1. trigonometric functions

    im compeletely lost with the trigonometric functions...can anyone explain clearly to me? Are you lost on the definitions?...where is the problem. You need to be able to draw and label all the parts of a triangle, the hypotenuse and legs. Then be able to

    asked by Katrina on September 14, 2006
  2. Math-Precalculus-Parametric Equations - Ellipses

    The graph of the equation (x-h)^2/(a^2) + (y-k)^2/b^2 = 1 is an ellipse with center (h,k), horizontal axis length 2a, and vertical axis length 2b. Find parametric equations whose graph is an ellipse with center (h,k), horizontal axis length 2a, and

    asked by Sam on December 9, 2013
  3. science

    1. If all members of a species disappear, the species is said to be A. extinct ****** B. endangered C. threatened D. keystone 2. Which of the following is an important outcome of biodiversity that humans use? A. Computers B. Medicine ****** C. Fashion D.

    asked by help with connexus plsss on February 5, 2019
  4. college statistics

    The CEO of ABC manufacturing commissioned a study to look at the differences between the current salaries of her employees (n = 474) and their starting salaries. The study collected current and beginning salary data for each of the 474 employees and the

    asked by samantha on July 20, 2014
  5. chemistry

    a) Tetraphosphorus (P4), commonly known as white phosphorus, forms different compounds with chlorine (Cl2) depending on the amount of chlorine present. If chlorine is limited, phosphorus trichloride (PCl3) is formed. If there is an excess of chlorine,

    asked by Morgan on September 10, 2014
  6. Chemistry

    a) Tetraphosphorus (P4), commonly known as white phosphorus, forms different compounds with chlorine (Cl2) depending on the amount of chlorine present. If chlorine is limited, phosphorus trichloride (PCl3) is formed. If there is an excess of chlorine,

    asked by Morgan on September 10, 2014
  7. Chemistry

    a) Tetraphosphorus (P4), commonly known as white phosphorus, forms different compounds with chlorine (Cl2) depending on the amount of chlorine present. If chlorine is limited, phosphorus trichloride (PCl3) is formed. If there is an excess of chlorine,

    asked by Morgan on September 10, 2014
  8. Statistics

    Eric has computed that it takes an average (mean) of 17 minutes with a standard deviation of 3 minutes to drive from home, park the car, and walk to his job. One day it took Eric 21 minutes to get to work. You would use the formula for transforming a raw

    asked by Ginger on June 18, 2011
  9. Crt/205

    I have posted my assignment several times and noone has responded to what I need help with I am going to post it one more time to see if anyone can check over my questions and answeres and give me some type of feed back Checkpoint :Identifying Fallacies

    asked by eyvonne on January 21, 2010
  10. Math

    Please explain in a more simple way, what I''m supposed to do? If you are unable to submit your answer to question 1 in audio form, you may submit your answer here. What are the steps to solve this problem? 0.000027 ÷ 0.000009 Prepare your response to

    asked by BleakTuber on December 5, 2018
  11. math

    Why is it important to simplify radical expressions before adding or subtracting? How is adding radical expressions similar to and different from adding polynomial expressions? Provide a radical expression for your classmates to simplify. In your own

    asked by Abigail on October 11, 2010
  12. advertising

    although a democracy is based on freedom of expression, most people recognize the need to allow the government to excercise control over such things as false and misleading advertisements or advertisements of illegal products.Is the banning of cigarette

    asked by raven on April 14, 2007
  13. Discrete Math

    (2) Suppose A is the set of students currently registered at the University of Calgary, B is the set of professors at the University of Calgary, and C is the set of courses currently being offered at the University of Calgary. Under what conditions is each

    asked by Sue on March 22, 2013
  14. Laissez-Faire(please no sites)

    Could you please simplify these for me. I already looked up a bunch of sites, and they all have hard vocab in them which I just cant understand. Describes an environment in which transactions between private parties are free from state intervention,

    asked by Anonymous on April 20, 2011
  15. math

    find the sum of 2 1/2 and 2/5 which of the following makes the statement true? 1/5^0 the area of a certain state is 840,000 square miles. what is this area in scientific notation? which is irrational? A. 0.11711711711... B. o.8596873205... C.

    asked by Bry on October 7, 2014
  16. Algebra

    A fish pond at the local park is a regular hexagon. a. Write a formula for the perimeter of the pond in terms of the length of a side. Explain your formula. b. Each side has a length of 7.5 feet. Find the perimeter of the pond. c. Suppose the designer of

    asked by Samantha on March 14, 2012
  17. physics

    A string connecting a car of mass x1 on an air track is connected to another mass, x2, by a string over a pulley. If the string has appreciable mass will the car still undergo constant acceleration? Explain I think that the car will still undergo constant

    asked by Emily on February 11, 2012
  18. science

    do earthquakes occur in areas without identified large faults? The key words you use are "identified" and "large." As far as I know, earthquakes occur at fault lines, whether or not they have been identified or are large. Since this is not my area of

    asked by alejandra on October 12, 2006
  19. physiology help

    why do fetal pigs have sensory papillae for bitter taste on the tongue? i have no idea. maybe so they won't eat something bad? Since this is not my area of expertise, I searched Google under the key words "bitter taste function" to get these possible

    asked by dave on May 29, 2007
  20. English - revised

    Question: What type of introduction and what type of conclusion do you plan to write for your research paper? How does the introduction draw readers into your argument, and how does the conclusion neatly tie up your paper? Explain your answers. Answer: My

    asked by rose - Ms. Sue on May 13, 2008
  21. Sci 275

    Write a 700- to 1,050-word paper in APA format that includes the following: o A brief description of your selected water resource issue and how it originated. o A management and sustainment plan that you think will alleviate the problem. o Any opposing

    asked by Tessa on February 22, 2009
  22. business law

    "Drug use is information that is rightfully private and only in exceptional cases can an employer claim a right to know about such use." "Drug use is information that is rightfully private and only in exceptional cases can an employer claim a right to know

    asked by Anonymous on May 12, 2010
  23. statistics

    Nownes (2000) surveyed representatives of interest groups who were registered as lobbyists of three U.S. state legislatures. One of the issues he studied was whether interest groups are in competition with each other. Table 1?10 shows the results for one

    asked by fuzzie530 on October 5, 2011
  24. Communication/Speech

    Articulation errors: A. cannot be fixed B. should be constantly corrected C. are frequently outgrown D. occur as children try to imitate new sounds. Would the best answer be: (D) occur as childrentry to imitate new sounds? D is probably the best answer; C

    asked by Elyse on July 27, 2007
  25. History

    6. Which of these were reasons for Columbus is first voyage from Spain select all that apply (A )Spain wanted to discover new land for settlement ( B.) He went in search of an easier route to Asia C. He sought to bring back Native Americans for slavery D.

    asked by Anonymous on September 28, 2016
  26. History / English

    I can't find the answer to this anywhere! Help? What did Henry II do that solidified his power as king but led to economic problems and helped incite conflict with the church? - executed all bishops who were opposed to his rule - gave enormous financial

    asked by Karen on February 10, 2010
  27. business(Information Systems Strategy)

    Strategy Development Present and explain five key IT/IS initiatives that should form company’s (mobile industry company) 3-5 year IT/IS strategy. You should present this strategy using Earl’s Risk & Return Portfolios taxonomy, then by briefly

    asked by Shalini on October 27, 2008
  28. 5th grade Math

    Please help me with these math problems. #1 Matt subtracted 1.9 from 20.8 and got 1.8. Explain why this is not reasonable? #2 Explain why it is easier to find 10 minus 1.9 mentally than with paper and pencil. #3 On May 27, 2001, a high school student ran a

    asked by Tim on September 30, 2009
  29. social studies

    the task of economic policy is to create a properous america. The unfinished task of properous American is to build a Great Society. Our accomplishments have been many: these tasks remain unfinished; > to achieve full employment without inflation; > to

    asked by barby on May 1, 2008
  30. social studies

    the task of economic policy is to create a properous america. The unfinished task of properous American is to build a Great Society. Our accomplishments have been many: these tasks remain unfinished; > to achieve full employment without inflation; > to

    asked by barby on May 1, 2008
  31. macro economics

    For each event, illustrate the impact on the relevant market and determine what will happen to the equilibrium price and quantity in that market. (40 points – 10 points per line item) Event Market for: Show which curve shifts Equilibrium price rise or

    asked by Destinie on July 28, 2011
  32. grammar

    what is the structure for conjugating verbs in subjontif Thank you for using the Jiskha Homework Help Forum. Since you label this "Grammar," do you mean in English? But because you also say "subjontif" do you mean in French? Please clarify so we give you

    asked by Ruzan on April 2, 2007
  33. English

    Hello, can you correct my Constructed Responce. The story is: Driving Age Mary O'Dell Constructed Response Question: 1. “At eighteen, people are more mature and better able to make mature decisions." Identify the common propaganda technique that is being

    asked by Cara R on May 28, 2015
  34. Understanding Muslims and Arabs

    Write a 700-1000 word paper that covers the following aspects: 1 Accurately define the differences between Muslims and Arabs, giving examples of the geographic locations of concentrated populations of both in the United States and in the Middle East. 2.

    asked by tony on July 20, 2010
  35. History PLEASE HELP

    Which ones are true a. Some people in northern Chad are nomadic and raise camels and plant crops in oases due to lack of arable soil. b. In parts of West Africa they are careful not to cut down trees to make arable land. c. Tension exists in Egypt between

    asked by Anonymous on November 13, 2014
  36. writing

    This is the assignment: Reread either Andy Rooney’s essay on page 96 or Sarah Penning’s essay on page. 97. Select either essay as your starting point and discuss the terms they write about. What is your reaction to the thesis of either in relation to

    asked by nick on June 27, 2007
  37. Physics

    This speed is the maximum possible speed attained by the roller coaster, or the “theoretical speed”. Roller coasters are carefully designed to minimize frictional forces so that they approach these theoretical speeds. The efficiency of a roller coaster

    asked by Angie Need Help ASAP on December 4, 2013
  38. Physics

    This speed is the maximum possible speed attained by the roller coaster, or the “theoretical speed”. Roller coasters are carefully designed to minimize frictional forces so that they approach these theoretical speeds. The efficiency of a roller coaster

    asked by Angie Need Help ASAP NOW on December 4, 2013
  39. Physics

    This speed is the maximum possible speed attained by the roller coaster, or the “theoretical speed”. Roller coasters are carefully designed to minimize frictional forces so that they approach these theoretical speeds. The efficiency of a roller coaster

    asked by Angie Need Help ASAP on December 3, 2013
  40. Environmental Science

    Can someone please like help me? :') Mack, what is your question? We will not give you the answer but I will try to find you sources where you can find it. I checked your previous multiple choices posts. It is not possible to say if they are correct (best

    asked by Mack on April 21, 2007
  41. Math

    1. Marissa is a photographer. She sells framed photographs for $100 each and greeting cards for $5 each. The materials for each framed photograph cost $30, and the materials for each greeting card cost $2. Marissa can sell up to 8 framed photographs and 40

    asked by Jessica on January 20, 2014
  42. economics

    what happens to the united states economy when the gold standard was discontinued? Since this is not my area of expertise, I searched Google under the key words "gold standard economy discontinue" to get these possible sources:

    asked by lauren on March 31, 2007
  43. The American Experience Since 1945

    In the years following the September 11, 2001, attacks, the number of terrorist incidents on U.S. soil has totaled 33; other countries, like the U.K., have experienced more (190), with some countries like Israel reporting numbers in the thousands (National

    asked by Lisa on August 13, 2012
  44. History

    Can someone check my history questions? Please? 1) Republicans were responsible for the passage of the Thirteenth Amendment, which effectively nullified the Three-fifths Compromise. Why was this an issue of concern for Republicans? A) because it meant that

    asked by Abby on October 17, 2015
  45. Geography (Ms. Sue)

    1). What was the extent of the Russian Empire's expansion between the 9th century and the end of the 17th century? A: The Russian Empire's expansion extended to the Pacific Ocean by the end of the 17th century. 2). What were the origins of the Soviet

    asked by Anonymous on October 9, 2013
  46. geography

    What are 2 reasons why some geographers today believe Thomas Malthus' theory cannot be used to predict future population issues? Explain. What are 2 reason why some geographers today belies Thomas Malthus' theory can be use to predict future population

    asked by Charlotte on September 15, 2011
  47. penn foster

    im trying to finish these classes soon so i can start college, but honestly they are too complex. and i NEED HELP!!!! I have 1-5 done. 6. In the Mongol Empire, the plague A. provided new oppurtunities for territorial expansion B.ended further expansion C.

    asked by katie on January 30, 2013
  48. chemistry

    Any help with the following questions would be greatly appreciated! 1) What is the fuel source in nuclear power plants? How is that energy harvested from the source? 2) How does the fuel source used in power plants differ from the fuel source used in

    asked by Tychicus on December 19, 2006
  49. US History

    1. How did the pattern of European immigration shift in 1890? a. from Jewish to Catholic Europeans b. from northern to southern and eastern Europeans c. from eastern to southern Europeans d. from eastern to western Europeans B? 2. The massive government

    asked by mysterychicken on November 12, 2010
  50. english

    Hey, Can please somebody read and correct this text? I thning that this time it is very bad... But I can't say exactly why... maybe someone of you can help me? Thanks Minnie 1. What does Cohen point out before giving his seven monster theses? Before Cohen

    asked by Minnie on October 27, 2013
  51. help with websites and introduction asap plz

    i have to write an essay on this topic: The constitution was an attemt to addrss the problems that existed under the Articles of Confederation. A) list and explain three problems of decentralized power under the articles of confederation. for each problem

    asked by haley on July 27, 2006
  52. Chemistry

    Describe the spectrum of the light from a fluorescent lamp and from an incandescent (tungsten filament) lamp, and try to explain what you observe. So fluorescent lamps use electricity to excite mercury vapour, and the excited atoms produce short-wave UV

    asked by Jon on December 5, 2010
  53. Medical Terminology

    You are a front office medical assistant. A second front office medical assistant is going to be hired, and you have been asked by the office manager to help her screen job applicants for the position. The office manager asks you to put together a short

    asked by Clinard on April 30, 2009
  54. factors which influence

    List three different factors which influence the rate of enzyme activity and specifically explain each factor’s influence on enzyme activity. Since enzymes are protein, they are very sensitive to environmental conditions. The very nature of large 3-

    asked by josip on June 20, 2006
  55. Social Studies

    Which of the following did the populist party believe would solve U.S economic problems? A)currency reform*** B)saving Banks C)new policies on Native Americans D)renewed immigration policies ~I can't really type this because passage but the next thing it

    asked by Nawa101 (ANYONE HELP) The Labor Movement Quiz on January 22, 2018
  56. social studies

    the task of economic policy is to created a prosperous america.the unfinished task of prosperous americans is to build a great society. our accomplishments have been mamy; these tasks remain unfinished:> to achieve full employment without inflaction;>to

    asked by ricardo on February 9, 2009
  57. Math

    Hello, I have an assignment where I have to create a model/sculpture and I am faced with this question during the analysis: Determine the scale you will need to use to render your design in a 3D model. Explain your choice. And: Determine the scale you will

    asked by Max on December 1, 2017
  58. English

    I need help with these problems 1. Academic writing is defined by conventional forms of writing, such as ________. A. research reports and case studies B. editorials and arguments C. summaries and problems D. prose and poetry 2. Public writing includes

    asked by Jay on February 6, 2015
  59. Psychology

    Jiskha Support Team, I am supposed to do a written assignment however I am having a problem with understanding instruction number #1 and #3 #1 through #4 is part of the requirement for my written paper #1). Must include an introductory paragraph with a

    asked by Sharon on January 29, 2012
  60. Social studies

    1. Explain the advantages and disadvantages you discovered for interdependence. Include examples from the past and present of interdependence in Central America. 2. Explain the advantages and disadvantages of independence. Include examples from the past

    asked by Gurl nerd on March 16, 2018
  61. Business Law

    Peter, a farmer, leaves 3 bushels of tomatoes with Keagan, the owner of a grocery store. Peter says “Look these over. If you want them, they’re $3.00 a bushel.” Keagan never gets back with Peter. Keagan runs out of his own tomatoes and begins selling

    asked by IndyGirl on February 21, 2010
  62. Business Management 1000

    My assignment was worded oddly and I was just hoping someone can provide clarification for me. I am wondering if my ENTIRE paper needs to be in APA format (which would be odd for 2-3 pg. requirement) or if just the SOURCES need to be in APA Format (in

    asked by Allysin on September 17, 2015
  63. Chemistry

    1. Explain how aldehydes are distinguished from ketones. My thought: Ketones contains a carbonyl group within a carbon chain. Unlike ketones, aldehydes contains a carbonyl group at the end of the carbon chain.This made aldehydes distinguished from ketones.

    asked by anonymous on May 9, 2009
  64. Discussion Questions

    Consider the choices of Native Americans who decide to stay on their tribes native land (reservation) and those who choose to relocate to a city. If you were presented with this decision, which would you choose and why? Please re-post with your response to

    asked by Vet on August 7, 2006
  65. English

    Hello, can you correct my Constructed Responce. The story is: Driving Age Mary O'Dell Constructed Response Question: 1. “At eighteen, people are more mature and better able to make mature decisions." Identify the common propaganda technique that is being

    asked by Cara R on May 28, 2015
  66. environmental technology manegement

    what is the definition, positives, negatives, and ethical issues of genatically modify organisims? Since this is not my area of expertise, I searched Google under the key words "genetic modification advantage" to get these possible sources:

    asked by momo on November 24, 2006
  67. critical thinking

    What would be some good sources to look for these things: rhetorical devices, examples of bias, fallacies, or faulty reasoning, argument good/bad, valid/invalid, or strong/weak and non-factual issues addressed, moral, legal or aesthetic reasoning.

    asked by gigi on April 19, 2007
  68. English check please I've corrected it again

    . Dispatch 2. Orient 3. Enigma 4. Discern 5. Enhance 6. Attribute 7. Nocturnal 8. Exemplify 9. Mobile 10. Attest Animals Possess sensory powers that humans lack. Homing pigeons fly with great speed and accuracy when 1)___(e)d with messages to faraway

    asked by ME on September 14, 2011
  69. english

    Animals Possess sensory powers that humans lack. Homing pigeons fly with great speed and accuracy when 1)___(e)d with messages to faraway places. How do Pigeons 2)___ themselves in unfamiliar regions? This remains something of a(n) 3)___. The mystery,

    asked by cha on October 30, 2012
  70. PHYSICS

    Using the motor principle explain why a motor is rotating in the direction indicated. I seriuosly have no idea, please help explain this theory to me. PHYSICS - drwls, Saturday, February 6, 2010 at 2:15pm To help you answer that question, I'd need a figure

    asked by Sarah on February 6, 2010
  71. Economics

    Help! I have an assignment and I lost my textbook. Does anyone have "Managerial Economics for a Global Economy" by D. Salvatore (6th Ed)? If so, I need the integrating problem #15 on page 32. All I know is it is something about Samantha and a pharmacy...

    asked by Jez on February 4, 2010
  72. algebra 2 help please/check

    The first 3 terms in a geometric sequence are 1.1, 1.65, and 2.475. Part A: What is the sum of the first 6 terms of the sequence? Show your work. Part B: How does the sum of the seriesy differ from the 6th term? Explain. Part C: If the nth term in this

    asked by jenny on May 20, 2012
  73. history

    please check my answer Describe the major territorial advances made by the United States in the 19th Century Ohio had been admitted by 1803 as a new state. Thomas Jefferson purchased the Louisiana territory from France in 1803, this was the Louisiana

    asked by history on April 20, 2009
  74. hca 270

    i have to do this and i have no idea im so confused i know to define but what is a real world example. and what are the fouec's and five pillars? im confused a little hint of help please The Four C’s and Five Pillars Directions: Consult Ch. 1 and the

    asked by sammy on December 4, 2009
  75. Social Studies

    Hello! I need help! Could someone be kind and check my answers for me? Thanks!! 4. What economic philosophy developed in response to the problems of industrial workers? A. socialism B. capitalism** C. laissez-faire D. mercantilism 5. How does this image

    asked by Thea on October 25, 2018
  76. Social Studies

    1. Which are some characteristics of the Middle Colonies? Select all that apply. 1. Some colonists were skilled artisans. 2. They were all established as Royal colonies 3. Most colonists settled for religious reasons. 4. Agriculture was an important

    asked by Anonymous on September 12, 2016
  77. Please check my answers(Social Studies)

    some characteristics of the Middle Colonies? Select all that apply. 1. Some colonists were skilled artisans. •• 2. They were all established as Royal colonies 3. Most colonists settled for religious reasons. 4. Agriculture was an important industry.

    asked by Josh ticklish on September 13, 2016
  78. art

    For this assignment, you will be required to complete a critical essay about 3 different works of art from the same period and style. Selected works of art must be chosen from the 1600s to the present (Baroque period through the Postmodern period). The

    asked by Trine on August 23, 2014
  79. Management

    Why is management necessary? What are the advantages and disadvantages of delegation? Just as the brain coordinates the functions of the body, effective management is needed to coordinate the functions of a business to make it productive. However, since

    asked by Laverne on July 6, 2006
  80. math

    I asked this yesterday and didn't get a response. I know it is difficult since you can't see the picture on my homework. Can you tell me if I started correctly and used the correct formula for surface area of a triangular prism? Is there a way to post a

    asked by sara on May 9, 2016
  81. More Organic Chem.

    1. Would you expect ibuprofen to be soluble or insoluble in 1.0 M NaOH? Explain. 2. Thymol is very slightly soluble in water and very soluble in 1.0 M NaOH. Explain. Any info. would help! Below are two web pages. The first shows ibuprofen has a -COOH group

    asked by Richard on February 5, 2007
  82. business

    What is foreign investment? can some explain international investment theory to me? I am a 10 th grader I have to do a report and explain foreign investment and international investment theory in a paper where do I start? Please help Foreign investment is

    asked by larry on December 11, 2006
  83. Economics

    Economics basics Practice 1. How does scarcity affect producers? A- Limited costs prevent producers from hiking prices. B- Limited demand prevents producers from offering low prices. C- Limited time prevents producers from finding the best employees. D-

    asked by Brons on May 10, 2017
  84. Computers

    Your sister owns a small clothing store. During a conversation at a family dinner, she mentions her frustration with having to manually track and reorder high demand items. She would like an automated system but has a very small budget. Write a 4-5 page

    asked by Kelon on July 15, 2012
  85. Science

    1. Which type of weather technology often carries cameras that can make images of Earth's surface, clouds, and snow cover? A. weather balloon B. weather satellite**** C. computer D. automated weather station 2. Why are weather forecasts more reliable now

    asked by Bob on March 19, 2015
  86. court system law

    Can someone help me what are good websites to find this information in. Thanks.....or any hits help will be awsome. Considering issues facing the Juvenile court system today, and appraise the efficacy of juvenile justice policy in our modern society. What

    asked by kLn on February 19, 2007
  87. psy

    17. The higher the price of an antique, the greater people’s expectation that the object is rare. That, in turn, makes the antique appear more valuable. If the statements above are correct, then offering an antique for sale at a bargain price (Points :

    asked by Heidi on April 2, 2012
  88. Human Biology

    Starting with the right ventricle of the heart, describe the function of the heart and the movement of the blood through the pulmonary and systemic circuit. Include a description of gas exchange within the lungs. Now consider what happens if Jake starts

    asked by Alina on April 25, 2012
  89. Eduation

    Solve the linear equation.Please explain.Thanks f/3 -3=1 A.-10 B.-12 C.10 D.12

    asked by Lisa D on June 28, 2010
  90. Cultural diversity

    Explain the difference between Muslims and Arabs

    asked by L on October 25, 2008
  91. current everntc

    an someone explain the conflict between the isrealites/palestinians?

    asked by john on November 1, 2007
  92. Business

    Please explain exactly what "Strategy and prioritization selection" is.

    asked by VONN on March 13, 2018
  93. Math

    Help me -3p>-48 Also plz help explain the process I’m really stuck on this one Thanks

    asked by eL on February 4, 2018
  94. Math

    Explain how the digit 1 can have a different values in 111

    asked by Ann on October 21, 2010
  95. chemistry

    explain how to prepare a 200cm,0.25 ofH2SO4

    asked by adeola on August 24, 2014
  96. Biology

    Can someone please explain to me what is a GENETICALLY MODIFIED ORGANISMS and what is use for?

    asked by Sugar on October 24, 2008
  97. Math

    Explain how you know if a number can be divided by 10 evenly

    asked by Elizabeth on September 8, 2016
  98. Math

    (sin)6.9^10-4/10-5. Please solve. I don't get it....explain too.

    asked by Wendy on October 18, 2011
  99. math

    explain how u round 85 to nearest ten.

    asked by ashley on October 12, 2011
  100. American Government

    explain the importance of a president's character.

    asked by Maci on October 18, 2011