1. Bio Chemistry

    There are two main ways in which molecules are transported into and out of cells - active transport and passive transport. Which of the following statements is true of passive transport?
  2. Chemistry

    True or False? An identical cylinder filled with the same pressure of hydrogen contains more molecules because hydrogen molecules are smaller than oxygen molecules.
  3. Math

    In parallelogram PQRS, diagonals PR and QS intrsect at M. Which is always true? (1) PR is perpendicular to QS (2) PM is congruent to RM (3) PQ is congruent to QR (4) triangle PMS is congruent to triangle PMQ
  4. Math

    About what percent of the total population believed saying 136,800,000 to be true? Total Populaton:250,000,000
  5. Algebra

    Need help with these-- 40. The graph of the following system yields perpendicular lines: x + 2y = -10 -4y = 2x + 20 True or False? 42. If we multiply a 2 x 2 matrix with a 2 x 1 matrix, the product is a 2 x 1 matrix. -False? Thanks -MC
  6. Humanities

    McLuhan argues that we are now in an electronic age and have “re-tribalized.” Is this true? Use some examples to support whether or not we have entered a “re-tribalized” age? wat does it mean by re-tribalized??
  7. Math

    On a nine-question true-or-false test you randomly guess at the answers. What is the probability that you get all nine answers correct? What is the probability that you get all nine answers wrong?
  8. Language Arts, can anyone check?

    1. Which statement is shared by both "Zoos: Joys or Jails?" and "Why Do We Need Zoos?" a. clearly stated claim b. humorous introduction c. unsupported facts d. one-sided argument 23 Read the passage. What technique is the author using to develop point of
  9. 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
  10. 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.
  11. 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
  12. 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
  13. 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
  14. PLEASE CHECK OPERATIONS WITH FRACTIONS

    1. 619.5 km=__m A, 0.6195 B, 61.95 C, 61,950 D, 619,500*** Write the metric unit that makes the statement true. 2. 5,941 mm= 5.941__ (1point) A, m*** B, km C, cm D, dm Use benchmarks to estimate the sum, difference, or product. 3. 1 7/8+1/9 A, 0 B, 1 C, 2
  15. 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.
  16. 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?
  17. math

    if venom A is three times as potent as venom B and venom C is 2.2 times as potent B. How much more potent is venom C compared to venom A?
  18. Science Help

    Which of the following carries blood to every part of the body? (1 point) blood vessels the heart lymph nodes the ventricles 7. Nutrients and oxygen diffuse into body cells from ______. (1 point) arteries the aorta capillaries veins 8. The leading cause of
  19. Science Please

    Which of the following carries blood to every part of the body? (1 point) blood vessels the heart lymph nodes the ventricles 7. Nutrients and oxygen diffuse into body cells from ______. (1 point) arteries the aorta capillaries veins 8. The leading cause of
  20. Science Please

    Which of the following carries blood to every part of the body? (1 point) blood vessels the heart lymph nodes the ventricles 7. Nutrients and oxygen diffuse into body cells from ______. (1 point) arteries the aorta capillaries veins 8. The leading cause of
  21. com156

    The Dark Knight was the most popular film of 2008. [Stating it was the most popular film of 2008 is a big statement that needs supporting documentation. Also be sure to indent the first line of each paragraph] Unlike most popular summer movies it was also
  22. Math

    1. The figure below is a parallelogram. Which statement must be true? A. DF is parallel to DE. B. DF is parallel to EG.** C. FG is parallel to EG. D. FG is parallel to DF Check?
  23. English

    * Mattie’s first wish came true in 2001. -------------------- 1. in two thousand one 2. in two thousand and one (Can we read 'in 2001' in both ways?)
  24. Algebra

    True or False. 1. If q is negative, then the square root of q^2 = q. 2. If r is positive, then the square root of r^2 = -r.
  25. geomatry

    give and example of an angle that foes not have a complement. In general, what is true a about an angle that has a complement?
  26. geometry

    one side of a parallelogram has endpoints (2,1) and (3,5) The endpoints for the opposite side are (5,2) and (6,6) true or false
  27. Math-Linear Equations

    True or false? A line perpendicular to a line whose slope is -0.75 has a slope of 1.3 repeating. Please help me with this.Thank you
  28. world history

    the monroe doctrine was named after president monroe? true or false ,false right!
  29. 7th Grade Math

    The perfect square is the square of a whole number. True or False I say false, right or wrong? Thank ya for your help. ☺♥☺
  30. pre algebra

    which inequalty statment is true? a. 8 < ã78
  31. Algerbra

    f m and p are positive integers and (m + p) x m is even, which of the following must be true? A. If m is odd, then p is odd. B. If m is odd, then p is even. C. If m is even, then p is even. D. If m is even, then p is odd. I choose C is that correct
  32. world history

    the monroe doctrine was named after president monroe? true or false , false right
  33. chemistry

    what's the difference between experimental estimate of sugar concentration and the true sugar concentration?
  34. sociology

    All deviance is a crime but not all crime is deviance. Question 6 answers a)True b)False
  35. Math

    If m and p are positive integers and (m + p)x m is even, which of the following must be true? Would it be: (A) if m is odd, then p is odd. (B) if m is odd, then p is even. (C) if m is even, then p is even and (D) if m is even, then p is odd. I had chosen D
  36. trig

    what angle in degrees am i if the following is true: sin t > cos t if i were in quadrant three, sin t=cos t
  37. Math

    The radius of circle A is 9 times greater than the radius of circle B. Which of the following statements is true?
  38. Liberal Arts Math II

    The following argument is valid: No student is happy You are happy Therefore, you are not a student A) True B) False
  39. math

    The derivative of f(x)=square root of {x} with respect to x is given by f'(x)={1}/square root of {x}.it is true or false?
  40. Literature 1010

    Transitions function much like road signals. A) True B) False this question does not make sense. when i look in my book ans online, i do not see anything referring to the Transitions function can someone tell me what a transition function relating to
  41. Physics

    The passengers in a roller coaster car feel 1.60 times heavier than their true weight as the car goes through a dip with a 24.0 m radius of curvature. What is the car's speed at the bottom of the dip? Which equation do I use? V= 2(pi)r/t = 2(pi)rtf = wr
  42. 6th grade geography, France plz help ASAP

    which of the following is not true about the po river valley? a. the region is the country's most productive agriculture area b. the region is the site of Italy's major cultural center c. about 2/3 of italy's factory products are made in this region. I
  43. physics

    Find the x- and y-coordinates of the center of gravity of a 4.00 ft by 8.00 ft uniform sheet of plywood with the upper right quadrant removed as shown in the figure below. The dimensions of the cutout are a = 4.50 ft and b = 1.70 ft. HINTS: Think of the
  44. physics

    Find the x- and y-coordinates of the center of gravity of a 4.00 ft by 8.00 ft uniform sheet of plywood with the upper right quadrant removed as shown in the figure below. The dimensions of the cutout are a = 4.50 ft and b = 1.70 ft. HINTS: Think of the
  45. Physics

    Find the x- and y-coordinates of the center of gravity of a 4.00 ft by 8.00 ft uniform sheet of plywood with the upper right quadrant removed as shown in the figure below. The dimensions of the cutout are a = 4.50 ft and b = 1.70 ft. HINTS: Think of the
  46. physics

    Find the x- and y-coordinates of the center of gravity of a 4.00 ft by 8.00 ft uniform sheet of plywood with the upper right quadrant removed as shown in the figure below. The dimensions of the cutout are a = 4.50 ft and b = 1.70 ft. HINTS: Think of the
  47. 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
  48. History

    All of the following help to explain Americans' reluctance to support U.S. involvement in World War II, except: a. Many Americans believed that U.S. involvement in World War I had been a mistake. b. To most Americans, the threat arising from Japanese and
  49. english

    I am to identify 3 words or phrases in the Canada anthem and explain. Verse one: 1. True North Strong and Free - this phrase expresses hope and freedom of choice, speech and beliefs. 2. with Glowing hearts - this phrase describes the love and pride for our
  50. 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
  51. 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
  52. 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
  53. programming

    Application: Pendulum Clocks Pendulums used in clocks, such as grandfather clocks, keep fairly accurate time for the following reason: When the length of a pendulum is large compared with the maximum arc of its swing, the time to complete one swing is
  54. CHECK MY ANSWERS FOR ENGLISH PLEASE

    11. Read the following paragraph found in the selection from "From Emperor to Citizen." The "Articles for Favorable Treatment" stipulated that I could live temporarily in the Imperial Palace without fixing any definite time limit. Apart from three large
  55. Math

    This problem pertains to Cuisenaire Rods: 1-white 2-red 3-green 4-purple 5-yellow 6-dark green 7-black 8-brown 9-blue 10-orange Question: (a) If an all-brown train is equal in length to an all-orange train, what can be said about the number of brown rods
  56. Statistics

    For the overall population, the IQ scores follow the normal distribution with mean equal to 100 and variance equal to 225. What is the best answer? A. If you pick a person at random, the chance that his IQ falls between 100 to 115 is more than the chance
  57. 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
  58. 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
  59. 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
  60. 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
  61. 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
  62. 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
  63. History

    All of the following statements about Jaoan in the last year of the war are true except: A. Japanese retreated from Okinawa B. Fire bombs crippled Japanese economy and war production C.Japanese treated Postdam Decleration with disintrest. I
  64. 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
  65. 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
  66. Algebra

    A. "Solve for w: (6w+1)/5≠2. Describe the solution in set notation." First I must find what number to substitute for "w" that WILL equal 2, correct? Then, determine the numbers that won't (I assume there will be far more of these)? What would be the most
  67. Social studies

    True/fals 1. Borrowing from economics, rational choice theorists examine opportunities, costs and benefits when studying offenders’ decision-making processes. 2. In emphasizing both social disorganization and ecology, routine activities theory can be
  68. 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
  69. english/revise long paper

    “Invisible Children,” a documentary filmed by three American college students, Jason Russell, Bobby Bailey, and Laren Pole, who set out for Africa in search for a story; however, they discovered the immense suffering of Acholi civilian population in
  70. Vectors

    Verify using a specific example that (Vector a + Vector b) × (Vector a – Vector b) = 2(Vector b×Vector a). Expand to the general case to prove that the result is always true.
  71. math

    true or false. the volume of a can ( a right circular cylinder) which has a radius of 2 inches and a height of 5 inches has a volume of 62.8 inches (pie = 3.14)
  72. Chemistry

    Which of the following is(are) true for an exothermic reaction? [H = enthalpy] A) ƒ´H¢X > 0 B) ƒ´H¢X < 0 C) Hreactants > Hproducts D) Hreactants < Hproducts E) Hreactants = ƒ´H¢X The square means delta.
  73. statistic

    27. which is true about the response variable? i. this used to be called the independent variable. ii. when graphing the data, the response variable is plotted along the y-axis only i only ii both i and ii neither
  74. english

    i think that autistic people view this world better than ordinary ones. i think that they typically tend to see the world as one; everyone all linked together. is it true that they tend to see the world as one?
  75. Math

    Which statement is always true about a parallelogram? A. It has 4 congruent sides B. It has 4 right angles. C. It has opposite angles that are congruent. D. The sum of any 3 angles is 360 Is it a?
  76. statistic

    which is true about the response variable? i this used to be called the dependent variable. ii when graphing the data, the response variable is plotted along the x-axis only I only ii both I and ii neither I or ii
  77. Math

    George says that if you subtract 185 degrees from an angle that measures 360 degrees, the new angle is an obtuse angle. Is this true
  78. statictics

    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? Answer a. 0.40 b. 0.50 c. 0.80 d. 0.90
  79. Econometrics

    Hello I have this econometrics question that I have to solve without computer. (True model) yi = B0 + B1x1i + B2x2i + B3x3i + ui (Regression model) ^yi = 13.16 - 0.052(x1i - x21) + 0.2x3i SST = 1833 R^2 = known R^2 (bar) = known n = known with the standard
  80. 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
  81. 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
  82. 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.
  83. SPANISH

    TRUE OR FALSE In Spanish-language soap operas, affection between family and friends is never expressed. this is what i found in my book: "En las telenovelas en español también se expresa muy abiertamente el cariño (affection) entre parientes y
  84. Criminal justice/Corrections

    Which of the following statements is NOT true of the prison turmoil that existed between 1935 and 1960? A. The public embraced the idea rehabilitation and reform. B. There was a tremendous influx of criminals. C. Prison administrators did not know what to
  85. ADHD

    Which of the following is true of the cause and treatment of ADHD ? A. Drug therapy alone is not very effective in treating hyperactivity b. academic and social skills are best treated with a combination of medication and other treatment. C. Usually caused
  86. Science - The Sun

    What is the true thickness of each of the sun's layers (core, radiation zone, convection zone, photosphere, chromosphere, and corona)? What is the age, composition, average density, period of rotation, distance from Earth, and source of energy from the
  87. AP European History

    Help! What is the appropriate relationship between people and their government? Does true democracy exist in Europe? Should it? do you feel that these are merely opinion based questions up for debate? or do you feel that my teacher is asking for specific
  88. Social Studies

    Which of the following is true of the Industrial Workers of the World (I.W.W.)? A. It had very little influence over the labor movement. B. It was founded in Russia. C. It was devoted to organizing highly skilled immigrant workers. D. It made business
  89. 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.
  90. 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
  91. 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).
  92. 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
  93. 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
  94. 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
  95. history

    Thomas Jefferson was less critical of the French Revolution than the Federalists. True or False? http://chnm.gmu.edu/revolution/d/592/ and 4th paragraph down here: http://www.whitehouse.gov/history/presidents/tj3.html
  96. 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
  97. 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
  98. Proof by contradiction

    Prove that there exists no positive real number such that: 4x^2+1/4x
  99. 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)/
  100. News/stereotype more

    OK I have a my example On August 16, 2013, three teens -- one white, and two black shot -- and killed Christopher Lane, an Australian attending school in Oklahoma, while he was out for a jog. Fox and Friends and The Daily Caller have compared it to the