Questions Asked on
October 26, 2009

  1. Physics

    In a playground, there is a small merry-go-round of radius 1.20 m and mass 190 kg. Its radius of gyration (see Problem 85 of Chapter 10) is 91.0 cm. A child of mass 44.0 kg runs at a speed of 4.50 m/s along a path that is tangent to the rim of the

    asked by Ray
  2. advanced functions

    The Moon has a diameter of about 3480 km and an orbital radius of about 384 400 km from the centre of Earth. Suppose that the Moon is directly overhead. What is the measure of the angle subtended by the diameter to the Moon as measured by an astronomer on

    asked by Anonymous
  3. Physics

    In a playground, there is a small merry-go-round of radius 1.20 m and mass 190 kg. Its radius of gyration (see Problem 85 of Chapter 10) is 91.0 cm. A child of mass 44.0 kg runs at a speed of 4.50 m/s along a path that is tangent to the rim of the

    asked by Ray
  4. math

    David made a swing for his niece Sarah using ropes 2.4 m long, so that Sarah swings throuh an arc of length 1.2 m. Determine the angle through which Sarah swings, in both radians and degrees.

    asked by Anonymous
  5. Chemistry

    I am so stuck on this problem: λ for one line of the hydrogen spectrum is .4118 x 10-4 cm. Use this value in the Rydberg equation to calculate the RH value using n1 = 2, and n2 = 5. I know 1/lambda = RH (1/n2 - 1/n2) 1/(.4118e-6 m) = RH (1/4 - 1/25) RH =

    asked by Sarah
  6. Chemistry

    Ionization energy is defined as the minimum energy required to remove an electron from the ground state (n0) to infinity (n∞). Determine the wavelength of radiation required to ionize the hydrogen electron from the n = 2 energy level. Calculate the

    asked by Sarah
  7. physics

    A rain cloud contains 2.66 x 10^7 kg of water vapor. How long will it take for a 2.00 kW pump to raise the same amount of water to the cloud's altitude, 2.00 km?

    asked by arriell
  8. Civics

    Why was John Marshall's desire to strengthen the federal government so important during the early years of the nation?

    asked by Anonymous
  9. Physics

    In a playground, there is a small merry-go-round of radius 1.20 m and mass 190 kg. Its radius of gyration (see Problem 85 of Chapter 10) is 91.0 cm. A child of mass 44.0 kg runs at a speed of 4.50 m/s along a path that is tangent to the rim of the

    asked by Ray
  10. physics

    A typical ten-pound car wheel has a moment of inertia of about 0.35 kg*m^2. The wheel rotates about the axle at a constant angular speed making 45.0 full revolutions in a time interval of 7.00 sec . What is the rotational kinetic energy of the rotating

    asked by Anonymous
  11. Chemistry

    Calculate the standard enthalpy of formation of CuO2, given that: 2Cu2O + O2 ==> 4 CuO (-288 kJ) Cu2O ==> Cu + CuO (11 kJ) PLEASE HELP!!!!

    asked by Natalie
  12. Chemistry

    If you mix KC2H3O2 and BaCl2 what is the molecular equation? There is a reaction because I did the experiment in class and the result was a white cloudy liquid but no precipitate. I got 2 KC3H3O2 (aq) + BaCl2 (aq) --> 2 KCl (aq) + Ba(C2H3O2)2 (aq) but I

    asked by Holly Y
  13. Physics

    A small solid sphere, with radius 0.25 cm and mass 0.61 g rolls without slipping on the inside of a large fixed hemisphere with radius 17 cm and a vertical axis of symmetry. The sphere starts at the top from rest. (a) What is its kinetic energy at the

    asked by Ray
  14. Physics

    A Texas cockroach of mass 0.17 kg runs counterclockwise around the rim of a lazy Susan (a circular disk mounted on a vertical axle) that has radius 15 cm, rotational inertia 5.5 10-3 kg·m2, and frictionless bearings. The cockroach's speed (relative to the

    asked by Ray
  15. physics

    A typical ten-pound car wheel has a moment of inertia of about 0.35 kg*m^2. The wheel rotates about the axle at a constant angular speed making 45.0 full revolutions in a time interval of 7.00 sec . What is the rotational kinetic energy of the rotating

    asked by Anonymous
  16. Calculus

    Let r be the monthly rent per unit in an apartment building with 100 units. All the units are rented at r= $900. One unit becomes vacant for each $10 increase in rent. Maintenance cost are $100 for occupied units and nothing for unoccupied units..... so A)

    asked by Chris
  17. phys

    the 300-series shinkansen train of japan has aluminum cars, so that it can reach high speeds more easily. ten of the sixteen cars of a 300-series train have their own 300.0 kW motors, one for each of their four axles. What is the work done by one car's

    asked by arriell
  18. physics

    The 49 kg climber is supported in the "chimney" by the friction forces exerted on his shoes and back. The climber has reduced push to verge of slip. The static coefficients of friction between his shoes and the wall, and between his back and the wall, are

    asked by K
  19. math

    find the surface area of a Cylindrical grain silo with hemispherical top height=71 diamatere=62

    asked by chandice
  20. 10th grade

    A parallelogram has sides 15cm and 18cm.The height corresponding to a 15cm base is 9cm.Find height corresponding to an 18cm base.

    asked by Geometry
  21. Physics

    A small solid sphere, with radius 0.25 cm and mass 0.61 g rolls without slipping on the inside of a large fixed hemisphere with radius 17 cm and a vertical axis of symmetry. The sphere starts at the top from rest. (a) What is its kinetic energy at the

    asked by Ray
  22. physics

    When will your apparent weight be greatest, as measured by a a scale in a moving elevator; when the elevators: (a) accel. downward (b) accel. upward (c) is in free fall (d) moves upward at a constant speed? In what case would you weight be the least? When

    asked by Sasha
  23. economics-Budget Constraint & Utility

    Sally is a frequent flyer whose fares are reduced through coupon offerings. She receives a 20% reduction on fares after she flies 20,000 miles, and 40% reduction after she flies 40,000 miles. a) Illustrate her budget constraint. b) Illustrate how her level

    asked by Victor
  24. Chemistry

    If you mix KC2H3O2 and BaCl2 what is the molecular equation? I got 2 KC3H3O2 (aq) + BaCl2 (aq) --> 2 KCl (aq) + Ba(C2H3O2)2 (aq) but I don't know if it is correct. My teacher just gives examples and doesn't explain how to do this.

    asked by Holly Y.
  25. physics

    A sled is pulled at a constant velocity across a horizontal snow surface. If a force of 100 N is applied to the sled at an angle of 40 degrees to the ground, what is the force of friction between the sled and the snow?

    asked by Brittany
  26. physics

    calculate the force of Earth's gravity on a spacecraft 12,800 km (2 Earth radii) above Earth's surface if its mass is 1350 kg. i know the universal gravitation formula is Fg = G [(m1 m2)/ r^2] but im not getting anywhere near the multiply choice answers

    asked by Sasha
  27. physics

    A 70.0 kg climber is supported in the "chimney" by the friction forces exerted on his shoes and back. The static coefficients of friction between his shoes and the wall, and between his back and the wall, are 0.760 and 0.610, respectively. What is the

    asked by christine
  28. physics

    a person whos mass is 102 kg stands on a beam supported by two ropes , A and B, he is standing on one foot to help you solve this problem.what is the tension of the two ropes? the entire beam itself is 4.56 m and the person is stading from left to right in

    asked by jonh
  29. Language

    Seth has passed everyone in the race. What part of speech is "has passed"?

    asked by Teresa
  30. english

    Imagine you are on a local commission appointed to study the lack of proper recreation facilities for youth in your neighborhood. Decide what facilities should be recommended. Write an appropriate resolution to be presented to your county government.

    asked by Travis
  31. geometry

    A parallelogram has sides 15cm and 18cm.The height corresponding to a 15cm base is 9cm.Find height corresponding to an 18cm base.

    asked by Anonymous
  32. Investing

    Sonny owns $5,000 worth of High Risk Enterprises (HRE) stock. HRE has a standard deviation of 16 percent and a beta of 2.0. He wants to invest another $5,000 and create a $10,000 portfolio that is equally as risky as the overall market. Which one of the

    asked by brandon
  33. Chemistry

    Elemental sulfur occurs as octatomic molecule S8. What is the mass of Fluorine gas needed to react completely with 19.9 g of Sulfur to form sulfur hexafluoride?

    asked by Brittany
  34. algebra (word problem)

    you are in charge of bringing snacks to a picnic. you decide to buy grapes and pretzels. the grapes are $2.39 per pound and the pretzels cost $1.89 a bag. you have $11 to spend. write an equation that models to different amounts of grapes and pretzels that

    asked by catalyst
  35. Civics

    Constitutional scholars have pointed out there is an inconsistency in Justice Marshall's opinion with respect to what the constitution specifically provides. What is that inconsistency?

    asked by Anonymous
  36. Chemistry

    Can someone PLEASE help me with this???? I am soooo confused with this problem!!! Combustion reactions involve reacting When compounds containing carbon and hydrogen are combusted, carbon dioxide and water are the products. Using the enthalpies of

    asked by Natalie
  37. calculus

    A flag pole is 40 feet high and stands on level ground. a flag is attached to a 120 foot rope passing through a pulley at the top of the flagpole. The other end of the rope is tied to a car at ground level. If car was driving directly away from flagpole at

    asked by Jeff
  38. Calculus - maximum problem

    An isosceles trapezoid is inscribed under the graph oof y =cos x. what are the dimensions which will give the greatest area?

    asked by calculus
  39. Physics

    A water slide is constructed so that swimmers, starting from rest at the top of the slide, leave the end of the slide traveling horizontally. One person hits the water 5.00 m from the end of the slide in a time of 1.000 s after leaving the slide. Ignoring

    asked by Vince
  40. Advanced C

    The measure of one of the equal angles in an isosceles triangle is twice the measure of the remaining angle. Determine the exact radian measures of the three angles in the triangle.

    asked by Anonymous
  41. chemistry

    overall balanced reaction: 14H+ + C2O7^2- + 6Fe^2+ -> 2Cr^3+ + 7H2O + 6Fe^3+ .5021g of impure sample containing potassium dichromate was analyzed by titrating a standard iron (II) sulfate solution. If 6.74 mL of 0.2312 N of iron (II) sulfate was required

    asked by Anonymous
  42. Chemistry

    Calcium nitrate and ammoonium fluoride react to form calcium fluoride, dinitrogenmonoxide and water vapor. What mass of each substance is present after 28.42 g of calcium nitrate and 29.60 g of ammonium fluoride react completely?

    asked by Brittany
  43. Physics

    A roller coaster ride includes a circular loop with radius R = 13.3 m. What minimum speed must the car have at the top to stay in contact with the tracks?

    asked by Nikita
  44. physics

    a person whos mass is 102 kg stands on a beam supported by two ropes , A and B, he is standing on one foot to help you solve this problem.

    asked by vic
  45. math

    At the faculty costume party, each teacher from Transylvania Middle School came dressed as his or her favorite creepy creature. The teachers arrived one at a time, and when a new teacher came in, each of the teachers alredy there lined up at the door and

    asked by Sam
  46. 8th grade

    At a faculty costume party, each teacher from transylvania Middle School came dressed as his or her favorite creepy creature. The teachers arrived one at a time, and when a new teacher came in, each of the teachers already there lined up at the door and

    asked by anomyous
  47. DrBob222 follow up

    Thank you for your reply. The Zn in grams 1.80= .028 moles Zn and Cl in grams 0.90= .025 moles Cl The question was: What is the EXPERIMENTAL empirical formula of zinc chloride? Determine the simplest whole number ratio of moles of zinc used, to moles of

    asked by Madison
  48. physics

    A rain cloud contains 2.66 x 10^7 kg of water vapor. How long will it take for a 2.00 kW pump to raise the same amount of water to the cloud's altitude, 2.00 km?

    asked by arriell
  49. physics

    Starting from rest a car undergoes a constant acceleration of 6 m/s2. How far will the car travel in the first second?

    asked by Anonymous
  50. Math

    Sonny owns $5,000 worth of High Risk Enterprises (HRE) stock. HRE has a standard deviation of 16 percent and a beta of 2.0. He wants to invest another $5,000 and create a $10,000 portfolio that is equally as risky as the overall market. Which one of the

    asked by brandon
  51. math/stock

    You want to create a $75,000 portfolio comprised of two stocks plus a risk-free security. Stock A has an expected return of 13.6 percent and stock B has an expected return of 11.4 percent. You want to own $30,000 of stock B. The risk-free rate is 4 percent

    asked by brandon
  52. Statistics

    Suppose that the probability distribution of a random variable x can be described by the formula P(x) = x/15 For each of the values x = 1, 2, 3, 4, and 5. For examples, then, p(x=2) = p(2) = 2/15 a Write out the probability distribution of x. b Show that

    asked by Chinadoll
  53. calculus

    Gravel is being dumped from a conveyor belt at a rate of 50 cubic feet per minute. It forms a pile in the shape of a right circular cone whose base diameter and height are always equal to each other. How fast is the height of the pile increasing when the

    asked by Leonardo
  54. english

    what does this old english mean in modern english goldsele gumena, gearwost wisse,

    asked by kate
  55. Chemistry

    Consider the reaction, 3H2 + N2 → 2NH3. If H2 is reacting at the rate of 0.15 M/s, at what rate is NH3 being produced?

    asked by Tierra
  56. us history

    In 1754,which country claimed the least amount of land in North America

    asked by kevin
  57. math

    How would you describe a dead skunk

    asked by hehehehehehehe
  58. integrated computer applications

    Options for designing the way text and graphics are positioned on a single powerpoint slide are provided by the slide, a. views, b. design theme, c. background, d. layout

    asked by marilia
  59. Socials(Ms.Sue)

    No, the government never has the right to sacrifice individual liberties in the name of freedom because those rights make us individuals stand out. It is important for us individuals to stand out because we make a community. Some individual rights are

    asked by Sara
  60. fiance

    Sonny owns $5,000 worth of High Risk Enterprises (HRE) stock. HRE has a standard deviation of 16 percent and a beta of 2.0. He wants to invest another $5,000 and create a $10,000 portfolio that is equally as risky as the overall market. Which one of the

    asked by brandon
  61. physics

    A helicopter is rising at 4.7 m/s when a bag is dropped from it. (Assume that the positive direction is upward.) (a) After 2.0 s, what is the bag's velocity? (b) How far has the bag fallen? (c) How far below the helicopter is the bag?

    asked by Tay
  62. chemistry

    you extract 10 g of benzoic acid from an ether solution with aqueous NaHCO3 what is the min amount of concentrated HCl (37% by w/v%) that would be needed to convert the sodium benzoat back to free energy? (answer: 8.2 mL) I know that the 37% is basically

    asked by Anonymous
  63. Math

    At a club play, 117 tickets were sold. Adults' tickets cost $1.25 and children's tickets cost $0.75. In all, $129.75 was taken in. How many of each kind of ticket were sold? I don't know how to set up the equation. Work Done Is it: 1.25x + 0.75y=129.75

    asked by Esther
  64. Math

    This is the layout of the McDougal's backyard.The scale is 1 centimeters to 5 centimeters.The actual area of the pool is 375 square meters.The length of the pool is 25 meters. How do I find the area of the pool on the layout?

    asked by Elizabeth
  65. Equation stuff...

    Write your answer in standard form with integer coefficients. 1. (-5, 2); m = 2/5 2.(-6, -1); m=-4 how do i do this?

    asked by Chrissy
  66. Chemistry

    metal hydrides react with water to form hydrogen gas and the metal hydroxide. How do you calculate the mass of hydrogen gas that can be prepared from 3.78 g of SrH2 and 3.5 g of H2O? a) how many moles of H2 can be produced from given mass of SrH2? b) How

    asked by Brittany
  67. Science

    A ball is thrown from a cliff at a horizontal speed of 3m/second and at the same time a second ball is dropped straight down from the cliff. How fast will the dropped ball be going after 2 seconds?

    asked by Steve Felton
  68. world history

    why did the industrialized nations of the world embark so aggressively upon imperialist ventures between 1880 and 1914?

    asked by ben
  69. Honors Chemistry (check answers)

    On a worksheet we got, we have to balance out chemical reaction equations then define what kind of reaction it is (synthesis, decomposition, single/double-replacement). Would someone be willing to check my answers, please? Thanks!! 1. c) BaO + H2O ==>

    asked by Emily
  70. Calc

    Can anyone help me find the derivative of these functions? y = x^2x y = x^-cos(x) y = ln(7x^2 + 5y^2) sqrt(3x+y)=2+x^2y^2 ysec(x) = 3xtan(y) y = arctan[(sqrt((1 + x)/(1 - x)))]

    asked by Patrick
  71. English

    1. He works at/in the library. 2. He works at/in the town hall. 3. He works at/in the hospital. (Which preposition do I have to use? Are both OK? Which one is popular?) 4. I want to drink iced tea. 5. I want to drink ice tea. 6. I want to drink an iced

    asked by Tom
  72. math

    Find an angle between 0 degree and 360 degree that is coterminal with given angle. a. 361 degree b. -100 degree c. 1270 degree

    asked by David
  73. Physics

    A roller coaster ride includes a circular loop with radius R = 11.6 m. What minimum speed must the car have at the top to stay in contact with the tracks? How would I go around solving this, as in what formula would I need?

    asked by Nikita
  74. Chemistry

    Does the fact that Iron reacts rapidly with oxygen in the presence of water prevent it from being used to coat other metals like copper and zinc?

    asked by Anonymous
  75. physics

    Two blocks, A and B (with mass 50 kg and 100 kg, respectively), are connected by a string, as shown in the figure below. The pulley is frictionless and of negligible mass. The coefficient of kinetic friction between block A and the incline is µk = 0.24.

    asked by Chan
  76. Middle East

    Why was the Phoenician alphabet a significant development?

    asked by Troy
  77. MATH ANALYSIS

    What are a couple of examples of multivariable functions used in real life??

    asked by anonymous
  78. Finance

    You would like to create a portfolio that is equally invested in a risk-free asset and two stocks. The one stock has a beta of .80. What does the beta of the second stock have to be if you want the portfolio risk to equal that of the overall market?

    asked by brandon
  79. More Chemistry

    4NH3(g) + 7O2(g) → 4NO2(g) + 6H2O(l). Suppose that in this reaction water is being formed at a rate of 28.9 moles liter-1 sec-1. At what rate (in moles liter-1 sec-1) is ammonia used up?

    asked by Tierra
  80. English

    What are the meanings of the following literary terms: 1. Biological Criticism 2. Historical Criticism 3. Reader-Response Criticism 4. Formal Criticism 5. Gender Criticism 6. Marxist/Marxian Criticism 7. Psychological Criticism

    asked by Chante
  81. Physics

    When land ice on Antarctica melts and flows into the sea, eventually it circulates and therefore distributes uniformly over the earth's oceans. As a result, does the earth's rotational speed increase, decrease or remain unaffected? (If it does have an

    asked by Bill
  82. English

    I want to know all the Rhetorical and Figurative Devices and Examples in the Essay Hidden Lesson by David Suzuki

    asked by Derek
  83. Physics

    Atomic physicits ignore the effect of gravity within an atom. To see why, calculate and compare the gravitational and electrical forces between an electron and a proton separated by 10 to the -10 m.--

    asked by Kayla
  84. Geometry

    Since line EF is parallel to line GH, angle 1 = angle 2. Since line FG is parallet to line HE, angle 3 = angle 4. Give reasons to support your answers.

    asked by Jessica
  85. Socials

    Does a government ever have the right to sacrifice individual liberties in the name of freedom? No, the government never has the right to sacrifice individual liberties in the name of freedom beacause those rights make us individuals stand out. Rights such

    asked by Sara
  86. Finance

    Solve for x. 10000 = 2500(1.0425)^3 + X(1.0425)^2 + 3500(1.0425)^1

    asked by Lance
  87. math

    In a measurement of precipitation (rainfall), a raingauge with an orifice (collector) area of 30.50 in2 collects 1.30 litres of water over a period of 26 minutes and 45 seconds.[10] Calculate: 1) The depth (amount) of rain that fell (in mm). 2) The

    asked by Pleasehelp!
  88. Chemistry

    I was asked to write up the experiment that we did in class, but i was absent that day, and i really don't know anything about it, could someone please help me, the title of the experiment says : To obtain a pure sample of benzoic acid form an impure

    asked by Wiola
  89. Math

    Cindy has two fourths of a circle and three tenths of a circle. What does she need to make a whole circle?

    asked by Juanita
  90. Childhood Education

    Learning to make candy from a recipe would relate most directly to which two of the 13 activity areas? A Math and science B Social studies and science C Cooking and math D Social studies and cooking . I belive the C is the correct answer

    asked by Rosa
  91. English

    find the prefix and root of overrule?

    asked by mildred
  92. Geography

    22. What factor explains why the Democratic Republic of Congo has been economically unsuccessful? a. corrupt national leadership and inefficient use of resources b. lack of natural resources c. a lack of rivers that could be used for transportation d. poor

    asked by mysterychicken
  93. Bio

    In spite of factors that tend to restrict cell size, some plant cells are very large. For example, some marine algae have cells almost as large as a chicken egg which of the following characteristics would favor the growth of large cells? 1- thin layer of

    asked by bubba
  94. Calculus

    Find the inflection points for f(x) = 12x^5 + 45x^4 - 360x^3 + 7

    asked by Z32
  95. social science

    why does the constitution specify different ways to determain the number of members for the House and for the Senate?

    asked by kate
  96. Physics

    How do you calculate and compare the gravitational and electrical forces between an electron and a proton separated by 10 to the negative 10 m. Is the answer: m x a = (4p2r/t2)= 10 - 30 x 4 x1021= 4x10

    asked by Lauren
  97. government

    write several paragraphs stating advantages and disadvantages to the unitary, confederate, and federal systems of government.

    asked by Travis
  98. English

    Hi, were going to have a sight essay test soon and one of things we should know is deductive vs inductive reasoning...my question is... in an essay how do you know? i know what each one is.... but i cant see to apply it :( any examples? Thanks a ton!

    asked by zxcvbn
  99. Civics

    Constitutional scholars have pointed out there is an inconsistency in Justice Marshall's opinion with respect to what the constitution specifically provides. What is that inconsistency?

    asked by Anonymous
  100. Chemistry

    Is this correct? What is the experimental empirical formula of zinc chloride? Determine the simplest whole number ratio of moles of zinc used, to moles of chlorine reacted in the zinc chloride that was produced..028 moles of Zinc .025 moles of Cl .025

    asked by Madison
  101. Chemistry

    Does Cl2 (chlorine) have a -2 charge or -4 charge since there are 2 of them?

    asked by Holly Y.
  102. LAW

    On Sunday, in a telephone conversation, Oliver agreed to grant Yana an easement for a pipeline across land owned by Oliver for consideration of $50, Oliver to deliver a deed to the easement and Yana to pay the $50 on Friday . On Tuesday Yana wrote Oliver,

    asked by BON
  103. 5th grad math

    what is the difference between cubic unit and volume? I know that volume is length X width X height but wouldn't the cubic units come out to the same answer?

    asked by Jenny
  104. math

    it is less than 60 and greater than 55. if you add the digits, the sum is 13

    asked by Anonymous
  105. 8th grade

    WHAT IS A CHEMICAL SOLUTION AND GIVE AN EXAMPLE?

    asked by DANNY
  106. English

    Let's work in pairs. Say the specialty of your friend you know well to your partner. Use the following pattern. * I have a friend who ___________. For example, if one of your friends swims very well, say to your partner,"I have a friend who can swim very

    asked by Tom
  107. Physics

    It takes 180 kJ of work to accelerate a car from 21.0 m/s to 27.5 m/s. What is the car's mass? kg?

    asked by RE
  108. Physics

    In a ferris wheel, one person is at the top and another at the bttom. The ferris wheel rotates such that the magnitude of the tangetial velocity of each person is equal |v|top=|v|bottom. Determine for the person at the bottom, the force the seat exerts on

    asked by rasuka_geo
  109. math

    what are two whole numbers whos product is 1,224 and whos sum is 70

    asked by mary
  110. Social Studies

    I am doing producing a poster on MEDC and LEDC countries. I know what LEDC and MEDC means. can you please give me some advice as to how I layout and what information would be best to include when comparing two countries such as: Russia (MEDC) and Nicaragua

    asked by April
  111. Geography

    19. The focus of movement in Kenya for centuries has been toward the a. lands of Northern Kenya b. northeast coastal lands of Kenya c. fertile lands of the central highlands on either side of the Great Rift Valley d. lands in the north and the northeast of

    asked by mysterychicken
  112. chemistry

    we did a bunsen burner lab where we burned paper clips. We burned it for about 10 seconds then cooled it in water. I know this is a physical change but i need to come up with 3 chemical changes that occured. I already came up with the water vapor that

    asked by astrid
  113. Statistics

    Using formula P(x) = x/15 For each of the values x = 1, 2, 3, 4, and 5. a. probability distribution of x. b. Show that the probability distribution of x satisfies the properties of a discrete probability distribution. c. mean of x. sketch the two specified

    asked by Chinadoll
  114. Math

    prove:(cscx-cotx)^4 x (cscx+cotx)^4 = 1

    asked by Laura
  115. Trigonometry

    The measure of one of the equal angles in an isoscles trinagle is twice the measure of the remaining angle. Determine the exact radian measures of the three angles in the triange

    asked by Anonymous
  116. health

    "Why is an integrated understanding of culture health, beliefs, and family neccessary to implement the utilization of health care.

    asked by pj
  117. algebra

    how do you represent the x-interept of the graph y=2/3x+6?

    asked by erika
  118. math

    Please help me solve this problem... thanks! 1.Find the equation of the line that cntains the pont (5, -1) and has slope -1/2 2.find the equation of the line that passes through the points (-2,1) and (1,-5)

    asked by jojo
  119. business law

    Fess, a farmer, contracted to sell his cabbage crop to Chris C. for $475, the contract being made one week before the harvest. The contract was oral. After the harvest Fess quickly sold the crop to Don Trump instead for $700 when Trump called and offered

    asked by BON
  120. algebra

    Solve the following system: 1/2x-1/4y=7/2 3/4x+1/3y=19/2

    asked by please help(:
  121. fiance

    You want to create a $75,000 portfolio comprised of two stocks plus a risk-free security. Stock A has an expected return of 13.6 percent and stock B has an expected return of 11.4 percent. You want to own $30,000 of stock B. The risk-free rate is 4 percent

    asked by brandon
  122. Calculus

    How do you find factors of this with long division? 2x^3 - 3x^2 + 3x -1 = 0 I just don't know how to do it because there is a coefficient in front of first term.

    asked by Nikita
  123. English

    1. Candy stripers are teenage volunteers at hospitals. (What is the meaning of 'stripers' in the sentence?) 2. She also takes sick children outside in wheelchairs. 3. She also takes sick children out in wheelchairs. 4. She also takes out sick children in

    asked by Tom
  124. Geography

    How has the geography and history of the South helped to create a diverse population that continues to grow?

    asked by Sarah
  125. math

    thanks ms sue wold it be 58?

    asked by Anonymous
  126. Calculus

    What is the area of the largest rectangle that can be placed in a 5-12-13 right triangle (as shown)?

    asked by math
  127. Calculus

    What is the difference between f'(x), y', and dy/dx?

    asked by Ralph
  128. math

    it is greater than 30 and less than 40 add the digits the sum is 10

    asked by Anonymous
  129. Math

    please explain perpendicular to me

    asked by Renee
  130. Physics

    You are a passenger on a jetliner that is flying at a constant velocity. You get up from you seat and walk toward the front of the plane. As, a result, your forward momentum increases. What (if anything) happens to the forward momentum of the plane?

    asked by Bill
  131. math

    Can you check if my answer is correct? thanks... Find the equation of the line that passes through the points (-2,1) and (1, -5). m = y2 -y1/x2-x1 = 5-1/ 1-(-2) = 4/1+2 = 4/3

    asked by drake
  132. Math

    How do you simplify a expression with positive exponents? How do you write a fractions an expression using a negative exponent?

    asked by Zava
  133. health

    what are the advantages and disadvantagesof Process and Outcome measures of quality

    asked by Deborah
  134. chemistry

    Hello, Why dose hydrogen hasn't the characterize of the metals. Hydrogen stands in the first group of the product table A1. Although we know the elements of one group have similar propriety from each other. So, why there aren't any of hydrogen crystals

    asked by Hanouf
  135. texas history 1830's

    I sm having a difficul time trying to find information about captain john chaffin. please help

    asked by billy
  136. chemistry

    chemical analysis shows hemoglobin contains 0.34% of Fe by mass. How many moles of Fe wold be in a 100.00 g sample? Thank you.

    asked by Brittany
  137. Math

    Make up a set of at least twelve numbers tahtn have the following landmarks. Maximum:8 Range:6 Mode:6 Median:5

    asked by Christina
  138. Cost Accounting

    (allocating joint cost) In one joint process, Hardahl Chemical produces three joint products and one by-product. The following information is available for September 2008 Sales Value at Cost after Final SellingProduct Gallons Split-Off per gallon Split-Off

    asked by Danny
  139. Quantitative Methods of Business

    Karl's monthly expenses are $3,000. Of this 1/4 is for the mortgage payment, 1/8 is for credit cards, 2/5 if for the car payment, and the rest is for food and miscellaneous expenses. What is the amount of Karl's car payment?

    asked by Pamela
  140. Statistics

    Suppose that the probability distribution of a random variable x can be described by the formula P(x) = x/15 For each of the values x = 1, 2, 3, 4, and 5. For examples, then, p(x=2) = p(2) = 2/15 a Write out the probability distribution of x. b Show that

    asked by Kelly
  141. English1A

    Writeacher I finished the rest of the essay, it's a group thing so I had to put everyone's essay into one. Greetings and Gestures Culture plays a large role on how individuals communicate with one another, including how they express themselves. There are

    asked by Kuromi
  142. Physics

    A wagon with a weight of 200.00 N is accelerated across a level surface at 0.8 m/sec squared. What net force acts on the wagon?

    asked by Brittany
  143. Science

    In a measurement of precipitation (rainfall), a raingauge with an orifice (collector) area of 30.50 in2 collects 1.30 litres of water over a period of 26 minutes and 45 seconds.[10] Calculate: 1) The depth (amount) of rain that fell (in mm). 2) The

    asked by Bubble
  144. French

    Can you please check these also Directions: Rewrite each sentence in the negative. 1. Il dit quelque chose à son copain. Answer: Non, il ne dit rien à son copain. 2. Et son copain écrit quelque chose. Answer: Et son copain n'écrit rien. 3. Il voit

    asked by rachel
  145. Word Problem

    Suppose a newspaper published the following in a boxed corner of the want add sectioin: Should handgun control be abolished? You can call the shots if you participate in our poll tonight. If yes, call 1-900-for-guns. If no, call 1-900-Ban-guns. You will be

    asked by Anonymous
  146. Childhood Education

    Learning to make candy from a recipe would relate most directly to which two of the 13 activity areas? A Math and science B Social studies and science C Cooking and math D Social studies and cooking

    asked by Rosa
  147. science

    how does mass differ from weight what is law of universal gravitation

    asked by dai
  148. Human Resources Management

    Answer the following questions about a new employee training program for the position you selected for your final project: o Needs assessment: What types of issues might indicate a need for training? From what sources would these issues be identified? If

    asked by Stephanie
  149. Buiness

    Create a taxonomy of 10 management that lists the author, theory and significance. In addition write a conclusion defending the statement that there is no one best theory to fit all situtions

    asked by Manuel
  150. english

    what comment do you think fitzgerald is amking about youth culture? in bernice bobs her hair

    asked by yes
  151. math

    1/2x-1/4y=7/2 3/4x+1/3y=19/2 How do i change these into y=?

    asked by please help(:
  152. Spanish

    i need a tranlation for this poem please : EN tanto que de rosa y azucena se muestra la color en vuestro gesto, y que vuestro mirar ardiente, honesto, enciende el corazon y lo refrena, y en tanto el cabello que en la vena del oro se escogio, con vuelo

    asked by Annaiiz
  153. gr.7 math

    what set of intervals would you choose to create a stem-and-leaf-plot for each set of data? 263 282 274 265 277 281 277 283 272 267

    asked by vanessa
  154. psy 202

    what are the five maps in writeing?

    asked by meshelle
  155. 5th grade

    I need help with 6 math unscrambler problems.

    asked by bob
  156. 5th grad math cubic units

    Thank you. So then: let's say you're looking at a 3 dimentional block of units: 4 blocks in length, 2 blocks with and 3 blocks high. The volume would be 24, what would the cubic units be? Wouldn't it be the same?

    asked by Jenny
  157. Algebra

    State whether each equation represents a linear, quadratic, or exponential function. Tell how you decided. 1. y = 9^3x + 4 2. 4x = 5 - y 3. y = 2x^2 + 23 – 14x

    asked by Matt
  158. Chemistry

    Why is conc. Sulphuric acid used as a drying agent? Is it because it is hygroscopic it will absorb water without forming a solution?

    asked by Anonymous
  159. English

    I hate to read and I did not read the book THe Guns of Navarone. I have to answer one question for four categories; Comprehension, Extending Understanding, Text Analysis, and Context Analysis. Help?

    asked by Jacob
  160. maths

    in 1994, the profit is $250,000 in 1995, the profit is $280,000 in 1996, the profit is $240,000 in 1997, the profit is $320,000 in 1998, the profit is $310,000 this information is in a chart but charts don't work here so anyways [it looks something like

    asked by kamilla
  161. algebra

    write an equation in slope-intercept form of the line that passes through the given points. a. (-6,1), (3,-7) b. (-2/3,4), (6, -1/3) write an equation in point-slope form of the line that passes through the given poitns. c. (-2,5), (4,-3) d. (1/2,-1),

    asked by <3
  162. math

    Can you help me answer this question? I have no idea how to do this... 1. Is (2,3) as solution of the system 3x +4y = 18 2x - y =1?

    asked by Carla
  163. Organic Chem

    what is the equation including the mechanism for the reaction of 1-butanol with NaCl+ NaBr in H2S04 What are the equations for the side reactions?

    asked by Lori
  164. math

    please help, I have a test tomorrow and i don't get this. solve by substitution 1. y = x - 3 x + y = 5 2. 5x + 2y = 0 x - 3y =0

    asked by Jim
  165. Literacy development

    Why is the home-school connection during the early stages of learning to read?

    asked by Anonymous
  166. math

    the product of two numbers is 50. when you divide the larger number by the smaller number you get 2. what are the two numbers?

    asked by Anonymous
  167. Physics

    How long would it take for the Earth to complete a full turn if a person at 49.2° northern geographical latitude floats apparently weightlessly across the room? Use REarth = 6,385 km for the radius of Earth

    asked by Nikita
  168. math

    how to dived fraction

    asked by mariana
  169. science

    What are the physical features of niagra falls.

    asked by bob
  170. Math

    Take the greatest care with your significant digits. If you don't this qusestion is not do able. Llyn Gweision ( A welsh lake) has a surface area of 10km2. It is fed by two rivers: the afron Chwefru and the nant aeron. The Chwefru has a catchment area of

    asked by Heena
  171. chemistry

    D --> E and E --> F have yield of 61% and 83% respectively. what is the overall percent yield for conversion D --> F? thank you.

    asked by Brittany
  172. english biographies

    why is henry the eighth important and why,what charesteristics/things make him important,how he contributed to his speciality

    asked by lak1232
  173. Physics

    the sun's mass is 1.99*10^30 kg and it has a radius of 6.96*10^8 m.What is the Sun's gravitational field strength at its surface.

    asked by Anonymous
  174. math

    how can i write these equations in standard form with integer coefficients? so #1 is: y=1/2x-3/5 and also #2: y=-8/3x+4/9 I know the formula is Ax+By=C.. but I just don't get these two.. plz explain & thanks!

    asked by green
  175. Physics

    What are two quantities of an object launched parallel to the ground which are equal to zero? I think one of the two is vertical velocity.

    asked by joshua
  176. Science 8th grade

    What is the mass of a piece of aluminum that has a volume 100.0^3?

    asked by Nicholas
  177. L.A/History

    What is Vocabulary Strategy ABC's?

    asked by Anonymous
  178. English

    Hi, I am kind of missing the point of this essay...any ideas about the thesis? F. Scott Fitzgerald once wrote “The rich are different from you and I,” to which everybody usually responds, “Yeah, they’ve got more money.” On a similar theme, it’s

    asked by sarah
  179. math

    Suppose you want to collect data on how often people in your community use their new blue bin for recycling. You decide to ask the first 100 people you meet at an Enviroment Day even. how might your re!@#$%^&s be biased?

    asked by marie
  180. math

    Find the equation of the line that passes through the points (3,-1) and (0,-3)

    asked by Ann
  181. math

    Supose you want to collect data on how often people in your community use their new blue bin for recycling. You decide to ask the first 100 people you meet at an Enviroment Day event. what bias might you expect from this sample?

    asked by marie
  182. scatter plots

    in 1994, the profit is $250,000 in 1995, the profit is $280,000 in 1996, the profit is $240,000 in 1997, the profit is $320,000 in 1998, the profit is $310,000 this information is in a chart but charts don't work here so anyways [it looks something like

    asked by kamilla
  183. ENGLISH

    If you have read The purloined Letter by Edgar A. Poe, can you help me with the theme please?! Thanks

    asked by anonymous
  184. math

    what set of intervals would you choose to create a stem-and-leaf-plot for each set of data? 263 282 274 265 277 281 277 283 272 267

    asked by marie
  185. social studies

    True or False.. The purpose of the Declaration of Independence was to complain to Great Britain about the different taxes.

    asked by m3n0r
  186. social studies

    Write an essay on the colonization of Spain, including historical background on colonization and a thesis explanining the rationale of three of the following motives: humanitarian,trade and military?

    asked by Spain
  187. To Ms. Sue

    Ms. Sue can you please take a moment to look at my previous post, thanks.

    asked by Sara
  188. English

    1. They wear pink and white stripe uniforms. 2. They wear pink and white striped uniforms. (Which one is correct? Are both OK?)

    asked by Tom
  189. math

    can someone actually show me all the steps to finding this deriviative. I keep doing the problem out and getting the wrong answer. Find the deriviative of: INVERSEsin(2t)^1/2

    asked by carolina
  190. Economics

    select a country and an economic concern, such as population, unemployment, etc. Search the Library and Internet for data sets for the concern that you have chosen. Where were you able to find data sets? What is the relationship between the variable that

    asked by John
  191. English

    I want to improve the flow of this sentence. I would greatly appreciate any insight, minor or major. Here is the sentence, which is intended as a thesis: L. Ron Hubbard, in founding Scientology, has created a dangerous contemporary cult that suppresses

    asked by Stephen
  192. science 7thgrade

    in an organism containig many cells how is th work of the cell performed

    asked by kimberly
  193. ENGLISH

    If you have read The purloined Letter by Edgar A. Poe, can you help me with the theme please?! Thanks

    asked by anonymous
  194. American History

    could the west have been settled with less conflict with the native americans? at what cost to people and land did the mining, ranching and farming booms come?

    asked by Uma
  195. math

    5/6 x 15/16 =

    asked by Melea
  196. Business Law

    Fess, a farmer, contracted to sell his cabbage crop to Chris C. for $475, the contract being made one week before the harvest. The contract was oral. After the harvest Fess quickly sold the crop to Don Trump instead for $700 when Trump called and offered

    asked by BON
  197. Algebra

    The Political Noise Problem. The amount of background noise is important to television news reporters. One station developed the formula N = -t2 + 10t + 56 showing the noise level in decibels (N) as it relates to the time after the speaker stops talking in

    asked by JR
  198. social studies

    How many times has the state of Ohio's flag changed?

    asked by Jave
  199. Science

    What is a gel, and what is a sol (as in aerosol, hydrosol,etc.)?

    asked by VICTOR
  200. Science

    How many stars form the bowl of the Big Dipper and What part of a carrot plant could be considered a wedge?

    asked by Jacob
  201. geometry

    suppose the bases of the rectangle and triangle in the building above are doubled to 40ft,but the height of each figure remains the same.How is the force of the wind against the side of the building affected?

    asked by critical thinking
  202. Socials

    Does a government ever have the right to sacrifice individual liberties in the name of freedom?

    asked by Sara
  203. spanish

    what does corregir los campos senalados mean in english

    asked by judy
  204. Chemistry

    Sodium Carbonate is said to be a strong base however when in aqueous solution it doesn't yield OH^- ions so how can we say its a base. Or do we say its a base because of its PH.

    asked by Anonymous
  205. pre calculus

    Use the following conditions to create a sketch of the function by hand. a. vertical asymptote at x=3 b. x-intercept of 1 and 5 c. f(2)=f(4)=f(6)=3 d. increasing on [0,3) and [5,infinity) e. decreasing on (3,5] f. f(x) is an odd function I don't know how

    asked by Muffy
  206. english

    give 5 reasons why verbs are important to your life

    asked by brittany
  207. Chemistry

    What are complementary colors and how due different wavelengths of light affect the original color?

    asked by Brian
  208. 10th grade

    suppose the bases of the rectangle and triangle in the building above are doubled to 40ft,but the height of each figure remains the same.How is the force of the wind against the side of the building affected?

    asked by Geometry
  209. childhood Education

    One of the major purposes of the personal interview is to relieve the anxieties of the A program director B caregiver C enrolling child an parents. D children who are already in the program. I belive the C is correct answer.

    asked by Rosa
  210. Orgo chem

    I have to find the boiling point of an unknown from a distillation experiment. The boiling ranges from 88.0 degrees Celsius to 94 degrees Celsius How can you find the boiling point when the points are graphed? Three of the points are the same (94 degrees)

    asked by Taylor
  211. Geography

    Why does London experience spring in MAR-MAY, summer in JUN-AUG, autumn in SEP-NOV, Winter in DEC-FEB? HOW IS IT RELATED TO ROTATION & REVOLUTION?

    asked by Sakina
  212. habitats

    what do plants and animals need yo survive?

    asked by sgfghgg
  213. Algebra 1

    Find the equation of the ine that contains the point (5, - 1) and has slope 1/5. please help!

    asked by Corine
  214. bookz

    could i find a geometry book at the libray?

    asked by vanessa
  215. Finance

    Why there is difference between purchase price and sale price of foreign currency?

    asked by chintan
  216. math

    Find an angle between 0 and 2Ð that is coterminal with given angle. 1. -7Ð /3 2. 10 3. 51Ð /2

    asked by David
  217. English

    Do you capitalize north as in "The North?"

    asked by Jia
  218. calculus

    At noon, ship A is 10 nautical miles due west of ship B. Ship A is sailing west at 18 knots and ship B is sailing north at 22 knots. How fast (in knots) is the distance between the ships changing at 4 PM?

    asked by Anonymous
  219. integrated computer applications

    o save time you don't have to key your memo heading each time you begin a new memo, create a quick part?

    asked by Anonymous
  220. latin

    i need help translating this sentance to latin.. "six safe and favorable slaves were standing under their healthy statues and always satisfied the opinion of the cruel syracusans with wisdom"

    asked by lexi
  221. Socials

    Means and Ends The selection below is based on an editorial which appeared in a French newsapaper during the Reign of Terror: Yes, terror is the order of the day, and ought to be for the selfish,...for the heartless rich,...for all who do not feel the

    asked by Sara
  222. science

    How are elements represented on a periodic chart?

    asked by Jordan
  223. Math

    Round your answer to the nearest whole number when necessary. In a basketball game,Ivring scored 80% of the teams points.If team as a whole scored 120 points,how many points did Ivring score? PLS answer within the next minute!!

    asked by Elizabeth
  224. math

    how to dived fraction

    asked by mariana
  225. Math

    This is the layout of the McDougal's backyard.The scale is 1 centimeter to 5 meters.The length of the deck on the layout is 7 centimeters.The width of the deck on the deck is 2 centimeters. What is the actual perimeter of the deck? Pls answer within the

    asked by Elizabeth
  226. science

    what type of cell is mitosis? what type of cell is meiosis?

    asked by mary
  227. Physics

    A satellite orbits at an average altitude of h = 409 km. What is its orbital speed? Use REarth = 6370 km and mEarth = 5.98 x 10^24 kg

    asked by Nikita
  228. Physics

    A tire cruises up an embankment at 30° for 1 meter before launching across Piranha Lake. What is the velocity of the tire at the top of the embankment in m/s? HELP: Inital KE of the tire is 1/2*M*V2 + 1/2*I*(V/R)2; both rotational and translational Final

    asked by Sara
  229. algebra (check plz)

    write an equation in slope-intercept form of the line that passes through the given points. a. (-6,1), (3,-7) b. (-2/3,4), (6, -1/3) write an equation in point-slope form of the line that passes through the given poitns. c. (-2,5), (4,-3) d. (1/2,-1),

    asked by <3
  230. Stat

    Label each following situation (P)Parametric or (NP)Non Parametric 1.From a written survey where the respondents were asked to rate an individual on a scale of 1 tp 5, one group rated an individual a 3.7, a another group rated the individual a 4.3. Is the

    asked by Shon
  231. geometry

    what is the area of a piece of fabric that has the measurement of (s - 4)

    asked by michael
  232. Literacy development

    why has the teaching of reading become so controversial even at times political

    asked by Anonymous
  233. 6th grade

    Show me a plot diagram example please.

    asked by Jordan
  234. Physics

    the sun's mass is 1.99*10^30 kg and it has a radius of 6.96*10^8 m.What is the Sun's gravitational field strength at its surface.

    asked by Anonymous
  235. French

    Can you check these... Directions: Répondez que non Part I 1. Ta grand-mère travaille encore? Answer: Ma grand-mère ne travaille plus. 2. Ta soeur joue encore a foot? Answer: Ma soeur ne joue plus au foot. 3. Tu écris encore à ton amie Marie? Answer:

    asked by rachel
  236. Socials

    What were the goals of the French Revolutionaries? Do you think they were worth fighting for? Is the writer justified in saying that any means are all right when fighting for a worthy cause? The goals of the French Revolutionaries were to give liberty,

    asked by Sara
  237. physics

    How long would it take for the Earth to complete a full turn if a person at 24.1° northern geographical latitude floats apparently weightlessly across the room? Use REarth = 6,375 km for the radius of Earth. Thank you

    asked by m2a
  238. yeast breads

    what creates the gas in breads like pizza & english muffins?

    asked by Anonymous
  239. Computer Science - Java

    Hi, For an assignment I am doing, we have to have 2 service classes and one application class. One service class is already written (i.e. DiceGame1) and I am writing another one (i.e. Player) that is supposed to use the previous service class an instance

    asked by Lisa