I gotdydx = x2 -2y 2y + dy =x2 dx y =.pdf
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I got dy/dx = x2 -2y 2y + dy =x2 dx y = x Solution After the step= -2y +2y = Taking L .C. M on left side, we get = dy +2ydx = dx dy = dx - 2ydx dy = ( -2y) dx Now integrating on both sides we get, = y = 2yx +c , where c is the constant of integration.
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I have a square which consists of i by i equally sized boxes for a t.pdf
I have a square which consists of i by i equally sized boxes for a total of N=i*i boxes. In how
many ways could I randomly throw n objects or particles into these N boxes? (where n < N and
only 1 object fits in each box)
Solution
C(N,n) =
N!/n!(N-n)!.
I have a test tomorrow for statistics and need to know the basic inf.pdf
I have a test tomorrow for statistics and need to know the basic information of how to work these
kinds of problems and anything else that will help me.
4. ANOVA
Solution
Anova is used to test more than 2 means in the different sample group.
For example,
Ho:1=2=3 (null hypothesis)
Ha:at least one mean is not equal. (alternative hypothesis).
I have a poker hand containing four of a kind. How many possible pok.pdf
I have a poker hand containing four of a kind. How many possible poker hands can be dealt?
Solution
13 types of cards possible hand needs 4 different types: 13*12*11*10 = answer;
each type you select means one less type to choose from, so that is why the numbers are 13, 12,
11, 10. I hope this helps!! :).
i have a question about mode,median, and mean i dont really unstand .pdf
i have a question about mode,median, and mean i dont really unstand them and i have a math test
torrow please help. i\'m tring to study but i dont understand it so how can i study
Solution
Mode is the number that appears the most...median is the number that is in the
middle and mean is all the numbers added up and divided by the number of numbers there are.
I have a homework problem that I do not know how to begin. I must ev.pdf
I have a homework problem that I do not know how to begin. I must evaluate integral (4/3x+7)
dx. I think u= 3x+7 but beyond that I am just lost. Would du = 4x? Please help.
Solution
yeah, u = 3x + 7 du = 3 dx then substitute it, int 4 dx / ( 3x + 7) = int 4 du / 3 u =
4/3 int du/u = 4/3 ln u = 4/3 ln ( 3x + 7) + C.
I have a couple questions for Diff Eq that need to be done on maple .pdf
I have a couple questions for Diff Eq that need to be done on maple and I have no clue on how to
use the program. Can you teach me the basics?
Solution
Maples are variously classified in a family of their own, the Aceraceae, or together
with the Hippocastanaceae included in the family Sapindaceae. Modern classifications, including
the Angiosperm Phylogeny Group system, favour inclusion in Sapindaceae. The type species of
the genus is Acer pseudoplatanus (Sycamore maple).[3] There are approximately 129 species,
most of which are native to Asia,[4] with a number also appearing in Europe, northern Africa,
and North America. Only one species, the poorly studied Acer laurinum, is native to the
Southern Hemisphere.[5] Fifty-four species of maples meet the International Union for
Conservation of Nature criteria for being under threat of extinction in their native habitat.[5] The
word Acer derives from a Latin word meaning \"sharp\" (compare \"acerbic\"), referring to the
characteristic points on maple leaves. It was first applied to the genus by the French botanist
Joseph Pitton de Tournefort in 1700. The earliest known fossil maple is Acer alaskense, from the
Latest Paleocene of Alaska. Horticulture A red maple tree between pine trees. Acer
palmatum (Japanese maple) has over 1,000 cultivars. This cultivar is A. palmatum \'Sango
kaku\', sometimes called \"coralbark maple\". Maples are planted as ornamental trees by
homeowners, businesses and municipalities. Acer platanoides (Norway maple) is especially
popular as it is fast-growing and extremely cold-resistant, though it is also an invasive species in
some regions. Other maples, especially smaller or more unusual species, are popular as specimen
trees.[3] [edit]Cultivars Numerous maple cultivars which have been selected for particular
characteristics can be propagated only by asexual reproduction such as cuttings, tissue culture,
budding or grafting. Acer palmatum (Japanese maple) alone has over 1,000 cultivars, most
selected in Japan, and many of them no longer propagated or not in cultivation in the Western
world. Some delicate cultivars are usually grown in pots and rarely reach heights of more than
50–100 cm. [edit]Bonsai Bonsai \"Roter Fächerahorn\" Maples are a popular choice for the art
of bonsai. Acer palmatum (Japanese maple), Acer buergerianum (Trident maple), Acer ginnala
(Amur maple), Acer campestre (Field maple) and Montpellier maple (A. monspessulanum) are
popular choices and respond well to techniques that encourage leaf reduction and ramification,
but most species can be used.[3][10] [edit]Collections Acer griseum is widely grown for its
decorative bark Maple collections, sometimes called aceretums, occupy space in many gardens
and arboreta around the world including the \"five great W\'s\" in England: Wakehurst Place
Garden, Westonbirt Arboretum, Windsor Great Park, Winkworth Arboretum and Wisley Garden.
In the United States, the aceretum at the Harvard-owned Arnold Arboretum in Bos.
I have a boss, Ralph Poore, who is the consummate Dr. Jekyll and Mr..pdf
I have a boss, Ralph Poore, who is the consummate Dr. Jekyll and Mr. Hyde. On some days,
Poore can be the nicest and
Solution
Roary`s style of Leadership is very harsh, it only demotivates the employees. We should listen to
others also. As we are human beings we can make errors, we cannot be always right. Poore shold
understand that others are also people. We should respect others. The thing which can be handle
calmly cannot handle with anger. Anger only makes the things difficult.
Roary leadership style is not good, it only creates fear in the mind of the others & not the respect.
We should be good human beings as well. There should be strictness sometimes & not all the
times. It only mess the things. He should understand others.
This style of leadership of poore might be appropriate when the workers dont listen to the boss &
they do whatever they want, When workers are not working for the benefit of the organisation
etc, Whean they are cheating the organisation, their boss etc. Being Cruel is not the solution for
every problem.
The first.
I have a few questions - 1. There are 25 people, and 12 clubs. If .pdf
I have a few questions -
1. There are 25 people, and 12 clubs. If a person can join at MOST one club and some may be in
no club. Some clubs will have more members than others. Not paying attention to who
SPECIFICALLY joins each club, how many different ways could the people join the clubs.
ex: club 1 has 2 people, club 2 has 1 person, club 3 has 4 people etc. or club 1 has 4, club 2 has
3... etc
2. A word is composed of 11 uppercase and 10 lowercase letters . The 11 uppercase letters are
grouped together in a block in the middle of the lowercase letters. How many anagrams can be
formed that have the uppercase block in any order in this same location?
THANKS in advance! An explanation would really be appreciated
Solution
1. Think about it in stages. There are 25 people we need to assign to clubs.
Therefore there are 25 stages. Each person can join (12) clubs or no club at all and therefore has
13 options. Person 1: 13 options Person 2: 13 options Person 3: 13 options You get the ideals
So there are 13^25 ways that the people can join the clubs. First think of how many ways you
can arrange the 11 uppercase letters. Stage 1: 11 options Stage 2: 10 options Stage 3: 9 options
because you are using 1 letter every time. So there are 11! ways to arrange the upper case letters.
But, that block can be rearranged within the lowercase letters. L L L L L L L L L L Assuming it
has to be between two of the lower case letters, there are 9 space. So there are 11! * 9 <.
Recommended
I have a square which consists of i by i equally sized boxes for a t.pdf
I have a square which consists of i by i equally sized boxes for a total of N=i*i boxes. In how
many ways could I randomly throw n objects or particles into these N boxes? (where n < N and
only 1 object fits in each box)
Solution
C(N,n) =
N!/n!(N-n)!.
I have a test tomorrow for statistics and need to know the basic inf.pdf
I have a test tomorrow for statistics and need to know the basic information of how to work these
kinds of problems and anything else that will help me.
4. ANOVA
Solution
Anova is used to test more than 2 means in the different sample group.
For example,
Ho:1=2=3 (null hypothesis)
Ha:at least one mean is not equal. (alternative hypothesis).
I have a poker hand containing four of a kind. How many possible pok.pdf
I have a poker hand containing four of a kind. How many possible poker hands can be dealt?
Solution
13 types of cards possible hand needs 4 different types: 13*12*11*10 = answer;
each type you select means one less type to choose from, so that is why the numbers are 13, 12,
11, 10. I hope this helps!! :).
i have a question about mode,median, and mean i dont really unstand .pdf
i have a question about mode,median, and mean i dont really unstand them and i have a math test
torrow please help. i\'m tring to study but i dont understand it so how can i study
Solution
Mode is the number that appears the most...median is the number that is in the
middle and mean is all the numbers added up and divided by the number of numbers there are.
I have a homework problem that I do not know how to begin. I must ev.pdf
I have a homework problem that I do not know how to begin. I must evaluate integral (4/3x+7)
dx. I think u= 3x+7 but beyond that I am just lost. Would du = 4x? Please help.
Solution
yeah, u = 3x + 7 du = 3 dx then substitute it, int 4 dx / ( 3x + 7) = int 4 du / 3 u =
4/3 int du/u = 4/3 ln u = 4/3 ln ( 3x + 7) + C.
I have a couple questions for Diff Eq that need to be done on maple .pdf
I have a couple questions for Diff Eq that need to be done on maple and I have no clue on how to
use the program. Can you teach me the basics?
Solution
Maples are variously classified in a family of their own, the Aceraceae, or together
with the Hippocastanaceae included in the family Sapindaceae. Modern classifications, including
the Angiosperm Phylogeny Group system, favour inclusion in Sapindaceae. The type species of
the genus is Acer pseudoplatanus (Sycamore maple).[3] There are approximately 129 species,
most of which are native to Asia,[4] with a number also appearing in Europe, northern Africa,
and North America. Only one species, the poorly studied Acer laurinum, is native to the
Southern Hemisphere.[5] Fifty-four species of maples meet the International Union for
Conservation of Nature criteria for being under threat of extinction in their native habitat.[5] The
word Acer derives from a Latin word meaning \"sharp\" (compare \"acerbic\"), referring to the
characteristic points on maple leaves. It was first applied to the genus by the French botanist
Joseph Pitton de Tournefort in 1700. The earliest known fossil maple is Acer alaskense, from the
Latest Paleocene of Alaska. Horticulture A red maple tree between pine trees. Acer
palmatum (Japanese maple) has over 1,000 cultivars. This cultivar is A. palmatum \'Sango
kaku\', sometimes called \"coralbark maple\". Maples are planted as ornamental trees by
homeowners, businesses and municipalities. Acer platanoides (Norway maple) is especially
popular as it is fast-growing and extremely cold-resistant, though it is also an invasive species in
some regions. Other maples, especially smaller or more unusual species, are popular as specimen
trees.[3] [edit]Cultivars Numerous maple cultivars which have been selected for particular
characteristics can be propagated only by asexual reproduction such as cuttings, tissue culture,
budding or grafting. Acer palmatum (Japanese maple) alone has over 1,000 cultivars, most
selected in Japan, and many of them no longer propagated or not in cultivation in the Western
world. Some delicate cultivars are usually grown in pots and rarely reach heights of more than
50–100 cm. [edit]Bonsai Bonsai \"Roter Fächerahorn\" Maples are a popular choice for the art
of bonsai. Acer palmatum (Japanese maple), Acer buergerianum (Trident maple), Acer ginnala
(Amur maple), Acer campestre (Field maple) and Montpellier maple (A. monspessulanum) are
popular choices and respond well to techniques that encourage leaf reduction and ramification,
but most species can be used.[3][10] [edit]Collections Acer griseum is widely grown for its
decorative bark Maple collections, sometimes called aceretums, occupy space in many gardens
and arboreta around the world including the \"five great W\'s\" in England: Wakehurst Place
Garden, Westonbirt Arboretum, Windsor Great Park, Winkworth Arboretum and Wisley Garden.
In the United States, the aceretum at the Harvard-owned Arnold Arboretum in Bos.
I have a boss, Ralph Poore, who is the consummate Dr. Jekyll and Mr..pdf
I have a boss, Ralph Poore, who is the consummate Dr. Jekyll and Mr. Hyde. On some days,
Poore can be the nicest and
Solution
Roary`s style of Leadership is very harsh, it only demotivates the employees. We should listen to
others also. As we are human beings we can make errors, we cannot be always right. Poore shold
understand that others are also people. We should respect others. The thing which can be handle
calmly cannot handle with anger. Anger only makes the things difficult.
Roary leadership style is not good, it only creates fear in the mind of the others & not the respect.
We should be good human beings as well. There should be strictness sometimes & not all the
times. It only mess the things. He should understand others.
This style of leadership of poore might be appropriate when the workers dont listen to the boss &
they do whatever they want, When workers are not working for the benefit of the organisation
etc, Whean they are cheating the organisation, their boss etc. Being Cruel is not the solution for
every problem.
The first.
I have a few questions - 1. There are 25 people, and 12 clubs. If .pdf
I have a few questions -
1. There are 25 people, and 12 clubs. If a person can join at MOST one club and some may be in
no club. Some clubs will have more members than others. Not paying attention to who
SPECIFICALLY joins each club, how many different ways could the people join the clubs.
ex: club 1 has 2 people, club 2 has 1 person, club 3 has 4 people etc. or club 1 has 4, club 2 has
3... etc
2. A word is composed of 11 uppercase and 10 lowercase letters . The 11 uppercase letters are
grouped together in a block in the middle of the lowercase letters. How many anagrams can be
formed that have the uppercase block in any order in this same location?
THANKS in advance! An explanation would really be appreciated
Solution
1. Think about it in stages. There are 25 people we need to assign to clubs.
Therefore there are 25 stages. Each person can join (12) clubs or no club at all and therefore has
13 options. Person 1: 13 options Person 2: 13 options Person 3: 13 options You get the ideals
So there are 13^25 ways that the people can join the clubs. First think of how many ways you
can arrange the 11 uppercase letters. Stage 1: 11 options Stage 2: 10 options Stage 3: 9 options
because you are using 1 letter every time. So there are 11! ways to arrange the upper case letters.
But, that block can be rearranged within the lowercase letters. L L L L L L L L L L Assuming it
has to be between two of the lower case letters, there are 9 space. So there are 11! * 9 <.
I had heard that, at the start of the Great Depression, JP Morgan an.pdf
I had heard that, at the start of the Great Depression, JP Morgan and other bankers attempted to
prevent the depression by purchasing some of the overpriced stock.
Did the actions of JP Morgan and the other bankers have any effect on the US economy at the
time? Were the effects of the Great Depression mitigated by their actions?
Solution
Not really. While it\'s possible that the Morgan intervention softened the initial stock market
decline, the vast majority of the ultimate collapse in securities prices, commodity prices,
industrial production, and the banking sector took place after the purchases had been liquidated.
First some history: the bankers\' pool intended to lift the stock market was assembled at the J.P.
Morgan & Co. offices on October 24, 1929, \"Black Thursday\", the initial day of market chaos.
They pooled their resources and directed broker Richard Whitney to place high bids on blue chip
stocks at the NYSE to lift the confidence of the markets. This stemmed the crash on Thursday
and led to a rally that continued the next two days. Indeed, the following Sunday\'s New York
Times lauded the \"carefully arranged\" plan to boost the market, and mentioned that the
inclusion of the First National Bank in the buyers\' pool the next day confirmed to Wall Street
that \"the danger of panic had been averted\". Some history of these events is provided in the
Wikipedia article on the crash.
Alas, the Monday and Tuesday immediately following this confident appraisal - October 28 and
29, 1929 - are known as Black Monday and Tuesday, respectively. They experienced the second
and fourth largest daily percentage DJIA declines in history, combining for easily the largest
two-day percentage decline in history. Most newspapers at the time described the bankers\' pool
as waiting to intervene until late Tuesday, when they cut margin requirements and placed buying
orders (see AP article). An AP article describing the crash on Monday opened with \"powerful
financial interests stepped aside today and let the stock market drop...\". Finally, on Wednesday
the bankers\' pool entered with strong buying orders, leading to the third highest daily percentage
DJIA increase in history. The next day the pool apparently stepped away from the markets once
more.
It kept going like this for a little while, with some more volatility in markets over the next few
weeks but eventual stabilization and partial recovery. Finally, the banking group quietly wrapped
up its activities in February 1930, with press accounts mentioning that it \"come out about
even\".
Given all this, it\'s possible that the bankers\' pool offered some initial stabilization of the
markets. (Although even that\'s not clear: from press accounts, it seems just as likely that
volatility was increased by the erratic day-to-day decisions of the pool.) But again, any
significant effect seems unlikely, because the vast majority of the carnage in the Great
Depression took place after the pool had been liquid.
i got this so far but when i put it in its showing that it is wrong .pdf
i got this so far but when i put it in its showing that it is wrong 3+ or -square root of -31/4
Solution
by using quadratic, x² - 3/4x = 5/2 + (- 3/4)² x² - 3/4x = (40 + 9)/16 (x - 3/4)² = 49//16
x - 3/4 = ± 7/4 = x - 3/4 - 7/4, = x - 10/4, = x - 5/2, = 2x - 5 = x - 3/4 + 7/4, = x + 4/4, = x + 1
Answer: x = 5/2, - 1; factors: (2x - 5)(x + 1).
I got 0 Limx rightarrow 0 + [lnx]sinxSolutionas lim x-0 we ha.pdf
I got 0 Limx rightarrow 0 + [lnx]sinx
Solution
as lim x->0 we have ln(0+) tends to negative infinity and sinx tends to zero
so we have *0 form
we multiply and divide by x
lim x->0 (xlnx)*(sinx/x)
we know as x->0+ sinx/x ->1
we need to determine where xlnx will go
limx->0+ xlnx = limx->0+(lnx/(1/x))
apply L-hospital rule = limx->0+ (1/x)/(-1/x^2) = limx->0+ -x
so it tends to 0
so product
limx->0+ ln(x) sinx = limx->0+ (xlnx)*(sinx/x) = 1*0 = 0
so yes you are correct.
I dont understand what I marked at the figure belowhow he know t.pdf
I don\'t understand what I marked at the figure below
how he know that 1/2 is subset from B and the same for -3
Solution
we know B is a set of all x which satisfy the equation 2x^2 + 7x + 2 = 3/x since 1/2
and -3 satisfy the above equation , we can say that 1/2 , -3 are the elements of B therefore every
element of A belongs to B hence, A is a subset of B.
I am working on the project using matrix transformations. All of a s.pdf
I am working on the project using matrix transformations. All of a sudden whenever I use the
ListPlot function, the graph it gives me only ranges from -1 to 1 on both axes. I can\'t figure out
how to change the properties. It was working fine before. Any suggestions?
Solution
Change this property where a and b are the intervals of x axis.
DataRange -> {a, b}.
I could use some help symbolizing these sentences, I have doubts abo.pdf
I could use some help symbolizing these sentences, I have doubts about my own answers. Any
help would be appreciated.
Let Fx-x is a female, Mx-x is a male, Sxy-x is sibling of y, Pxy-x is parent of y,
b-Britney,Mxy-x is the spouse of y,Lxy-x likes y,Lx-x is lard dip
1. Some grandfathers are not fathers.
2. Britney\'s niece likes lard dip.
3. Britney has no husband but does have two children.
Solution
1. False, a Grandfather would be (Ex)(Ey)(Ez)(Mx & Pxy & Pyz) and a Father would be
(Ex)(Ey)(Mx & Pxy). To be a grandfather and not a father: (Ex)(Ey)(Ez)(Mx & Pxy & Pyz &
~Pxy). It contradicts itself.
2. To be Britney\'s Neice: (Ex)(Ey)(Sbx & Pxy) and so (Ex)(Ey)(Sbx & Pxy & Lz & Lyz)
3. Britney has no husband : ~(Ex)(Mx & Mxb) and Britney has two kids: (Ey)Pby & (Ez)Pbz.
So, ~(Ex)(Mx & Mxb) & (Ey)Pby & (Ez)Pbz.
I claim I can double your investment in two years. What monthly rate.pdf
I claim I can double your investment in two years. What monthly rate of return am I advertising?
Solution
FV = PV (1+r/n)*n*m
where r= rate of interest
m= period, i.e = monthly =12
n =years = 2year
Let amount invested = X
2X = X(1+r/12)*24
2= (1+0.083333333)
1.0293 -1 = 0.0833
0.3517.
I cant understand how the es have disappeared. how did that ha.pdf
I can\'t understand how the \"e\"s have disappeared. how did that happen during this process?
I have indicated using a yellow box.
thank you. Please be detailed in your answers.
Solution
e^-lamda*e^+lamda Taking common e^(-lambda+lamda) =e^0 1.
I cant find tha answers of some questions in chapter 5 for Financi.pdf
I can\'t find tha answers of some questions in chapter 5 for Financial Accounting: Tools for
Business Decision Making 7th edition by Kimmel, Weygandt and Kieso:-
The question 13.
Also, Brief Exercises 3,4,and 10.
Exrcises 8, 10, and 11.
Problem Set A 2.
BYP 8.
Solution.
I can not tell figure out what the hypothesis is. I am so confused, .pdf
I can not tell figure out what the hypothesis is. I am so confused, please help.
Solution
hypothesisis a proposed explanation for a phenomenon.An hypothesis is a specific
statement of prediction. It describes in concrete (rather than theoretical) terms what you expect
will happen in your study.It is not proved to be correct..
I borrow $100 frrom the bank for one year at 6 simple interest. How.pdf
I borrow $100 frrom the bank for one year at 6% simple interest. How much do I end up aying
for the use of the money?
$100( 1 + (.06/12)^12 = $106.17 . What if the money is compounded continuously ?
Solution
A=100e^(0.06*12)=205.44.
I bought a box of candyfor myself last week. However, by the time I .pdf
I bought a box of candyfor myself last week. However, by the time I got home I had eaten1/4 of
the candies. As I was putting the groceries away, I ate 1/2of what was left. There are now 6
chocolates left in then box. Howmany chocolates were in the box to being with?
Solution
1/2 of what is equal to 6? answer 12.
next,
1/4 of what is 12 will give the final answer.
this is the same as:
1/4 of 16 = 12, so the answer is 16.
All of that is the same as:
2*6*4/3 = x (the 4/3 is the opposite of taking 1/4, since i\'mworking backwards..)
x=16
.
I appreciate any answer. Thank you. For each of the following descri.pdf
I appreciate any answer. Thank you. For each of the following description!) formulate a
mathematical model as a system of differential equations. In each case give a suitable
compartment diagram and define any parameters or symbols that you introduce that were not
mentioned as part of the question. Consider a model for the spread of a disease where lifelong
immunity is attained after catching the disease. The susceptibles are continuously vaccinated at a
per-capita rate mu against the disease. Develop differential equations for the number of
susceptibles S(t). the number of infectives I(t). the number vaccinated V(t) and the number
recovered. R(t). assuming all who recovered from the infection become immune for life. The
infectious disease Dengue fever is spread by infected mosquitoes that transmit the disease to
humans when they bite susceptible humans. Similarly, when a susceptible mosquito bites an
infected human the mosquito becomes infected Assume that humans cannot directly infect other
humans nor infected mosquitoes infect other mosquitoes. Let Sm(t) and Im(t) denote the number
of susceptible and infected mosquitoes respectively and let S h(t) and I h(t) denote the member of
susceptible and infected humans. Assume that there are no birth or deaths of humans over the
time-scale of interest but that there is a per-capita birth-rate of mosquitoes 6 and per-capita death
rate of mosquitoes of a. Also, assume that humans are infected for a period of gamma-1 and then
recover with immunity. Mosquitoes do not recover. (Note: typically gamma-1 is about. 2 weeks
for dengue fever).
Solution
The number of Vaccinated people (V(t)) is a simple one.
dV/dt = mu * S(t), where S(t) is the number of susceptable people.
A certain percentage of the people who need to be vaccinated are vaccinated every year, and this
will slow down as less people need to be vaccinated.
Susceptable people are decreasing over time, once you have been vaccinated, become sick, or
recover you are set for life.
S(t) = 1 - V(t) - R(t) - I(t)
The growth of the infective population depends on how infective the disease is, but it is also
dependant on how many people can be infected still. Let\'s say every infective person infects
beta percent of other vulnerable people, and they recover x days later.
dI/dt = [beta * I(t) * S(t)] - I(t-x)
The number of recovered people will follow the number of infective people but unlike infective
people they remain recovered
dR/dt = I(t-x)
All of these equations use a total population size of one, you are modelling the percentage of the
population that has fallen under these conditions. Eventually, the equations should reach these
final end conditions when t = infinity:
S(t) = 0, V(t) + R(t) = 1, and I(t) = 0.
Part two is just using these equations and applying them..
I am writing a program that implements the Optimal Binary Search Tre.pdf
I am writing a program that implements the Optimal Binary Search Tree in Java. I have a method
that computes the algorithm, but I am having a terrible time figuring out how to implement
building the actual tree. Below is pseudocode that I am working with in order to construct the
tree. If someone could please take a look at this pseudocode and help me translate it into Java I
woudl very much appreciate it!
Input: A set of keys k1,..., kn and a root table R
Output: The root node of the OBST
root <-- new root node
r.key <-- R1, n
S <-- empty stack
S.push(r,1,n) //In general, we push a node u, and indices i,j
While S is not empty DO{
(u,i,j) <-- S.pop
k <-- Ri,j
If k
Solution
public class OptimalBinarySearchTree
{
private int n;
private int[][] root; // table of roots of subtrees
public OptimalBinarySearchTree(double[] p, double[] q)
{
n = p.length - 1;
root = new int[n+1][n+1];
optimalBST(p, q, n);
}
public void optimalBST(double[] p, double[] q, int n)
{
// e[i][j] is the cost ofan optimal solution for keys ki to
// kj. The entries used are e[1..n+1][0..n], where j >= i-1.
double[][] e = new double[n+2][n+1];
// w[i][j] is the sum of probabilities p[i] through p[j] and
// q[i-1] through q[j]. The entries used are w[1..n+1][0..n],
// where j >= i-1.
double[][] w = new double[n+2][n+1];
for (int i = 1; i <= n + 1; i++) {
e[i][i-1] = q[i-1];
w[i][i-1] = q[i-1];
}
for (int l = 1; l <= n; l++) {
for (int i = 1; i <= n-l+1; i++) {
int j = i + l - 1;
e[i][j] = Double.POSITIVE_INFINITY;
w[i][j] = w[i][j-1] + p[j] + q[j];
for (int r = i; r <= j; r++) {
double t = e[i][r-1] + e[r+1][j] + w[i][j];
if (t < e[i][j]) {
e[i][j] = t;
root[i][j] = r;
}
}
}
}
}
/** Returns the value of n. */
public int getNumberOfKeys()
{
return n;
}
/** Returns the table of roots of subtrees. */
public int[][] getRootTable()
{
return root;
}
}.
I am studying for finals and I am having a rough time with this...pl.pdf
I am studying for finals and I am having a rough time with this...please help.
Find the domain, range, and vertical asymptote. Show all steps taken to find the answers.
f(x)=Inx-5
Solution
domain = (0, )
range = (-, +)
asymptote : x = 5 line.
I am stuck on how on how to even begin this one. Thanks )Soluti.pdf
I am stuck on how on how to even begin this one. Thanks :)
Solution
HOPE YOU MEAN NATURAL NUMBERS BY N .. TO PROVE THAT ANY
NON EMPTY SUB SET S OF NATURAL NUMBERS HAS A LEAST ELEMENT ..
THAT IS TO PROVE THAT ANY NON EMPTY SUB SET S OF NATURAL
NUMBERS CONTAINING NATURAL NUMBERS < M HAS A LEAST ELEMENT ..
FOR ALL M < = S 1. CHECK FOR N=1 THAT IS S HAS ONLY ONE ELEMENT.
I am working on a Supply Chain problem and I am struggling to find t.pdf
I am working on a Supply Chain problem and I am struggling to find the following:
Profit Margin
Asset Turnover
Cash to Cash (C2C)
Accounts Receivable Turnover (ART)
Inventory Turnover (INVT)
Property, plant, and equipment Turnover (PPET)
Please show work so I can follow! Year End January 31, 2013 ($ millions) Net Operating
Revenues Cost of Goods Sold Gross Profit Selling, General and administrative expense
Operating Income Interest Expense Other income (loss) net Income before income taxes ncome
taxes Net Income Walmart 469,162 352,488 1,166,745 88,873 27,801 2,251 187 25,737 7,981
17,756 Assets Cash and cash equivalents Net receivables Inventories Total current assets
Property, plant, and equipment Goodwill Other assets Total assets 7,781 6,768 43,803 59,940
116,681 20,497 5,987 203,105 Liabilities and Stockholder Equity Accounts payable Short-term
debt Total current liability Long-termm debt Total liabilities Stockholder equity 59,099 12,719
71,818 41,417 126,243 76,343
Solution
= Net income/net sales x100
=$17,756/$469,162 x 100
=3.78
=Net sales/Average total assets
=$469,162/$203,105
=2.31
= Cash + Cash equivalents/
=$7,781/$71,818=0.11
4.Accounts receivable turnover
=Net credit sales/Average accounts receivables
=$469,162/$6,768=69.32
5.Inventory Turnover
=Cost of Goods sold/Average inventory
=$352,488/$43,803
=8.05
6.Property ,Plant and equipment Turnover
=Net sales/ Net Property ,Plant and equipment
=$469,162/$116,681
=4.02.
I am working on a project for stats class. IIn a survery of 40 peo.pdf
I am working on a project for stats class. I
In a survery of 40 people 12 people thought stem cell research was not ethical. Find a 95 percent
confidence level with a 3 percent margin of error. please spell show how you came to answer on
calculaer. thank you
Solution
joannenova.com.au/.../lewandowsky-dismisses-bloggers-but-they-are-his...?.
I am not sure how to explain figure 1 part b Why do i get a positiv.pdf
I am not sure how to explain figure 1 part b? Why do i get a positive t value of 2.91 and when i
do it on the computer I get negative 2.912. ANy help on IV would be greatly appreciated .
Solution
the figure is not clear upload the figure only.
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Operation Blue Star - Saka Neela Tara
Operation “Blue Star” is the only event in the history of Independent India where the state went into war with its own people. Even after about 40 years it is not clear if it was culmination of states anger over people of the region, a political game of power or start of dictatorial chapter in the democratic setup.
The people of Punjab felt alienated from main stream due to denial of their just demands during a long democratic struggle since independence. As it happen all over the word, it led to militant struggle with great loss of lives of military, police and civilian personnel. Killing of Indira Gandhi and massacre of innocent Sikhs in Delhi and other India cities was also associated with this movement.
Chapter 3 - Islamic Banking Products and Services.pptx
Chapter 3 - Islamic Banking Products and Services.pptxMohd Adib Abd Muin, Senior Lecturer at Universiti Utara Malaysia
This slide is prepared for master's students (MIFB & MIBS) UUM. May it be useful to all.More Related Content
More from amiteksecurity
I had heard that, at the start of the Great Depression, JP Morgan an.pdf
I had heard that, at the start of the Great Depression, JP Morgan and other bankers attempted to
prevent the depression by purchasing some of the overpriced stock.
Did the actions of JP Morgan and the other bankers have any effect on the US economy at the
time? Were the effects of the Great Depression mitigated by their actions?
Solution
Not really. While it\'s possible that the Morgan intervention softened the initial stock market
decline, the vast majority of the ultimate collapse in securities prices, commodity prices,
industrial production, and the banking sector took place after the purchases had been liquidated.
First some history: the bankers\' pool intended to lift the stock market was assembled at the J.P.
Morgan & Co. offices on October 24, 1929, \"Black Thursday\", the initial day of market chaos.
They pooled their resources and directed broker Richard Whitney to place high bids on blue chip
stocks at the NYSE to lift the confidence of the markets. This stemmed the crash on Thursday
and led to a rally that continued the next two days. Indeed, the following Sunday\'s New York
Times lauded the \"carefully arranged\" plan to boost the market, and mentioned that the
inclusion of the First National Bank in the buyers\' pool the next day confirmed to Wall Street
that \"the danger of panic had been averted\". Some history of these events is provided in the
Wikipedia article on the crash.
Alas, the Monday and Tuesday immediately following this confident appraisal - October 28 and
29, 1929 - are known as Black Monday and Tuesday, respectively. They experienced the second
and fourth largest daily percentage DJIA declines in history, combining for easily the largest
two-day percentage decline in history. Most newspapers at the time described the bankers\' pool
as waiting to intervene until late Tuesday, when they cut margin requirements and placed buying
orders (see AP article). An AP article describing the crash on Monday opened with \"powerful
financial interests stepped aside today and let the stock market drop...\". Finally, on Wednesday
the bankers\' pool entered with strong buying orders, leading to the third highest daily percentage
DJIA increase in history. The next day the pool apparently stepped away from the markets once
more.
It kept going like this for a little while, with some more volatility in markets over the next few
weeks but eventual stabilization and partial recovery. Finally, the banking group quietly wrapped
up its activities in February 1930, with press accounts mentioning that it \"come out about
even\".
Given all this, it\'s possible that the bankers\' pool offered some initial stabilization of the
markets. (Although even that\'s not clear: from press accounts, it seems just as likely that
volatility was increased by the erratic day-to-day decisions of the pool.) But again, any
significant effect seems unlikely, because the vast majority of the carnage in the Great
Depression took place after the pool had been liquid.
i got this so far but when i put it in its showing that it is wrong .pdf
i got this so far but when i put it in its showing that it is wrong 3+ or -square root of -31/4
Solution
by using quadratic, x² - 3/4x = 5/2 + (- 3/4)² x² - 3/4x = (40 + 9)/16 (x - 3/4)² = 49//16
x - 3/4 = ± 7/4 = x - 3/4 - 7/4, = x - 10/4, = x - 5/2, = 2x - 5 = x - 3/4 + 7/4, = x + 4/4, = x + 1
Answer: x = 5/2, - 1; factors: (2x - 5)(x + 1).
I got 0 Limx rightarrow 0 + [lnx]sinxSolutionas lim x-0 we ha.pdf
I got 0 Limx rightarrow 0 + [lnx]sinx
Solution
as lim x->0 we have ln(0+) tends to negative infinity and sinx tends to zero
so we have *0 form
we multiply and divide by x
lim x->0 (xlnx)*(sinx/x)
we know as x->0+ sinx/x ->1
we need to determine where xlnx will go
limx->0+ xlnx = limx->0+(lnx/(1/x))
apply L-hospital rule = limx->0+ (1/x)/(-1/x^2) = limx->0+ -x
so it tends to 0
so product
limx->0+ ln(x) sinx = limx->0+ (xlnx)*(sinx/x) = 1*0 = 0
so yes you are correct.
I dont understand what I marked at the figure belowhow he know t.pdf
I don\'t understand what I marked at the figure below
how he know that 1/2 is subset from B and the same for -3
Solution
we know B is a set of all x which satisfy the equation 2x^2 + 7x + 2 = 3/x since 1/2
and -3 satisfy the above equation , we can say that 1/2 , -3 are the elements of B therefore every
element of A belongs to B hence, A is a subset of B.
I am working on the project using matrix transformations. All of a s.pdf
I am working on the project using matrix transformations. All of a sudden whenever I use the
ListPlot function, the graph it gives me only ranges from -1 to 1 on both axes. I can\'t figure out
how to change the properties. It was working fine before. Any suggestions?
Solution
Change this property where a and b are the intervals of x axis.
DataRange -> {a, b}.
I could use some help symbolizing these sentences, I have doubts abo.pdf
I could use some help symbolizing these sentences, I have doubts about my own answers. Any
help would be appreciated.
Let Fx-x is a female, Mx-x is a male, Sxy-x is sibling of y, Pxy-x is parent of y,
b-Britney,Mxy-x is the spouse of y,Lxy-x likes y,Lx-x is lard dip
1. Some grandfathers are not fathers.
2. Britney\'s niece likes lard dip.
3. Britney has no husband but does have two children.
Solution
1. False, a Grandfather would be (Ex)(Ey)(Ez)(Mx & Pxy & Pyz) and a Father would be
(Ex)(Ey)(Mx & Pxy). To be a grandfather and not a father: (Ex)(Ey)(Ez)(Mx & Pxy & Pyz &
~Pxy). It contradicts itself.
2. To be Britney\'s Neice: (Ex)(Ey)(Sbx & Pxy) and so (Ex)(Ey)(Sbx & Pxy & Lz & Lyz)
3. Britney has no husband : ~(Ex)(Mx & Mxb) and Britney has two kids: (Ey)Pby & (Ez)Pbz.
So, ~(Ex)(Mx & Mxb) & (Ey)Pby & (Ez)Pbz.
I claim I can double your investment in two years. What monthly rate.pdf
I claim I can double your investment in two years. What monthly rate of return am I advertising?
Solution
FV = PV (1+r/n)*n*m
where r= rate of interest
m= period, i.e = monthly =12
n =years = 2year
Let amount invested = X
2X = X(1+r/12)*24
2= (1+0.083333333)
1.0293 -1 = 0.0833
0.3517.
I cant understand how the es have disappeared. how did that ha.pdf
I can\'t understand how the \"e\"s have disappeared. how did that happen during this process?
I have indicated using a yellow box.
thank you. Please be detailed in your answers.
Solution
e^-lamda*e^+lamda Taking common e^(-lambda+lamda) =e^0 1.
I cant find tha answers of some questions in chapter 5 for Financi.pdf
I can\'t find tha answers of some questions in chapter 5 for Financial Accounting: Tools for
Business Decision Making 7th edition by Kimmel, Weygandt and Kieso:-
The question 13.
Also, Brief Exercises 3,4,and 10.
Exrcises 8, 10, and 11.
Problem Set A 2.
BYP 8.
Solution.
I can not tell figure out what the hypothesis is. I am so confused, .pdf
I can not tell figure out what the hypothesis is. I am so confused, please help.
Solution
hypothesisis a proposed explanation for a phenomenon.An hypothesis is a specific
statement of prediction. It describes in concrete (rather than theoretical) terms what you expect
will happen in your study.It is not proved to be correct..
I borrow $100 frrom the bank for one year at 6 simple interest. How.pdf
I borrow $100 frrom the bank for one year at 6% simple interest. How much do I end up aying
for the use of the money?
$100( 1 + (.06/12)^12 = $106.17 . What if the money is compounded continuously ?
Solution
A=100e^(0.06*12)=205.44.
I bought a box of candyfor myself last week. However, by the time I .pdf
I bought a box of candyfor myself last week. However, by the time I got home I had eaten1/4 of
the candies. As I was putting the groceries away, I ate 1/2of what was left. There are now 6
chocolates left in then box. Howmany chocolates were in the box to being with?
Solution
1/2 of what is equal to 6? answer 12.
next,
1/4 of what is 12 will give the final answer.
this is the same as:
1/4 of 16 = 12, so the answer is 16.
All of that is the same as:
2*6*4/3 = x (the 4/3 is the opposite of taking 1/4, since i\'mworking backwards..)
x=16
.
I appreciate any answer. Thank you. For each of the following descri.pdf
I appreciate any answer. Thank you. For each of the following description!) formulate a
mathematical model as a system of differential equations. In each case give a suitable
compartment diagram and define any parameters or symbols that you introduce that were not
mentioned as part of the question. Consider a model for the spread of a disease where lifelong
immunity is attained after catching the disease. The susceptibles are continuously vaccinated at a
per-capita rate mu against the disease. Develop differential equations for the number of
susceptibles S(t). the number of infectives I(t). the number vaccinated V(t) and the number
recovered. R(t). assuming all who recovered from the infection become immune for life. The
infectious disease Dengue fever is spread by infected mosquitoes that transmit the disease to
humans when they bite susceptible humans. Similarly, when a susceptible mosquito bites an
infected human the mosquito becomes infected Assume that humans cannot directly infect other
humans nor infected mosquitoes infect other mosquitoes. Let Sm(t) and Im(t) denote the number
of susceptible and infected mosquitoes respectively and let S h(t) and I h(t) denote the member of
susceptible and infected humans. Assume that there are no birth or deaths of humans over the
time-scale of interest but that there is a per-capita birth-rate of mosquitoes 6 and per-capita death
rate of mosquitoes of a. Also, assume that humans are infected for a period of gamma-1 and then
recover with immunity. Mosquitoes do not recover. (Note: typically gamma-1 is about. 2 weeks
for dengue fever).
Solution
The number of Vaccinated people (V(t)) is a simple one.
dV/dt = mu * S(t), where S(t) is the number of susceptable people.
A certain percentage of the people who need to be vaccinated are vaccinated every year, and this
will slow down as less people need to be vaccinated.
Susceptable people are decreasing over time, once you have been vaccinated, become sick, or
recover you are set for life.
S(t) = 1 - V(t) - R(t) - I(t)
The growth of the infective population depends on how infective the disease is, but it is also
dependant on how many people can be infected still. Let\'s say every infective person infects
beta percent of other vulnerable people, and they recover x days later.
dI/dt = [beta * I(t) * S(t)] - I(t-x)
The number of recovered people will follow the number of infective people but unlike infective
people they remain recovered
dR/dt = I(t-x)
All of these equations use a total population size of one, you are modelling the percentage of the
population that has fallen under these conditions. Eventually, the equations should reach these
final end conditions when t = infinity:
S(t) = 0, V(t) + R(t) = 1, and I(t) = 0.
Part two is just using these equations and applying them..
I am writing a program that implements the Optimal Binary Search Tre.pdf
I am writing a program that implements the Optimal Binary Search Tree in Java. I have a method
that computes the algorithm, but I am having a terrible time figuring out how to implement
building the actual tree. Below is pseudocode that I am working with in order to construct the
tree. If someone could please take a look at this pseudocode and help me translate it into Java I
woudl very much appreciate it!
Input: A set of keys k1,..., kn and a root table R
Output: The root node of the OBST
root <-- new root node
r.key <-- R1, n
S <-- empty stack
S.push(r,1,n) //In general, we push a node u, and indices i,j
While S is not empty DO{
(u,i,j) <-- S.pop
k <-- Ri,j
If k
Solution
public class OptimalBinarySearchTree
{
private int n;
private int[][] root; // table of roots of subtrees
public OptimalBinarySearchTree(double[] p, double[] q)
{
n = p.length - 1;
root = new int[n+1][n+1];
optimalBST(p, q, n);
}
public void optimalBST(double[] p, double[] q, int n)
{
// e[i][j] is the cost ofan optimal solution for keys ki to
// kj. The entries used are e[1..n+1][0..n], where j >= i-1.
double[][] e = new double[n+2][n+1];
// w[i][j] is the sum of probabilities p[i] through p[j] and
// q[i-1] through q[j]. The entries used are w[1..n+1][0..n],
// where j >= i-1.
double[][] w = new double[n+2][n+1];
for (int i = 1; i <= n + 1; i++) {
e[i][i-1] = q[i-1];
w[i][i-1] = q[i-1];
}
for (int l = 1; l <= n; l++) {
for (int i = 1; i <= n-l+1; i++) {
int j = i + l - 1;
e[i][j] = Double.POSITIVE_INFINITY;
w[i][j] = w[i][j-1] + p[j] + q[j];
for (int r = i; r <= j; r++) {
double t = e[i][r-1] + e[r+1][j] + w[i][j];
if (t < e[i][j]) {
e[i][j] = t;
root[i][j] = r;
}
}
}
}
}
/** Returns the value of n. */
public int getNumberOfKeys()
{
return n;
}
/** Returns the table of roots of subtrees. */
public int[][] getRootTable()
{
return root;
}
}.
I am studying for finals and I am having a rough time with this...pl.pdf
I am studying for finals and I am having a rough time with this...please help.
Find the domain, range, and vertical asymptote. Show all steps taken to find the answers.
f(x)=Inx-5
Solution
domain = (0, )
range = (-, +)
asymptote : x = 5 line.
I am stuck on how on how to even begin this one. Thanks )Soluti.pdf
I am stuck on how on how to even begin this one. Thanks :)
Solution
HOPE YOU MEAN NATURAL NUMBERS BY N .. TO PROVE THAT ANY
NON EMPTY SUB SET S OF NATURAL NUMBERS HAS A LEAST ELEMENT ..
THAT IS TO PROVE THAT ANY NON EMPTY SUB SET S OF NATURAL
NUMBERS CONTAINING NATURAL NUMBERS < M HAS A LEAST ELEMENT ..
FOR ALL M < = S 1. CHECK FOR N=1 THAT IS S HAS ONLY ONE ELEMENT.
I am working on a Supply Chain problem and I am struggling to find t.pdf
I am working on a Supply Chain problem and I am struggling to find the following:
Profit Margin
Asset Turnover
Cash to Cash (C2C)
Accounts Receivable Turnover (ART)
Inventory Turnover (INVT)
Property, plant, and equipment Turnover (PPET)
Please show work so I can follow! Year End January 31, 2013 ($ millions) Net Operating
Revenues Cost of Goods Sold Gross Profit Selling, General and administrative expense
Operating Income Interest Expense Other income (loss) net Income before income taxes ncome
taxes Net Income Walmart 469,162 352,488 1,166,745 88,873 27,801 2,251 187 25,737 7,981
17,756 Assets Cash and cash equivalents Net receivables Inventories Total current assets
Property, plant, and equipment Goodwill Other assets Total assets 7,781 6,768 43,803 59,940
116,681 20,497 5,987 203,105 Liabilities and Stockholder Equity Accounts payable Short-term
debt Total current liability Long-termm debt Total liabilities Stockholder equity 59,099 12,719
71,818 41,417 126,243 76,343
Solution
= Net income/net sales x100
=$17,756/$469,162 x 100
=3.78
=Net sales/Average total assets
=$469,162/$203,105
=2.31
= Cash + Cash equivalents/
=$7,781/$71,818=0.11
4.Accounts receivable turnover
=Net credit sales/Average accounts receivables
=$469,162/$6,768=69.32
5.Inventory Turnover
=Cost of Goods sold/Average inventory
=$352,488/$43,803
=8.05
6.Property ,Plant and equipment Turnover
=Net sales/ Net Property ,Plant and equipment
=$469,162/$116,681
=4.02.
I am working on a project for stats class. IIn a survery of 40 peo.pdf
I am working on a project for stats class. I
In a survery of 40 people 12 people thought stem cell research was not ethical. Find a 95 percent
confidence level with a 3 percent margin of error. please spell show how you came to answer on
calculaer. thank you
Solution
joannenova.com.au/.../lewandowsky-dismisses-bloggers-but-they-are-his...?.
I am not sure how to explain figure 1 part b Why do i get a positiv.pdf
I am not sure how to explain figure 1 part b? Why do i get a positive t value of 2.91 and when i
do it on the computer I get negative 2.912. ANy help on IV would be greatly appreciated .
Solution
the figure is not clear upload the figure only.
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Artificial Intelligence (AI) technologies such as Generative AI, Image Generators and Large Language Models have had a dramatic impact on teaching, learning and assessment over the past 18 months. The most immediate threat AI posed was to Academic Integrity with Higher Education Institutes (HEIs) focusing their efforts on combating the use of GenAI in assessment. Guidelines were developed for staff and students, policies put in place too. Innovative educators have forged paths in the use of Generative AI for teaching, learning and assessments leading to pockets of transformation springing up across HEIs, often with little or no top-down guidance, support or direction.
This Gasta posits a strategic approach to integrating AI into HEIs to prepare staff, students and the curriculum for an evolving world and workplace. We will highlight the advantages of working with these technologies beyond the realm of teaching, learning and assessment by considering prompt engineering skills, industry impact, curriculum changes, and the need for staff upskilling. In contrast, not engaging strategically with Generative AI poses risks, including falling behind peers, missed opportunities and failing to ensure our graduates remain employable. The rapid evolution of AI technologies necessitates a proactive and strategic approach if we are to remain relevant.
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