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# 11.5 Rotations. Rotations Rotate a Figure 90 about the origin.
## Presentation on theme: "11.5 Rotations. Rotations Rotate a Figure 90 about the origin."— Presentation transcript:
11.5 Rotations
Rotations
Rotate a Figure 90 about the origin
Triangle ABC has vertices A(1,2), B(-1,-1) and C (2,0). If the triangle ... | HuggingFaceTB/finemath | |
## Algebra and Trigonometry 10th Edition
Area of the circle = $\pi r^2=\pi (40)^2=1600\pi$ A = $\pi ab= \pi a(100-a)$ (area of the ellipse given a+b=100) $1600 \pi = \pi a(100-a)$ 1600 = a(100-a) $a^2-100a+1600=0$ (a-80)(a-20)=0 a = 80 giving b=20 or a=20 giving b=80 | HuggingFaceTB/finemath | |
In the decimal number system the diminished radix complement is 9’s complement. This is obtained by subtracting each digit of the number from 9.
59
894
6578
2063
# 9’s Complement
40
105
3421
7936
The diminished radix complement of binary numbers is called 1’s complement. The 1’s complement of a binary number ... | HuggingFaceTB/finemath | |
# Prime numbers from 1 to 320
Here is the answer to questions like: Prime numbers from 1 to 320. Get all the prime numbers from one to 320. Use the Prime Numbers Before Calculator below to discover if any given number is prime or composite and get all the primes up to 320.
### Prime Numbers Before Calculator
Enter a... | HuggingFaceTB/finemath | |
Are nonmeasurable sets whose sections are null always contained in a null measurable set?
Equip $$\mathbb R_{\geq 0} \times \Omega$$ with the product measure structure of Borel measure for $$\mathbb R_{\geq 0}$$ and a probability measure for $$\Omega$$.
Suppose we have a set $$S=\cup_{t \geq 0}(t,E_t)$$ all of whose ... | HuggingFaceTB/finemath | |
PERFORMANCE OF DRIVE TRAIN
If a driver wants to keep its speed constant, he needs to have equivalent engine power to the running resistance but needs more power for acceleration to overcome the acceleration resistance. In the case of deceleration of the vehicle, the inertia energy of the vehicle can be restored by the... | HuggingFaceTB/finemath | |
kmmiles.com
# 543.6 km in miles
## Result
543.6 km equals 337.5756 miles
You can also convert 543.6 miles to km.
## Conversion formula
Multiply the amount of km by the conversion factor to get the result in miles:
543.6 km × 0.621 = 337.5756 mi
## How to convert 543.6 km to miles?
The conversion factor from km... | HuggingFaceTB/finemath | |
# What Is The Speed Of The Stone When It Reaches Point B? How Far Will It Compress The Spring? Will The Stone Move Again After It Has Been Stopped By The Spring?
The potential energy at the start is
PE = mgh = 15.0 kg*9.81 m/s2*20.0 m = 2943 J
The kinetic energy at the start is
KE = mv2/2 = 15.0*(10.0)2/2 = 750 J
So... | HuggingFaceTB/finemath | |
# Hi everyone I would really appreciate some help with finding the domain of this logarithmic function f(x)=ln((x^2)+3x-4) is this something I can use the quadratic equation to solve?
Apr 12, 2018
$\left(- \infty , - 1 - \sqrt{5}\right) \cup \left(\sqrt{5} - 1 , \infty\right)$
#### Explanation:
This is something yo... | HuggingFaceTB/finemath | |
## ashleysmith 3 years ago 3/x + 4/y /(over) 2/xy
1. ashleysmith
|dw:1339478264873:dw|
2. saifoo.khan
|dw:1339478353062:dw|
3. ashleysmith
what do you do next?
4. saifoo.khan
Multiply.
5. RolyPoly
$\large \frac{\frac{3}{x} + \frac{4}{y} }{\frac{2}{xy}}$$\large =\frac{\frac{3y}{xy} + \frac{4x}{xy} }{\frac{2}{x... | HuggingFaceTB/finemath | |
Vinculum, An Unexplored Tool by N. S. Murty
Vinculum, An Unexplored Tool
by N. S. Murty
Introduction
Though the concept of working with reminders is not altogether new, I feel ‘Vinculum’ is one good tool that is not explained or used in our school or college mathematics, or even in our daily lives. Once we understand... | HuggingFaceTB/finemath | |
### Home > AC > Chapter 14 > Lesson 14.3.1.4 > Problem3-57
3-57.
Solve each equation below for $x$. Refer back to problem 3-30 for examples, if necessary.
1. $2^{(x+3)} = 64$
$64 = 2^{6}$
$2^{(x+ 3)} = 2^{6}$
$x + 3 = 6$
$x = 3$
1. $8^{x} = 4^{6}$
Do $8$ and $4$ have a common base?
1. $9 ^ { x } = \frac { 1 }... | HuggingFaceTB/finemath | |
# An equivalent D4 lattice?
I recently came across some lattices which really interested me and, during my computations and trials, I've found one which seems equivalent to the D4 Checkerboard lattice.
I was looking to a similar lattice but with an higher packing radius, i.e.: $$\rho = 1$$
, while D4 is known to have ... | HuggingFaceTB/finemath | |
You are on page 1of 7
# Lesson reflection:
## estimate, measure and
record mass
ID: H00357762
Select:
The lesson that I taught was a math lesson about estimate, measure and record mass. In this
lesson, the standers that I am addressing is teaching the students the difference between (G,
Kg). By showing the students... | HuggingFaceTB/finemath | |
# How to find the transfer function of this first order active filter?
Going through Design with Operational Amplifiers and Analog Integrated Cricuits, in Chapter 3, problem 3.4 I am asked:
The circuit of Fig. P3.4 is a noninverting differentiator.
• (a) Derive its transfer function.
• (b) Specify component values f... | HuggingFaceTB/finemath | |
# Are You Ready For Our Metric Units Conversions Quiz?
Approved & Edited by ProProfs Editorial Team
The editorial team at ProProfs Quizzes consists of a select group of subject experts, trivia writers, and quiz masters who have authored over 10,000 quizzes taken by more than 100 million users. This team includes our i... | HuggingFaceTB/finemath | |
# How do you find the derivative for y=(sin(3x))^(ln(x))?
Use logarithmic differentiation. Take the natural logarithm of both sides of $y = {\left(\sin \left(3 x\right)\right)}^{\ln \left(x\right)}$ to get $\ln \left(y\right) = \ln \left({\left(\sin \left(3 x\right)\right)}^{\ln \left(x\right)}\right)$. Then use the p... | HuggingFaceTB/finemath | |
4️⃣
10.4 The Math Class
The Math Class
As you have already learned, Java has built-in arithmetic operators for basic math. But what if you need to raise a number to the power of another number? What if you want a good approximation of pi? The Math class is just what you need. Below is an example program with commonl... | HuggingFaceTB/finemath | |
Re: Cannot Factor an expression
• To: mathgroup at smc.vnet.net
• Subject: [mg87587] Re: Cannot Factor an expression
• From: "David Park" <djmpark at comcast.net>
• Date: Mon, 14 Apr 2008 05:40:39 -0400 (EDT)
• References: <ftscum\$b7o\$1@smc.vnet.net>
```step1 = Sum[(Subscript[z, i] - 1)*(\[Mu] - Subscript[x, i])^2,... | HuggingFaceTB/finemath | |
# Algebra
Write an equation for the following situation.
Polly Gone has \$120 saved already. She wants to save for airfare to visit her friend. The airfare will cost \$500 and she can save \$60 per week. How many weeks will it take her to save enough money for the airfare?
(Hint: The goal is to write the equation so... | HuggingFaceTB/finemath | |
## What is transmissivity of an aquifer?
Transmissivity describes the ability of the aquifer to transmit groundwater throughout its entire saturated thickness (Figure 7). Transmissivity is measured as the rate at which groundwater can flow through an aquifer section of unit width under a unit hydraulic gradient.
## W... | HuggingFaceTB/finemath | |
V = IR. I = P / E. E = P / I. R = E / I. Voltage (E) and power (W) are known, how to calculate current (I). 12 Volt 60 Watt Light Bulb Circuit. I = V / R. R = V / I. Volts = Amps x Ohms; Amps = Volts / Ohms; Ohms = Volts / Amps; Watt's Law . Formula wheel electrical engineering electronics ohm's law pie chart circle po... | HuggingFaceTB/finemath | |
# Given below are two statementsStatement I: If the ratio of the speed of A and B is a ∶ b, then the ratio of the times taken by them to cover the same distance is b ∶ aStatement II: Suppose two men are moving in the same direction at u m/s and v m/s respectively, where u > v, then their relative speed is (u + v) m/sI... | HuggingFaceTB/finemath | |
1. ## Differential Equations
The question states to find the solution of the following -
$\displaystyle \frac{d^2y}{dx^2} - 2\frac{dy}{dx} + y = 2e^x$
Ive got quite far, but when trying to find the value of 'C' i keep getting this:
C-2C+C=2
Which gives no value for C, any help will be appreciated, as i really want... | HuggingFaceTB/finemath | |
# 190 degree angle
## 190 degree angle
Multi-Camera Add-On Interfaces Stay aware of your surroundings and improve safety by adding iBEAM cameras to your existing factory screen. Read 190 Degree Angle reviews and 190 Degree Angle ratings – Buy 190 Degree Angle with confidence on AliExpress! sin 180 degrees, The angles... | open-web-math/open-web-math | |
Elementary geometry: how much time should you devote to it?
A geometry question from a visitor:
1. How much time should be invested teaching geometry at an elementary level?
2. How much time is actually dedicated towards geometry in a tradicional textbook
Your guidance will be extremely appreciated!
During elementa... | HuggingFaceTB/finemath | |
Session 8, Part B:
Mathematical Probability
In This Part: Predicting Outcomes | Fair or Unfair? | Outcomes | Finding the Winner
Making a Probability Table
Another way to solve this problem is to look at a probability table for the sum of the two dice. This representation can be quite useful, since it gives us a compl... | HuggingFaceTB/finemath | |
## Environmental Mathematics
### Kenneth BlackmanSanta Rosa District Schools
#### Description
The students will explore what food sources are needed to survive in the wild. Then the students will plot on a graph the best food sources for their environments and the survivability rate for each member of their group.
... | HuggingFaceTB/finemath | |
You will need
• - multiplication tables;
• - table of squares of two-digit numbers;
• calculator.
Instruction
1
To find the square of any number is sufficient only that number multiplied by itself. Example 1. 6*6 =36; 4*4 = 16; 7*7 = 49. The product of the numbers to 10, one digit in the table, familiar to all from ele... | HuggingFaceTB/finemath | |
# Last year, a certain company began manufacturing product X and sold every unit of product X that it produced.
Last year, a certain company began manufacturing product X and sold every unit of product X that it produced. Last year the company’s total expenses for manufacturing product X were equal to \$100,000 plus 5... | HuggingFaceTB/finemath | |
posted by .
For the first question I really need all help I can get. Thanks!
1. Given a and b are unit vectors,
a) if the angle between them is 60 degrees, calculate (6a+b) . (a-2b)
b) if |a+b| = sqrt3, determine (2a-5b) . (b+3a)
2. The vectors a = 3i - 4j - k and b = 2i + 3j - 6k are the diagonals of a parallelog... | HuggingFaceTB/finemath | |
## Saturday 19 June 2021
### FEH VG predictor continued: wave pattern and early estimation
Building a model for VG is something that I wanted to do for a long time. In the previous article I wrote about the basics of a VG model and the article concluded with the chart below:
The perfect wave in the first 12 hours ca... | HuggingFaceTB/finemath | |
# Lesson 3
Introducing Polynomials
## 3.1: Which One Doesn’t Belong: What are Polynomials? (5 minutes)
### Warm-up
This warm-up prompts students to compare four expressions. It gives students a reason to use language precisely (MP6). It gives the teacher an opportunity to hear how students use terminology and talk ... | HuggingFaceTB/finemath | |
# Experimental Probability
At first we will know the precise meaning of the term ‘experiment’ and the proper context in which it will be used in our experimental probability.
Definition of experiment: A process which can produce some well-defined results (outcomes) is called an experiment.
Some Experiments and their... | HuggingFaceTB/finemath | |
# ELECTRIC CIRCUITS. I. Circuits A flow of electrons is called a current. Symbol - I Unit is Amperes or Amps (A) I = q/t Current is amount of charge.
## Presentation on theme: "ELECTRIC CIRCUITS. I. Circuits A flow of electrons is called a current. Symbol - I Unit is Amperes or Amps (A) I = q/t Current... | HuggingFaceTB/finemath | |
The OEIS is supported by the many generous donors to the OEIS Foundation.
Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
A070537 Numbers such that the n-th cyclotomic polynomial has more terms than the largest prime factor of n. 5
1, 15, 21, 30, 33, 35, 39, 42, 45, 51, 55, 57, 60, 63, 65, 66,... | HuggingFaceTB/finemath | |
Question Video: Distance and Displacement | Nagwa Question Video: Distance and Displacement | Nagwa
# Question Video: Distance and Displacement Physics • First Year of Secondary School
## Join Nagwa Classes
Attend live Physics sessions on Nagwa Classes to learn more about this topic from an expert teacher!
A bird f... | HuggingFaceTB/finemath | |
# 自然科学/功 动能
## 功
### 机械功
1. ${\displaystyle 0\leqslant \theta <{\frac {\pi }{2}}}$ ${\displaystyle W>0}$ ，称${\displaystyle {\boldsymbol {F}}}$ 做正功
2. ${\displaystyle \theta ={\frac {\pi }{2}}}$ ${\displaystyle W=0}$ ，称${\displaystyle {\boldsymbol {F}}}$ 不做功
3. ${\displaystyle {\frac {\pi }{2}}<\theta \leqslant \pi }... | HuggingFaceTB/finemath | |
## Want to keep learning?
This content is taken from the The Open University & Persontyle's online course, Advanced Machine Learning. Join the course to learn more.
2.18
# Activation Functions
As explained previously, hidden variables/nodes in a neural network are non-linear functions of the variables/nodes of the p... | HuggingFaceTB/finemath | |
Cody
# Problem 2225. Three...is a magic number.
Solution 1707075
Submitted on 15 Jan 2019 by PurpleDiab
This solution is locked. To view this solution, you need to provide a solution of the same size or smaller.
### Test Suite
Test Status Code Input and Output
1 Pass
x=[ 1 2 7 6 7 2 7 7 ; 7 7 5 3 5 3 2 5 ; 1 6 5... | HuggingFaceTB/finemath | |
An ideal lossless transmission line of Z0 60 Ω is connected to unknown ZL If SWR = 4. find ZL
This question was previously asked in
ESE Electronics 2011 Paper 1: Official Paper
View all UPSC IES Papers >
1. 240 Ω
2. 480 Ω
3. 120 Ω
4. 100 Ω
Option 1 : 240 Ω
Free
CT 3: Building Materials
2565
10 Questions 20 Marks 12 M... | HuggingFaceTB/finemath | |
Solutions by everydaycalculation.com
## Subtract 3/42 from 7/4
1st number: 1 3/4, 2nd number: 3/42
7/4 - 3/42 is 47/28.
#### Steps for subtracting fractions
1. Find the least common denominator or LCM of the two denominators:
LCM of 4 and 42 is 84
2. For the 1st fraction, since 4 × 21 = 84,
7/4 = 7 × 21/4 × 21 = 1... | HuggingFaceTB/finemath | |
# Thread: Partial fractions and integrals
1. ## Partial fractions and integrals
Use the method of partial fractions to evaluate the following integral:
$\displaystyle \int (x^3 + 4x^2 - 6x)/(x^2 - 2x + 1)dx$
I have also solved for the denominator that $\displaystyle (x^2 - 2x + 1)$ gives $\displaystyle (x-1)^2$
Can... | HuggingFaceTB/finemath | |
CALC URGENT
Find the volume formed by rotating the region enclosed by:
x=2y and y^3=x with y greater than or equal to 0 about the y-axis
1. 👍
2. 👎
3. 👁
1. There are two regions between the curves, from (0,0) to (2 sqrt 2, sqrt 2) and the same in the third quadrant,
So do the integral in quadrant 1 and double.
We c... | HuggingFaceTB/finemath | |
## Difficult Math Topic: Multiplying and Dividing with Inequalities
12/17/2012
One of the most difficult math topics that I have learned so far is multiplying and diving with inequalities. Now to you, it may sound pretty easy, but for me, it was really difficult. At first, the multiplying was easy for me. All I had t... | HuggingFaceTB/finemath | |
Function Repository Resource:
# ChiSquareRandomnessTest
Test a sequence of zeroes and ones (or a set of random reals between 0 and 1) for equidistribution and return a p-value
Contributed by: Emmy/Noah Blumenthal
noahb320@gmail.com
emmyb320@bu.edu
ResourceFunction["ChiSquareRandomnessTest"][sequence] tests a sequen... | HuggingFaceTB/finemath | |
# Difference between revisions of "1968 AHSME Problems/Problem 12"
## Problem
A circle passes through the vertices of a triangle with side-lengths $7\tfrac{1}{2},10,12\tfrac{1}{2}.$ The radius of the circle is: $\text{(A) } \frac{15}{4}\quad \text{(B) } 5\quad \text{(C) } \frac{25}{4}\quad \text{(D) } \frac{35}{4}\qu... | HuggingFaceTB/finemath | |
Vectors and proof 3points are a straight line
Watch
Announcements
#1
Hi, this is a 3 part question. I believe I’m right in my working out, however could someone verify my working out as I believe my QM is incorrect.
Above is the question.
Here is my solution.
Last edited by KingRich; 1 month ago
0
1 month ago
#2
Look... | HuggingFaceTB/finemath | |
### Translated by
このページのコンテンツは英語から自動翻訳されています。自動翻訳をオフにする場合は「<a class="turn_off_mt" href="#">ここ</a>」をクリックしてください。
## How to set maximum and minimum limit of signal in MATLAB code.
Usman Taya
### Usman Taya (view profile)
さんによって質問されました 2019 年 1 月 18 日 7:08
### Usman Taya (view profile)
さんによって 編集されました 2019 年 1 月 20 日... | HuggingFaceTB/finemath | |
# How to Diagonalize a matrix in Python using NumPy
Diagonalization is a process where you find a diagonal matrix that is similar to a given square matrix. The numpy package allows you to diagonalize a matrix in Python using NumPy using steps.
## Steps to Diagonalize a matrix in Python using NumPy
Below are the step... | HuggingFaceTB/finemath | |
# There are two-digit numbers such that the sum of these digits is 6 while the product of the digits is 1/3 of the original number. Find the numbers.
embizze | Certified Educator
Find all numbers of the form 10p+q, p and q nonnegative integers, such that p+q=6 and `pq=1/3(10p+q)` :
We can write all numbers of the fo... | HuggingFaceTB/finemath | |
## How to transform meters to feet and also inches step-by-step
### Step 1: convert from meters to feet
1 meter = 3.28 x feet, so,
10 x 1 meter = 10 x 3.28 feet, or
10 meter = 32.8 feet.
You are watching: How long is 10 meters in feet
### Step 2: convert the decimal feet to inches
An answer choose "32.8 feet" mi... | HuggingFaceTB/finemath | |
HOME
PDF (letter size)
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## Finding equations of motion for pendulum on moving cart
January 15, 2017 compiled on — Sunday January 15, 2017 at 12:07 AM
### Contents
This note shows how to find equation of motion of rigid bar pendulum (physical pendulum) on a moving cart as shown in the following diagr... | HuggingFaceTB/finemath | |
# Lab 1-A Fall '18.pdf - MATH 1426 Lab 1-A Fall 2018 MATH...
• Test Prep
• 3
• 50% (2) 1 out of 2 people found this document helpful
This preview shows page 1 - 3 out of 3 pages.
##### We have textbook solutions for you!
The document you are viewing contains questions related to this textbook.
The document you are v... | HuggingFaceTB/finemath | |
# (Basic) Combinatorial Identity.
• Feb 1st 2010, 09:59 PM
Elvis
(Basic) Combinatorial Identity.
Quote:
$\displaystyle {n\choose{k}}+{n\choose{k-1}} = \frac{n!}{k!(n-k)!}+\frac{n!}{(k-1)!(n-k+1)!}$ = $\displaystyle {\color{blue}\frac{n!}{k!(n-k+1)!}\left\{(n-k+1)+k\right\}} = {{n+1}\choose{k}}$.
Can someone explain t... | HuggingFaceTB/finemath | |
# Reasoning Quiz – 38
Dear Aspirants,
Good Afternoon!! Welcome to D2G’s reasoning Quiz. Challenges are what make life interesting, overcoming them is what makes life meaningful.
Directions (Q. 1-5): Study the following information carefully and answer the given questions:
P, N, U, W, R, I, Q and S are sitting around... | HuggingFaceTB/finemath | |
Needs and expenses never-end! Nobody has ever remained content with what they have and what they are. Everyone has a desire to get more and better of everything. However, in today’s age of inflation, just the monthly salary is hardly enough to meet the needs; spending on desires is just impossible. It has become import... | open-web-math/open-web-math | |
# Video: Analyzing the Properties of a Spherical Capacitor
Earth can be considered as a spherical capacitor with two plates, where the negative plate is the surface of Earth and the positive plate is the bottom of the ionosphere, which is located at an altitude of approximately 70 km. The potential difference between ... | HuggingFaceTB/finemath | |
# Thread: Using an algebraic method to determine... (simultaneous equations???)
1. ## Using an algebraic method to determine... (simultaneous equations???)
Hi I think I've figured out question 1, but I don't know how to start question 2.
This is the first question, and how I answered it:
Two transport companies adv... | HuggingFaceTB/finemath | |
# When can a function be taken inside a sum?
Consider a convergent sum of the form $$A(x) = \sum_{n=0}^\infty c\, a_n(x)\, x^n.$$ This sum is also bounded as $$x \rightarrow \infty$$, for example, it is a Taylor series for $$A(x)$$ at $$0$$.
I am interested in the product of $$A(x)$$ with $$B(x)$$, where $$B(x)$$ is ... | HuggingFaceTB/finemath | |
Smallest Multiple
What is the smallest positive number that is evenly divisible by all of the numbers from 1 to n?
Today, I'd like to start something new on this blog. From now on, I'll post more quick and basic problems from different sources and solve them in multiple languages.
For today's problem, I got this sim... | HuggingFaceTB/finemath | |
# What is a normal line
In geometry, a normal is an object such as a line or vector that is perpendicular to a given object.Mathematics. a perpendicular line or plane, especially one perpendicular to a tangent line of a curve, or a tangent plane of a surface, at the point of contact.ADSL modulation takes the digital 1... | HuggingFaceTB/finemath | |
# Search by Topic
#### Resources tagged with Indices similar to Tens:
Filter by: Content type:
Age range:
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### There are 32 results
Broad Topics > Algebraic expressions, equations and formulae > Indices
### Tens
##### Age 16 to 18 Challenge Level:
When is $7^n + 3^n$ a multiple of 10? Can you pro... | HuggingFaceTB/finemath | |
# What is the width of the road ?
65 views
A circular road runs round a circular ground. If the difference between the circumferences of the outer circle and inner circle is 66 metres.
What is the width of the road ?
posted Aug 7, 2015
(66 / pi) / 2 = 10.5 m (and change)
Similar Puzzles
DJ Vani's CD cabinet is fo... | HuggingFaceTB/finemath | |
# Compute the similarity dimension of a strictly self-similar fractal with a replacement ratio of 5 and a scaling ratio of 4. Round to the nearest thousandth. Question
Similarity Compute the similarity dimension of a strictly self-similar fractal with a replacement ratio of 5 and a scaling ratio of 4. Round to the near... | HuggingFaceTB/finemath | |
# Computer Architecture CPSC 321 E. J. Kim. Overview Logical Instructions Shifts.
## Presentation on theme: "Computer Architecture CPSC 321 E. J. Kim. Overview Logical Instructions Shifts."— Presentation transcript:
Computer Architecture CPSC 321 E. J. Kim
Overview Logical Instructions Shifts
Bitwise Operations Up ... | HuggingFaceTB/finemath | |
# Answers
Solutions by everydaycalculation.com
## Reduce 7950/1800 to lowest terms
The simplest form of 7950/1800 is 53/12.
#### Steps to simplifying fractions
1. Find the GCD (or HCF) of numerator and denominator
GCD of 7950 and 1800 is 150
2. Divide both the numerator and denominator by the GCD
7950 ÷ 150/1800 ÷... | HuggingFaceTB/finemath | |
PDEtools - Maple Programming Help
Home : Support : Online Help : Mathematics : Differential Equations : PDEtools : PDEtools/Laplace
PDEtools
Laplace
solves a second order linear PDE in 2 independent variables using the method of Laplace
Calling Sequence Laplace(PDE, F, numberofiterations = ...)
Parameters
PD... | HuggingFaceTB/finemath | |
# How do you write "8 increased by 3 times a number" as an algebraic expression?
Aug 4, 2018
$3 x + 8$
#### Explanation:
Let the number be represented by $x$
Now Interpreting the statement;
Three times a number;
$3 \times x$
$3 x$
Increased by eight;
$3 x + 8$ | HuggingFaceTB/finemath | |
Brickwork Calculation Formula
Contents
How to calculate Number of bricks, cement and Sand for brickwork?
Any construction works requires a pre estimation of the quantities of the materials to be used, which is necessary to predict the cost and availability of materials.
So, With brickwork calculation formula we wil... | HuggingFaceTB/finemath | |
You are on page 1of 5
# Determine : the consolidation settlement?
Solution :
. .
= (
= (
)(
,
,
. ,
,
. ,
) ( ,
= 24,187
=
1,83
= 0,6
3,05
## With OCR (Over Consolidation Ratio) step :
OCR =
=
,
,
= 1,486
Base on table 5.14, we get the value of
## = 0,972 (with interpolation)
So,
( )
).
( )
= 0,972 .... | HuggingFaceTB/finemath | |
# solving for x
• Nov 7th 2009, 03:46 PM
samtheman17
solving for x
solve the following for x:
2sin^2=1 (0 < x < 2*%pi)
what is the solution set??
i think there are 4 answers to this , but im not sure how to do this.....
• Nov 7th 2009, 03:58 PM
VonNemo19
Quote:
Originally Posted by samtheman17
solve the following ... | HuggingFaceTB/finemath | |
1. ## [SOLVED] Calc Help
I missed a day of calc, and my prof assigned these problems for tomorrow. I am completely lost, and in need of help! I don't get it at all. Any help, would be greatly appreciated - please! Here are the problems...my book is of no use...
Show that y=xe^-x + 2 is a solution of the original valu... | HuggingFaceTB/finemath | |
# To find Cost Price when Selling Price and Profit or Loss are Given
We will learn how to find cost price when selling price and profit or loss are given.
1. By selling a laptop for $550, a profit of 10% is made. Find its cost price. Solution: Let cost price be$100
Profit = 10% of $100 = 10/100 ×$100
= $10 And sell... | open-web-math/open-web-math | |
Practical Bud Observation, Measurement and Analysis
Measurement
Manual Measurement
The path geometry that appears to conform so very well to the buds is discussed in full elsewhere.
In this section, we deal with the practical application of that geometry to real buds—or, at any rate, to photographs of them. We dis... | HuggingFaceTB/finemath | |
# Difference Between Scalar and Vector Quantity
Scalar and vector quantities are the two terms which are frequently used when you are a science student. Both these quantities have got their large application in the field of science and mathematics. Physics can be said to be based on the mathematics. In physics, there ... | HuggingFaceTB/finemath | |
# 400 m to cm converter
## Converting 400 m to cm
We appreciate that you have come to our meters to centimeters converter. This page will provide the best information about 400 meters to centimeters. Even better, we can convert m to centimeters and prepare the conversion from meters or other length units for your con... | HuggingFaceTB/finemath | |
# Can (sec x - cosec x) / (tan x - cot x) be simplified further?
hala718 | Certified Educator
Given the expression ( sec x - csec x ) / (tan x - cot x)
We need to simplify.
We will use trigonometric identities to simplify.
We know that:
sec x = 1/cos x
csec x = 1/sin x
tan x = sinx/cosx
cot x = cos x/ sin x
W... | HuggingFaceTB/finemath | |
2413
2,413 is an odd composite number composed of two prime numbers multiplied together.
What does the number 2413 look like?
This visualization shows the relationship between its 2 prime factors (large circles) and 4 divisors.
2413 is an odd composite number. It is composed of two distinct prime numbers multiplied... | HuggingFaceTB/finemath | |
Are all of the numbers in a certain list of 15 numbers : GMAT Data Sufficiency (DS)
Check GMAT Club Decision Tracker for the Latest School Decision Releases http://gmatclub.com/AppTrack
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### GMAT Club Daily Prep
#### Thank you for using the timer - this advanced tool can estimate y... | HuggingFaceTB/finemath | |
# The logic behind the cross product with units
1. Sep 16, 2008
### ManDay
The cross product equals to the area of the parallelogram defined by the two vectors (at least in R^3). So if working on vectors which units
v_1 = (1,2,3)m
v_2 = (3,4,5)m
it correctly returns the according area. However, if used to get a ve... | HuggingFaceTB/finemath | |
Convert Deci (SI-prefixes)
## Convert Deci
numbers in scientific notation
Direct link to this calculator:
https://www.convert-measurement-units.com/convert+Deci.php
# Convert Deci (SI-prefixes):
1. Choose the right category from the selection list, in this case 'SI-prefixes'.
2. Next enter the value you want to ... | HuggingFaceTB/finemath | |
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# Formula Forensics No. 037 – How to Count and Sum Filtered Tables
A few weeks ago in the Chandoo.org Forums, Jsk_Lge asked “How do I count the number of items in a filtered list?
Narayan and I helped out with a well publicised Excel formula
=SUMPRODUCT(SUBTOTAL(103,OFFSET(A2,ROW(A2:A100)-ROW(A2),0)),(A2:A100... | HuggingFaceTB/finemath | |
# Chapter 18 Alternating current¶
## Example 18.2 Page no 555¶
In [10]:
#Given
f1=100
f2=2.0
I0=50
#Calculation
import math
f=f1/f2
Im=0.636*I0
Iv=0.707*I0
I=I0*math.sin(60*3.14/180.0)
#Result
print"(i) Frequency of A.C applied is",f,"c.p.s"
print"(ii) Mean value of current is",Im,"A"
print"(iii) Virtual value of c... | HuggingFaceTB/finemath | |
# A substance breaks down by a stress of 106Nm−2. If the density of the material of the wire is 3×103kgm−3, then the length of the wire of the substance which will break under its own weight when suspended vertically is
A
34 m
B
30 m
C
300 m
D
3 m
Video Solution
Text Solution
Verified by Experts
|
Step by st... | HuggingFaceTB/finemath | |
Multiples of 209 Welcome to the Multiples of 209 page. Here we will first teach you everything you will ever need to know about the multiples of 209, and then give you a study guide summary of everything we taught you to make sure you remember it all. Use this page to look up facts and learn information about the multi... | HuggingFaceTB/finemath | |
# Pre Calculus
(a) Determine the number of terms, n, if 3+3^2+3^3+..........+3^n= 9840.
(b) Three numbers, a, b and c form a geometric series so that a+b+c = 35 and abc = 1000. What are the values of a, b and c ?
1. 👍 0
2. 👎 0
3. 👁 277
1. A fractal is created: A circle is drawn with radius 8 cm. Another circle is... | HuggingFaceTB/finemath | |
Home > math puzzle > Puzzle on the road – how many combinations of food that I can have ?
## Puzzle on the road – how many combinations of food that I can have ?
Let me start with the introduction of why I come up with this puzzle. I was invited to go to Trieste, Italy for a summer school in ICTP (click here for info... | HuggingFaceTB/finemath | |
Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ • π ƒ -¹ ² ³ °
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## #1 2005-04-05 09:50:56
Traesk
Novice
Offline
### I disagree with 0.999... = 1
The "proof" that says 0.999... = 1 goes like this:
(1) x = 0.999...
(2) 10x = 9.999...
(3) 9x =... | HuggingFaceTB/finemath | |
# Powerful Integers
Given two positive integers x and y, an integer is powerful if it is equal to x^i + y^j for some integers i >= 0 and j >= 0.
Return a list of all powerful integers that have value less than or equal to bound.
You may return the answer in any order. In your answer, each value should occur at most... | HuggingFaceTB/finemath | |
# Are there any infinitesimals in R?
1. Jul 10, 2009
### avec_holl
1. The problem statement, all variables and given/known data
Prove that infinitesimals are not a subset of R.
2. Relevant equations
N/A
3. The attempt at a solution
Well, I had two ideas about how to prove this but I'm really not sure about eith... | open-web-math/open-web-math | |
Bitcoin Forum
January 17, 2019, 10:31:25 PM
News: The copper membership price will increase by about 300% around Friday.
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Pages: 1 ... 1922 1923 1924 1925 1926 1927 1928 1929 1930 1931 1932 1933 1934 1935 1936 1937 1938 1939 1940 1941 1942 1943 1944 1945 1946 1947 1948 1949 1950 1... | HuggingFaceTB/finemath | |
How to Solve the Div 0 Error When Calculating Averages
The div 0 error is a common issue faced by programmers and analysts when dealing with data analysis and calculations. It occurs when attempting to divide a number by zero, which is an invalid mathematical operation. This error can cause disruptions in data analysi... | HuggingFaceTB/finemath | |
# Maths hw - arithmetic sequence
Watch
Announcements
#1
Can u pls help me with this Q? Thanksss
Q: The first term of an arithmetic sequence is 12, the last is -78 and the sum is -363. Find the number of terms in a sequence and the difference
0
3 weeks ago
#2
(Original post by isabellazafe)
Can u pls help me with this ... | HuggingFaceTB/finemath | |
General Lebesgue Dominated Convergence Theorem
In Royden (4th edition), it says one can prove the General Lebesgue Dominated Convergence Theorem by simply replacing $g-f_n$ and $g+f_n$ with $g_n-f_n$ and $g_n+f_n$. I proceeded to do this, but I feel like the proof is incorrect.
So here is the statement:
Let $\{f_n\}... | HuggingFaceTB/finemath | |
..
$PLEASE HELP ASAP!! ..$
9. Find the area of a circle having a circumference of 382. Round to the nearest tenth. Use 3.14 for 1. a. 1133.5 units b. 1078.6
1. roger93 says:
axis of symmetry: 2,2
turning point/vertex: 0,-2
Step-by-step explanation:
2. Expert says:
proofs involving isosceles triangles often requ... | open-web-math/open-web-math | |
# h31 - hernandez(ejh742 – homework 31 – Turner –(58120...
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Unformatted tex... | HuggingFaceTB/finemath | |
# Can we prove $1\neq 2$ using intuitionistic methods?
Can we prove $$1\neq 2$$ using intuitionistic methods? It is trivial to prove conventionally starting from Peano's Axioms, but it seems to require a proof by contradiction.
Assume $$S(0)=S(S(0))$$.
One of the Peano axioms say that $$S(x)=S(y) \to x=y$$, so we im... | open-web-math/open-web-math | |
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# Probability and Standard Deviation Determination
This content was COPIED from BrainMass.com - View the original, and get the already-completed solution here!
please explain how to solve for probability...
If i have a class of 14 males and 36 females and the professor selects a name from the class... | HuggingFaceTB/finemath | |
# Formula for calculating transaction fees
Let's say a credit card processor wants to charge $(3\% + \text{US}\$ 2)$for all transaction. What formula do I use to make sure that after the charges are deducted, I get the figure I want. Example: If my product is$\text{US}\$100$ How much do I need to increase the price so... | HuggingFaceTB/finemath |
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