Posts by Cara

Total # Posts: 156

  1. Language Arts

    Thanks Ms. Sue you helped me too
  2. Science

    What chemical equation would represent methane (CH4) burning in the presence of oxygen gas (O2) to form water and carbon dioxide? (Make sure it's balanced)
  3. Music

    1). What aspects of music do most people understand and appreciate about music? I.e., what do they remember about a piece – the melody, the rhythm, the harmony, the timbre, a combination of these? -I think the answer is melody but I'm not sure 2). If a music composer ...
  4. Chemistry

    How many kilojoules are absorbed when 266 g of PCl5 reacts? PCl5(g)→PCl3(g)+Cl2(g)ΔH=+67kJ
  5. Chemistry

    How many kilojoules are released when 130 g of Si reacts with chlorine? Si(s)+2Cl2(g)→SiCl4(g)ΔH=−657kJ
  6. Finance: Mortgages

    A borrower received a 30-year ARM mortgage loan for $200,000. Rate caps are 3/2/6 (initial adjustment cap/periodic interest rate cap/lifetime interest rate cap). The start rate is 3.50% and the loan adjusts every 12 months for the life of the mortgage. The index used for this ...
  7. chemistry

    How many liters of hydrogen will be produced when 3766 g of aluminum are combined with hydrobromic acid to make aluminum bromide?
  8. PHYSICS

    A MASS OF 90KG IS MOVING AT A CONSTANT VELOCITY HE HAS KINETIC ENERGY OF 2205 CALCULATE THE VELOCITY
  9. Math

    The answer is C. just finished it
  10. chemistry

    Describe the circumstances in which the following processes could be used to separate the components of a mixture. -sublimation -crystallization -evaporation of a solvent from a solution -dissolving of an impure substance in a solvent
  11. math

    how can i solve for x given this?? pls. show detailed solution..just can't figure it out.thanks in advance! 6cosx+3cos35cosx-3sin35sinX=7cosx
  12. math

    how can i solve for x given this?? pls. show detailed solution..just can't figure it out.thanks in advance! 6cosx+3cos35cosx-3sin35sinX=7cosx
  13. math

    how to solve 1/100-2/100+3/100-4/100+....+99/100-1?? and this?? -1/100+2/100-3/100+4/100-....-99/100+1??
  14. Hisotry

    Thank you very much
  15. Hisotry

    Does anyone have any examples of how the first amendment can be used today? Thank you!
  16. Chemistry

    Na2CO3*10H2O
  17. Math

    What positive, two-digit number, when doubled and added to two, gives a sum that is the original number with its digits reversed?
  18. Biology

    Which example best illustrates the difference between a community and a population? A)The two terms are interchangeable, a population IS a community. B)All the people in a town would be a community; all their cattle would be a population. C)All the people in a town would be a ...
  19. English

    8.C ? I think ? 6. C? or B?
  20. English

    8. I'm unsure.
  21. English

    6. Which example contains the same type of reasoning found in this portion of section one? Many people think that all combative sports should be strictly monitored and regulated by state commissions. It is obvious that the Ultimate Fighting Championship (UFC) is an ...
  22. English

    Thank you Ms.Sue
  23. English

    For the first question "Select the rebuttal statement that BEST refutes the viewpoint in section one."
  24. English

    American interest in mixed martial arts is growing. Both male and female athletes are invited to compete, although this sport is not recommended for the prima donna. This full contact fighting combines various martial arts techniques so fighters with different styles can ...
  25. math

    Santana wants to cover a gift box shaped like a rectangular prism with foil. The foil costs $0.03 per square inch. Santana has a choice between Box A which is 8 inches long, 3 inches wide, and 6 inches high, and Box B which is 10 inches long, 3 inches wide, and 4 inches high. ...
  26. Chemistry

    Thank you so much!
  27. Chemistry

    I am trying to solve a buffer problem. I know I need to use the Henderson-Hasselblach equation but I am not getting the correct answer. The problem is: Propionic acid is a weak monoprotic acid with Ka = 1.3×10-5 M. NaOH(s) was gradually added to 1.00 L of 1.29×10-2...
  28. statistics

    The mayor of the town of Quahog, Rhode Island, Adam West, conducted a study to determine the mean household income of his constituents. The study surveyed 500 households and determined that the sample mean was $30,000. The population standard deviation is $4,800. If a ...
  29. physics

    radius R of the orbit of a geosynchronous satellite that circles the earth. (Note that R is measured from the center of the earth, not the surface.) You may use the following constants: The universal gravitational constant G is 6.67×10−11N⋅m2/kg2. The mass of...
  30. Creative Writing

    Normally, I don't struggle with grammar, but this has me stuck. In this sentence, "One could call him an addict, because women were his drug," would you leave drug plural or singular, or is there something else to do to fix that?
  31. Math

    We're doing sequence things in class how do I find the general term of this set (4,8,6,16,8,32,10,64). The answer must be in an equation. The next in the sequence would be 12, 128. I thought the answer was f(x) = 2x but that doesn't account for 6,8,10
  32. consumer math

    $799.99 with 40% off rounded to the nearest dollar
  33. Math

    I need help finding the greatest common factor between these two expressions 3u^3x^5y^8 and 21u^6x^5 I was thinking 7u^3y^8
  34. geometry

    Alice purchased 30 decorative stone square blocks to create an enclosed rectangular garden area. Each square block measures 1 foot by 1 foot, and one possible arrangement is shown. Including the arrangement shown, in how many distinct ways can Alice arrange the blocks to ...
  35. Physics

    A ball is thrown straight upward and rises to a maximum height of 20 m above its launch point. At what height above its launch point has the speed of the ball decreased to one-half of its initial value?
  36. chemistry

    190 grams of potassium iodide is placed in 100 cm3 at 60 degrees Celsius. the solution is cooled to 30 degrees Celsius. how many grams will settle out?
  37. chemistry

    I had this on my homework and got the correct answer. delta T = i * m * Kb delta T -- 2 * 2.0 (the difference in temperature) i -- it is 2 for NaCl Kb -- is the van't hoff factor of water; which is 0.52 degress C/m Just solve for m
  38. MATH HELP

    Find the volume of the solid obtained by rotating the region underneath the graph of f(x) = (x)/sqrt(x^3+1) about the y-axis over the interval (1, 10)
  39. MATH

    Compute the volume of the solid obtained by rotating the region in the first quadrant encolsed by the graphs of the functions y = x^2 and y = sqrt(x) about the y-axis. I keep getting (1/3)pi and can't figure out what I'm doing wrong!
  40. Math

    How can I find 2 equations with infinitely many solutions? Thanks
  41. Math

    So for y= 4-2x will be 2y=8-2x?
  42. Math

    Thank you
  43. Math

    How can I find 2 equations with infinitely many solutions? Thanks
  44. Math-Calculus

    Please Help D:. Min/Max Problems 4. Joan has 50ft of interlocking stone available of fencing off a flower garden in the form of a circular sector. Find the radius of the circle that will yield a flower garden with the largest are if Joan uses all the stone.
  45. lindy

    how many different flags can be made? if there are 5 colors,but the flag must have 3 bands of color
  46. math

    a chairman and vice-chairman are to be elected from 7 candidates.how many different results are possible ?
  47. History

    To what extent was the French Revolution caused by new political ideas and influences?
  48. Biology

    Can you give me an order from 1 to 3 for the following materials, 1 being the best insulator and 3 being the poorest? styrofoam, plastic, aluminum
  49. Biology

    hi! so I have to make an experiment on heat loss & insulation and so, I did an experiment on which material insulates best against the wind of a fan--styrofoam, plastic or aluminum can. each has hot water in it but the styrofoam took the longest for the hot water to cool ...
  50. Biology

    so how can I use one of those materials (or just keep the fan) to make an experiment that tests body temperature / insulation / etc?
  51. Biology

    hi! so for science we have to make an experiment on temperature. we have to base our experiment on the given materials (which include test tubes, aluminum foil, cotton, fan) i chose a fan and I'm thinking of doing an experiment on how the strength of wind affects body ...
  52. Precalc/Trig Word Problem

    478
  53. chemistry

    0.450mol of Na2S in 1.50L of solution
  54. history

    doing an essay for english, i need help writing it. what were the diverse purposes of Englands american colonies and how were those purposes altered in the early years? i just need 3 purposes. if anyone can help i would appreciate it!!!! please!
  55. Maths

    Sorry I should have added that I was working it out as a derivitive
  56. Maths

    What steps were taken to get px-2x^2 to be p-4x?? I can't work out what happened to the 'x' after 'p'. I can see that 2x^2 equals 4x though. Any help would be much appreciated :) Thanks
  57. History

    Almost every one has several wives and especially the Sagamores, since they cannot maintain their power and keep up the number of their dependents. I need to find one more. What does this line mean? keep up the number of dependents unless they have not only many children to ...
  58. History

    Is there any "European bias or bias" in this article? To obtain the necessaries of life, they (he Indians of Arcadia) endure cold and hunger in an extraordianry manner. During eight or ten days, if the necessity is imposed on them, they will follow the chase in ...
  59. History

    Thank you!!
  60. History

    What was the non-importation movement? Is this right? What does no taxation without representation mean? We will only pay taxes that our representatives in a House or Assembly [or similar body] have approved and passed into a law
  61. physics

    (c) If the wave has amplitude 1.80 m when it speed is 200 m/s, what will be its amplitude where the water is 9.00 m deep?
  62. physics

    (c) If the wave has amplitude 1.80 m when it speed is 200 m/s, what will be its amplitude where the water is 9.00 m deep?
  63. Legal Studies

    Hey :) If a juvenile is held in remand does this mean that their being held in custody (a juvenile detention center etc) while their waiting trial (i.e. havent been sentenced yet)? I'm just having some trouble understanding the meaning of remand. Any help on this would be ...
  64. physics

    A 5.4 cm diameter horizontal pipe gradually narrows to 3.7 cm. When water flows through this pipe at a certain rate, the gauge pressure in these two sections is 35.0 kPa and 21.0 kPa, respectively. What is the volume rate of flow?
  65. physics

    Calculate the force, required of the "deltoid" muscle to hold up the outstretched arm shown in the figure . The total mass of the arm is 2.9 kg.
  66. chemistry

    Need to do a lab of finding the density of the Molarity of 1M NaCl without having any equipments..How best to do so..A procedure would be appreciated
  67. Chemistry

    How to determine the energy in J calories and K to convert one pound of ice to steam
  68. physics

    A teenager pushes tangentially on a small hand-driven merry-go-round and is able to accelerate it from rest to a frequency of 12 in 9.0 . Assume the merry-go-round is a uniform disk of radius 2.2 and has a mass of 650 , and two children (each with a mass of 29 ) sit opposite ...
  69. physics

    The bolts on the cylinder head of an engine require tightening to a torque of 63 . If the six-sided bolt head is 15 in diameter, estimate the force applied near each of the six points by a socket wrench.
  70. physics

    A small rubber wheel is used to drive a large pottery wheel, and they are mounted so that their circular edges touch. The small wheel has a radius of 1.8 and accelerates at the rate of 7.0 , and it is in contact with the pottery wheel (radius 30.0 ) without slipping. Calculate...
  71. physics

    A centrifuge accelerates uniformly from rest to 18000 rpm in 180 s. Through how many revolutions did it turn in this time?
  72. physics

    A grinding wheel 0.28 m in diameter rotates at 2400 rpm. What is the acceleration of a point on the edge of the grinding wheel?
  73. physics

    A radioactive nucleus at rest decays into a second nucleus, an electron, and a neutrino. The electron and neutrino are emitted at right angles and have momenta of 8.55×10−23 and 5.33×10−23 , respectively. What is the magnitude of the momentum of the ...
  74. Physics

    A 24 rifle bullet traveling 230 buries itself in a 3.9 pendulum hanging on a 3.0 long string, which makes the pendulum swing upward in an arc. Determine the vertical and horizontal components of the pendulum's displacement.
  75. Salisbury University

    How long will it take a 480 N motor to lift a 335 kg piano to a sixth-story window 15.0 m above?
  76. physics

    A 280-g wood block is firmly attached to a very light horizontal spring, as shown in the figure. The block can slide along a table where the coefficient of friction is 0.30. A force of 22 N compresses the spring 18 cm. If the spring is released from this position, how far ...
  77. physics

    A 280-g wood block is firmly attached to a very light horizontal spring, as shown in the figure. The block can slide along a table where the coefficient of friction is 0.30. A force of 22 N compresses the spring 18 cm. If the spring is released from this position, how far ...
  78. physics

    A 110-kg crate, starting from rest, is pulled across a floor with a constant horizontal force of 420 N. For the first 13 m the floor is frictionless, and for the next 13 m the coefficient of friction is 0.35. What is the final speed of the crate?
  79. physics

    A 53 kg bungee jumper jumps from a bridge. She is tied to a bungee cord whose unstretched length is 13 m, and falls a total of 35 m. Calculate the spring stiffness constant k of the bungee cord, assuming Hooke's law applies.
  80. Physics

    A novice skier, starting from rest, slides down a frictionless 24.0 incline whose vertical height is 215. How fast is she going when she reaches the bottom?
  81. Salisbury University

    A spring with 53 hangs vertically next to a ruler. The end of the spring is next to the 21- mark on the ruler. If a 3.0- mass is now attached to the end of the spring, where will the end of the spring line up with the ruler marks?
  82. history

    where is the mississippi?
  83. language

    whatis muttered
  84. Math

    A 30-m tall flag pole and its shadow form the sides of a right triangle. On this particular day, the sun rises at 6 AM and sets at 6 PM. At what time of the morning (to the nearest minute) will the length of the shadow be exactly 40 m? (Hint: determine the angle of elevation ...
  85. math (plz help)

    1. 46 because a1=30 a2=34 a3=38 a4=42 2.No the 8th row is is 58 and the 9th row is 62. 3. 40+(25x4) = 140
  86. College Chemistry

    But A stands for concentration..how would i obtain it from the data given?
  87. College Chemistry

    The following data are obtained for the decomposition of N2O5 at a certain temperature: 2N2O5(g)↔4NO2(g) + O2(g) Time(s) 0 200 400 600 800 N2O5 (atm) 2.10 1.85 1.63 1.43 1.26 Find the rate constant kobs for this first-order decomposition reaction in sec-1 So far I have ...
  88. math

    Terrance describes the amount of money made based on the # of hours worked by the function rule y= 10h. Given this function how much $ does terrance earn for each hour worked?
  89. 6th grade

    Well...youre trying to find what F equals 1. do 0.4 divided by 2.4 2.take that answer and divide it by six !!!Then that's your answer!!!
  90. gammar

    A lot of people don’t have wills. Everyone needs a will, but not all people have one. Wills are important because they explain who gets your stuff after you die. You don’t want your things going to someone you don’t want them to go to. My Aunt Martha went to a ...
  91. gammar

    • Read two of the five paragraphs on the second page of this appendix. Write a brief paragraph of about 150 words in which you do the following: o Identify which paragraph was more effective and analyze why this is so. o Include a discussion of sentence variety and the ...
  92. music

    what is the function on health insurance? What is the functions of disability insurance? whatis the functions of life insurance?
  93. English

    is anyone available
  94. grammar

    If the interest rates are higher, than insted of spending money for purchasing new things. People go for saving to get interest on their money. With increase in interest rates the purchasing power of people decreases. If something will cost far more than it is worth because ...
  95. English

    If the interest rates are higher, than insted of spending money for purchasing new things. People go for saving to get interest on their money. With increase in interest rates the purchasing power of people decreases. If something will cost far more than it is worth because ...
  96. English

    In a total of 200 words, write two paragraphs with about how interest rates affect our purchasing decision. Identify the topic sentence in each by underlining it. I need help with Identifying topic sentence
  97. math

    ket f(x)=5 x − 4 and g(x) = x^2 − 8. Compute the following functions. 1. f(g(x)) = 2. g(f(x)) = 3. f(f(x)) = 4. g(g(x)) =
  98. math

    Let h(x) = 3 x2 + 2 x + 1. Let g(x) = 3√{x} + 3. (Note: If there is a nonmathematical symbol in the preceding expression, then your browser doesn't have the math symbol font. Please follow the instructions on the Tools page in Oncourse to install the STIX math fonts...
  99. math

    let f(x)=5 x − 4 and g(x) = x^2 − 8. Compute the following functions. 1. f(g(x)) = 2. g(f(x)) = 3. f(f(x)) = 4. g(g(x)) =
  100. grammar

    I think I did this right. The most important and tough goal in an individual’s life is setting up long-term goals to help him/her financially. It can be anything from savings to house building to children’s education or marriage to retirement plan. These are the ...
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