1. Economics

    I have to draw some Supply/demand curves and I want to know if they are right Personal computers: more user-friendly software become available and the costs of inputs are reduced. Supply moves to the right, demand moves to the left, quantity goes up and so

    asked by Britt on February 11, 2008
  2. Engineering skill

    anybody here to give me notes to solve this question (A and B are two points on a pipe of diameter 600 mm. the grid reference for the two points are given in the below , together with the elevation of the top of the pipe at these points. A drain pipe is

    asked by Bedar on May 10, 2014
  3. HELP!

    What caused states to demand a constitutional Convention and explain why? What three issues caused the most conflict during the Constitutional Convention and why? How did the COnstitutional delegates solve these problems? Plese tell me good site and teach

    asked by cc on October 19, 2006
  4. Pre-Calc

    Trigonometric Identities Prove: (tanx + secx -1)/(tanx - secx + 1)= tanx + secx My work so far: (sinx/cosx + 1/cosx + cosx/cosx)/(sinx/cos x - 1/cosx + cosx/cosx)= tanx + cosx (just working on the left side) ((sinx + 1 - cosx)/cosx)/((sinx - 1 +

    asked by Dave on January 2, 2007
  5. English

    A food chain is part of a bigger system called a food web. That web links the living things in an ecosystem. The herbivores in that system depend on the plants. If the plants are removed, the herbivores cannot survive. Then the carnivores, the animals that

    asked by Zhana on February 23, 2015
  6. Maths

    The number of Australians who are registered organ donors when they die (A) is increasing exponentially according to the formula A=A0(0 in subscript)e^kt, where t is the number of year since 2006. In the 12 months before the beginning of 2006, 202

    asked by Jeremey on August 29, 2009
  7. History

    Dix also joined a growing movement to improve conditions in prisons. Men, women, and children were often crammed together in cold, damp rooms. When food supplies were low, prisoners went hungry—unless they had money to buy meals from jailers. Five out of

    asked by Anonymous on November 26, 2018
  8. U.S.History

    this is the question: How did the invention of the cotton gin change the economy of the South and the Norht? please tell me if this is a good enought answer, if i need to add anything: The cotton gin was a new machine by Eli Whitney that separates the

    asked by y912f on February 2, 2009
  9. Algebra

    To estimate animal populations, biologists count the total number of animals in a small section of a habitat. The total population of animals is directly proportional to the size of the habitat (in acres) polled. Write an equation using only one variable

    asked by Jack on April 8, 2008
  10. Math- Algebra

    To estimate animal populations, biologists count the total number of animals in a small section of a habitat. The total population of animals is directly proportional to the size of the habitat (in acres) polled. a.Write an equation using only one variable

    asked by Micah on January 21, 2008
  11. Algebra

    To estimate animal populations, biologists count the total number of animals in a small section of a habitat. The total population of animals is directly proportional to the size of the habitat (in acres) polled. a.Write an equation using only one variable

    asked by Micah on January 21, 2008
  12. science(chemistry)

    I have a question about solvent evaporation. If I had an organic layer and an aqueous layer in an unknown mixture of liquids and wanted to obtain the solid of a compound(s) dissolved in the layers, is it reasonable to assume that I can run the compound in

    asked by ~christina~ on April 17, 2009
  13. Algebra

    3.To estimate animal populations, biologists count the total number of animals in a small section of a habitat. The total population of animals is directly proportional to the size of the habitat (in acres) polled. a.Write an equation using only one

    asked by NA on March 18, 2009
  14. Algebra

    To estimate animal populations, biologists count the total number of animals in a small section of a habitat. The total population of animals is directly proportional to the size of the habitat (in acres) polled. a. Write an equation using only one

    asked by Micah on January 21, 2008
  15. Algebra

    3. To estimate animal populations, biologists count the total number of animals in a small section of a habitat. The total population of animals is directly proportional to the size of the habitat (in acres) polled. a. Write an equation using only one

    asked by Anonymous on March 17, 2009
  16. Economics

    1. Why is a high level of subsistence agriculture a characteristic of less developed countries? B. It shows that the country uses less energy. C. It means that more people are unemployed or underemployed. D. It means that there are fewer workers available

    asked by Anonymous on June 8, 2012
  17. Chemistry

    A syrup is added to an empty container with a mass of 104.70 g . When 0.140 pint of syrup is added, the total mass of the container and syrup is 150.01 g . (1 qt = 2 pt) 0.140 pint= 66.2 mL 150.01g mass container and syrup 104.70g mass empty container

    asked by Ann on August 29, 2015
  18. INTRO TO STATISTICS HYPOTHESIS TESTING

    Math Horizons is a publication of the Mathematical Association of America. A recent issue reports that in the United States, graduating mathematics majors who also have studied actuarial science have an average first year income of 49,600. Suppose a random

    asked by Gweedo8 on March 19, 2010
  19. sociolinguistics-one more question

    i forgot to ask one more thing..what is a regional dialect?i can't find anything about that A regional dialect is the use of certain words and accents peculiar to a given region. Y'all, for instance, marks a southern U.S. speaker. The pronunciation of some

    asked by tea on June 17, 2007
  20. Chemistry

    Write the balanced net ionic equations for the reactions of the halogens with copper metal. The halogens are oxidizing agents and the copper metal is a reducing agent. a) Bromine (Br2)+copper metal (Cu) b) Iodine (I2) + copper metal (Cu) Based on your

    asked by Caroline on April 16, 2014
  21. Interpersonal Communcation (Check)

    1.The relationship between language and meaning is often unclear and difficult because: My answer is C the sentences we create are very rarely unique even speech communities do not have common grammatical rules language is innate words have both denotative

    asked by Bryan on January 17, 2010
  22. chem

    Consider a Carnot engine operating between the temperatures of 300. K and 189 K. Find the efficiency of this engine. Assume, now, that the isothermal step at 300. K is not reversible and the expansion takes place against a constant external pressure of

    asked by Chris on March 5, 2007
  23. chemistry (heat of fusion/vaporization)

    i need help setting this problem up. You have an insulated container of water that has a temperature of 83.2 C, you continue to add ice until the temperature reaches .6 C and you remove the excess ice, your volume increased by 79.8 mL. What amount of hot

    asked by abby on March 26, 2007
  24. Science. Check Answer

    Decided wheather work is being done or not. If it is being down write W. If not write N 1. You throw a baseball a distance of 20 meters. My answer: W 2. You lift a suitcase to put in the overhead luggage compartment of a plane. My answer: N 3. You push

    asked by Kalie on April 28, 2014
  25. Entrep

    Andy Rexford had started his custom embroidery shop in his garage with just one two-head machine and an old computer. From this humble beginning, Custom Stitches had grown into a full-time family business with sales of more than $750,000 a year and

    asked by Linda on October 31, 2010
  26. Analytical Chemistry

    Match the following terms about analytical precipitations to their definitions: A.) Coprecipitation B.) Adsorption C.) Absorption D.) Gathering E.) Masking F.) Digestion G.) Peptization 1.) Inclusion or occlusion of impurities within a crystal. 2.) Binding

    asked by Laura on February 28, 2014
  27. Physics

    A pilot of mass 65 kg in a jet aircraft makes a complete vertical circle in mid-air. The vertical circle has a radius of 1.70 km at a constant speed of 215 m/s. Determine the force of the seat on the pilot at (a) the bottom of the loop and (b) the top of

    asked by Gina on October 28, 2009
  28. Physics

    A pilot of mass 65 kg in a jet aircraft makes a complete vertical circle in mid-air. The vertical circle has a radius of 1.70 km at a constant speed of 215 m/s. Determine the force of the seat on the pilot at (a) the bottom of the loop and (b) the top of

    asked by Rachel on October 29, 2009
  29. math- geometry

    I will try and explain this since I can't draw the picture that went with this question. A circular glass overlay was placed on the top of a circular table. Find the area of the shaded region, rounding to the nearest tenth. The shaded region is the part of

    asked by sara on May 5, 2016
  30. Finite Math

    Please help...i'm totally lost with this one. Construct a linear program for the following situation. Do not solve. A hotel is refurbishing its rooms, each type of which will accommodate either one or two persons. A one-person room requires 2.5 hours of

    asked by Jen on December 3, 2008
  31. Economics (Production Possibility Frontiers)

    Assume that the endownment of capital and labor in a given society is 20 units of capital and 20 units of labor. The production function of good X can be expressed as X = K1/2L1/2, and the production of good Y can be expressed as Y = K + L. Which of the

    asked by Susan on December 6, 2009
  32. equations math 7a

    Smallside Farms sells Delicious and Empire apples. One August they sold 162 more Empire than Delicious apples. The total number of apples sold was 424. Which equation could be used to solve for n, the number of Delicious apples sold? a)2n+162=424

    asked by celia on May 23, 2017
  33. english double checking

    5- If someone asked me what kind of tale this was I would say it is a folktale because it is passed on and told by a person. The tale also uses animals and teaches lessons. 8- In what ways are the stories "The Turtle and the Rabbit Run a Race" and "The

    asked by Anonymous on November 24, 2011
  34. Physics (Stress & Strain)

    A uniform bar 1.900m in length and having a cross sectional area of 10.500cm^2 is subject to a loading of 5550.000N. This load causes an extension of the bar length of 1.100mm. Calculate the stress and strain produced. Stress = Load/ Area Strain = Change

    asked by Danny on June 23, 2013
  35. Reading

    Read the paragraph below . I'll show them that I can write well , "ling thought. Back in china , she had gotten the best grades in English class . But ever since her family had moved to Florida, her reports had been coming back all marked up . Ling asked

    asked by Nin on October 18, 2014
  36. EARTH SCIENCE

    1. Which gas is a source of natural groundwater pollution? A. Carbon B. Oxygen C. Hydrogen D. Radon C? 2. Which of the following statements best describes chemical weathering? A. It happens only in cool environments. B. It's the type of weathering in which

    asked by Beatrice on January 7, 2014
  37. Calculus

    I don't understand what the graph is suppose to show and what the integral equation is suppose to mean. How would I use the graph to answer the questions? f is the differentiable function whose graph is shown in the figure. The position at time t (sec) of

    asked by Anonymous on May 20, 2007
  38. psy - revise

    match -Psychodynamic Theory -Trait Theory -Learning Theory -Humanistic Theory -Sociocultural k. consists of five major personality factors which are reasonably stable elements of personality. These factors include extraversion, agreeableness,

    asked by rose - Ms. Sue on April 20, 2008
  39. chem

    Will someone help me with this problem, please? Calculate the mass in grams of 1.20*10^24 molecules of CO2. Well, convert it to moles of CO2. number moles= 1.2*1024/avagnumber Now, you take the molecular mass of CO2 (12 + 2*16) and multiply that by the

    asked by Annette on March 21, 2007
  40. science

    You drive on an interstae 10 from San Antonio to Huston, half the [b]time[/b] at 55km/h and the other half at 90km/h. On the way back you travel half the [b]distance[/b] at 55km/h and the other half at 90km/h. What is your average speed from San Antonio to

    asked by ben on September 10, 2006
  41. Chemistry

    One mole of nirtogen at 273K occupying 10 litres (state 1) is to be expanded to a volume of 20 litres at 373K (state 2). An infinite number of paths from state 1 to state 2 are possible. Consider the following important paths: (a) The gas is expanded

    asked by Alice on January 8, 2009
  42. math

    you are trying to cool your house. The temp in the house is 85. Your ac is set for 78. The outside temp is 71. Which will cool the house the fastest leaving the windows open or leaving the windows closed? With the AC running, it will be better to open the

    asked by manoj on March 17, 2007
  43. English

    I need to make this into two paragraphs and make it a little longer. I am drawing a blank. Can someone please help me. My study habits consist of reading aloud, note taking and last minute cramming. The reading aloud and note taking have always worked well

    asked by Michelle on March 14, 2014
  44. Math

    A distressed ship is 10 miles south and 8 miles east of a coast guard station. a) What bearing should the coast guard boat take to reach the distressed ship? b)How many miles will the coast guard boat travel? c)If the coast guard boat is traveling 30 miles

    asked by Andrew on January 6, 2015
  45. social studies

    Check my answers please Which of the following is the best example of the growing fear of communism and foreigners that America was experiencing in the 1920s? 1. labor unions losing supporters 2. the john scopes trial 3. the harlem renaissance 4. the sacco

    asked by anonymous on February 8, 2017
  46. english(business writing)

    The same scenario, different roles and perspectives: The Situation. A company recently installed an Eazy-Air Model 77 air conditioner in your upstairs den. You are Norman E. Stocker, of 41 Citrus Place, Sumatra, FL 32691. Your wife supervised the work.

    asked by Mr. Salman on August 16, 2007
  47. Check!!

    Can someone check whether I put the effects into the right category? Consequences of marijuana use. Physical: rapid heartbeat dry mouth and throat bloodshot eyes Reduced ability to perform tasks requiring concentration and coordination such as driving a

    asked by John on October 12, 2009
  48. Physics

    You set out to design a car that uses the energy stored in a flywheel consisting of a uniform 103-kg cylinder of radius R that has a maximum angular speed of 450 rev/s. The flywheel must deliver an average of 1.70 MJ of energy for each kilometer of

    asked by Alex on August 2, 2011
  49. Algebra

    -your school club decides to hold a fundraiser by selling trail mix, and you are in chrage of making the mix. You plan to offer two mixes, Country Blend and Premium Mix, each sold in one pound bags. Each pound of Country Blend consists of 1/2 pound of

    asked by Someone on December 15, 2011
  50. Physics

    A small 7.10kg rocket burns fuel that exerts a time-varying upward force on the rocket. This force obeys the equation F = A + Bt^2. Measurements show that at t = 0, the force is 121.0N, and at the end of the first 2.10s , it is 176.0N. Part A Find the net

    asked by Dreskillz89 on September 20, 2009
  51. Organich Lab Help Please!!!!!!!!

    You are asked to extract the alkaloid caffeine from tea and to purify the product. You are provided with the following information. a) Caffeine is soluble in hot water (18 g/100 ml) but less soluble in cold water (2.2g/100ml). b) Caffeine is a white

    asked by Organic Lab Help Please on September 13, 2014
  52. English

    I forgot to include the following examples.I urgently need to know if they are possible. 1) I usually ride my bike to school. My father drives his car to work. You can drive at 50 kilometers per hour on an Italian urban road. 2) You can drive at 130

    asked by Henry2 on September 29, 2011
  53. English

    Could you please check these sentences I'm not sure of? Thank you. 1)Who (amont you) gets the best marks in both English and science? Who achieves the best results in both English and science? We are going to choose high achievers who get the best/highest

    asked by Henry2 on December 20, 2011
  54. com 215

    map out a prospective job search and plan for an interview Your chart should cover three weeks. Your plan should focus on: •Where and when to search for prospective jobs and a list of those searches -- •Addressing ways to manage your résumés

    asked by Edna on June 22, 2007
  55. physics

    A slide-loving pig slides down a certain 35 degree slide in twice the time it would take to slide down a frictionless 35 degree slide. What is the coefficient of kinetice friction between the pig and the slide? I know that when the coefficent of kinetic

    asked by Bri on November 27, 2006
  56. American Government

    1) Which of the following would be most likely to occur if there were no nominating step in American electoral politics? A) Many people would run and the best, most qualified candidate would win. B) Many people would run and the winner would be elected

    asked by Juliet on November 7, 2016
  57. Math

    I was wondering if someone could help me check my work on this problem and see if I'm correct. Consider the experiment of drawing two cards without replacement from an ordinary deck of 52 playing cards. What are the odds in favor of drawing a spade and a

    asked by Punkie on November 28, 2009
  58. Statistics

    You look at the relationship between how much time people spend on the website ‘Bookface’ and how productive they are at work. time spent on Bookface is the predictor variable, and time spent working is the response variable. correlation between

    asked by claire on March 22, 2017
  59. physics

    A mass of 20 kg on a plane inclined at 40 degrees. A string attached to that mass goes up the plane, passed over a pullley and is attached to mass of 30 kg that hangs verticalyy. a) find the acceleration and it's dirction b) the tension in the string.

    asked by Benji on November 20, 2006
  60. Language Arts

    1. One would expect people living in utopian society to be A. wealthy B. difficult C. idealistic D. impossible*** 2. Which statement best describes a utopian community? A. People band together to share resources and duties equally.*** B. Resources are

    asked by Dude that smells on May 3, 2017
  61. criminal justice

    Probation officer Nichols is in charge of Jim. Jim was sentenced to three years of imprisonment for drug trafficking. However, because Jim had no past records of criminal activity, he was granted probation. He also had an excellent work record. The terms

    asked by sharday on August 29, 2014
  62. algerbra

    Belinda wants to invest $1000. The table below shows the value of her investment under two different options for two different years: Number of years 1 2 3 Option 1 (amount in dollars) 1300 1600 1900 Option 2 (amount in dollars) 1120 1254.40 1404.93 Part

    asked by jorjie on December 16, 2015
  63. Social Studies

    Plz help Which event caused the United States to lead a war in Afghanistan? A. the ISIS attacks on Iraq B. the civil war in Syria C. the September 11, 2001, attacks on New York and Washington, D.C. D. the attacks by Hamas on Israel Why did the Cold War

    asked by Me on December 19, 2018
  64. Chemistry labs in highschool

    I was curious to know whether it was standardized practice to have labs for chemistry classes in highschool. I personally have never had labs for chemistry in highschool. In my state we have the Regents. You may or may not have heard of this test, but the

    asked by ~christina~ on August 23, 2007
  65. hypothesis testing by mean levels

    hi everyone... i have this homework.. i tried to solve it... can anyone check if it's right or not, please?? Question: The maximum acceptable level of a certain toxic chemical in vegetables has been set at 0.2 parts per million (ppm). A consumer health

    asked by lubna on November 10, 2010
  66. Geometry

    Given: 7x + 2 = 2 + 5x – 6 Prove: x = –3 Given the equation 7x + 2 = 2 + 5x – 6, use the commutative property to rearrange the terms so that like terms are next to one another. This gives the equation 7x + 2 = 2 – 6 + 5x. Then, use the

    asked by Anonymous on February 21, 2012
  67. Accounting Math

    Can anyone please show me the calculation for these problems: Burlin Company starts the year with $100,000 in assets and $80,000 in liabilities. Net Income for the year is $25,000, and no dividends are paid. How much is owner’s equity at the end of the

    asked by Peaches on September 13, 2009
  68. social studies

    give all answers in detail what is consumer awareness Need of consumer awareness Consumer law in india forms of consumer exploitation consumer protections-i)some perspectives ii)case study role of producers in protecting consumers advice to consumers,their

    asked by shubhada on November 14, 2006
  69. math

    Here's an algebra question I need help on. I just need someone to explain how to get started...you don't have to solve it for me. I just don't know how to get the answer! Greta has a vegetable garden. She sells her extra produce at the local Farmer's

    asked by Nessa on August 31, 2007
  70. Ethos and Pathos

    Hi, I need help with a paper I wrote on an analysis of an advertisement. This is the ad i analysed facebook.cm/video/video.php?v=176110229125188 Could someone please tell me the Ethos and Pathos for this ad ? My ethos was - The text embellishes character

    asked by Ying on March 20, 2013
  71. writing english

    Hi, I need help with a paper I wrote on an analysis of an advertisement. This is the ad i analysed facebook.cm/video/video.php?v=176110229125188 Could someone please tell me the Ethos and Pathos for this ad ? My ethos was - The text embellishes character

    asked by Ying on March 18, 2013
  72. Chem

    Concerning compounds cyanogen, Hydrogen cyanide and sodium cyanide. Cyanogen = C2N2 (CN)2 Hydrogen Cyanide = HCN boils at 26C and yeilds an acid solution when added with water. Sodium Cyanide = empirical formula NaCN is a solid melts at 564C a) Assuming

    asked by Lacey on March 6, 2007
  73. computer networks.

    Question 1 (PIM) Assume you have a source S, and assume that some receivers have joined the shortestpath tree of S, while other receivers have joined only the shared tree. Prove that, if the network is in a steady state (no routing table changes, no

    asked by Suraj on October 30, 2007
  74. Logarithmic Function

    A spacecraft is approaching a space station that is orbiting Earth. When the craft is 1000 km from the space station, reverse thrusters must be applied to begin braking. The time, t, in hours, required to reach a distance, d, in km, from the space station

    asked by Jus on May 17, 2009
  75. geology(science) am i right?

    Respond to the following scenario: o Your younger brother is in 5th grade. He comes home and tells you to look at an animation his teacher showed him in geology class. o Review the Continents of the Past animation on this week¡¦s aXcess page. o After

    asked by scooby91320002 on March 13, 2009
  76. Math

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

    asked by Emma on March 18, 2018
  77. algebra

    To estimate animal populations, biologists count the total number of animals in a small section of a habitat. The total population of animals is directly proportional to the size of the habitat (in acres) polled. a. Write an equation using only one

    asked by Jack on April 8, 2008
  78. algebra

    What in the world does this mean? To estimate animal populations, biologists count the total number of animals in a small section of a habitat. The total population of animals is directly proportional to the size of the habitat (in acres) polled. a. Write

    asked by Laura on September 14, 2008
  79. Math - Venn Diagrams

    How can we solve this using a Venn diagaram? 12 out of 1000 women at age forty who participate in routine screening have breast cancer. 880 out of 1000 women with breast cancer will get positive mammographies. 90 out of 1000 women without breast cancer

    asked by Stephanie on February 8, 2010
  80. Math

    How can we solve this using a Venn diagaram? 12 out of 1000 women at age forty who participate in routine screening have breast cancer. 880 out of 1000 women with breast cancer will get positive mammographies. 90 out of 1000 women without breast cancer

    asked by Stephanie on February 8, 2010
  81. English

    I forgot to include the following statements. I really hope you can check them, too 1) The Druids were the Priests, Priestesses and Magicians of the Celtic people. They administered religion, justice and education. 2) The word “Druidae” is of Celtic

    asked by Franco on January 30, 2011
  82. English

    Can you suggest/comment on my poem? Death and Liquorice It is funny how everyone sees me, As a looming ghost above their head In fact we have never met before Yet they still anticipate me with dread. What I do I do as a professional Employed by the great

    asked by Vic on September 7, 2008
  83. Intro to LAN

    I have an assignment. here is the criteria All key elements of the assignment are covered in a substantive way. · Select one organization from the company descriptions in Appendix G · Recommend how the company should back up and protect their network

    asked by James on May 19, 2008
  84. com 155

    Underline the Adjectives and Bold the Adverbs in these sentences: 1. The beautiful princess cautiously walked in the forest. 2. The lovely woman lives in a friendly neighborhood. 3. The students show a really wonderful attitude. 4. He spoke sharply,

    asked by tawna on April 8, 2011
  85. grade 12 chem - check my answer again please

    Hi, please check my work: In an experiment, 23.4 g of FES are added to excess oxygen and 16.5 g of FE2O3 are produced. The balanced equation is: 4FeS + 7O2 --> 2Fe2O3 + 4SO2 Calculate the % yield. My Answer: nFeS=23.4g/87.92 g/mol =0.266 mol 4mol FeS /

    asked by Sarah H on May 24, 2008
  86. Health (Ms. Sue)

    "A man moved into the apartment next door to Tasi last week. He makes her nervous. Whenever she passes him in the hall, he looks over her whole body. Yesterday, when Tasi came home from school, the man asked her to come over his apartment to watch a movie.

    asked by Anonymous on November 3, 2013
  87. Science

    Which of the following can be accurately said about climax communities? A. Climax communities are always stable. (B. Restoration of the original climax community is always achieved at the same rate.) C. Climax communities are always uniform. D. Restoration

    asked by Jordan on March 23, 2016
  88. uc

    As an experiment she randomly selected 15 students and randomly assigned them to one of three groups which include either a PowerPoint presentation created by the faculty, AuthorGen Presentation created by the faculty, or a well known tutorial by the ABC

    asked by tia on December 6, 2010
  89. Physics

    Please Help! I am having difficulties grasping these concepts. Explain please! 1. How much heat energy is required to change 500 grams of water at 100 degrees Celsius to steam at 100 degrees Celsius? 2. How much energy is lost if 7kg of water is cooled

    asked by Tamai on June 8, 2014
  90. Computers (XML)

    employees.xml Linda P. Jone 386-333-2321 Tom Smith Hilda Parham 386-455-5675 Create a DTD files “employee.dtd” based on “employees.xml”. Create a schema files “employee.xsd” based on “employees.xml”. Create a

    asked by Lisa on February 21, 2012
  91. physics

    The diagram below shows two identical balls A and B on a horizontal surface. Ball B is at rest and ball A is moving with speed V along a line joining the centres of the balls. The mass of each ball is M. (DIAGRAM BEFORE COLLISION: there are 2 balls, first

    asked by pleasehelp on January 15, 2018
  92. Mixed melting point

    Question: A compound melting at 134 degrees C was suspected to be either aspirin (mp 135C) or urea (mp 133C) Explain how you could determine whether one of these two suspected compounds was identical to the unknown compound without using any form of

    asked by Sheryl on October 1, 2006
  93. History

    1. What is one benefit of reservation life for Native Americans? A. They have access to many Native American employers B. They have the freedom to have some self-government*** C. They have special boarding school for their children D. They have a lifestyle

    asked by Charlotte Dunois on February 28, 2019
  94. English Composition

    Hi, can someone proofread this and let me know what my weaknesses are on my thoughts or sentence structure. Based on the article I read I believe that the bases of wars are a result of people’s lack of understanding, appreciation, and respect for other

    asked by Bizzy on February 3, 2008
  95. chemistry

    0.702g of arsenic an oxide of arsenic mass 0.927g how do i calculate the mass of oxygen that combines with 1 mole of arsenic atoms to form the oxide of arsenic. how many moles of oxygen atoms does this mass represent a and then using that answer i have to

    asked by minnie on January 31, 2007
  96. Satistics

    1.A large electronics company wants to estimate the proportion of all households that own GPS machines. What sample size is required that would give the maximum error of 2.0% for a 95% confidence interval? An unscientific survey had an initial result of

    asked by SANNM on August 22, 2017
  97. Thermochemistry please

    I really need help on this problem... ===================== Hydrocarbon Formula Delta H (kj/mol) 1,3-Butadiene C4H6(g) 111.9 a) calculate the fuel value in kJ/g for this compound and determine the percentage of hydrogen by mass. I've tried it for hours yet

    asked by Jina on January 9, 2007
  98. check american government

    im suppose to right an essay if the president is too powerful. is this good. The Articles of Confederation was our first Federal Constitution. It proved too weak to carry on the work of a national government. Under the Articles, each year the Congress met,

    asked by Anonymous on October 26, 2008
  99. Physics Electrical help thanks

    Thank you ! At some instant the velocity components of an electron moving between two charged parallel plates are vx = 1.3 105 m/s and vy = 3.6 103 m/s. Suppose that the electric field between the plates is given by E = (120 N/C) j. (a) What is the

    asked by Jennifer on February 15, 2007
  100. Broadcast news

    we had to write a lead on this news, answering what's the what, whats news, and since its broadcasting we had to be it simple and conversational, as if we were reading it. story: The Bush Administration recently proposed eliminating 20 National Weather

    asked by Blaze on February 26, 2013

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