1. statistics

    How do ethics affect your chosen level of significance? I am not sure if I understand what the instructor is wanting can some look at my answer and see if I am close and if I am missing something Answer: The level of significance to my understanding is

    asked by JOHN on February 12, 2009
  2. math

    Suppose 100 dots are arranged in a square 10 × 10 array, and each dot is colored red or blue. (a) Prove that this array must contain a “monochromatic” rectangle. That is, no matter how the red and blue colors are assigned, there must be either a set

    asked by Tyler on April 15, 2010
  3. History

    For which of the following is the great pharaoh ramses ii known? Wrote famous literature Was female pharaoh Established trading route with Greeks Built monuments ***** Fought in many battles and acquired territory ***** Which of the following were

    asked by Anonymous on November 2, 2018
  4. Physics

    1. a car traveling on a dry road with a velocity of +32.0m/s. The driver slams on the breaks and skids to a halt with an acceleration of -8.00m/s^2. on an icy road the car would have skidded to a halt with an acceleration of -3.00m/s^2. how much further

    asked by Amy on October 12, 2010
  5. Langusge Arts

    Can you find 3 metaphors and 10 alliterations in this poem? THE Witch 1.She comes back night, in fearsome flight, 2. In garments black as pitch, 3.The queen of doom upon her broom, 4.The wild and wicked witch, 5.A cackling crone with brittle bones 6.And

    asked by Ali on April 14, 2010
  6. Statistics and Probability

    Suppose a basketball player successfully makes 70% of the free throw shots they attempt. Let X represent the number of successful attempts in 120 independent attempted free throws. (A) What is the true probability distribution of X? (B) Find the mean and

    asked by Adam on February 27, 2011
  7. statistics

    Suppose a basketball player successfully makes 70% of the free throw shots they attempt. Let X represent the number of successful attempts in 120 independent attempted free throws. (A) What is the true probability distribution of X? (B) Find the mean and

    asked by Adam on February 26, 2011
  8. algebra

    Write Home Depot’s 2002 sales and 2006 sales in scientific notation. 2002: (5.82×10^10) 2006: (9.08×10^10) This part I got. but can someone help me with the second part... 1) Find the increase in sales from 2002 to 2006. I think the answer is:

    asked by Anonymous on January 10, 2011
  9. math

    A group of people planned to contribute equally towards a water project which needed Ksh 200,000 to complete, however, 40 members of the group without from the project. As a result, each of the remaining members was to contribute Kshs 2,500. (a) Find the

    asked by kudu on February 21, 2015
  10. programing

    5.Write a query to display the details of employees in the shipping' department who were hired after '01-JAN 1990' note that the query must use a join. 6.Write a query to display all unique department_id's in the employees table. 7.Write a query to display

    asked by kenny on May 9, 2011
  11. Math

    FIve years ago Zack would have been three times older than his young brother but five years from now he will only be two times older than his brother. How old is his brother? 25 In other words let x= brothers age so: 3(x-5)=2(x+5) Then 3x-15=2x+10 x=25 I

    asked by Oscar on September 26, 2006
  12. Math

    11. Figure A’B’C’D’ is a dilation of figure ABCD. Find the scale factor. Classify the dilation as an enlargement or a reduction. (1 point) Scale factor one-third; reduction Scale factor one-fourth; reduction Scale factor 3; enlargement* Scale

    asked by Anonymous on December 3, 2018
  13. chem

    Determination of the solubility product of PbI2. From the experimental data we obtain [I-] directly. To obtain Ksp for PbI2, we must calculate [Pb2+] in each equilibrium system. This is most easily done by constructing an equilibrium table. We first find

    asked by Tiffany on April 7, 2011
  14. Algebra

    The profit made from the sale of tiles is found by subtracting the costs from the revenue. (This is the money you take in minus the money you spent.) g. Find the Profit Equation by substituting your equations for R and C in the equation . Simplify the

    asked by Fred on March 5, 2012
  15. Business Cover Letter

    Write a business letter of two to three paragraphs based on the scenario described here. Write an application letter in answer to the ad below. You may make up details but do not copy directly from sample letters in the study unit or any other source. Your

    asked by Anonymous on March 30, 2009
  16. Social Studies

    1. Identify and explain three examples of individualist principles in contemporary society. For this, I wrote about Canadian Charter of Rights and Freedoms for the Individual rights and freedom principle. I can't think of two more examples, relating to

    asked by Anonymous on September 9, 2017
  17. Science Maths

    Sir, My question is as below:- Three particles a b & c of mass m are connected to each other by three massless rigid rods to from a rigid, equilateral triangular body of side 'l'.This body is is placed on a horizontal frictionless table (x-y plane) an is

    asked by Rohit Singh on May 10, 2008
  18. Sciece

    Hi Can I have websites that have quizes and tests for Science cause my checkpoint exams are coming and I want specifically in Biology , Chemistry , Physics The topics th at I want are Cells , Atoms elements compounds and mixtures and Energy and Energy

    asked by Hi on April 8, 2007
  19. economics

    4. Monopolistic Competition markets are characterized by many producers of very similar products. Each producer differentiates the product from the competing brands and tries to make monopoly profits from a small segment of the market that is devoted to

    asked by bai on November 13, 2007
  20. Check my precalc?

    #1: f(x) = x^2-4x find vrtex, axis ofsym, y-int, x-int if any, domain, range, where increasing and decreasing. I got.... vertex: 2,4 axis of sym: x=2 D= (-infinity, infnity) range= [4,infinity) im stuck of the intercepts because when i plug i 0 for x i get

    asked by Rebekah on September 25, 2012
  21. Precalc

    #1: f(x) = x^2-4x find vrtex, axis ofsym, y-int, x-int if any, domain, range, where increasing and decreasing. I got.... vertex: 2,4 axis of sym: x=2 D= (-infinity, infnity) range= [4,infinity) im stuck of the intercepts because when i plug i 0 for x i get

    asked by Rebekah on September 25, 2012
  22. French

    Could someone please explain to me verb inversion? I never get confused in French, but this verb inversion stuff is really confusing. It just seems so pointless! Please help, Thanks, brie Thank you for using the Jiskha Homework Help Forum. If you are doing

    asked by brie on May 12, 2007
  23. Algebra

    Natalie kept track of her calcium intake from three sources for 3 days. The first day she had 2 glasses of milk, 4 servings of ice cream, and 3 calcium supplements in pill form which totaled 2600 mg of calcium. The second day she had 3 glasses of milk, 4

    asked by Alice pleaseeeeee on February 25, 2019
  24. Geography

    I have this project to do but I didn't briing my book home. This is the problem. . . _______, _______, _________, and ________make up Caribbean South America. I would be greatly gratified if you would help me! i looked it up and saw coloumbia and venezuela

    asked by Loren on November 28, 2006
  25. Chemistry (solubility product question)

    "When 3.00 ml of a 0.00600 M K2CrO4 solution and 3.000 ml of a 0.0100 M Cu(NO3)2 solution are mixed, some solid forms. The mixture is centrifuged and the supernatant is removed. The absorbance of the supernatant, measured at 400 nm in a 1.00 cm cuvette, is

    asked by Nikki on April 10, 2015
  26. physics 2

    1) A spherical surface completely surrounds a collection of charges. Find the electric flux through the surface if the collection consists of a single +3.93E-6 C charge. 2) A plate carries a charge of -2.52μC, while a rod carries a charge of +2.19μC. How

    asked by corey on January 30, 2010
  27. Maths

    The volume of a pyramid with a square base is given by the expression 1/3s square h, where she is the length of a side of the base and h is the height. Find the volume of a pyramid with a square base of side length 24 feet and a height of 30 feet.

    asked by Tom on January 31, 2016
  28. Physics

    A uniform 160 N ladder rests against a perfectly smooth wall, making a 70 degree angle with the wall (ladder is 7 m long). (a) find the normal forces that the wall and the floor exert on the ladder. B) what is the friction force on the ladder at the floor?

    asked by Adolfo on January 26, 2016
  29. social studies

    Which were the roles of senior citizens in ancient Egypt and Mesopotamy? Go to Google's advanced search -- http://www.google.com/advanced_search?hl=en -- and enter elderly in ancient egypt mesopotamia. You'll find a few good places for information, and

    asked by Regina Aramburu on March 20, 2007
  30. physics

    A 9.0 m uniform beam is hinged to a vertical wall and held horizontally by a 5.0 m cable attached to the wall 4.0 m above the hinge, as shown below. The metal of the cable has test strength of 1.00 KN (kilo-Newton), which is the maximum tension magnitude T

    asked by toby on December 4, 2012
  31. Statistics

    An article in a Health Magazine suggested getting a dog to encourage more regular walking. A researcher for the article found that the distribution of time spent walking dogs is approximately normally distributed with a mean of 38 minutes per day. However

    asked by cain on September 8, 2017
  32. Chemistry

    1) You are given solutions of HCl and NaOH and must determine their concentrations. You use 37.0mL of NaOH to titrate 100mL of HCl and 13.6 mL of NaOH to titrate 50.0mL of 0.0782 M H2SO4. Find the unknown concentrations. Molarity of NaOH and molarity of

    asked by Ashley on October 4, 2010
  33. college

    1) You are given solutions of HCl and NaOH and must determine their concentrations. You use 37.0mL of NaOH to titrate 100mL of HCl and 13.6 mL of NaOH to titrate 50.0mL of 0.0782 M H2SO4. Find the unknown concentrations. Molarity of NaOH and molarity of

    asked by Ashley on October 4, 2010
  34. Physics Help!!!! Please check

    A 3.00 kHz tone is being produced by a speaker with a diameter of 0.150 m. The air temperature changes from 0 to 29°C. Assuming air to be an ideal gas, find the change in the diffraction angle . Please tell me where I am going wrong. first I converted the

    asked by Mary on May 2, 2007
  35. Precalculus, algerbra 2, investment,

    A stuffed animal dealer tells you that a fish he bought for $8 four years ago is now worth $200 follow the steps below to find the effective yield for this investment. Begin with the equation 8(1+r) ^4=200.Solve for (1+r) ^4 Take the common logarithm of

    asked by charlie on February 6, 2019
  36. AP Physics

    Hello given that I person 65 kg takes 4.5 s to climb a flight of stairs that is 5.5 m my question is well I was asked to solve for the work and W=fd and in this case f is equal to the normal force correct? Just take the opposite of mg??????? Also I'm asked

    asked by AP Physics on June 16, 2009
  37. math

    1.if 3 out of 24 marked scripts have mathematical error and 5 are to be randomly selected for audit,what is the probability that none of the marked scripts with mathematical errors will be chosen? 2.ten identical PCs are in the inventory of a dealer,one

    asked by Ibrahim on April 2, 2016
  38. Statistics

    I want to do an experiment fro my statistics class but I'm not sure if this will work: The effect of color on memory I want to give students a list of words in black and white and give them thirty seconds to try and remember the words. Then, thirty seconds

    asked by Samantha on November 23, 2009
  39. Chemistry

    If 0.500 mol each of phosphorus trichloride and chlorine are injected into a 1.00-L container at 60oC, find the equilibrium concentrations of all three species in the equilibrium mixture. PCl5(g) PCl3(g) + Cl2(g) K - 12.5 at 60oC This is my ICE Table...

    asked by Anonymous on January 5, 2018
  40. Math

    Carl's hands trembled as he stood in front of the safe and unfolded the crumpled piece of paper holding the combination that would open the safe. "Rats!' he moaned. The combination was written in the form of a riddle. The last number was described in the

    asked by Sam on April 21, 2007
  41. chemistry

    The pH of human blood needs to be between 7.35 and 7.45. You want to prepare a buffer solution that gives a pH of 7.40. You decide to use a sodium phosphate buffer: the acid is H2PO− 4 and the conjugate base is HPO2− 4 . You want the concentration of

    asked by Anonymous on April 24, 2016
  42. Algebra

    Find two consecutive positive integers such that the sum of the square is 85..(show your work) If X is the first integer, then X+1 is the next; therefore, the sum of those squares will be 85. X^2 + (X+1)^2 = 85 Solve for X, then add 1 to it for the second

    asked by Tomika on June 13, 2007
  43. physics

    The 4.00-kg block in the figure is attached to a vertical rod by means of two strings. When the system rotates about the axis of the rod, the strings are extended towards the rod and each have a length of 1.25. The length from the upper string and lower

    asked by Allison on April 21, 2011
  44. To Gunjan

    Your posts have been removed. In the future, please remember these things: 1. This is a homework help website; please put your subject (math, science, English, or ??) in the subject line to make it faster for each teacher to find those questions in his/her

    asked by Writeacher on November 5, 2009
  45. pre-calc

    analyzing the motion of a projectile: a projectile is fired from a cliff 200 feet above the water at an inclination of 45 degrees, with a muzzle velocity of 50 feet per second. the height of the projectile above the water is given by h(x)= -0.0128x^2+x+200

    asked by steph on November 10, 2011
  46. 7th grade

    Susan has red, blue, green, and yellow sweaters. Joanne has green, red, purple, and white sweaters. Diane's sweaters are red, blue, purple, and mauve. Each girl has only one sweater of each color, and will pick a sweater to wear at random. Find each

    asked by Kaitlyn on January 20, 2010
  47. physics

    A 2.00 kg ball moving to the right at 10.0 m/s makes an off-center collision with a stationary 3.00 kg ball. After the collision, the 2.00 kg ball is deflected upward at an angle of 30o from its original direction of motion and the 3.0 kg ball is moving at

    asked by brett on March 25, 2016
  48. english

    I have to write a thoughtful composition on the following: Gothic novels emphasize horror, mystery, and the supernatural. Write an analysis of the gothic features of the nvel Frankenstein that are evident in Chapters 1 through 8. How does she Shelley

    asked by Ana on October 19, 2010
  49. Physics

    An object of mass m=80 kg moves in one dimension subject to the potential energy U(x)=λ4(x2−a2)2+b2x2.(1) Here we use λ= 6 kg/(m2s2), a= 4 m, and b= 36 kg/s2. ------ then , (b) Find a stable equilibrium point x0 such that x0 is positive. (in meters)

    asked by Shashanoid on November 4, 2013
  50. Physics

    There is a block of mass 1 on a frictionless surface attached to a string. The string goes over a frictionless pulley. The pulley is a hoop with a rotational inertia of I=MR^2. The other end of the string is attached to a hanging block of mass 2. The

    asked by Gill Walker on February 3, 2017
  51. Math, Algebra

    A square and rectangle have the same area. The length of the rectangle is five inches more than twice the length of the side of the square. The width of the rectangle is 6 inches less than the side of the square. Find the length of the side of the square.

    asked by Liz on May 2, 2017
  52. physics

    Vector has a magnitude of 5.10 units and points due east. Vector points due north. (a) What is the magnitude of , if the vector + points 27.4 ° north of east? (b) Find the magnitude of + .

    asked by chrissy on February 4, 2014
  53. physics

    Vector has a magnitude of 4.10 units and points due east. Vector points due north. (a) What is the magnitude of , if the vector + points 55.1 ° north of east? (b) Find the magnitude of + .

    asked by thaokieu on January 30, 2011
  54. Math 6th grade

    Mr.Baker has baked some muffins. If he packs them in boxes of 4, he will have 3 left over. If he packs them in boxes of 5, he will also have 3 left over If he packs them in boxes of 6, he will have only 1 left over. Find the least possible number of

    asked by Andrea on September 19, 2016
  55. Physics

    At a point P, the electric field is 78 N/C at 51° counter-clockwise from the positive x axis. A particle of mass 4.7 kg and charge -0.11 C is located at P. Find: 1.the magnitude of the force on the particle 2.the direction of the force on the particle:

    asked by RW on September 14, 2014
  56. algebra

    You have a bag with 60 black jelly beans and 240 red ones. a) If you draw one jelly bean out of the bag, find the probability that it is black. -------60/300= 1/5 b) If you add 60 black jelly beans to the original bag and draw out a bean, what is the

    asked by desperate! on February 24, 2010
  57. math again

    You have a bag with 60 black jelly beans and 240 red ones. a) If you draw one jelly bean out of the bag, find the probability that it is black. -------60/300= 1/5 b) If you add 60 black jelly beans to the original bag and draw out a bean, what is the

    asked by kali on February 24, 2010
  58. accounting

    Kudos Leather Goods purchased the following items during the month of April: 1. April 12, 34 wallets @ $12.95 each 2. April 08, 24 wallets @ $13.10 each 3. April 18, 15 wallets @ $13.25 each 4. April 26, 20 wallets @ $13.27 each On April 1, the business

    asked by working hard on August 23, 2012
  59. accounting

    Kudos Leather Goods purchased the following items during the month of April: 1. April 12, 34 wallets @ $12.95 each 2. April 08, 24 wallets @ $13.10 each 3. April 18, 15 wallets @ $13.25 each 4. April 26, 20 wallets @ $13.27 each On April 1, the business

    asked by working hard on August 23, 2012
  60. Physics

    A light–rail commuter train draws 635 A of 640–V DC electricity when accelerating. What is its power consumption rate in kilowatts? (in kW) 406 kW You are correct. How long does it take to reach 30.0 m/s starting from rest if its loaded mass is

    asked by Ashton on September 14, 2014
  61. Physics

    A thin rod, of length L and negligible mass, that can pivot about one end to rotate in a vertical circle. A heavy ball of mass m is attached to the other end. The rod is pulled aside through an angle and released. What is the speed of the ball at the

    asked by Technoboi11 on March 9, 2007
  62. maxima/minima problems

    A regular box is open at the top and has a square base. To construct the box costs $4 a square foot for the base and $3 a square foot for its sides. Find the cost of the least expensive box and the dimensions of this least expensive box. There is not

    asked by maricela on May 9, 2007
  63. Statistics

    In a survey conducted by researchers at the University of Wisconsin, subjects were asked the question "Have you ever used cocaine?" in one of three methods, anonymous survey, personal interview, or phone survey. The contingency table below shows the

    asked by Tyra on October 2, 2013
  64. Statistics

    In a survey conducted by researchers at the University of Wisconsin, subjects were asked the question "Have you ever used cocaine?" in one of three methods, anonymous survey, personal interview, or phone survey. The contingency table below shows the

    asked by Tyra on October 2, 2013
  65. physics

    To keep homerun records and distances consistent from year to year, organized baseball randomly checks the coefficient of restitution between new baseball and wooden surface similar to that of of an average bat. Suppose you are in charge of making sure

    asked by Ryan on October 29, 2009
  66. Science

    Hello I have an exam coming and my question is : Why do we sometimes have a tiny electical current ( spark ) when we take our sweater off because of the shirt and jacket rubbing each other , the negative charges will have static electricity But for an

    asked by Veronica on April 30, 2007
  67. Probability

    Consider a fire alarm that senses the environment constantly to figure out if there is smoke in the air and hence to conclude whether there is a fire or not. Consider a simple model for this phenomenon. Let Θ be the unknown true state of the environment:

    asked by qwerty on April 21, 2015
  68. accounting cash flow

    Hi, i have a problem with my statement of cash flow, I did all the work but I just can not seem to find the "cash at beginning of year" part. Does anyone know how to calculate this? Here is the question: Ohio Enterprises was organized on January 1, 2010,

    asked by Lazeez on January 28, 2011
  69. criminal justice

    You have just been appointed as the new court administrator for a medium sized court system with approximately 75 employees and five full time courts. This is a new position for the courts, as in the past each individual court has primarily managed itself,

    asked by cupcake on June 25, 2009
  70. Fine Art

    1. Wooden temples were considered an art form from a. Japan b. China c. Buddhists d. Indians A 12. Which of the following colors represents the spiritual realm in many African societies? a. White b. Red c. Black d. Brown Not sure... 13. Shiva Nataraja

    asked by mysterychicken on November 29, 2010
  71. english

    need to change all 1st and 2nd person pronouns to 3rd person pronouns for the following: We animals are the most complicated things you will find in the known universe. The universe that we know, of course, is a tiny fragment of the actual universe. There

    asked by sammi on February 11, 2010
  72. spanish sra JMcGuin

    1. Approximately what percentage of the world's Spanish-speaking population lives in the United States? 5 9 14 2. According to the Guinness record book, how many letters does the longest Spanish word have? 22 29 42 3. The word chocolate came to Spanish

    asked by sam on October 24, 2009
  73. Math 116

    1.Write an equation of the line containing the given points and parallel to the given line (3,8); x+5y=3 2. Write an equation of the line containing the given points and parallel to the given line (-3,6); 5x=9y+2 3. Write an equation of the line containing

    asked by Keisha on July 13, 2011
  74. Math 116

    1.Write an equation of the line containing the given points and parallel to the given line (3,8); x+5y=3 2. Write an equation of the line containing the given points and parallel to the given line (-3,6); 5x=9y+2 3. Write an equation of the line containing

    asked by Keisha on July 13, 2011
  75. Math >.<

    Please check my answers! A(A box contains 2 yellow,3 red,2 blue,3 purple, and 4 pink marbles.Once a marble is selected, it is {{not}} replaced. Find each probability. 1.P(two purple marbles) my answer~ 1/91 2. P(two yellow marbles) my answer~ 2/4 or 1/7

    asked by Carley on December 5, 2013
  76. Math

    Out of a group of 600 students taking computer,mathematics or physics,there is no student taking both computer and mathematics.Every student takes computer or mathematics.150 take physics and mathematics and 250 take only one of the subjects.Find 1) the

    asked by Mitu on December 30, 2015
  77. Physics EM

    An ammeter is connected in series to a battery of voltage V_b and a resistor of unknown resistance R_u The ammeter reads a current I_0. Next, a resistor of unknown resistance R_r is connected in series to the ammeter, and the ammeter's reading drops to

    asked by Spencer on March 6, 2008
  78. Math

    3. The costs of doing business for a company can be found by adding fixed costs, such as rent, insurance, and wages, and variable or suppliers costs, which are the costs to purchase the product you are selling. The portion of the company’s fixed costs

    asked by adb on January 19, 2011
  79. Math (UBC)

    Economists use production functions to describe how output of a system varies with another variable such as labour or capital. For example, the production function P(L) = 200L + 10L^2 - L^3 goves the output of a system as a function of the number of

    asked by Assignment6 on October 20, 2011
  80. Math Calculus

    Economists use production functions to describe how output of a system varies with another variable such as labour or capital. For example, the production function P(L) = 200L + 10L^2 - L^3 goves the output of a system as a function of the number of

    asked by Assignment6 on October 21, 2011
  81. Math

    Perfect Solo Problem: Clara Nett plays a musical solo. She is quite good and guesses that her probability of playing any one note right is 99%. The solo has 60 notes. a. Find the probability that i. She plays every note right ii. She makes exactly one

    asked by Kodak Black on January 17, 2018
  82. Physics(Please, please check)

    A uniform horizontal beam is attached to a vertical wall by a frictionless hinge and supported from below at an angle è = 38o by a brace that is attached to a pin. The beam has a weight of 347 N. Three additional forces keep the beam in equilibrium. The

    asked by Hannah on June 10, 2012
  83. PHYSICS

    The object of the long jump is to launch oneself as a projectile and attain the maximum horizontal range (Fig. 3–26). Here we shall treat the long jumper as a particle even though the human body is fairly large compared to the size of the trajectory.

    asked by Anonymous on May 19, 2013
  84. PHYSICS

    The object of the long jump is to launch oneself as a projectile and attain the maximum horizontal range (Fig. 3–26). Here we shall treat the long jumper as a particle even though the human body is fairly large compared to the size of the trajectory.

    asked by Anonymous on May 19, 2013
  85. PHYSICS

    The object of the long jump is to launch oneself as a projectile and attain the maximum horizontal range (Fig. 3–26). Here we shall treat the long jumper as a particle even though the human body is fairly large compared to the size of the trajectory.

    asked by Anonymous on May 19, 2013
  86. Obsolescence

    Could I know what this means? Like I think it means no more existance or something, but how do I rephrase my awkwardy definition? What things are becoming obsolote? Home land line phones Cassettes Could You give me a link to where I can find what other

    asked by Anonymous on February 7, 2011
  87. U.S History

    Okay so i have the answers but i would like to know if i have them right. may someone tell me which ones are right and wrong ? Which of the following describes Loyalists? (1 point) A. They decided to fight against the British. B. They supported British

    asked by day on October 17, 2012
  88. math

    Cinema A sells a 12-pack of movie passes for $66. Cinema B sells a 5-pack of movie passes for $28. a.)Find the cost per movie pass for each cinema. Which offer is cheaper per movie pass? b. How much do you save per movie pass if you choose the cheaper

    asked by i need help please on January 24, 2018
  89. Sta 112

    This is my question every one . Please help me have it already I had 6 as my answer. In a class of 50 student 28,22,20 of them offer physics,chemistry and biology respectively also 4 of them offer physics and chemistry but not biology,3 offer physics and

    asked by Anonymous on January 23, 2016
  90. Physics(IMPORTANT)

    A block of mass m = 2 kg on a horizontal surface is connected to a spring connected to a wall (see figure). The spring has a spring constant k =10 N/m. The static friction coefficient between the block and the surface is mμs =0.7 , and the kinetic

    asked by keitanako on November 1, 2013
  91. chemistry

    How to find moles given oxidation numbers and chemical formula? Trying to do my chemistry lab but i'm super duper stuck. please help me i'm gonna die. this is the part i'm stuck on: The overall charge on the complex, [Ni(en)(H2O)]^2+ * SO4^2- * H2O is

    asked by dr bob's number one fan on November 15, 2012
  92. statistic

    Over the past 10 years, the local school district has measured physical fitness for all high school freshmen. During that time, the average score on a treadmill endurance task has been μ  19.8 minutes with a standard deviation of   7.2 minutes.

    asked by Nickie on January 27, 2013
  93. English

    Thank you for improving my punctuation. Here are some more sentences I'm doubtful about.In particular, I find it difficult to express numbers 7 and 9. 1) However, while looking at the picture, a cry of pain and indignation comes from him. 2) He can see no

    asked by Mike on March 9, 2011
  94. math

    Birbal, the wise one among Emperor Akbar’s courtiers, is known to have solved several taxing conundrums to the satisfaction of everyone concerned. The sons of a well-known merchant once approached Birbal with a peculiar problem which they could not

    asked by gayathri on August 13, 2016
  95. Spanish III Part 2

    Write the correct conjugation of the verb in the preterite tense. 1. abrir - yo 2. escribir - nosotros 3. hablar - tú 4. escuchar - vosotros 5. cantar - ella 6. bailar - ellos 7. contestar - yo 8. limpiar - nosotros 9. correr - tú 10. montar - vosotros

    asked by Cora on November 29, 2012
  96. English

    Can you please help me to understand what this poem is about? Maybe some useful weblinks will hhelp me as i cannot find anything. Thank you :) History John Burnside St Andrews: West Sands; September 2001 Today as we flew the kites — the sand spinning off

    asked by anonymous on November 4, 2015
  97. physics

    a hot-air balloon having initial velocity vi as it ascends. Then, a water balloon is dropped from the basket when it is 135 meters high and would hit the ground after 9.00 seconds. a) find the velocity of the hot-air balloon upon release of the water

    asked by lib on October 2, 2012
  98. Chemistry

    4.00 mol of solid A was placed in a sealed 1.00-L container and allowed to decompose into gaseous B and C. The concentration of B steadily increased until it reached 1.20 M, where it remained constant. A(s) B(g)+C(g) Then, the container volume was doubled

    asked by Anon on February 5, 2013
  99. Math

    find any stationary points of the function g(x) = (2x-3)square root of 5+16x-4x^2 (0 less than or equal to x less than or equal to 4) and use the first derivative test to classify each stationary point as a local maximum or local minimum of g(x) this is

    asked by Pd on September 14, 2010
  100. math

    Please help me to find the five-number summary of the following set of numbers.338, 226, 149, 391, 247, 501, 300, 223, 320 According to a definition I found online, "The five-number summary of the data consists of the minimum data point, the first

    asked by carmen on April 23, 2007

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