Posts by Lynn

Total # Posts: 627

  1. US Government

    Can someone please help confirm my answers? 1. Which of the following is TRUE regarding the Supreme Court’s modern rulings on regulation of interstate commerce? a. The Court allows federal regulation of almost anything related to interstate commerce. b. The Court permits ...
  2. math

    if i had to make 24 oatmeal cookies with 2/3 cup of butter, how much butter would i need to make36 oatmeal cookies
  3. 6th Grade Math

    you have already driven 60 miles x 2 hours=120 120-480=360 so you will have 6 more hours to drive,60 miles x 6 hours=360
  4. Math (Please help ASAP!!)

    Thank you everyone who chimed in! I ended up getting a 3 out of 4 for my answer!!
  5. Math (Please help ASAP!!)

    24. You use a line of best fit for a set of data to make a prediction about an unknown value. The correlation coefficient for your data set is -0.015. How confident can you be that your predicted value will be reasonably close to the actual value? My answer: I would be pretty ...
  6. Math

    Start at 500 create a pattern that subtract 4 from each number stop when you have 5 numbers
  7. Physics

    Three point charges are on the x axis: ?9 ?C at ?3 m, 2 ?C at the origin, and ?5 ?C at 3m. Find the force on the first charge. The value of the Coulomb constant is 8.98755 × 109 N · m2/C2. Answer in units of N.
  8. History

    Thank you Anon :) 100% thanks to you
  9. math

    Henry is going to rent a truck for one day. There are two companies he can choose from, and they have the following prices. Company A charges an initial fee of $25 and an additional 80 cents for every mile driven. Company B charges an initial fee of $44 and an additional 60 ...
  10. Sensory Science

    What are the pros and cons to using a sensory panel over an analytical measurement to evaluate the texture of a product?
  11. Chemistry

    okay, is there any written guidance that you can give me although?
  12. Chemistry

    Please draw a mechanism for the formation of propanal from the oxidation of C18:3 (linolenic acid). Show the pathway for the formation of lipid peroxide and the breakdown of the peroxide via B-scission. I am not interested in side reactions.
  13. Earth Science (check answers)

    the whole test answers 1-13 a b b d c a a a b d b b c
  14. algebra

    dishwasher is actually 1200 watt (not 122 sorry)...but that is what I thought too which is why I am seeking guidance. thank you for your help....what is the formula you used? when fractions are used doesn't that mean its inverse variation? I thought the problem only said ...
  15. algebra

    The cost of operating an appliance varies jointly as the number of watts, hours of operation, and the cost per kilowatt-hours. It costs $0.45 to operate a 3000-watt air conditioner for 2 hours at a cost of $0.075 per kilowatt-hour. Find the Cost of operating a 122-watt ...
  16. Math

    Harry lost 15p, which was 3/4 of his money. How much had he at first?
  17. Chemistry

    the Ka values are given in the question from the homework. Ka1 = 0.0560, for the equation: HOOCCOOH(aq) = HOOCCOO-(aq) + H+(aq) While Ka2 = 0.0145, for the equation: HOOCCOO-(aq) = -OOCCOO-(aq) + H+(aq)
  18. Chemistry

    What is the pH of the solution if 0.015 mol of HCl is added to a buffer containing 0.014 mol of RCOOH and 0.033 mol of RCOONa (source of RCOO-)? Ka = 2.8E-5 I have tried the following: adding 0.014 + 0.015 = 0.029 ph = pka + log (Base/Acid) pH = -log(2.8E-5) + log(0.033/0.029...
  19. Chemistry

    What is the Pb2+ concentration in a saturated solution of PbCl2 if the concentration of chloride ion is 0.023 M? Units: M ksp = 1.72x10^-5 i can't seem to get the answer. i have tried and ICE diagram and going from there: PbCl2 (s) <--> Pb ^2+ = 2Cl- I: 0.023 M = Cl...
  20. Chemistry

    What is the hydrogen ion concentration of a 0.22 M hypochlorous acid solution with Ka = 3.5E-8? The equation for the dissociation of hypochlorous acid is: HOCl(aq) = H+(aq) + OCl-(aq). I keep getting 3.60 as the concentration, but that is the wrong answer. Using ICE: Eq: HOCl...
  21. Chem

    A tablet containing calcium carbonate and fillers with a mass of 1.631 g was dissolved in HCl. After the fillers were filtered out, the HCl was neutralized by adding sodium carbonate. The resulting precipitate was pure calcium carbonate (with the fillers removed). The solid ...
  22. Chemistry

    So far i have done the following: Ln of (concentration A divided by Concentration A at time 0) = -k * T natural log (0.0174 M / 0.0693 M) / -489 sec which equals to 2.826 x10^-3 s-1
  23. Chemistry

    Hydrogen iodide decomposition via a second-order process to produce hydrogen and iodine according to the following chemical equation: 2 HI(g) -> H2 (g) + I2 (g) If it takes 489 seconds for the initial concentration of HI to decrease from 0.0693 M to 0.0174 M, what is the ...
  24. 8th Social studies

    thx boo your correct
  25. history

    What was the last christian city conquered by the Muslims.
  26. Chemistry

    Is calculating the sloope of the tangent line the same as calculating the slope? (y2-y1) / (x2/x1) for instance if i took the points 60, 0.023 for X1Y1 and points 100, 0.034 for X2Y2, the slope of the line would be : (0.034-0.023) / (100-60) = 0.011/40 = 0.000275 (the slope...
  27. Chemistry

    Using the following data, determine the initial rate by calculating the slope of the tangent line at time zero. Time (s). [I2] (mM) 0. 0 20. 0.009 40. 0.017 60. 0.023 80. 0.029 100. 0.034 120. 0.039 140. 0.043 160. 0.046 180. 0.049 I can't figure out how to make a tangent...
  28. Social Studies quiz PLEASE HELP

    Correct answer guy is right.
  29. Social Studies quiz PLEASE HELP

  30. Math

    Jenny's lawn is 1/3 of an acre. After moving 1/2 of the lawn, how much of an acre has she mowed? A. 1/5 B. 1/6 C. 1/2 D. 2/5 ______________________________ A leaking bucket is filled to 3/4 capacity. After some time, 1/2 of the water has leaked out. What fraction of the ...
  31. Algebra

    After thinking about it, two negatives cancel out to be neutral so the answer is D. No need for any feedback now.
  32. Algebra

    A line has slope -5/3. Through which two points could this line pass? A: (12,13), (17,10) B: (16,15), (13,10)*** C: (0,7), (3,10) D: (11,13), (8,18)*** My Explanation: I know how to use the formula for slope, which is y2 -y1 over x2 - y2, so I know how to solve the problem. ...
  33. Trig

    Find the exact value of the trigonometric function given that sin u=3/5 and cos v=-8/17. Both u and v are in quadrant II. Tan (u+v)
  34. Math

    Solve this equation for x. ab+c/xy = 3d/4 How do you solve this? Please help.
  35. Math

    Sarah has to go to her brother's baseball tournament that lasts for 4 days. She eats two-thirds of a hotdog at every game. He plays 2 games a day. Define your variables, write a function rule, find the domain and range, and tell whether the data is discrete of continuous. ...
  36. Math

    The number is closer to 60 than to 70. It is one number closer to65 than 68 is.
  37. science

  38. Biostatstics

    Question: The New York State Health Department reports a 10% rate of the HIV virus for the “at-risk” population. Under certain conditions, a preliminary screening test for the HIV virus is correct 95% of the time. (Subjects are not told that they are HIV infected ...
  39. Financial math

    Janet Woo decided to retire to Florida in 5 years. What amount should Janet invest today so she can withdraw $45,000 at the end of each year for 20 years after she retires? Assume Janet can invest money at 5% compounded annually.
  40. Maths

    Both of the digits is even. One of the digit is 4. The tens place is twice the amount of the ones place. The number is less than 70. What is the number?
  41. Math

    I have a square house that has 1130 square feet, what is the dimension?
  42. algebra Please c if this is right?

    Mrs. /green is randomly choosing team captains from her class of 12 girls and 10 boys. ?She draw one name from the bag, SETS IT ASIDE, and then chooses a second name. /What is the probability that both team captains are girls? I would say it is 2/7 Can someone check to see if ...
  43. geometry

    A D b d a b a d c b
  44. language arts

    Okay, so to answer the question, you need to find out what the author is feeling. In "Your Little Voice. . ." the author used happy words like skipping, merry, and delicious. But towards the end of the poem, the author used sad and depressing words like cried and ...
  45. english

  46. Math

    Thanks Damon.
  47. Math

    Is this correct? Divide the reciprocal of -9 by the opposite of -9. This is my answer -9/1 / -9 -1/9 / 9 -1/9 * 1/9 = -1/81
  48. Math

    Thank you.
  49. Math

    I need help. Solve the proportion: 4:x :: -3/8:12
  50. Language Art's

    gracious human is 100% correct thank you
  51. math

    The Jacobys went on a 600-mile trip. On the first day they drove 5 3/4 hours and on the second day they drove 4 3/4 hours. How many hours did they drive during the first two days?
  52. Math

  53. Algebra 1 help

    Christine is correct! I was struggling for the answer on question 2. Thank you!
  54. 6th grade algebra

    what expression represents a number n divided by eight increased by five? n/8+5 is this correct?
  55. Algebra

    Guys don't listen to Your Welcome used their equation and i double checked my work and I never got 6.9...
  56. economics

    Think about how each scenario would affect the price of khaki pants. a.A new technology reduces the time it takes to make a pair of khaki pants. b.The price of the cloth used to make khaki pants falls. c.The wage rate paid to garment workers increases. d.The price of jeans ...
  57. English

    All these sentences look right to me. Which is incorrect? Identify the incorrect sentence. A. The jury has been deliberating for the past three hours. B. Members of the jury have been deliberating for the past three hours. C. The jury is arguing over the evidence. D. Members ...
  58. math

    Explain why an even function does not have an inverse that is a function. and if log b < 0, what can you say about b?
  59. Maths

    Find the first four terms in the binomial expansion of (1+x)^(1/5) and state the range of values of x for which this expansion is valid.Hence approximate (31)^(1/5) correct to four decimal places.
  60. Maths

    Find the first four terms in the binomial expansion of (1+x)^(1/5) and state the range of values of x for which this expansion is valid.Hence approximate (31)^(1/5) correct to four decimal places.
  61. Maths

    A ball is dropped from a height of 80ft.The elasticity of this ball is such that it rebounds three-fourths of the distance it has fallen. How high does the ball rebound on the fifth bounce? Find a formula for the height the ball rebounds on the nth bounce?
  62. Physics

    A stone is thrown upwards from the roof with a velocity 15ms^-1 at an angle 30degree to the horizontal. The height of the building is 40m.calculate the magnitude of the velocity of the stones before it strikes the ground
  63. Physics

    A particle moving with uniform acceleration has initial velocity u. With the aid of a velocity time graph, show that the displacement s after time t is given by: s=ut+1/2*gt^2
  64. HELP!! Statistics!

    The accompanying data table lists measured voltage amounts supplied directly to a family’s home. The power supply company states that it has a target power supply of 120 volts. Using these home voltage amounts, test the claim that the mean is 120 volts. Use a 0.05 ...

    In a test of of garlic for lowering cholesterol, 45 subjects were treated with garlic in a processed tablet form. Cholesterol levels were measured beforeandafter the treatment. The changes in their levels of LDL cholesterol (in mg/dL) have a mean of 5.4 and a sd of 17.5. ...
  66. Statistics HELP!

    Use a normal approximation to find the probability of the indicated number of voters. In this case assume that 119 eligible voters aged 18-24 are randomly selected. Suppose a previous study showed that among eligible voters aged 18-24, 22% of them voted. The probability that ...
  67. Statistics

    If np ≥ 5 and nq ≥ 5, estimate P (fewer than 4) with n = 13 and p = 0.5 by using the normal distribution as an approximation to the binomial distribution; if np < 5 or nq <5, then state that the normal approximation is not suitable. P (fewer than 4) =
  68. math functions

    no he is not 3/8 real answers D A B A B C D A OPEN ENDED, I I WILL TELL YOU THE ANSWER ONCE I KNOW ITS RIGHT
  69. trig

    Find the bearing and airspeed for a plane to fly 630 miles due north in 3 hours if the wind is blowing from a direction of 318* and is blowing at 15mph. Approximate the bearing to the nearest degree and the speed to the nearest mile per hour.
  70. Algebra 1

    x/2=10+ 2y/3
  71. Chemistry

  72. Math- Calc 1

    1. At what point does the normal line to the curve x^2 - XY + Y^2 = 3 at the point (-1,1) intersect the curve again? 2. Find the constants A, B so that if Y=A*sin X + B cos X, then Y satisfies the differential equation Y" + 2Y = 0. 3. Find the points on he graph of Y = e^...
  73. Math- Calc 1

    1. At what point does the normal line to the curve x^2 - XY + Y^2 = 3 at the point (1,1) intersect the curve again? 2. Find the constants A, B so that if Y = Asin X = B cos X, then Y satisfies the differential equation Y" + 2Y = 0. 3. Find the points om he graph of Y - e^...
  74. algebra

    An alligator’s tail length, T, varies directly as its body length, B. An alligator with a body length of 4.5 feet has a tail length of 2.5 feet. What is the tail length of an alligator whose body length is 5.4 feet?
  75. psycholigy

    Cultural learning involves all aspects of the learning processes that psychologists have identified over the years, such include: a. classical conditioning b. operant conditioning c. social learning d. All of the above.
  76. Chemistry honors

    20 grams magnesium metal react with excess oxygen and 28 grams of magnesium oxide are produced in lab what is percent yield? If 99.8 g of aluminum nitrate are reacted with excess sulfuric acid what would be the theoretical yield in grams of aluminum sulfate? i have done both ...
  77. Science

    ^^ I get it I've been hoping all year they would be ACDC
  78. Physics

    a (n) 1510 kg car is moving along a level road at 13.8 m/s. The driver accelerates and in the next 10s the engine provides 23400 J of additional energy. If 3900 J of this energy must be used to overcome friction, what is the final speed of the car?
  79. Algebra

    Ticket Sales. Stacey is selling tickets to the school play. The tickets are $7 for adults and $4 for children. She sells twice as many adult tickets as children's tickets and brings in a total of $306. How many of each kind of ticket did she sell?
  80. Math

    Sara wants to put new carpet. She needs 20 square feet. the carpet was $4.00 a square foot. She got it for half price. What was the new cost of the carpeting? And the total?
  81. Stats

    A random sample of 100 GMAT scores has a mean of 500. Assume that GMAT scores have a population standard deviation of 120. Construct a 95% confidence interval estimate of the mean GMAT scores. (15 pts) What is the sample size for the conference interval? What is the point ...
  82. medical coding2

    does anyone know the answer the this coding question? This 42 Year Old White Male Who Accidentally Injured His Left Finger On A Circular Saw While Working O At Home In His Garagen Broken Shutters
  83. Calculus

    "Three hundred books sell for $40 each, resulting in a revenue of $12,000. For each $5 increase in price, 25 fewer books are sold. Write revenue R as a function of the number x of $5 increases." How would you get this problem started?
  84. Geom

    Given 70 degrees on a clock tell what time it is
  85. algebra

    I was looking for the estimated answer not the correct answer or formula to estimate
  86. algebra

    7 1/5 divided by 3/5 estimated
  87. algebra

    A manufacturer of birds feeder cut spacers from a tube that is 7 1/5 inches long. How many spacers can be cut from the tube if each spacer must be 3/5 inch thick. The estimated answer is?
  88. algebra

    p=b+a+c b=
  89. algebra

    z=yn y=
  90. algebra

  91. algebra

  92. algebra

  93. algebra

    P=a+b+2c for a
  94. Physics

    A heavier mass m1 and a lighter mass m2 are 20.5 cm apart and experience a gravitational force of attraction that is 8.60 10-9 N in magnitude. The two masses have a combined value of 5.80 kg. Determine the value of each individual mass.
  95. physical science

    bombarded by high-speed electrons.
  96. math ~dont know all but check some~ pls help!!!

    if they switch them around the answers are A B A D C D C A B
  97. math

    You need to hire a part-time associate to work 30 hours a week in your store. You have $250 in labor budget for the new associate each week. You just interviewed an excellent candidate for the position who has requested to be paid $9.00 per hour. Your average part-time ...
  98. history

    The answer is A
  99. Chemistry

    My question is ..can anyone explain how to do problem #2? I feel lost. :( And could you also explain why? Problem#1, is that a regular dG = dH - TdS problem? Then using Go = -RTlnK to find K? Im just afraid if there are other seps to it.. 1. The combustion of butane has the ...
  100. Chemistry

    I got it! I was using the incorrect Kb for each of the reactions! Thanks so much!!!
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