Posts by PsyDAG

Total # Posts: 24,250

  1. math

    First, online, “*” is used to indicate multiplication to avoid confusion with “x” as an unknown. In the first, you are converting to a larger unit, while the second you are converting to a smaller unit.
  2. English

    What Story?
  3. Mathematical Literacy,Business,Economics,Life Orientation

    You also consult with your high school counselor, who can give you an interest test to define your interests more clearly and indicate what types of occupations fit those interests.
  4. Biology

    Welcome
  5. Biology

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

    6/2 = 3 Take it from there.
  7. Using Geometry in Probability

    Both need to be there at sometime during the same 15 minutes. 15/60 = .25
  8. Science

    Mean = ?x/n (10+20+60)/3 = ?
  9. English

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

    If candies are only round-shaped, 30%. If box contained both shapes, 60% * 30% = ? If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events.
  11. Ancillary health care

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

    Since this is not my area of expertise, I searched Google under the key words "produce sodium carbonate " to get this possible source: https://en.wikipedia.org/wiki/Sodium_carbonate Scroll down. In the future, you can find the information you desire more quickly, if ...
  13. math

    Many possibilities from your limited info: 3192 4272 3264 etcetera
  14. statistics

    Here is the process. Z = (score-mean)/SD Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability greater than Z.
  15. Math

    Which expressions have you come up with? Here is one. 1.25c = August
  16. Statistics

    It would help if you proofread your questions before you posted them. No part (b). (a) With repeats allowed, multiply all consonants by 21, all vowels by 5 and all numbers by 10 to get the total number of passwords possible.
  17. MaTH

    Use similar process to the one described in your previous post.
  18. Maths

    Multiply first equation by 2, then subtract it from the second equation to find x. Put that value into either equation to find y.
  19. HP

    No translations given. You cannot copy and paste here.
  20. English

    It would help if you proofread your questions before you posted them. Check your spelling. Although all are direct objects, both are acceptable, but the second pair is clearer.
  21. English

    2 is not as clear as 1.
  22. English

    https://en.wikipedia.org/wiki/Adverbial_phrase
  23. English

    I don't think so. https://en.wikipedia.org/wiki/Adverbial_phrase
  24. algebra

    10 + .25x = .75x Solve for x.
  25. English

    "Go straight two blocks, then turn left." would be best if a turn is required. 1 and 2 suggest that the destination is immediately on the left. Either 3 or 4 can be used, but "that is to say" is unnecessary. Wouldn't it be "the Chicago Library"?
  26. Algebra

    Asking every student would be fine, if the would cooperate. The number of servings are likely to vary throughout the week. "What do you eat..." i s too vague. "On average, how many servings of fruit or vegetables do you have each day? Circle one. 1 2 3 4 5"
  27. Math

    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.
  28. algebra

    Online "^" is used to indicate an exponent, e.g., x^2 = x squared. 2. disagree 3. disagree Watch the signs (+ and -) more carefully.
  29. Statistics

    You need the standard deviation. However, I'll leave the rest to 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.
  30. math

    Are you aware that the year = 12 months? 600/12 = ? 550 * 11 = ? 450 * (11+2) = ? 765 + (4056/12) = ?
  31. Maths

    It would help if you proofread your questions before you posted them.
  32. Mathematics

    (b) x - 2/5x - (3/5*3/8)x = 2400 (a) 2400/x = ? Solve for x, then fraction.
  33. anatomy

    Not sure on the first two, but I can tell you that both of you are wrong on the third. Try Googling the terms.
  34. Science

    Assuming that both of the heterozygous parents have both blue and brown genes, and blue is recessive to brown, e.g., Bb. Construct a Punnett square and continue from there. https://us.search.yahoo.com/yhs/search?hspart=iry&hsimp=yhs-fullyhosted_011&type=mcx_mdmac_18_14_1&...
  35. Maths

    It would help if you proofread your questions before you posted them. How can we help you?
  36. writing

    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, 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. ...
  37. math

    If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. c) 3/12 * 9/(12-1) = ? Use the similar process for a and b.
  38. math

    3 * 3 * 3 = 27
  39. ENGLISH

    Yes, but it needs a comma. While I was getting up, my parents were sleeping.
  40. Math

    I'll start 3 for you. If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. P(2W) = 2/9 * (2-1)/(9-1) P(2P) = 7/9 * (7-1)/(9-1) Either-or probabilities are found by adding the ...
  41. algebra

    P + C + M = 759 C = P + 19 M = 2P - 28 P + (P+19) + (2P-28) = 759 Solve for P, then C and M.
  42. Science

    Wrong guess.
  43. Math

    What is your question?
  44. math

    Cannot draw on these posts.
  45. math

    If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events.
  46. Statistics

    Z = (score-mean)/SD 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. However, depending on the degree and direction of the skew, the probability may not ...
  47. math

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

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

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

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

    What do YOU think?
  52. Math

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

    Yes
  54. math

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

    Agree
  56. Math

    4m
  57. 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%...
  58. 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%...
  59. 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 = ?
  60. Math

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

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

    This is not algebra.
  63. Science

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

    Looks fine to me.
  65. Math

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

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

    Unless there is a typo, 42/8 = 5 with 2 sweets left over.
  68. 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.
  69. Algebra

    No statements. Cannot copy and paste here. Sexist; Mandy's equation choices are all, y = 9x.
  70. 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?
  71. Science

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

    Since both = y, they must be equal to each other. x^2+2x = 3x+20 Solve for x, then y.
  73. 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 ...
  74. Pre-Algebra

    Agree with Swimmer
  75. math

    No line plot. Cannot copy and paster here.
  76. 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%...
  77. Math

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

    It would depend on how close the planet is to the sun.
  79. 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.
  80. 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-...
  81. 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.
  82. 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 = ?
  83. 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%...
  84. 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 ...
  85. Statistics

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

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

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

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

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

    Sounds good.
  91. math

    Cannot see yellow sector. You cannot copy and paste here.
  92. 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%...
  93. 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)/...
  94. Math

    p(not red) = (50-20)/50 = ?
  95. 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.
  96. 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...
  97. Math

    Original cost for shopkeeper. (1-.2)(180) = 144 Original price before discount. 1.1 (180) = 198 (198-144)/144 = ?
  98. 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%...
  99. 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.
  100. Statistics

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