1. MATHS

    In a class of 30 learners,17 play football,15 play vollyball,12 play rugby.9 learners play vollyball only and 3 play rugby only.If all learners play at least one of the three sports.Use a venn diagram to find the number of learners who pray only vollyball

    asked by Danny on February 17, 2016
  2. english 101

    is this sentence correct, find the best choice?This door to remain unlocked when occupied. -1-is correct. -2-this door to remain unlocked while open. 3-this office must have the door at all the time. 4-this door to remain unlocked while open. my answer is

    asked by engl1301 on February 16, 2017
  3. Algebra

    A plane traveled 400 miles to Rome and back. The trip there was with the wind. It took 5 hours. The trip back was into the wind. The trip back took 10 hours. - Find the speed of the plane in still air and the speed of the wind.

    asked by Willow on August 11, 2016
  4. chemistry

    I have to find delta G from a problem. Not the standard free energy, from the change in engery. So this delta G does not have the degree sign above. The equation i used was deltaG=standard G+RTlnQ If deltaG was a positve number, what does that tell me. I

    asked by Anonymous on March 1, 2009
  5. English

    Hello If you had a topic "Murphy s law" and you had to work on it in the classroom for 90 minutes, what would you do? I have a text on Murphy s law, I thought to teach the children time clauses. My idea: work on the text for 45 minutes and then introduce

    asked by Mark on February 5, 2012
  6. intro to probability

    For the sheet-metal stamping machine in a certain factory, the time between failures, X1 has a mean between the failures, of 56 hours and a variance of 16 hours. The prepair time X2, has a mean time to repair of 5 hours and a variance of 4 hours. a) If X1

    asked by amelie on April 20, 2008
  7. Jobs(9th)

    We are finding out what people do for their jobs. My job I got was an Interior Designer and I have to find out more about it but I need help. Description and Duties: I put Plan,design,and furnish interiors of homes and buildings. Education and Training:I

    asked by Rezu on April 2, 2012
  8. @elena

    You helped me with this question earlier today, the answer you got was incorrect, i tried looking through your calculations but i cant find the mistake. the program wont let me see the right answer just tells the answer i put in was wrong. can you please

    asked by JOEY on April 22, 2012
  9. history

    Can someone please help me find a website that explains who the minorities were and what contribution did they and women make in World War I? These sites have some information: http://arcweb.sos.state.or.us/exhibits/war/intro/minority.html

    asked by Sarah on December 27, 2006
  10. Physics

    Problem 1 (80 points) Consider a spring of equilibrium length L, lying horizontally in a frictionless trough. The spring has cross sectional area S perpendicular to its length. The trough constrains the motion of the spring so that any wave propagating

    asked by Barb on January 29, 2014
  11. geometry

    given angle a is parallel to angle b and the measure of angle 7 is 94 find the measure of angle 10 and angle 9 someone please help me on this ! 😫

    asked by jennyyyy on October 24, 2015
  12. 8th Grade Algebra

    Musicians generate sound waves when they sing or play an instrument. The rate at which a sound wave vibrates determines the musical note, or pitch, that you hear. For example, The A note above a note called Middle C has a frequency of 440 vibrations per

    asked by Joy on October 26, 2008
  13. physics practical investigation

    design and conduct an investion to find out whether the amount of heat(gas) produced will depend on an increase on the concentration of Hcl when Hcl reacts with an excess zn..guidance/hint...you may investigate either the amount of heat produced or the

    asked by Jossie on March 25, 2013
  14. Instructions

    The teacher gave us a mini essay that has 16 questions under each chapter (Chapters 1-4, 4 questions per chapter). Her instructions are as follows: "Below you will find short-essay-type questions from each of the Unit 2 chapters. Please select and respond

    asked by Sarah on November 26, 2013
  15. Chemistry

    Ok, so in my gen chem 1 class, the teacher showed us that ethanol would not dissolve a sugar cube while water dissolves a sugar cube easily. No explanation was given, she just told us we would find out in gen chem 2. Here i am in gen chem 2, and the same

    asked by Kevin on August 31, 2011
  16. music

    I have to write a report for school on the topic of film music. I want to show my class mates how different you feel when you see a movie scene with two different musics. So I was looking for two versions of a scene of any movie. One version should be with

    asked by Kelly on January 26, 2008
  17. calculus

    They're actaully 2 question :D 1.find the rate of change of the distance between the orgin and a moving point on the graph of y=x^2+1 if dx/dt=2 centimeters per second when x=1. 2.A triangular trough is 12 feet long and 3 feet across the top. it ends are

    asked by Yoona on November 30, 2011
  18. Paul Martin

    Who knows what website I can go to for some baby pictures of Paul Martin? It is for my social studies project. Thankz:P I did an internet check and found only pictures of the Prime Minister as an adult. I suggest you try finding a biography in your

    asked by Nicholas on December 15, 2006
  19. math

    I have 1 question I just can't seem to solve:A rabbit and a tortoise started walking from the same place at the same time. The rabbit walked to the east for 3 hours at a speed of 20m/h and took a rest for 1 hour. Then it walked to the west for 2 hours at a

    asked by Howler on November 23, 2011
  20. Chemistry

    #16 A gas occupies 7 L at 71.8 kPa & 30°C. Find its volume at 273K and 101.325 kPa. Show your work using the combined gas law. #17 In the winter, bodies of water tend to not freeze solid. This allows fish and other aquatic life to survive below the

    asked by Vance on April 7, 2019
  21. Math

    Rational numbers are fractions and their opposites. All of these numbers are rational numbers. Show that they are rational by writing them in the form a/b or -a/b. 0.2-1/5 -√4 0.333-333/1000 √100 -1.000001 √1/9 All rational numbers have decimal

    asked by Kendall on April 24, 2018
  22. Calculus-Math

    The cost of producing x units of a product is C = 60x + 1350. For one week management determined the number of units produced at the end of t hours during an eight-hour shift. The average values of x for the week are shown in the table. t 0 1 2 3 4 5 6 7 8

    asked by Lorine on August 11, 2014
  23. algebra

    1)Identify the y-intercept and the axis of symemetry for the graph of f(x)=-3x^2+6x+12. answer=12:x=1 2)Determine whether f(x)=-5x^2-10x+6 has a maximum or minimum value and find that value. answer=maximum -1 3)Solve x^2=4x by graphing and indicate the

    asked by Marissa on August 14, 2007
  24. physics

    Consult Interactive Solution 2.22 before beginning this problem. A car is traveling along a straight road at a velocity of +38.8 m/s when its engine cuts out. For the next 2.01 seconds, the car slows down, and its average acceleration is . For the next

    asked by trish on December 16, 2015
  25. mathematics

    The circle x2-2x+y2-4y-4=0 lies on the cartesian plane,question 2.1.1 equation of new circle which is the rotation of original circle through 180 degree around the origin...2.1.2 find equation of another circle which is the translation (x;y)-(x-8;y-6) of

    asked by Jossie on March 21, 2013
  26. mathematics

    The circle x2-2x+y2-4y-4=0 lies on the cartesian plane,question 2.1.1 equation of new circle which is the rotation of original circle through 180 degree around the origin...2.1.2 find equation of another circle which is the translation (x;y)-(x-8;y-6) of

    asked by Jossie on March 21, 2013
  27. mathematics

    The circle x2-2x+y2-4y-4=0 lies on the cartesian plane,question 2.1.1 equation of new circle which is the rotation of original circle through 180 degree around the origin...2.1.2 find equation of another circle which is the translation (x;y)-(x-8;y-6) of

    asked by Jossie on March 21, 2013
  28. math please help

    The speed of a passenger train is 8 mph faster than the speed of a freight train. The passenger train travels 310 miles in the same time it takes the freight train to travel 270 miles. Find the speed of each train. What is the speed of passenger​ train?

    asked by madison on October 24, 2016
  29. math

    A rectangle has a width of 15 inches and a diagonal of 17 inches. Find the length of the rectangle in inches. 15^2 + b^2 = 17^2 225 = b^2 = 289 0 + b^2 = 289 – 225 B^2 = 64 B = SQRT of 64 = 8 The length of the rectangle in inches equals 8 inches.

    asked by David on June 8, 2016
  30. Math

    Four coins fall onto the floor. Find the probability that (a) exactly three coins land heads up (b) all coins land tails up (c) two or more coins land heads up (d) no more than two coins land tails up (e) at least one coin lands tails up

    asked by Shelagh on June 18, 2014
  31. chemistry

    N2(g) + 3 F2(g) → 2 NF3(g) ΔH° = –264 kJ/mol ΔS° = –278 J/(mol∙K) a. Using the information provided above (only), calculate the maximum amount of non-PΔV work that can be accomplished through this reaction at a temperature of 500°C. b.

    asked by chamy on April 21, 2012
  32. calculus

    A candy company needs a custom box for their truffles. The box they've chose is in the shape of a cylinder with a hemisphere of the same radius on top. The total volume of the box is V= (1/2) ((4pir^2)/(3))+ pir^2 (y-r), where y is the height of the box

    asked by Equihua on January 4, 2013
  33. physics

    a 10.0 cm cylindrical chamber has a 5.0cm diameter piston attached to one end. The piston is connected to an ideal spring with a spring constant of 10.0N/cm. Initially, the spring is not compressed but is latched in place so that it cannot move. When the

    asked by Jenny on November 22, 2012
  34. Please physics help

    A 0.0124-kg bullet is fired straight up at a falling wooden block that has a mass of 3.96 kg. The bullet has a speed of 756 m/s when it strikes the block. The block originally was dropped from rest from the top of a building and had been falling for a time

    asked by Sanz on October 20, 2014
  35. Physics

    A 0.0124-kg bullet is fired straight up at a falling wooden block that has a mass of 3.96 kg. The bullet has a speed of 756 m/s when it strikes the block. The block originally was dropped from rest from the top of a building and had been falling for a time

    asked by Sanz on October 20, 2014
  36. Physics

    An engineer has an odd-shaped 11.4 kg object and needs to find its rotational inertia about an axis through its center of mass. The object is supported on a wire stretched along the desired axis. The wire has a torsion constant κ = 0.428 N·m. If this

    asked by Brent on May 16, 2012
  37. maths

    Three pipes can fill a water tank constantly.The time taken for the first two pipes working simultaneously to fill the tank is equivalent to time taken by the third pipe to fill it alone.If the second pipe fills the tank in 10 hours faster than the first

    asked by ammu on January 10, 2016
  38. Pre-Cal

    Find sin 2x, cos 2x, and tan 2x from the given information. [1]. sin x = 8/17, x in Quadrant I 1). sin 2x =________. 2). cos 2x =________. 3). tan 2x =________. [2]. sin x = -5/13, x in Quadrant III 1). sin 2x =________. 2). cos 2x =________. 3). tan 2x

    asked by Amber on July 7, 2016
  39. algebra Please Help

    New question: A baseball was 2.74 feet above ground when it was hit. It reached a max. height of 116.3ft when it was approx 215.3 ft away from where he hit the ball. The ball lands after travelling a ground distance of approx 433.1 ft. Find an equation of

    asked by Jennifer on October 9, 2011
  40. Algebra

    A painting is 18 inches wide. It is placed inside a frame with a border that is x inches wide. The total width of the painting and the frame is 24 inches. Create an equation to model the situation, and then solve the equation to find the width of the

    asked by Fading on October 13, 2016
  41. Physics Problem

    Paleontologists estimate that if a Tyrannosaurus rex were to trip and fall, it would have experienced a force of approximately 260,000 N acting on its torso when it hit the ground. Question 1 Assuming the torso has a mass of 3800 kg , find the magnitude of

    asked by Cayla on September 23, 2009
  42. Math

    1. Hannah drew a pattern using only equilateral triangles. Which of the following statements about the angles is an equilateral triangle is true? A. The measurement of each angle is 60 degrees** B. The measurement of each angle is 120 degrees C. The

    asked by Megan on February 25, 2016
  43. college algebra

    A magazine company had a profit of $98,000 per year when it had 32,000 subscribers. When it obtained 35,000 subscribers, it had a profit of $117,500. Assume that the profit P is a linear function of the number of subscribers s. a.) Find the function P b.)

    asked by Melissa on February 28, 2012
  44. college algebra

    A magazine company had a profit of $98,000 per year when it had 32,000 subscribers. When it obtained 35,000 subscribers, it had a profit of $117,500. Assume that the profit P is a linear function of the number of subscribers s. a.) Find the function P b.)

    asked by Anonymous on February 28, 2012
  45. math

    A lawyer drives from her home, located 6 miles east and 10 miles north of the town courthouse, to her office, located 4 miles west and 14 miles south of the courthouse. Find the distance between the lawyer's home and her office. I know the answer is 26

    asked by Carly on July 19, 2016
  46. Math

    The number of boys in a class is 10 less than twice the number of girls. Find the total number of the students in the class, if the number of boys is 5 more than the number of girls.

    asked by Ana on June 13, 2017
  47. Math

    The number of boys in a class is 10 less than twice the number of girls. Find the total number of the students in the class, if the number of boys is 5 more than the number of girls.

    asked by Saba on June 13, 2017
  48. Math

    the first aircraft has 47 more seats than the second aircraft. the third aircraft has 54 fewer seats than the second aircraft. if their total number of seats is 401, find the number of seats for each aircraft.

    asked by Anonymous on January 27, 2014
  49. Math

    In a trapezium ABCD,ABperpendicular DC.if angle A=4x degree,angle B=(6x+10degree),angle C=(3x-10degree) & angle D=5x degree.find each angle of trapezium.

    asked by Simran kaur on September 9, 2012
  50. Math

    In a trapezium ABCD,ABperpendicular DC.if angle A=4x degree,angle B=(6x+10degree),angle C=(3x-10degree) & angle D=5x degree.find each angle of trapezium.

    asked by Simran kaur on September 12, 2012
  51. critical thinking

    1 Identify the principal issue presented by the source. 2 Identify any examples of bias presented by the author. If none exist, explain how you determined this. 3 Identify any areas that are vague or ambiguous. If none exist, explain how you determined

    asked by debra on September 14, 2008
  52. maths

    The angle of elevation and angle of depression of the top and base of a mobile tower from a mobile handset are 60 degree and 30 degree respectively. If the distances of the top and the base of the tower from the mobile handset are 15m and 8m respectively,

    asked by keya on December 11, 2015
  53. math

    help please find the greatest common factor of 385 and 1365. 385=5x7x11 1365=3x5x7x13 now which factors do you see common? 5x7 or 35 Here is what I had 385=5x7x11 1365=3x5x7x13 5x7=35 is this correct yes, exactly how I showed you thank you yes your math is

    asked by taylour on April 27, 2007
  54. maths (trigonometry)

    The angle of elevation and angle of depression of the top and base of a mobile tower from a mobile handset are 60 degree and 30 degree respectively. If the distances of the top and the base of the tower from the mobile handset are 15m and 8m respectively,

    asked by keya on December 11, 2015
  55. Physics

    A first order exponential decay can be written as A(t)= Ae^(-t/r) where A(t) is the amount (of substance) after time t, A is the initial amount at time t=0 and r is the decay time. The fall time is defined as the time in which A(t) falls from 90% to 10% of

    asked by Beth on October 11, 2008
  56. Math

    A restaurant has x number of tables that seat four people and 5 tables which seat two people. The restaurant can seat N number of people. Write a linear equation for N, number of people, in terms of x. Then, solve for x in terms of N and find x when N

    asked by Brigette on November 15, 2012
  57. differential calculus

    ANGLE OF ELEVATION A balloon rises at a rate of 4 meters per second from a point on the ground 50 meters from an observer.Find the rate of change of the angle of elevation of the balloon from the observer when the balloon is 50 meters above the ground.

    asked by =) on September 16, 2014
  58. math

    In a group of 12 chefs, all enjoy baking cakes and/or tarts. In fact, 7 enjoy baking cakes and 8 enjoy baking tarts. Find out how many chefs enjoy baking both cakes and tarts. Ans = 3, i'm having trouble figuring out how to get this answer. Any help is

    asked by Anonymous on October 21, 2018
  59. Chemistry

    for an assignment I'm writing, I'm trying to find the % efficiency of ethanol. We were given a chart that says ethanol's energy input (MJ/L) is 16.16 and its energy output is 23.58 % efficiency = energy output/energy input x100, so 23.57/16.16 x 100 I get

    asked by a Canadian on February 28, 2013
  60. maths

    the distance from you to the base of a tower on top of a hill is 2760 ft. the angle of elevation of the base is 26 degrees the angle of elevation of the top of the tower is 32 degrees.find the nearest foot the height of the tower above the top of the hill

    asked by adiba on May 13, 2018
  61. Analytical Chemistry

    I am trying to find moles of IO3 from Cu(IO3)2 10 ml and standardized sodium thiosulfate (Na2S2O3.5H20) .28 M. My calc is: 0.28 Moles Na2S2O3.5H20 * (2 moles of S2O3/1 mole Na2S2O3.5H20)* (2 moles of (IO3)/1 mole Cu(IO3)2= (1.12/.01 L) but that is why to

    asked by Max on October 11, 2010
  62. Maths - Algebra

    Boxes are made by cutting 8cm squares from the corners of sheets of cardboard and then folding. The sheets of cardboard are 6cm lnbger than they are wide. width of sheet= x length of sheet = x+6 length of finished box = (x-10) width of finished box =

    asked by Mike on November 12, 2011
  63. physics

    A thin nonconducting rod is bent to form a semi-circle of radius R. A charge Q is uniformly distributed along the upper half and a charge -Q is uniformly distributed along the lower half, as shown int he sketch at the right.find E vector at P, the center

    asked by peter on September 13, 2010
  64. math

    An economy car rented in Florida from XYZ Rental on a weekly basis costs $95 per week. Extra days cost $24 per day until the day rate exceeds the weekly rate, in which the weekly rate applies. Also, any part of the day used counts as a full day. Find t he

    asked by Denise on April 10, 2013
  65. Algebra

    Need help with these 2 please-- 19. Nancy invests $100 in one account for 10 years at a 9% interest rate compounded annually, and she invests $150 in an account for 10 years at a 6% interest rate compounded semi-annually. How much money will she have in

    asked by mysterychicken on June 14, 2010
  66. Physics

    By accident, a large plate is dropped and breaks into three pieces. The pieces fly apart parallel to the floor, with v1 = 2.75 m/s and v2 = 1.65 m/s. As the plate falls, its momentum has only a vertical component, and no component parallel to the floor.

    asked by Elizabeth on October 22, 2012
  67. Math

    For a certain shade of pink paint, the ratio of white paint to red paint is 5 to 2. Explain how to use the strip diagram shown below to find at least 6 different quantities of white and red paint that will be in the ratio 5 to 2 (and so will make the same

    asked by Ginny on March 29, 2019
  68. physics

    By accident, a large plate is dropped and breaks into three pieces. The pieces fly apart parallel to the floor, with v1 = 3.15 m/s and v2 = 1.50 m/s. As the plate falls, its momentum has only a vertical component, and no component parallel to the floor.

    asked by Natasha on March 13, 2012
  69. physics

    By accident, a large plate is dropped and breaks into three pieces. The pieces fly apart parallel to the floor, with v1 = 3.05 m/s and v2 = 1.95 m/s. As the plate falls, its momentum has only a vertical component, and no component parallel to the floor.

    asked by Tara on February 25, 2016
  70. Algebra

    Need help with these 2 please-- 19. Nancy invests $100 in one account for 10 years at a 9% interest rate compounded annually, and she invests $150 in an account for 10 years at a 6% interest rate compounded semi-annually. How much money will she have in

    asked by mysterychicken on June 14, 2010
  71. physics 2

    A thin nonconducting rod is bent to form a semi-circle of radius R. A charge Q is uniformly distributed along the upper half and a charge -Q is uniformly distributed along the lower half, as shown int he sketch at the right.find E vector at P, the center

    asked by peter on September 13, 2010
  72. Algebra 2

    The Pumpkin Patch Doll Company has detrmined that the profit the company makes on Pumpkin Patch Dolls if given by the equation y=3x2 + 720 x - 17800, where y is the profit measured in dollars and x is the number of Pumpkin Patch dolls. Find the number of

    asked by Carolyn on April 23, 2012
  73. geometry

    The height of triangle ACE is 12 and base AE=20. A rectangle is inscribed in triangle ACE as shown in the diagram a) express the rectangle's area as a function of x and y b)Use the fact that triangle ACE is similar to BCD to write y as a function of x.

    asked by jay on August 30, 2011
  74. Algebra

    Of two-car families in a small city, 88% remain two-car families in the following year and 12% become one-car families in the following year. Of one-car families, 72% remain one-car families and 28% become two-car families. Suppose these trends continue

    asked by Anju on November 14, 2013
  75. Help me!, Physics

    A 60g piece of ice at an intial temperature that is unknown is placed into a glass of 250g of water sitting at room temperature when it is 80 degrees F in the room. The glass and ice come up thermal equilibrium at 4 degrees Celsius. What is the original

    asked by Jazzy on January 15, 2013
  76. Physics

    1. A cylinder has a charge Q placed on it; the charge is distributed uniformly throughout the cylinder. If we examine the electric field E outside of the cylinder, which of the following is true? Assume that r represents the distance from the central axis

    asked by Mit on January 25, 2018
  77. physics

    a 5.0kg concrete block accelerates down a 34 degree slope at 4.2 m/s^2. Find the coefficient of friction between the block and the slope. The component of weight down the slope is mg*SinTheta. The component of weight perpendicular to the slope is mg

    asked by mclanee on September 13, 2006
  78. math

    Hi! Can anyone give me some tips on how i would determine the shape of a vessel from a graph of volume vs time? "a set volume of water is poured steadily into a vessel, the height at set volume intervals is recorded." "determine a possible vessel shape

    asked by bob on August 14, 2008
  79. physics

    Two cars approach an ice-covered intersection. One car, of mass 1.26 103 kg, is initially traveling north at 10.6 m/s. The other car, of mass 1.66 103 kg, is initially traveling east at 10.6 m/s. The cars reach the intersection at the same instant,

    asked by Anonymous on March 14, 2014
  80. Statistics

    An instructor for a college biology lab has each of her 12 students (you are one of those 12 students) take their own SRS of 25 plants from an experimental field. She lets you know that the heights (measured in cm) of the plants in the field follow a

    asked by BadatStat on July 11, 2012
  81. Algebra

    Word Problems: 1. A farmer has 2400 feet of fencing and wants to fence off a rectangular field that borders a straight river. If he needs no fence along the river, what are the dimensions of the field that he can fence with the largest area? Find the area

    asked by Piper on August 13, 2014
  82. Math...Geometry

    Hello, Can someone please tell me if I worked this out correct and ended with the right answer? Thank You... I need to find the area and Height of this right triangle ( only knowing the lengths of its sides)side 6,5,11... Is this correct? sides 6, 5, 11 --

    asked by Mandi on August 3, 2007
  83. College Algebra

    a hardware store owner chooses to enclose an 800 square foot rectangular area in front of her store so that one of the sides of the store will be used as one of the four sides of the fence. if the two sides that come out from the store front cost $3 per

    asked by Brianna on September 18, 2011
  84. math

    There are some red and blue marbles in a box. There are 3/5 as many red marbles as blue marbles. Find the ratio of the number of red marbles to the total number of marbles.

    asked by Real on June 14, 2017
  85. math

    Please help me on this calculus question. I am getting the wrong diff. equation and so my answers to the remaining parts are wrong. ---------------------- A thermometer reading 85 degress outside is brought into a room with a constant temperature of 72

    asked by Matt on September 29, 2009
  86. checking answers 4 algerbra

    1. simplify by removing the parenthses and collecting like terms. 83q - (39q-38)=44q+38? 2. solve for y---z=ym answer y=z/m? 3. divide if possible -6/"over" 17 divided by (-5/"over"17)=undefined? 4. translate to algerbirc expression the sum of c and n=

    asked by Nashea on November 8, 2009
  87. English

    Expand each sentence below by adding words or phrases that modify the verb. Questions after each item suggest details you can add. 1.A French girl found them. Who was with the girl? In what time period did she find them? 2.The news spread about the Lascaux

    asked by Julian on April 11, 2013
  88. statistics

    A soft drink distributor was interested in examining the relationship between the number of ads (x) for his product during prime time on a local television station and the number of sales per week (y) in 1000’s of cases. He compiled the figures for 20

    asked by Misty on September 25, 2012
  89. statistic

    A regulation hockey puck must weigh between 5.5 and 6 ounces. In an alternative manufacturing process the mean weight of pucks produced is 5.75 ounce. The weights of pucks have a normal distribution whose standard deviation can be decreased by increasingly

    asked by kuhel on March 16, 2016
  90. physics

    1. Two similar cylindrical polished bars weighing 5.00 N each lie next to one another in contact. A third similar bar is placed on the other two in the groove between them. Neglecting friction what horizontal force on each other is necessary to keep them

    asked by GG Khannam on June 18, 2014
  91. data analysis- math

    Question 1 Production Rates A manufacturing company wishes to find out whether the productivity of its workforce has increased now that they have a new machine. The factory examined the records for a random sample of 8 hours over the past month. The hourly

    asked by Tia on May 3, 2016
  92. Chemistry

    I don't understand how to work out this problem, non the less where to begin with any calculations. Help!! Three of the strongest lines in the He+ ion spectrum are observed at the following wavelength: (1) 121.57 nm (2) 164.12 nm (3) 468.90 nm Find the

    asked by Very Confused :( on November 18, 2010
  93. Data analysis

    Question 1 Production Rates A manufacturing company wishes to find out whether the productivity of its workforce has increased now that they have a new machine. The factory examined the records for a random sample of 8 hours over the past month. The hourly

    asked by Tia on May 2, 2016
  94. Data analysis

    Question 1 Production Rates A manufacturing company wishes to find out whether the productivity of its workforce has increased now that they have a new machine. The factory examined the records for a random sample of 8 hours over the past month. The hourly

    asked by Tia on May 3, 2016
  95. algebra

    Paula mixed 2 cups of sunflower seeds and 3 cups of raisins to make a snack for a hike. she figured that the mixture would provide her with 2900 calories of food energy. Find the number of Calories per cup of raisins if it is 400 less than the number of

    asked by john on October 15, 2008
  96. English

    I have to find a problem with this argument if there is one. Is there a problem with the argument? : Dr. Jack Kevorkian helped people that were terminally ill. He helped them by ending their suffering by ending their lives the way the patients wanted. The

    asked by Anonymous on June 7, 2018
  97. Physics

    ssm By accident, a large plate is dropped and breaks into three pieces. The pieces fly apart parallel to the floor, with v1 = 2.95 m/s and v2 = 1.70 m/s. As the plate falls, its momentum has only a vertical component, and no component parallel to the

    asked by Will on April 1, 2008
  98. Math

    What is the amount of sales tax owed on a $39 jacket if the tax rate is 5%? $1.85 $1.90 $(1.95) $195.00 A flower arrangement was marked down 12.5%. If the flowers originally cost $20, what is the amount of the discount? $2.40 $(2.50) $2.05 $17.50 Find the

    asked by Help I need somebody not just anybody on February 14, 2017
  99. Physics

    In Figure 10-20, the magnitude of the force necessary to stretch a spring is plotted against the distance the spring is stretched. Figure 10-20 (a) Calculate the slope of the graph, k, and show that F = kd, where k = 25 N/m. (b) Find the amount of work

    asked by Claire on October 25, 2011
  100. Physics

    A car takes up from west and accelerate uniformly at the rate of 4m/s square until it reaches a velocity of 10m/s. It then maintains this speed for 5secs and later decelerate at the rate of 2m/s square till it reaches its destination a) draw the velocity

    asked by Alif on July 23, 2016

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