1. Statistics

    Fortune magazine publishes an annual issue containing info on Fortune 500 companies. The following data show the six states with the largest number of Fortune 500 companies as well as the number of companies headquartered in those states. State # of

    asked by Frank on January 18, 2007
  2. Physics- drwls please help

    Please tell me where I am going wrong. A 59.5 kg person, running horizontally with a velocity of +3.90 m/s, jumps onto a 12.2 kg sled that is initially at rest. (a) Ignoring the effects of friction during the collision, find the velocity of the sled and

    asked by Mary on March 3, 2007
  3. Chemistry

    S2O82-(aq) + 2I-(aq) ----------> 2SO42-(aq) + I2(aq) (I) Rate = k [S2O82-]x [I-]y Rate1 = k [S2O82-]x [I-]y ƒ´ [S2O82ƒ{] Rate = ƒ{ƒn ------------- ƒ´ƒnt Experiment data Experiment: 0.20M NaI,0.20M NaCl, 0.010M Na2S2O3,2% Starch,0.20M K2SO4, 0.20 M

    asked by Jude on March 8, 2011
  4. English IV

    Would this work for a thesis on Douglas Adams: Douglas Adams used Proto Science Fiction to write The Hitchhiker’s Guide to the Galaxy and uses satirical tone when discussing politics. welcome :) that's good you might want to be more spacific in what

    asked by Summer on July 6, 2007
  5. Spring stiffness

    A spring has stiffness of 100Nmm, the initial compression of the spring is 15mm, and it is then compressed to 65mm. a)Find potential energy at 15mm: K=100Nmm*1000=100000Nm Ep=Kc^2/2 Ep=(100000*0.015^2)/2 Ep=11.25 joule (ans.) b)Find Ep at 65mm:

    asked by Henri on April 22, 2009
  6. math

    This is the question and what I have so far is under it. "Given the length of a femur, f, in centimetres, a person’s height can be determined using the equation H=2.4f+61.4, where H is the height of the person in centimetres. Suppose this equation has a

    asked by Anonymous on September 16, 2014
  7. math

    will someone check my work please?A virus scanning program is checking every file for viruses. It has completed checking 40% of the files in 300 seconds. How long should it take to check all the files? 950 seconds Gasoline accounts for 85% of the motor

    asked by callie on September 30, 2009
  8. MATH

    Air pressure at sea level is 30 inches of mercury. At an altitude of h feet above the, air pressure, P, in inches of mercury, is given by, P =30e^(-3.23x10-5h) a)Find th equation of the tangent line at h=0. b)A rule of thumb is given by travelers is that

    asked by FARJANA on August 7, 2015
  9. Accounting

    Solve for trade accounts receivable, allowance for doubtful accounts, and prepare current assets section of balance sheet as of 12/31/04. Ending Balance Item - 12/31/03 - 12/31/04 Cash - $20,000 - $15,000 Trade accts rec - $40,000 - $??? Allowance for

    asked by carreena on August 5, 2006
  10. MODERN HISTORY/WORLD

    Here is my ANSWER for the first part of the question .please tell me what do you think of it? did i do it correctly? question: 1. As industry spread, the British government initiated reforms to improve workers’ lives. What motivated reforms in Britain?

    asked by Rachael Maggie on September 8, 2014
  11. physics

    In the sport of skeleton a participant jumps onto a sled (known as a skeleton) and proceeds to slide down an icy track, belly down and head first. In the 2010 Winter Olympics, the track had sixteen turns and dropped 126 m in elevation from top to bottom.

    asked by Anonymous on April 15, 2013
  12. physics

    In the sport of skeleton a participant jumps onto a sled (known as a skeleton) and proceeds to slide down an icy track, belly down and head first. In the 2010 Winter Olympics, the track had sixteen turns and dropped 126 m in elevation from top to bottom.

    asked by Anonymous on April 15, 2013
  13. ethical issues

    Has anyone read case study "Foreign Assignment". After the meeting with Sara, Tom Fried emailed you. In the email, he explained the situation and asked your advice. In your email reply back to Tom, address the following: What obligations do you feel the

    asked by cat on October 30, 2006
  14. someone explain to me!

    the third term of a geometric sequence is t3= -75 and the sixth term is t6=9375. determine the first term and the common ratio. how do I do this question I am tying really hard but I still don't comprehend this question! We have t3 = -75 and t6 = 9375. A

    asked by Andrew on October 18, 2006
  15. Gauss' Law!!!!!!!!!!

    Can any one help me for this problem? The cube in Figure 23-27 has edge length 1.40 m and is oriented as shown in a region of uniform electric field. Find the electric flux through the right face for the following electric fields, given in newtons per

    asked by Lauren on February 14, 2007
  16. french

    SraJMcGin, Im not sure what my instructions for my work means or what i am supposed to do. Donnez des ordres aux gens pour completer une tache (Come up with an imaginary task) en utilisant l'infinitif en forme de l'imperatif (VERBE QUI TERMINE EN -ER, -IR

    asked by Rose on July 15, 2015
  17. Math

    Machine A was able to finish copying a set of document in 36 minutes. Machine B was brought in to work together with machine A to finish copying the document in 20 minutes. How long would it take machine B to finish copying the document by itself

    asked by John on September 9, 2016
  18. accounting

    Jan.1 Beginning Inventory..300 units @ $3.00 Mar.5 Purchase..........… 900 units @ $4.00 Sept.3 Purchase...........… 1,000 units @ $5.00 Nov. 4 Purchase....… 500 units @ $7.00 During 2011, 1,000 units are sold at $10.00 each. Assume that the Periodic

    asked by Bill on November 3, 2010
  19. Physics

    A flat thin non-conducting ring has an inner radius R1 and an outer radius R2 . The disk is uniformly charged with charge per unit area σ(>0) . (a) What is the electric field at the center, P , of the ring? Express your answer in terms of the following

    asked by P on February 25, 2013
  20. Western Civilization

    I have five questions asked here. Feel free to answer just one of them, only, please use the numbering system I have set up here. Thanks so much! 1. Why do you think World War Two erupted so soon after World War One, which was supposed to have been “The

    asked by Jarrod on May 13, 2008
  21. English

    Need help with introduction: The Medieval Period began in 1066 and lasted until 1485. During this time period many literary works were produced. Many writers used their work to reflect the important events of that era. Most influential to literature of

    asked by Emily on July 11, 2008
  22. Chemistry

    A certain compound contains carbon, hydrogen , and oxygen. When 1.00 grams of this compound are burned in oxygen gas 1.47 grams of CO2 and 0.600 grams of water are formed. When 2.75 grams of the compound are dissolved in 10.0 grams of water the resulting

    asked by Patrick on January 16, 2011
  23. Chemistry

    A certain compound contains carbon, hydrogen , and oxygen. When 1.00 grams of this compound are burned in oxygen gas 1.47 grams of CO2 and 0.600 grams of water are formed. When 2.75 grams of the compound are dissolved in 10.0 grams of water the resulting

    asked by Patrick on January 16, 2011
  24. Math

    The question says using the formula P with a small n below it(Pn) Pn=PMT(1-(1+i)^-n/i) the full parenthesis is divided by the I just to be clear Pn=present amountborrowed n=number of monthly pay periods PMT=monthly payment i=interest rate per month A)

    asked by sara on March 10, 2019
  25. Algebra II

    Log6(6^9)=??? Answer: 9 Ine^-3x=??? Answer: -3x Use log5(2) = 0.4307 and log5(3) = 0.6826 to approximate the value of log5(12) Answer: log5(2) + log5(3)=log5(2^2*3) 2(0.4307) + 0.6826=1.544 so approximate value of log5(12)=1.544 I appreciate your checking

    asked by Lucy on March 29, 2008
  26. english - last

    7) Surrounded by mountains and 7,400 feet above sea level, Mexico City (A) suffers from both (B) kinds of air pollution, the photochemical reaction of Los Angeles (C) or the thermal inversion of New York. A) suffers from B) kinds of air pollution C) or D)

    asked by rose- Ms. sue on May 27, 2008
  27. 6th grade Math

    Your group has 12 red tiles and 18 blue tiles. Your job is to arrange the tiles in rows. You must use all the tiles, a row can only contain only blue or only red tiles, each row can only contain the same number of tiles, and the rows should be as long as

    asked by Jared on August 29, 2018
  28. Science

    Smithers thinks that a special juice will increase the productivity of workers. He creates two groups of 50 workers each and assigns each group the same task (in this case they are supposed to staple a set of papers). Group A is given the special juice to

    asked by Cheyenne on September 6, 2007
  29. prob & stat

    An academic department with five faculty members—Anderson, Box, Cox, Cramer, and Fisher—must select two of its members to serve on a personnel review committee. Because the work will be time-consuming, no one is anxious to serve, so it is decided that

    asked by jay on July 10, 2015
  30. Psychology

    What are some problems with the following research study and how can I improve them? A researcher is interested in testing whether violent films make people more aggressive (the hypothesis). He asks his research assistants to wait outside the Friday night

    asked by Leslie on February 25, 2011
  31. volume:ration

    A worm has a diameter of 2.4cm and its length is upto 1.9M. a)How do I calculate the surface area? b)How do I calculate the volume? c)How do I work out the volume ratio of the worm? Please help! Thanx kim xxx Surface area= PI*2*radius * length] Volume= PI

    asked by Kim on November 17, 2006
  32. Chemistry

    Iron (III) Oxide reacts with Aluminum to form Aluminum Oxide and Iron. If I have 255 g of Aluminum and unlimited Iron (III) oxide, how many grams of Iron will form? I am really not sure how to work with this. What does it mean when it says that the iron is

    asked by Erin on January 21, 2017
  33. Physics ( Calculus & Mecahnics )

    A proton with mass m moves in one dimension.The potential-energy function is where and are positive constants. The proton is released from rest a x0 = a/b. (a) Show that can be written as U(x) = a --- [ ( x0/x )^2 - x0/x ] x0^2 Graph U(x). Calculate U(x0)

    asked by Clark on January 23, 2011
  34. Finance

    You plan to open a retirement account. Your employer will match 50 percent of your deposits up to a limit on the match of $2500 per year. You believe the fund will earn 12 percent per year over the next 30 years, and you will make 30 deposits of $5000,

    asked by katie on February 23, 2013
  35. computer science

    Hey I have three questions with creating these methods, thanks. Write a Function You will be given one of the following problems to solve using and writing Java functions. 1. Given a list of words, return an array which indicates the frequency that each

    asked by Ben on May 28, 2010
  36. Geography

    All of the following are the result of the increase in large-scale, green revolution agriculture in the region, except: A. more than 2 million small farmers have been forced to sell their land in Brazil alone since 1985. B. there has been an increase in

    asked by Jake on October 12, 2017
  37. Excel

    I have my employee schedule in a excel sheet. It is a weekly schedule that doesn't change week by week, but changes day by day within a week. Every Monday, Tuesday, etc. is the same schedule. In the file are days for Monday, Tuesday, etc.. I don't know if

    asked by John on June 28, 2013
  38. physics

    1. The equilibrium constant for a certain system is 50 at 25 celsius. Calculate the free energy change 2. When the fee energy change: a) =0, the position of the equilibrium, temperature * change in entropy, free energy change at standard states

    asked by POPPY on April 8, 2019
  39. math

    1. You have recently found a location for your bakery and have begun implementing the first phases of your business plan. Your budget consists of an $80,000 loan from your family and a $38,250 small business loan. These loans must be repaid in full within

    asked by Jilly bean on October 14, 2009
  40. English12 (EssayCheck Part 2)

    I know I posted this but, I need suggestions on my essay. I'm going to break this into parts so it doesn't look so long make it easier. Please give me any feedback. I just want to know what you think about it. Don't worry about grammar errors for now. I

    asked by NeedHelp on December 3, 2011
  41. Latin

    1.'hic Danaos ad tecta ruentes 2.cernimus,obsessumque acta testudine limen. 3.haerent parietibus scalae;postesque sub ipsos 4.nituntur gradibus,clipeosque ad tela sinistris 5.protecti obiciunt,prensant fastigia dextris. 6.Dardanidae contra turres ac tecta

    asked by Anonymous on May 24, 2008
  42. physics

    1.when a person diet's is their goal to lose weight?explain. 2.a man enters an elevator holding 2 boxes one on top of the other the top box has a mass of 6.0kg,the bottom box has a mass of 8.0kg. the man sets the 2 boxes on a metric scale sitting on the

    asked by errol on June 17, 2014
  43. Astronomy

    Zodiac signs in alphabetical order with least to most characters. Is this right? Leo, Aries, Libra, Virgo, Cancer, Gemini, Pisces, Taurus, Scorpio, Aquarius, Capricorn, Sagittarius my work: Aquarius (8) Aries (5) Cancer (6) Capricorn (9) Gemini (6) Leo (3)

    asked by Beetriss on December 4, 2017
  44. Biology

    Grant’s DNA sample has a concentration of 45µg/mL, and he has 350µL of solution. Which of the following answers would allow him to run the proper amount of DNA on a quality control gel? A) He should dilute the sample 1:10 and load 10uL on the gel B) He

    asked by briana on November 29, 2017
  45. Math

    Use place value to solve please. Pablo has a piece of wire that is 0.08 meters long. Beth has a piece of wire that is ten times as long as Pablo's wire. Li's wire is 1/10 as long as Pablo's. How long is Beth's wire? How long is Li's wire? Beth has .80 and

    asked by Anonymous on September 8, 2015
  46. Health

    Please check 1. Which is a common viral disease? A. strep throat B. lyme *** C. tuberculosis D. common cold 2. which statement is about the flu? A. there is no cure B. there is usually a fever *** C. It typically lasts 3-7 days D. it spread by contact with

    asked by Anonymous on March 11, 2015
  47. physics

    A spring with a spring-constant 2.2 N/cm is compressed 28 cm and released. The 4 kg mass skids down the frictional incline of heigh 43 cm and inclined at a 22 degrees angle (g = 9.8 m/s^2) The path is frictionless except for a distance of 0.9 m along the

    asked by Mimi on October 6, 2010
  48. algebra

    Solve log 1/100 = log(10x + 2). Do you mean (log 1)/100 or log (1/100)? If the latter, then 1/100 = 10 x + 2 Take it from there

    asked by gloss on June 22, 2007
  49. algebra

    what is the square root of -2?\ how would you solve this equation: square root of -2(square root of -18) + square root of -25?

    asked by Anonymous on December 26, 2010
  50. Math

    The antibiotic ampicillin sodium has 2.9 mEq Na+ per gram. If you prepare an IV with 2 grams of ampicillin in 100 ml NaCl solution, how many milliequivalents of sodium are in the IV? (A) mEq Na+ in 2 g ampicillin sodium (B) mEq Na+ in 100 mL 0.9% NaCl (C)

    asked by Natasha on April 7, 2019
  51. calc: arc length

    find the exact length of this curve: y = ( x^3/6 ) + ( 1/2x ) 1/2

    asked by COFFEE on June 11, 2007
  52. maths linear eqautions

    i have a number of sweets in a bag. if i removed three of them and divided the number remaining by 4, i would have two fewer than if i removed 7 and divided the number remaining by 3. How many sweets do i have (N-3)/4 = (N-7)/3 +2 check my thinking. I see

    asked by fussiilat on September 14, 2006
  53. physics

    It has been said that sometimes lead bullets melt upon impact. Assume that a bullet with an initial temperature of 301 K receives 67.9 % of the work done on it by a wall on impact as an increase in internal energy. (The melting point of lead is 601 K, the

    asked by mehmet kaya on November 18, 2014
  54. Physics repost

    I apologise for reposting this question but it is still not working out for me. I know that: speed of light c=3.0x10^8 Time interval delta t=0.19x10^-9s The relationship between actual time and roudtrip distance is d=ct Also if there is and uncertainty of

    asked by Mary on October 17, 2007
  55. Valentin Frech

    need to know what a card with the picture of a boy hiding behind a heart might be. I got: Carte de _ _ _ H _ I _ _ I don't know what it is :( 1.) Dis a tes _ _ _ _ combien tu les amies. 2.) Ce qu'on ressent pour ses amis. 5.) On en envoie une a celui qu'on

    asked by Sammy on February 18, 2007
  56. math

    A map indicates that two cities are 160 miles apart. The scale of the map is 1/2 inch= 20 miles. 1. how many inches apart are the cities on the map. 2. Another map show the two cities has a scale of 3/4 inch =20 miles. How many inches apart are the two

    asked by alicia on January 27, 2013
  57. college-Intermediate Microeconomics

    The Lump Sum Principle In the 1980s Margaret Thatcher was the British Prime Minister. She was very popular and e ective until she pushed for the idea of a so called lump-sum tax. The lump-sum tax is one in which every citizen pays a single xed payment.

    asked by Derek on October 8, 2008
  58. science

    whats my height in meters? my height is 5'3" 63 inches x 2.54 cm/inch = 160.0 cm = 1.600 meters You learn to do these by dimensional analysis. We know there are 39.37 inches in 1 meter. First, convert your height to inches so we are dealing with one item

    asked by alejandra on September 9, 2006
  59. math, algebra

    can someone correct this for me. The pie that i'm using looks like this: it says that second day airfrieght is 40% next day airfrieght is 15% truck is 45% The problem says: If the company shipped a total of 550 items last month, how many were shipped using

    asked by jasmine20 on January 5, 2007
  60. math

    Highway engineers often use quadratic functions to model safe distance for cars. For example, f(x)= 1/2 x^2 + 4/5x is sometimes used to model the stopping distance for a car traveling at X miles per hour on dry, level pavement. If a driver can see only 200

    asked by jun gajetos on September 3, 2014
  61. Math

    You can register a pickup truck as a passenger vehicle if the truck is not used for commercial purposes and the weight of the truck with its contents does not exceed 8500 pounds. Your pickup truck weighs 4200 pounds. Write an inequality to represent the

    asked by Anonymous on March 22, 2017
  62. Economics

    You have opened your own word processing service. You have already bought a special computer needed for word processing and paid $5,000 for it. However, due to the cost changes in the computer industry, the current price of an equivalent machine is $2,500.

    asked by Damone on October 11, 2012
  63. Biology

    Animal cells can take up sucrose against its concentration gradient using a Na+/sucrose symporter. Indicate if the following statements are true or false. 1. In the Na+/sucrose symporter Na+ is also moving against its concentration gradient. False 2. For

    asked by Cady on September 29, 2011
  64. Calculus

    The ideas we are practicing in these exercises can be put to practical use. A calculus teacher's son likes to shoot arrows. He was wondering at what speed the arrow leaves the bow when it is released. So they went to a large deserted beach at the Great

    asked by Anonymous on February 2, 2011
  65. As physics

    Silver plating: A student attempts the process of silver plating to determine the mass of a silver atom. a series of objects are measured, then electroplated for a measure period of time, while maintaining a steady current through a solution of silver

    asked by cylinder on January 4, 2018
  66. Computers

    1. Which of the following study tools would work well for studying Vocabulary? A. making an outline B. summarizing the textbook C. flash cards*** D. comparing notes to the test 2. Which of the following is helpful when studying for a test? A. hanging out

    asked by Shimme on February 10, 2015
  67. Physics

    An green hoop with mass mh = 2.4 kg and radius Rh = 0.14 m hangs from a string that goes over a blue solid disk pulley with mass md = 2.2 kg and radius Rd = 0.1 m. The other end of the string is attached to a massless axel through the center of an orange

    asked by stewart on November 10, 2014
  68. Reggio Emilia Schools Question

    Dan is working on a project. He wants to build a tunnel for his cars. Dan cannot get the paper tubes to fit together and stay. In the Reggio Emilia school, his teacher will probably: 1.Ask Dan to explain his reasoning for selecting paper tubes to use for

    asked by Catherine on January 1, 2007
  69. disease

    Case Study..... Judy was 18 when the terrible crash happend. While judi was returning home from work, a driver ran a red light and smashed into the drivers side of judis car. she was unconcious when she arrived at the hospital. swelling in the brain

    asked by Arron on October 12, 2012
  70. space

    What is the force of gravity at 220 miles above Earth's surface? Calculate how much of a g force the astronauts are actually experiencing. The solution for this math problem is a percentage. You can calculate it using the Algebraic equation: gr = R2/r2 x g

    asked by Annie on January 21, 2010
  71. thesis

    Where is the thesis in this please help Bullies can be anywhere, but there's no place they show up more than in schools, and no time more than in September. Once the academic year starts, the complicated social hierarchy of a campus — popular kids, nerdy

    asked by Angel on September 15, 2015
  72. Ecomomics

    Hi, I need help with these four questions can anyone help me, it is for my economics class. 1)How does the economic (or rational decision-maker) approach to criminology work with or against other criminology theories? 2)Suppose we know that Frank has

    asked by Andy on October 18, 2007
  73. Economics

    Hi, I need help with these four questions can anyone help me, it is for my economics class. 1)How does the economic (or rational decision-maker) approach to criminology work with or against other criminology theories? 2)Suppose we know that Frank has

    asked by Andy on October 18, 2007
  74. Algebra II

    Taylor wants a used car, he would like for it to have a working air conditioner and less than 75,000 miles on it . Of the 200 cars ads he looked at, 60% have less than 75,000 miles. Of these low-mileage cars 65% had a working air conditioner. Of the cars

    asked by Sandy East Ward on May 25, 2016
  75. information

    where could find a good web site that would show me how to write a negative message to my boss Depending on the type of negative message you want to write microsoft has several templates available that can be used, and ammended to fit your needs. This

    asked by april on July 27, 2006
  76. sixth grade math

    Wendell is making punch for a party. The recipe he using says 4 cups pineapple juice, 8 cups orange juice, and 12 cups lemon lime juice to make 18 servings. A. If he makes 108 cups of punch, how many cups of each ingredient will he use? 27 cups pineapple

    asked by Stephon on November 4, 2014
  77. pre-algebra

    a woman jogging at 6 mph passes a man biking the in opposite direction at 12 mph. If they maintain there speed, how far from each other will they be 10 minutes after passing? I tried 12 divided by 10 + 6 divided by 10 = 1.8 but I am not sure if that answer

    asked by mason on September 8, 2006
  78. chemistry

    Bill finds an unusual object and wishes to calculate it's density. He discovers a problem of accurately weighing it, because it won't stay on the weighing pan. To solve this he adds the object to a beaker containing 190 mL of distilled water and finds the

    asked by abbey on September 7, 2009
  79. World History (England)

    Elizabeth I's relationship with Parliament demonstrated which of the following to other countries? a. A parliament can control a female absolute ruler. b. Good relations between a female absolute monarch and a parliament are not important.*** c. A female

    asked by Olivia N J on January 19, 2017
  80. statistics

    In response to the increasing weight of airline passengers, the Federal Aviation Administration in 2003 told airlines to assume that passengers average 190 pounds in the summer, including clothing and carry-on baggage. But passengers vary, and the FAA did

    asked by steve on February 17, 2010
  81. ecomonics

    I am trying to understand the math part of supply and demand . I am not getting it,I really need help! The question is: The demand and supply functions for sweatshirts are as follows: DEMAND Supply Quanity Quanity demanded(per period) supplied(/peri

    asked by elizabeth on November 5, 2008
  82. Social studies

    K so I need help! I have been stuck on this for a week and I am a bout ready to guess and hope I don’t fail! 1.Evaluate the impact of Manifest Destiny on the Mexican-American War to complete the following sentence. Many Americans supported declaring war

    asked by Ah on March 6, 2019
  83. Physics

    A heat engine using a monatomic gas follows the cycle shown in the pV diagram to the right. The gas starts out at point 1 with a volume of 233 cm3, a pressure of 235 kPa, and a temperature of 317 K. The gas is held at a constant volume while it is heated

    asked by Bob on April 22, 2019
  84. Calc I

    Find the range of y = (3x-1)/(2x^2 + x - 6) I was going to take the derivative of the numerator and denomenator and then use the quotent rule to find the derivative of the function and find the critical values but I ran into the imaginary number during the

    asked by Kate on July 25, 2010
  85. Chemistry

    1. Which of the following is one way to prevent the corrosion of iron? A. Paint exposed iron parts with protective paint. B. Protect the iron from polluted air. C. Add carbon to the iron. D. Let the iron develop a natural coat of carbonate. 2. The source

    asked by StarBuddy on October 3, 2013
  86. Chemistry- please check my work

    Compute the vapor pressure of water above a solution formed by dissolving 25.00 grams of magnesium sulfate, MgSO4 (MM=120.3) in 95.00 grams of water at 338K. The vapor pressure of pure water at 338K is 188.0 torr. I took 95.00g H20 divided by 18.0g. which

    asked by Eliz on February 23, 2009
  87. ELA

    WHAT TYPE OF WRITING IS THIS (pick on of these:cause&effect,compare&contrast,sequence,chronological order,problem&solution,descriptive) Volcanoes are a feared and destructive force for good reason. A volcano is like a pressure valve for the inner earth,

    asked by Caitlyn on March 14, 2016
  88. Calculus

    I don't know if I did these problems correctly. Can you check them? Use Integration by parts to solve problems. integral x^3(lnx)dx u=lnx dv=x^3dx du=1/x v=x^4/4 Answer:(x^3)(lnx)-(x^4/16) integral xcosxdx x cosx 1 sinx 0 -cosx Answer: xcosx+cosx integral

    asked by Anonymous on November 18, 2007
  89. math - loans

    if i have to pay back a loan of 10 million over the next 5 yrs. How much are my yearly payments if each subsequent payment is 15% less than the previous year? What is the interest rate? Zero? If there is zero interest rate on the remaining balance, and if

    asked by joe on March 2, 2007
  90. Chemistry

    Hi. I need some help with this. When you stretch a balloon against your lips, is heat given off or absorbed? Which driving force is dominating this change, the tendency toward lower energy or the tendency toward disorder? Heat is given off obviously but I

    asked by Lisa on January 28, 2007
  91. physics

    A rock is tossed straight up with a velocity of 37.1 m/s. When it returns, it falls into a hole 18.8 m deep. What is the rock's velocity as it hits the bottom of the hole? Responses The gain in kinetic energy equals the loss of potential energy. (1/2) M

    asked by Vishnu on October 8, 2008
  92. Math

    A bucket contains blue balls and yellow balls. the probability of removing two blue balls without replacement is 2/5 and he probability of removing three blue balls without replacement is 1/5. Why must there be two more blue balls then yellow balls? How

    asked by Helen on February 9, 2012
  93. Macroeconomics

    If it looks like a bank won't meet the Federal Reserve Bank's reserve requirement, normally it will first turn to the: A) other member banks and borrow at the federal funds rate. B) Fed and borrow at the discount rate. C) open market and borrow money

    asked by Steve An on June 7, 2010
  94. Health

    1. If you're aerobically fit, you can A. run a marathon without experiencing fatigue. B. quit your normal exercise routine without any negative effects. C. sustain a regular routine of exercise for 30-60 minutes with minimal fatigue. D. lift very heavy

    asked by Sarah on October 7, 2014
  95. Algebra

    The formula C = 5/9(F-32) can be used to convert Fahrenheit temperatures to Celsius temperatures. a. Gold is liquid for Celsius temperatures C such that 1063 degrees (less than or equal to) C < 2660 degrees. Find a comparable inequality for Fahrenheit

    asked by Isabella on January 27, 2009
  96. Chemistry

    I have a problem that has been driving me crazy trying to solve, and I was wondering if someone could help. The problem is this: "Given the reaction: CuSO4 + 4 NH3 ----> Cu(NH3)4SO4, if 10 grams of CuSO4 reacts with 30 grams of NH3, what is the theoretical

    asked by Josh on August 23, 2007
  97. Trig hep, please? Thank you!

    1. Find the exact value of sin(195(degrees)) 2. If cot2(delta)=5/12 with 0(

    asked by Michelle on August 17, 2013
  98. MICROECONOMICS

    Question One: Assume Susan has $80 to spend on candies and chips each week and both goods must be purchased whole units (no fraction). The price of candies is $8 each and chips is $20. CANDIES CHIPS # of cans Total Utility (TU) Marginal Utility (MU) MU/P

    asked by KERRY on March 8, 2016
  99. Trig (inverse functions)

    Problem: tan[arccsc(-5/3) + arctan(1/4)] My work: let arccsc(-5/3)=X and let arctan(1/4)=Y where -pi/2

    asked by Dennis on April 21, 2008
  100. Algebra 2

    D'Andre has decided that he needs to get more exercise, so he is building a running regimen for himself. He decides that, beginning on Sunday, he'll fun 10 feet. On each subsequent day he'll double the distance he ran the previous day. So he'll run 20 feet

    asked by Kenny on February 25, 2015

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