George

Newest questions and responses by George
  1. math

    A boy 1.2m tall, stands 6m away from the foot of a vertical lamp pole 4.2m long if the lamp is at the tip of the pole calculate the length of the shadow of the boy cast by the lamp Angle of elevation of the lamp from the boy, correct to the nearest degree

    asked on February 21, 2019
  2. Geometry

    Point Q is the midpoint of PS. Which of the following completes the statement

    asked on January 30, 2019
  3. Math

    The bearing of x from y is 070 and the bearing of z from y is 160, where x, y, and z are three points in the plane .if y is equidistant from x and z, find the bearing of z from x

    asked on January 6, 2019
  4. math

    Solve the equation. 138 = n + 38

    asked on October 22, 2018
  5. Life Orientation

    FOUR things that could be considered to promote humane farming practices.

    asked on September 25, 2018
  6. math

    Find the exact area between y=lnx and y=ln(x^ 2 ) for 4≤x≤8 .

    asked on September 13, 2018
  7. accounting

    Prepare general journal entries to record the following transactions for the Harris Company. (The company uses the balance sheet approach for recording bad debts expense.) 2010 Dec. 31 Recorded Bad Debts Expense, $800 2011 Jan. 3 Wrote off Jal’s account

    asked on September 10, 2018
  8. Physics

    The average distance between Earth and the Sun is 1.5 ✕ 10^11 m. (a)Calculate the average speed of Earth in its orbit (assumed to be circular) in meters per second. (b)What is this speed in miles per hour?

    asked on August 28, 2018
  9. Chemistry

    What is the complete redox reaction of KMnO4 against (NH4)2Fe(SO4)2

    asked on July 22, 2018
  10. Math

    Find dy/dx x^2 + xy − y^3 = xy^2

    asked on June 27, 2018
  11. Math

    A deer population was measured to be 4000. Two years later , it was measured to be 4300. assume the population grows exponentially. A). Write an equation describe this situation. Find values of all constants. b) What will the population be four years after

    asked on June 17, 2018
  12. Math

    You invest $500 at an annual interest rate of 6.75% compounded continuously. How long will it take y our money to double?

    asked on May 24, 2018
  13. Math

    A man gets a job with a salary of 37300 dollars a year. He is promised a 2550 dollars raise each subsequent year. His total earning for a 7-year period is

    asked on May 15, 2018
  14. Math

    For the arithmetic sequence with given first term 4 and common difference 4: its nth term is __________ its 10-th term is ________

    asked on May 15, 2018
  15. science

    The orbital radii of four planets in our solar system are shown in the following table. Orbital Radii Planet Orbital Radii (AU) W 5.2 X 0.72 Y 1.0 Z 19.1 Which planet is likely to experience the highest temperature? W X Y Z I think it is B.x but I am not

    asked on May 10, 2018
  16. Math

    A=0,4 ,B=-2,0 Find the vector AB in ℝ2?

    asked on May 7, 2018
  17. Math

    The force on an object is F =−21j . For the vector v =4i −j , find: (a) The component of F parallel to v : (b) The component of F perpendicular to v :

    asked on May 7, 2018
  18. Math

    For what value of x are 16i-12j+4k and xi-(x-1)j+k parallel?

    asked on May 7, 2018
  19. Math

    The force on an object is F =−21j . For the vector v =4i −j , find: a) The component of F parallel to v : (b) The component of F perpendicular to v :

    asked on May 7, 2018
  20. Math

    a)A man swims northeast at 5mph. Give a vector representing his velocity b)He now swims a river the same velocity relative to still water; the river's current flows north at 1.2 mph. What is the velocity relative to the riverbed?

    asked on May 6, 2018
  21. Math

    Find all vectors v in 2 dimensions having ||v ||=5 where the i -component of v is 3i vectors:

    asked on May 6, 2018
  22. Math

    Find a unit vector u in the direction opposite of ⟨−3,−9,−9⟩.

    asked on May 6, 2018
  23. Math

    For what value(s) of t does the equality ⟨t^3−12t,0.25t^2+4⟩=⟨0,7⟩ hold true? t=

    asked on May 5, 2018
  24. Calculus

    Show that f(x) = x^3 and g(x) = 200x^3 grow at the same rate.

    asked on May 4, 2018
  25. math 11

    Michaela has up to $20 to spend on bottled water and orange juice for a group hike. It cost $2 for each bottle of water and $ 4 for each bottle pdf orange juice. write an inequality statement of this situation? 2x +4y< or equal to 20 Y < or equal to-1/2x

    asked on April 15, 2018
  26. math 11

    A pilot of a downed airplane fires the emergency flare into the sky. The path of the flare is modelled by the equation h=-0.096(d-25)^2 +60 where h is the height of the flare in meters when its horizontal distance from where it was propelled is d meters.

    asked on April 14, 2018
  27. math

    a)Find the time required to double the amount of an investment at an interest rate k, compounded continuously. b) Find the time required to double an investment at continuous rate of 6%.

    asked on April 12, 2018
  28. math

    Find the inverse Function? J(x)=2^x/(1+2^x)

    asked on April 12, 2018
  29. differential Equations

    laplace transform of f(t) = t sin (at) use integration by parts

    asked on March 29, 2018
  30. geometry

    These polygons are similar but not drawn to scale & Are the two triangles similar how do you know

    asked on March 19, 2018
  31. math

    Suppose Taylor win $18000 in a lottery. If she invests half in a CD earning 4.2 % annual interest compounded quarterly and the rest in saving account earning 3.7% annual interest compounded monthly . How much money does she have after 10 years

    asked on March 15, 2018
  32. math

    You place $11,000 in an account. You hope to have $23,000 in the account after 15 years. What effective annual yield is needed to accomplish this?

    asked on March 15, 2018
  33. math

    The population of a colony of rabbits grows exponentially. The colony begins with 5 rabbits; 5 years later there are 310 rabbits. (a) Express the population of the colony of rabbits, P , as a function of time, t , in years. (b) Use the graph to estimate

    asked on March 13, 2018
  34. math

    Suppose y , the number of cases of a disease, is reduced by 11% per year. (a) If there are initially 10,000 cases, express y as a function of t , the number of years elapsed. (b) How many cases will there be 6 years from now? (c) How long does it take to

    asked on March 13, 2018
  35. math

    Find two numbers x, and y that add to 30, and for which 2x^2 +5y^2 is a minimum.

    asked on March 6, 2018
  36. Math 115

    Create a piecewise function of the following scenario where Upper D left-parenthesis t right-parenthesis is the total distance walked (in miles) as a function of time t (in minutes): “You begin a walk from your home at a fast pace of 3 miles per hour for

    asked on February 15, 2018
  37. Math 115

    Create a piecewise function of the following scenario where Upper D left-parenthesis t right-parenthesis is the total distance walked (in miles) as a function of time t (in minutes): “You begin a walk from your home at a fast pace of 3 miles per hour for

    asked on February 15, 2018
  38. differential Equations

    Find general solution [t - sqrt(ty) ] dy/dt = y

    asked on February 14, 2018
  39. Differential Equations

    Find general solution. 2ty dy/dt = 3y^2 - t^2

    asked on February 14, 2018
  40. differential Equations

    solve initial value problem t dy/dt = y + sqrt(t^2 + y^2) , y(1)=0

    asked on February 12, 2018
  41. differential Equations

    solve the initial value problem and find the interval of existence... cos(y) dy/dt = -t sin(y)/ (1+t^2) , y(1)=pi/2

    asked on February 8, 2018
  42. AP Calculus AB Part 2

    The Riemann sum, the limit as the maximum of delta x sub i goes to infinity of the summation from i equals 1 to n of f of the quantity x star sub i times delta x sub i , is equivalent to the limit as n goes to infinity of the summation from i equals 1 to n

    asked on January 26, 2018
  43. Chemistry

    Find the amount of mole solute in solution of concentration 2.5moldm^-3 and volume of 500cm^3 Hint to solve Amount = C x V

    asked on October 21, 2017
  44. math

    hi, one question i have is for the following problem:"Two families meet at a park for a picnic. At the end of the day, they part ways. Family A leaves 15 mins after family B and travels east at an average speed of 42mph; while, family b travels west at an

    asked on September 10, 2017
  45. College Physics

    A mass m is acted on by a resultant force of 28.6 N in the upward direction. The acceleration of the mass is 5.72 m/sec2 upward. What is the mass?

    asked on July 12, 2017
  46. math

    Find f(infinity) for the complex function: 1/z+3

    asked on June 7, 2017
  47. Physics

    A charge of -17 nC is on the X axis at the origin. A charge of -24 nC is on the X axis at 11 cm. Find the electric field (magnitude and direction) at 19 cm on the X axis. I believe to solve this problem, the equation E = kC (q1/r1^2) must be used for each

    asked on April 10, 2017
  48. English

    Many plays are written about family situations because why?

    asked on April 4, 2017
  49. Physics

    A ray of light with wavelength 589 nm passes through an unknown material with a velocity of 1.94 x 10^8 m/s. What is the material? I think this problem has something to do with Snell's law, but there is no given angle of refraction so I don't know how to

    asked on March 25, 2017
  50. Math

    Describe the cross sections formed as the plane intersects the interior of the sphere but moves away from the center

    asked on March 15, 2017
  51. Pre calc

    The population of a Midwestern city decays exponentially. If the population decreased from 900,000 to 800,000 from 2003 to 2005, what will be the population in 2008? I thought it was 7542 but it is wrong can someone please help me thank you

    asked on March 9, 2017
  52. algebra

    a ladder is placed 5ft away from a house. the ladder comes up to 12ft on the side of the house. how long is the ladder?

    asked on February 23, 2017
  53. Physics

    A piece of metal of volume 250 centimetre cube floats in water when 85 percent of its volume is under water.Calculate the upthrust on the metal. [pw=1.0gcm^-3]

    asked on January 8, 2017
  54. Linear Relations MATHS

    If A = (-4,6) and B = (6,-7), find: (a) the coordinates of the point P on the line segment AB such that AP:Pb = 3:1 (b) the coordinates of the point P on the line AB such that AP:AB = 3:1 and P is closer to point B than to point A

    asked on December 22, 2016
  55. Geometry

    Hi I was having some problem with this question, its been a while since I had been in geometry. I think you foil, but Im not sure. Solve for X. 2(x+4)(x+3)= 3(x+2)(x-1)

    asked on December 11, 2016
  56. precalculus

    Given: r = 4/-2-6sintheta What type of conic does this represent? ________________________________________ Circle Ellipse Hyperbola Parabola

    asked on December 9, 2016
  57. Math

    Movie starts at 5:20 it is a 1 hour and 50 minutes long. What time does the movie end?

    asked on December 6, 2016
  58. precalculus

    What does the equation y = a(x - h)2 + k, a ≠ 0 represent?

    asked on December 5, 2016
  59. Physics

    Two bumper cars crash head on in an elastic collision. One car #1 was moving 2.5 m/s west and car #2 was moving 3.7 m/s east. Each car has a mass of 254 kg. What are the final velocities after the collision? I think this problem is supposed to be solved

    asked on November 14, 2016
  60. Physics

    Two bumper cars crash head on in an elastic collision. One car #1 was moving 2.5 m/s west and car #2 was moving 3.7 m/s east. Each car has a mass of 254 kg. What are the final velocities after the collision? I think this problem is supposed to be solved

    asked on November 13, 2016
  61. geometry

    construct an isosceles triangle and construct Sierpinksi's triangle. Repeat the pattern three times. What segment of a triangle does this pattern make use of over and over again?

    asked on November 2, 2016
  62. Physics (for Damon)

    Given the following about a spring: mass = 20.0 kg height initial = 5.25 m (above the ground) height final = 2.17 m (above the ground with the mass attached) delta y initial = 0.00 m I have found the following: Spring constant: 63.7N It would take 576J to

    asked on October 30, 2016
  63. Physics

    Given the following about a spring: mass = 20.0 kg height initial = 5.25 m (above the ground) height final = 2.17 m (above the ground with the mass attached) delta y initial = 0.00 m There are several questions I must answer from this. 1. What is the value

    asked on October 29, 2016
  64. Physics

    Given the following about a spring: mass = 20.0 kg height initial = 5.25 m (above the ground) height final = 2.17 m (above the ground with the mass attached) delta y initial = 0.00 m There are several questions I must answer from this. 1. What is the value

    asked on October 29, 2016
  65. management

    examine the impact of one's family background and setting to work place behaviour?

    asked on October 29, 2016
  66. BUSINESS MANAGEMENT

    examine the impact of one's family background and setting to work place behaviour?

    asked on October 28, 2016
  67. principle of management

    examine the impact of one's family background and setting to work place behaviour?

    asked on October 28, 2016
  68. Maths

    1. For what values of a will the straight line y=ax+1 have ONE intersection with the parabola y=-x^2-x-8?

    asked on October 24, 2016
  69. Geometry

    The lengths of the three sides of an isosceles triangle are 24", 24", and 14". Find the measure of each length of each angle. Then find the area of the triangle.

    asked on October 23, 2016
  70. Geometry

    Once drawing the pentagon with a radius of 2, how would you figure out the side length when only knowing that the radius is 2 and when the apothem is placed it splits into a 36-60-90 triangle?

    asked on October 23, 2016
  71. Geometry

    Two buildings are separated by an alley. From a window 80 feet above the ground in one of the buildings, it can be observed that the angle of elevation to the top of the other building is 62*, and the angle of depression the the bottom of the building is

    asked on October 23, 2016
  72. Physics

    If someone pushes on a box on a horizontal floor with a horizontal force of 17.8 N, but the box does not move, what is the static friction (Fs) between the box and the floor? Explain. The next question is: If the box just starts to move with a horizontal

    asked on October 16, 2016
  73. Physics

    If someone pushes on a box on a horizontal floor with a horizontal force of 17.8 N, but the box does not move, what is the static friction (Fs) between the box and the floor? Explain. The next question is: If the box just starts to move with a horizontal

    asked on October 16, 2016
  74. Physics

    A 75.0 kg object is on an incline of 30 degrees horizontally. I have to calculate several things from this, and I need help with some of them. I have to find the following: 1. Static coefficient of friction 2. Kinetic coefficient of friction 3.

    asked on October 16, 2016
  75. English Thesis please help

    Can someone give me an elaborate overview of what the Puritan period is about?

    asked on October 10, 2016
  76. History

    Why did the Elizabethan period end? I know that it ended with Queen Elizabeth I, but I need a more elaborate explanation of why that era ended?

    asked on October 10, 2016
  77. Physics

    A golf ball with an initial angle of 34 degrees lands exactly 240 m down the range on a level course. a.) Neglecting air friction, what initial speed would achieve this result? b.) Using the speed determined in item a, find the maximum height reached by

    asked on October 5, 2016
  78. Math

    If the ratio of green marbles to yellow marbles is 3:4 then how many yellow marbles are there for 8 green marbles

    asked on October 4, 2016
  79. Physics

    A train travels due east at a velocity of 85.5 km/hr. A passenger walks from the front of the train to the back at a velocity of 3.7 km/hr. What is the velocity of the passenger to an observer who is seated on a train going due west at a velocity of 64.7

    asked on October 3, 2016
  80. Physics

    A car heads due west on Interstate 80 going 63.0 km/hr for 2.1 hours. The car then turns and heads exactly northwest on Interstate 42 going 53 km/hr for 3.3 hours. What is the resultant displacement of the car? I've done some work on it and I have a good

    asked on October 2, 2016
  81. Physics

    A car heads due west on Interstate 80 going 63.0 km/hr for 2.1 hours. The car then turns and heads exactly northwest on Interstate 42 going 53 km/hr for 3.3 hours. What is the resultant displacement of the car?

    asked on October 2, 2016
  82. Math

    What is the difference between "Give your answer correct to two decimal places." and "Round your answers to two decimal places." ?? Are they the same thing or do the answers differ?

    asked on September 12, 2016
  83. information and technology

    c) Describe each of the computer specifications listed below i. Intel Core 2 Duo T6670 (2.2GHz,2MB L2 cache) ii. 15.6 HD Anti-Glare (1366x768) iii. 2 GB DDR3 1066 MHz 1DIMM iv. 320 GB 7200RPM v. DVD+/- RW vi. Loaded Operating system Windows 7 vii. Wireless

    asked on September 6, 2016
  84. principle of management

    whilst entrepreneurship is a panacea to the world over, the current Zimbabwean situation is different .eludicate four reasons why the situation is different

    asked on September 3, 2016
  85. Math

    Kate's parents decided it was time to start giving her pocket money. They were not sure how much to give her so they started with $1 for the first week and doubled it every week. How many weeks until Kate gets over $20 pocket money?

    asked on September 3, 2016
  86. Economics

    Assume the total cost of production in a particular firm is #50000.00 while the fixed cost is #30000.00. The wages paid to each unit of labour is #2000.00. Calculate the unit of labour employed in this firm please what is the formula

    asked on August 24, 2016
  87. Chemistry

    How do you determine the polarity of a substance? Example?

    asked on July 29, 2016
  88. math

    How many yards is 9000024km

    asked on June 29, 2016
  89. fin/370

    Spread the balance sheets and income statements of Lake of Egypt Marina, Inc., for 2015 and 2014. (LG3-6)

    asked on April 23, 2016
  90. chem12

    2HI(g)--H2(g) + I2(g) k eq= 8.0 2.0 mol of HI are placed in a 4.0L container, and the system is allowed to reach equilibrium. Calculate the equilibrium concentration of all three gases Initial 2HI=0.5 mol/L H2= 0 I2=0 change 2HI= -2x H2= x I2=x equilibrium

    asked on March 14, 2016
  91. chem12

    2HI(g)--H2(g) + I2(g) k eq= 8.0 2.0 mol of HI are placed in a 4.0L container, and the system is allowed to reach equilibrium. Calculate the equilibrium concentration of all three gases Initial 2HI=0.5 mol/L H2= 0 I2=0 change 2HI= -2x H2= x I2=x equilibrium

    asked on March 13, 2016
  92. chem 12

    1.0 mol of each of the gases, CO, H20, CO2 and H2 are placed in a 2.00L container and allowed to reach equilibrium. It is found at equilibrium 0.40 mol of CO is present. Calculate the value of K eq for the system. C0(g) + H20(g)--- CO2(g) + H2(g) Intial

    asked on March 13, 2016
  93. chem 12

    2H2S(g)---2H2(g) + S2 delta H=220KJ k eq is 0.40 a 10.0L vessel containing 2.0 mol of H2S, 2.2 mol of H2, and 2.5 mol of S2 Calculate a trail k eq value to see whether the reaction is at equilibrium. trail k eq =(h2)^2(S2)/(H2S)^2 = (0.22)^2(0.25)/(0.2)^2

    asked on March 12, 2016
  94. chem 12

    for the equilibrium 2HI(g)--- H2(g) + I2 k eq = 8.0 2.0 mol of HI are placed in a 4.0 L container, and the system is allowed to reach equilibrium. Calculate the equilibrium concentration of all three gases. Inital 2HI 0.5mol/l H2 =0 I2=0 change 2HI= -2x

    asked on March 10, 2016
  95. chem 12

    2H2S(g)---2H2(g) + S2 delta H=220KJ k eq is 0.40 a 10.0L vessel containing 2.0 mol of H2S, 2.2 mol of H2, and 2.5 mol of S2 Calculate a trail k eq value to see whether the reaction is at equilibrium. trail k eq =(h2)^2(S2)/(H2S)^2 = (0.22)^2(0.25)/(0.2)^2

    asked on March 9, 2016
  96. chem12

    1.0 mol of each of the gases, CO, H20, CO2 and H2 are placed in a 2.00L container and allowed to reach equilibrium. It is found at equilibrium 0.40 mol of CO is present. Calculate the value of K eq for the system. C0(g) + H20(g)--- CO2(g) + H2(g) Intial

    asked on March 9, 2016
  97. chem12

    for the equilibrium 2HI(g)--- H2(g) + I2 k eq = 8.0 2.0 mol of HI are placed in a 4.0 L container, and the system is allowed to reach equilibrium. Calculate the equilibrium concentration of all three gases. Inital 2HI 0.5mol/l H2 =0 I2=0 change 2HI= -2x

    asked on March 8, 2016
  98. Math

    A credit card company charges 1.5% interest per month (that is 18% per year). On a balance of $1448.00, calculate this month's finance charge

    asked on March 8, 2016
  99. chem 12

    consider the following equilibrium 2NOCl(g)--- 2 NO(g) + Cl2(g) Initally 1.00 mol of NO and 1.00 mol of Cl2 are placed in a 5.00L container. Calculate the initial concentrations of NOCl, NO and Cl2 NO= 0.20 mol/L Cl2= 0.20 mol/l NOCl=0 At equilibrium it is

    asked on March 8, 2016
  100. Algebra

    If t varies inversely as the cube of z and directly as the square of r, and t=4 when z=3 and r=6, find 9. T= k (square) r/(cubed) z 4=k (square) 6/ (cubed) 3 The electrical conductance of a wire varies directly as the square of its a diameter and inversely

    asked on February 20, 2016

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