1. geometry

    I really need help on this question: Determine whether each conjecture is true or false.Give a counterexample for any false conjecture. Given:Wx=XY Conjecture:W,X,Y are collinear. PlEASE HELP!!!
  2. math

    Which of the following statements is true? A. all trapezoids are similar B.all isosceles triangles are the same C.all rectangles are similar D.all equilateral triangles are similar
  3. Math

    True or False. 1. Every function is a relation. 2. When you switch the inputs and outputs of any function, the resulting relation is a function.
  4. Physics

    A 36 kg box hangs from a rope. What is the tension in the rope if the following are true? (a) The box moves up a steady 5.0 m/s? (b) The box has vy = 5.0 m/s and is slowing down up at 5.0 m/s2?
  5. Science

    Which statement about scientific question is true? a. Scientific Questions should avoid bias or b. Scientific Questions should be as general as possible
  6. reliabiility

    According to classical test theory, if the observed variance of a test is 50 and the true variance is 40, what is the estimated reliability of the test
  7. algebra,mathematics

    Question 1 which of the following is/are true? A.(2/a-b) (b-a/2) =-1. B.If x=-1/2 and y=-2 then -x^2 - 4x/y +y^2=2 3/4. C.√1-x /√x-1 is defined for all x€R,x is not equal to 1. Question 2 The solution set of -x-√2x^2 +x -5 = 1 is 1.Q
  8. US GOV

    True or false 1)few issues capture the attention of all Americans. 2)Most issues are of little interest to the majority. 1)FALSE 2)FALSE
  9. US Government

    Public opinion is crucial in a democracy, for if we are truly a government "for the people, by the people," it is then essential that we know what the people think and want. True or false?
  10. science

    Circle the letter of each sentencethat is true about deep currents. a. they can be thought of as a global conveyer belt. b.it takes them about ten years to flow from the pole to the equator and back. c. they transfer heat through the ocean d. they bring
  11. English

    Which sentence most clearly exhibits bias? A. The professor’s points appear to be based on outdated research. B. If my argument is true, Blake’s argument is clearly false. C. Few would disagree that poor people are incapable of rational thinking. D.
  12. Science

    What are the advantages of slower population growth? Please check your assigned reading and post your answer. We'll be glad to help you when we see your thoughts about this subject. No diseases and over crowd True. But a society can provide food, jobs, and
  13. English!

    To correctly quote from a source the information must be enclosed in quotations marks and include a reference to the source in parentheses, for example, "Poor diet and lack of exercise are known contributors to the epidemic of type 2 diabetes spreading
  14. c+=

    true life magazine wants an analysis of the demographic characteristics of readers in c++ the marketing department has collectedreader survey records containing the age , gender , marital status ,and annual income of readers the data is stored in an input
  15. math...?

    to save fuel on the 240 km trip to the cottage, the Nakamura family reduce their usual average speed by 20 km/h. this lengthens their journey by 1 hour. what is the slower average speed? i was told this question is not complete to answer? is that true?
  16. History

    Which of the following is true about the Palestinian Liberation Organization? A.It was responsible for many early airplane hijackings. B.The United States defines it as a terror organization. C.It supports the use of violence in the conflict with Israel.
  17. trig

    a plane is flying with airspeed of 140 mph and heading 280 degrees. The wind currents are running at 20mph at 260 degrees clockwise from due north. Find the true course and ground speed of the plane.
  18. history

    Which of the following was true of the Judiciary Act of 1801? A. It packed the Supreme Court with Democratic Republicans. [B. It expanded the federal court system.] C. It was opposed by the Federalists. D. It reduced the power of the federal courts is my
  19. Science....

    1.If a geologist found two fossils of different species buried next to each other in a rock layer, he or she might hypothesize that the two organisms may have been alive during the same time period. true*** false 2.How do layers B and D compare in age? If
  20. Civics

    What is the truth about the email being sent all around with Obama not holding his hand over his heart during the Pledge of Alleigence. He is pictured along with 3 other people , including Hillary. (they all have their hand over their heart) It stated it
  21. THE AGE OF JEFFERSON TO THE AMERICAN EXPANSION

    Which of the following was true of the Judiciary Act of 1801? A. It expanded the federal court system. B. It was opposed by the Federalists. C. It packed the Supreme Court with Democratic Republicans. D. It reduced the power of the federal courts.
  22. Probability

    Let Θ be a Bernoulli random variable that indicates which one of two hypotheses is true, and let P(Θ=1)=p. Under the hypothesis Θ=0, the random variable X is uniformly distributed over the interval [0,1]. Under the alternative hypothesis
  23. probability

    What is the probability of getting 80% or more of the questions correct on a 10-question true-false exam merely by guessing? probability - Damon, Wednesday, March 6, 2013 at 2:53am Binomial distribution with p = .5 p(10 right) = c(10,10) .5^10 (.5)^0
  24. Geometry-Please check my answers

    I have two questions: If a parallelogram is a rhombus, then the diagonals are congruent- I don't think so in all cases-they can bisect each other and are perpendicular, correct but not necessarily congruent so this should be false? Secondly, A kite is a
  25. Biology

    Hey just wondering if you think my answers right, 1)Biological safety cabinets are not required when working with containment level (blank) materials a) 1, b)2, c)3, d)4 - answer a? 2)Materials in Risk Group (blank) pose the least risk to the individual
  26. English

    Language Analysis Please help me find persuasive techniques/statements in the following article.. I've never done this before, and I've "stewed" over the subject for the last couple of days, but I'm absolutely incensed that the Victorian Government will be
  27. PreCalc!

    sketch a graph whose domain is the interval [0, infinity) but whose domain must be restricted to [0,4] so that the function can have an inverse. (The only one i can think of is a parabola but she said we cant use that one) Consider the 2 statements: I. if
  28. Math

    Samuel is researching what happens during family dinners in his town. He asks five of his friends about a typical evening. Which of the following is not true? 1)His friends are the sample. 2)The population is all families in his town. 3)He used convenience
  29. microeconomics

    If MP of labor is rising, then AV must be rising too. Is this True or False? do some research, then take a shot. Hint: your text probably has a graph with both marginal and average (cost or production) curves. Is there a level where the M curve is rising
  30. Physics

    Answer True or False to each case. Coulomb's law states that the force between static charges Q1 and Q2 is proportional to Q1 Q2. is proportional to the total charge Q1+Q2. is K Q1Q2/r where K is a universal constant. is proportional to 1/r2. is a force of
  31. English ( Another evening at the club)

    1. Why is there no charity in Mithila? A.) No one in the country is need of it. B.) The poor can collect the cast-off C.) jewelry for money. D.)The wealthy are greedy and do not give to the poor. No one is wealthy enough to give to others. 2. Why does Sita
  32. Math

    Suppose f (0) = 9, f ′(0) = 2, and f ″(0) = -4. If df is used to approximate Δf when Δx = 0.01, which of the following would be true? df < Δf df > Δf df = Δf
  33. Science HELP Please

    The following facts are true about Resource A: It grows in nature and takes about five years to reach a mature size. It can be replanted after it is cut down. Resource A is most likely a(n) A inexhaustible resource. B nonrenewable resource. C recycled
  34. Biology

    Which of the following is a NOT function of a vacuole? packing of materials transport of materials storage of materials breakdown of materials I'm confused. I know that vacuoles store materials, in other words, C is not correct since it's true. But the
  35. american government

    I need help on these questions. Sorry if I put too many questions I'm just stuck on these. 1. In the relationship between the U.S. and Japan, the U.S. has put pressure on Japan to increase its involvement in world affairs. a. True b. False I think the
  36. Calculus

    1. Can you identify holiday periods or special events that cause the spikes in the data? 2. What holiday results in the maximum sales for this department? 3. a) Generate linear and quadratic models for this data. b) What is the marginal sales for this
  37. English1

    Underline the correct pronoun of each pair in parentheses. 1. Women (who, whom) raise families do as much work at home as at their jobs. Whom 2. In North America society, it is still mainly women (who, whom) cook dinner, clean the house, check the
  38. English 1

    Underline the correct pronoun of each pair in parentheses. 1. Women (who, whom) raise families do as much work at home as at their jobs. Whom 2. In North America society, it is still mainly women (who, whom) cook dinner, clean the house, check the
  39. English 1

    Underline the correct pronoun of each pair in parentheses. 1. Women (who, whom) raise families do as much work at home as at their jobs. Whom 2. In North America society, it is still mainly women (who, whom) cook dinner, clean the house, check the
  40. English 1

    Underline the correct pronoun of each pair in parentheses. 1. Women (who, whom) raise families do as much work at home as at their jobs. whom 2. In North America society, it is still mainly women (who, whom) cook dinner, clean the house, check the
  41. history essay please help!

    How does the growth of the world's population today compare with its growth 100 years ago? Explain why the changes have taken place. My essay: Today's world population growth compared to the population growth 100 years ago is a big, big difference. The
  42. Psychology

    can anyone help me with this. I can't think of anything or explain to me. Post an example of a simple experiment of your own creation by following this format: I would like to investigate the effects of _____________ on this behavior: _____________. Half
  43. Pyschology

    can anyone help me with this. I can't think of anything or explain to me. Post an example of a simple experiment of your own creation by following this format: I would like to investigate the effects of _____________ on this behavior: _____________. Half
  44. Calculus

    Hello. I'm having problems with a couple of Calculus questions that involve maximums of geometric shapes. The first one is: 1. Find the dimensions and minimum volume of a right circular cone which can be circumscribed about a sphere of diameter 8. What I
  45. history

    The joint-stock company, in which individuals invested and profited in proportion to the number of shares purchased, was the principal instrument of England's overseas expansion. True False [] Question #6 [] TrueFalse [][]Note to teacher: Note from
  46. Government US

    35. All of the following are true of the Head Start program except that it a. began as part of the War on Poverty in the 1960s . CORRECT c. has been weakened by children’s unsupportive environments at home. I DON'T KNOW d. is fully funded at the present
  47. Geography

    What role do natural resources play in the economy of a country? My answer: Natural resources are a major part of world trade. This is especially true of the fossil fuels, since industry relies on them for both power, energy, and raw materials in
  48. safety

    true/false 1) you should never mix bleach with and other chemical. 2) each container of a chemical product and all spray bottles must have satefy information labels. 3)in osha's standards labels rate chemicals with regard to health, fire, and reactivity
  49. maths

    To get an A grade on the test, you need a total score of more than 16 points. One of the students knows the correct answer to 6 of the 20 questions. The rest she guesses at random by tossing a coin (one toss per question,true if heads and false if tails).
  50. history

    Which of the following is true of the Industrial Workers of the World (I.W.W.)? A. It was founded in Russia. B. It made business leaders create new methods to deal with labor issues. C. It had very little influence over the labor movement. D. It was
  51. accounting

    hey guyz, i've got this true/false question about trademark's amortization under U.S GAAP : Begining with 2002, U.S financial statements, U.S GAAP was changed to require amortization of trademarks on the straight-line basis. Did this happen ? if yes, then
  52. Statistics

    The mean of a distribution of 1000 individuals' blood pressure is 85. If this number were translated into a Z score it would be equal to +1 standard deviations. True or False? I know to calculate a Z score the formula is Z= (X-sub-i minus the mean)/
  53. educatial technology

    which of the following statements is true of a time management plan? a. it is a work in progress that will need to be altered many times b. the plan you create is the one you should stick with c. you dont need to schedule breaks or free time d. it isnt
  54. TCCD

    Thirty five percent of adult americans are regular voters. A random sample of 250 adults in a medium size college town were surveyed, and it was...Estimate the true proportion of regular voters with 90% confidence and comment on the results.
  55. Maths A

    Sue was sailing in the area shown on the chart on 3 March 2013. At 9:00 a.m., she sighted the antenna mast on Wellings Island on a bearing of 180°T. Sue also took a sighting to the lighthouse on Abby Island and found it was at an angle of 098°M. (i) Sue
  56. science

    Would iron be considered a substance or a mixture? How about blood? Iron is: http://en.wikipedia.org/wiki/Iron substance is a very general term: See definition 3: http://www.m-w.com/dictionary/substance Now blood is living tissue and as such very complex.
  57. math

    in a triangle /one side is x/one side is x+1/another side is 20/if it is true and what is value of x
  58. HISTORY

    Which of the following is not true about the Greek Bible? it contains 27 documents it’s a document from antiquity it is the only collection of documents produced by the early church it is the canonical Greek Bible of the churc
  59. OCEANOGRAPHY HELP

    The deep oceans can be divided into about 20 separate basins by bathymetric features. Is this true or false. I can't seem to find out the "20" part. I know the bathymetric features part is correct. Please help if you can.
  60. Math 221

    How can I explain how I got the answer. I received the help, but no explanation to how the answer was simplified. 1=1(-7) +b b = 8 In other words, you need to explain what you did to simplify 1=1(-7) + b. This is also true for the perpendicular equation
  61. Pre-calculus

    1)Which of the following results in the graph of f(x) = x2 being expanded vertically by a factor of 4? the answer is f(x) = 4x2. can you explain how. 2)Which is true for the graph of y=(x^2-9)/(x^2-4). the answer is vertical asymptotes at x = ±2 . please
  62. physics

    these values were obtained as the mass of a bar of metal: 8.83g 8.84g 8.82g the known mass is 8.83g the values are both accurate and precise- true or false
  63. Science

    A kitchen ceiling light has five lightbulbs on it. When one of the lights goes out, the other four will stay lit. This is an example of a series circuit. True or False I think FALSE because a series circuit would make them all go out.
  64. Math

    A student got these marks on 7math tests: 91%,75%,95%,,80%,83%,86%,68% What mark will the student need on the 8th test to make each statement true? a)The mean of the tests is 84% b)The mode of the eight tests is 86% c)The median of the eight tests is 84%
  65. Math Help

    Directions: Decide whether the statements are true or false by using partial fraction decomposition. If the statement is false, show the correct way to decompose the partial fraction. 3/x^2+x-2=-1/x+2+1/x-1
  66. algebra

    You are given to equations which are both true, and you are asked to solve for both x and y. you plan o solve this set of equations by substituting part of one equation into the other so you end up with an equation that contains only x’s or on y’s. the
  67. math

    true or false. an aquarium which is 4 ft. x 5 ft. x 3 ft. high can hold 800 gallons of water. (assusme that one cubic foot of space hold 7.5 gallons of water.)
  68. math

    A supervisor finds the mean number of miles that the employees in a department live from work. He finds mc022-1.jpg and mc022-2.jpg. Which statement must be true?
  69. Health data

    One advantage to storing health records is to contract with a commercial storage company for both storage, retrieval, and filing. True False False?
  70. Biology

    Will O2 passively diffuse and bind with hemoglobin that is less than 1mm from the surface of a blood sample? The percent of hemoglobin bound with O2 is different at high (10% CO2) and low (5% CO2) CO2 concentrations when the Po2 equals 0mmHg. Is that true?
  71. windows XP

    On a shared folder, Read permission allows a user to display folder names, filenames, file data, and attributes; run program files; and change folders within the shared folder. True or false?
  72. Chemistry

    True or False? a) wet metallic copper can be rinsed with acetone to help any remaining cation to metal reduction occur b)copper metal is readily oxidized by nitric acid to yield copper(II) nitrate
  73. physics

    1)Specular reflection obey the laws of of reflection while diffuse reflection does not? false. They both obey 2)A convex mirror forms a virtual, diminished, and upright image for all real objects regardless of the location of the object. true
  74. english

    i not know how to expand my thought on love. i now realize that love not be unconditional. this only exist in fantasy, but in real life it not like this because you not be able to sacrifice yourself for someone else's sake, especially if they are doing a
  75. Criminal Law

    Should someone be force to testify or why should they testify even if they are under oath? I thought that the 5th or 6th amendment protects a person from testify even if they have nothing to hide. Is this true? Which amendment give an individual the right
  76. biology

    Will O2 passively diffuse and bind with hemoglobin that is less than 1mm from the surface of a blood sample? The percent of hemoglobin bound with O2 is different at high (10% CO2) and low (5% CO2) CO2 concentrations when the Po2 equals 0mmHg. Is that true?
  77. infants and children

    Which of the following is true? Fertilization usually takes place in the uterus. Women can get pregnant only on the day of ovulation. Males produce an average of 300 million sperm a day. Sperm survive for only one day after intercourse
  78. Math

    For a class test, the mean score was 65, the median score was 71 and sthe standard deviation of the scores was 7. The teacher decided to add 5 points to each score due to a grading error. Which of the folloiwng must be true for thenew scores? TH
  79. Statistics

    When creating histograms, which is true statement? a) Form classes of equal width b) Alwyas form frequency groups that do not overlap c) Establish between five and 15 frequency groups d) All of the above.
  80. physics

    True/False (#1 only) 1)The horizontal motion of a horizontally launched projectile affects its vertical motion. False 2)The path of a projectile through space is called its. Trajectory
  81. chemistry

    Which of the following is true of the solubility product constant? A. It is the product of the initial concentrations of the ions in a solution. B. It is an equilibrium constant. C. It is an equilibrium position. D. Its value changes in the presence of a
  82. chemistry help

    Which of the following is true of the solubility product constant? A. It is the product of the initial concentrations of the ions in a solution. B. It is an equilibrium constant. C. It is an equilibrium position. D. Its value changes in the presence of a
  83. physics

    A body hangs from a spring balance supported from the roof of an elavator. If the elavator has an upward acceleration of 3m/s2 and the balance reads 50N, what is the true weight of the body?
  84. Math

    Each letter in the subtraction problem below represents a different digit from 0 through 9.The digits 3 and 5 don't apear. replace each letter so the subtraction problem is true. GRAPE - PLUM =APPLE
  85. algebra 1

    Label each statement true or false if false correct the underlined portion.If -4<-2t+6<10,then this is the underlined 2>t+6>-5. If this is underlined |y+8|+2=6,then this not underlined y+8=_+4. Translate and solve. the absolute value of three
  86. English

    Nick finds our that he and Gatsby knew each other from? college the war the stock market college? Gatsby's books in his library are for show. True or False? False?
  87. general

    According to Gardner, intelligence quotient (IQ) is the only barometer as to how students will succeed outside of school. A. The statement is true. B. The statement is false. C. The statement did not originate from Gardner. D. The statement is partly
  88. science

    What would a counter-example be in math? a.an example that proves the conjecture wrong b.an example to show the formula is wrong c.a very nice granite kitchen-top surface d.an example to show the conjecture is true
  89. Algebra II

    I have a question- The range of y = 1/(x-5) is All real Numbers True or False I think it is false because it should be all real numbers except y shouldn't equal 0. Is that correct or don't I understand it-Please explain if I'm wrong. Thanks
  90. Math

    write the converse and contrapositive for the conditional statement below. decide whether each of the three statements is true or false. provide a counterexample for any false statement. If n is a prime number, then n+1 is an even number
  91. PH103

    A good way to establish a conclusion as true, or probable, is to A)insist that you are correct. b)construct a strong argument. c)construct a fallacious argument. d)ignore any objections to your conclusion I think it is b, can you help me to be sure.
  92. Math

    write the converse and contrapositive for the conditional statement below. decide whether each of the three statements is true or false. provide a counterexample for any false statement. If n is a prime number, then n+1 is an even number
  93. SS7R - HW Qs. Check

    TRUE OR FALSE When the settlers who favored slavery met settlers who were against slavery in Kansas, much fighting and killing resulted. answer - false am i correct?????
  94. Calculus (Limits)

    Let f be defined as follows, where a does not = 0, f(x) = {(x^2 - 2a + a^2) / (x-a), if x does not = a 5, if x = a Which of the following are true about f? I. lim f(x) exists as x approaches a II. f(a) exists III. f(x) is continuous at x = a. A. None B. I,
  95. Science

    Which of the following is true about the single-celled paramecium? A. It is an example of a higher form of animal B. It has life functions similar to ours C. It lacks the ability to circulate D. It lacks life functions
  96. geometry

    I relly need help on this question. "Determine whether the conjecture is true or false.Give an example if its false". Given: angle ABC,angle DBE are congruent. Conjecture:They are vertical angles.
  97. managerial economics

    Consider this statement: “Conservationists want to save too many spotted owls.” Use graphical analysis accompanied by a concise narrative discussion to explain circumstances under which this statement would be true. Make sure your graphs have clearly
  98. US History

    Why is it not true that the US remained isolated from world events in the late nineteenth century? Describe some specific instances of American involvement beyond its own shores between 1865 and 1900. I have two examples but i need a third. Immigration and
  99. statistics

    Computer Services wants to estimate the mean number of hours college students use on campus computers each day. They want to be within .1 hour of the true value with 99% confidence. From a previous study, the standard deviation is assumed to be .6 hour.
  100. English - The Red Badge of Courage

    1.Why did the youth enlist? (1 point) He was eager to join the war.***** He was drafted. He wanted to avenge the death of his friend. 2. From what point of view is the story told? (1 point) first-person point of view third-person limited point of view*****