1. chemistry

    An equilibrium is dynamic. true or false

    asked by Marissa on December 17, 2014
  2. math

    Given A={1,2,3} and B={2,{3}}. Determine whether each of the following statements is TRUE or FALSE. a) ∅ C B b) B C A c) {3} C A d) {2,3} C A e) {2,{3}} ∈ P(B) f) | P(B) | = 4 g) {0,1} c A

    asked by roze on October 30, 2016
  3. geometry

    if n is a prime number than n +1 is not . True or false

    asked by jessica on September 8, 2011
  4. math

    Determine whether the equalities are true or false. 1.√2 /2=√(10 /20) 2.√11 /24=24/√11 3.2/∛3=(2/√9)/3 4.1/√2 =√2 /2

    asked by Andrea on April 3, 2018
  5. math (caculus limits)

    If for every ε > 0 we can find a δ > 0 such that if 0 < |x − a| < δ then |f(x) − L| < ε, then we can say lim x→a f(x) = L. true or false?

    asked by earl on October 2, 2016
  6. Science

    Could you make sure I'm correct? What is true of the work of all scientists? scientists ask testable questions and devise ways to answer those questions through experimentation or observation

    asked by Makenzie on August 19, 2014
  7. Math Check Pleas Thank You

    1. Which of the following numbers is an example of an integer? ­15 * 0.252525 . . . 3/5 (fraction) Square root of 7 2. Which statement is false? Every integer is a real number. The number zero is a rational number. Every irrational number is a real

    asked by YOLO on September 16, 2015
  8. Algebre=Please check

    Could someone check my answers for these two questions, please? What is the equation of the line which includes points (2,6) and (0,0) y = -3x+1 y = -3x y=3x ( my answer) y = 3x+1 Equation of line with slope m = -3 and including point (5,) is y = - 3x+20 I

    asked by Jackie on January 13, 2011
  9. statistics

    do all populations- micheline tires, voters, people with high blood pressue...- produce a normal curve? True or False Is this false because all samples produce normal curves and not the populations, and don't you have to have a range of values and

    asked by Sophie on November 21, 2008
  10. Science check

    Water in the upper zones of the ocean will have more oxygen than water in deeper zones. true or false i think true.

    asked by Danny on February 27, 2015
  11. Mental & Emotional Promblems

    mental or emontional promblems may cause physical promblems True or False i put put true ,am im correct?

    asked by Douglas on October 16, 2015
  12. chemistry

    In order to determine the number of atoms in a compound, you must know the number of atoms in a representative particle of the compound. True False i think false

    asked by Drew on November 10, 2012
  13. Social Studies

    1. What do colonialism and imperialism both require? A. one country giving money to another B. 2 countries sharing resources** C. 2 countries working together D. one country ruling another country 2. What did West Africans trade to North Africans in

    asked by Hannah on October 9, 2015
  14. Science

    PLEASE CHECK MY ANSWERS!! I AM SOO FAR BEHIND IN THIS CLASS! 1. Which of the following describes the effect of high altitude on climate? Rain is very rare Flooding is more likely Temperatures are lower

    asked by Kristen on November 21, 2018
  15. statistics

    A multiple choice test has 20 questions with each having 4 possible answers with one correct. Assume a student randomly guesses the answer to every question. 1) What is the probability of getting exactly 9 correct answers? 2)What is the probability of

    asked by please help me! on March 23, 2010
  16. geometry

    True or false? a!(b!c!) = (a!b!)c! I think its true...?

    asked by Jenny on July 1, 2010
  17. biology

    True false I think it true

    asked by Avi on October 2, 2007
  18. History

    1) Which of the following best describes Affirmative Action? a) It was a way to fight corruption within the US government. b) The actions taken to instill new anti immigration laws. c) Of solving economic and educational discrimination. d) Of solely

    asked by Rebecca on May 13, 2015
  19. chemistry

    The acid dissociation constant, Ka, for this reaction is given by the following formula (this is also in your book): Ka=[H3O+][A−][HA] The acid concentration, [HA] is given in the introductory information of this problem. Using this information and your

    asked by sarah on May 4, 2014
  20. science

    Al + Fe^3+ -> Al^3+ + Fe^2+ which substance is being oxidized?which is being reduced? which substance is oxidizing agent? reducing agent? how many electrons are exchanged in the reaction above? also: why is Fe^3+ not reduced to Fe? Oxidation is the loss of

    asked by michelle on January 3, 2007
  21. Greece

    4) THe Aegean Sea \occupies a graben, an area of land that has dropped down between two faults. True or False my answer: True 5) Mountans in Greece A) are densely populated B) make difficult travel C) have good farmland D) all of the above my answer: B 8)

    asked by 12-year-old-poet on February 3, 2012
  22. math

    A student takes a multiple choice quiz with 12 questions and 5 alternatives per question. Unfortunately, this student has no idea what any of the answers are, so he randomly selects an alternative for each question on the exam. Using this “blind

    asked by jordan on September 24, 2015
  23. English

    PLEASE HELP!!! Please check my answers!! I'm not sure about a few of them, but i marked the answers that I think are correct. 1. In Act IV of Romeo and Juliet, what is Friar Lawrence’s advice to Juliet concerning her parents’ wishes that she marry

    asked by Becca on March 17, 2016
  24. To Corie

    Do NOT post answers to other students' questions unless you are prepared to explain thoroughly. Simply giving away answers doesn't help anyone learn anything! Failure to adhere to this is a good way to get yourself on the banned list.

    asked by Writeacher on February 6, 2013
  25. Chemistry

    what element behaves as tghe oxidizing agent in the following equation and what element behaves as the reducing agent? sn2+ + 2Ag------> sn + 2 Ag+

    asked by Anonymous on October 9, 2011
  26. beginning chemistry

    The problem says indicate the the number of sig. figs. that should be present in the answers to the following problem without solving the problem. 0.70 x 7.00 x 6.880= What is a sig.fig. and how can you find them without solving the problem? It doesn't

    asked by Kimmi on September 19, 2007
  27. Final-Chemistry

    I have finals coming up in a week and a half. I know I should have started studying earlier, but I just had an exam in my chem class and was focused on getting the information for that exam mastered before I started studying for the final. Now, I'm

    asked by Katherine on November 30, 2009
  28. english

    Which of the following is NOT true of an in-text citation? A basic in-text citation consists of the source author’s last name and page to show the source of the direct quote The page number has the word “page” or “p.” before it. The in-text

    asked by Robb4301 on February 2, 2015
  29. Math

    I'm having alot of problems with the problem. I don't want the answer but I need to know how to figure it out to get the answer. To put it in another way I don't know where to start. A farmer takes to market in her cart, but she hit a pothole, which knock

    asked by NESSA on September 16, 2007
  30. Math

    1. Does the graph represent linear relationship? Why or why not? 2. Are the slopes of the lines the same or different? How can you tell? 3. Is the statement true: Line P has a greater slope than line Q -true -false 4. How many solutions does this system

    asked by Lilly on March 14, 2018
  31. 7TH GRADE MATH

    If the radius of a cylinder is 1.8 meters and its height is 7 meters, the volume of the cylinder is approximately 71.2 cubic meters...true or false I say false because shouldn't it be 71.2 cubic 3? Am I correct?

    asked by Daniel on May 19, 2013
  32. Japanese langauge help

    I have marked my answer with a ★, if I am wrong could you please give me the correct choice and explain if you will? I was really confused on these types of questions. Comparative sentences usually use the words: "ほう" and "方"? True

    asked by Kirito on January 14, 2014
  33. science URGENT so need help

    PLS HELP ASAP True or False 1. If a 40 kg person is accelerating at 10 m/s2, then the magnitude of the force acting on him or her is 400 N. (1 point) true false Multiple Choice 2. How much force is needed to make a 60 kg object accelerate at a rate of 2.0

    asked by TTR+S&lt;3 on March 13, 2014
  34. Geography

    What factors have proved Malthus' theory to be true? A. Cultivation expands arable farmland. B. Mechanization of agricultural production. C. Improved strains of seed are developed and more fertilizers are used. D. Famine, Drought, and Natural Disasters

    asked by Geo on October 30, 2015
  35. Math

    decide on a topic which is adding more clubs for which they would like to collect data and design a survey for school which could really be used to convince the principal to do. Create 5-7 questions for the survey.

    asked by Emily on November 19, 2012
  36. Math

    Hi! I need help with these two questions. Thanks! :) 1.) Can we multiply the Matrix A (which is 3 x 4 matrix) by the other matrix, Matrix B (which is 3 x 4 matrix)? True Or False? 2.) When we multiply the 6 x 3 matrix by the 3 x 1 matrix, the final matrix

    asked by Emily on March 26, 2015
  37. college algebra

    , for this problem f(x)=3x^2-6x-7,what is the minimum value and where do it occurs, and what is this functions domain and range?

    asked by mary on January 17, 2012
  38. Statistics

    A paper manufacturer claims that fewer than 1 in 100 of its reels (2 ton rolls) of paper is flawed. A customer has just received a large shipment of these reels and proceeds to check a random sample of 600 of them for flaws. Of this sample, 14 reels are

    asked by Jason L on February 26, 2007
  39. Career exploration

    1. Information security professionals hack into computer systems. (1 point) True False 2. What kind of network might you have at home? (1 point) LAN WAN wireless intranet 3. Apps are designed by: (1 point) software developers. network administrators.

    asked by Luna on December 11, 2018
  40. World history/ Latin America

    Check my answers please?? i have a star by my answer. 1. The policy by which strong nations extend their control and influence over weaker territories is called? Socialism Imperialism Populism 2. This theory justified the use of racial, national and

    asked by charlie on January 17, 2016
  41. english/essay writing help

    Hello! So Im having trouble with my thesis statement for an essay. My teacher gave us three questions to answer and make the answers into a thesis statement. heres the questions and instructions: Does defining human worth based on shallow measurements,

    asked by Erin on October 14, 2012
  42. History

    1) How was Nixon appeal to Middle America a strategized? a) He tried aggressively to gain the majority of his support for protesters and aimed his campaigns towards them. b) He highlighted the salient issues that plagued and concerned many less outspoken

    asked by Rebecca on May 13, 2015
  43. Probability and Stats

    A student was totally unprepared for a multiple-choice test and had to absolutely guess the answer to every one of the 100 questions. About what score (percent) would you expect him to earn if there were four possible answers to every question? I'm not

    asked by Bridget on October 25, 2016
  44. Geometry

    Indirect Proofs Prove a triangle cannot have 2 right angles. 1) Given triangle ABC. 2) Assume angle A and angle B are both right angles is true by one of two possibilities (it is either true or false, so we assume it is true) This is my first time to do

    asked by chica on November 18, 2010
  45. Math-stats

    I am having so much trouble calculating Type 2 error in simple questions, can someone pleaseeeee help me by explaining what to do? Let ƒÊ denote the true average diameter for bearings of a certain type. A test of Ho: ƒÊ = 0.5 versus Ha: ƒÊ ‚ 0.5

    asked by Franky on April 8, 2010
  46. Math: Calculus

    Answer the following questions for the function f(x)=sin(x/4)^2 defined on the interval [-12.266371, 2.241593]. Rememer that you can enter pi for as part of your answer. a.)f(x) is concave down on the interval ____. b.) A global minimum for this function

    asked by NEED HELP!!!! on November 3, 2010
  47. AP physics

    search "ap waves and sound free response questions answers" into google and click on the second one that pops up. answers are on the bottom of the page. question number 23 i don't understand why it is B.

    asked by Anthony on April 12, 2017
  48. algebra

    $2000 principal earning 3% compunded after 6 years? how do i solve this? i don't need answers i just don't know what the equation is.

    asked by quesia on September 3, 2016
  49. Chemistry

    Hi, Just have follow up questions to the previous questions asked dating Feb. 02, 2013 1. So the overall idea is that dissociation decreases molar mass and association does the opposite when a solute dissolves in a solvent. (How do you identify if either

    asked by AhmadM on February 3, 2013
  50. Geography

    1. Cuban illegal immigrants who actually make it to the USA will be....... A. Arrested and Deported B. Allowed to stay C. Sent to Puerto Rico D. Sent to Mexico E. Sent to Guantanamo Bay to be screened E? 2. All of the following are considered forms of

    asked by Anonymous on November 28, 2015
  51. 11th grade

    true or false. if three points are coplanar, they are collinear

    asked by candace on September 11, 2008
  52. chemistry

    Is the following sentence true or false? The value of an error must be positive.

    asked by Anonymous on September 22, 2016
  53. Geometry

    The quadrilateral with these following vertices is a parallelogram. (-4, -3), (2, -3), (4, -6), (-4, -6) True False

    asked by Dana on January 19, 2012
  54. English

    is it true or false External motivation is not desirable

    asked by Jenny on April 15, 2014
  55. statistics

    A correlation of 0 always means there is no relationship between x and y true or false?

    asked by Gee on September 18, 2012
  56. English

    true or false all the words in could have been prevented are verbs.

    asked by Cadence on August 27, 2015
  57. Math

    The point (-1, -1) is in quadrant IV. How to determine if this is true or false?

    asked by rosie on January 24, 2011
  58. math

    The function f(x)=(x-2)^4 has an inflection point at x=2.It is true or false.

    asked by Function on May 25, 2011
  59. Physics (HELP)

    Lenses can be either converging or diverging. True False

    asked by Anonymous on April 5, 2018
  60. Statistics

    when two variables are correlated it means that one is the cause of the other. true or false?

    asked by Anonymous on November 5, 2013
  61. physical science

    true/false All units of energy are vectors.

    asked by peter on May 23, 2011
  62. Pre-calculus

    Does Sin^-1(-x)=-Sinx? Is it true or false and explain.

    asked by Mary on January 28, 2009
  63. Engish

    True or false you can trust a dissembler? I do not understand it at all.

    asked by Hannah on February 13, 2014
  64. basic programming

    EVALUATE the following expressions NOT K OR L AND D + C = A NOT 3 OR 2 AND 12+12 = 7 D = true K = false C = ture

    asked by Anonymous on April 12, 2015
  65. chemistry

    the oxidation number of Mn in MnO4- is +4 (true or false)

    asked by joanne on December 10, 2012
  66. chemistry

    Most alcohols are very safe to ingest. True or False

    asked by Sarah on December 6, 2014
  67. Math

    Every Square is a rhombus. True or False? This one has me confused.

    asked by James on January 11, 2011
  68. Science

    Does the tilt of the earth changes throughout the year True or false

    asked by Aye on February 14, 2018
  69. math

    zeros are real number? true or false

    asked by jen on June 22, 2017
  70. Pre-Calculus

    True or false: P varies directly as Q can be written as P = kQ.

    asked by Mariam on October 3, 2017
  71. Pharmacy

    18. Every medication has a brand name and a generic name. True or False.

    asked by TK on January 18, 2017
  72. Algebra 1A

    Could someone solve this for me please? (-3).(-7)>(-3)(-4) and also determine whether the inequality is true or false.Thank you

    asked by Don on October 4, 2009
  73. economics

    complex models are always better than simple ones. true or false?

    asked by Dan on June 17, 2008
  74. Physics

    true or false.Initial velocity is always equal to zero

    asked by Rose on November 29, 2015
  75. Maths

    Can someone please help me with this please please 😯 An even function is symmetrical about the origin(true or false )

    asked by Ezabel on April 25, 2016
  76. Math

    how do you know whether an equation is true, false, or an open sentence?

    asked by Angie on February 16, 2009
  77. motion and projection

    Artifical satellites forever true or false.

    asked by summer addison on February 17, 2009
  78. digital arts

    sculpture is an example of preforming art true false**

    asked by kendra on February 7, 2018
  79. physics

    true or false only animals undergo respiration

    asked by william on May 16, 2011
  80. Math

    True or False. A quadrilateral with these following vertices is a parallelogram. (-4,-3),(2,-3),(4,-6),(-4,-6)

    asked by Callie on January 20, 2012
  81. English

    True or False according to al gore each of us is a cause of global warming

    asked by HELP PLEASE!!! on October 25, 2017
  82. Spanish

    True or False? Hospitals only perform surgeries.

    asked by Kendra on August 12, 2012
  83. Life skills

    A good leader is never a follower. True False

    asked by Sara on June 8, 2015
  84. algebra

    $6 for two pounds is an example of unit rate. True or False?

    asked by Samantha on November 1, 2010
  85. College Math

    True or false conclude the functions of F(x) + 2xsquared - 2x +7

    asked by Scott on December 12, 2011
  86. Calculus II

    If {an} (a sequence) is decreasing and an > 0 for all n, then {an} is convergent. True/False?

    asked by Ian on February 24, 2017
  87. algebra

    percent means hundredth true or false?

    asked by S on October 30, 2010
  88. Grammar

    "Here" and "there" are never the subjects of sentences. A) False B) True I answered B

    asked by Marie on December 12, 2012
  89. algebra. help!

    Is 4x-3=19 true, false, or open? Which of the following is a solution to the equation 16=4x-4? a. -5 b. -4 c. 5 d. 16

    asked by Hannah on September 24, 2014
  90. Algebra

    The inequality 5 x - 2 y + 1 > 0 is satisfied by point (-2, -1). True or False?

    asked by Devynn on December 11, 2014
  91. english

    Object pronouns include you, she, he, it, and we. True False

    asked by mary on February 2, 2012
  92. Science

    True or False? Energy is measured in Newtons?

    asked by Lola on March 23, 2016
  93. calculus

    If f is continuous on [-1, 1] and f(-1) = 4 and f(1) = 3, then there exists a number r such that |r| < 1 and f(r) = π. Can this be true or false? Please and thank you

    asked by sara on October 15, 2010
  94. it tesch

    True or false: A data file can be used by more than one program.

    asked by see on March 18, 2011
  95. Brains!

    We construct memory after the fact. a) True

    asked by Anonymous on July 31, 2017
  96. math

    is it true a square is a rectangle? my ans is false

    asked by susma on February 25, 2016
  97. language art

    The verb may precede the subject. True False

    asked by mahmoud on June 8, 2014
  98. algebra

    true or false interest is an example of a linear equation

    asked by Meredith Grey on March 26, 2015
  99. math

    How many ways are there to roll out a 3 question True or False?

    asked by kenny on September 12, 2015
  100. Math

    True or false or conclude the functions f(x) = x squared - x + 7

    asked by Scott on December 12, 2011