Posts by jeffery

Total # Posts: 74

  1. Math degrees

    A circle is 360 degrees, this circle has 9 equal section. Therefore, take 9/360 which equals 40. The measure of each angle for each section is 40.
  2. US History

    Better transportation systems
  3. Science

    A geologist measured the amount of 40K in a rock; she determined that there was about 10 grams of 40K and 10 grams of 40Ar. What would be the approximate age of that rock?
  4. math

    7/35 = .2 Average change = .2
  5. Science Chemistry

    How do I make an electron dot diagram for MgO? (
  6. Math 7

    But how would you solve the other 3 then
  7. Math 7

    In a bag there are 2 red marbles 3 white marbles and 5 blue marbles. Once a marbel is picked it is not replaced. Find the following probabilities: P(red,then white) P(blue, then red) P(red, red, red) P(blue, blue, white)
  8. Math

    Thank you.
  9. Math

    Write "3 times the sum of x and 5 is 90" as an equation. You don't have to solve. Thank you in advance!
  10. Chemistry

    it is not pure gold
  11. 5th grade math

    A seed needs to grow 3 in. in one week. the seed grows 1 7/8 in. one day and 1/2 in. another day. how many more inches does the seed new to grow. Do I add or subtract. help
  12. Math

    Idk
  13. Math

    Thank you!
  14. Math

    On Monday, thirty percent of the pies sold at the pie store were apple. If 24 apple pies were sold on Monday, how many of the other types of pies were sold that day? I think I should start with 30/100 and 24/x but I am not sure. =80 80-24 = 56
  15. Math

    On Monday, thirty percent of the pies sold at the pie store were apple. If 24 apple pies were sold on Monday, how many of the other pies were sold that day? I think I should start with 30/100 and 24/x but I am not sure. =80
  16. Math

    Thank you!
  17. Math

    It is a picture of a square. So maybe I should double the numbers since I need to account for the other 2 sides. 10x2=20 20x$3.50 = $70.00 Is this right?
  18. Math

    The numbers are right. I just double checked.
  19. Math

    Felix used a scale factor of 1 inch = 2.5 feet to draw model of his backyard, as shown below. He is planning to build a fence around the yard. If the cost of the fence is $3.50 per foot, how much will it cost him to build the fence? Length 2.75in. width 1.25in Is my answer ...
  20. math

    I am still having difficulty finding the expression
  21. math

    Alberto filled his tire on a Saturday. Three days later the tire pressure in the tire measured 26 psi. On the following day one week after he had originally filled the tire, the tire pressure measured 18 psi. I'm to to find b in y=-2x+b I'm trying to solve the equation...
  22. math

    On Saturday, Alberto filled his right rear tire with air at the gas station around the block from where he lives. Three days later the tire pressure in that tire measured 26 psi (pounds per square inch). On the following Saturday, one week after he had originally filled the ...
  23. Social Studies (History)

    What did Germany, Italy, Japan, and the Soviet Union aka USSR have in common before WWII? please have four reasons and please explain why these countries had that similarity.
  24. science... PLEASE HELP!

    The problem says "during which stage of the cell cycle does the cell membrane pinch the cell in two?" I said the cytokinesis stage is when the cell membrane pinches the cell in two. Am I correct? If not, please help!
  25. Social Studies (History)

    What were the reasons for Prohibition and what were the results of the Prohibitions?
  26. Social Studies (History)

    How did the rifle, machine guns, tanks, poison gas, and planes effect on how the war is fought (World War 1)? Please do each one individually.
  27. science... PLEASE HELP!

    Please explain how the movement and position of the particles change when a liquid bevomes a solid.
  28. science... PLEASE HELP!

    Why does an investigator in an experiment change only one variable?
  29. science... PLEASE HELP!

    Please describe a constant in an experiment.
  30. history

    How does societal change happen? Please give 2 methods and an explanation why you chose your reasons.
  31. math

    When it says "three times the quantity of a number increased by 2 is 108" what would the equation be?
  32. math

    But wait. How did you get the dimensions for the length and width the way you did?
  33. math

    Oh never mind I see what I did to make it more than 60.
  34. math

    But then when I do the perimeter for the width and length I would get more than 60.
  35. math

    David currently has a square garden. He wants to redesign his garden and make it into a rectangle with a length that is 4 feet shorter than twice its width. He decides the perimeter should be 60 feet. Determine the dimensions, in feet, of his new garden. What would be the ...
  36. math

    Oh, I did the oppistie of that. I multiplied the 2 from n/2 on both sides of the equal sign and I got, n, as 5. However, how could you subtract from a division to a multiplication?
  37. math

    Okay, but I believe you have lost the equal sign when you switched from 3n-5=n/2+20 to 3n-n/2=25.
  38. math

    If it says: "five less than three times a number is 20 More than half a number" would the equation be 3n-5=n/2+20? If so what would the answer be? Please help this is a bit confusing!
  39. math

    Would the answer be -10?
  40. math

    When it says "eight less than twice a number is 12 more than four times the number" will its equation Be, 2n-8=4n+12? And if that is true how could I solve it?
  41. ELA

    Okay, so this sentence, "The banners precede the band in a parade" is good for the word?
  42. ELA

    How could I use the word 'precede' in a sentence?
  43. math

    the answer is "TAKE THE SHORTEST ROOT"
  44. Social Studies

    c.Oregon
  45. math

    52
  46. American Government

    ok thank you so much!
  47. American Government

    Please Check = is the answer I selected. 1. In _____ countries, a single authoritarian party usually controls the political system, and the government owns most property and directs the majority of economic activity. A.) mercantilist B.)feudal C.) socialist =D.)communist 2. ...
  48. science

    calculate the momentum of 2.5 kg puppy that is running with a velocity of 4.8 m/s south
  49. math

    the area of the original square piece of paper are 169
  50. Chemistry

    An electrochemical cell is created using gold and magnesium half-cells. a. Determine which half-cell will undergo oxidation and which will undergo reduction, identify anode and cathode, and calculate the voltage for the cell. You do not need to diagram the cell. b. If the mass...
  51. Chemistry2

    WO3 (s) + 3 H2 (g) -> W (s) + 3 H20 (g) Tungsten is obtained commercially by the reduction of WO3 with hydrogen according to the equation above. The following data related to this reaction are available. DeltaH(kilojoules/mole) for WO3 is -839.5. DeltaH for H20(g) is -241.6...
  52. chemistry

    Great! Thanks for your help
  53. chemistry

    Oh ok, do you think its just a typo? My teacher said that it is realatively soluble, but more insoluble than other nitrate salts
  54. chemistry

    Sorry, I meant Ba(NO3)2 in the question
  55. chemistry

    Calculate te calue of Ksp for Ca(NO3)2 using the data below. Ba(aq) delta G0f= -561 kJ/mol NO3 (aq) delta G0f= -109 kJ/mol BaNO3 (s) delta G0f= -797 kJ/mol
  56. geometry

    make a conjecture about the item in the sequence 6, 8, -32, 120 pick ansewr a. 116 b.-480 c.122 d-488
  57. business

    direct request
  58. college calculus 1

    Find the local and absolute extreme values of the function on the given interval. f(x)=x^3-6x^2+9x+1, [2,4]?
  59. college

    I'm very confused?
  60. college

    Suppose that the number of cars, C, on 1st Avenue in a city over a period of time t, in months, is graphed on a rectangular coordinate system where time is on the horizontal axis. Further suppose that the number of cars driven on 1st Avenue can be modeled by an exponential ...
  61. college

    sorry but yes it is college algebra
  62. college

    Suppose that the number of cars, C, on 1st Avenue in a city over a period of time t, in months, is graphed on a rectangular coordinate system where time is on the horizontal axis. Further suppose that the number of cars driven on 1st Avenue can be modeled by an exponential ...
  63. Literature

    Can some one please explain these stanzas to me? I have read them over and over and am still so confused. Take up the White Man's burden-- Send forth the best ye breed-- Go bind your sons to exile To serve your captives' need; To wait in heavy harness, On fluttered ...
  64. physics

    a jet pilot takes his aircraft in a vertical loop. a) if the jet is moving at a speed of 2000 km/h at the lowest point of the loop, determine the minimum radius of the circle so that the centripetal acceleration at the lowest point does not exceed 6.0g's b) calculate also ...
  65. math

    Factor: Y2 - 8Y - 20 the 2 is too the second power
  66. art help needed

    the answers were #1. pessimism #2. despair #3. working class #4. false. thank you all for the help!!!
  67. art help needed

    The last major painting of Manet's career, A Bar at the Folies-Bergere, reflects the artist's: optimism pessimism intense emotion positivism I see it was expressionism, but which of the answers given is a term related to that? i think it is positivism? Goya who "...
  68. art history help please!

    If you could please check these and just let me know which ones are correct! also if you have any input on a better answer, or atleast where i can find a better answer, i would greatly appreciate it! This artist painted scenes of upper-class recreation: Edgar Degas Claude ...
  69. art help needed

    #1. Corot painted only in his studio using professional models for his subjects. a. true b. false 2. Photography as we know it emerged around 1840. a. true b. false 3. Claude Monet agreed with the outdoor painters of the Barbizon school in their conception of landscape as a &#...
  70. algebra (21)

    train A and B are traveling in the same direction on a parallel tracks. Train A is traveling at 40 miles per hour and Train B is traveling at 48 miles per hour. Train A passes a station at 3:15pm. If train B passes the same station at 3:45pm. At what time will train B catch up...
  71. englich

    In the sentance liz through the play was incredibly dull. what part of speech is incredibly
  72. 4th Grade math

    25
  73. geometry:linear measure and precision

    find the value of the variable and KL if K is between J and L. JK=6r,KL=3r,and JL=27
  74. geometry:linear measure and precision

    find the value of the variable and KL if K is between J and L.