1. biology

    Most automobiles have water-cooled engines. What must be true about a solution that can replace water in the cooling system, such as antifreeze? I know this is the second time I'm posting this question, but it's been hours and still no one's responding.
  2. Spanish Help please! ASAP

    Choose two food items that you know in Spanish. Use the words dulce, grasoso, mojado, picante and seco to write a true sentence to describe each item.
  3. Physics

    Is true or false- a lamp functioning at peak voltage (AC) will glow with the same brightness when connected to a battery of the same voltage (DC)? PLZ DNT 4GT 2 XPLAIN DA ANSWER
  4. Math - 6th Grade Integers

    Which number can be inserted in the parentheses to make the statement true? -3 1/4 > ( ) A. -3 B. 2 1/2 C. -1 1/2 D. -5 1/3 I think it'd be -5 1/3 because when you're in the negatives the smaller number (Like -3 1/4 in this case) is actually bigger. And
  5. Math 5th Grade

    Which of the fowllowing capacity relationships is true? A) 1 millimeter = 1,000 liters B) 16 fluid ounces = 1 cup C)10 pints > 8 quarts D)5 quarts < 1 gallon
  6. World History 201

    I need help with one T or false guestion. I don't know if this is true or false As a christian, persian king khosrow I forbade zoroastrian teaching troughout his empire.
  7. AED 200

    The assignment is: Final project is to write an Educational Debate Persuasive Paper on a current educational debate. I chose "Does Prepping for High-Stakes Tests Interfere with Teaching?" Read the "yes" and "no" opinions in the related chapter in the
  8. statistics

    A researcher was interested in assessing the effectiveness of the Statistics Diet as compared to a regular low calorie diet on weight loss. In the study, obese participants were randomly assigned to one of two groups: (1) the Statistics Diet, which
  9. statistics

    24. Rosalie Friend (2001), and educational psychologist, compared three methods of teaching writing. Students were randomly assigned to three different experimental conditions involving different methods of writing a summary. At the end of the two days of
  10. statistics

    24. Rosalie Friend (2001), and educational psychologist, compared three methods of teaching writing. Students were randomly assigned to three different experimental conditions involving different methods of writing a summary. At the end of the two days of
  11. 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
  12. 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
  13. 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
  14. Oedipus Rex

    In his plays, Sophocles depicts men and women as they ought to be rather than what they truly are. How is this true in the case of Oedipus? Who is the real Oedipus?
  15. Geometry

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

    grammar --verbs ) a helping verb is the verb that help the main verb make its statement(true or false)
  17. 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.
  18. Hard math 7th grade

    What is the value of 42 – 2(3 • 5 + 1)? (1 point) 8 1 –16 –21 4. What symbol is needed between –2 and |–3| to make a true statement? (1 point) < > = 5. What is the value of (32 + 1) – 14 ÷ 2? (1 point) 2 3 –3 –2
  19. 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
  20. Chemistry

    A decomposition reaction is one in which a reactant decomposes to a limiting reactant and a theoretical reactant. True or False
  21. College Algebra

    If f(x) is increasing on the interval from x = 2 to x = 10, and if g(x) is decreasing on the interval from x = 2 to x = 10, then the function (f + g)(x) will be constant on the interval from x = 2 to x = 10. true or false
  22. science/Newton's third law

    if you kick a 5kg ball with one Newton it would push back on you with one Newton is this true???
  23. Level 5 Math

    Suppose that one number contains the same digit as another number, but in resverse order. What is true about the difference of the two number?
  24. college algebra

    If f(x) is increasing on the interval from x = 2 to x = 10, and if g(x) is decreasing on the interval from x = 2 to x = 10, then the function (f + g)(x) will be constant on the interval from x = 2 to x = 10. true or false
  25. english

    External motivation is not desirable. A. The statement is not accurate. B. The statement is false. C. The statement is true. D. It depends. is it B
  26. Math

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

    A clock is set right at 10 AM. The clock gains 10 minutes in 24 hours. what will be the true time when the clock indicates 3 PM the following day ?
  28. Level 5 Math

    Suppose that one number contains the same digit as another number, but in resverse order. What is true about the difference of the two number?
  29. Physics

    A ball is falling through the air. It has just two forces acting on it, its weight and air resistance. Which of the following statements is true? a. There are only conservative forces acting on the ball. b. There are only nonconservative forces acting on
  30. 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
  31. Biology

    During the cell cycle, if the cell detects that mistakes have been made in replication, the cell may die by apoptosis. True/False
  32. 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.
  33. genetics

    DNA markers, or variant non-coding regions of DNA, are DNA polymorphisms that are useful for genetic mapping. True False
  34. 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.
  35. 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?
  36. 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.
  37. 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?
  38. Int.science

    When a motor is turned on, electrical energy is transformed to mechanical energy plus heat energy. True False
  39. 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 ?
  40. 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.
  41. Math (pre calculus)

    State whether the given equation is true for all values of the variables (disregard any value that makes a denominator zero) equation one (2/ 4 + x) = (1/2) + (2/x) equation two (1 + x + x^2 / x) = (1/x) + 1 + x
  42. 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.
  43. 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,
  44. 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
  45. 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
  46. To Writeacher

    Writeacher I added more at the end, and I fixed some mistakes of mine. I can still feel that there are some awkward places in here, but I can't tell where they are located. I tried to make my ending strong, by speaking from my heart. I wrote what I think
  47. Math

    Shelley compared the number of oak trees to the number of maple trees as part of a study about hardwood trees in a woodlot he counted nine maple trees to every 5 oak trees later in the year there was a bug problem many trees died new trees are planted to
  48. 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
  49. Spanish

    What statement best summarizes the differences in the role of sports in high schools in Chile compared to high schools in the U.S.? a. In U.S. high schools there is more emphasis on sports than in Chile, while schools in Chile place more emphasis on
  50. 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
  51. 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
  52. 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
  53. Social Studies

    Which of the following statements about President Andrew Johnson is true? A. He was well educated, but he was a poor stump speaker. B. He was impeached and forced from office. C. He was raised under conditions of extreme poverty. D. He defended the planter
  54. 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
  55. 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?
  56. 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
  57. 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.
  58. 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
  59. Math

    Given the following set, select the statement below that is true. V = {a, e, i, o, u} s ∈ V o ∉ V e ∈ V V intersect Ø w ∈ V
  60. math

    Given the following set, select the statement below that is true. V = {a, e, i, o, u} (Points : 2) v ∈ V a ∈ V y ∈ V o ∉ V V Ø
  61. Math

    True or False? If the inverse function of f exists, and the graph of f has a y-intercept, the y-intercept of f is an x-intercept of f^-1
  62. math

    5 + _____< 15, 19 - _____ < 12, and 27 + _____ > 30... need to find 3 whole numbers that make each of these number sentences true.
  63. Math

    True or fals: a number is divisible by 8 if it is divisble by 4 and divisible by 2? And how many variations of 3_2_ are divisible by six?
  64. Math

    True or False: 1. if [w-7]<-3, then w-7>3 (NOTE: In this case "[ ]" indicate absolute value.) I did: 3+7<w-7<-3+7 10<w<4 So, I think it's False 2. If -4 < -2t + 6 < 10, then 2>t+6>-5 I worked the equation and got: 5>t>-2
  65. STI'S

    Hiv makes you immune to aids? is this true? You can get hiv from someone who doesnt have hiv? false?
  66. MATH PLEASE HELP!

    True or False? If the inverse function of f exists, and the graph of f has a y-intercept, the y-intercept of f is an x-intercept of f^-1
  67. math

    state the values of x for which the following identiy is true log(x+2) + log(x+3) = log(x^2+5x+6) a) x> -2 b) x> -3 Why is the answer a and not b? If it was b, then it would include -2
  68. math

    I have 10 questions but this is all i need. Please help :I What is the value of 42 – 2(3 • 5 + 1)? (1 point) 8 1 –16 –21 4. What symbol is needed between –2 and |–3| to make a true statement? (1 point) < > = 5. What is the value of (32 +
  69. math

    Tell whether each of the following is true for all sets A, B, or C. If false, give a counterexample.? a. A-B=A- ∅ b. (A ¾B) ̅=(A ) ̅¾B ̅ c. A ¿(B¾C)=(A¿B)¾C d. (A-B)¿A=A e. A-(B¿C)=(A-B)¿(A-C)
  70. math

    write the missing numbers to make the sentence true 4+2+6=_____ , 7+9=_____+7, 3+5+3=_____+5
  71. maths

    plz give full answer for this i am not geting If * stands for -, /stands for +, +stands for *, then which of the following is TRUE? A) 32/14*6+40-8=44.8 B) 14*8/6+40-8=16.8 c) 32*6/14+32-8=9.9 D) 32/6*14+32-8=18.9
  72. Science

    Which of the following could be true of two different species that have a competitive relationship in the same ecosystem? A: one species preys on the other B:they share the same niche C:one species benefits while the other is neither helped or harmed
  73. math

    A parabola that has a maximum = -3 at x = -11. Give four things that are true about the parabola based on this information. Include in your discussion the number of x-intercepts (if any) for the parabola.
  74. health

    2. Rene Dubos defined health as "a quality of life"...on the part of the individual and is associated with the Medical Models of Health. Is this true or false?
  75. Algebra 1 Check

    This is the last question on my homework and I wanted to know if I got it right. Thanks! Which of the following inequalities is true for all real numbers of x? a.) x^2≤x^3 b.) 2x^3≤4x^2 c.) 4x^2≤(4x)^2 d.) 4(x-3)^2≥4x^2-3 My answer:
  76. math

    what is 10^3 ( )9^2 ( )190 = 10. i try to work it out;( 1000 - 190 ) divided by 190 = 10 But when i think about BODMAS then i do not know how to choose the correct operation to make this statment true,can u help me please ,thanks
  77. Math

    True of false A broken scale can make changes in data appear less they than they actually are. If false, explain why. I know the answer is false because it is in my book, but I don't understand why.
  78. please check

    1. Which of the following statements regarding stress and hair loss is NOT true? a. The best treatments for stress induced hair loss are to improve sleep quality, manage stress, and have a healthy dietary intake. b. Stress may cause hair to fall out as a
  79. 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
  80. PSYCH

    1 Which of the following is NOT one of the three fundamental features of science? a empirical questions b public knowledge c mathematical equations (My Answer) d systematic empiricism 2 A set of beliefs can be said to be pseudoscientific if it lacks one or
  81. int.science

    The earth can be considered a heat engine because it receives heat from the sun and converts it into mechanical energy to produce winds and evaporate water. True False
  82. Business Law

    Which of the following statements is true regarding a negotiable instrument? A. It should be signed by the payee. B. It need not state a fixed amount of money. C. It should not require any undertaking other than the payment of money. D. It can be either
  83. 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?
  84. 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
  85. 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
  86. 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
  87. 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
  88. 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.
  89. Science 8th grade check answer

    Anterior to the sternum, medial to the thoracic vertebrae ad superior to the diaphragm is the correct location of the heart True or False I am not sure not this on I am going to say False
  90. 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.
  91. 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.
  92. 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
  93. 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?
  94. Analytic Chemistry

    Barium Sulfate precipitated from a 1.300 sample was contaminated with 9.4 mg of Fe2(SO4)3 and weighed a total of 314.0 mg. Calculate the apparent % BaSO4 and True % BaSO4
  95. 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".
  96. math

    If true, prove. If false, provide just a counterexample: a. For every function f from nonnegative integers into nonnegative reals, o( f ) = O( f ) −Θ( f ) . (Here, “-“ denotes the set difference: A – B consists of elements in A that are
  97. 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
  98. Helth science

    True or False: Laid end to end, the blood vessels in your body would circle the Earth two and a half times. 2. The _________ is made up of cardiac muscle.
  99. Science Meiosis

    When plants such as Strwberries reproduce by sending runners, they reproduce without sex cell? true or false? First read: http://en.wikipedia.org/wiki/Asexual_reproduction
  100. 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