1. economics

    Sally and a partner holds the ends of a spring 4 meters apart. There are 5 nodes in the standing wave produced. Sally moves her hand from the rest position back and forth along the floor 20 times in 4 seconds. Determine the following: Wavelenght of wave

    asked by CJ on April 22, 2010
  2. physics

    Sally and a partner holds the ends of a spring 4 meters apart. There are 5 nodes in the standing wave produced. Sally moves her hand from the rest position back and forth along the floor 20 times in 4 seconds. Determine the following: Wavelenght of wave

    asked by CJ on April 22, 2010
  3. Physics

    Your teacher placed a 4.5 kg block at the position marked with a “ +” (horizontally, 0.5 m from the origin) on a large incline outlined on the graph below and let it slide, starting from rest. Find the horizontal distance from the bottom (right-hand)

    asked by Amanda on November 15, 2014
  4. Physics

    Units count. Show all steps, not just the numerical substitutions. Show the equations you used. No information is missing. A person throws a ball upward into the air with an initial velocity of 15.0 m/s. Calculate the following: a.) how high it goes. b.)

    asked by Phil on September 26, 2011
  5. Physics

    Units count. Show all steps, not just the numerical substitutions. Show the equations you used. No information is missing. A person throws a ball upward into the air with an initial velocity of 15.0 m/s. Calculate the following: a.) how high it goes. b.)

    asked by Jane on September 26, 2011
  6. algebra

    im trying to help my son i have no ida about this stuff any help would be great When a ball is thrown up into the air, it makes the shape of a parabola. The equation S= -16t^2 + v*t + k gives the height of the ball at any time, t in seconds, where “v”

    asked by joni on January 12, 2010
  7. Social Studies (History)

    What were the materials to construct the transcontinental railroad? I already knew the railroad was mostly constructed by hand by thousands of workers, but i need help to find out what kind of materials they used to build and construct the railroad. Also,

    asked by Monica on September 28, 2013
  8. physics

    a person holds a 5 kg mass in his hand. the forearm is held 45 degrees below the horizonal. the biceps muscle isa attached 5cm from the elbow ad th eight is held 35 cm from the elbow. neglecting mass of the forearm find the tension in the bicep muscle.

    asked by cinthia on May 14, 2011
  9. English

    I have more than three smart phones. This smart phone service has been opened. However the other smart phones services have not been opened. They are juse second-hand smart phones. With the phones, I can take photos and make videos a lot. ==============

    asked by rfvv on March 2, 2016
  10. math

    If I give you $40 then the ratio of my money to yours is 4 : 5. On the other hand, if you give me $40, then the ratio is 8 : 1. How much money do both of us have? please show all steps

    asked by anonymous on March 5, 2017
  11. research methods grant writing

    The table labeled “Brooklyn Precinct Activity Measures” shows counts of different indicators from the June 1999 Compstat report. All data are totals for the period January 1, 1999, through June 20, 1999. Notice, in the key to this table, that some

    asked by james on October 28, 2014
  12. Statistics

    I'm stumped on this question. A teacher informs her history class that a test is very difficult, but the grades would be curved. Scores for the test are normally distributed with a mean of 25 and a standard deviation of 5. If the grades are curved

    asked by Norilyn on March 15, 2011
  13. English

    Could you please check these sentences, please? Thank you. 1) The thieves stole a lot of things but they didn't damage the house. (turn this sentence into the passive/this is part of a test: A lot of things was/were stolen by the thieves but the house

    asked by Matthew on March 14, 2012
  14. English

    As to my previous post, I thought I could use the infinitive with to if the action was perceived from the beginning to the end (I was seen to steal the watch/ Active: He saw me steal the watch). I'm finding it difficult to check these other sentences.

    asked by Henry2 on January 4, 2012
  15. biology

    im so confused with all of these okay so it tells me to do this table thing and the titles on the top are macromolecule,monomers, and function then it had beneath macro. carbohydrates, protein, lipids, and nucleic acids does anyone know how to explain this

    asked by alexus on September 11, 2011
  16. Math

    The circular surface of a table has a diameter of 7 ft. What will cost to have the top refinished if the company charges $6 per square foot for the refinishing? Use 3.14 for ƒàƒnand round your answer to the nearest cent.

    asked by Teri on March 23, 2008
  17. math

    suppose that your bank pays 10% interest, compounded semiannually. Use table 12-2 of your text to find how much should be deposited now to yield an annuity payment of $400 at the end of every six months, for 4 years.

    asked by Anonymous on November 1, 2016
  18. Math

    The following table gives the winning percentages of the top five coaches in NFL history. What fraction of his games has each coach won? Don Shula 0.676 George Halas 0.672

    asked by Jan on January 14, 2009
  19. Math 120

    The results of a certain medical test are normally distributed with a mean of 128 and a standard deviation of 19. ​(A score above 140 is considered​ unhealthy.) Use the given table to find the percentage of people with readings below 137.

    asked by Beth on April 21, 2017
  20. Math

    The results of a certain medical test are normally distributed with a mean of 130 and a standard deviation of 12. ​(A reading above 149 is considered​ unhealthy.) Use the given table to find the percentage of people with readings above 141.

    asked by Jessica on April 11, 2017
  21. algebra 1

    how do you find the rate of change and explain what it means for thhe situation? heres the table: Time(hours) Distance(miles) 4 260 6 390 8 520 10 650

    asked by alex on December 31, 2007
  22. Chemistry

    Use the data from this table of thermodynamic properties to calculate the maximum amount of work that can be obtained from the combustion of 1.00 moles of ethane, CH3CH3(g), at 25 °C and standard conditions. I absolutely have no idea what to do, please

    asked by Dee on April 30, 2013
  23. statistics

    Let x be a continuous random variable that is normally distributed with a mean of 24 and a standard deviation of 7. Find the probability that x assumes a value between 27.5 and 59.0. Use Table IV in Appendix C to compute the probabilities. Round your

    asked by Katie on April 18, 2011
  24. chem

    What is the pH of a solution of 120 ml 0.15M acetic acid to which we add 30mL 0.2M NaOH? I have a bit of a hard time with this question. I tried to get mols of each one and then use it in an ice table but didn't work. Can someone help? Thanks

    asked by Gulzaman on August 27, 2007
  25. Chemistry

    Which of the following is an example of a Homogeneous mixture? a. the hydrogen and oxygen atoms that make up water b. A typical soil sample c. a glass of orange juice d. a bottle of table vinegar I believe the answer is d

    asked by Jen on September 23, 2008
  26. physics

    A 170 N block rests on a table.The suspended mass has a weight of 52N. What is the magnitude of the minimum force of static friction required to hold both blocks at rest?

    asked by Briana on October 25, 2012
  27. Music

    How do i put graphic notation into a composition table ???????????? Thank you for using the Jiskha Homework Help Forum. Here is a site that even shows an example: http://www.upto11.net/generic_wiki.php?q=musical_notation

    asked by Angelica on February 26, 2007
  28. Statistics

    Using the information presented in the table in Exercise , calculate the following probabilities? Blood Alcohol Level of Victim A B C Age 0.00% 0.01-0.09% ¡Ý0.10% D 0-19 142 7 6 155 E 20-39 47 8 41 96 F 40-59 29 8 77 114 G 60 or over 47 7 35 89 265 30

    asked by Bryant on July 20, 2009
  29. the novel

    After having lived with her for a year, Chad studied Marilou's eyes across the table, realizing he had never had a clue about what make her tick." This sentence from a hypothetical novel suggests what kind of narrative voice?

    asked by Anonymous on December 12, 2008
  30. Chemistry

    Tc-99 is a radioactive isotope that decays by beta emission and is used by radiologists in the diagnosis of liver disease. Its decay behavior is shown by the activity-time table. What is its half-life?

    asked by Jennifer on December 10, 2011
  31. HCA/270

    Compute the worth of Arcadia Hospital in 2005 using rules of thumb, adjusted book value, and discounted cash flow valuation (for this final method, use the table provided)

    asked by Tawanna on June 26, 2009
  32. elementary and intermediate algebra

    how to write the equation for the following problem: The Post office charges extra for packages that must be processed by hand. Find an equation for the nonmachinable cost n in terms of the machinable cost m. 1 pound is $ 2.74( machinable cost,

    asked by alicia on September 27, 2012
  33. Math

    I need help with this problem. (Just imagine a small square with 5x-1 at the top of the square, 2x on the left side of the square and in the right hand corner of the square there is a box on the top is a 3 and on the left side is a 2.) You have to figure

    asked by Madeline on March 21, 2009
  34. Physics

    You throw a water balloon hoping to hit your sibling. You throw it at an angle of 21.0° at 5.50 m/s. It ends up leaving your hand at a height of 1.70 m above the ground. It completely misses your sibling and breaks on the ground. How far did the water

    asked by Caroline on September 25, 2016
  35. English

    Formative Test Now, let's check how well you can use the expressions you've learned. I will distribute handouts. You have to solve the problems. You will have 5 minutes. Are you finished? Then, I'll write down the answers. Look at the answers on the

    asked by rfvv on October 19, 2014
  36. English

    I have a few further doubts. Thank you very much for the help. 1) I sent her two emails last week, but he hasn't replied to any of them. (I think both the simple past and the past perfect are acceptable). 2) How long does it take him to drive to wrok? 3)

    asked by Matthew on April 17, 2012
  37. chemistry

    Radioactive waste is difficult to dispose of due to the long time periods needed before the radiation effectively disappears. The US protocol is to store the waste for 10 half-lives of the material after which the waste is no longer considered radioactive.

    asked by danny on February 14, 2015
  38. math

    1.The sample space for a roll of two number cubes is shown in the table. (1,1)|(1,2)|(1,3)|(1,4)|(1,5),(1,6) (2,1)|(2,2)|(2,3)|(2,4)|(2,5)|(2,6) (3,1)|(3,2)|(3,3)|(3,4)|(3,5)|(3,6) (4,1)|(4,2)|(4,3)|(4,4)|(4,5)|(4,6) (5,1)|(5,2)|(5,3)|(5,4)|(5,5)|(5,6)

    asked by mo on May 21, 2018
  39. language arts

    Please check my answers! Vibrant is MOST LIKELY to be used to describe a. an accident b. a color c. or an idea (I think it's b but I'm not sure) If on June 1, a father gives his son an allowance increase that is two months retroactive, then the son will a.

    asked by SoccerStar on May 10, 2012
  40. Algebra 1

    it was a question from my quiz, I never got the function. the coordinates in the table were x=0,1,2,3 y=2,8,32,128. I had to state what kind it was, ex: quadratic, linear etc. and what the function was ex: y=3+5 or something. Do you have any idea what it

    asked by Nash on April 17, 2012
  41. Physics

    7. In a meeting room, there are chairs, a table, and people. Which of these things has a temperature a) lower than, b) greater than, or c) equal to the temperature of the air?

    asked by Ruth on April 27, 2010
  42. Math

    Hey can you please explain Fibonacci numbers in the simplest way possible because I really don't get them. Like i know the sequence goes 1,1,2,3,5,8,13,21, etc...But we have to fill in a table by plugging the numbers 1-9 in using the equation Fn+1. Please

    asked by Jon on February 8, 2011
  43. statistics

    The below table shows the probabilities generated by rolling one die 50 times and noting the up face. What is the probability of getting an odd up face?

    asked by UG on November 8, 2011
  44. gen 105

    How Do You Create A Table That Lays Out A Day-by-day Plan To Use As A Job Aid For Employment Search, Spanning 3 Weeks?

    asked by mark on May 21, 2008
  45. math 3rd grade

    what is an arrary ? look for the answer in the back of your math book...there may be a glossary An array is a table of numbers. can you help me with my math homework on internet

    asked by angel on May 1, 2007
  46. communicatins

    Create a table that lays out a day-by-day plan to use as a job aid for your employment search, spanning 3 weeks.

    asked by com140 on February 20, 2009
  47. statistics- normal approximation

    find the normal approximation for the binomial probability that x=5, where n=12, and p=0.7. compare this probability to the value of p(x=5). * the only thing that i have come up with is that value of p(x=5) is o.29 when looking it up on the table. how

    asked by mary- where do i begin on October 27, 2010
  48. geophysical science

    if you walked 20m, took a book from a library table, turned around and walked back to your seat, what are the distance traveled and displacement?

    asked by kamsi on June 8, 2010
  49. chemistry 1046

    Solve an equilibrium problem (using an ICE table) to calculate the pH of each solution. a solution that is 0.266 M in CH3NH2 and 0.134 M in CH3NH3Br. Kb = 4.4e-4

    asked by Anonymous on July 3, 2012
  50. investing

    Lily invests $4,000, at 6% interest, compounded quarterly for 5 years. Calculate the compound interest for her investment by using Table 11-1.

    asked by Everett on July 6, 2014
  51. english

    create a table lays out day by day plan to use a job aid for your employment search,spanning 3 weeks.

    asked by rita on August 1, 2008
  52. English

    I have to write a job advert for the knights of the round table. what should I put in it and what location,sector,reference and job type should I say it is?

    asked by Anonymous on January 10, 2012
  53. Statistics

    A test for independence is applied to a contingency table with 3 rows and 5 columns for two nominal variables. The degrees of freedom for this test will be: A) 20 B) 12 C) 8 D) 15

    asked by Stuart on March 15, 2009
  54. physics

    a mass sits at rest on top of a table. which two forces are action-reaction pair forces and thus are equal and opposite?

    asked by sheida on March 31, 2019
  55. chemistry

    Does the basicity decreases as going down the column and right across the periodic table? How does the size of an element or electronegativity apply to strength of basicity and acidicity?

    asked by eng on March 23, 2010
  56. please check my answer

    please check my answer thanks :) four chairs at $22.00 each 1 table for $212 and umbrella for $85 What is the total of this bill if the sales tax is 6% $22 x 4 ----- 88 212 + 85 -------- 385 x 0.6 % -------------

    asked by keleb on January 7, 2008
  57. Statistics

    For a particular value, this table gives the percent of scores between the mean and the z-value of a normally distributed random variable. What percent of the total population is found between the mean and the z-score, assume z = 2.79

    asked by apryl on August 24, 2011
  58. Gen 105

    I need to know how to create a table that lays out a day-by-day plan to use as a job aid for an employment search, spanning 3 weeks

    asked by Tonda on May 13, 2008
  59. Physics

    I got 15.6 but it was wrong? Ace raised a 14.0-N physics book from a table 72 cm above the floor to a shelf, 2.20 m above the floor. What was the change in potential energy?

    asked by dan on May 10, 2012
  60. please check my answer

    please check my answer thanks :) four chairs at $22.00 each 1 table for $212 and umbrella for $85 What is the total of this bill if the sales tax is 6% $22 x 4 ----- 88 212 + 85 -------- 385 x 0.6 % -------------

    asked by keleb on January 7, 2008
  61. Physics

    A 1.2kg box on a table slides through a displacement of d is equals to 2m a frictional force fx =0.5N Wat is the initial speed of the box

    asked by Anonymous on March 7, 2013
  62. Calculus

    The function f is continuous on the interval [4, 15], with some of its values given in the table above. Estimate the average value of the function with a Trapezoidal Approximation, using the 4 intervals between those given points. x 4 9 11 14 15 f(x) -6

    asked by Jimmy on May 16, 2018
  63. Com 140

    I need help to create a table that lays out a day- by- day plan to use as a job aid for your employment search, spanning 3 weeks.

    asked by Priscilla Davis on January 13, 2010
  64. MacroEconomics

    A B C D E Automobile 0 2 4 6 8 Forklifts 30 27 21 12 0 If the economy characterized by this production table and curve were producing 3 auto and 20 forklifts, what could you conclude about its use of its available resources?

    asked by John on July 6, 2009
  65. math

    please help me im really confused i keep changing my answer and i have no clue what the answer is write a rule for the function represented by the table input (x) 0, 1, 2, 3, 4, output (y) 3, 6, 9, 12, 15,

    asked by depression on December 15, 2016
  66. itt

    Create a table that lays out a day-by-day plan to use as a job aid for your employment search, spanning 3 weeks.

    asked by orli on August 21, 2009
  67. please help! physics

    A block of mass m is pushed along a horizontal table by a force F= 70 N at an angle 55 degrees with the horizontal. The coefficient of kinetic friction is 0.3

    asked by Mike on October 20, 2014
  68. physics

    A 225 block of ice sits on a level table. a) identiy the forces that act on the block and determine their magnitudes.

    asked by katelyn on September 30, 2010
  69. Chemistry

    What is the general trend in the acidity of Period 3 oxides moving across the Periodic table from left to right? (Be sure to refer to the term acidity.)

    asked by Janet on November 27, 2012
  70. math 116

    suppose you want to add a sprinkler system, and the location of one section of the sprinkler line can be described by the equation y = - 1/2x - 4 complete the following table: x y ? -1 -2 ? ? -4 2 ? 8 ? my answers: x y 6 -1 -2 -3 12 -4 i still get 12 for x

    asked by Carmen on October 5, 2008
  71. physics

    a spring with a k=225 N/m is attached to a ball (m=1.00kg) on a horizontal frictionless table. The ball is pulled 15.0 cm to the right and then released: Find f

    asked by michael on January 25, 2015
  72. college

    create a table that lays out a day-to-day plan to use as a job aid for your employment search, spanning 3 weeks

    asked by Michele on October 9, 2009
  73. science

    If 156 grams table salt in 500 grams water without changing the temperature,will all solute particles dissolve?

    asked by Jamilyn on October 11, 2016
  74. math

    I need help urgently for unit 6 lesson 10. for the data in the table does y vary with x? If it does, write an equation for he direct variation. X Y 10 12 15 18 20 24 a. yes; y=1.2x** b. yes; y=2x c. yes; y=x+1 d. no; y does not vary directly with x.

    asked by purple_galaxy_girl18 on January 3, 2019
  75. math

    How would i do a table of values for this equation: y=1/2(3)^-2x starting from -5 to 5 i get these values: -0.2778, -0.2222, -0.1667, -0.1111, -0.0556, 0 etc... ami wrong?

    asked by rose on May 26, 2015
  76. science

    Mercury is a heavy metal. Using atomic models and the periodic table of elements, explain why it belongs to this category of elements

    asked by Matt on October 10, 2011
  77. math

    a lumberyard makes picnic tables for $87.00 and sells them for $127.89. what is the percent markupbon each picnic table based on cost?

    asked by jean on December 8, 2012
  78. Information Technology

    Please for at least one reason why spreadsheet may be preferred to a word processing table. What are similiarities and difference between page break and column break.

    asked by Juanita on March 6, 2014
  79. Science

    Angle of refractions! I need help finding angle of incidence in air(or water or glass) it is for one of my labs. It iOS in a data table though.

    asked by Martina on April 20, 2018
  80. physics

    calculate the acceleration if you push with a 20n horizontal force on a 3 kg block on a horizontal friction-free air table

    asked by Anonymous on October 2, 2011
  81. Math

    The top of a table is in the shape.of a regulations pentagon. The wood should measure 1 1/2 feet on each side. What is the perimeter of the piece of wood?

    asked by Anonymous on April 14, 2011
  82. math 116

    suppose you want to add a sprinkler system, and the location of one section of the sprinkler line can be described by the equation y = - 1/2x - 4 complete the following table: x y (x,y) ? -1 ? -2 ? ? ? -4 ? 2 ? ? 8 ? ? my answers: x y (x,y) -1.5 -1

    asked by Carmen on October 5, 2008
  83. chemistry HELP!

    Solve an equilibrium problem (using an ICE table) to calculate the pH of each solution: a solution that is 0.170 M in HC2H3O2 and 0.105 M in KC2H3O2

    asked by Lisa on December 15, 2010
  84. Math

    The cafeteria has 16 tables. Each table can seat 14 students. What is the greatest number of students that can be seated at one time? A.30 B.80 C.204 D.224 D?

    asked by Andrew on February 6, 2012
  85. math

    make a tally and a frequency table for the number of books read by students during the summer: 4, 5, 7, 2, 4, 5, 6, 7, 8, 4, 5, 3. how many students took part in this survey?

    asked by danny on August 27, 2012
  86. Statistics

    A test for independence is applied to a contingency table with 3 rows and 5 columns for two nominal variables. The degrees of freedom for this test will be

    asked by Joe on May 12, 2009
  87. physics

    a ball rolls off the table top 2m tall. with a velocity of 10m/s. with what speed will it strike the ground? A. 10m/s B. 6.3m/s C. 16.3m/s D. 11.8m/s E. 139m/s

    asked by Jacob on January 4, 2015
  88. math

    How would i do a table of values for this equation: y=1/2(3)^-2x starting from -5 to 5 i get these values: -0.2778, -0.2222, -0.1667, -0.1111, -0.0556, 0 etc... ami wrong?

    asked by rose on May 26, 2015
  89. Math

    Which set of output values correctly competes the function table. (y=2x-4) Input (x) 6 ? 2 ? -4 ? 1. 8,2,12. 2.8,0,12. 3.8,0,-12. 4.-8,0 12. Please give me step by step of how to solve this.

    asked by LOVE on February 19, 2016
  90. math

    r a particular value, this table gives the percent of scores between the mean and the z-value of a normally distributed random variable. What percent of the total population is found between the mean and the z-score, assume z = 2.57.

    asked by jacque on December 11, 2012
  91. English

    1. Why don't you go to the park together? - Because I am too tired. 2. Why don't we go to the park together? - Because I am too tired. 3. Why didn't you go to the park together? - Because I was too tired. 4. Why didn't we go to the park together? - Because

    asked by rfvv on September 25, 2014
  92. physics

    A girl and the bike she is riding have a combined mass of 73.7 kg and are initially at rest but then she tosses the jug of water in her hand the forward direction. If the jug has a speed of 3.0m/s relative to the ground and the girl and bike move in the

    asked by alyssa on September 15, 2014
  93. math

    John bought a new car for shilling 800,000. After 5 years, he sold it through a second-hand car dealer. The dealer charged a commission of 4% for the sale of the car. If John received shillings 480,000, calculate the annual rate of depreciation of the car.

    asked by John on March 7, 2015
  94. physics

    Anne throws a ball straight up releasing it from her hand with an initial speed of 20 m/s. The ball is at a height of 1.5 m above the ground when it is released. Determine the maximum height of the ball? Calculate the ball’s speed just before it hits the

    asked by bobby on August 26, 2012
  95. Physics

    A man doing push-ups pauses in the position shown in the figure . His mass = 68 kg. Determine the normal force exerted by the floor on each hand. Determine the normal force exerted by the floor on each foot.

    asked by Nicole on November 7, 2010
  96. Biology

    A woman who is a carrier for hemophilia marries a man who does not have hemophilia. What are the chances of them having a son or daughter with hemophilia? Show your work. I need help with this short-answer/essay/written problem. I think the answer to this

    asked by Anonymous on December 30, 2018
  97. algebra

    Library Assignment When a ball is thrown up into the air, it makes the shape of a parabola. The equation S= -16t^2 + v*t + k gives the height of the ball at any time, t in seconds, where “v” is the initial velocity (speed) in ft/sec and “k” is the

    asked by hilda on January 18, 2010
  98. Separation processes

    Hi, the question is: In an equilibrium diagram for a binary mixture, what does it mean for distillation if the relative volatility is low? a)Separation of the components is easy b)No separation of the components can be done c)There is no difference of ease

    asked by Murugan on March 12, 2015
  99. English

    Questionnaire a. Interest in English class b. Interest according to each skill c. The most difficult part among 4 skills d. Interest in the most important part among 4 skills e. Studying English after school f. Understanding in the classroom g. Study

    asked by John on June 2, 2008
  100. English

    Questionnaire a. Interest in English class b. Interest according to each skill c. The most difficult part among 4 skills d. Interest in the most important part among 4 skills e. Studying English after school f. Understanding in the classroom g. Study

    asked by John on June 2, 2008