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# Vector addition and basis vectors | Linear algebra makes sense
Vectors may seem very difficult when you’re first introduced to them, but I hope this video helps you see they’re not that scary! This video will be especially useful for vectors in physics. We’ll cover vector addition and what vectors are. This is the s... | HuggingFaceTB/finemath | |
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Friction Questions and Answers:Solved Important Questions Class 11 Physics
Get important questions and answers of Friction for Board exams. View 11th Physics important questions for exam point of view developed by the top IITian faculties from Kota. These imp... | HuggingFaceTB/finemath | |
# Thread: [SOLVED] expected value
1. ## [SOLVED] expected value
Here is my problem:
Find the expected value of g(X) = X^2 - 5X + 3, if the probability density is given by:
f(x) = { $\displaystyle \frac{x}{2} for 0<x<1$
$\displaystyle \frac{1}{2} for 1<x<2$
$\displaystyle \frac{3-x}{2} for 2<x<3$
0 elsewhere
Can any... | HuggingFaceTB/finemath | |
# Difference between revisions of "1977 Canadian MO Problems/Problem 1"
## Problem
If $f(x)=x^2+x,$ prove that the equation $4f(a)=f(b)$ has no solutions in positive integers $a$ and $b.$
## Solution
Directly plugging $a$ and $b$ into the function, $4a^2+4a=b^2+b.$ We now have a quadratic in $a.$
Applying the quad... | HuggingFaceTB/finemath | |
# What do the degrees mean on a compass?
## What do the degrees mean on a compass?
The numbers around the outside of the dial are degrees. There are 360 degrees or azimuths. They represent 360 directions that you can travel from any point. The four cardinal directions are north, south, east, and west and are stated a... | HuggingFaceTB/finemath | |
## Tìm x,y biết: { x + y = 5 { 5x + 2y = 19
Question
Tìm x,y biết:
{ x + y = 5
{ 5x + 2y = 19
in progress 0
1 năm 2021-09-25T14:45:44+00:00 2 Answers 9 views 0
1. Em xem hình
2. $\text { Đáp án: }$
$\left \{ {{x+y=5} \atop {5x+2y=19}} \right.$
<=> $\left \{ {{y=5-x} \atop {5x+2y=19}} \right.$
<=> $\left \{ ... | HuggingFaceTB/finemath | |
# NCERT Solutions for Class 12 Physics
NCERT Exemplar Problems Class 12 Physics Solutions Pdf free download was designed by expert teachers from the latest edition of NCERT Exemplar Books to get good marks in board exams. Here we have given CBSE NCERT Exemplar Problems with Solutions for Class 12 Physics.
## FAQ – NC... | HuggingFaceTB/finemath | |
# What is 78% of 33?
## Solution and how to solve it
78% of 33 is 25.74
Calculating the percent of a number is simple, but can be a bit tricky if you aren't careful. Luckily, it only requires a few basic operations to get to the solution: multiplication and division. If you haven't learned what percentage is yet, or... | HuggingFaceTB/finemath | |
# saying 4³ [four powered three / four power three?]
< Previous | Next >
#### Godo159
##### Senior Member
Hi, I'm a teacher in a bilingual program, and we have a doubt with maths language. I know that you can read aloud 4³ as "four cubed", "four raised to the third power", and "four to the third". Also, SolAguila to... | HuggingFaceTB/finemath | |
GreeneMath.com - Parallel & Perpendicular Lines Test
Parallel & Perpendicular Lines Test
When we have two parallel lines, the slopes will be the same, but the y-intercepts will be different. When we have perpendicular lines, the product of the slopes will be -1. To determine if we have parallel or perpendicular line... | HuggingFaceTB/finemath | |
You are on page 1of 7
# O’Neill Center for Academic Development
## Algebra Practice Questions
Please work on the following problems without a calculator
1 2 3 4 3
1. = 2.
4 3 4 5 8
7 5 2 3
3. 4. 1
8 6 3 4
1 3 3 4 2
5. 7 6.
2 5 2 1 5
## 7. 0.02 0.01 = 8. 0.025 + 4.12 =
Solving Proporti... | HuggingFaceTB/finemath | |
# Engineering Mathematics II Honors Sections 819–820 ```Math 152
Engineering Mathematics II
Honors Sections 819–820
Fall 2002
Second Examination
Work all five problems. These are essay questions. To obtain maximal
1. Determine the centroid of the unbounded region in the first quadrant
of the x–y plane lying below the g... | HuggingFaceTB/finemath | |
# What is the investment multiplier?
Contents
## What is the formula for investment multiplier?
The ratio of ΔY to ΔI is called the investment multiplier. It can be derived, as follows, from the equilibrium condition (Y = C + I + G) together with the consumption equation (C = a + bY).
## What is investment multipli... | HuggingFaceTB/finemath | |
## 24351
24,351 (twenty-four thousand three hundred fifty-one) is an odd five-digits composite number following 24350 and preceding 24352. In scientific notation, it is written as 2.4351 × 104. The sum of its digits is 15. It has a total of 2 prime factors and 4 positive divisors. There are 16,232 positive integers (u... | HuggingFaceTB/finemath | |
# How do you factor 4(x^3)-8(x^2)-25x+50?
Aug 29, 2016
$4 {x}^{3} - 8 {x}^{2} - 25 x + 50 = \left(2 x - 5\right) \left(2 x + 5\right) \left(x - 2\right)$
#### Explanation:
The difference of squares identity can be written:
${a}^{2} - {b}^{2} = \left(a - b\right) \left(a + b\right)$
We use this with $a = 2 x$ and ... | HuggingFaceTB/finemath | |
Categories
# Wave On A String Simulation Answer Key
Answer to solved gravitational force and orbits name. Set the simulation to No End top right 4.
Tenth Grade Lesson Periodic Motion And Waves Betterlesson
### Record wavelength number 1 05 cm and frequency at 100 and then increase the amplitude height and keep the ... | HuggingFaceTB/finemath | |
### Cumulative frequency (9)
```Cumulative frequency (9)
Contents
1
What is cumulative frequency?
1
2
Cumulative frequency curve
1
3
Using the cumulative frequency graph to answer questions
2
4
Other calculations
3
Introduction
In the notes on “Averages & Spread” we saw that it is too difficult to find a median from a... | HuggingFaceTB/finemath | |
Want to share your content on R-bloggers? click here if you have a blog, or here if you don't.
This function is not perfect, but it does a reasonable job estimating sunrise and sunset times for my field site. If more accurate data are required, try here. Note, the command to calculate day of year is: strptime(x, “%m/%... | HuggingFaceTB/finemath | |
# How to solve the next field of this Kenken-Puzzle by logic?
First of all here is the spoiler free Kenken-Puzzle for everyone who likes to solve this on her/his own. Now here is how far I come with this, but now I struggle a lot. What I am looking for is only one more field solved with a logical explanation why this ... | HuggingFaceTB/finemath | |
0
# Instantaneous Rate Of Change Formula
Instantaneous Rate Of Change: The rate of change at one known instant is the Instantaneous rate of change, and it is equivalent to the value of the derivative at that specific point. So it can be said that, in a function, the slope, of the tangent is equivalent to the instanta... | HuggingFaceTB/finemath | |
# Find subgraphs that can only be reached by two nodes
I want to find subgraphs in a graph that are only connected to the rest of the graph by two nodes; for example, node A is connected to the rest of the graph, as well as node F, but nodes B-E are only connected to each other and A and F (don't have to be fully conn... | HuggingFaceTB/finemath | |
# Pumps
The tank is filled with two pumps in 16 minutes. The first pump is filled in 30 minutes earlier than two one. How many minutes is filled with the first pump?
Result
t1 = 22.9 min
#### Solution:
Leave us a comment of example and its solution (i.e. if it is still somewhat unclear...):
Be the first to comme... | HuggingFaceTB/finemath | |
## Take My Schur Complement Class
A "Schur Complement Class" QE" is a basic mathematical term for a generalized consistent expression which is utilized to fix differential equations and has services which are routine. In differential Class solving, a Schur Complement function, or "quad" is utilized.
The Schur Complem... | HuggingFaceTB/finemath | |
# Find All X Values Satisfying the Equation (Absolute Value)
#### NK8485
##### New member
I'm working on some algebra homework and am a little stumped by this one problem.
It is asking for all x-values that satisfy the equation.
I understand the concept of absolute values, so far the problems have been:
lxl=5 to w... | HuggingFaceTB/finemath | |
The Observed Significance of a Test
This section explains what the observed significance of a test is, including how to compute and use it in the p-value approach.
The Observed Significance
The conceptual basis of our testing procedure is that we reject $H_{0}$ only if the data that we obtained would constitute a ra... | HuggingFaceTB/finemath | |
# What Does ∧ Mean In Math?
## What does this symbol mean in math?
These symbols have the same meaning; commonly × is used to mean multiplication when handwritten or used on a calculator 2 × 2, for example.
The symbol * is used in spreadsheets and other computer applications to indicate a multiplication, although * ... | HuggingFaceTB/finemath | |
#### What is 3060 percent of 538?
How much is 3060 percent of 538? Use the calculator below to calculate a percentage, either as a percentage of a number, such as 3060% of 538 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 | |
Sum of series with non-common ratio [duplicate]
In the following series:
$\displaystyle\sum\limits_{n=1}^{\infty}n*\frac{1}{2^n}$
I've found that the series converges to 2 by looking it up but how would one calculate the summation? You can't use the formula for a geometric sum because the series' terms don't differ ... | open-web-math/open-web-math | |
# What is 12 times 73?
Here we answer one simple question: What is 12 times 73? (or what is 12 multiplied by 73) Here is the answer:
### 12 x 73 = 876
Learning the multiplication of 12 times 73 is an essential skill for problems based upon fractions, decimals, and percentages. It helps in solving real-life problems ... | HuggingFaceTB/finemath | |
What is 20 percent of 80?
Nov 29, 2016
$16$
Explanation:
20%" " of " "80=?
$\text{ }$
$\frac{20}{100} \times 80$
$\text{ }$
$= \frac{1600}{100} = 16$
Aug 4, 2017
$16$
Explanation:
20% is the same as $\frac{20}{100}$ which is the fraction $\frac{1}{5}$
To find one fifth of a number is the same as dividing by $5... | HuggingFaceTB/finemath | |
If the sequence X1, X2, X3, , Xn, is such thatX1 = 3 andXn+1 : Quant Question Archive [LOCKED]
Check GMAT Club Decision Tracker for the Latest School Decision Releases http://gmatclub.com/AppTrack
It is currently 22 Jan 2017, 13:22
### GMAT Club Daily Prep
#### Thank you for using the timer - this advanced tool can... | HuggingFaceTB/finemath | |
## Saturday, February 15, 2014
### Derivative - Chain Rule, 8
Category: Differential Calculus, Algebra
"Published in Vacaville, California, USA"
Given the following functions:
Find dy/dx.
Solution:
The first thing that we need to do is to get the derivative of the given functions with respect to their independen... | HuggingFaceTB/finemath | |
{[ promptMessage ]}
Bookmark it
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MMEeconometricssoln
MMEeconometricssoln - 2011 Steven Tschantz Econometrics...
This preview shows pages 1–3. Sign up to view the full content.
© 2011 - Steven Tschantz Econometrics Luke Froeb and Steven Tschantz 3/29/11 Exercises Complete the following exercises... | HuggingFaceTB/finemath | |
## Units & Prefixes
### Introduction
It is important to know the standard units used in electronics. In many cases quantities are very small or very large and prefixes or standard form are used to make the numbers more manageable. Using prefixes, and converting between prefixes and standard form, is a key skill when ... | HuggingFaceTB/finemath | |
# Problem with deriving joint/marginal PDF
1. Apr 12, 2012
### lolproe
Hi, I'm having a problem with a MATLAB assignment in my probability class. It has to do with finding the joint and marginal PDFs of a pair of random variables. I understand this stuff on paper, but for some reason this assignment is giving me pro... | HuggingFaceTB/finemath | |
# Thread: Function and Relation Help!
1. ## Function and Relation Help!
Please help me with this problem. How can I form equations out of the given relations and graph each?
Here is the given relations
a. (2, 1), (1, -1), (-1, -5), (-2, -7)
b. (1, -2), (2, -4), (-1, 2)
Example:
(4,8), (2,4), (-4,-8), (-1,-2), (3,... | HuggingFaceTB/finemath | |
# Parallel Effect Search in Genetic Algorithms
The thing genetic algorithms do efficiently—Parallel Effect Search —is not difficult to describe or demonstrate. It’s been under our noses since schemata and schema partitions were defined as concepts, but for various reasons, which I won’t get into here, it’s not widely ... | HuggingFaceTB/finemath | |
# Is the maximum entropy distribution consistent with given marginal distributions the product distribution of the marginals?
There are generally many joint distributions $P(X_1 = x_1, X_2 = x_2, ..., X_n = x_n)$ consistent with a known set marginal distributions $f_i(x_i) = P(X_i = x_i)$.
Of these joint distribution... | open-web-math/open-web-math | |
# What Does 2.5 Mean In Time?
## What does 2.5 mean in hours?
Minutes to Hours Conversion TableMinutesHours120 Minutes2 Hours135 Minutes2.25 Hours150 Minutes2.5 Hours165 Minutes2.75 Hours55 more rows.
## What is 1/3rd of an hour?
Option D should be correct. 1 ⅓ hours = 4/3 hours = 4/3 x 60 = 80 minutes.
## How man... | HuggingFaceTB/finemath | |
# Friends in Neighbourhood
52.9K Views
John’s five friends Rachel, Jacob, Phoebe, Joey and Chandler live on the same road.
Rachel lives in the house: A, Jacob lives in the house: B, Phoebe lives in the house: C, Joey lives in the house:D, Chandler lives in the house: E
Mathematically
B*C*D = 1260
B + C + D = 2E
2A ... | HuggingFaceTB/finemath | |
# John Fremlin's blog: Splitting sticks
Posted 2011-06-25 22:00:00 GMT
A rather nice puzzle with thanks to Mr Chen and Mr B: given a stick of integer length n > 1, split it at an integer point below n, multiply the product of the two pieces and for each piece larger than length 1, do the same thing. What is the sum o... | HuggingFaceTB/finemath | |
## What are the possible combinations that 3 numbers?
There are, friend see, 3 x 2 x 1 = 6 possible ways that arranging the three digits. Thus in that set of 720 possibilities, each unique mix of three digits is stood for 6 times. For this reason we just divide by 6. 720 / 6 = 120.
You are watching: How many 3 number... | HuggingFaceTB/finemath | |
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# Is 53 Divisible By 2?
• No, 53 is not divisible by 2. It will leave a comma spot.
• Divisibilty rule for 2 is: Units are divisible by two if the last digit is even. Even numbers for 2 are (0,2,4,6,8).
## What Is 53 Divided By 2
• Fifty-three divided by two is 26.... | HuggingFaceTB/finemath | |
# How to Normalize Data in Excel?
• Updated on August 18, 2022
Imagine two flower-seller who grow rose in their rose garden. They want to find out who is better at getting more roses to grow in their garden. One of them Jack says, “I have only 5 roses branches but this year I picked 30 roses!” and the other one Mary... | HuggingFaceTB/finemath | |
+0
0
273
1
I am divisible by 2 and by 9.
I am between 424 and 449.
Which number am I?
Guest Oct 6, 2014
#1
+84159
+5
If you are divisible by 9, then you are divisible by 3. Then, the sum of your digits is also divisible by 3.
But you must be even, since you are divisible by 2.
And if you're divisible by 2 and ... | HuggingFaceTB/finemath | |
• To: mathgroup at smc.vnet.net
• From: dh <dh at metrohm.ch>
• Date: Fri, 14 Apr 2006 04:32:03 -0400 (EDT)
• References: <e1ijuv\$3oh\$1@smc.vnet.net>
• Sender: owner-wri-mathgroup at wolfram.com
```Hi,
if I understand correctly, you want a random number generator that gives
numbers in [a,b] with a given density P.... | HuggingFaceTB/finemath | |
1.7 Integrals resulting in inverse trigonometric functions
Page 1 / 3
• Integrate functions resulting in inverse trigonometric functions
In this section we focus on integrals that result in inverse trigonometric functions. We have worked with these functions before. Recall from Functions and Graphs that trigonometri... | open-web-math/open-web-math | |
## hellowitsme 3 years ago 2x^-3
1. ChrisV
$2/\sqrt[3]{x}$
2. ChrisV
oops 2/x^3
4. ChrisV
when you have a negative exponent you just drop the value to the denominator
5. ChrisV
x^-3 is the same as 1/x^3
6. ChrisV
so 2(1/x^3)=2/x^3
7. ChrisV
i guess thats what you are looking for since you give no further di... | HuggingFaceTB/finemath | |
GMAT Question of the Day - Daily to your Mailbox; hard ones only
It is currently 21 Jan 2019, 10:00
### GMAT Club Daily Prep
#### Thank you for using the timer - this advanced tool can estimate your performance and suggest more practice questions. We have subscribed you to Daily Prep Questions via email.
Customize... | HuggingFaceTB/finemath | |
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Every Question Helps You Learn
Bats use ultrasounds to navigate in the darkness.
# Medical Physics - Ultrasound
This Physics quiz is called 'Medical Physics - Ultrasound' and it has been written by teachers to help you if you are studying the subject at senior high school. Playing educational quizzes is ... | HuggingFaceTB/finemath | |
# A Proof that the Vertex Angle Sum of a Pentagram is 180 degrees
The pentagram is a five-pointed star. It was used by the ancient Greeks as a symbol of faith. In this post, we exhibit the mathematics of pentagrams — we show that the sum of the angle measures of its vertices equals 180°.
For regular pentagrams, the ... | open-web-math/open-web-math | |
Chapter 12: Multiple Linear Regression and Certain Nonlinear Regression ModelsMINITAB Project
STATISTICS EXPLORATION # 3:CORRELATION AND REGRESSION
PURPOSE - to use MINITAB to
• observe correlation and patterns through scatter plots
• model sets of data through functions and curve fitting
• make a visual estimate of... | HuggingFaceTB/finemath | |
# A line parallel to the base of a triangle cuts the triangle cuts the triangle into two regions of equal area. This line also cuts the altitude into two parts. Find the ratio of the two parts of the altitude.
2
by kunal322
2014-09-03T13:50:01+05:30
Given that
parallel line DE divides ΔABC into two parts of equal are... | HuggingFaceTB/finemath | |
## Simplification Problem before Finding Derivative
1. The problem statement, all variables and given/known data
I have a bit of confusion surrounding one of my basic derivative problems:
Find the derivative of the following:
f(x) = \frac{x - 3x{\sqrt{x}}}{\sqrt{x}}
2. Relevant equations
None, I believe.
3. The ... | HuggingFaceTB/finemath | |
decompose $\frac{x^2-2x+3}{(x-1)^2(x^2+4)}$
the way my teacher wants us to solve is by substitution values for x,
I set it up like this:
(after setting the variables to the common denominator and getting rid of the denominator in the original equation)
$x^2-2x+3= \frac{A}{x-1}+\frac{B}{(x-1)^2}+\frac{Cx+D}{x^2+4}$
... | HuggingFaceTB/finemath | |
• Table of Contents • Introduction • 1-Time Value • 2-Risk/Return • 3-Accounting • 4-Securities • 5-Business • 6-Regulatory • Case Studies • Student Papers
## 4.2.4 Yield to Maturity
Bond investors commonly look at yield to maturity (YTM) -- the rate of return the bond offers at a specified price, if held to maturity... | HuggingFaceTB/finemath | |
Happy Teej - TEEJ2024
# Series - How to Find Missing Number
Series Is a set or sequence of elements which may be numbers, letters, symbols etc… which either follow a particular pattern or has an internal logic between them. In general Number series and letter, series are asked in the exam.
Again in the number and le... | HuggingFaceTB/finemath | |
Reference documentation for deal.II version Git 65001fc 2018-06-18 17:06:20 -0400
The 'Higher Order Multipoint Flux Mixed Finite Element (MFMFE) methods' code gallery program
This program was contributed by Eldar Khattatov <elk58@pitt.edu>.
It comes without any warranty or support by its authors or the authors of deal... | open-web-math/open-web-math | |
# Lesson 9
Solve Story Problems
## Warm-up: How Many Do You See: Finger Addition (10 minutes)
### Narrative
The purpose of this How Many Do You See is to allow students to use subitizing or grouping strategies to describe the images they see.
### Launch
• Groups of 2
• “How many do you see? How do you see them?”
... | HuggingFaceTB/finemath | |
# Pls Help!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! A string is tied to a 4.4 kg block and 120g hanging bucket. Students add 20g washers one at a time to the bucket. The student are unaware that the coefficient of static fri... | HuggingFaceTB/finemath | |
www.batmath.it
### The integral of step functions
Consider a step function and a dissection of [a,b] such that the function has the constant value ck on each subinterval of the dissection. Then:
The integral of s from a to b is the number .
This means that the integral is simply the sum of the products of the const... | HuggingFaceTB/finemath | |
There are multiple different equations for calculating the area of a triangle, dependent on what information is known. In general, you can skip parentheses, but be very careful: e^3x is e^3x, and e^(3x) is e^(3x). Keep the straight 0° line marked on the protractor on one of the straight sides of a segment and read the ... | open-web-math/open-web-math | |
# What is the equation for a heart shaped graph?
Contents
Just like there are many types of heart shapes, there are many ways to graph the equation of the heart. This heart above is graphed by the equation (x^2 + y^2 – 1)^3 = x^2 y^3.
## What mathematical shape is a heart?
You will find other types of shapes in the... | HuggingFaceTB/finemath | |
# Probablility Questions
by Cole
(Missouri)
I am having difficulty answering the following questions:
Diagram this statement. Then answer the questions that follow.
One fourth of the 64 marbles in the bag were red.
A. How many marbles in the bag were red?
B. How many marbles in the bag were not red.
C. If one marb... | HuggingFaceTB/finemath | |
# How To Draw A 7 Pointed Star?
## How to Draw a Star (Multiple Points!)
This tutorial will show you how to make a five- or seven-pointed star using common household items such as a ruler, graphite pencil, and compasses, as well as a fun bonus of how to draw a five-pointed star in a casual manner.
### What You Will ... | HuggingFaceTB/finemath | |
Getting Image Register now for special offers +91
Home
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Chapter
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Time , Speed & Distance (Boat & Stream)
>
Three persons start walking to... Text Solution
25 m 20 cm 50 m 40 cm 75 m 60 cm 100 m 80 cm
Solution : Required minimum distance = L.C.M of 40 , 42 and 45. <br> <i... | HuggingFaceTB/finemath | |
# Solving Equations with Rational Expressions
posted by .
Can someone please show me how to solve these for me?
5/(y-2)=y+2
(x/3)-(2/3)=(1/y-5)
(y+2)/7=1(y-5)
(x^2)/(x-4)-7/(x-4)=0
x^2/(x+3)-5/(x+3)=0
I assume that your second equation has y as a typo. I will use that as an example.
(x/3)-(2/3)=(1/x-5)
Multiply bo... | HuggingFaceTB/finemath | |
This site is supported by donations to The OEIS Foundation.
Please make a donation to keep the OEIS running. We are now in our 55th year. In the past year we added 12000 new sequences and reached 8000 citations (which often say "discovered thanks to the OEIS"). We need to raise money to hire someone to manage submiss... | HuggingFaceTB/finemath | |
brokensandals.net -> HackerRank: Maximum Subarray Sum
Posted on 2019-06-28
The “Maximum Subarray Sum” problem on HackerRank is challenging, but has an elegant solution. Below, I briefly discuss an inefficient brute force solution, then explain the more efficient approach.
My solutions are written in Kotlin. I’ll jus... | HuggingFaceTB/finemath | |
# How to Calculate Percent Change – Your Guide to Making the Best Thoroughlyinformed Decisions
## Introduction
Intro: It can be hard to make informed decisions when it comes to your business. You might have heard the saying “you get what you pay for.” In other words, if you want something good, you have to cough up s... | HuggingFaceTB/finemath | |
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Transcription
1 Geometry Progress Ladder Maths Makes Sense Foundation End-of-year objectives page 2 Maths Makes Sense 1 2 End-of-block objectives page 3 Maths Makes Sense 3 4 End-of-block objectives page 4 Maths Makes Sense 5 6 End-of-block objectives page 5 2 Oxford University Press 2... | HuggingFaceTB/finemath | |
1. [SOLVED] double argument properties
Need some urgent help solving double argument properties for Calc/Trig course. Anybody out there that can help?
If cos A=3/5 and 0<A<90, find sin 2A and cos 1/2 A
Any help on this?
2. Hello, Sevens!
You're expected to know the necessary identities:
. . $\sin2A\:=\:2\sin A\co... | HuggingFaceTB/finemath | |
## the area of circular base of a cone is 616 cm² and its slant height is 20.5 cm find the curved surface area and the total surface area of th
Question
the area of circular base of a cone is 616 cm² and its slant height is 20.5 cm find the curved surface area and the total surface area of the cone
in progress 0
4 ... | HuggingFaceTB/finemath | |
# Some intuition behind the prime number theorem
It's generally easy to think about difficult theorems on prime numbers in terms of non-rigorous heuristics. Relatively simple statements, such as the twin prime conjecture, Dirichlet's Theorem, and the Prime Number Theorem, turn out to be very hard to prove. Really hard... | HuggingFaceTB/finemath | |
1.2 Points, Lines and Planes
# 1.2 Points, Lines and Planes
## 1.2 Points, Lines and Planes
- - - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - - -
##### Presentation Transcript
1. 1.2 Points, Lines and Planes Geometry Mrs. Spitz Fall 2005
2. Objectives/Ass... | HuggingFaceTB/finemath | |
### Home > PC > Chapter 10 > Lesson 10.1.2 > Problem10-30
10-30.
When delivering a crane to the port of Oakland, the company delivering the crane had to wait for low tide in order to clear the Bay Bridge. At low tide, the maximum clearance for the bridge is $186$ feet. At high tide the maximum clearance is $178$ fe... | HuggingFaceTB/finemath | |
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Algebra Pre-Algebra and Basic Algebra Math Forum
May 10th, 2009, 09:16 PM #1 Newbie Joined: Feb 2009 Posts: 5 Thanks: 0 Question about calculating xy values... Hey everyone, Please see the attached image! Basically, I have a robot car that drives in a square from 1) to 2) to 3) to ... | HuggingFaceTB/finemath | |
All about flooble | fun stuff | Get a free chatterbox | Free JavaScript | Avatars
perplexus dot info
T times T creates another T?? (Posted on 2015-01-11)
The squares of triangular numbers 1 and 6 are triangular numbers 1 and 36.
T1^2 = 1 * 1 = 1 = T1
T3^2 = 6 * 6 = 36 = T8
Are there additional triangular numbers w... | HuggingFaceTB/finemath | |
# Machine Learning is Fun – Part 9 – Logistic Regression
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Hi Friends,
Let’s get back to technical things again. In my last topic, I have explained the concept of linear regression.
Today, I am going to explain what is logistic regression. Let’s start with an example: suppose, you want to predict ... | HuggingFaceTB/finemath | |
## Problem Setting
You are given a graph (?,?)(V,E), where each vertex ??x∈V has a set of successors ?(?)s(x). There is one goal vertex ??g∈V, that one must try to reach. The cost of visiting a vertex ??x∈V is ?(?)>0c(x)>0.
The goal of the homework is to find, from every graph vertex ??x∈V, the path to reach the goal... | HuggingFaceTB/finemath | |
# 1 Digital Systems and Binary Numbers
Digital Logic Design
Yarmouk University
Computer Engineering Department
ID= Chapter 1 - Binary Systems
1
Digital Systems and Binary Numbers
Computer=ALU+Control+Memory (RAM, ROM, Flash/disk), Input(kbd)/Output(screen) plus busses for data, control and address.
1.1
Digital... | HuggingFaceTB/finemath | |
# Hamming Distance
Jared Grubb jared.grubb at gmail.com
Fri Jun 27 19:54:45 CEST 2008
```Matimus,
I was surprised that "lazy" was the algorithm that won your time tests, and
I saw a way to improve it even better (algorithm is O(# ones in number)
rather than O(# bits in number))
def lazy2(a, b, bits=32):
x = (a ^ b) &... | HuggingFaceTB/finemath | |
# Solution to AM - GM Introductory Problem 2
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)
### Problem
Find the maximum of $2 - a - \frac{1}{2a}$ for all positive $a$.
### Solution
We can rewrite the given expression as $2 - (a + \frac{1}{2a})$. To maximize the whole expression, we mus... | HuggingFaceTB/finemath | |
### Fraction (mathematics)
denominatorfractionfractions
Another kind of fraction is the percentage (Latin per centum meaning "per hundred", represented by the symbol %), in which the implied denominator is always 100. Thus, 51% means 51/100. Percentages greater than 100 or less than zero are treated in the same way, e... | HuggingFaceTB/finemath | |
# How to Find Outliers in Excel
Excel has a lot of underused function that can greatly improve your data analysis. One of the best features is it’s statistical capabilities So you can find outliers in Excel easily with simple statistics formulas..
Why should you isolate and eliminate outliers in your data? One of the... | HuggingFaceTB/finemath | |
STDEVP(number1,[number2],â¦) is the old Excel function to find standard deviation of a population. 3. Although, you donât need to do manual calculation of standard deviation, it is good to know how the standard deviation is calculated in back ground. The next step is to calculate standard deviation of these daily re... | HuggingFaceTB/finemath | |
Solutions by everydaycalculation.com
## Divide 40/6 with 8/70
1st number: 6 4/6, 2nd number: 8/70
40/6 ÷ 8/70 is 175/3.
#### Steps for dividing fractions
1. Find the reciprocal of the divisor
Reciprocal of 8/70: 70/8
2. Now, multiply it with the dividend
So, 40/6 ÷ 8/70 = 40/6 × 70/8
3. = 40 × 70/6 × 8 = 2800/48
4... | HuggingFaceTB/finemath | |
How do you find two consecutive even integers whose sum is 126?
Jan 22, 2016
I found $62 \mathmr{and} 64$
Explanation:
Let us call our integers:
$2 n$
and
$2 n + 2$
and use your condition as:
$2 n + \left(2 n + 2\right) = 126$
solve for $n$:
$4 n + 2 = 126$
$4 n = 124$
$n = \frac{124}{4} = 31$
so our numbers will b... | HuggingFaceTB/finemath | |
+0
# What is the area of this figure?
0
38
3
+16
What is the area of this figure?
Aug 6, 2023
#1
+183
+3
Area is $$(4)(9)+2^2+(4)(5)+\frac12(3^2)\pi = 74.13$$.
Aug 6, 2023
#3
+113
+1
Half circle : r = 3 thus 1/2 x pi r ^ 2 = 14.135
4 x 5 = 20
2 x 6 = 12
4 x 7 = 28
Thus the answer would be : 14.135 + 20 + 12... | HuggingFaceTB/finemath | |
# Example
Prove that if $m$ and $n$ are relatively prime and $(m+n)(m-n)$ is odd, then $(m+n)$ and $(m-n)$ must also be relatively prime.
We can use an indirect argument here.
Assume that $(m+n)$ and $(m-n)$ are not relatively prime. Then they share some common divisor other than one. Let's call this divisor $d$. Bu... | HuggingFaceTB/finemath | |
# 5.4 Using Similar Triangles - Big Ideas Learning ... Section 5.4 Using Similar Triangles 209 Tell whether
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0
0
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### Text of 5.4 Using Similar Triangles - Big Ideas Learning ... Section 5.4 Using Similar Triangles 209 Tell...
• X Z
Y
in. 1 2 3 4 5 6 7 8 9 10 11
206 Chapter 5 Angles and Sim... | HuggingFaceTB/finemath | |
# Future Value of an Annuity
Dear Professor Cram:
A man deposits 1200 at the end of each year into a savings account that earn 6.75% interest compounded annually. After 4 years he made no more deposits. What would be the balance in the account 3 years from the last deposit?
Eva, Faulkner University
This is a future... | HuggingFaceTB/finemath | |
# MODI Method Examples: Transportation Problem
In the previous section, we provided the steps in MODI method (modified distribution method) to solve a transportation problem.
In this section, we provide an example. Let's solve the following example:
This example is the largest and the most involved you have read so ... | HuggingFaceTB/finemath | |
# What is a possible value for the missing term of the geometric sequence 1250,__,50,..?
Then teach the underlying concepts
Don't copy without citing sources
preview
?
#### Explanation
Explain in detail...
#### Explanation:
I want someone to double check my answer
5
Jan 4, 2017
$\pm 250$
#### Explanation:
The ... | HuggingFaceTB/finemath | |
Yash Singh
# USACO Hurdles
In this blog post I'll go over the USACO Blocks Bronze January 2022 Problem 1 using other resources and solutions.
## Statement
We are given two lists of three words, with the first list being the answers and the second list being the guess to the answers. We knew to output the number of ... | HuggingFaceTB/finemath | |
# Difference between revisions of "2009 IMO Problems/Problem 2"
## Problem
Let $ABC$ be a triangle with circumcentre $O$. The points $P$ and $Q$ are interior points of the sides $CA$ and $AB$ respectively. Let $K,L$ and $M$ be the midpoints of the segments $BP,CQ$ and $PQ$, respectively, and let $\Gamma$ be the circl... | HuggingFaceTB/finemath | |
Home » Posts tagged 'relative motion'
# Tag Archives: relative motion
## Heating up of water due to shaking
Would shaking a bottle of chilled water, cause it to warm up, even slightly, due to some kind of friction?
Yes, This is due to friction (Viscous forces). The different layers of water resist relative motion a... | open-web-math/open-web-math | |
# Axioms behind entropy!
The concept of entropy is very ubiquitous, we learn about its uses starting from Information Theory (Shannon entropy) up to its basic definition in statistical mechanics in terms of number of micro-states.
Limiting the discussion to physics, when studying a physical system, can be a box fille... | open-web-math/open-web-math | |
Solve this following
Question:
If $\alpha$ and $\beta$ be two roots of the equation
$x^{2}-64 x+256=0$
Then the value of $\left(\frac{\alpha^{3}}{\beta^{5}}\right)^{\frac{1}{8}}+\left(\frac{\beta^{3}}{\alpha^{5}}\right)^{\frac{1}{8}}$ is
1. 1
2. 3
3. 4
4. 2
Correct Option: , 4
Solution:
$x^{2}-64 x+256=0$
$... | HuggingFaceTB/finemath | |
# VFR Top of descent calculation[PDF]
## Introduction
The top of descent or TOD is the point for an aircraft to initiate a descent to a lower lever for arrival at the destination airfield. The aircraft is leaving the cruise phase of the flight and starting a descent phase to the first approach altitude expected over ... | HuggingFaceTB/finemath |
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