Posts by PsyDAG

Total # Posts: 24,206

  1. math

    No choices given. Cannot copy and paste here.
  2. conversions math

    1728 in^3 = 1 ft^3 70.5/1728 = x/1 Solve for x.
  3. Spanish

    We do not do your homework for you. Although it might take more effort to do the work on your own, you will profit more from your effort. We will be happy to evaluate your work though.
  4. biology

    What cycle? Cannot copy and paste here.
  5. science

    Since hydrogen and helium are the most elemental, I would pick them.
  6. Science

    What do YOU think?
  7. Math

    If the events are independent, the probability of both/all events occurring. 2 * 3 * 3 = ?
  8. math

    Yes
  9. math

    Disagree. Arrange values in order of size to solve.
  10. la

    Agree
  11. Math

    4m
  12. Sociology

    I searched Google under the key words "sociological imagination" to get these possible sources: https://us.search.yahoo.com/yhs/search?hspart=iry&hsimp=yhs-fullyhosted_011&type=mcx_mdmac_18_14_1¶m1=yhsbeacon¶m2=f%3D4%26b%3DSafari%26cc%3DUS%26p%3Dmcyahoo%26cd%...
  13. math

    Since this is not my area of expertise, I searched Google under the key words "weather predictions accuracy" to get these possible sources: https://us.search.yahoo.com/yhs/search?hspart=iry&hsimp=yhs-fullyhosted_011&type=mcx_mdmac_18_14_1¶m1=yhsbeacon¶m2=f%...
  14. Math

    If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. 1/2 * 1/4 = ?
  15. Math

    Do it step by step. .4+.7 = 1.1 1.1 * 2 = 2.2 4 - 2.2 = ?
  16. Metallurgy

    It would help if you proofread your questions before you posted them.
  17. Algebra

    This is not algebra.
  18. Science

    This might be a start. https://hypertextbook.com/facts/1999/JaneFishler.shtml
  19. Math

    Looks fine to me.
  20. Math

    I can't make sense about what you have written. This is my guess for the first. 6/15? 14/35?
  21. Math

    What "negative indices"? What happened to "a" in your second alternative? I would go with 1/9a^2.
  22. Maths

    Unless there is a typo, 42/8 = 5 with 2 sweets left over.
  23. SOCIAL STUDIES

    Further Limitations Speech – any serious threat of harm, e.g., "I will kill you and your children." Movement – any purposeful action intended to result in harm to others, excluding self defense.
  24. Algebra

    No statements. Cannot copy and paste here. Sexist; Mandy's equation choices are all, y = 9x.
  25. Science

    We do not do your homework for you. Although it might take more effort to do the work on your own, you will profit more from your effort. We will be happy to evaluate your work though. What do you think?
  26. Science

    By the way, this math not science.
  27. Science

    Since both = y, they must be equal to each other. x^2+2x = 3x+20 Solve for x, then y.
  28. science

    From Google: Suntan and sunburn are familiar effects of over-exposure of the skin to UV, along with higher risk of skin cancer. Living things on dry land would be severely damaged by ultraviolet radiation from the Sun if most of it were not filtered out by the Earth's ...
  29. Pre-Algebra

    Agree with Swimmer
  30. math

    No line plot. Cannot copy and paster here.
  31. science

    Since this is not my area of expertise, I searched Google under the key words "types of muscle tissue" to get these possible sources: https://us.search.yahoo.com/yhs/search?hspart=iry&hsimp=yhs-fullyhosted_011&type=mcx_mdmac_18_14_1¶m1=yhsbeacon¶m2=f%3D4%26b%...
  32. Math

    Try mapping them out on graph paper. It should become evident.
  33. science

    It would depend on how close the planet is to the sun.
  34. Math

    4 can be obtained by 2,2 3,1 or 1,3 9 can be obtained by 6,3 3,6 5,4 or 4,5 10 can be obtained by 6,4 4,6 or 5,5 For each, they are out of 36 possibilities.
  35. Medicine

    We do not do your homework for you. Although it might take more effort to do the work on your own, you will profit more from your effort. We will be happy to evaluate your work though. However, here is a start. https://us.search.yahoo.com/yhs/search?hspart=iry&hsimp=yhs-...
  36. Statistics

    a) 37/75 b) If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. (37/75)^2 * (38/75)^3 = ? C) do similar process as b.
  37. math

    If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. .68 * .87 = ?
  38. statistics

    https://us.search.yahoo.com/yhs/search?hspart=iry&hsimp=yhs-fullyhosted_011&type=mcx_mdmac_18_14_1¶m1=yhsbeacon¶m2=f%3D4%26b%3DSafari%26cc%3DUS%26p%3Dmcyahoo%26cd%...
  39. statistics

    Z = (mean1 - mean2)/standard error (SE) of difference between means SEdiff = ?(SEmean1^2 + SEmean2^2) SEm = SD/?n If only one SD is provided, you can use just that to determine SEdiff. Find table in the back of your statistics text labeled something like "areas under ...
  40. Statistics

    n = 4, the values are 78, 86, 79, and 81. Compare to mean = 85.
  41. Math

    No advertisement. Cannot copy and paste here.
  42. Math

    Can't make sense out of your data.
  43. science

    Can't make sense out of your data. Three Ds for two cars? What pillars?
  44. Science

    It would depend on individual differences, age, health status, and so on.
  45. Science

    Sounds good.
  46. math

    Cannot see yellow sector. You cannot copy and paste here.
  47. math

    Since this is not my area of expertise, I searched Google under the key words "meteorologist predictions" to get these possible sources: https://us.search.yahoo.com/yhs/search?hspart=iry&hsimp=yhs-fullyhosted_011&type=mcx_mdmac_18_14_1¶m1=yhsbeacon¶m2=f%3D4%...
  48. Statistics

    Find the mean first = sum of scores/number of scores Subtract each of the scores from the mean and square each difference. Find the sum of these squares. Divide that by the number of scores to get variance. Standard deviation = square root of variance Z = (mean1 - mean2)/...
  49. Math

    p(not red) = (50-20)/50 = ?
  50. Statistic

    Z = (score-mean)/SEm = (4-3.5)/SEm SEm = SD/?n Look in the back of your statistics textbook for a table called something like “area under normal distribution” to find the proportion/probability related to the Z score.
  51. Statistics

    Please only post your questions once. Repeating posts will not get a quicker response. In addition, it wastes our time looking over reposts that have already been answered in another post. Thank you. See your later post. Jooby, if you can't provide an answer to the problem...
  52. Math

    Original cost for shopkeeper. (1-.2)(180) = 144 Original price before discount. 1.1 (180) = 198 (198-144)/144 = ?
  53. Science (portfolio)

    https://us.search.yahoo.com/yhs/search?hspart=iry&hsimp=yhs-fullyhosted_011&type=mcx_mdmac_18_14_1¶m1=yhsbeacon¶m2=f%3D4%26b%3DSafari%26cc%3DUS%26p%3Dmcyahoo%26cd%...
  54. Math

    You have two equations here. 3 * -3y = -3 -9y = -3 Divide both sides by -9. y = -3/-9 = 1/3 2x - y = -5 Substitute 1/3 for y and solve for x.
  55. Statistics

    It would depend on the question(s) you are asking.
  56. Statistics

    $ ?
  57. Biology

    Mutation naturally occurs in individuals. If that mutation helps the individuals survive, their offspring will continue the changes in the population, causing it to evolve.
  58. Math

    No choices given. Cannot copy and paste here.
  59. Statistics

    If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. P(pass Geog) = .05 * .74 = ? P(pass Stat) = .95 * .26 = ? Either-or probabilities are found by adding the individual probabilities.
  60. Math

    If he tosses a 3, from your data, Joe will lose 30.
  61. Biology

    Agree
  62. Math

    .0111 * 7.5*10^9 = ?
  63. Math

    Mean = ?x/n Calculate means. Whichever bags has the fewer potatoes, would have (on average) the larger potatoes.
  64. Sociology

    We do not do your homework for you. Although it might take more effort to do the work on your own, you will profit more from your effort. We will be happy to evaluate your work though. However, I will start you out. Street crime is usually perceived as more violent, while ...
  65. Biology

    Since a gamete is haploid, I would say one. A gamete is a reproductive cell or sex cell that contains the haploid set of chromosomes.
  66. Biology

    Again, what are your choices? You cannot copy and paste here.
  67. Biology

    What are your choices?
  68. Pre- Algebra

    The slope of a line in the plane containing the x and y axes is generally represented by the letter m, and is defined as the change in the y coordinate divided by the corresponding change in the x coordinate, between two distinct points on the line. Thus, even though it is ...
  69. Math

    Volume = ? r^2 h = 3.14 * 17^2 * 27 = ?
  70. Statistics

    Another way. Z = (score-mean)/SD = (58-70)15 = ? Then find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability related to the Z score.
  71. Statistics

    Z = (score-mean)/SD = (58-70)/15 = ? Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability related to the Z score.
  72. Statistics

    You are including values 5, 6, 7, 8, 9 & 10 and also the zero value for the range. 6/21 = ?
  73. Science

    It must be one of three that they improved on the most, but you can't pick which of the three unless you have specific data on the speeds. I would hope you are controlling the factors related to the data being typed.
  74. AP Statistics

    Whatever number is chosen, there is a 1/6 chance of that showing up on each die. If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. P(win one) = 1/6 * 5/6 * 5/6 = ? P(win none) = ...
  75. Math

    agree
  76. math

    12L * .85 * 120 = 28,800 Solve for L.
  77. science

    You want us to set up your experiment for you? We do not do your homework for you. Although it might take more effort to do the work on your own, you will profit more from your effort. We will be happy to evaluate your work though.
  78. Math

    Subtract 3 from both sides, then divide both sides by 7.
  79. Science

    Since the sun is a star, no difference Since this is not my area of expertise, I searched Google under the key words "evolution of a star" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=evolution+of+a+star&ie=UTF-8&oe=UTF-8 In the...
  80. Math

    You need to know what question you want to ask/answer.
  81. Pre-Algebra

    Disagree. Area = ? r^2 = ? 3^2 = ? (3*3) = ?
  82. algebra 2

    15 + 18 + 21 + 24 + 27 + 30 + 33 = ?
  83. math statistics

    Ignore my second post.
  84. math statistics

    Sorry, I gave you the answer to not failing. Subtract the answer to above from 1.00.
  85. math statistics

    Either-or probabilities are found by adding the individual probabilities. If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. P(1 fail) = .2 * .98^8 = ? P(2 fail) = .2^2 * .98^7 = ?
  86. Algebra 1

    T = 4B T = B + 210 Substitute 4B for T in the second equation and solve for B. Insert that value into the first equation to solve for T. Check by putting both values into the second equation.
  87. Science

    Since R indicates one allele and r indicates a different one, would that be "homo-" or "hetero-"?
  88. Life science (?)

    First, please do not use all capitals. Online it is like SHOUTING. Not only is it rude, but it is harder to understand. Thank you. Second, what investigation?
  89. Science

    We do not do your homework for you. Although it might take more effort to do the work on your own, you will profit more from your effort. We will be happy to evaluate your work though.
  90. Spanish

    We do not do your homework for you. Although it might take more effort to do the work on your own, you will profit more from your effort. We will be happy to evaluate your work though.
  91. Math

    You are right. I goofed.
  92. Math

    Disagree Area = 3.14 (150/2)^2 = ?
  93. Math (?)

    First, what is the sample mean and standard deviation? No spreadsheet given. Cannot copy and paste here.
  94. Math (?)

    Need mean and standard deviation of sample.
  95. Science

    Since this is not my area of expertise, I searched Google under the key words "functions of leaves" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=functions+of+leaves&ie=UTF-8&oe=UTF-8 In the future, you can find the information ...
  96. Math, Science

    Since this is not my area of expertise, I searched Google under the key words "displacement vectors in navigation" to get these possible sources: https://www.google.com/search?client=safari&rls=en&q=displacement+vectors++in+navigation&ie=UTF-8&oe=UTF-8 In the future...
  97. science

    However, it would be more convenient for us if you indicate your choice at each question, e.g., an asterisk (*).
  98. science

    agree on all
  99. Math(?)

    No drawing. Cannot copy and paste here. It would also help if you proofread your questions before you posted them. "2 in by 3 in. "? Is this for a doll house?
  100. statistics

    SEm = SD/?n = 27,000/?81 = ?
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