Posts by sarah

Total # Posts: 6,129

  1. English

    2. believe 8. understood 9. anyone
  2. English

    I answered the questions
  3. English

    Thank you
  4. English

    Each sentence in the following passage contains one mistake in subject-verb agreement. Find and underline the ten verbs that do not agree with their subjects. Then write the correct form of each verb on the lines below. Note To help you learn subject-verb agreement, ...
  5. American Government

    How has a recent supreme Court ruling affected your life? Do you agree or disagree with the court's decision in this case?
  6. Geology

    Differences and similarities between a physical geologist and a historical geologist
  7. Social studies

    because the river became polluted, natural shift occurred in the region, and the river dried up, Saraswait-is the Hindu goddess of knowledge, music, art, wisdom and learning worshiped throughout Nepal and India. She is a part of the trinity (Tridevi) of Saraswati, Lakshmi and ...
  8. Math

  9. science

    oops srry
  10. science

    D-Valence electrons; the further away electrons are from the nucleus, the more energy they need to be attracted.
  11. math

    Oh OK... thank you! so that would be 13.5?
  12. math

    what is 18% of 75?
  13. Math connexus

    I'm sorry to say this but Ms. Sue is right you should not cheat at your work because I us to and they found out and held me back so do not do what I did.
  14. Math

    A group of teachers and pupils attended a concert. The teachers paid $1200 altogether and the pupils paid $640 altogether for their tickets. The price of an adult ticket was $60 and there were 4 more female teachers than male teachers. How many male teachers were there in the ...
  15. Math

    I Can Multiply The Number Of_______In A Polygon By________To Find The Sum Of Its Interior Angles
  16. Chemistry

    please explain how to do it I have no idea where to start! Thank You If you burn 30.2 g of hydrogen and produce 2.70 × 102 g of water, how much oxygen reacted?
  17. Chemistry

    Convert 4.39 × 10-3 m to the equivalent length in nanometers. please explain how to do it I have no idea where to start! Thank You
  18. Math

    Which percent is equivalent to 1 1/4?
  19. socail Studies

    So what is the answer?
  20. Physics

    Can acceleration of object have a negative quantity ?
  21. Physics

    Calculate the velocity of a 6kg riffle that shoots a 0.025kg bullet at a speed of 615m/s.
  22. Physics

    Two vectors have a magnitude of 2.5km and 6.5km . Predict the maximum and minimum magnitude of their resultant vector
  23. Physics

    A snooker ball with a mass of 0.3kg moving at 2.5m/s collides with another ball of 0.2kg mass and moving in the same direction with a speed of 1.20m/s . Assuming the collision is elastic, calculate the speed and direction of each ball after collision.
  24. Physics

    A ball is thrown horizontally at 18m/s from the roof of a building lands 28metre from the base of the building. Calculate the height of the building.
  25. Physics

    vector A is 5.5cm and points 60°above the positive x-axis. Vector B is 6.5cm and points along thr negative x-axis. Calculate the magnitude and direction of the resultant of these two vectors.
  26. Physics

    A bullet is fired horizontally and penetrates into a block of wood. The block and bullet then move together after impact. Explain the total linear momentum and total kinetic energy of the system before and after the collision
  27. Physics

    A ball of mass 1.20kg falls vertically and hits a horizontal floor at 2.50m/s . The ball then rebounds upward at 10.00m/s . If the ball is in contact with the floor for 0.02 seconds, compute the average force exerted on the floor.
  28. Physics

    A projectile is shot horizontally at 34.5m/s from the edge of a 55.0metre building . Determine the height of the projectile from the ground after 2.0seconds .
  29. English

    In the story "The Lemon Tree Billiards House" Is the narrator trustworthy? Can we believe his story? Explain.
  30. English

    From the story "The Lemon Tree Billiards House", provide 2 examples of a humorous tone and explain why/how this is funny.
  31. Art

    Hey is right I just took it and got a 5/5 Thanks Hey You are my new friend.
  32. Art

    The answer are 1) D 2) B 3) C 4) E 5) A
  33. Math

    Thank you so much So My equation would be: 500/180+x= 400/180-x And the answer that I get is: 20km/h. Is at correct?
  34. Math

    I'm not sure what you did. What is VA and VW?
  35. Math

    an airplane travels 500 km with the wind in the same time that it takes the airplane to travel 400 km against the wind. the average speed of the plane in still air is 180 km/h. what is the average speed of the wind? Airplane with wind: Distance: 500km Speed: 180+x Time: ...
  36. Chemistry! urgent

    what volume of gas at 40°C and 1.50 atm is necessary to react with 300 L of hydrogen gas measured at the same conditions? 2H2 (g) + O2 (g) --> 2H20 (g) 1.50 atm= 151.KPa How would I solve this? Because I can't use: PV = nRT I have pressure, temperature, r. There'...
  37. Algebra

  38. Algebra

    So what is the answer because I don't understand
  39. Math,Calculus

    The function’s value will always be greater than or equal to the local linear approximation of a function f if, for all x in an interval containing the point of tangency a. f’’>0 B. F’’<0 C.f’>0 D.f’<0
  40. Chemistry

    Okay thank you
  41. Chemistry

    Okay thank you
  42. Chemistry

    I'm not really sure how to do this. I've tried many ways and I can't get the right answer of 0.0569 mol/L H3PO4 100.0 mL of a solution containing 2.55g of potassium hydroxide is mixed with 100.0 mL of a 1.50 mol/L phosphoric acid solution. Will the resulting ...
  43. Chemistry

    Why are the hydrogen bonds of a certain molecule weaker in solution (with water as a solvent) than in a vacuum? I'm supposed to have three reasons, and so far all I can come up with is that the water lowers the activation energy required to form the bond and that the ...
  44. Chemistry 20

    Okay thank you so much. And yup you're right, methyl red is red is the only possible indicator. And yup that makes sense!
  45. Chemistry 20

    which of the following indicators would show an intermediate endpoint of color of orange: bromocresol green, methyl red, phenolphthalein or methyl violet? No clue how to do this. And what does it mean to show an intermediate endpoint. Please help
  46. Chemistry

    I've been given a table with the following information: Br-Br bonding energy (298 K): 192.807 kJ/mol Br2 vaporization energy: 30.91 kJ/mol boiling point of bromine: 332 K The question reads, "A chemist heats liquid bromine to 335K, and a gas forms. Is the change that ...
  47. English

    I'm writing a critical essay.and when we do say, mean and matter for our quote, the matter is outside of the text. So my thesis needs to be general but regarding to Macbeth's responses.
  48. English

    I'm writing a critical essay.and when we do say, mean and matter for our quote, the matter is outside of the text. So my thesis needs to be general but regarding to Macbeth's responses.
  49. English

    I need help doing a thesis for Macbeth by Shakespeare. I'm focusing on the character Macbeth and my theme is ambition. Intially: -He is shown as a loyal soldier who is kind (fill with the mill of human kindness) -He gets startled when the witches tell him his 3 prophecies...
  50. Physics

    It should be velocity, but if the question is assuming that direction doesn't matter, then the answer is probably speed. Displacement would be the area under the curve of a velocity vs time graph.
  51. Chemistry

    Just to make sure I'm on the right track here, is it correct to say that larger molecules have a higher heat of vaporization/condensation than smaller molecules? I figure that since larger molecules have stronger dispersion forces, it takes more energy for them to break ...
  52. Chemistry

    You'll want the overall charge of the compounds to be 0. For A, how can you balance +2 and -3 to make an overall charge of 0? For B, do you know how to find the charge of copper (II)? (Hint: it is in the name.)
  53. Science

    We know there are about 6.02 x 10^23 atoms in a mole, so convert the grams to moles and then multiply by Avogadro's number to find the number of atoms.
  54. Chemistry - Liquid Methane?

    "The planets Uranus and Neptune are so far from the Sun that temperatures are low enough for atmospheric methane, CH4, to condense and form clouds. How is it possible for methane, a nonpolar substance, to exist in this liquid state?" I want to say it's because ...
  55. Chemistry

    The question on one of my assignments says, "Explain why a thick layer of ice on the lake can support the weight of a person, but the liquid water cannot." I would assume it's because solids are solid and liquids are liquid, but I feel like they want a more ...
  56. Math

    A brick patio has the approximate shape of a trapezoid. The patio has 16 rows of bricks. The first row has a = 13 bricks and the 16th row has b = 28 bricks. How many bricks are in the patio?
  57. Math

    Going to bake 100 cookies. If 3 cups of flour will make 20 cookies. How much is needed for 100
  58. Math

    Never mind I got it
  59. Math

    I know that lmao I'm just looking for some help
  60. Math

    Explain It Use your design and analysis to write a website posting describing the process readers can use to make a string of pennant flags using any length string and any size square. Your posting should include the following: ? step-by-step instructions ? a formula that can ...
  61. math

    A credit card had an APR of 23.51% all of last year and compounded interest daily. What was the credit card's effective interest rate(EIR) last year? Show your work.
  62. math

    thank you
  63. math

    so in a rhombus all sides are equal ?
  64. math

    a property of rhombi that is not a property of parallelograms
  65. math

    so the answer is 9,4?
  66. math

    M(1, 7) is the midpoint of PQ¯¯¯¯¯ . The coordinates of point P are (?8, 3) . What are the coordinates of point Q?
  67. math

  68. math

    i know that this deals with the midpoint formula and stuff like that
  69. math

    please help im really struggling Point A is located at (2, 6) and point B is located at (18, 12). What point partitions the directed line segment ? AB¯¯¯¯¯ ? into a 2:3 ratio?
  70. History

    does modern day war coverage present the same opportunity to present an interpretation of event that this artist illustration did of conflict in sudan ?why or why not?
  71. math

    an ostrich at the zoo that is 140 pounds. how many ounces does the ostrich weigh?
  72. math

    If I have a line of best fit, y = -3.0681x + 287.7095 is -3.0681 the slope? And is 387.7095 the y-intercept? And what exactly does that y-intercept mean? That's where that line crosses the y-axis?
  73. algerbra

    p=2L + 2w find L when P=24 and W=4
  74. Spanish

    Would someone be able to help me translate this into English? I'm not sure it makes sense. Tan bomba vas a ser? De donde ss Thanks in advance.
  75. reading

    Please help me
  76. Social Studies

    Why did Japan need to rebuild its economy following World War 2
  77. math

    I just want to check to make sure I am correct -- my equation is y = -x^2 + 90x - 800 If x = 100, -x^2 would be 10,000, not -10,000? Because -100 x -100 is 10,000, not -10,000 --- my calculator keeps giving me a negative number. So my overall number is 18,200
  78. Social Studies

    Yeah, you are right, you probably dont trust me, but I promise I am telling the truth. Just try it and you'll see.
  79. Math

  80. English

    Really? I dont.can I get a link that shows how to format it?
  81. English

    Yes. We are allowed to write a narrative story
  82. English

    I'm supposed to be doing it on the short story pauls case. But it's supposed to be a personal response so I wanted to write a short story
  83. English

    What do these texts suggest to you about ways in which individuals pursue or compromise their happiness? Can I please get a thesis? Like a general one without including the texts. I'm having trouble figuring it out.
  84. social studies

    So it is A?
  85. algebra

    a bathtub in your home has a drain that leaks. When you fill you bathtub with 30 gallons of water you notice that after every 5 minutes you only have 20 gallons remaining, so the drain is leaking 2 gallons every minute which represents slope. what is the linear equation of the...
  86. social studies

    Whats the answer?
  87. chemistry

    Most top-loading balances used in this experiment measure a mass only to the nearest mg(+_0.001g).? This significantly affects the calculation of R in this experiment. Explain why this is so. How might the procedure be modified to compensate for this systematic error?
  88. chemistry

    What would be the effect on the calculated value of R of each of the following experimental errors? Explain each answer. a. the liquid level in the eudiometer tube is lower than that in the beaker, but this is not taken into consideration in the calculations. b. the balance ...
  89. Trigonometry

    And if I choose 4 as the radi. Then would it be: sin (315°)= y/4 4 sin (315°)= -2.8284 So that is the y value. Cos (315°) = x/4 4 cos (315°) = 2.8284 So that is the x value ?
  90. Trigonometry

    I'm having trouble doing trigonometry. Determine the possible coordinates of a terminal point for each angle in standard position. A) 315° I have no clue how to do this. Please explain and show me the work so I can do the rest of the questions myself
  91. Algebra

    What happens to the mean of a set of data if you add a constant value to each data piece?
  92. Chemistry

    So my answer is right?
  93. Chemistry

    Determine the molar concentration of sodium oxide if 3.91g of solid was added to 525mL of solution. I am not typing my entire work in but I calculated these values: V=525 ml= 0.525L N= 0.0603084866 Would it be 0.120 mol/L
  94. Science disscussion

    Really? I have been waiting all this time for this?
  95. Science disscussion

    What form of pollution, if any, does each energy source cause How does the economy influence energy source choices How does location influence energy source choices
  96. Math

    An archer shoots an row into the air such that it's height at any time, t, is given by the function h (t)= -16t^2+kt+3. If the maximum height of the arrow occurs at time t=4, what is the value of k? A) 128 B) 64 C) 8 D)4 What I did: H (t)= -16t^2+kt+3 4= -16 (4)^2+ k(4)+3 ...
  97. literature

    what method does jerry use to lie underwater on the sea floor? a. he wears swimming goggles b.he dives holding on to a big rock c.he dives past the older boys d.he counts to 115 Is it b? PLEASE HELPPP QUICK
  98. Chemistry

    Would it be SO4 2-
  99. Chemistry

    you are given two unlabelled colorless solutions: AgNO3(aq) and Ca(NO3)2. A)Which ion when added to each unlabelled solution would produce a precipitate with the calcium and silver ions? No clue what this question is asking. Can I get help?
  100. Math

    A ball is thrown from a cliff. This is modeled by the eqn h=-5t^2 +5t+210 How long does it take the ball to reach a height of 60m? I don't understand how to find this, please help.
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