Posts by DD

Total # Posts: 166

  1. social studies

    what is the preamble to the constitution?
  2. science

    this is an object
  3. math

    Male and female high school students reported how many hours they worked each week in summer jobs. The data is represented in the following box plots: two box plots shown. The top one is labeled Males. Minimum at 1, Q1 at 3, median at 10.5, Q3 at 14, maximum at 21. The bottom...
  4. maths

    two poles 6m and 15m tall are 20 m apart a wire is attached to the top of each pole and is also staked to the ground some where b/n two poles where should be the wire be staked so that the minimum amount of wire be used?
  5. history

    i mean this test
  6. history

    what lesson is it
  7. MATH

    Out of 1200 pupils in a school, 900 are boys and the rest are girls. If 20% of the boys and 30% of the girls wear spectacles,find: many pupils in wear spectacles b.what percent of the total number of pupils wear spectacles.
  8. math

    If you cut off 5pieces of glass from a 14 feet long, how long should each pieces
  9. History

    which answer best describes andrew johnson's relationship with the radical republicans? A:he founded the radical Republican movement B: he worked with the radical Republicans to pass important legislation C: you frequently voted legislation presented by the radical ...
  10. social studies

  11. math

    A flag pole sits on the front lawn of a school, 6.6 m from the front door. The angle of elevation from the base of the school to the top of the pole is 38°. Determine the height of the flagpole, to the nearest tenth of a metre.
  12. Math

    shadow is wrong
  13. Algebra 1 help

  14. math

  15. Health

    Thanxs salted caramel
  16. us history

    D B C A D I got a 100%
  17. math

    1 A C D 2 A 3 C 4 B 5 C I got a 100%
  18. math

    1 A C D 2 A 3 C 4 B 5 C
  19. grammar

    The team of reporters stunned their audience when the results of the election were revealed.
  20. Social studies

    plzzzzzz help :(
  21. Social studies

    5. William Tecumseh Sherman's "march to the sea" headed toward; A) Charleston, SC ****** B) Richmond Virginia C) Savannah Georgia D) Baltimore, Maryland 7. What battle began when the Union cavalry surprised the Rebel infantry raiding the town for shoes? (1 point...
  22. english

    well they were all right
  23. english

    Someone check these pleaseeee ????
  24. english

    2. Which of the following is the best reason to use visuals in a research presentation? A)) to illustrate your main point in an engaging manner B)) to illustrate any topic with data in percentages C)) to show different ways of looking at the same information D)) to show the ...
  25. english

    ok thank you very very much
  26. english

    I think it's c and b
  27. english

    which sentence contains a participial phrase? a) she wanted to spend time writing. b) her job is giving the attic dwellers their food. c) quickly snatching up the coat, she ran to her room. d) to get along well requires cooperation. which sentence contains an infinitive phrase...
  28. english

    I think it's a // everyone
  29. english

    Someone please help
  30. english

    In the following sentences, what word does the participial phrase modify? Everyone in the annex heard her screaming loudly. (1 point) a) everyone b) annex c) heard d) her pl E A S E HE L P
  31. Math

    what where the answers
  32. physics

  33. chemistry

    What is the molality of 67.1g of Nano3 in 2.5l of water i get the molar mass of nano3 and divide it by the 67.1g and multipy it by 2.5l
  34. chemistry

    calculate the energy required to raise the temp of 72g of water from 50c tp 150
  35. chemistry

    is finding the molality and molarity the same concept
  36. chemistry

  37. chemistry

    how much heat is required to raise a 54g sample of water from -20 celsius to 90 celsius explain
  38. chemistry

    Dr Bob i would really like to thank you for your time this has greatly helped my learning in school
  39. chemistry

    How do u tell of a solute is polor or non polar based on what
  40. chemistry

    how many moles of solute are contained in 18.5ml 2.5m CaCL2
  41. chemistry

    is finding the molality and molarity the same concept
  42. chemistry

    it wud help alot if you can plug in and show how
  43. chemistry

    What is the ppm of 4.50mg of ddt in 10kg of seal fat?
  44. chemistry

    Increasing pressure does what to solubility. Increasing surface area? increasing temp?
  45. algebra2

    Tim has a pool slide that makes an angle of 25 with the water the top of the slide stands 4.5feet above the surface of the water A:how far out into the pool will the slide reach B:The slide makes a straight line into the water. How long is the slide
  46. algebra2

    At a hot air balloon festival jim watches a hot air balloon rise form a distance of 200 yards. A:From jims position the ballon seen to hover at angle of elevation of 50 What is the height of the ballon B:After a while the ballon seems to hover at an angle of 75 how high is it ...
  47. algebra2

    A kite string is 102 feet long. the angle between the kite string and the ground is 54.9. how high is the kite
  48. please check my english

    all of those answers are wrong you will get a F
  49. Chemistry

    I cant understand anything
  50. algebra2

    MS TAn bought a bmw for 62,000. The price of a bmw depreciates at the rate of 12% per year. How much will the saving account have after 30 years
  51. algebra2

    a saving account with an initial balance of $15000 grows at 1.33percent per year compounded continuously. How much will the saving account have after 30 years?
  52. Math 6th

  53. calc

    Each of the regions A, B, and C bounded by f(x) and the x-axis has area 5. Find the value of ∫2 [f(x)+3x^2+2]dx. −4 I know to solve I can find the antiderivative of the equation but im not sure how to do this because of the f(x) in the parentheses.
  54. physics

    Two blocks with masses m1 = 13.4 kg and m2 = 74.2 kg, shown in the figure, are free to move. The coefficient of static friction between the blocks is 0.55 but the surface beneath m2 is frictionless. What is the minimum force F required to hold m1 against m2?
  55. math

    how is the sentence "15 more than x is 5" written as an equation? A. x+5=15 B. x=15+5 C. x-15=5 D. x+15=5 is the answer B.
  56. Corporate Finance

  57. math

    Your store’s average basket (transaction) size for the month of March was $11.50 and you believe the average basket size will remain the same for your store in April. One of your hourly employees had an average basket size of $9.00 for the month of March and averaged 125 ...
  58. Math

    If 1/3 of. My salary is in one bank, 1/5 in another and 1/6 in another how much I have left
  59. health

    its not C.
  60. Statistics

    Suppose 5 cards are drawn, without replacement, from a standard bridge deck of 52 cards. Find the probability of drawing 4 clubs and 1 non- club.
  61. writting skill part 2

  62. writting skill part 2

  63. science help plzzz

    B B D B C
  64. kjkj

  65. Physics 101

  66. Math

  67. Chemistry

    i don't know
  68. Chemistry

    2.56 good answer
  69. Chemistry

    The density of methanol is .7918 g/ml/ How many grams of methanol do I have to add to 35.0ml of water to make a solution containing 25% methanol?
  70. statistics

    Researchers conducted a survey of parents of 66 kindergarten children. The parents were asked whether they played games with their children. The parents were divided into two groups: working class and middle class. The researchers wanted to know if there was an association ...
  71. Math

    Which statement(s) is/are true?Select one of the options below as your answer:A. A 25° angle is congruent to a 25° angle.B. Two intersecting lines form two pairs of congruent angles.C. It is possible for congruent angles to add up to 90°.D. All of the above are true.
  72. math

    x-y+z=3 2x-y+z=4 x+2y-z=-1 solve in Gaus-Jordan method
  73. Physics

    the C is wrong for me using the b in di/dt
  74. Physics

    E⃗ = 8.6 xˆsin(2πλz + 5.91e16 t) V/m B⃗ = Bo⃗ sin(2πλz + 5.91e16 t) Tesla o can you explain the formula what is n, c and omega?
  75. Algebra

  76. Maths

    -sin 23
  77. Physics

    how is you process?
  78. Physics

    contact me ulisesvzv @ gmail . com i have the half of answers
  79. physics

    A coil consists of N=105 turns of wire wrapped uniformly around a plastic torus. The inside radius of the torus is r0=0.12 m and the outer radius is r1=0.14 m. Thus, each winding has a diameter d=0.02 m. What is the self-inductance (in H) of this coil? Work in the ...
  80. physics

    thanks, do you have the c?
  81. physics

    Consider a circuit with an RL series with L=0.09 H and R=0.05 Ohm. At t=0 the circuit is connected to a battery which provides V0=12 V. (a)How long does it take to the current to equal a fraction 0.95 of the steady state current? (b) What is the energy stored (in Joules) in ...
  82. physics

    Consider the process of charging a parallel plate capacitor with circular plates of radius R=5 cm separated by a distance d=0.2 cm. At some time t1, the capacitor is being charged with a current I=0.075 A. Consider a point P on the plane which is equally distant from the two ...
  83. physics

    i have the answer, thanks :)
  84. physics

    Compare the total magnetic energy in two solenoids, each with N turns, area A, and current I, but length x and 2x. Denote Ux the total magnetic energy in the solenoid with length x, and U2x the one in the solenoid with length 2x. What is U2x/Ux?
  85. Physics

    a and d please
  86. Physics

    i got it, is the negative :)
  87. Physics

    C) i3 please, i3 isnt same to i2
  88. physics

    i need only the c1
  89. 7th Grade Social Studies!!

    Thank you
  90. math

  91. science

  92. Chemistry

    No clue
  93. Math

    2.48>2.4 1>2.463
  94. math

  95. chemistry

    2. Baking soda is sodium bicarbonate (NaHCO3). When you heat baking soda, it breaks down into sodium carbonate powder (Na2CO3), water vapor, and carbon dioxide. The enthalpy of this reaction is 129 kJ. Write a correct thermochemical equation for this reaction, explain how you ...
  96. science

    A. 1.36 m/s B. 0.06 m/s C. 8 m/s D. 4.5 m/s
  97. Math

    You guys suck
  98. physics

    if a steel flagpole get 5.1 mm taller when temperature increase by 5.0 degree celsius approximately how tall is the flagpole?
  99. Chemistry

    How do I figure out how to balance 1 mole of carbonic acid with 1 mole potassium hydroxide? And balance a chemical reaction of sodium bicarbionate with hydrochloride acid?
  100. physics

    a cyclist must travel 1500 km . how many days will the trip take if the cyclist travels 8 h/day at an average speed of 25 of 25 km/h ?
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