1. physical science

    true/false A lens that converges light is concave

    asked by peter on May 23, 2011
  2. English

    True or false? There could be a noun a verb and an adjective in one sentence.

    asked by Akat on March 7, 2018
  3. World History

    Zionism-Theodore Herzi-Palestine True or False

    asked by Cody on September 18, 2007
  4. physical science

    true/false the force of friction always opposes motion.

    asked by peter on May 23, 2011
  5. civics

    true or false? Congress can raise and spend money.

    asked by ga on March 12, 2014
  6. civics

    true or false? each state is divided into exactly 3 congressional districts

    asked by ga on March 12, 2014
  7. Biology

    true or false Ciliates use flagella for feeding and movement?

    asked by finals on May 20, 2011
  8. Geography

    True or False: Continentality does affect climate of a region.

    asked by Marie on September 15, 2011
  9. statistics

    standard deviation is not resistant to outliers true or false?

    asked by Gee on September 18, 2012
  10. Biology -Genetics

    True or False X and Y chromosomes are found only in eggs and sperm. T or F ?

    asked by Amy on March 5, 2014
  11. math

    true or false A ratio is a comparison of two numbers by multiplicaiton?

    asked by PeyPey on February 3, 2009
  12. pre-calc

    True or false: Perpendicular lines have slopes that are reciprocals of one another.

    asked by nelly on January 8, 2012
  13. Grammar

    An adjective can be either one word or a group of words. True or False

    asked by Marie on October 15, 2012
  14. Physics

    True or False Light is both a mechanical wave and a particle

    asked by Eric on June 26, 2011
  15. tourism and hospitality

    the content of message can appeal to in one way that is rationally true or false

    asked by malia on October 28, 2017
  16. Goverment

    the president can choose to rid of democracy a. true b. false

    asked by Cat on June 16, 2015
  17. Science

    Planet X is now consider a Kuiper belt object. True or False

    asked by Barbara on February 27, 2014
  18. Help Please

    True or False? Beer and wine are less intoxicating then whiskey.

    asked by Linda on November 23, 2010
  19. Math

    If x = xo and x = x1 are both vector solution of Ax=b, then x1 - xo is in the Null Space of A. True or False?

    asked by Anonymous on September 7, 2012
  20. english

    Character can be portrayed by direct exposition. true or false?

    asked by destin on October 5, 2011
  21. french

    is it true or false that a qui esta la means whos there

    asked by joshua on June 20, 2011
  22. physical science

    for an ionic compound, the name of the negative ion comes first. True or False?

    asked by Taylor on November 17, 2008
  23. Philosophy

    There is no absolute distinction between what is true and what is false. Discuss this claim...

    asked by Jazz on June 9, 2010
  24. language arts

    notification does not contain characters plots or settings true ***** false

    asked by kathy on October 24, 2018
  25. The Psychology of Love

    Commitment is usually at its peak at the beginning of a relationship a) True b) False

    asked by Anonymous on July 31, 2017
  26. earth

    the earth has a limited amount of water true or false

    asked by melpo on December 4, 2010
  27. french

    It is customary to greet someone on the street with "allô". False True

    asked by Anna on April 12, 2017
  28. math

    a regular octahedron is a polyhedron with 9 faces true or false

    asked by katelynn on November 20, 2009
  29. World History

    Guomindan- Sun Yixian - China True or False

    asked by Cody on September 18, 2007
  30. Algebra 117

    Is this equation true or false? Why? ãa+ãb=ãa+b Okay radicals are killing me. Please explain this to me

    asked by C on September 9, 2010
  31. Science/Nutrition

    True or False? Resveratrol in red wine is an example of a phytochemical.

    asked by SammieR on January 26, 2011
  32. math

    true or false every square root can be written as a whole number

    asked by Star on October 13, 2018
  33. Soc studies

    The Canadian Shield has few Rich minerals,is this true or false?

    asked by Harley on January 19, 2017
  34. statistics

    True or False The class interval of 25-29 has real limits of 24.5 and 29.5.

    asked by Lyndyc on January 1, 2014
  35. English^

    As long as I have written a research paper myself, I can use it as often as I want to. True or False ?

    asked by Thara* on January 26, 2010
  36. Astronomy

    Rain was once common on Mars. Probably true Maybe/unclear Probably false

    asked by qwerty on April 21, 2014
  37. Sign Language

    Is it necessary to use classifiers within the context of the conversation you are having? A:True*** B:False Is this correct?

    asked by marylyn on December 19, 2017
  38. science true or false

    True or False: Only at the equator are all the stars visible over the course of the year.

    asked by Kayla on August 29, 2010
  39. Critical thinking

    Can a true conclusion be derived validly from false premises?

    asked by Sarah on February 2, 2010
  40. social studies

    Nubia was a kingdom to the south of egypt true or false

    asked by Tanner on November 6, 2011
  41. chemistry

    25 mL 0.4 M KOH will neutralize 10 mL 1.0 M H2SO4 solution. A) True B) False

    asked by ashley on March 27, 2015
  42. Civics

    True or False: The governor has similar powers to the president?

    asked by AA on May 26, 2014
  43. math

    The constraints [x >= 0,y >= 0] indicates that the feasible region will be in the first quadrant. it is true or false

    asked by sateko on April 18, 2011
  44. statistics

    true or false The value for the standard deviation cannot be larger than the value for the range.

    asked by Lyndyc on January 3, 2014
  45. math

    The graphs of y=sin(2x+pi/4) and y=cos(2x-pi/2) are identical...true or false?

    asked by Kathy on August 4, 2011
  46. physics

    A car goes 10 km in 5 minutes when its average velocity is 80 km/hr. true or false

    asked by jassi on August 26, 2012
  47. science

    true or false: The frequency of a water wave gives us its height.

    asked by Sela on September 12, 2010
  48. Government

    The President can choose to get rid of democracy. True or False?

    asked by Olivia on June 25, 2013
  49. social studies

    true of false. everyone has the same basic needs for food, clothing, and shelter.

    asked by keisha on September 12, 2010
  50. social studies egypt

    Ramses II had many, many monuments and statues bulit for himself. True or False?

    asked by Haley on November 4, 2007
  51. physiology

    the scientific method is only concerned with experimentation True or False

    asked by natash on September 16, 2008
  52. math

    How is testing a conjecture like finding a statement true or false? How is it different?

    asked by hi on October 28, 2013
  53. Speech Class

    True or False, Communication can involve language but not speech.

    asked by Jake on April 6, 2011
  54. English

    True or False There could be a noun, a verb and an adjective in one sentence.

    asked by Keen on April 5, 2010
  55. SPANISH

    TRUE OR FALSE in Mexico, most of the celebrations come from Incan traditions. ..?

    asked by y912f on April 28, 2009
  56. SPANISH

    TRUE OR FALSE In the U.S. one can see some Hispanic traditions with a religious origin

    asked by y912f on April 28, 2009
  57. Supply Chain Technology

    It is always better to define a technology broadly so one can learn as much as possible? True or False

    asked by Lorna on May 1, 2009
  58. Math

    Is this statement true or false? The following proportions will yield the same results: x/2=4/9 and 9/2=4/x

    asked by Keenan white on March 17, 2011
  59. health care

    the insured may not necessary be the patient seen for medical service. true or false

    asked by christina on April 23, 2011
  60. geometry

    true or false:all parallelograms have opposite angles that are supplementary

    asked by kayley on April 7, 2008
  61. math

    true or false: [-8]+[3]=[-8+3] show work or explain answer please.

    asked by annonoumus on September 4, 2008
  62. anatomy

    tachycardia is a common sign hypothyroidism true or false

    asked by Leslie on November 20, 2016
  63. chemistry

    Only pure substance are homologous,true or false? Can you please explain too?

    asked by Riana on December 25, 2012
  64. Statistics

    True or False: If the value of the correlation, r, is zero then there is no association between the two quantative variables.

    asked by Jay on December 1, 2011
  65. Pre-calculus: Logarithms

    ln56/ln7=ln8. Is this true or is this false? How can I find this out?

    asked by jenny on December 16, 2015
  66. GEOMETRY

    True or false? A quadrilateral can have more than one acute interior angle

    asked by Twg on August 20, 2009
  67. Statistics

    True or False The value for a probability can never be less than zero, unless you have made a computational error.

    asked by Lyndyc on December 5, 2013
  68. Chemistry

    True of False, Amorphous solids have crystal structures.

    asked by Tony on February 27, 2015
  69. chemistry

    Acids are found on the pH scale between the numbers 0-6.9 True or False

    asked by Anonymous on December 5, 2011
  70. math

    Tell whether each of the following is true for all sets A, B, or C. If false, give a counterexample. c. A¿(BUC) = (A¿B) UC d. (A-B)¿A=A e. A-(B¿C) = (A-B) ¿ (A-C)

    asked by susan on August 18, 2012
  71. Social Issues

    True or False It is inevitable that parents and teachers will be in conflict.

    asked by finial help on May 2, 2011
  72. Grammar

    Periods are used to separate clauses. A) True B) False Answer A

    asked by Marie on November 14, 2012
  73. spanish

    In Spain, all hotels are new and modern buildings? True or false.

    asked by Katie on March 15, 2010
  74. Chemistry

    The oxidation state for solid iron is 0 True False

    asked by Kevin on March 5, 2011
  75. Plz help.!

    For all integers a, b, c, d, determine whether each of the following is TRUE or FALSE, Justify your answer: a)If a|c and b|c, then (ab)|c2. b)If a|b and c|d, then (ac)|(b + d). c)If a|b, b|c and c|d, then a|d. d)If a|b and c|d, then (a+c)|(b+d).

    asked by Steffen on December 12, 2015
  76. English

    The case of a pronoun is determined by how it is used in a sentence. A)true B)false i think it is (b)

    asked by English 202 on April 5, 2010
  77. algebra 2

    true or false every member of the interval (0,8] is a natural number

    asked by taylor on August 28, 2014
  78. math

    Identify the contrapositive of the following statement, then decide if the contrapositive is true or false. "if angle 1 congruent to angle 2, then symbol representing angle 1andSymbol representing angle 2are vertical angles. Whether or not your statement

    asked by Kgirl on July 30, 2007
  79. Grammar

    Determine if the following sentence employ the correct use of commas and apostrophes.TRUE=correct FALSE=wrong 1. The infant's first dextrose stick after delivery was 23; howeveer, the child drank 1 oz of formula, and the repeat dextrose stick 1/2 hour

    asked by Leslie on May 11, 2011
  80. science

    Which of the following is true? ( a ) when plant is kept in sunlight ,photosynthesis and cellular respiration occurs. ( b ) when plant is kept in sunlight ,only photosynthesis occurs (c ) when plant is kept in dark place ,photosynthesis &cellular

    asked by sanjay on January 9, 2015
  81. English

    I am new and I have questions. Are there any teachers in this website? If there are teachers in this website WHAT ARE THEIR NAMES? I could write to them in this website when I need help with my homework LIKE: Name:Kaveri Subject: To:Teacher (Name of the

    asked by Kaveri on December 29, 2006
  82. Math 117

    1. how many three-letter code symbols can be formed using a set of 5 different letters in repetion is not allowed? 2. Mark can remember only the first 5 digits of his friends phone number. He also knows that the number has 7 digits and that the last digit

    asked by Jennifer on July 23, 2009
  83. Project Management

    A Gantt Chart is good for planning but not an effective tool for control. Can you please let me know if it is true or false and why? The answer is "true". See "Advantages and limitations" at http://en.wikipedia.org/wiki/Gantt_chart It tends to give too

    asked by BobM on April 22, 2007
  84. MATH!

    A multiple choice test has 5 questions each with 5 possible answers. Find the probability of answering all the questions correctly. A. 1/3,125 B. 1/25 C. 1/625 D. 1/125 Is it B?

    asked by Be Sweet! <3 on February 24, 2016
  85. To Fay1985 - math

    Your post was removed. Please tell us your thinking on the 25 questions you posted. Attempt some answers, and we'll be glad to help you. Also -- I don't believe that you posted complete information for many of the questions.

    asked by Ms. Sue on January 17, 2009
  86. stats

    if you randomly answer a t/f test and want to figure the possibililty of gettng at least an 80......how do you start and then once you have done this, what if you want to try it 4 more times? HELP Let N be the number of questions. You are asking for the

    asked by holly on July 5, 2007
  87. Biology

    According to my hypothesis, bacteria that lived millions of years ago communicated by their body language. The main problem with my hypothesis is that? 1 - it fails to explain the phrase body language 2 - it can't be disproved c - it may be false d - if

    asked by Sarah on March 10, 2008
  88. Math Homework

    1.) If f(x)=x^2 and g(x)=4x-5, then fg(x)=4x^3-5x^2? True or False? My answer: True 2.) If f(x) =1/x and g(x)=1/x^2, find (g/f)(x). My answer: I need help with this one.

    asked by Molly on September 26, 2014
  89. geometry

    Is it always true, sometimes true, or never true that the centroid is outside its associated triangle? Is it always true, sometimes true, or never true that two complementary angles have a common vertex?

    asked by lisa on May 30, 2010
  90. Spanish

    Although the Spanish word nada means "nothing" in the expression No me' gusta nada, it means "not at all" true or false? I say true. my books says "(A mi)no me gusta nada means I don't like to..at all so what I took from that was the not at all part so the

    asked by Anonymous on June 27, 2008
  91. English

    1. She is the principal of our school. 2. She is the principal whom I met before. 3. She is the only principal of our school. 4. She is the only principal whom I met before. [#1 means #3, right? What about #2? #2 doesn't seem to be #4, does it?] 5. He is

    asked by rfvv on March 17, 2018
  92. chemistry

    An environmental chemist needs to determine the amount of Fe+2 ions in a simple of polluted water from a rusting industrial plant. one procedure is to analyses the sample by using solution of sodium dochromate, Na2Cr2O7. identify the oxdising agent and the

    asked by cletus on February 21, 2017
  93. julius caesar

    ok im on act 4 in the shakespeare play and i got some questions..i need help 1. What is the purpose of the triumvirs meeting as the scene opens. 2. What occurs between cassius and brutus in their military camp? Why does shakespeare include this scene? 3.

    asked by unknown on December 10, 2007
  94. MAth

    To purchase two new copiers, a campus bookstore paid $1350 in interest on a 9% loan for 3 years. Find The principal $1350/(0.09)(3)=4500.00 for principal

    asked by Petra on April 2, 2016
  95. AP HS Chemistry

    I need help. In simple english please, what is Hund's Rule, Pauli Exclusion Principal, and the Aufbau Principal? I need to know these. Please try to be simple as possible because I'm not understanding right now, haha. Thanks!! :)

    asked by Jordan on July 18, 2011
  96. chemistry

    it is the rest of my question B. is this reaction exothermic or endothermic? C. what is the oxidizing agent in this reaction D. in corrosion reactions the oxidizing agent actually removes electrons from the oxidized substance . are electrons actually

    asked by lauren on September 1, 2011
  97. Chemistry

    I just to know how to identify the substance that is reduced, the substance that is oxidized, the oxidizing agent and the reducing agent in each reaction. As (s) + ClO3-(aq) → H3AsO3 (aq) + HClO(aq) CN-(aq) + MnO4-(aq) → CNO-(aq) + MnO2(s) C2H5OH +

    asked by m on April 30, 2013
  98. math

    A real estate agent makes 4.5% commission on every property she sells. How much commission does she make on a sale of a house for $132,500.00? Don't understand how to do the problem. Can you help me? Thank you

    asked by dave on February 17, 2015
  99. Algebra

    1.Is the equation true false or open ? 9p+8=10p+7 A. Open; there is a variable B. True; the expression are the same for all values of the vaiables. False; the expression are never the same 2.Which is the solution of the equation 5-4x=-3? A.0 B.2 C.-3 D.1/4

    asked by Anonymous on October 24, 2017
  100. BIOLOGY

    which of the follwing is best definition of science? A.a body of knwolege gathered throgh experiments. B.a process of accidental discorery. C. a search for answers to questions about the natural world. D. a method of asking testable questions based on

    asked by Lola on January 19, 2012