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Corrections made September 17, 2014, March 6, 2022
## 4 thoughts on “Related Rate Problems II”
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Like
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Like
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$\displaystyle \frac{dz}{dt}=\frac{2x\left( dx/dt \right)}{2\sqrt{900+{{x}^{2}}}}=\frac{5x}{\sqrt{900+{{x}^{2}}}}=\frac{5\left( 40 \right)}{\sqrt{900+{{40}^{2}}}}=4$
Let s = leng... | 3,722 | 200 |
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Short name 19 thousand 984 nineteen thousand nine hundred eighty-four
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Scientific notation 1.9984 × 104 19.984 × 103
## Prime Factorization of 19984
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The prime factorization of 19,984 is 24 × 1249. Since it has a total of 5 prime factors, 19,984 is a composite number.
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The number 19,984... | 6,006 | 201 |
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2 z 0 0 1
3 y 0 1 0
4 x 1 0 0
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# MONOMIAL Multivariate Monomials
MONOMIAL is a FORTRAN77 library which enumerates, lists, ranks, unranks and randomizes multivariate monomials in a space of D dimensions, with total degree less than N, equal to N, or lying within a... | 7,633 | 202 |
# Electrical Wire and Cable Size Calculator
## Electrical Wire and Cable Size Calculator
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Electrical Wire Sizing
N.B. To write decimal numbers do not use a comma, but the point (eg 2.5 meters). Note that increasing the voltage of the battery bank, the energy lost on the wires is greatly reduced. Energy losses... | 2,988 | 203 |
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## Thursday, December 17, 2015
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## Thursday, December 17, 2015
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I wanted some easy puzzles to use as introduction and was surprised not to be able to find any two factor puzzles, so I went ahead and started creating some. Here are three, for your amusement. If you know a sour... | 1,261 | 204 |
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Ever because the Irish mathematician William Rowan Hamilton brought quaternions within the 19th century--a feat he celebrated by way of carving the founding equations right into a stone bridge--mathematicians and engineers were thinking about those mathematical gadgets. this present day, they're utilized in pur... | 1,693 | 205 |
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It was introduced by Shapiro and Wilk in 1965. Solution Step 1. For example, when we apply this function to our normal.data, we get the following: shapiro.test( x = normal.data ) ## ## Shapiro-Wilk normality test ## ## data: normal.data ## W = 0.98654, p-value = 0.4076. 1992. Calculate the p-value fro... | 4,835 | 206 |
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# math- plz help
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The denominator of a fraction is greater than its numerator by 9. If 7 is subtracted from both its numerator and denominator, the new fraction equals 2/3. What is the original fraction?
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original numerator --- x
original denominator -- x+9
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original fraction =... | 625 | 207 |
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An object starts at the origin in a straight line. Its velocity versus time graph is shown in the figure. Which one of the following choices best gives the proper intervals(s) of time for which the object is moving away from the origin?
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Anonymous User Physics 27 Mar, 2020 63 views
A particle is moving... | 9,978 | 208 |
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#### Explanation:
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Impress your friends with this cool mathematics puzzle. (and know how maths is useful in real life)
This lets you give the age of a person and the number of siblings in their family.
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1. Think of your age in years
2. Multiply your age by 2
4. Multi... | 1,390 | 209 |
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\$32p/h
Melissa O.
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# Integers
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\$32p/h
Melissa O.
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# Integers
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\$32p/h
Melissa O.
Former junior high math teacher who loved it!!!
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# Integers
Often integers (positive and negative numbers) are difficult to add and subt... | 283 | 210 |
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What happens when you try to push a box on a rough floor?
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If we push the box with a small force, it does not move as the friction opposes the push.
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If an unbalanced force is applied to the object, there will be a change either in its speed or the direction of motion. Thus, to... | 1,495 | 211 |
{[ promptMessage ]}
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{[ promptMessage ]}
sol_hw07_Ch24
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This preview has intentionally blurred sections. Sign up to view the full version.
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sol_hw07_Ch24 - nxysms H3 Helmets/or k 1‘ 7 CD 24.10...
This preview shows document pages 1 - 7. Sign up to view the full document.
View Full Document
As... | 15,445 | 212 |
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1: 4/5 = 8/x + 2 x=4 x=9.5 x = 2 x = 8 2. 2/3 = 1.2/x x = 18 x = 1.8 x = 0.2 x = 10 My answers: 1. x = 8 2. x = 0.2
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2x square_ 5
88. ### Math
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1: 4/5 = 8/x + 2 x=4 x=9.5 x = 2 x = 8 2. 2/3 = 1.2/x x = 18 x = 1.8 x = 0.2 x = 10 My answers: 1. x = 8 2. x = 0.2
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Evaluate ... | 4,507 | 213 |
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1. ## What is this?
A friend of mine gave this to me as a challenge. I almost have no clue what I'm supposed to do
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2. ## Re: What is this?
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Integro-differential equation - Wikipedia, the free encyclopedia
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5. ## Re: What is this?
Originally Posted by johng
Hi ReneG,
If the upper limit... | 2,359 | 214 |
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Key Math Terms and definitions covered in this textbook
• Block matrix.
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• Cramer's Rule for Ax = b.
B j has b replacing column j of A; x j = det B j I det A
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A(B + C) = AB + AC. Add then multiply, or mUltiply then add.
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• Rank r (A)
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Columns of n by n identity matrix (written i... | 2,528 | 215 |
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for all ket vectors and , and
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(29) (30)
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(31) (32)
However, in general, it is non-commutative: i.e.,
(33)
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(34)
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(36)
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Next: Outer Product Up: Fundamental Concepts Previous: Bra Space
Richard Fitzpatrick 2013-04-08
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Next: Outer Product Up: Fundamental Co... | 1,729 | 216 |
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Consider, for example,
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The problem with the spurious regression is that t- and F-statistics do not follow standard distributions. As shown in Phillips (1986), j3 does not converge in
probability to zero, R2 converges to unity as T — oo so that the model will appear to fit well even though it is misspe... | 3,632 | 217 |
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In the third example, `5 % 5` is a special case. Since 5 divides evenly into 5, there's nothing left over, so the result is 0.
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Things get a bit more interesting when negative numbers are involved. In Python, the sign of the result matches the divisor (the number after the `%`).
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In the second l... | 3,332 | 218 |
# Kinetic Energy Operator in Momentum Basis
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$$\hat T = \frac{p^2}{2m} = -\frac{\hbar^2}{2m} \frac{d^2}{dx^2}$$
and the wave function in momentum space, which is obtained using the Fourier transform
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i.e. that $$\tilde \psi(k)$$ is an eigenstate of the kinetic energy operator. I don't manage to replica... | 4,900 | 219 |
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The concepts covered in this chapter deal with basic addition and subtraction facts and relationships.
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• I can add and subtract in ways that make sense to me.
• I can solve addition and subtraction word problems up to 20 in a way that makes sense to me.
• I can write an equation using... | 903 | 220 |
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# In the country of United States of Heightlandia, the height measurements of ten-year-old children are approximately...
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Height measurements are uniformity distributed with
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First determine the z score Value
Z score=(X-X')/S
=(56.55-53.6)/6.9
=0.4275
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=0.6664 (From ... | 756 | 221 |
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### 3: Summary Statistics Notation Measures of Central Lo ion
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### How to Check for Outliers — datatest 0.11.1 documentation
... Mailing Addresses · Fuzzy Matching · NaN Values · Negative Matches; Outliers There are many techniques for detecting outliers and no single approach can approach based on the... | 5,370 | 222 |
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# From a triangle ABC with sides of lengths 40 ft, 25 ft and 35 ft, a triangular portion GBC is cut off where G is the centroid of ABC. The area, in sq ft, of the remaining portion of triangle ABC is
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The lengths are given as 40, 25 and 35.
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Since the cenroid divides the median in the ratio 2 : ... | 733 | 223 |
# Can someone show me how this is solved algebraically
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1. The problem statement, all variables and given/known data
I need to show how the first equation gives the second equation algebraically
2. Relevant equations
I've tried multiple methods such as rationalizing the denominator with no avail.
3. The atte... | 1,575 | 224 |
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This preview shows pages 1–2. Sign up to view the full content.
Problem 14.2-2(a) Given: The sketch represents three nodes on a z=constant face of an axisymmetirc quadratic element. Nodes shown are uniformly spaced. Determine the consistent nodal load vector if z-direction traction z is appli... | 2,295 | 225 |
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$n$ is a giuga number $\iff$ $\sum_{i=1}^{n-1} i^{\phi(n)} \equiv -1 \mod {n}$
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# Theorem on Giuga number
Giuga number : $n$ is a Giuga number $\iff$ For every prime factor $p$ of $n$ , $p | (\frac{n}{p}-1)$
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$n$ is a giuga number $\iff$ $\sum_{i=1}^{n-1} i^{\phi(n)}... | 753 | 226 |
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a
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Answer:
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(iii)
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Answer:
First, modify the classes to make the data. continuous by subtracting 0.5 from the lower limit and adding 0.5 to the upper limit.
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Answer:
(i)
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Students can Download Maths Chapter 15 Statistics Questions and Answers, Notes Pdf,... | 10,111 | 227 |
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Track
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we will pick new questions that match your level based on your Timer History
Not interested in getting valuable practice questions and articles delivered to your email? No problem, unsubscribe here.
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SORT BY:
Tags:
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Math Expert
Joined: 02 Sep 2009
Posts: 94776
Own Kudos... | 17,749 | 228 |
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## cv.complex variables – Prove that a logarithmic integral is convergent
Define, $$I=int_{-infty}^inftyfrac{log^-|zeta(frac{1}{2}+it)|}{frac{1}{4}+t^2}dt$$
where $$zeta$$ denotes the Riemann zeta function and $$log^-|f|=max(-log|f|,0)$$.
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Then we choose the person “A” who sits at the... | 9,034 | 229 |
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Question 372514: Use the quadratic formula to solve x2 + 8x + 9 = 0. Estimate irrational solutions to the nearest tenth. Click here to see answer by Fombitz(13828)
Question 372622: Determine the coordinates of the x-intercepts for the quadratic equation 4x2 – 3x - 1 = 0. Click here to see answer by ewatrrr(1... | 8,531 | 230 |
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# Combinations : Problem Solving With Dice
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Question1: How many dots at the outer sides of the dice. Given view is from the top of these four dice?
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Question 3: Each member creates a problem by using dice - he or she can use as many dice as required- any type of creation will be accepted.
#####... | 1,655 | 231 |
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# Pipes and Cistern- Aptitude Questions and Answers
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# Pipes and Cistern- Aptitude Questions and Answers
Pipe A can fill a tank in 45 hrs and pipe B can fill it in 36 hrs. If both the pipes are opened in the empty tank. In how many hours will it be full? A) 10 hr B) 15 hr C) 20 hr ... | 209 | 232 |
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This is a geometric sequence with initial term $\frac{16}{9}$ and common ratio $\frac{3}{4}$.
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#### Explanation:
This is a geometric sequence with initial term $\frac{16}{9}$ and common ratio $\frac{3}{4}$.
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Observe that $243 = {3}^{5}$ and $1024 = {2}^{10} = {4}^{5}$.
Compar... | 700 | 233 |
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So I guess my next step is to find a solution to $$b_{n}$$.
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19. Oct 26, 2008
### Schmoozer
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### Schmoozer
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$$\frac{d^2 T}{dx^2}=-\frac{\dot{q}}{k}$$ T(x=0)=1 T(x=1)=2 Cartisian
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$$\frac{1}{r^2}\frac{d}{dr}(r^2\frac{dT}{dr})=-\frac{\dot{q}}{k}$$ T(r=R)=1 Speric... | 5,258 | 234 |
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library(caracas)
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library(caracas)
## Quick start
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$2 x^{2} - x$
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$\left[\begin{matrix}\frac{1}{x} & 0\\- \frac{1}{x^{2}} & \frac{1}{2 x}\end{matrix}\right]$
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library(caracas)
## Quick start
x <- symbol('x')
eq <- 2*x^2 - x
eq
#> [caracas]: ... | 1,560 | 235 |
# The moon's mass is 7.34x10-kg and it is 3.8x10m away from earth. Calculate the gravitational force of attraction between earth and moon
2
by poolruthpepe
and it says is 3.8x10m away from earth
it's 380m?
I'll just google the distances and weights and give you an answer
show me the work
okay
2014-11-28T15:14:21-05:0... | 2,320 | 236 |
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+2 votes
Suhana was asked to multiply a certain number by 25. She multiplied it by 52 and got her answer more than the correct one by 324.What is the number?
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1729 is also known as hardy-ramanujan number. While they were going in a taxi, Mr. Hardy told Ramnujan that what a boring numb... | 1,445 | 237 |
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Group E will have a little of my group A - B - C - D
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Lesson6 must have some repeated images from those lessons studied as a random reinforce.
After lesson6, each lesson is gonna get 40 % from past lessons and so on. But it is interresting another
way, see below.
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Lesson1 new images
Lesson2 new... | 7,527 | 238 |
# NCERT Solutions for Class 12 Maths Chapter 3 Matrices Ex 3.4
These NCERT Solutions for Class 12 Maths Chapter 3 Matrices Ex 3.4 Questions and Answers are prepared by our highly skilled subject experts.
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Question 5.
$$\begin{bmatrix} 2 & 1 \\ 7 & 4 \end{bmatrix}$$
Solution:
Let $$A=\begin{bmatrix} 2 & 1 \\ 7 ... | 4,457 | 239 |
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With the exception of a leap year, each month has exactly the same number of days each year. Ranging from 28 to 31 days each month, the Gregorian Calendar used in the United States measures the number of days and weeks in a year for a total of 365 days -- or 366 days in a leap year. With a sim... | 858 | 240 |
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• 6th grade math -
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1. ### Math
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Mrs Bradner has 30 tomato plants. She wants to plant the same number of plants in each row of her garden. Explain how she could decide the number of rows to plant
4. ### 3rd grade math
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More Similar Questions
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15
• 6th grade math -
<MA... | 1,824 | 241 |
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1. Nov 5, 2006
amcca064
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Fx = mgcosalpha
and
Fy = n - mgsinalpha
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As the skier goes down the slope his speed increases. Also the component of gravity that must keep him on the slope decreases. At some stage his speed becomes such that the component of gravity cannot keep him on the slope anymor... | 1,563 | 242 |
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## summary
This subchapter looks at expressions.
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If you like the idea of this project,
then please donate some money.
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This subchapter is a stub section. It will be filled in with instructional material later. For now it serves the purpose of a place holder for the order of instruction.
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Therefore, for $n > N$,
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$\le \displaystyle \int_{0}^{1}\cdots\int_{0}^{1} \left| f\left(\dfrac{x_{1}+x_{2}+\cdots+x_{n}}{n}\right) – P\left(\dfrac{x_{1}+x_{2}+\cdots+x_{n}}{n}\right)\right| dx_{1}dx_{2}\cdots dx_{n} + 2\epsilon/3 < \epsilon$
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Define
$$\psi_n(x)=\overbrace{\left(n\chi_{[0,1/n]}\... | 11,147 | 244 |
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–4|–2x + 6| = –24
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Solve for x over the real numbers:
abs(6 - 2 x) = 6
Split the equation into two possible cases:
6 - 2 x = 6 or 6 - 2 x = -6
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0
209
1
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–4|–2x + 6| = –24
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Solve for x over the real numbers:
abs(6 - 2 x) = 6
Split the equation into two possible... | 598 | 245 |
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9
That means the C/N ratio in the receiver will
fall below the minimum permissible value for
proper operation of the link for between 0.5
and 0.01% of the specified time; the link is
then said to suffer an outage. The time period
over which the percentage to time is measured
can be a month, sometimes the worst ... | 84,632 | 246 |
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Opposite sides are the same length and they are parallel. A square is a parallelogram with four sides of equal length and four right angles. What is a five-sided polygon called? I can't draw the shape here, but it is a triangular prism that looks like a wedge of cheese. Use any two of the prop... | 913 | 247 |
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Kablammo! Like something out of a Bruce Willis movie, an American and a Russian satellite collided about 800 km above Siberia. The two blew apart into hundreds of pieces after smacking into each other at over 28,000 km per hour. It must’ve been one heck of a demolition derby up there.
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When we’re calcul... | 3,233 | 248 |
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## Cardinal Numbers
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Thus, from the above examples, we see that to know “how many?” of something is there, we need to use cardinal numbers.
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How many cardinal numbers are there?
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We can write cardinal numbers in numerals as 1, 2, 3, 4, and so on as well as in words like one, two, three, ... | 1,726 | 249 |
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# Speed Conversion Calculator
Convert Speed or Velocity
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Where S is our starting value, C is our conversion factor, and E is our end converted result.
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To convert from m/s into units in the left column divide by the value in the right column or, multiply by the reciprocal, 1/x.
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<UNMASK... | 2,092 | 250 |
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##### Stage: 2 and 3 Challenge Level:
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You have been given nine weights, one of which is slightly heavier than the rest. Can you work out which weight is heavier in just two weighings of the balance?
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### Tessellating Hexagons
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### Königsberg
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##### Stage: 3
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### Sticky N... | 7,451 | 251 |
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It's like finding the ways of
choosing p [k] times
and choosing q [n - k] times.
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## Example 1
The result of the past tossing
does not affect the next tossing.
So tossing a coin is an independent event.
And the same tossing is repeated.
So this is a binomial experiment problem.
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For a single ... | 4,348 | 252 |
# Mortgage Calculator: How to Calculate Your Monthly Payments
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See Mortgage Rate Quotes for Your Home
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There are quite a few factors that go into the calculation of your mortgage expenses, but most homebuyers like to begin by determining their monthly payments and the lifetime cost of the mortgage. Calc... | 8,461 | 253 |
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Generator theorems Network theorems
Network analysis methods
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Equivalent circuits
A useful procedure in network analysis is to simplify the network by reducing the number of components. This can be done by replacing the actual components with other notional components that have the same effect. A part... | 25,399 | 254 |
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Question description
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Question description
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~~~For this or similar assignment papers~~~
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Question description
A mass m is attached to a helical spring whose spring constant is k. At t=0, it is brought to rest and constant forcing function f(t) = (1/b ) Ib is impres... | 490 | 255 |
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Integration
This is basically the opposite of differentiation. If you took the second derivative of an equation and integrated it you would get the first derivative. When anything is integrated, there is always an unknown, which is commonly referred to as 'c'. This can be worked out if there ... | 3,145 | 256 |
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It follows by induction that $p$-groups are solvable, since the center is a normal subgroup and the quotient $G/Z(G)$ is also a $p$-group. Since a group obtained from an abelian group by repeated central extensions is nilpotent, $p$-groups are in fact nilpotent.
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### Wedderburn’s theorem
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Now le... | 6,656 | 257 |
# Are we changing the angle of attack by changing the pitch of an aircraft?
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# Are we changing the angle of attack by changing the pitch of an aircraft?
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if I pitch the airplane up, but also increase power and am able to maintain the same speed, then no, the AoA hasn’t changed, although it may... | 12,019 | 258 |
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Thread: Cullen prime problem View Single Post
2006-12-01, 20:48 #10 maxal Feb 2005 22·32·7 Posts There is a faster way to sieve out numbers of the form q*2^q+1 that are divisible by a given prime p>=3. Suppose that q*2^q+1 is divisible by p. Then q*2^q = -1 (mod p) or alternatively q = - 2^(-q) (... | 663 | 259 |
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44. a small mass m slides without fritction around the looped apparatus show in the picture below. If the object is to remain on the track, even at the top of the circle (whose radius is r), from what minimum height H must it be released?
http://i75.photobucket.com/albums/i319/Thepalaceguild/... | 3,583 | 260 |
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When you have the product of two xterms in which one term is not the derivative of the other, this is the most common situation and special integrals like. This is unfortunate because tabular integration by parts is not only a valuable tool for finding integrals but can also be applied to more advanced topics i... | 5,746 | 261 |
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3. zepdrix
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## 4meisu 2 years ago t = 2π √l/g Re-arrange to make g the subject.
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2. zepdrix
If this is correct, here are the steps we would take: ~Multiply both sides by g,$\large g t=2\pi \frac{\sqrt \ell}{\cancel g}\cancel g$The g's will cancel out on the right, ~Divide both sides b... | 1,186 | 262 |
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How to use the Time and Work Formula
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What are the benefits of using the Time and Work Formula?
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How to calculate your time and work schedule
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1. Write down the date you need to know the information for.
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3. Add up the time spent on each activity.
4. Divide the total time by the... | 3,294 | 263 |
Monday, March 4, 2024
Home > Latest Announcement > NMTC 2018 Final Stage Class 9 and 10 Questions With Solutions
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# NMTC 2018 Final Stage Class 9 and 10 Question Paper With Solutions
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Solution:
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ANSWER: 45360
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A rectangle can be divided into n equal squares. The same rectangle can also b... | 2,550 | 264 |
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### Step-by-step explanation:
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### Step-by-step explanation:
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Dr Math
thank you, we corrected the wording of the problem. But your solutions 44604 tricks is also wrong because in the corners some bricks are not counted.
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# Brick wall
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n = 44378
### ... | 734 | 265 |
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For example in B:
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• Feb 7th 2010, 09:19 AM
ilc
help on a probability problem
Two cards are drawn from a deck of 52 plating cards. find the probability of each of the following events occurring:
a) both cards are clubs
b) both cards are red
c) both cards are queens
d) both cards are r... | 3,352 | 266 |
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Median = 75.5
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Histograms are one of the most commonly used graphs to show frequency distribution. It is a graphical display of data using bars of different heights. Similar to the bar chart, the histogram groups numbers into ranges. It is an appropriate way to display single-variable data.
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Rep... | 8,447 | 267 |
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1. How many ways can an EMT union committee of 5 be chosen from 25 EMTs?
100
125
15,504
53,130
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Explore BrainMass
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This content was COPIED from BrainMass.com - View the original, and get the already-completed solution here!
1. How many ways can an EMT union committee of 5 be chosen fr... | 2,769 | 268 |
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Rounding numbers in Javascript #
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# Frequent question: How do you round a number to the nearest ten in JavaScript?
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## How do you round to the nearest number in Javascript?
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Rounding numbers in Javascript #
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## How do you use the round method in JavaScript?
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## ... | 1,808 | 269 |
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DOLLAR * 4 = QUARTER
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Discussion
Suggestions
• Views : 50k+
• Sol Viewed : 20k+
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How many such operations are necessary to correctly label the bags ?
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Difficulty Popularity
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Note that the unusual marble may be heavier or lighter than the others. You are asked to both identify it ... | 4,826 | 270 |
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The packet also includes traceable digital time cards to the hour and half hour + blank analog clock cards to be filled in as an assessment or skill practice.
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If you missed the other Election activity articles I’ve blogged about simply scroll down.
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The 1st student to complete... | 2,890 | 271 |
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x=45±45+360k
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2–√cos45=2–√sin45=1
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From 0 to 360, that’s x=135 and x=360−45=315
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cos(45−x)=1/2–√=cos(45)
<MASK>
x=45±45+360k
<MASK>
k=−1
cos(45−x)=−1/2–√=cos(135∘)
<MASK>
<UNMASK>
## the points of discontinuty of a function f(x)=[x], xe(0, 3)
Question
the poi... | 1,326 | 272 |
<MASK>
ex. Starting with 7 different values from A1 thru A7, what would the
values of A8 thru A10 have to be to reach an overall average of 5?
<MASK>
<UNMASK>
# Average Help, v. 2.0
<MASK>
ex. Starting with 7 different values from A1 thru A7, what would the
values of A8 thru A10 have to be to reach an overall ave... | 823 | 273 |
# Quick Answer: What Is The Formula For Finding Fixed Cost?
<MASK>
To determine the total variable cost the company will spend to produce 100 units of product, the following formula is used: Total output quantity x variable cost of each output unit = total variable cost. For this example, this formula is as follows: ... | 1,191 | 274 |
<MASK>
Where $f(x, y)$ is an expression for the derivative of $y$ that can be evaluated given $x$ and $y$. When $f(x, y)$ is linear w.r.t. $y$, the equation is a first-order linear ODE which can be written in the form:
$$\frac{\mathrm{d} y}{\mathrm{d} x} + P(x)y = Q(x)$$
<MASK>
### Euler method¶
<MASK>
$$y(t+h) \... | 11,690 | 275 |
<MASK>
This animations shows how the graph changes as the value of "b" changes.
<MASK>
<UNMASK>
<MASK>
This animations shows how the graph changes as the value of "a" changes.
This animations shows how the graph changes as the value of "b" changes.
<MASK>
<UNMASK>
Amberly Roberts
Assignment 11: Polar Coord... | 635 | 276 |
<MASK>
Percentages find their applications in academics, engineering sites, stock markets, Information technology, etc.
<MASK>
The answer of 65 percent of 0.75 is 0.4875 which means the 65th part of 0.75 is 0.4875. The given 65% is the 65th portion out of the total 100 portions of the number 0.75. There are many fo... | 1,776 | 277 |
<MASK>
May 30, 2018
<MASK>
=$\frac{x + 3}{x + 2} , x \ne 3$
<MASK>
<UNMASK>
<MASK>
$\frac{x + 3}{x + 2} , x \ne 3$
<MASK>
May 30, 2018
<MASK>
$\frac{2 x - 1}{\left(x - 3\right) \cdot \left(x + 2\right)} + \frac{x - 4}{x - 3}$
<MASK>
=$\frac{x + 3}{x + 2} , x \ne 3$
<MASK>
=$\frac{1}{x + 2} + \frac{x - 3}... | 1,694 | 278 |
<MASK>
In their previous papers, Team XX looks at age and wage using several statistical techniques. Team XX will cover bivariate regression for their Week Five assignment. As per Doane-Seward (2007), scatter plots and correlation coefficients provide clues about the relationship between variables and to model the rel... | 1,436 | 279 |
<MASK>
##### Stage: 1 Challenge Level:
<MASK>
##### Stage: 2 Challenge Level:
<MASK>
##### Stage: 2 Challenge Level:
<MASK>
##### Stage: 2 Challenge Level:
<MASK>
<UNMASK>
# Search by Topic
<MASK>
Filter by: Content type:
Stage:
Challenge level:
<MASK>
### Homes
<MASK>
There are to be 6 homes built on a... | 6,678 | 280 |
<MASK>
Distance of object, $u=-30 \mathrm{~cm}$
Distance of image, $v=10 \mathrm{~cm}$
Magnification, $m=\frac{-v}{u}=\frac{(-10)}{-30}=\frac{1}{3}$
Speed of image $=m^{2} \times$ speed of object $=\frac{1}{9} \times 9=1 \mathrm{~cm} \mathrm{~s}^{-1}$
<UNMASK>
<MASK>
Solution:
(1)
Distance of object, $u=-30 \m... | 787 | 281 |
<MASK>
1)-163 840
<MASK>
<UNMASK>
<MASK>
1)-163 840
<MASK>
3)81,920
<MASK>
0 like 0 dislike
81920.
<MASK>
a₁₅=5*(-2)¹⁴=-5*1024*16=81920.
by
<UNMASK>
0 like 0 dislike
What is the fifteenth term of the sequence
5,-10,20,-40,80,...?
1)-163 840
<MASK>
3)81,920
<MASK>
0 like 0 dislike
81920.
<MASK>
2) th... | 432 | 282 |
<MASK>
• Sep 11th 2011, 06:52 AM
MathsFreakLove
Equation Of The Line?
hi im new on here, (Hi)
<MASK>
once you determine the coordinates of the y-intercept, use the equation to determine the slope between two points in the x-y plane.
<MASK>
<UNMASK>
<MASK>
• Sep 11th 2011, 06:52 AM
MathsFreakLove
Equation Of The ... | 2,022 | 283 |
<MASK>
<UNMASK>
<MASK>
a) $\frac{1}{9}$ b) $\frac{1}{x}$
a) $\frac{3^n3^{2n}}{3^{3n}3^2}=\frac{3^{n+2n}}{3^{3n}3^2}=\frac{3^{3n}}{3^{3n}3^2}=\frac{1}{3^2}=\frac{1}{9}$ b) $\frac{x^2x^n}{x^3x^n}=\frac{x^2}{x^3}=\frac{1}{x}$
<UNMASK>
## Algebra and Trigonometry 10th Edition
a) $\frac{1}{9}$ b) $\frac{1}{x}$
a) $\fr... | 277 | 284 |
<MASK>
### How do you go from sin to csc?
The secant of x is 1 divided by the cosine of x: sec x = 1 cos x , and the cosecant of x is defined to be 1 divided by the sine of x: csc x = 1 sin x .
<MASK>
The trigonometric function sine, like the cosine and the tangent, is based on a right-angled triangle. In mathemati... | 1,935 | 285 |
<MASK>
<UNMASK>
# Reliable ISBN-13 Validation
<MASK>
The nice thing about this approach is that to verify the ISBN, all that you need to do is generate the sum as outlined above (even digits *= 1, odd *= 3) for all 13 digits and then check to see if this is evenly divisible by 10. If it is, the ISBN is valid!
<MAS... | 3,048 | 286 |
<MASK>
<UNMASK>
<MASK>
### CHAPTER 6- Worked Out Examples
<MASK>
<UNMASK>
<MASK>
## Saturday, 2 August 2014
### CHAPTER 6- Worked Out Examples
<MASK>
<UNMASK>
tgt
## Saturday, 2 August 2014
### CHAPTER 6- Worked Out Examples
<MASK>
<UNMASK>
tgt
## Saturday, 2 August 2014
### CHAPTER 6- Worked Out Exam... | 1,812 | 287 |
Courses
<MASK>
Recall from Class IX that there are infinitely many solutions of each linear equation. So each of you choose any two values, which may not be the ones we have chosen. Can you guess why we have chosen x =O in the first equation and in the second equation? When one of the variables is zero, the equation ... | 7,751 | 288 |
<MASK>
Further we assume that the discount factor has polynomial character in (flatness). In this case we can rewrite the NPV as a polynomial:
<MASK>
## Conclusion
<MASK>
<UNMASK>
<MASK>
Further we assume that the discount factor has polynomial character in (flatness). In this case we can rewrite the NPV as a po... | 1,930 | 289 |
<MASK>
<UNMASK>
<MASK>
b and c are complementary. This means b + c = 90
And the question gives us a + b = 90
c = 90 - b
a = 90 - b
Hence, a = c.
I couldn't understand the 2nd question. Please make it clear and draw it.
<UNMASK>
# I don't understand
• Dec 10th 2007, 01:02 PM
♥CrAzY_KiD_4_LiFe♥
I don't understand
... | 738 | 290 |
<MASK>
<UNMASK>
<MASK>
Transcript
Example 11 (i) Two farmers Ramkishan and Gurcharan Singh cultivates only three varieties of rice namely Basmati, Permal and Naura. The sale (in Rupees) of these varieties of rice by both the farmers in the month of September and October are given by the following matrices A and B. ... | 4,563 | 291 |
<MASK>
Given Right Triangle Jkm, Which Correctly Describes The Locations Of The Sides In Relation To ∠J?. Given the right triangle, jkm describes the location of sides in relation to angle j. 4) a is adjacent, b is opposite, c is the hypotenuse.
Triangle j k m is shown. Given right triangle xyz, which correctly descr... | 2,089 | 292 |
<MASK>
<UNMASK>
<MASK>
(A) Zero (B) 1/2 (C) not defined (D) 1
<MASK>
<UNMASK>
# If P(A) = $\large \frac{1}{2}$ and P(B) = 0, then P$\large(\frac{A}{B})$ is?
(A) Zero (B) 1/2 (C) not defined (D) 1
<MASK>
<UNMASK>
# If P(A) = $\large \frac{1}{2}$ and P(B) = 0, then P$\large(\frac{A}{B})$ is?
(A) Zero (B) 1/2 (... | 240 | 293 |
<MASK>
Well, that's what we hope to show in this lesson: explain how we can use partial derivatives to find the path to minimize our cost function, and thus find our "best fit" regression line.
<MASK>
$\frac{df}{dx}(2x + 3y) = 2$ and $\frac{df}{dy}(2x + 3y) = 3$.
<MASK>
<UNMASK>
<MASK>
Well, that's what we hope ... | 4,798 | 294 |
<MASK>
38-m=22
<MASK>
m = 16
##### How does the Equation and Inequalities Calculator work?
Free Equation and Inequalities Calculator - Solves an equation or inequality with 1 unknown variable and no exponents as well as certain absolute value equations and inequalities such as |x|=c and |ax| = c where a and c are co... | 1,307 | 295 |
Thank you for your interest in NCTM’s Illuminations. Beginning in mid-April, all Illuminations content will be moving to nctm.org/illuminations. Interactives will remain openly available and NCTM members will have access to all Illuminations lessons with new filtering and search options. We hope you will continue to ... | 2,734 | 296 |
# When is a rectangle not a square and why?
## When is a rectangle not a square and why?
If they are of equal length, then THAT RECTANGLE IS A SQUARE. If the rectangle’s 2 pairs of parallel sides are not of equal length then THAT RECTANGLE IS NOT A SQUARE. So, to conclude: A RECTANGLE MAY OR MAY NOT BE A SQUARE, [ie,... | 2,718 | 297 |
<MASK>
<UNMASK>
<MASK>
I successfully defined such a function using a combination of the floor function, ceiling function, fractional part function and the signum function. It was pretty interesting for me.
Another time, I discovered a simple derivation for the quadratic formula and once, a derivation for the compou... | 1,806 | 298 |
<MASK>
<UNMASK>
Irrationality of Quadratic Sums Consider a sequence of unit fractions with integer denominators greater than 1. If each denominator is greater than or equal to the square of the preceding denominator, then we will say the sequence is "quadratic". For example, the sequence 1/3, 1/9, 1/81, 1/6561, 1/43... | 1,236 | 299 |