
probability
The PDF of exp(X) Let X be a random variable with PDF f_X. Find the PDF of the random variable Y=e^X for each of the following cases: For general f_X, when y>0, f_Y(y)= f_X(ln y)  y When f_X(x) = {1/3,0,if −2
asked by RVE on March 26, 2015 
Social Studies
1. At what point during the Revolution and Napoleonic period (between 1789 and 1815) do you think France became a nation? 2. What was the main event of the Revolution or Napoleonic period that you think made the people of France feel like they were a
asked by Anosha on November 10, 2016 
Statistics
A community of 100 homes constructed in 2009 contains 47 that used conventional construction. The reminder used Energy Star building standards. A real estate agent is going to show a client 5 homes. What is the probability that 3 were built using
asked by Jen on November 28, 2010 
Reading
I am reading this book called "The Last Book in the Universe" and I have to answer some questions and one of the questions asked : (chapter 2) What happened in the big times that changed the way people live? What do we call this phenomenon? Can you explain
asked by Sara on August 6, 2012 
2 questions really urgent
sorry i have 2 more questions: what happens when a contour line crosses a river: stays flat, bends upstream , stops why do contour lines never cross eachother: they each represent a different elevation, the map would be too confusing, you cant tell the
asked by Polly on March 19, 2013 
English
Using semicolons Colleen is a clever teacher;she is also an inspiring one. Her lectures are interesting; they are full of information. She has a college degree in history; world history is her specialty. She begins her classes by answering questions; she
asked by Anonymous on March 3, 2014 
Chemistry
When looking at a titration curve, I have to determine which is false and I have it narrowed down to two options: The initial starting point on the titration curve is where pH depends only on [HA]0 or The finial point on a titration curve the pH depends
asked by ramire2 on April 9, 2013 
Spanish1 help
Fill in the blank with the correct conjugation of the verb in parentheses. ¿(Trabajar) __________ tú por la tarde? When entering your answers for fill in the blank and essay questions, please be sure to use accent marks and/or correct punctuation to
asked by Darius on November 14, 2011 
Math 116
How do you write an inequality for this problem. You have a budget of $2.500.00 and you want to buy 30 tons of rock for $60.00 per ton. You also want to plant trees for $84.00 per tree. Write an inequality that illustrates this problem and solve the
asked by Janeen on October 28, 2009 
chemistry
are this 2 equations the same NIE? and if not how come? Write a net ionic equation for the reaction that occurs when aqueous solutions of ammonia and acetic acid are combined. Write a net ionic equation for the reaction that occurs when aqueous solutions
asked by savannah on November 17, 2011 
Math
The path of a satellite orbiting the earth causes it to pass directly over two tracking stations A and B, which are 35 mi apart. When the satellite is on one side of the two stations, the angles of elevation at A and B are measured to be 87.0° and 84.2°,
asked by Jennifer on June 22, 2016 
math
Suppose you deposit $600 in a savings account. The interest rate is 4% per year. Find the principal balance in the account after six years
asked by Anonymous on October 31, 2016 
math
find the three cuberoots of 8( cos 264 + jsin 264) and state which is the principal cuberoot. Show all three roots on an argand diagram.
asked by stella on July 29, 2013 
math
Suppose you deposit $600 in a savings account. The interest rate is 4% per year. Find the principal balance in the account after six years
asked by isaiah on October 31, 2016 
math
Ray Sugar's account Principal: $1,700 Rate: 9.5% compound Length of period: quarter Third quarter's interest: _________
asked by terry pierce on October 15, 2012 
Math
Shawn needs 190 liters of a solution that has a concentration of 18 g/ml for the manufacture of computer parts. Shawn has an unlimited supply of a solution with a concentration of 37 g/ml. Using the Formula C1*V1=C2*V2 answer the following
asked by Ashley on January 25, 2017 
Chemistry
1.) A vapor volume of 1.17 L forms when a sample of liquid CH3CN absorbs 1.00 KJ of heat at its normal boiling point (81.1 C and 1 atm). What is the heat of vaporization in KJ per moles of CH3CN? 2.) The vapor pressure of water at 25 C is 23.76 torr. If a
asked by joseph on February 15, 2010 
Chem
The following questions refer to the following system: A total of 30.0 mL of a .10M solution of a monophonic acid (Ka = 1.0 x 10 ^5) is titrated with .20M sodium hydroxide solution. 1) Before the titration begins, the pH of the solution is about A) 2 B) 5
asked by Charlie on April 6, 2014 
Biology
Pick the correct answer to the following question. Write a brief statement explaining why each choice of answers is correct or incorrect. In diabetes mellitus, because of insufficient insulin production, glucose cannot enter cells. instead it accumulates
asked by Talan on August 28, 2013 
Please help biol
Pick the correct answer to the following question. Write a brief statement explaining why each choice of answers is correct or incorrect. In diabetes mellitus, because of insufficient insulin production, glucose cannot enter cells. instead it accumulates
asked by Talan on August 29, 2013 
Chemistry
What is the total number of orbitals associated with the principal quantum number n = 5?
asked by Justyna on April 15, 2009 
Math
Each letter in the subtraction problem below represents a different digit from 0 through 9. The digits 3 and 5 do not appear in the problem. Replace each letter so that the answer to the subtraction problem is correct. GRAPE  PLUM ________ APPLE Why would
asked by Nathan on March 29, 2007 
Calculus
Hi there I am having some troubles trying to do my calculus homework and I really need help trying to do this problem from my homework: Set up the problem and do not solve: The mass of the solid bounded by the surfaces 2x^2 + 2y^2= 9, z=0, z=3 with density
asked by shylo on December 3, 2009 
Algebra
I have some understanding of this but not quite sure how to do the problem. Direction & problem below. Direction: Tell whether whole numbers, integers, or rational numbers are the most reasonable to describe each. Explain your answer. Problem: body
asked by David on August 21, 2010 
MLA citation
Which of the following statements is true about choosing sources? A. Books and articles written prior to the year 2000 are the most accurate. B. A person's opinion makes the best source when you hear it yourself. C. It's most important to determine whether
asked by Daniela on July 27, 2015 
? about this website
Yes. I have wondered this for a while. Can you guys tell what house or computer the questions come from? Well...not REALLY. But that doesn't mean other people can't. When you are online, your computer has an IP Address (Internet Provider Address). With
asked by GuruBlue on April 1, 2007 
Intro Biology
I can't find examples in the book as reference. Please help me with these questions and explain why. 1.) Which of the following has no vascular tissue (“plumbing system”)? A) Conifer B) Angiosperm C) Fern D) Moss E) Ginkgo 2.) Which of the following
asked by Andrew on November 25, 2014 
Philosophy
Here are a few questions, please check my answers below. 1. 1. Married men live longer than unmarried men. 2. Single men form the demographic with the highest longevity. What is the correct relationship between statements 1 and 2? Select one: a. 1 is
asked by Maya on February 6, 2017 
ENGLISH 11
where are you going my mother asked you know you have to tell me where you're going before you go out i'm going out i replied where my mother demanded i'm just going to hang out with some friends.i need to know exactly where you're going and who you're
asked by ERIC on October 29, 2007 
health and social
1.what is meant by health and wellbeing? 2. what is meant by a negative view of health and wellbeing?(two examples plz) 3. what is meant by a positive view of health and wellbeing ? (two examples plz) Actually, what you need to do is to post what YOU
asked by helen on October 8, 2006 
Ed Tech. HELP PLZ ASAP
1.How can you identify the values portrayed in a story? A.by reading old versions B.by reading descriptions C.by focusing on what the character**** thinks,say,and do D.by focusing on the setting of the story 4.Which of the following is true about hidden
asked by regan on October 27, 2015 
Math 150
an online quiz is made of 10 multiple choice questions. each question on the quiz has choices a,b, or c. how many different ways are there to complete the quiz answering all 10 questions.
asked by Anthony on November 13, 2012 
Spanish
Hi there, I need to answer a few questions and I want to make sure I wrote them out correctly. Can you please check my answers? 1. if you were president, what would be your most important decision Si yo fuera presidente, me gustaría bajar los impuestos 2.
asked by Jenny on October 31, 2015 
Physics!!!
When does a magnetic field induce maximum EMF in a wire moving with a constant velocity? A. When the wire is moved at an angle of 60 degrees to the direction of the magnetic field B. When the wire is moved at right angles to the magnetic field C, When the
asked by sophie on April 12, 2009 
physics
When does a magnetic field induce maximum EMF in a wire moving with a constant velocity? A. When the wire is moved at an angle of 60 degrees to the direction of the magnetic field B. When the wire is moved at right angles to the magnetic field C, When the
asked by sophie on April 12, 2009 
chemistry
The cell shown above is a concentration cell. Both cells contain a copper solution and have copper electrodes. The only driving force for this cell is the difference in the concentration of the copper solutions. The system will react to equalize the
asked by bekah on May 5, 2014 
MATH 115
I have math questions I need to check my answers can you please help me 1. 4x4x4x4x4 as a power of 4 answer 4 to the fifth power 2.a bedroom is 10 ft by 11 ft what is the perimeter? answer 42 ft evaluate 72/89/3=6 3.Jamal is fencing a rectangular field
asked by P on September 5, 2009 
English
1. What can robots do? They can do many things for us. 2. What does Albert Hubo like? He looks like a real person. 3. What can Albert Hubo do? He can walk, talk, laugh, cry, and shake hands. 4. Where does HiRobo work? He works at a car factory. 5. What can
asked by rfvv on June 2, 2012 
Maths! Check Answers
For questions 17–21, simplify the expression. 17. 7t4 • 7t4 49t8 14t4 49t16 14t8 18. –3(4x + 5) 7x + 15 7x – 15 –12x – 15 –12x + 15 19. 5k2(–6k2 – 2k + 6) –30k3 + 3k2 + 30k 30k4 – 10k3 + 11k2 –k4 + 3k3 + 11k2 –30k4 – 10k3 + 30k2
asked by Jman on May 15, 2013 
English
do these following sentences contain appositives? Most people, those of any age, enjoy music The core root of all the problems in the school, including uncleanliness of bathrooms and bad teachers, is the low budget given to the principal.
asked by A on November 25, 2014 
biology multiple choice
I am preparing my self for a biology exam and i am going through past papers. Unfortunately they do not supply us with the answers, which in one way is good.(since you have to actually work for your answers) All I am asking of you people is that you run
asked by alex on August 1, 2013 
business finance
value of outstanding bond changes whenever the going rate of interest changes in general short term interest rates are more volatile than long term interest rates. therefore short term bond prices are more sensitive to interest rate changes than are long
asked by soniya on April 9, 2010 
Physics
I was given a problem that has a triangle shape, which two sides should represent strings. The axial area that is rotating has an angle of 40 degrees. And it rotates by w (omega) = 1 Rad/Sec. I have to find tension of both the strings. How would I exactly
asked by Ailee on October 10, 2014 
AP Chem (Conceptual Questions)
Hey guys! If you could just please, look over a few of these conceptual problems because I'm pretty confused? (I put what I think is the answer below each question). Thank you for any help in advance!!!! A.Which statement *does not* apply to a
asked by Allie on November 1, 2015 
English 101
Read Harry Potter and the Sorcerer’s Stone by Roger Ebert and The Sorcerer’s Apprentice by Elvis Mitchell Q: One criterion for an effective evaluation is that the writer explains the criteria on which he or she bases the evaluation. In what ways does
asked by homework help please. on February 15, 2011 
stat
Which of the following statements is true about the tdistribution with k degrees of freedom? i. the tdistribution is symmetric ii. the tdistribution with k degrees of freedom has a smaller variance than the tdistribution with k+1 degrees of freedom
asked by Anonymous on May 2, 2007 
math
On a TV game show, a contestant makes $800 for every correct answer but loses $500 for every wrong answer. After answering 26 questions, Sarah broke even. How many questions did she answer correctly?
asked by Christina on November 16, 2012 
MATH
On a TV game show, a contestant makes $600 for every correct answer but loses $500 for every wrong answer. After answering 22 questions, Sarah broke even. How many questions did she answer correctly?
asked by TAYLOR on May 4, 2014 
Social Studies  Religion
Identify which of the following are key teachings of Judaism. Select all that apply. a.) Righteousness b.) Observe the Sabbath c.) Love your neighbor d.) Slavery is forbidden e.) Do not make war My answers  C, A, E If someone could tell me if my answers
asked by Lou on September 11, 2018 
enviromental studies
please could someone help me with my enviro homework im stuck on this question What the Green Revolution involved give 6 answers. ive put to improve the productivity of crops in LEDCs and to reduce famine. im not sure if these answers are right.
asked by davey on February 8, 2011 
Introduction to Graphic Design
Hello! Thanks for checking my question out! ____ 1. Which of the following are examples of applied art? Select all that apply. (2 points) a) architecture b) drawing c) industrial design d) sculpting My Answers: A and C Could someone please check my
asked by Da Fash on September 26, 2017 
Physics
If an object is hung from a cable with a weight of 40 N, what is the tension in the two cables? I got some answers, but it would be best if I knew if I was doing the problems correctly before I do the rest of the worksheet. I did a bunch of work, but it's
asked by Katie on December 2, 2009 
English
Please check this paragraph The title is the first clue that this will be a tall tale. But Lucian’s fantasy explores not only outer space, but also the Elysian Fields, the geography of the Odyssey, and the interior of a giant whale. The title is opposite
asked by Shamaila on September 16, 2010 
English
1. He can not solve the math problem. 2. He cannot solve the math problem. 3. He can't solve the math problem. 4. He could not solve the math problem. 5. He couldnot solve the math problem. 6. He couldn't solve the math problem. (Are they all grammatical?
asked by rfvv on July 16, 2013 
Science (Chemistry)
The question: Balance each of the following skeletal equations by using oxidation and reduction half reactions. All the reactions take place in acidic solution. Identify the oxidizing agent and reducing agent in each reaction. a) Cl[sub]2[/sub] (g) +
asked by Jo on February 11, 2007 
Biology
I need help with a couple of questions. I have included what I think the answers are. Could you let me know how I did? 1 A woman who recently came home from a tropical vacation now has abdominal pain and diarrhea. Her blood test results show an elevated
asked by BB on September 8, 2010 
Algebra
Find all positive values for k for which each of the following can be factored. X^2xk (Your answer seems to be the same as the other problem x^2+xk ) Is this correct too? Consider your equation to be in the form ax^2 + bx = c = 0. It can be factored
asked by Scott on July 23, 2007 
Criminal Justice  Ethics
Which of the following concepts best captures the utilitarian notion that each person's welfare is equally important and, thus, that no one person's happiness should be regarded as more important than any other person's? A. Fecundity B. Psychological
asked by Erica on May 4, 2014 
ashworth
Which of the following concepts best captures the utilitarian notion that each person’s welfare is equally important and, thus, that no one person’s happiness should be regarded as more important than any other person’s? A. Fecundity B. Psychological
asked by Anonymous on February 18, 2016 
elem alg
On a certain test, the student gets 3 points for each correct answer and loses 2 points for each incorrect answer. The test has 37 questions total. (no question can be lfet blank.) If x is the number of answers a students gets correct, write and express
asked by Vera on March 10, 2011 
Social Studies
Please review the question and my answer. Thank you tutors. Q: What did AGENTS do for the sugar plantations? My answer: Agents took over the sugar plantations. If there is more than that for the answer that I gave, then please tell. Thank you tutors. I
asked by anon on December 12, 2015 
Physics
Please help me... :( There is a moving bowling ball on the track. A student says, "After the ball is thrown horizontally on the wooden track with horizontal velocity v and zero angular velocity, the translational kinetic energy of the ball remains
asked by Eddy on April 18, 2010 
english
when writing, can a claim be true or false depending on the context of the paper? Yes, if that paper is the authority of truth for the claim. It depends on what you're claiming. If you are writing an argument, the claim needs to be supportable on either
asked by trae on March 7, 2007 
physics
When 1180 J of heat are added to one mole of an ideal monatomic gas, its temperature increases from 272 to 292 K. Find the work done by the gas during this process. I know the specific heat is Q/delta T, so C = (1180 J)/(20K) = 59. This seems like any easy
asked by tmaria on June 22, 2007 
Language Arts
Hi, two questions What is the proposition in this sentece? The post office left a note on the door. a) left b)note c)on d)door what is the prepositional phrase in the sentence? The dogs were near the door a) the dogs b)the door c)near the door d) the dogs
asked by Anonymous on May 23, 2016 
Math33333
Please help me! Problem: x+2 x3 _________  _________ 2x^2+5x+2 2x^25x3 *Simplify the expression 2x^2+5x+2 =(x+2)(2x+1) 2x^25x3 =(2x+1)(x3) So x+2/(x+2)(2x+1) = 1/2x+1 x3/(2x+1)(x3) = 1/2x+1 Finally 1/2x+1  1/2x+1 = 0 Let's take a look at the
asked by Margie on March 3, 2007 
MATH
EACH LETTER IN EACH ADDITION PROBLEM STANDS FOR A NUMBER BETWEEN 0 AND 9.NO TWO LETTERS STAND FOR THE SAME NUMBER IN EACH QUESTION. FIND THE VALUE FOR EACH LETTER.FOR EACH PROBLEM, USE THE NUMBERS IN THE BOX NEXT TO THE PROBLEM. T E N (5,6,1,2,7) + O N
asked by ALEX on June 1, 2016 
Math Quadratic Equations
1. Which of the following conclusions is true about the statement below ? x^2 = square root x A. The statement is never true. B. The statement is true when x = 0. C. The statement is true when x is negative. D. The statement is always true. My answer is c.
asked by Queta on September 8, 2013 
Chemistry (Check)
Classify each of these statements as always true, sometimes true, or never true 1)___AT_____A mole of a pure substance contains 6.02 X 1023 atoms. 2)____ST____The representative particle of a compound is the molecule. 3)___NT_____A mole of CCl4 is composed
asked by bryan on February 6, 2007 
algebra
solve by substitution 5x2y = 5 y  5x = 3 could someone take a min a show me how to do this problem by steps so i can do the rest of my problems and wait a min so i may ask questions. I m failing my algebra class and desparately need help. 5x2y = 5 y 
asked by Tammy Evert on August 10, 2006 
english
arbor day words to unscramble herlets degeslin Please note that we don't do students' homework for them. Our tutors try to give you the information to help you complete your assignment on your own. Try these: http://www.ssynth.co.uk/~gay/anagram.html
asked by joe on April 30, 2007 
english
After reviewing the lecture and suggested readings for this week, you have probably picked up several useful tools for stress management. Not only can you use these tools to help you choose better ways to react to situations, but you can also help others
asked by rita on March 2, 2011 
English
1. After getting married, what did the master do?  He moved into a bigger house. 2. What is the master going to do for Chuchu?  He is going to take care of the pet. 3. When did the master lose Chuchu?  He lost Chuchu when they went out for a walk. 4.
asked by rfvv on June 13, 2016 
geometry
I have a few questions about finding the area. I don't know how to link images on here, so I will just try my best to describe the shapes. First question: What is the area of the figure below? It is a parallelogram connected to a triangle. The spotted line
asked by Gina on May 4, 2016 
Maths
I got 30% on a 10problem test, 70% on a 20problem test and 80% on a 30problem test. If the three tests are combined in one 60problem test what percentage is my overall score?
asked by Amy on November 17, 2016 
Physics
agent dave, flying a constant 215 km/hr horizontally in a low  flying helicopter wants to drop a small explosive onto a master criminal automobile travelling 155km/hr on a level highway 78m below. At what angle (with the horizontal) should the car be in
asked by Jill on October 22, 2013 
physics
In the following situations identify the agent exerting the force and the object on which it acts .State the effect and kind of force in each case. a>Falling of rain drops. b>A horse pulling a cart. c>A car coming to rest once its engine is switched off.
asked by deepti on June 18, 2015 
Physics
agent dave, flying a constant 215 km/hr horizontally in a low  flying helicopter wants to drop a small explosive onto a master criminal automobile travelling 155km/hr on a level highway 78m below. At what angle (with the horizontal) should the car be in
asked by Jill on October 22, 2013 
CALCULUS. Check my answers, please! :)
The domain of f(x)=(1)/(sqrt(x^26x7)) is (1, 7) [1, 7] x > 1 or x < 7 ***{x < 1}U{x > 7} (∞, 1]U[7, ∞) 2. In which of the following is y a function of x? I. y^2=9x^2 II. y=x III. y=(sqrt(x^2))^3 I only II only III only ***I and III only I, II
asked by Samantha on October 5, 2013 
English
Hello. Please help me with a few lexical questions. 1)Is it possible to use "spot" in the following context: "the scandal spotted his political reputation"? 2) Is it possible to say "Hosni Mubarak was a)discharged b)dismissed c) dismissed from power"
asked by Ilma on May 3, 2011 
physics
A quantity of an ideal gas is compressed to half" its initial volume. The process may be adiabatic, isothermal or isobaric. Rank those three processes in order of the work required of an external agent, least to greatest. doesn't adiabatic mean no work, so
asked by jane on June 23, 2009 
Chemistry
When hot and concentrated, sulfuric acid is a fairly strong oxidizing agent. Write a balanced net ionic equation for the oxidation of metallic copper to Cu(II) ion by hot concentrated H2SO4, in which the sulfur is reduced to SO2.
asked by Jen on June 30, 2011 
physics repost
A quantity of an ideal gas is compressed to half" its initial volume. The process may be adiabatic, isothermal or isobaric. Rank those three processes in order of the work required of an external agent, least to greatest. doesn't adiabatic mean no work, so
asked by jane on June 23, 2009 
physics
A quantity of an ideal gas is compressed to half" its initial volume. The process may be adiabatic, isothermal or isobaric. Rank those three processes in order of the work required of an external agent, least to greatest. doesn't adiabatic mean no work, so
asked by jane on June 23, 2009 
algebra
you give me the answer but didn't really tell me how you did it so i can figure how to find the other numbers giving. also was just respneding that the problem was true as you said it made nosense. evaluate each function for the value specified. evaluate
asked by clueless on May 18, 2007 
math
The table shows the depth (d metres) of water in a harbour at certain times (t hours) after midnight on a particular day. time t (hours) 0 1 2 3 4 5 6 7 8 9 10 11 12 13 and the in the next column corresponding to the figures above is depth d (m) 3.0 3.3
asked by grant on May 12, 2007 
statistics
1. How do the 3rd grade boys’ weight in Principal Ben’s school compare to the national average (mean weight = 90, sd =15)? Provide the IV, DV, and best method of analysis
asked by jackie on July 25, 2012 
algebra
a loan of 22,823 was repaid at the end of 12 months. What size repayment check (principal and interest) was written , if a 10.7 % annual rate of interest?
asked by beth on October 23, 2011 
math
find the montly payment needed to amortize principal and interest for a 130000 fixed rate mortgage with a 10.5% rate and a 30 year term
asked by kuku on July 19, 2014 
algebra
a loan of 22,823 was repaid at the end of 12 months. What size repayment check (principal and interest) was written , if a 10.7 % annual rate of interest?
asked by beechst on October 23, 2011 
Statistics
How do the 3rd grade boys’ weight in Principal Ben’s school compare to the national average (mean weight = 90, sd =15)? Provide the IV, DV, and best method of analysis
asked by Anonymous on March 23, 2016 
math
This question says to graph the linear function.y=1\3x4. What would the graph look like? Thank you Reiny but they put me in this class and I can not figure out what to do. When I am for help they are always to busy to help me my mom when talked with the
asked by blue on April 26, 2015 
Statistics
How do the 3rd grade boys’ weight in Principal Ben’s school compare to the national average (mean weight = 90, sd =15)? Provide the IV, DV, and best method of analysis.
asked by Joseph on November 14, 2013 
Math: Compounded Interest
A principal of $200 is invested at 5% interest rate annually. Determine the future value in 3 months' time if compounded: (a) Semiannually (b) Quarterly
asked by Aurora on June 25, 2015 
algebra 1
formula A=P(1+r)^t An account earning interest at a rate of 4% has a principal of $500,000. If no more deposits or withdrawals are made, about how much money will be in the account after five years?
asked by josh on January 5, 2012 
Math
Find the number of years needed to realize a total interest of $5000 if the principal saved is 10000 at a simple interest rate of 10%
asked by Anonymous on December 27, 2016 
tax accounting
to create a 10 yr term bond schedule with semi annual payments (principal is $10 million); stated interest rate is 8% and market rate is 6%how would you do it
asked by M.white on July 17, 2012 
precalc
A is accumulated amount investing after p principal for t years at and interest rate of r compounded anually k is times per year. P=$1500, r= 7%, t=6 P=1500, r=7%,t=5,k=4 P=$1250, r=5.4%,t=6
asked by kevin on June 12, 2011 
math
decide on a topic for which they would like to collect data and design a survey for school which could really be used to convince the principal to do. ex.fundraising,school uniforms These examples are already used by other classmates
asked by Jaskuine on November 18, 2012