1. Calc 1

    Optimization: Of all rectangles with perimeter P , the one with the largest area is a square of side length P/4. True or False and explain reasoning
  2. STATS

    A true/false test has 40 questions. Assume that a student guesses at the answers. What is the probability of guessing correctly for any one question?
  3. health

    Thirty minutes of physical activity a day can improve your family and can help to bring you closer together Answer Are True False Thank You
  4. astronomy

    True or false: The zonal flows giving rise to the belts and zones are similar to the jet streams in our own stratosphere.
  5. Physics

    The peak wavelength and observed color of a 50,000 K star is 58nm and too blue to see with the human eye. True or False.
  6. Math

    If there are 280 people at the theater, which prediction about the audience would you expect to be x true? x x x x x x x x x x x x ___x___x__x____x____x___x___x__ ' ' ' ' ' ' ' ' 12 13 14 15 16 17 18 19 (BTW each number on the bottom lines up to one 'x'

  8. economies

    True or False, South Africa was technologically developed country because of its policy of Apartheid and the international economic sanctions.
  9. English

    In "The Wager, by: Anton Chekhov" the climax comes when the jurist who is confined, begins to ask for musical instruments and tobacco. True or False
  10. Science

    Is the following sentence true or false? A surface current warms or cools the air above it, influencing the climate of the land near the coast.
  11. Science

    for anybody:there is evidence that human beings could be a part of the 6th extinction on earth. Do you believe this is true? Why is Why not? Write a statement explaining your beliefs.
  12. Hospitality

    A key difference between Social and Corporate event planner work is the days of the week that are usually worked. True or False
  13. Lit

    We deduce that Higgins is _____ through his treatment of Lize (Pygmalion) a: supportive b: a true gentleman c: rude and dismissive d: abusive
  14. physics

    Is this a trick question? In order to move a heavy object you must push against it with a larger force than it pushes on you. Is this true or false?
  15. english

    1. There should be commas around “however” in the following sentence: “Dwayne had planned to take the last flight out to Chicago. It was cancelled, however, because of bad weather.” (Points : 1) True False
  16. Reading

    In The Adventure of Dying Detective, it is true Inspector morton was signaled to come to sherlock Holmes' room when watson yelled for him?
  17. Physics

    Two pans of a balance are 50cm apart. If the fulcrum is displaced by 1cm what percentage is the true weight marked up? the answer i got was 1.3%, please help if wrong (which it probably is).
  18. Math

    A bolt weights about 2/5 ounce. True or false The expresion 48 divided by 2/5 could be used to find the number of bolts in a 3 pound box
  19. Math

    Can someone please help me with this question? Find all values of the missing digit that makes the statement true: 4, 3, ... 0 is divisible by 6. My answer which I don't think is right is: 2, 5, 8. Is this correct? Thanks.
  20. English

    what social and political developments predicted in 1984 by George Orwell seem to have come true i our present society? Please include any examples, thank you!
  21. Chemistry

    The addition of a non-volatile, non-electrolyte will increase the amount of your vapor found above the solution over that of the pure liquid? (True or False)
  22. Algebra

    In the slideshow, Multiplication of rational expressions, located in Chapter 6, the answer results in x in the numerator and x – 5 in the denominator. True or False
  23. law

    judges in custody cases may interview the subject children outside the presence of the parents only if the attorneys are present? is this true or false
  24. Statistics

    In a random sample of 50, the average is 3987 with a population standard deviation of 630. How can one find the 90% confidence interval of the true mean?
  25. harvard health

    4. True or False: Using this design, a relative who served as a control cannot be included as a case if he later develops the cancer of interest. T/F???
  26. US History

    What general influences and German actions forced President Woodrow Wilson out of his professed stance of true neutrality?
  27. English III

    If the writer paraphrases an opinion that she has read rather than reached independently, she is not required to cite the source. True or False?
  28. social studies

    In the state of Louisiana is it possible for a presidential candidate to win the popular vote but lose the race. true or false ?
  29. science

    2. which of the following statements about the inner planets is true ? ( 1point ) A. they all have rings b. they have all abundant liquid water c. they all have many moons d. they are small and have rocky surfaces
  30. History

    Chapultepec was a heroic victory for Mexican forces against American troops who sought to capture Mexico City. true?
  31. AP Us History

    Was the Battle of Antietam a turning point of the war because it prevented British and French recognition of the Confederacy- True or false
  32. spelling

    Could you give me the synonyms & antonyms for face, door, cut, done, group, true, half, red, fish, and plants? Thanks.
  33. Math

    A bolt weights about 2/5 ounce. True or false The expression 48 divided by 2/5 could be used to find the number of bolts in a 3-pound box
  34. physics

    True or false. Electric energy is transferred from generating stations to consumers' premises at extremely low voltage?
  35. math

    In 1000 samples, assuming that the null hypothesis is true, how many times would you expect to commit Type I error if alpha=.05?
  36. Health management

    One of the major challenges and obstacles for providers is timeliness and efficiency of access to patient information. True False
  37. Microeconomics

    For a downward-sloping demand curve, marginal revenue decreases as quantity sold increases. True or False?
  38. Math

    Find the unknown digit to make the sentence true 2.48>2.4__ 1>2.463 5.723<5.72__ <5.725 7.64<7.___ 5<7.68
  39. Antomy

    The nucleus of the cell is the site or RNA synthesis, largest organelle in eukaryotes, and has a double membrane. True or false
  40. World History

    Portugal's military coup of d'etat of 1974 gave the country of Mozambique its independence. ( True or False )
  41. History

    Is it true that pianos in ghost towns can "play themselves?" I don't mean because of supernatural forces, but I remember reading once there is a scientific explanation for it. Do you know why that might be? Thank you.
  42. chemistry

    The destructive power generated by an explosive mixture results from the rapid expansion of gaseous products. True or False
  43. Physics

    A material that remains highly magnetized after a magnetization cycle has a large hysteresis area. Answer True False
  44. Discrete Math

    Congruence True or False: (give reason) _ __ 2 ∈ 18 (mod 8) Can someone please help with this problem? I'm confused. . . Thanks for any helpful replies.
  45. anatomy

    Regarding the development and function of breasts progesterone is involved in developement of the excertory portion of the mammary gland. true or false
  46. Economics

    Price elasticity is unit elastic at the midpoint of a linear, downward-sloping demand curve. a.True b.False
  47. math

    Place any of the four operations signs (addition, subtraction, multiplication, or division)in the boxes to make the following sentence true. 1___2___3___4=6
  48. Math

    In a triathlon, a contestant swims 5 km, cycles 30 km, and then runs 20 km. In general, a contestant runs at an average speed of x, swimsat an average speed of x/5, and cycles at an average speed of 5x, where x is in kilometres per hour. a) Determine an
  49. calculus

    F.(0) (10 puntos posibles) C1   What is limh→0cos(π6+h)−cos(π6)h? (Enter the answer as a decimal. If the limit does not exist, enter DNE.) sin responder Loading C2   At which of the five points on the graph are dydx and
  50. Another Media's Role in Political Process/Question

    With respect to the media's role in the political process, which of the following statements is true? A. The media fulfills an evaluative function by helping voters judge candidates in terms of character and competence. B. Most politicians do not view the
  51. history

    1. What was one emphasis of the Constitution of 1845? (1 point) fiscal responsibility freedom of former slaves importance of high taxes increasing state debt 2. Why was the Texas Constitution of 1845 twice as long as the one written before it? Select all
  52. statistics

    im so confused! please help! 3. A car manufacturer is interested in conducting a study to estimate the mean stopping distance for a new type of brakes when used in a car that is traveling at 60 miles per hour. These new brakes will be installed on cars of
  53. english

    can someone tell me the difference between prejudial and non-prejudial use of rhetoric? Posted by Ms. Sue on Tuesday, June 20, 2006 at 9:47am. Check these sites to help you answer your question. (Broken Link Removed) http://en.wikipedia.org/wiki/Rhetoric
  54. language arts

    What statement in the passage weakens the argument that personal music players cause hearing loss? Experts say more research is needed to prove a definite link between portable music and DVD players and hearing loss. Twenty-nine percent of students
  55. science

    Which of the following is the best reason for the smaller number of drone bees compared to the number of worker bees in a beehive? a. the drones are always away from the hive pollinating flowers. B. because worker bees are smaller than drone bees, more
  56. thesis revision

    While the colors associated with Holi are the main part of this celebration, the true reason for celebrating Holi is to keep the evil spirits away. Not only is Holi a joyous, colorful festival to celebrate with friends and family, but it is also meant to
  57. Business Marketing

    3-4 pages Details: 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.

    A study based on a sample of size 25 reported a mean of 94 with a margin of error of 15 for 95% confidence (a) Give the 95% confidence interval. (__________,________) (b) If you wanted 99% confidence for the same study, would your margin of error be

    Use the diagram to answer question 13. so substance A looks like a row of three little circles on the top and bottom all organized (total six dots). substance b is all clumped together circles and is disorganized. 13. How can substance A and B be compared?
  60. Physics

    Recall that for a finite rod of length L and total charge Q, the electric field for a point located a perpendicular distance r from the middle of the rod has a magnitude given by: Consider the limit of large distances, where a finite charged rod is
  61. art help needed

    The last major painting of Manet's career, A Bar at the Folies-Bergere, reflects the artist's: optimism pessimism intense emotion positivism I see it was expressionism, but which of the answers given is a term related to that? i think it is positivism?
  62. Pre-Algebra

    How does finding the square root of a number compared to finding the cube root off a number use number 64 in your explanation. xx check my answer ;3 the square root of a number is a number which when multiplied twice by itself gives the number that was

    How can you as a critical thinker tell the difference between prejudicial and non-prejudicial rhetoric? Previous answers to this same question: ----------------- Posted by Ms. Sue on Tuesday, June 20, 2006 at 9:47am. Check these sites to help you answer
  64. college finance

    You are considering two independent projects that have differing requirements. Project A has a required return of 12 percent compared to Project B’s required return of 13.5 percent. Project A costs $75,000 and has cash flows of $21,000, $49,000, and
  65. Technology

    21. Discuss in an essay the various factors that are considered in design analysis. There are various factors that are considered in design analysis. In design analysis, designers have to carefully evaluate a design in terms of function, specifications,
  66. Int.science/Laws of Thermodynamics

    The efficiency of the engines in the two previous problems are the same, comparing the input and output temperatures. True False
  67. Math

    I am supposed to find five ordered pairs to make the equation true y = 20 + x/3 so far I have (0,20) and (6,22) is this right? I am unsure because my text example had x^2 + 3x = y (0,0) (1,4) (2,10) (3,18) (4,28) and they have a common theme (muliply by by
  68. Statistics

    Which of the following is true about Standard Deviation? a. It is the maximum value minus the minimum value b. It a range of values c. It the average d. It a measure of spread e. It measures location
  69. ersonal Dimensions of Education

    There should be commas around "however" in the following sentence: Dwayne had planned to take the last flight out to chicago. It was cancelled, however, because of bad weather (True or False)
  70. world history

    Division of labor is a system of manufacturing and of granting economic rights and privileges to a given geographic area. True False
  71. Math help PLEASE!!!!

    1. David drew triangle PQR as shown: If LQPR measures 135 degree, which statement is true for LPQR and LPRQ?
  72. Astronomy

    In the past few million years of Mars the main source of climate variation has been the slow escape of the atmosphere. Probably true Maybe Probably false
  73. social science

    True or False Economic liberalism hlods that global interdependence is a logical consequence of the international expansion of capitalism.
  74. math

    Jim rolled a fair die 5 times and obtained a 3 every time. He concluded that on the next roll, a 3 is more likely to occur than the other numbers. Explain whether this is true.
  75. Math Calc

    Which of the following statements is/are true 1. If f'(c)=0 then f has a local maximum of minimum at x=c 2. If f is continuous on [a,b] and differentiable on (a,b) and f'(x)=0 on (a,b) then f is constant on [a,b] 3.The Mean Value theorem can be applied to
  76. Grammar

    Prepositions show a spacial, time, or logical relationship between the subject of the preposition and the rest of the sentence. A) True B) False AnswASer B
  77. English

    4. Which one of these sentences contains a prepositional phrase? A. Trolls live under bridges; elves do not. B. Where did you find the papers that I lost? C. You may think otherwise, but what I tell you is true. D. To be, or not to be: that is the
  78. english

    6. The subject and verb should agree even when other words come between them. For example: “The students, as well as their teacher, are excited about the upcoming trip to Italy.” (Points : 1) True False
  79. Data Communications / Networking

    True Or False: Network Architectures are cohesive layers of protocols defining a set of communication services.
  80. world history

    Surrealism is the theory that plant and animal life developed from common ancestors over millions of years. True False
  81. Biology

    which of the following DNA sequences would likely be the most stable? (only one strand of the helix is shown) A) CCGAGGCCT B) CGTATAGGG C) CCCGGGGCC D) CTAAGCTTT E) ATATATATA I know the answer is c but why is that true?
  82. chem

    Consider the chemical reaction, 2Al + 3Cl2 → 2AlCl3. Here, 56 g of Al can produce 415.14 g of AlCl3 (Molar masses: Al = 26.98 g; Cl = 35.45 g). true or false
  83. MATH/ Business

    The basic retailing equation states that the cost of an item is not equal to the selling price plus the markup. TRUE or FALSE
  84. Anatomy

    I believe this question is True but can't find it in my book: Polysaccharides can be absorbed into the blood directly from the gut without the need for digestion. I have some notes on it, but not that exact thing. Thanks
  85. Science

    True/false Earth's atmosphere oceans and continents began to form during the first several hundred million years of the Precambrian time.
  86. english first additional language

    traditional african mariage is an advantage for men only not women.True or false,reason why or why not,Write two paragraphs
  87. Science

    Rocks exposed as glaciers melt absorbs more energy than it reflects TRUE or FALSE Please help me. This question is gonna be in my test tomorrow
  88. simple science

    what event during photo synthesis. which one is true. production of co2 increase of cellurar atp release of o2 break carbohydrate.
  89. chemistry need help

    A fellow student say , " All substance experience London disperison forces of attraction between particle." Is this etatement true? Explain your answer
  90. statistics

    a quiz consists of 30 true or false questions. if the student guesses on each question, what is the standard deviation of the number of correct answers
  91. Social studies

    pollution in the Houston Ship Channel became so bad test showed no oxygen in the water. True*** False Thanks to anyone who helps out.
  92. world history

    Violence against innocent people to accomplish the political ends of a group or government is called chaos. True False
  93. Math

    I am supposed to find five ordered pairs to make the equation true y = 20 + x/3 so far I have (0,20) and (6,22) is this right? I am unsure because my text example had x^2 + 3x = y (0,0) (1,4) (2,10) (3,18) (4,28) and they have a common theme (muliply by by
  94. art

    true or false john constable created hundreds of thumb nail sketches and studies before beginning a final piece
  95. Health

    30. There is a cure for STDs caused by a virus -True? 34. Donating blood puts a person at risk for contracting HIV -False? Thanks -MC
  96. math.7th gradee.

    the worksheet says to copy and place parentheses to make each statement true. . . but i have NO ideaa what that means..? cann anyone helppp!
  97. bio

    Which of the following is NOT true of amoebas? a. They reproduce by binary fusion. b. They move by pseudopodia. c. They have a definite shape. d. They form temporary food vacuoles.
  98. social civics

    the Monroe Doctrine stated that the United States would not intervene in the affairs of countries in latin America? true or false
  99. US Government

    True or False. Public opinion polls are consistent & reliable, and allow one to measure the intensity, stability, and/or relevance of all opinions studied.
  100. SRV301 introduction to Service Management

    A process capability index of two centered on the mean just meets Six Sigma standards. (Points : 1) True False