1. PHYSICS

    The object of the long jump is to launch oneself as a projectile and attain the maximum horizontal range (Fig. 3–26). Here we shall treat the long jumper as a particle even though the human body is fairly large compared to the size of the trajectory.
  2. 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
  3. 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
  4. 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?
  5. 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 ?
  6. Chemistry

    A decomposition reaction is one in which a reactant decomposes to a limiting reactant and a theoretical reactant. True or False
  7. Calculus

    If a_n does not equal zero for any n>=1 and ∑a_n converges absolutely, then ∑ 1/|a_n| diverges. The series are from n=1 to infinity. I think this is true but I'm not sure.
  8. Java

    Write a method that will take in a String parameter and return true if the first 2 chars in the string also appear at the end of the string, such as with the word "edited", which starts and ends with 'e' and 'd'.
  9. Science

    Which of the following is true about all of the outer planets. A: Much of the material in these planets is solid. B: The surface of these planets is rocky. C: They have many moons. D: They all rotate in the same direction. Plz help me with this question, I
  10. science

    True or false A.the moon revolves around the earth B.it takes one year for the earth to revolve around the sun Che earth rotates once a day
  11. chemistry

    I got this question wrong it was true/false the answer was false A supersaturated solution will have some solid undissolved in the bottom of the container. I don't know why its false?
  12. math

    Who proved this statement using deductive reasoning? If a, b, and c are consecutive positive numbers, then a+b+c is divisible by 3.* CARL: Take 4, 5, and 6. 4 + 5 + 6 = 15 which is divisible by 3. So it's true. LAYLA: If we have n, n+1, and n+2, and add
  13. Geometry

    Determine whether each statement is always, sometimes, or never true. Two cones are similar. A pyramid is similar to a square. Two spheres with the same radius are congruent. Non-similar solids have different volumes.
  14. Chemistry Science

    A sample of the element ygfjygg m has a mass of 5.6 g +/- .1 g and a volume of 3.1 cm3 +/- .5 cm3. The true density of Lindeminium is 1.92 g/cm3. ----HOW TO CALCULATE RANDOM ERROR(18%)?---
  15. Calculus

    If f is a function such that [(f(b)-f(a))/(b-a)]=2 , then which of the following statements must be true? a.f(a) = f(b) = 2 b.The slope of the tangent line to the function at x = a is 2. c.The average rate of change of the function on the interval [a, b]
  16. Physics/Nautical Mile

    Still studying! I have The Macmillan & Silk Cut Nautical Almanac from 1981 which pre-dates WGS84 and they make reference to the NM being 6046 feet at the equator and 6108 feet at the poles. Conversions to metres = 1842.82m and 1861.71m. Remarkably similar
  17. business math

    The Kansas City Star on February 16, 2007 reported on the lowering prices of natural gas. With lower natural gas prices and unseasonably warm weather early this winter the forecast is that gas-heating customers will pay $950 as compared to $1,339 last
  18. Science help,please...

    1. Why is it rare for the soft parts of an organism to become a fossil? The soft parts take a long time to decay. The soft parts can be eaten by other animals. The soft parts cannot be buried in sediment. The soft parts form petrified fossils. 2. Which of
  19. anatomy

    If the pleural space lost its negative pressure which of the following would be true? A.Inspiation would be more difficult B.Expiration would be more difficult C.Sufactant wouldnt be needed D. Exchange of oxygen and carbon dioxide would improve I think it
  20. Business law

    Which of the following statements are true? I. Federal law does not provide any right of workers to bargain collectively. II. It is not an unfair labor practice for an employer to refuse to bargain with a duly elected employee union. a. I only b. II only
  21. math

    a recent survey of 8 randomly selected social networking sites has a mean of 13.1 million visitors for a specific month. the standard deviation is 4.1 million find the confidence interval of the true mean
  22. American Gov't

    Which statement is NOT true about Congress? 1.)It was originally intended to be an elite governing body 2.)The vast majority of its members have college degrees 3.)The age requirement is the same for both houses 4.)Most members are lawyers
  23. Science

    The 2010 census data for the populations of three states is shown below. According to the data which of the following statements is true? Texas 2.5 x 10^7 Florida 1.9 x 10^7**** Idaho 1.6 x 10^6 If anyone could list the answers for Lesson 11 of Unit 3
  24. MATH

    A food snack manufacturer samples 15 bags of pretzels off the assembly line and weighed their contents.If the sample mean is 10.0 and the sample standard deviation is 0.15, find the 95% confidence interval of the true mean.
  25. Statistics

    Is there a rule to figure out if this is a true or false statement? A sample size of 900 is not large enough to conclude that the sampling distribution of p is a normal distribution, when the estimate of the population proportion is .995.
  26. math115

    7+(-9)+(-5)+6=-1 2. 1/3+(-5/6)+(-1/2)=-6/6 3. evaluate each expression |-27+14|=13 4. true or false |-8|+|3|=|-8+3|=false 5. Jean deposited a check for $625, wrote two for $68.74 and $29.95 and used her debit card to pay for a purchase of $57.65. How has
  27. Statistics

    A Today/CNN/Gallup Poll of 1015 adults found that 13% approved of the job Congress was doing in 1995. Find the 95% confidence interval of the true proportion of adults who feel this way.
  28. English.

    Which of the following is not one of the themes of the play Romeo and Juliet? a.) Good intentions always yield good results b.) Tragedy causes everyone involved to look intently at themselves. c.) True love requires risk. I have a very strong instinct it
  29. PROBABILITY MATH

    An unprepared student makes random guesses for the ten true-false questions on a quiz. Find the probability that there is at least one correct answer. Could some one please help me? And explain to me how they got the answer? and is there another way
  30. biology

    Which of the following is true of the light-dependent reaction but not of the light-independent reactiopn? a. also known as the Calvin cycle b. requires photons to occur c. stores energy for long term use d. produces carbohydrate
  31. Math

    Find a 95% confidence interval for the true population portion. In a survey of 319 female employees of a large company, 29% said that they had experienced some form of sexual harassment while working for the company.
  32. Stats-BOB PURSLEY Help, do you know this?

    Is there a rule to figure out if this is a true or false statement? A sample size of 900 is not large enough to conclude that the sampling distribution of p is a normal distribution, when the estimate of the population proportion is .995.
  33. business statistics

    If you are interested in determining the average of a 3-minute telephone call to locations within the continental U.S. what sample size must you take to be 96% confidential that the results will be within $.75 of the true mean cost per call? From the phone
  34. SS

    which of the following statements true about king gelawdewos capital?? It was built in the 1700s It was a palace decorated with gold and preicous stones** It was where a prestigous school was built It was home to many cattle herders.
  35. History

    The Chinese civilization has provided many innovations. Some of these innovations include the development of paper (1) medicines from plants and herbs, including ephedrine (2) the heliocentric theory (3) acupuncture (4 which one is true and which are
  36. ersonal Dimensions of Education

    True or False... As a general rule, collective nouns- such as family, class, faculty, audience- take singular verbs. For example: This year the graduating class is having a beach party after the ceremony.
  37. science

    How was the planet Jupiter made? It is not known. (Broken Link Removed) While it's true thre are mysteries (and the site given above is 6 years old) the following site may help you to get the assignment done. http://juno.wisc.edu/science_history.html
  38. Math

    One method for correcting the bias in the standard error is to “pool” the two sample variances using a procedure that allows the bigger sample to carry more weight in determining the final value of the variance. True or false
  39. Calc

    Various values for the derivative, f'(x), of a differentiable function f are shown below. x=1, f'(x) = 8 x=2, f'(x) = 4 x=3, f'(x) = 0 x=4, f'(x) = -4 x=5, f'(x) = -8 x=6, f'(x) = -12 If f'(x) always decreases, then which of the following statements must
  40. Math

    I forgot to post the rest. Sorry. It is the same thing as the first one, but I do not understand why my answer is wrong on all of them. 16. If sint = 0.29 and sinw = 0.43, both t and w are positive, and the angles determind by t and w are in quadrant 2,
  41. English

    What is the main conflict in the book, Leaving Home? How does the author us "Italics" in the excerpt, and what is it letting the readers know? What is the true story" element in the book, I Am Malala? What is the purpose of dialogee, and what does it let
  42. Finance

    Question 3. 3. Which of the following is true of flotation costs? (Points : 1) They include expenses like investment banker fees and commissions. They include the underwriting spread. They tend to raise the cost of capital. all of the above
  43. english

    Which quotation from the passage best helps to develop the theme “Strong emotions should be expressed and processed rather than being suppressed indefinitely”? A. “My husband's not dead.” B. “A person'd feel sorry for her if she weren't so
  44. English

    My instructions are to type 200 to 225 words of a short presentation on a topic of my choosing. I was wondering if you could please check my grammar and sentence structure in this Informative Essay. Breathing is something most of us take for granted;
  45. Geometry

    1. If ΔRST symbol ΔNPQ, then RT line is congruent to _____. (1 point) line NP line NQ line PQ line QP 2. Given RST NPQ, RT = 7x – 5, NQ = 5x + 11, find the length of RT and of NQ. (1 point) 8 51 40 56 3. Which of the following statements is true about
  46. Astronomy

    Atmospheric pressure is simply the weight (remember Newton’s Laws) of the atmosphere pushing down divided by the area upon which the atmosphere is pushing. The metric units of pressure are Newtons/m2 (also called a Pascal; you might also have heard of
  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. 10th grade English

    Please check any mistakes or maybe restructure some of the sentences. Need help ASAP Away, written by Michael Gow is an Australian play set in the summer of 1967-68. In the play, three unique yet in a sense stereotypical families experience their internal
  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. Epidemiology

    Identify the study design best described by the scenarios or research questions presented below. Provide a two-sentence rationale for your answer. Choose from: • Ecologic • Cross-sectional • Case-control • Retrospective (Historical) Cohort •
  51. math

    use the numbers 1,2,3,4,5,6,7,8 and 9 one time make a true math equation :xxx + xxx = xxx. ex 237+654=891. Over 300 solutions with 32 different sums.
  52. CALCULUS DERIVATIVES CONTINUITY

    Let f be the function defined by the piecewise function: f(x) = x^3 for x less than or equal to 0 x for x greater than 0 Which of the following is true? a) f is an odd function b) f is discontinuous at x=0 c) f has a relative maximum d) f'(0) = 0 e) f'(x)
  53. math

    which three statements are true? a) if x= -10^4 then log 10 = -4 b)if x= 2^8 then log 2x = 8 c) log2 2= 4 d) if x= 3 then log10 3=x e) log 10 256-2log 10 a/log 10 b f)log 10 (a-b)= log 10 a/log 10 b g) the gradient of the graph of y= 2x^x at x= 2 is 2e^e
  54. Rome

    1. Explain how the city of Rome compared to other cities of their day. 2. Compare the food available to the poor versus that which the wealthy enjoyed. 3. Describe the capital of the Roman Empire. 4. Identify how many distinct classes there were in Rome.
  55. Biology

    1. A famous scientist once said that wherever in the universe life exists, some of those life-forms must be colored. Why would the scientist make such a statement? 2. One of the accessory pigments used in photosynthesis is beta-carotene, a carotenoid found
  56. English Help 2

    Through out her poetry, she seems to be very passionate about her love .she talks about her lover “He seems to me Equal to Gods” .She thinks ,Her love for that man is undesirable .She loves him very much that she worship him like a God. She is at the
  57. ap Physics

    AP PROBLEM CHILD ON A SWING AN ADULT EXERTS A HORIZONTAL FORCE ON A SWING THAT IS SUSPENDED BY A ROPE OF LENGTH L, HOLDING IT AN AN ANGLE q WITH THE VERTICAL. THE CHILD IN THE WING HAS WEIGHT W AND DIMENSIONS THAT ARE NEGLIGIBLE COMPARED TO L. THE WEIGHTS
  58. Chemistry-please help

    The relative mass of a proton is 1 and the relative mass of a neutron is 1. 1)Why do we use the term "relative mass" instead of mass? Is it because the mass of a proton is compared to the mass of a carbon-12 atom? 2) Can we say that the relative mass of an
  59. (Life)

    What is a good conflict resolution technique for employees? Talk together. Work it out. Compromise. If you cannot do this, consult your employer. Are you talking about conflict resolution among employees or between employees and employers? Elizabeth's
  60. Physics check my answers!

    Check my answers thanks! 1. A diesel automobile outputs ThermE, RadE, ElectE and KinE from an input of a. NuclE b. ChemE c. ElectE d. KinE I think its b Two race cars cross the finish line at exactly the same time but the first car is twice as massive as
  61. math

    the results of a survey of 100 households pointed to shoppers having a preference for house brand products in supermarkets It showed that of 280 households with a combined income of $6000 per month, 71 reported buying house brand products from June to
  62. 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?
  63. Math-True OR False 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
  64. math

    5 + _____< 15, 19 - _____ < 12, and 27 + _____ > 30... need to find 3 whole numbers that make each of these number sentences true.
  65. 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?
  66. 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?
  67. 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
  68. 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
  69. math

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

    True or False: 1. if [w-7]3 (NOTE: In this case "[ ]" indicate absolute value.) I did: 3+7
  71. 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
  72. STI'S

    Hiv makes you immune to aids? is this true? You can get hiv from someone who doesnt have hiv? false?
  73. 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
  74. 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
  75. 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
  76. 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 + 1) –
  77. Science

    “Strained silicon” technology is a technique where a silicon thin film is deposited onto a silicon-germanium (SiGe) film. Both Si and SiGe have the same crystal structure, but the lattice parameter of SiGe is larger than that of pure silicon.
  78. technology

    1. Science is the body of knowledge and methods produced by engineering. True False 2. Technology changes society. True False 3. Although engineers do not always complete the steps of design process in the same order which of the following is almost always
  79. technology

    1. Science is the body of knowledge and methods produced by engineering. True False 2. Technology changes society. True False 3. Although engineers do not always complete the steps of design process in the same order which of the following is almost always
  80. please check Am. History answers before I submit

    1. Which of the following was not part of Britain's new imperial system after 1763? (Points: 1) The Molasses Act 2. Colonial assemblies established committees of correspondence to: (Points: 1) Coordinate intercolonial communication and organize efforts to
  81. statistics

    Identify the conditions of the independent variable , the dependent variable , their scales of measurement , which measure of central tendency and variability to compute and which scores you would use in the computation . We test whether participants laugh
  82. Writing Essay

    All of the following statements about reading skills are true EXCEPT : A. Different activities require different types of reading. B. It is best to use skimming when you look for specific information. C. "Study Reading" requiers attention to details. I got
  83. P.E.

    Which of the following is not true about a soccer throw-in? A. Both hands must be on the ball. B. The ball must come completely behind the head. C. Both feet must stay in contact with the ground. D. The ball can be thrown in-bounds with sidespin Not sure
  84. chemistry

    # Which of the following is true for the reaction NH3(l) NH3(g) at –33°C and 1 atm pressure? (The normal boiling point for NH3 is –33°C.) Answer Question 8 answers ΔH = 0 ΔS = 0 ΔH = PΔV ΔH = ΔnRT ΔH = TΔS
  85. English

    Select the answer that does NOT make the following sentence true. The editing process: A. does not apply the practices of standard English B. follows revision of your draft C. includes the accuracy of grammar, mechanics, and spelling. D. puts the finishing
  86. American History

    Regarding Mexico's Porfirio Díaz, which statement is true? A. He enacted laws that favored wealthy elites. B. He overthrew the Mexican Revolution of 1910. C. He freed many peasant farmers from debt peonage. D. He reformed the hacienda system.
  87. Literature

    Douglass includes a lot of maxims in his Narrative. What is the effect of these? They make his autobiography less believable because some of them are not true. He reveals many of the values of the people during the time in which he lived. They demonstrate
  88. math

    a student takes up a True or false exam of 10 questions. he is completely unprepared and so he starts guessing randomly. he may toss a coin and use the outcome to determine the guess. compute the probability that he guesses correctly atleast five times.
  89. Macbeth

    Is it true that Macbeth only wishes that his wife be cured so that she will cease to sleepwalk and talk in her sleep and that He fears that someone who hears her talking will figure out that he is guilty of the killing of Duncan. If it is can you please
  90. Physics

    True or false- the number of bright bands per unit length observed in an interference pattern on a screen, will increase when the wavelength of the waves passing through a double slit increases- if ur kind enough plz xplain it 2me
  91. Social Studies

    How are equal-area projections of Earth inaccurate? A. There are distortions near the center of the map. B. Directions and the shapes of the landmasses are distorted. C. This projection does not show true sizes. D. Areas close to the poles are
  92. Science

    Which of the following is true concerning the Little River Salt Marsh Restoration Project? a. It revolved around restoring tidal flow with culverts. b. It is a 20 year old conservation effort. c. It was immediately successful upon inception. d. It used
  93. us history

    1. In 1916, the US sent a military force into Mexico ---------------TRUE? (confused about the date, is it 1914?) 2. A major shortcoming of the progressive movement was its failure to address the issus of _________. a.racism b. woman's suffrage c.
  94. Macbeth

    Is it true that Macbeth only wishes that his wife be cured so that she will cease to sleepwalk and talk in her sleep and that He fears that someone who hears her talking will figure out that he is guilty of the killing of Duncan. If it is can you please
  95. Math

    Place absolute value bars in the proper location on the left side of the ecpression to make the statement true. Jean deposited a check for $625 and $29.95 and used her debit card to pay for a purchase of $57.65. How has her account balance changed?
  96. trigonometry

    a question just like this one was on one of my homeworks..i asked for help but i didn't understand the explanation..so i had to gues..nd now i have that kind of quesion again on my homework. pleease explain this thoroughly find the value of s in the
  97. Physics

    True or false the work done by a non-zero net force on an object, moving on a horizontal plane, is equal to the change in the potential energy of the object? and don't forget to give the correct explanation for my q.
  98. Marketing in a Services Environment

    The convenience of service factory locations and operational schedules assumes little importance when a customer has to be physically present throughout the service delivery or even just to initiate and terminate the transaction. (Points : 1) True False
  99. discrete math

    Let R be a relation "is located in" from set x of y of countries. state each the following in words and state whether the statement is true or false. a)(Bangi,Selangor) b)(Kota Bharu,Johor) c)(Miri,Sabah) d)(Pekan, Pahang)
  100. statistics

    A food snack manu. samples 15 bags of pretzels off the assembly line and weighed their contents. If the sample mean is 10.0 and the sample standard deviation is .15, find the 95% confidence interval estimate for the true mean.