1. Algebra

    Tell whether the each statement is sometimes, always or never true 1) If n is zero then x^-n is 1 2) If n is negative integer then x^-n=1 3) If x is zero then x^-n is 1 4) If n is an integer then x^-n>1

    asked by Raj on December 13, 2014
  2. Trig

    True or false? tan x = tan(x-6pi)

    asked by Jay on January 24, 2013
  3. math

    if absolute value of x-6 is greater than or equal to 4 which of the following must be true? A) absolute value of x > 10 B) x > 10 C) x < 2 D) x > -2 E) none of the above

    asked by Tami on October 19, 2007
  4. Calc 1

    True or False. Explain. If lim f(x)=L x → a^+ then lim f(x)=L x → a^-

    asked by TayB on June 9, 2015
  5. math

    every diameter of a chord is a chord. A TRUE B FALSE

    asked by kakashi hatake on February 12, 2017
  6. math

    true or false? the function f-1 (x)-x/9 is the inverse function of f(x)=9x

    asked by Altagracia on May 31, 2011
  7. math

    what is the true pattern not the simple pattern! 1, 0.5, 0.25, 0.125

    asked by Mackenzie on January 29, 2008
  8. French

    is it true that nananananana batman in french is Que ce que ce que ce que ce batman?

    asked by BATMAN on February 10, 2013
  9. math

    true or false 1 to the negative fifth power=(-1) fifth power

    asked by Bryan on November 2, 2010
  10. cars

    Which one of these statements is true about a "bumper-to-bumper" warranty.

    asked by Anonymous on April 4, 2013
  11. Substance Abuse

    only certain people can become alcoholics? True or False. I think Its False?

    asked by Linda on November 24, 2010
  12. Calc 1

    True or False. Explain. If lim f(x)=5, x → a then lim (f(x))^2=25 x → a

    asked by TayB on June 9, 2015
  13. Arthimetic

    The following sequence is arithmetic. 2, -2, 2, -2, 2, True or False I believe it's false

    asked by Nessa on October 19, 2011
  14. Math

    True or False: 7/10=12/15 is a proportion. I wrote down False. Am I right?

    asked by Losa on September 23, 2012
  15. math

    Initially two painters are available to paint a picket fence. Peter alone could paint the fence in 6 hours; Pat alone in 3 hours. It is decided that they will work simultaneously to paint the fence. Before they start, however, along comes Mary, who alone

    asked by borat on April 28, 2013
  16. business

    1.21 Three professors at Northern Kentucky University compared two different approaches to teaching courses in the school of business (M. W. Ford, D. W. Kent, and S. Devoto, “Learning from the Pros: Influence of Web-Based Expert Commentary on Vicarious

    asked by lou on December 15, 2012
  17. business

    1.21 Three professors at Northern Kentucky University compared two different approaches to teaching courses in the school of business (M. W. Ford, D. W. Kent, and S. Devoto, “Learning from the Pros: Influence of Web-Based Expert Commentary on Vicarious

    asked by lou on December 16, 2012
  18. business

    1.21 Three professors at Northern Kentucky University compared two different approaches to teaching courses in the school of business (M. W. Ford, D. W. Kent, and S. Devoto, “Learning from the Pros: Influence of Web-Based Expert Commentary on Vicarious

    asked by lou on December 16, 2012
  19. business statistics

    1.21 Three professors at Northern Kentucky University compared two different approaches to teaching courses in the school of business (M. W. Ford, D. W. Kent, and S. Devoto, “Learning from the Pros: Influence of Web-Based Expert Commentary on Vicarious

    asked by sherry on November 20, 2012
  20. STATa

    random sample of 50 four year olds attending daycare centers provided a yearly tuition average of 3987$ and the population standard deviation of $630. Find the 90% confidence interval of the true mean

    asked by Anonymous on November 22, 2017
  21. Maths

    Let+OA+OB+OC+and+OD+be+the+Rays+in+the+anti-clockwise+wise+direction+starting+from+OA+such+that+%3CAOB%3D%3CCOD%3D+100degree+%3CBOC%3D82degree+and+%3CAOD%3D78degree.is+it+true+that+AOC+and+BOD+are+straight+line+%3F+Justify+your+answer

    asked by Esha on August 12, 2016
  22. us history

    the arid and difficult conditions of the landscape rather than new land laws passed to assist settlers were more important to shaping the emerging institutions of the american west in the later decades of the 19th century true or false?

    asked by cliff on April 18, 2010
  23. statistics

    An organization sends a random sample of surveys to 100,000 people and received 4,781 responses. A) Give a 95% confidence interval for the true proportion of those from their entire mailing list who may donate.

    asked by Shane on December 6, 2012
  24. history

    Which of the following are true statements about the Fall Line? Choose All That Apply A.It marks the northern edge of the Piedmont. B.It is the last natural barrier for rivers on their way to the Atlantic. C.Many cities have developed along it. D.It

    asked by peevie on August 14, 2014
  25. english

    i am reading a book called to kill mockingbird chapters 1 & 2 so like we have to do a crossword puzzle and i need help with 6 questions. so 1. scout 2.accept as true 3.to satisfy or appease 4.lack discretion; unwise 5. suffering from heat 6.sisfied

    asked by alvina on January 26, 2011
  26. vector

    For any two numbers a and b, the product of a−b times itself is equal to a2−2ab+b2. Does this familiar algebraic result hold for dot products of a vector u − v with itself? In other words, is it true that (u − v) • (u − v) =

    asked by sarah A on April 12, 2010
  27. Georgia Geography

    Which of the following are true statements about the Fall Line? Choose all that apply. A) It marks the northern edge of the Piedmont. B) It is the last natural barrier for rivers on their way to the Atlantic. C) Many cities have developed along it. D) It

    asked by Scarlet on August 9, 2016
  28. physics-ASAP

    a crate on a frictionaless plank inclined at angle theta with respect to the horizontal. Which of the follwing relationships is true? (assume that the x-axis is parallel to the surface of the incline) a)Fy = Fg b)Fx=0 c)Fy=Fx d)none of the above *my answer

    asked by carol on February 14, 2011
  29. Environmental science

    here are a few questions i'm stuck on: 4. Humans affect the carbon cycle by a. burning fossil fuels b. burning wood c. driving vehicles d. all of the above D? 10. Which of the following is an example of ecological succession? a. a planted shrub growing on

    asked by y912f on January 5, 2010
  30. Math

    can you help i dnt know what to do so could you tell me how to solve it 1. every weekend, Phil drives from his home to his favorite amusement park, a distance of 60 miles. a. If he averages 40 mph for the first half of the trip, what must his average speed

    asked by howard on December 31, 2012
  31. STATISTICS

    In a cross-sectional study of heart disease and gender in middle-aged men and women, 10% of men in the sample had prevalent heart disease compared with only 5% of women in the sample. After adjusting for age in multivariate logistic regression, the odds

    asked by Susie on August 6, 2013
  32. 2 Stats Questions

    Which of the following statements is not true about samples that can be treated as matched pairs data? I. Data collected on these samples is analyzed by calculating the differences between paired observations and using that data in one sample tests. II.

    asked by Meep. on January 22, 2013
  33. Statistics

    Which of the following statements is not true about samples that can be treated as matched pairs data? I. Data collected on these samples is analyzed by calculating the differences between paired observations and using that data in one sample tests. II.

    asked by Bob on January 24, 2013
  34. Math

    Shelly compared the number of oak trees to the number of maple trees as part of a study about hardwood trees in a woodlot. She counted 9 maple trees to every 5 oak trees. Later in the year there was a bug problem and many trees died. New trees were planted

    asked by Katherine on September 19, 2013
  35. History

    Which of the following New Mexican groups has a slightly above-average population by percentage as compared to the entire United States? A)African Americans B)Asians C)native-born citizens D)retirees Why do the Pueblo peoples most likely view Chaco Canyon,

    asked by Trish on August 30, 2015
  36. Statistics

    I am struggling with how to answer this. It seems not enough information is given so it is really hard to agree or to disagree. (this is uni statistics) Assume you are the Store Manager for Coles in Wagga at the beginning of December 2012. An accountant in

    asked by Lucinda on March 11, 2013
  37. Literature

    Answer the questions about the following excerpt 1.The passage begins with the following lines: "Jane, be still; don't struggle so, like a wild frantic bird that is rending its own plumage in its desperation." These lines can best be described as

    asked by Eugene on October 25, 2018
  38. PROGRAMMING

    1. Make a C program that will input two integers and then to enter an option as follows: • 1 = to add the two integers. • 2 = to subtract the second integer from the first. • 3 = to multiply the integers • 4 = to divide the first integer by the

    asked by ME-ANN on September 28, 2014
  39. science

    Which of the following characteristics are true for both plants' and animals' reproduction? A. alternation of generation B. They carry hereditary material from parent. C. characterized by sexual reproduction D. The offspring looks identical to its parents.

    asked by a dog on March 14, 2018
  40. economics

    The Law of Large Numbers explains why it is unlikely that the actuarially fair premium for an insurance policy will be the same for a small start-up firm as it will be for a large employer such as a university. True or False

    asked by Dolly on March 17, 2014
  41. Economics

    who knows how to measure the true cost of a pint of B-Positive blood? A.None of these B.Any competent medical authority C.Only the Surgeon General of the United States D.An economist E.A clerk at the blood bank

    asked by Hayli on October 12, 2010
  42. DrBob222

    Everyone's help is greatly appreciated. I have put alot of thought into all of my answers, I may have used the incorrect formula or what have you but it happens. Now that I got that out of the way here goes the questions: True/False A wave's amplitude

    asked by Jon on April 5, 2008
  43. history

    True/false and if false change the word in ( ) The process of handing out jobs to one's supporters is known as the (citizen system) During the american revolution, the (hessians) remained loyal to england.

    asked by krystal on May 24, 2011
  44. Economics

    Correct me if I am wrong, if a country's currency appreciates, foreign goods are relatively cheaper than domestic goods, so imports increases and export decreases. And if depreciates, the opposite is true?

    asked by remy on May 19, 2008
  45. Math

    For questions one into write the metric unit that makes the statement true. 1. 517.3 km=_____m A.51,730 B.517,300 C. 51.73 D.0.5173 2. 7,018 mm=7.018__ A.km B.m C.dm D.cm I think that #2 is not c mabby a? And #1 I don’t know

    asked by Help plz on October 29, 2017
  46. Physics

    ______1. Which of the following is NOT true about a stone dropped from the third floor of the high school building? A. It is a free-falling object. B. It accelerates at the rate of 9.8 m/s2. C. It decelerates at the rate of 9.8 m/s2. D. Its initial

    asked by Joshua on November 29, 2010
  47. English

    which of the following statements about american romantic poetry is not true? A)it followed a fixed rhyme scheme B)its themes originated in British literature C)it was influenced by Gothic literature D)it was filled with emotion

    asked by sam on October 31, 2013
  48. Physics

    1)The polarity of an electromagnet can be determined using the second right-hand rule. true. 2)Current passing through a conductor is increased from 10 A to 15 A. This decreases the strength of the magnetic field produced by the conductor. false.

    asked by Jon on April 11, 2008
  49. Help Please

    All of the following statements about learning are true EXCEPT: A. Your bedroom is not an ideal place to study. B. Self discipline is the key to successful studying. C. Some people can learn while watching TV. D. Persistence is essential to learning. i

    asked by xleogirlx on November 3, 2013
  50. statistics

    A food manufacturer samples 7 bags of pretzels off the assembly line and weighs their contents. If the sample mean is 14.2 oz and the sample standard deviation is 0.60 oz., find the 95% confidence interval of the true mean.

    asked by Anonymous on March 16, 2014
  51. Managerial Economics

    If demand increases while supply decreases for a particulargood; 1. its equilibrium price will increase while quantity of the good produced and sold could increase, decrease or remain constant.. Is it true?

    asked by Azim on July 25, 2008
  52. statistics

    the true value of the population parameter is marked on each histogram,compare the bias of these estimates,and based on the performance of the three statistics in many samples,which is preferred as an estimate of the parameter?justify your answer.

    asked by shannon on December 8, 2011
  53. COM220

    Is this a good thesis statement," It is true that, negative thinking can cause stress,anxiety,and anger. On the other hand,if we change the way we think about a situation it will help to have a positve impact on how to overcome negative thoughts".

    asked by Demillia on May 8, 2008
  54. stats

    How many students must we sample if we want to be within 4% of the true proportion of female students at DeVry University when using a 95% confidence interval? I was told last night that there would be an answer in a couple of hours??????????????????????

    asked by theresa on October 7, 2010
  55. Chemistry

    4) Which of the following is the most effective buffer system for a pH value of 4.45? a. H2CO3/HCO3- (K1 = 4.4 * 10-7) b. HCO3-/CO32- (K2 = 4.7 * 10-11) c. H2S/HS- (K1 = 1.0 * 10-7) d. HC2O4-/C2O42- (K2 = 5.0 * 10-5) e. H3PO4/H2PO4- (K1 = 7.5 * 10-3) I

    asked by George2 on May 18, 2010
  56. eng

    true or false act 1 1 Macbeth has just defended Kingduncan in a war. 2 the title,the thane of Cawdor, was given to Macbeth 3 Banquo notices Macbethsuneasy reaction to the witches' prophecies

    asked by melissa on February 2, 2010
  57. Discrete Math

    Could someone help me with this induction proof. I know its true. given then any integer m is greater than or equal to 2, is it possible to find a sequence of m-1 consecutive positive integers none of which is prime? explain any help is greatly appreciated

    asked by Kai on March 27, 2007
  58. con't -literature

    Let me not to the marriage of true minds Admit impediments. Love is not love Which alters when it alteration finds, or bends with the remover to remove: from Sonnet CXVI by William Shakespeare

    asked by Chris on July 1, 2009
  59. History8

    Which of the following statements about John C. Calhoun is TRUE? a. He supported strong central government. b. He opposed the War of 1812. c. He was a close ally of Daniel Webster. d. He supported slavery. a?

    asked by mathidislikeperson on January 17, 2014
  60. Algebra

    Hi, can somebody help me make some equations? I need 3, one true, one false, and one open that includes 2-3 steps. I know what it means but I don't know how to make a decent one, it's supposed to be for my classmates to review and I'm not good at making

    asked by Fading on October 4, 2016
  61. Biography

    I'm currently doing a project on Steve Jobs and one of the question ask "Name of the product or service they created or provide". Would it be true if I put that he created iPhone,iPad, and iPod? Or not because he don't create them but the worker does.

    asked by Shadow on September 11, 2011
  62. Chemistry

    An air bubble is present in the stopcock at the start of the titration but is passed out during the titration. Would this error make your calculated molarity of zinc ions higher or lower than the true value? Thanks!

    asked by Joantense on February 28, 2012
  63. sociology

    According to Max Weber, rational motives are easy to understand and predict because ends and means can be calculated and behavior changed on the basis of experience. True False I think false..maybe...help

    asked by urgent on September 23, 2011
  64. Calculus

    Suppose that f (x) is a function such that the relationship given below is true. f (3 + h) - f (3) = 9h^2 + 8h (a) What is f '(3)? (b) What is the slope of the secant line through (3, f (3)) and (7, f (7))? Please do not use shortcuts(from future chapters)

    asked by catherine on September 15, 2010
  65. calculus

    Suppose that f (x) is a function such that the relationship given below is true. f (3 + h) - f (3) = 9h^2 + 8h What is the slope of the secant line through (3, f (3)) and (7, f (7))? I am stuck on this one , tried every thing in the world. i don't know how

    asked by catherine on September 15, 2010
  66. Physics

    If you could reach absolute zero then? A) The system falls into quantum ground state B) The system will have an entropy of zero C) Molecules will not overlap, D) Particles will continue to move E) There is still zero-point energy Are all of these true?

    asked by Derek on June 2, 2012
  67. Business, help asap!

    here is the case. While in Australia, you discover a raspberry jam with incredible flavour. You know Canadians would enjoy this product, so you import it. The jam sells in stores for $5.00 a jar, a slightly higher price than standrad jam. The Canadian

    asked by Victoria on January 7, 2009
  68. Psychology

    What is the independent and dependent variable in this scenario: A Physiological Psychologist is interested in investigating the effects of a new anti-anxiety drug on maze running behaviour in rats. A pool of rats is divided into two groups. One group of

    asked by Lilley on October 8, 2013
  69. Statistics .05 level

    According to a survey conducted in October 2001, consumers were trying to reduce their credit card debt (Extracted from M. Price, “Credit Debts Get Cut Down to Size." Newsday, November 25, 2001, p. F3). Based on a sample of 1000 consumers in October 2001

    asked by Student on August 12, 2008
  70. Geometry

    31.Identify the Hypothesis of the statement below. If you are riding on a train, then it will stop at every station on the line. A.You are riding on a train B.It will stop at every station on the line C.You are not riding on a train D.It will not stop at

    asked by Sarah on June 2, 2016
  71. Psychology

    If you could please write the answers to those questions. I am confused because for me they all match to multiple answers. Thanks a lot Early Childhood Development Each of the following scenarios illustrates the development of specific skills.

    asked by Mikw on November 26, 2009
  72. Biology

    During the cell cycle, if the cell detects that mistakes have been made in replication, the cell may die by apoptosis. True/False

    asked by Jaxon on January 29, 2012
  73. Polynomials

    State whether the following equations are sometimes, always or never true. a) a^2-2ab-b^2= (a-b)^2, bis not equal to 0 b) a^2+ b^2= (a+b)(a+b) c) a^2-b^2= a^2-2ab+b^2 d) (a=b)^2 = a^2+2ab+b^2 I don't understand what these questions are exactly asking.

    asked by Lucina on January 10, 2015
  74. math

    A Clock is set right at 10am.the clock gains 10 minutes in 24hours.what will be true time when the clock indicates 3pm the following day.

    asked by Rehan on December 29, 2016
  75. phy

    is that true a block on a flat surface. The normal force on the block and weight of the block make up a third law pair.

    asked by ami on September 18, 2010
  76. geometry

    Refer to the following statement: Two lines are perpendicular if and only if they intersect to form a right angle. A. Is this a biconditional statement? b. Is the statement true? this is what I put a. yes b. yes

    asked by alan on October 3, 2007
  77. Maths

    A clock is set right at 10AM.The clock gains 10 minutes in 24 hours. What will be the true time when the clock indicates 3PM the following day ?

    asked by Ash on December 28, 2016
  78. Science

    4. Which of the following is true about all of the outer plants? a. Much of the material in these plants is solid. b. The surface of these plants is rocky. c. They have many moons. d. They all rotate in the same direction.***

    asked by Luna on October 23, 2018
  79. u.s history

    is it true or false that the presidential election of 1908 saw the emergence of new third party,the progressive party,also known as the bull moose party?

    asked by linzey on December 11, 2012
  80. Credit Cards

    credit card's lyk bank loan cause bank pays store and u pay bak bank. true right?

    asked by Anonymous on January 19, 2011
  81. statistics

    A normal distribution has a mean of 20 and a standard deviation of 2. If you convert every score in the distribution to Z scores, which of the following statements would be true of the resulting distribution?

    asked by Anonymous on September 29, 2011
  82. Science

    4. Which of the following is true about all of the outer plants? a. Much of the material in these plants is solid.*** b. The surface of these plants is rocky. c. They have many moons. d. They all rotate in the same direction.

    asked by Luna on October 23, 2018
  83. MATHS

    A clock is set right at 10PM. the clock gains 10 minutes i 24 hours. What will be the true time when the clock indicates 3PM the following day.

    asked by TEJ VEER SINGH on December 28, 2016
  84. genetics

    DNA markers, or variant non-coding regions of DNA, are DNA polymorphisms that are useful for genetic mapping. True False

    asked by Lucy on March 23, 2015
  85. Math

    Congresswoman Smith opened the Post and saw that a bean-counting scandal had been leaked to the press. Outraged, Smith immediately called an emergency meeting with the five other members of the Special Congressional Scandal Committee, the busiest committee

    asked by Bailey on September 2, 2016
  86. Physics

    1. a car traveling on a dry road with a velocity of +32.0m/s. The driver slams on the breaks and skids to a halt with an acceleration of -8.00m/s^2. on an icy road the car would have skidded to a halt with an acceleration of -3.00m/s^2. how much further

    asked by Amy on October 12, 2010
  87. English

    Can you please tell me if the term "overreacher" is appropriate is sentence 4 and if the word choice in the other sentences is correct? I need your help in expressing 5-6. 1) When considering your dissertation there is a link to the theme of the double

    asked by Henry2 on July 5, 2011
  88. english

    1. Read the following sentence. The cars passing by are filled with commuters. Which of the following sentences is NOT true? (1 point) The sentence includes a present participle. The participial phrase modifies the word commuters. The participial phrase is

    asked by Angela Myers on May 8, 2012
  89. test

    grammar --verbs ) a helping verb is the verb that help the main verb make its statement(true or false)

    asked by nina on October 21, 2010
  90. math

    A square martix A is said to be idempotent if A=A^2. The only real numbers that are idempotent are 1 and 0, but this is not true for martices. Find a 2x2 idempotent other than 1 or 0.

    asked by jim on November 25, 2010
  91. 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?

    asked by Casey on July 8, 2014
  92. Geometry

    Question: If a ray divides an angle into two supplementary angles, then the original angle is a straight angle. True?

    asked by Robert on August 21, 2015
  93. 5th grade

    Which of the following is a true statement, Carolyn spent 3/4 of an hour on her math homework, 5/6 of an hour on history, and 5/12 of an hour on science.

    asked by Anonymous on February 15, 2010
  94. Int.science

    When a motor is turned on, electrical energy is transformed to mechanical energy plus heat energy. True False

    asked by Casey on November 21, 2014
  95. math 5th grade

    Carolyn spent 3/4 of an hour on her math homework, 5/6 of an hour on history, and 5/12 of an hour on science. Which of the following is a true statement; a.)5/6

    asked by Anonymous on February 15, 2010
  96. math

    Let a be a positive number. If the product abc is negative, which statement must be true? A. bc is greater than 0 B. bc uis less than 0 C. ac is greater than 0 D. ac is less than 0 E. ab is greater than 0

    asked by Kory on August 22, 2012
  97. math

    Factor: x^3 - 3/4x - 1/4 The answer is: (x - 1)(x + 1/2)^2 How do I learn to do that? I'd like to reread an appropriate chapter from an appropriate textbook and do practice problems. It takes experience and practiced eye. Algebra books have chapters on

    asked by mathstudent on January 2, 2007
  98. law

    A senior federal agent is assigned as the division training officer responsible for providing/coordinating in-service training for the agents in the division along with the local police officers assigned to work on a federal task force. You are assisting

    asked by Anonymous on August 9, 2007
  99. ap chemistry

    did i answer the question: Explain how one of the major concepts learned in CHM 111 applies to everyday life. One major concept that was learned in CHM 111 that applies to everyday life is stoichiometry. Stoichiometry is founded on the law of conservation

    asked by edward on January 11, 2015
  100. English

    1. In "The Scarlet Ibis" which character trait of the narrator most leads to his regret at the death of his brother? a. generosity b. creativity c. cruelty d. pride*** 2. Cause - There is a concern about global warming and the damage it is doing to the

    asked by Kaai97 on January 28, 2016