JAZ

Newest questions posted by JAZ
  1. Math Statistics

    Suppose you work for the quality control department at Hewlett Packard. You know that ink jet cartridges are sometimes defective. The current defective rate is 8 cartridges per package of 100 (i.e. 0.08) What is the probability of sampling 12 cartridges
  2. Math

    Suppose you work for the quality control department at Hewlett Packard. You know that ink jet cartridges are sometimes defective. The current defective rate is 8 cartridges per package of 100 (i.e. 0.08) What is the probability of sampling 12 cartridges
  3. math

    Grandmother is 3 years younger than grandfather. Nine years ago, the sum of their ages was 105. How old are they?
  4. math algebra

    Fill in the missing numbers to complete the linear equation that gives the rule for this table. x y 2 22 3 33 4 44 5 55 y = x + Submit
  5. thermodynamic

    If the energy used to heat up a block of 2kg of copper is 115.8 kJ, what is the temperature it was heated to if the starting temperature was 100oC and the specific heat capacity is 386 J/kgK. please help. thanks
  6. algebra

    How come half the questions posted in here don't even get answered?
  7. Chemistry

    When I push on my refrigerator, there is a force acting on it that wasn't there before. That means it should be experiencing an unbalanced force and begin to move. Why doesn't it?
  8. science

    When I push on my refrigerator, there is a force acting on it that wasn't there before. That means it should be experiencing an unbalanced force and begin to move. Why doesn't it?
  9. maths

    in the fig ab = ad and ac=ae. prove that bc=de
  10. chemistry

    DNA is approximately 2.5nm in length. IF an average man is 5ft 10 in. tall, how many DNA molecules could be stacked to extend from the ground to the top of the head of an average man.
  11. history (presidents)

    Which of the following lists of presidents is in correct chronological order? A. Roosevelt/Taft/Arthur/Wilson/Grant B. McKinley/Roosevelt/Johnson/Buchanan/Cleveland C. Jefferson/Monroe/Taylor/Harrison/Harding D. Coolidge/Hoover/Adams/Reagan/Lincoln E.
  12. Statistic

    A statistic instructor randomly selected four bags of oranges, each bag labeled 10 pounds, and weighed the bags.They weighed 10.4, 10.9 , 10.8, and 9.9 pounds.assume that the distribution of the weights is normal. Find a 95% confidence interval for the
  13. physics

    A ferryboat traveling at a speed of 30 km/h attempts to cross a river with a current of 5 km/h. What is the boat's speed relative to the shore?
  14. Math

    The price of an electric fan increased by 25% to $48.75. Find the original price of the fan.
  15. Math

    Your parents took your family to dinner. Your parents wanted to give the waiter a 15% tip. If the total amount of the dinner was $42.00. What should be paid to the waiter as a tip.
  16. english

    How important of a factor does money play in the lives and happiness of individuals? is this sentence grammatically correct?
  17. Physics

    1. The mass of Kerry and the sledge together is 40 kg. Sam pushes with a force of 50 N for 4 s. a. What is the value of the quantity: (force x time) during which the force acts? 50 x 4 = 200 b. So what is the increased momentum of Kerry and the sledge? c.
  18. Math

    Please help solve and explain it, thank you. 1. Juan, Steve and Gabriella bought a total of 30 markers at an art store. Juan bought 3 more markers than Steve. Gabriella bought 7 times as many markers as Steve. How many markers did each buy? 2.
  19. American History

    Which of the following was John Rolfe's chief contribution to Virginia's economy A. His alliance with the Powhatan through his marriage to Pocahontas B. His invention of a better way to grow short-staple cotton C. His innovations in cultivating tobacco D.
  20. math

    a student is painting one wall of a room. a square window is located in the middle of the wall to be painted. the window measures 3 feet on one side. the area of the wall, not including the window, is 80ft squared. find the height of the wall to the
  21. math

    can u please help me with this math problem. i don't get how to do this question. Mrs. Mabie has a rectangle swimming pool that measures 25 feet by 14 feet. She wants to have a cement walkway installed around the perimeter of the pool. The combined area of
  22. alg2/trig

    Which expression is defined for all real numbers? a) x + 3/x^2 b) 5/(x + 2)^2 c)4/(x − 2)^2 d)7/x^2 + 3
  23. geometry

    Find the length of a side of a square whose perimeter and area have the same value. help? perimeter of a square is P=4s & the area of a square is A=s^2
  24. anatomy'

    disease is an unhealthy state of a. organ system b.the entire body c. an organ d.all are true
  25. math

    solve the absolute value problem : 3x+|4x+5|=10
  26. HHS

    What is the molality of a solution in which 15g of I2 is dissolved in 500g of alcohol?
  27. English

    what news of julilet does Romeos servant Balthasar bring?
  28. math

    Julian is interested in building a new house. Three architects have given him plans. The first plan is for a house that will be 2,250 square feet. The total cost of the house will be $281,250. The second plan is for a house that will be 2,400 square feet.
  29. physics

    The force shown in the figure below is the net eastward force acting on a ball. The force starts rising at t=0.020 s, falls back to zero at t=0.062 s, and reaches a maximum force of 55 N at the peak. Determine with an error no bigger than 25% (high or low)
  30. stats

    A survey was done recently by the Royal Bank with Ipsos Reid (reported in Globe and Mail Aug 16 2010) about financial issues that university students face. (Data used here is based on that survey, but randomized to be still within the margin of error of
  31. math help

    A survey was done recently by the Royal Bank with Ipsos Reid (reported in Globe and Mail Aug 16 2010) about financial issues that university students face. (Data used here is based on that survey, but randomized to be still within the margin of error of
  32. Algebra

    Explain why x^2 +5x + 8 is prime(not factorable) How do you know? Give 2 examples of a prime polynomial(can't be both binomials) Give 2 examples of polynomials that are not prime(they can't be both binomials),factor them,explain what you did to factor
  33. Environmental Science

    microorganisms can't break down plastics because... I'm stuck between a) plastics are made from oil d) plastics don't occur in nature. Both of them are true, but I'm not sure which is the most true.
  34. communication

    When someone weighs their response to a health issue that they are confronting, knowing that they need to go to one healthcare facility or another for treatment, or, one physician or another for care...........what impact does reputation and word of mouth
  35. communication

    within the workplace.......let's try to apply the health belief model to that environment......when you have a mix of cultures and socioeconomic status and perspectives.......how difficult is it to get folks to 'move' together? How much should each person
  36. summoner's tale

    what is funny about the summoner's tale
  37. spanish 2

    How do you say ways to get around in spanish and directions around the city
  38. spanish 2

    how do you say start, beginning, end, stay in spanish
  39. making a travel guide

    i need help creating a powerpoint of a travel guide about flordia
  40. Algebra

    How do you factor x-5x^3-6x^3? Thanks!
  41. Factoring

    Can you show me how to factor x-5x^2-6x^3, and why each step is done? I'm not sure how to factor something where the x is in front instead of the highest power, and something with both a ^2 and ^3 variable. Thanks!
  42. Algebra

    Why does 5x/6x^2 become 5/6x? How did x-x^2 become an x on the bottom? Thanks!
  43. Algebra

    How do you factor an x^3 as in x^3+5x^2+6? Is there a general rule you can follow?
  44. Algebra

    A few questions on simplifying rational expressions... 1). 15x^2/10x this simplifies to 3x^2/2 according to my book. But I would think it should be 3/2x since x^2-x=x. Why not? 2). Simplify 3xy/xy+x. How come the (xy)'s don't cancel so you are left with
  45. Dividing Rational Expressions

    x^3-8/x^2-4 divided by (x^2+2x+4)/(x^3+8). This becomes ((x-2)(x^2+2x+4)/(x+2)(x-2) times ((x+2)(x^2-2x+4))/(x^2+2x+4). I understand that (x-2)(x^2+2x+4)=(x^3-8) when I distribute it, however, if I didn't have the help of my book, I'd have no clue how to
  46. COLLEGE LETTERS

    why would you want a teacher to write you a college recommendation? WHAT ARE REASON WHY THEY WOULD BE A GOOD RESOURCE
  47. SENIOR PROJECT IDEAS

    What are some good topics for a senior project to do?
  48. pre calc

    list the positivve integers between -3 and 7.
  49. algebra

    solve. 3x/2 + 8-4x/7=3
  50. social studies

    I need facts about infectious diseases in Ecuador
  51. social studies need more info

    What does Ecuador plan to do about infectious diseases and what can the united nation do about it>
  52. social studies

    What does Ecuador plan to do on Infectious Diseases and what the United Nations plan to do>?
  53. social studies

    What does Ecuador plan to do on Infectious Diseases?
  54. chemistry

    Why are water molecules polar?
  55. algebra need help

    Determine whether the geometric series converges or diverges. 27 + 18 + 12 + 8 + . . .
  56. algebra II

    Determine whether the geometric series converges or diverges. 27 + 18 + 12 + 8 + . . .
  57. english 3

    How can I compare Lord of the Flies to another work like a book or a movie? What should I inclued in the comparison in the powerpoint to make it creativity?
  58. chemistry

    The densities of the liquid and solid states of a substance are often similar. Explain.
  59. pre calc

    The terminal side of an angle in standard position goes through the poin (-2,5). Find the values of the 6 trig function sin cos tan csc sec cot
  60. pre calc

    Find the complement and supplement of each angle. 1. 40 degrees 2. 89 degrees
  61. chemistry

    Determining a Molecular Formula from an Empirical Formula 1. A compund has an experimental molar mass of 78g/mol. Its empirical formula is CH. What is its molecular formula?
  62. algebra check these answere please

    Four quilters are preparing patches for a quilt. When finished, the quilt will contain 200 patches. The quilters’ contributions thus far are in the table below. Name Number if patches Lia 65 Brian 17 Elle 88 len 6 Find the probability that a randomly
  63. Independent and dependent events

    A six-sided-cube is labeled with the numbers 1, 2, 2, 3, 3, and 3. Four sides are colored red, one side is white, and one side is yellow. Find each probability. Tossing 2, then 2. Tossing red, then white, then yellow.
  64. ap stats

    Continuous Random Variable, I Let X be a random number between 0 and 1 produced by the idealized uniform random number generator described. Find the following probabilities: a.P(0less than or equal to X less than or equal to 0.4) b.P(0.4 less than or equal
  65. history

    What other poets wrote about the Middle Passage besides Robert Hayden?
  66. stats need help

    Violence in School, I An SRS of 400 American adults is asked “What do you think is the most serious problem facing our schools?” Suppose that in fact 40% of all adults would answer “violence” if asked this question. The proportion p of the sample
  67. chemistry

    Find the mass in grams. a. 4.30 x 10^16 atoms He, 4.00 g/mol b. 5.710 x 10^23 molecules CH4, 16.05 g/mol c. 3.012 x 10^24 ions Ca^2+, 40.08 g/mol
  68. CHEMISTRY

    Find the number of moles. a. 3.01*10^23 molecules H2O. b.1.000*10^23 atoms C. c. 5.5610 *10^22 ions Na^+.
  69. stats need help

    Violence in School, I An SRS of 400 American adults is asked “What do you think is the most serious problem facing our schools?” Suppose that in fact 40% of all adults would answer “violence” if asked this question. The proportion p of the sample
  70. stats

    Violence in School, I An SRS of 400 American adults is asked “What do you think is the most serious problem facing our schools?” Suppose that in fact 40% of all adults would answer “violence” if asked this question. The proportion p of the sample
  71. algebra

    Permutation For the lunch special, you can choose an entrée, a drink, and one side dish. How many meal choices are there
  72. algebra II

    permutation A “make-your-own-adventure” story lets you choose 6 starting points, gives 4 plot choices, and then has 5 possible endings. How many different adventures are there?
  73. chemistry

    A certain amount of chlorine gas was placed inside a cylinder with a movable piston at one end. The initial volume was 3.00 and the initial pressure of chlorine was 1.75 . The piston was pushed down to change the volume to 1.00 . Calculate the final
  74. chemistry

    Mole and Particle practice How many representative particles (atoms, ions, molecules, etc) are present in each of the following? 1) 4.3 mol of tungsten 2) 2.45 * 10-6 mol nickel (II) selenide (NiSe) 3) 0.923 mol of selenium tetrabromide (SeBr4) How many
  75. chemistry help

    Determine the number of moles of each specified atom or ion in the given samples of the following compunds.( Hint: the formula tells you how many atoms or ions are in each molecule of formula unit.) a. O atom in 3.161x10^21 molecules of CO2 b. C atom in
  76. algebra help asap

    Simplify: 5square root 9^10
  77. algebra

    solve and simplify 9^4/3 / 9^2/3
  78. chemistry

    Dose the law of conservation work when doing an expirement with vinegar and baking soda.
  79. history

    Who were the first colonists in America?
  80. history

    Who were the first colonists in America?
  81. history

    When did colonists first come to America?
  82. chemistry

    Classify the reactions (combustion, synthesis, decomposition, replacement, or double replacement) CaO9(s)+H20(l)¨ Ca(OH2(ag) Ca(ClO3)2(s)¨CaCl2(s)+O2(g)
  83. algebra II

    Adding Rational Expressions m/p^2 + 3/p^3 - 4
  84. algebra II

    Adding Rational Expressions 1. 4m-2/3m+2 + 6m -4/ 3m+2=
  85. spanish

    How do you say your uncle like to read and he is atletic?
  86. spanish

    what are some word that describe people in spanish
  87. algebra need help

    how do you put the following in y=mx+b 1. 19y-8=6x 2. 15x-12x=21
  88. Math

    What do we call the nunmbers that cannot be arranged ito 2-row arrays
  89. comtemporary business Communication

    how do you balance time between courses
  90. comtemporary business Communication

    How does an college degree relates to goals
  91. business commuication

    What strategies can you use to incorporate effective visual elements into business presentations?
  92. business communication

    Suggest options for presenting information audience. Which method do you think is the most effective?
  93. comtemporary business Communication

    What are the main formatting differences between the memo and the academic paper? In what ways do audience, purpose, tone, and structure affect the formatting of the memo and the paper?
  94. comtemporary business Communication

    Between APA and MLA which is the most important Thank You
  95. comtemporary business Communication

    What does the MLA do and what does it mean?
  96. comtemporary business Communication

    what does APA on microsoftword Word do ?
  97. comtemporary business Communication

    suggest 2 tips for academic document not mentioned in miccrosoft word.
  98. english

    What are other ways in which you can make use of the wealth of Web-based information and still guard against plagiarism?
  99. business law

    what steps can i take to ensure a propose in why a company should except my proposal