × 105. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 465,544 po... | HuggingFaceTB/finemath | |
# Superpattern
In the mathematical study of permutations and permutation patterns, a superpattern is a permutation that contains all of the patterns of a given length. More specifically, a k-superpattern contains all possible patterns of length k.[1]
## Definitions and example
If π is a permutation of length n, repr... | HuggingFaceTB/finemath | |
# 20.3: Doing Bayesian Estimation
We ultimately want to use Bayesian statistics to make decisions about hypotheses, but before we do that we need to estimate the parameters that are necessary to make the decision. Here we will walk through the process of Bayesian estimation. Let’s use another screening example: Airpor... | HuggingFaceTB/finemath | |
-->
One Percent of 1.5 million - Calculations
# One Percent of 1.5 million - Calculations
Percentage Calculation
Translate the written statement into a mathematical statement, and then compute the result.
What is one percent of 1.5 million?
Replace the words "one percent" with 1%.
Replace the word "of" with a mul... | HuggingFaceTB/finemath | |
Factors of 1582
So you need to find the factors of 1582 do you? In this quick guide we'll describe what the factors of 1582 are, how you find them and list out the factor pairs of 1582 for you to prove the calculation works. Let's dive in!
Want to quickly learn or show students how to find the factors of 1582? Play t... | HuggingFaceTB/finemath | |
Q. 235.0( 1 Vote )
Using matrices, s
Given: x + 2y - 3z = - 4, 2x + 3y + 2z = 2 and 3x - 3y - 4z = 11
To find: Solution of the system of the equations i.e. values of x, y and z which satisfy these equations
To solve this equation and get values of x, y and z, we have:
AX = B where,
Now, check whether the system h... | HuggingFaceTB/finemath | |
GMAT Question of the Day - Daily to your Mailbox; hard ones only
It is currently 10 Dec 2019, 05:17
### 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.
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# 13.3 Geometric sequences (Page 4/6)
Page 4 / 6
## Verbal
What is a geometric sequence?
A sequence in which the ratio between any two consecutive terms is constant.
How is the common ratio of a geometric sequence found?
What is the procedure for determining whether a sequence is geometric?
Divide each term in... | HuggingFaceTB/finemath | |
# What is sine of -117 degrees (negative)? sin(-117°)?
## Sine Function Calculator
Type a value like: 60, -30, pi/3, 3pi/2, etc.
Angle:
Unit:
### Answer:
Result here!
Use our sin(x) calculator to find the sine of -117 degrees - sin(-117 °) - or the sine of any angle in degrees and in radians.
### Trigonometric F... | HuggingFaceTB/finemath | |
New Zealand
Level 7 - NCEA Level 2
# Period changes for tangents
Lesson
We saw, in another chapter, how the period of the sine and cosine functions is affected by the coefficient $k$k that multiplies $x$x in $\sin kx$sinkx and $\cos kx$coskx.
The fact that the sine and cosine functions both have period $360^\circ$3... | HuggingFaceTB/finemath | |
Discover a lot of information on the number 8090: properties, mathematical operations, how to write it, symbolism, numerology, representations and many other interesting things!
## Mathematical properties of 8090
Is 8090 a prime number? No
Is 8090 a perfect number? No
Number of divisors 8
List of dividers 1, 2, 5, 10... | HuggingFaceTB/finemath | |
1. Chapter 5 Class 10 Arithmetic Progressions
2. Serial order wise
3. Ex 5.3
Transcript
Ex 5.3 ,10 Show that a1, a2 , an , form an AP where an is defined as below (i) an = 3 + 4n .Also find the sum of first 15 terms an = 3 + 4n Hence series is 7, 11, 15, .. Since difference is same, it is an AP Common difference = d ... | HuggingFaceTB/finemath | |
# Potentiometer Math
## Introduction
I have an application where a potentiometer may be useful. In fact, it would be useful if the potentiometer had a logarithmic resistance characteristic, which is also called an audio taper for reasons that I will cover later. I have never used a potentiometer with a logarithmic ch... | HuggingFaceTB/finemath | |
# The potential energy U is equal to the work you must do to move an object from the U=0 reference point to the position r. The reference point at which you assign the value U=0 is arbitrary, so may be chosen for convenience, like choosing the origin of a coordinate system.
The energy is expressed as a scalar product,... | HuggingFaceTB/finemath | |
How to measure in the standard basis?
I saw some related topics, but none of them give step by step instructions on measuring in standard basis (or some other basis). Could you please give such instructions? Giving an example would be good, too.
• Possible duplicate of Measuring in standard basis meaning Nov 21 '18 a... | HuggingFaceTB/finemath | |
AP Physics
posted by .
A glider on an air track carries a flag of length through a stationary photogate that measures the time interval td during which the flag blocks a beam of infrared light passing across the gate. The ratio vd = / td is the average velocity of the glider over this part of its motion. Suppose the ... | HuggingFaceTB/finemath | |
# Visualizing The Area of a Triangle Formula
Build an understanding of the area relationship between triangles and rectangles through this set of Area of a Triangle Number Talk Prompts.
## In This Set of Visual Number Talk Prompts…
Students will emerge the formula for the area of a triangle by taking half of the are... | HuggingFaceTB/finemath | |
Percent Calculator
## 11.1% of 10004 is 1110
Calculate percent
What is% of?
## How to calculate 11.1 percent of 10004
• step 1: 11.1%*10004 =
• step 2: (11.1:100)*10004 =
• step 3: (11.1*10004):100 =
• step 4: 1.110e+5:100=1110
Answer: 11.1 of 10004 is 1110
## 11.1% of other values:
• 11.1% of 15006 = 1666
• 11.... | HuggingFaceTB/finemath | |
# Week 3 Homework
## Unlock all answers in this set
question
The U.S. Department of Housing and Urban Development (HUD) uses the median to report the average price of a home in the United States. Why do you think HUD uses the median?
HUD uses the median because the data are skewed to the right, and the median is b... | HuggingFaceTB/finemath | |
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Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
A275435 Triangle read by rows: T(n,k) is the number of 00-avoiding binary words of length n having degree of asymmetry equal to k (n>=0; 0<=k<=floor(n/2)). 1
1, 2, 1, 2, 3, 2, 2, 4, 2, 5... | HuggingFaceTB/finemath | |
## University Calculus: Early Transcendentals (3rd Edition)
$\frac{dy}{dx}=\frac{1}{\ln{5}}\frac{3}{3x-7}$
$y=\log_{5}{({3x-7})}=\frac{\ln{({3x-7})}}{ln5}$ On differentiating both sides: $\frac{dy}{dx}=\frac{1}{ln{5}}\frac{d(\ln{({3x-7})})}{dx}$ $\frac{dy}{dx}=\frac{1}{\ln{5}}\frac{1}{(3x-7)}\frac{d(3x-7)} {dx}$ $\fra... | HuggingFaceTB/finemath | |
Lab Report Friction
Topics: Force, Classical mechanics, Mass Pages: 3 (752 words) Published: September 24, 2005
Hypothesis: For an increase in a normal force, there will be a corresponding increase in friction.
Introduction: Force is usually connected with a push or pull exerted on an object. In this experiment, I am... | HuggingFaceTB/finemath | |
# Euler problems/1 to 10
## 1 Problem 1
Add all the natural numbers below 1000 that are multiples of 3 or 5.
Solution:
```sumOnetoN n = n * (n+1) `div` 2
problem_1 = sumStep 3 999 + sumStep 5 999 - sumStep 15 999
where
sumStep s n = s * sumOnetoN (n `div` s)```
## 2 Problem 2
Find the sum of all the even-valued t... | HuggingFaceTB/finemath | |
Search a number
BaseRepresentation
bin10000001000000001
310100121021
4100020001
54103144
61225441
7363364
oct201001
9110537
1066049
1145695
1232281
13240a9
141a0db
1514884
hex10201
66049 has 3 divisors (see below), whose sum is σ = 66307. Its totient is φ = 65792.
The previous prime is 66047. The next prime is 66067.... | HuggingFaceTB/finemath | |
# Ask Uncle Colin: How do I look at matrices
Ask Uncle Colin is a chance to ask your burning, possibly embarrassing, maths questions -- and to show off your skills at coming up with clever acronyms. Send your questions to colin@flyingcoloursmaths.co.uk and Uncle Colin will do what he can.
Dear Uncle Colin
How can yo... | HuggingFaceTB/finemath | |
# Question Video: Finding Unit Vectors in the Same Direction as a Given Vector Mathematics
Find the unit vector in the same direction as the vector −3𝐢 + 5𝐣.
02:16
### Video Transcript
Find the unit vector in the same direction as the vector negative three 𝐢 plus five 𝐣.
We know that the unit vector 𝐕 hat is ... | HuggingFaceTB/finemath |
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