1. Physics

    A sphere of radius R has inhomogeneous charge distribution on its surface. Its surface charge density is σ = σ0 cos θ, where σ0 is a positive constant, and θ is the angle from the “north pole” to the point of interest and satisfies 0 ≤ θ ≤

    asked by Erin on September 4, 2014
  2. statistics

    1. Which of the following statements are correct? a. A normal distribution is any distribution that is not unusual. (True/False) b. The graph of a normal distribution is bell-shaped. (True/False) c. If a population has a normal distribution, the mean and

    asked by ann on August 20, 2011
  3. mathematics

    If 3/4 of a class is absent and 2/3 of those present leave the room, what fraction of the original class remains in the room? my book says.. if 3/4 are absent, 1/4 are present hows that so? then it says if 2/3 of the 1/4 present , 1/3 of the 1/4 remain

    asked by chrissy on August 3, 2007
  4. Discount Note

    The September 2003 issue of money stated that intrest rates have climbed to 5.99% Nancy Martin, owner of Martins Textile Manfacturing, supplied Dolan Limited with clothing worth 7353.00 The terms of sale were 180 days and 5.4% intrest. Dolan Limited took

    asked by Scott on March 15, 2008
  5. Math check 4

    Find the y-intercepts for the function given by: f(x)= 4/(x+5)-1/(x-4)/2/(x-3)+3/(x+2) Math check - Damon, Sunday, October 12, 2008 at 5:56pm The y axis intercepts are the values of the function when x = 0 4/5 - [(1/-4)] / [(2/-3)] + 3/2 Math check -

    asked by shawn on October 12, 2008
  6. Precalc

    Identify the graph of the equation. What is the angle of rotation for the equation? y^2+8x=0 is parabola 90 degrees correct? also Identify the graph of the equation. What is the angle of rotation for the equation? xy = -5 =hyperbola 45 degrees

    asked by Sara on August 21, 2011
  7. math

    hey i asked for help with accounting with a question i saw the same question at this site but when i click it it doesnt work is there anyway you can check it for me then what they posted there you can copy and post it here for me).my question was Tracy

    asked by gary on January 14, 2010
  8. medical law and ethics

    Complete the following 2 exercises 1. Prepare a bank deposit detail for a $2230.00 deposit. Use the information in questions A-D. Record your answers to the deposit slip provided. NOTE: The bank deposit slip is setup for you to manually type the necessary

    asked by Tracye on December 21, 2013
  9. math, algebra

    can someone correct this for me... Problem : Business and finance. Linda Williams has just begun a nursery business and seeks your advice. She has limited funds to spend and wants to stock two kinds of fruit-bearing plants. She lives in the northeastern

    asked by jasmine20 on December 29, 2006
  10. Calculus 1

    Let f be the function given by f(x)=3sqrt(x-2). A) On the axes provided sketch graph of f and shade the region R enclosed by the graph f, the x-axis, and the vertical line x=8 (already completed just mentioned it for part B.) B) Find area of the region R

    asked by Michael on April 28, 2011
  11. Algebra

    10. Solve each radical expression. Check your solution. 1=√(-2v-3) 11. Solve each radical expression. Check your solution. √(n+5)= √(5n-11) 12. Tell which solutions, if any, are extraneous for each question. √(12-n)=n; n= -4,n=3

    asked by Anonymous on May 3, 2016
  12. English

    1. You can check prices for bicycles on the Internet. 2. You can check prices about bicycles on the Internet. (What is the meaning of 'for' in Sentence 1? Does 'for' mean 'about'? Are both sentences the same in meaning? Can we substitute 'about' for

    asked by rfvv on April 16, 2016
  13. Math 6

    Can someone check my answer? Q:r. Harry rides his bike 25 3/8 miles. Karen rides her bike 25 2/8 miles. Who rides farther? A:Karen rode farther. This is because 3/8 is about 37/100 and 2/5 is 40/100. Since both fractions have 25 as a mixed number for them,

    asked by Lucy♥ on January 19, 2018
  14. trig question

    During a 12- hour period, the tides in one area of the Bay of Fundy causes the water level to rise to 6 m above the average sea level and to fall 6 m below average sea level. The depth of the water at low tide is 2m as measured against a pier. Suppose the

    asked by Mhy on May 10, 2011
  15. statistics

    Using the 68-95-99.7 rule: Assume that a set of test scores is normally distributed with a mean of 100 and a standard deviation of 20. Use the 68-95-99.7 rule to find the following quantities: Suggest you make a drawing and label first… a. Percentage of

    asked by sweet on August 16, 2010
  16. statistics

    Using the 68-95-99.7 rule: Assume that a set of test scores is normally distributed with a mean of 100 and a standard deviation of 20. Use the 68-95-99.7 rule to find the following quantities: Suggest you make a drawing and label first… a. Percentage of

    asked by Trish on July 25, 2010
  17. stats

    Using the 68-95-99.7 rule: Assume that a set of test scores is normally distributed with a mean of 100 and a standard deviation of 20. Use the 68-95-99.7 rule to find the following quantities: Suggest you make a drawing and label first… a. Percentage of

    asked by Jenn on September 21, 2010
  18. Physics

    Two particles of mass 5 g and 10 g respectively are joined by a light string which passes through a small hole on a smooth table. The smaller particle describes a circle of radius R on the table at a rate of 4 revolutions per second while the heavier

    asked by an on October 14, 2015
  19. Art

    Can you please check these sentences, Writeacher? Thank you very much. 1) “I have been to Greece twice," he said. (He said that he had been to Greece twice) 2) It was the first time I had spent my vacation without my parents. Mary had done all the

    asked by John on May 17, 2012
  20. College Physics

    Consider a rock thrown off a bridge of height 78.5 m at an angle è = 25° with respect to the horizontal as shown in Figure P4.20. The initial speed of the rock is 15.6 m/s. Find the following quantities: (a) the maximum height reached by the rock (b) the

    asked by HELP on September 12, 2011
  21. physics

    A planet orbits its star in a circular orbit (uniform circular motion) of radius 1.62x10^11 m. The orbital period of the planet around its star is 37.0 years. Determine the following quantities for this orbital motion: Angular acceleration , Tangential

    asked by sand on November 15, 2011
  22. physics

    A planet orbits its star in a circular orbit (uniform circular motion) of radius 1.62x10^11 m. The orbital period of the planet around its star is 37.0 years. Determine the following quantities for this orbital motion: Angular acceleration , Tangential

    asked by sand on November 15, 2011
  23. physics

    A planet orbits its star in a circular orbit (uniform circular motion) of radius 1.62x10^11 m. The orbital period of the planet around its star is 37.0 years. Determine the following quantities for this orbital motion: Angular acceleration , Tangential

    asked by sand on November 13, 2011
  24. physics

    A planet orbits its star in a circular orbit (uniform circular motion) of radius 1.62x10^11 m. The orbital period of the planet around its star is 37.0 years. Determine the following quantities for this orbital motion: Angular acceleration , Tangential

    asked by sand on November 14, 2011
  25. physics

    A planet orbits its star in a circular orbit (uniform circular motion) of radius 1.62x10^11 m. The orbital period of the planet around its star is 37.0 years. Determine the following quantities for this orbital motion: Angular acceleration , Tangential

    asked by sand on November 14, 2011
  26. Mathematics in Economy

    A firm produces two different kinds A and B of a commodity. The daily cost of producing x units of A and y units of B is C(x,y) = 0.04x2 + 0.01xy + 0.01y2 +4x + 2y +500 Suppose that firm sells all its output at a price per unit of 15 for A and 9 for B.

    asked by Elizabeth on January 18, 2010
  27. math

    Two cell phone companies have different rate plans.Runfast has monthly charges $25 plus $10 per gig of data.B A&D’s monthly charge is $18 plus 15 per gig of data. Your task is to determine under what circumstances each company has the better pricing. You

    asked by abstract on April 22, 2016
  28. Physics

    A person, standing on a vertical cliff a height h above a lake, wants to jump into the lake but notices a rock just at the surface level with its furthest edge a distance s from the bottom of the cliff. The person realizes that with a running start it will

    asked by ss01 on September 23, 2013
  29. chem.

    Hey this is my question: At a temperature of 300°C and a pressure of 40.5 MPa, 90.0 mol of H2(g) and 80.0 mol of N2(g) are injected into a reaction vessel. When equilibrium is established, 37.0 mol of NH3(g) are present. The number of moles of H2(g)

    asked by yo! on June 18, 2006
  30. College Algebra

    Troy and Lisa were shopping for school supplies. Each purcahsed different quantities of the same notebook and thumb drive. Troy bought five notebooks and four thumb drives for $83. Lisa bought six notebooks and six thumb drives for $120. Find the cost of

    asked by Anonymous on September 20, 2017
  31. Calculus

    In a chemical reaction, substance A combines with substance B to form subtance Y. At the start of the reaction, the quantity of A present is a grams, and the quantity of B present is b grams. Assume a is less than b. At time t seconds after the start of

    asked by Katrina on April 10, 2011
  32. Calculus

    In a chemical reaction, substance A combines with substance B to form subtance Y. At the start of the reaction, the quantity of A present is a grams, and the quantity of B present is b grams. Assume a is less than b. At time t seconds after the start of

    asked by Katrina on April 10, 2011
  33. Calculus

    In a chemical reaction, substance A combines with substance B to form subtance Y. At the start of the reaction, the quantity of A present is a grams, and the quantity of B present is b grams. Assume a is less than b. At time t seconds after the start of

    asked by Katrina on April 10, 2011
  34. English

    I still have some doubts and a few sentences to check I can't understand. Can you help me? 1) How was Elizabethan theatre structured? 2) Do you say "correcting fluid" or corrector fluid? 3) Student's card OR student card. I also need to check these

    asked by Henry2 on October 5, 2011
  35. Accounting: Lock Box System

    What minimum reduction in the time to collect and process each check is needed to justify use of the lock box system? If 400 payments per day, 2,000 average payment size, Bank charge $.40 per check and interest rate is .015 per day. The answer depends on

    asked by Lola on October 10, 2006
  36. physics

    A motor drives a rope drum of 820 mm diameter, which in turn drags a component of mass 650 kg, 175 m up a slope that makes an angle of 8 degrees to the horizontal. the component starts from rest and uniformly reaches a velocity of 5.3 m/s on completion of

    asked by James on June 7, 2012
  37. Maths

    1) Factorise x2 -6x +8 (the 2 is squared) 2) Hence solve this equation: x2 -6x +8 = 0 Also, what would the line look like on a graph with the equation y = 10/x Thankyou =) 1) x^2 - 6x + 8 factors are: (x - 2)(x - 4) -->look for possible factors of 8 and

    asked by Amy on January 8, 2007
  38. Math

    A car is traveling south at a speed of 68 mi/h from Dallas toward San Antonio. Dallas is about 272 miles north of San Antonio. A truck is traveling north from San Antonio to Dallas at a speed of 71 mi/h. When and where will they pass each other? 1. Create

    asked by Suchi on November 14, 2011
  39. Math Max min problems

    The power P delivered to a load by a current of i amperes through a resistance of 19 ohms, when 110 volts are supplied at one end of the line, is given by the formula P = 110i - 19i2 . Determine the maximum power that can be delivered. maximum power in

    asked by Ashley on January 29, 2013
  40. physics

    Equivalent forces derivation problem. EXAMPLE: Derive the formula for F3 in terms of the experimentally measured quantities m1, m2, 1, and 2. [Answer: F3=m1gcos1+m2gcos2.] Make sure you understand how this formula was derived. QUESTION: If the mass of both

    asked by Judy on February 2, 2010
  41. Accounting

    Jay Pembroke started a business. During the first month (April 20--), the following transactions occurred. Invested cash in business, $18,428. Bought office supplies for $4,433: $1,896 in cash and $2,537 on account. Paid one-year insurance premium, $1,003.

    asked by Patrick on January 22, 2015
  42. Calculus Please Check my answers

    Which of the following functions grows the fastest as x grows without bound? f(x)=x^2 g(x)=x^2+5x

    asked by Ke$ha on May 22, 2017
  43. math

    let line A be the graph of the equation x+7y = 3 and let line B be given by the equation 2x + 15y = 6. Use an augmented matrix to determine if the two lines meet and if so at which point. Graph the two lines and indicate their meeting point if it exists.

    asked by Lisa on July 1, 2017
  44. Math

    Write an equation showing how much each of you would spend, s, if you evenly split the cost of the combined order. The cost of the combined order was 16.84 dollars. So would the equation be s= 16.84 divided by 2?

    asked by Jerald on February 15, 2013
  45. English

    And, perhaps, the "yee hah!" of the odd overexcited rider. --------------------------------- What is the meaning of 'yee hah.' Hah (or Ha) is an interjection showing surprise of joy. Then what about 'yee'? Do people use 'yee hah'?

    asked by rfvv on August 24, 2017
  46. CIS 105

    Here is the assignment: Use information and data obtained from at least four reliable internet sources to produce a 12- to 15-slide PowerPoint® presentation about multimedia tools that aid classroom instruction. Include details about how each might

    asked by Kiana on September 21, 2010
  47. Algebra

    1. How many real solutions does the function shown on the graph have? The graph is following the function: y=(x+2)^2 A. No real solutions B. One real solution** My answer C. Two real solutions D. Cannot be determined 2. What is the solution to 3x^2+3x+5=0?

    asked by Mitch n' Joey on October 25, 2017
  48. socials

    for other event in 1960 i draw a missile for cuban missile crisis. and for caption i write beside it that U.S planes took photographs showing that USSR was installing offensive nuclear missile in Cuba. Or I write beside that Khrushchev agreed to take out

    asked by Mohammad on December 6, 2011
  49. physics

    A tennis player moves back and forth along the baseline while waiting for her opponent to serve, producing the position-versus-time graph shown in the figure. (The vertical axis is marked in increments of 1 m and the horizontal axis is marked in increments

    asked by Anonymous on October 3, 2012
  50. 8th grade algebra

    We did graphing reflections of images homework from the book with problems that gave the vertices for each figure and said either reflect over x or y. This time, the homework is a worksheet and directions are to graph the reflection across either x or y

    asked by Alexis on September 16, 2015
  51. Physics

    I have a few questions to answer and I don't know how to start answering them. 1. On a position time graph, compare the instantaneous velocities of an object when the tangent to the curve slopes upward to the right, when the tangent slopes downward to the

    asked by Sups on February 4, 2011
  52. ART

    This art piece was created primarily to? Express political views by representing historic figures in a political setting. Create a utilitarian tool for instruction on anatomy. Express moods and feelings through use of color. Record cultural and historic

    asked by LOVE on August 31, 2016
  53. Additional mathematic

    Thinking maps are visual learning tools. Each map is based on fundamental thinking process, such as a quantity, sequencing, classifying, comparing and contrasting, and can be used together as a set of tools for showing relationships. Create at least one

    asked by Yee Leng on June 10, 2015
  54. Physics

    The Effect of Temperature on Gas Behavior Procedure 1. Chose any gas from the list box. Gas, Temperature (K), Most Probable Particle Speed (m/s), Average Particle Speed (m/s) 2. Set temperature to any value. Observe the shape of the frequency distribution

    asked by Alfrieda on July 19, 2012
  55. Computer Science

    Write a program to compute an employee’s weekly pay and produce a pay slip showing name, gross pay (i.e. pay before deductions), deductions, and net pay (i.e., pay after deductions).

    asked by Christopher on October 18, 2014
  56. physics

    A body at rest is given an initial uniform acceleration of 8m/s2 for 30s after which the acceleration is reduced to 5m/s2 for the next twenty seconds. The body maintains the speed attained for 60s, after which it is brought to rest in 20s. 1. Draw the

    asked by jane on August 28, 2011
  57. Math

    Could someone please answer these questions for me. It is for a grade and due on Tuesday, 4/24/07. The license fee for a car varies directly with the value of the car. The fee for a car that is valued at $19,500 is $292.50. a) What is the constant of

    asked by Merl on April 22, 2007
  58. Physics

    A boy is cycling at a constant speed along a straight road to his school. The postions of the boy after fixed time intervals are observed. a. What type of position-time graph can be expected for the motion of the bicycle? b. How can the average velocity of

    asked by Jon on April 15, 2008
  59. MATH STUCK:-(

    I am having some difficulties factoring polynomials and I use only one method to figure the stuff out, which is the guess and check method because it's just mental math work and not that complicating. Here is a question that I know how to do, and below it

    asked by Anonymous on November 16, 2010
  60. management decision making

    Analyze and compare both data sets using the data analysis and biases concepts from Chapter 11 of Sekaran & Bougie (2010). Compare only those categories that you find are significant to your analysis in demonstrating whether the US demographics based

    asked by kathy on July 31, 2012
  61. calculus

    Find the linearization of the function below at x = π/3.? y=sin(x)/x Your answer should be a linear function of x where the coefficients are accurate to at least two decimal places. You can enter π in your answer as "pi" (without the quotes). I am not

    asked by Vick on October 14, 2010
  62. calculus

    Find the linearization of the function below at x = π/3.? y=sin(x)/x Your answer should be a linear function of x where the coefficients are accurate to at least two decimal places. You can enter π in your answer as "pi" (without the quotes). I am not

    asked by john on October 15, 2010
  63. English

    Can you please check these sentences? I'm really doubtful about them. Thank you. 1) Look at the timetable on the departure board to see if your flight is delayed or if it is on time. 2) Then go to the check-in desk of the company you are travelling with.

    asked by Henry1 on May 2, 2011
  64. algebra

    A marketing department estimates that demand for a product is given by P=100-0.0001x, where P is price per unit and X is number of units. The cost C of producing x units is given by C=350,000+25x And the profit P for producing x units is given by P=

    asked by Bex on December 6, 2015
  65. cal

    find the equation of a quadratic function whose graph is tangent at x=1 to the line whose slope8, tangent at x=-2 to solve the line with slope-4 and tangent to the line y=-8 find the equation of the tangent lines at x=1 and x=-2 graph the quadratic

    asked by erika on March 1, 2011
  66. dog behavior

    please check my answer thanks so much :) What is the suggested method of testing a dog for graduation requirements? A. Observe the dogs during classes and check off when they properly perform a command. B. Test the dogs privately during the class before

    asked by Maria on July 26, 2008
  67. algebra

    Can you explain this? An intercept of the quadratic graph is the same as the root of quadratic equation. You have to find out the discriminant. If the discriminant is positive, you have two roots which equals two intercepts. If it is zero, there is one

    asked by Anonymous on June 17, 2015
  68. programming java language

    For faster sorting of letters, the postal service encourages companies that send large volumes of mail to use bar code denoting the ZIP code (see figure below). Student XXXX PO Box 34689 Jeddah 21478 KSA There are full height frame bars on each side. The

    asked by JAZZY on November 24, 2010
  69. Algebra II

    f(x)= 1/(x+2) i have to graph this, can some one please help me!

    asked by HELP on July 4, 2011
  70. Math

    How to graph y= x+4

    asked by Sandra on September 14, 2009
  71. math

    how do you graph x>y -2 x+y>1 x

    asked by Sofia on September 17, 2009
  72. math

    how do u graph y=1/4x

    asked by scooby9132002 on October 5, 2009
  73. Algrbra II

    f(x)= x+5, if x>0 3, if x¡Ü0 and how would i graph this?

    asked by HELP on July 3, 2011
  74. Algebra

    how do you graph y=6

    asked by David on June 12, 2011
  75. Algebra 2

    Graph x^2+y^2=16

    asked by Mely on June 2, 2011
  76. math

    please help. i have to graph this 2y + 4 = x 4= -3x + 27

    asked by sklar on November 12, 2018
  77. Algebra

    How do you graph y=-1x

    asked by Beth on May 19, 2011
  78. algebra

    graph 4x-3y>=-12 graph -x+5y>=1

    asked by Anonymous on September 18, 2018
  79. Algebra II

    f(x)= 1/(x+2) i have to graph this, can some one please help me!

    asked by HELP on July 4, 2011
  80. algebra

    graph y=/x/-2

    asked by sierra on November 29, 2016
  81. Algebra

    How do i graph y=4-x THANKS!!!

    asked by Jakie on February 19, 2010
  82. math

    how do you graph f^-1

    asked by ashley on January 25, 2009
  83. Pre-Calculus 12

    how to graph y= (x^2-3x-10)/(x-2)

    asked by Ryan on June 7, 2017
  84. algebra

    How do I graph x

    asked by Janet on September 25, 2014
  85. algebra

    GRAPH .08.04.11

    asked by ROBBIE on October 11, 2011
  86. Math

    how do you graph, y=2/3x-2

    asked by Lose on March 15, 2011
  87. Math

    how would you graph: x=7

    asked by MeMi on March 16, 2011
  88. math

    how do you graph 3x-y=5?

    asked by anonymous on February 18, 2009
  89. math

    how do you graph 3x-y=5?

    asked by janel on February 18, 2009
  90. math

    how do you graph 3y-2x= -3 ?

    asked by XOXO on February 18, 2009
  91. math

    graph y=-x2-8x-17

    asked by g on March 22, 2011
  92. Math

    3x – 7y < –21 how would I graph this? Please help.

    asked by Timothy on December 13, 2012
  93. Math

    Need help with this: Graph f(x) = -√ x

    asked by mysterychicken on February 5, 2013
  94. 11th grade

    how do you graph y=-2?

    asked by keke on February 11, 2010
  95. Algebra

    Graph 4x + 3y =-3

    asked by Gena on August 10, 2014
  96. Algebra 1

    How do you graph y=1/2x+1 y=-3x+8

    asked by Rose on February 2, 2010
  97. Math

    How do I graph y=-3x

    asked by Anonymous on December 11, 2008
  98. Math

    How to Graph F(x)= -1 if x_-1

    asked by Sarah on December 18, 2008
  99. math

    how do you graph x^2+4x-1

    asked by kate on January 29, 2010
  100. algebra

    What does the graph of y=2x^2 look like?

    asked by Anonymous on December 29, 2008