Posts by hannah

Total # Posts: 3,494

  1. Fractions

    so,its 2/6?
  2. Fractions

    1/2 of the birds at a pet store are yellow. tara buys 1 of the yellow birds. then 1/3 of the yellow birds at the store are yellow. how many yellow birds were at the pet store before tara bought one? how can i explain it step by step in 3rd grade version
  3. Physics

    An egg is thrown nearly vertically upward from a point near the cornice of a tall building. It just misses the cornice on the way down and passes a point a distance 37.0m below its starting point at a time 5.00 s after it leaves the thrower's hand. Air resistance may be ...
  4. science

    B and D
  5. physics(online)

    Find the change in the force of gravity between two planets when distance between them is decreased by 12
  6. Science help please

    Are you referring to supernatural..... if so... you guys are EVERYWHERE
  7. science

    It's B.
  8. math

    Stephanie is working on a graph that represents the path of a roller coaster. The point (0, 840) represents the point at which the roller coaster first begins to drop at a constant rate. The point (15, 240) represents a point along the ride at which the roller coaster is still...
  9. physical Science

    6,451 calories
  10. English help

    From the words below supply the words needed to complete the sentences. Euphemism, opaque, evanescent, exacerbated exemplary, ornate 1. The OPAQUE window was replaced by a transparent one; the change, however rather than making the situation better, only EXACERBATED the ...
  11. English

    Can any of check my answers on these three analogies? That would be great! 1. bear: den:: A. person : home B. locomotive: train:: C. wolf : lair D. fish : school I think it would be B :) correct me if I'm wrong 2. locomotive : train:: A. motor : auto B. tide : waves C. boy...
  12. Math

    I need some guidance on this next problem. Slope intercept form of the equation of the line described. Through (2,3) perpendicular to y=5
  13. history

    Thanks so muchhh!!!!! :)
  14. Algebra, URGENT!

    Two angles are supplementary if the sum of their measures is 180∘. If the measure of one angle is 13x degrees, represent the measure of its supplement as an expression of x.
  15. Math

    Apply a reflection and translation down 3 units to the following G(x)=3x-2
  16. Math

    Apply a translation up 6 units to the following F(x)- -6x-10
  17. Math

    Just makin sure if I did this right on my hw. So it says write an equation in slope intercept form that is parallel to y=3x-7 and passes through (0,4) I got y=3x+4 is that correct?
  18. Geometry

    An equilateral triangle has side lengths of 10. If the consecutive midpoints of the triangle are joined, then find the perimeter of the new triangle that is formed
  19. math

    a car rental company charges a flat rate of $29 per day and an additional $0.15 per mile. Write an equation to model the total charge
  20. Science

    I took my pulse while resting, walking in place, and running in place. Each for 30sec. My resting heartrate was 76, 68, and 70. With an average of about 71, then my walking in place heartrate was, 112, 106, and 109 with an average of 110bpm. Then last I ran in place for 30sec...
  21. calc

    what is the derivative of y=ln (1-x^2)^1/2 so its hard for me to write all of my work on here but i got 1/2(1-x^2) as my answer and that is one of the choices but it is not the correct choice. the correct answer is -x/(1-x^2) how did they get this answer?
  22. CHEMISTRY

    in order to find molarity you have to Divide the number of moles of solute by the number of liters of solution. so for this specific problem convert the grams of NaCl to moles and the ml of solution to Liters then divide.
  23. MATH

    What would the x intercept be?
  24. MATH

    No
  25. MATH

    IF point A is (3,8) and point B is -6,-4)and the slope is 4/3 what would the x and y intercepts be?
  26. Math

    How do you do an equation of line perpendicular through y-intercept?
  27. Math

    So now I then have to put it in a equation of line parallel thorough (-2,0). How would I do that? Then after that I would have to put equation of line perpendicular through y-intercept. How would I do that too? Thanks so much for help me I really don't understand this!!
  28. Math

    Okay!! So would y=-2x+8 be the equation?
  29. Math

    So if point A is (2,4) and point B is (3,2) and slope is -2 how would I find the x and y intercepts?
  30. Math

    So what would the point of point B be?
  31. Math

    If the slope is -2 and point A is (2,4) what would point B be?
  32. alebraga

    7x+3=3x+4
  33. College

    7x+6=x-30
  34. Physical Science

    Why do astronomers when using the method to calculate the distance to stars, they measure the parallax angels exactly 6 months apart?
  35. biology

    Before entering the Krebs cycle, an intermediate molecule bonds to a 2-carbon molecule. This intermediate complex enters the Krebs cycle and combines with a 4-carbon molecule to form citric acid. The name of this molecule is ____________________. A. citrase B. FADH C. ATP ...
  36. biology

    Oxygen becomes part of cellular respiration _________________. A. at the end of glycolysis B. at the end of the electron transport chain C. at the end of fermentation D. at the end of the Krebs cycle
  37. Math

    Please help me solve this!! I'm really struggling with this topic Write an equation in slope intercept form that is parallel to the following two points: (-1,4) and(1,5)
  38. Math

    Please help me solve this!! I'm really struggling with this topic Write an equation in slope intercept form with a y-intercept of 1 and is parallel to the given line
  39. english

    I am confused on this please help
  40. english

    . Which of the following is the best example of an inverted sentence? A. “All that breathe/Will share thy destiny. . . .” B. “and thee/The all-beholding sun shall see no more. . . .” C. “the dread reign there alone. . . .” D. “The oak/Shall ...
  41. Math

    what would the equation be in slope intercept of 1 and is parallel to the given line
  42. Math

    Write an equation in slope intercept form with a y-intercept of 3 and is perpendicular to the given line
  43. algebra 2

    can someone please answer this
  44. algebra 2

    (This homework question was removed due to a copyright claim submitted by NNDS.) I messed this up when I asked earlier is the right answer 3/4 ..please let me know
  45. algebra 2

    A cafeteria has 5 turkey sandwiches, 6 cheese sandwiches, and 4 tuna sandwiches. There are two students in line and each will take a sandwich. What isthe the probability that the first student takes a cheese sandwich and the next student takes a turkey sandwich? the answers I ...
  46. English

    Pick the correct letter for the analogy below. Please correct me if I'm wrong!! meditation: church:: A. calibration: math B. skating: rink C. watch: time D. collaboration : army Is it A?
  47. English

    Pick the correct letter for the analogy below. Please correct me if I'm wrong!! thermometer: heat:: A. monograph: books B. barograph : stocks C. seismograph : tremors D. telegraph: sound Is it B?
  48. English

    Pick the correct letter for the analogy below. Please correct me if I'm wrong!! A. thermometer: heat B. barograph : stocks C. seismograph : tremors D. telegraph: sound Is it B?
  49. English

    Is it C?
  50. English

    Pick the correct letter for the analogy below. Please correct me if I'm wrong!! toe: foot:: A. nose: face B. hand: arm C. finger: hand D. limb: tree
  51. algebra 2

    typo that was a choice f or the answers
  52. algebra 2

    A builder has 8 lots available for sale. · 3/4 Six lots are greater than one acre. · Two lots are less than one acre. answers I have to choose from 3/4 5/14 27/64 3/4 please help
  53. algebra

    I did not see it . sorry
  54. algebra

    . There is a 10% chance it will rain on Saturday and a 30% chance it will rain on Sunday. What percent chance is there that it will rain on both Saturday and Sunday? A. 3% B. 15% C. 20% D. 40% would the answer be c
  55. algebra

    There is a 10% chance it will rain on Saturday and a 30% chance it will rain on Sunday. What percent chance is there that it will rain on both Saturday and Sunday? A. 3% B. 15% C. 20% D. 40%
  56. algebra

    yes
  57. algebra

    y-6 = -3(x + 1) A. The slope is 3, and the y-intercept is -6. B. The slope is 3, and the y-intercept is 1. C. The slope is -3, and the y-intercept is 3. D. The slope is -3, and the y-intercept is 1.
  58. algebra

    Which is the equation of the line that contains the points (0,3) and (-2,4)? A. x+2y=6 B. 2x+y=3 C. 2x+y=0 D. x-2y=
  59. chem

    A cars gas tank holds 15.2 gallons of gasoline (density = 0.66 g/ml). How many pounds of gasoline are present in a full tank?
  60. math

    3. The half-life of a certain drug in the human body is 8 hours how long it would take for a dose of this drug to decay to 0.1% of its initial level?
  61. math

    2. A bacteria population grows exponentially with growth rate k=2.5 how long it would take for the bacteria population to double its size?
  62. math

    1.The remains of an old campfire are unearthed and it is found that there is only 80% as much radioactive carbon-14 in the charcoal samples from the campfire as there is in modern living trees. If the half-life of carbon- 14 is 5730 years, how long ago did the camp...
  63. math

    A cafeteria has 5 turkey sandwiches, 6 cheese sandwiches, and 4 tuna sandwiches. There are two students in line and each will take a sandwich. What is the probability that the first student takes a cheese sandwich and the next student takes a turkey sandwich?
  64. algebra 2

    In a shipment of alarm clocks, the probability that one alarm clock is defective is 0.04. Charlie selects three alarm clocks at random. If he puts each clock back with the rest of the shipment before selecting the next one, what is the probability that all three alarm clocks ...
  65. algerbra 2

    would this be 20 %
  66. algerbra 2

    There is a 10% chance it will rain on Saturday and a 30% chance it will rain on Sunday. What percent chance is there that it will rain on both Saturday and Sunday
  67. Math

    What is the y-intercept for the equation x=3y-6=0?
  68. Math

    What is the y-intercept for the equation x=3y-6=0?
  69. Math

    Write the equation of a line whose slope is the same as the line y=-2x=7 and whose y-intercept is the same as the line 2y=x-8.
  70. science

    During road construction a section of rock is cleared which contains many fossils each shovel of rock removed from the trench uncovers several fossils some of the fossils That are exposed include a prehistoric fish petrified wood water plant imprints and jawbone from a giant ...
  71. Statistics

    C) 2.3
  72. Science

    The answers are D,B,A,C incase anyone in 2016 is looking lol
  73. History!!!!

    were they correct ms.sue?
  74. biology

    Enzymes in the human body work in a very wide range of conditions. A. True B. False
  75. biology

    Substance X is converted to substance Y in a chemical reaction. What role would a catalyst play in this scenario? A. It would increase the solubility of substance X into the solvent needed to speed up the reaction. B. It would speed up the reaction by becoming part of the ...
  76. biology

    an experiment, a scientist notices that an enzyme’s catalytic rate decreases when the pH of the environment is changed. Which of the following best summarizes the effect of pH on the enzyme? A. pH changes the shape of the enzyme. B. pH takes energy away from the enzyme, ...
  77. science

    2. How do enzymes impact biochemical reactions in the body? A. Enzymes are catalysts to biochemical reactions. B. Enzymes lower the activation energy of biochemical reactions. C. Enzymes can speed up biochemical reactions. D. All of the above are correct.
  78. science

    1. In an experiment, a scientist notices that an enzyme’s catalytic rate decreases when the pH of the environment is changed. Which of the following best summarizes the effect of pH on the enzyme? A. pH changes the shape of the enzyme. B. pH takes energy away from the ...
  79. biology

    Sulfur has six electrons in its outer most energy level. In ionic bonding, it would tend to ­­­­­­­­­_____________________________. A. take on two more electrons B. give away two electrons C. give away six electrons D. not take on anymore ...
  80. biology

    Which of the following involve electronic charges? A. hydrogen bonds B. ionic bonds C. polar molecules D. all of the above
  81. algebra

    I have a problem with this: y=1.5x Questions: What is the rate of change between the variables? State whether the y values are increasing or decreasing, or neither, as x increases Give the y intercept List the coordinates of two points that lie on the graph of the line in the ...
  82. biology

    Which of the following involve electronic charges? A. hydrogen bonds B. ionic bonds C. polar molecules D. all of the above
  83. biology

    Sulfur has six electrons in its outer most energy level. In ionic bonding, it would tend to ­­­­­­­­­_____________________________. A. take on two more electrons B. give away two electrons C. give away six electrons D. not take on anymore ...
  84. social studies

    What is a possible explanation of why China abandoned overseas exploration in 1435? A. China could not develop advanced naval technology. B. The voyages of Zheng He failed to impress local rulers. C. Confucian scholars wanted to protect China’s traditions. D. The Chinese ...
  85. algebra 2

    Isabella shipped a 5-pound package for $4. She shipped a 3-pound package for $3.60 and a 1-pound package for $3.20. A 10-pound package cost $5 to ship. The shipping cost follows a pattern based on the weight of the package. Which expression can be used to calculate the ...
  86. algerbra 2

    1. Marissa is a photographer. She sells framed photographs for $100 each and greeting cards for $5 each. The materials for each framed photograph cost $30, and the materials for each greeting card cost $2. Marissa can sell up to 8 framed photographs and 40 greeting cards each ...
  87. Chemistry

    please explain
  88. Physics (Please check)

    So I just want to make sure I did the math corretly: My value for angle of incidence was 20 degrees and for refraction it was 15 so I did Sin(20) / sin (15) = 1.32 which is very close to the accepted value. Is this corret?
  89. Physics (Please check)

    Calculate the index (n water) of refraction of water given the angle of incidence and the angle of refraction. I know that the accepted value for n is 1.33 but I am not sure how to calculate the index. Would I use Snell's law: na sin Qa = nb sin Qb? Thank you!
  90. Math

    What would this look like in an equation in slope intercept form? through (-3,4) and (3,-4) Would it be Y=4/3x+0 ??
  91. Math

    What would this look like in an equation in slope intercept form? X-intercept -4, Y-intercept -2 Would it be Y=-1/2x+2 ??
  92. Math

    What would this look like in an equation in slope intercept form? through (0,7) and (1,9) Would it be Y= 2/1x+7 ?
  93. Math

    How would you put this in an equation in slope intercept form? what would it look like? X-intercept -4, Y-intercept -2
  94. Math

    How would you put this in an equation in slope intercept form? what would it look like? Y-intercept -5, X-intercept 3
  95. Math

    How would you put this in an equation in slope intercept form? what would it look like? Slope -3; x-intercept 3
  96. Math

    How would you put this in an equation in slope intercept form? what would it look like? Slope 1/2 ; x-intercept 4
  97. English

    Is that correct?
  98. English

    False
  99. English

    Whitman, Bradstreet, and Wheatley included sensory details in their poetry. True/False
  100. algebra

    please help with my other ones
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