Andrea made a car trip of 440 Kilometers. She averaged 54 Kilometers per hour for the frst part of the trip and 80 kilometers per hour for the secound part. If the total trip took 6 hours, how long was

36,005 results
  1. Math

    Many American cars feature speedometers that show kilometers per hour. If you are required to drive 500 miles, and you know that one kilometer is approximately 5/8 of a mile, how many kilometers would you cover in that journey?

  2. general math

    The base jeepney fare is PHP 8.00 for the first four kilometers and an additional PHP 1.50 per kilometers for the succeeding kilometers, express the fare for x kilometers as a function of x. please help me and kindly put the solution too. thank you :)

  3. Pre algebra

    A cyclist rides her bike at a speed of kilometers per hour. What is this speed in kilometers per minute? How many kilometers will the cyclist travel in minutes? Do not round your answers.

  4. math

    The record for the fastest speed on a bicycle is 133 kilometers per hour. How long would it take a person traveling at this speed to travel 365.75 kilometers? hours and minutes

  5. Math

    An airplane traveled 1,991.25 kilometers at an average speed of 885 kilometers per hour. How long did it take for the airplane to travel this distance?

  6. Algebra

    A car is traveling at a rate of 60 miles per hour. What is the car's rate in kilometers per hour? How many kilometers will the car travel in 4 hours? In your computations, assume that 1 mile is equal to 1.6 kilometers. Do not round your answers.

  7. not sure

    many american cars feture speedometers that show kilometers per hour. If you are required to drive 55 miles and you know that one kilometer is approximately 5/8 of a mile, how many kilometers would you cover in that journey? 800 but how and why? nevermind.

  8. Physics

    A car travels in a straight line with an average velocity of 80 km/hr for 2.5 hours and then with an average velocity of 40 km/hr for 1.5 hours. a. Calculate the largest displacement for the 4-hour trip. b. Calculate the largest average velocity for the

  9. Algebra please help answer ASAP

    Milaela is competing in a race in which she both runs and rides a bicycle. She runs 5 kilometers in 0.5 hour and rides her bicycle 20 kilometers in 0.8 hour. Part A. At the given, how many kilometers can Mikaela run in 1 hour? part B. At the given rate,

  10. math

    Ms. Handler walks to work at an average speed of 5 kilometers per hour. If she increases her speed to 6 kilometers per hour, she will save 10 minutes. Find the distance she walks.

  11. math

    Bill swam 4 kilometers against the current in the same amount of time it took him to swim 12 kilometers with the current. The rate of the current was 2 kilometers per hour. How fast would Bill swim if there were no current?

  12. math

    You traveled from Paris to London averaging 40 kilometers per hour and it took 3 and a half hours. What was the distance you traveled? kilometers

  13. math

    a boat moves 9 kilometers upstream in the same amount of time it moves 20 kilometers downstream. If the rate of the current is 9 kilometers per hour. Find the rate of the boat in still water

  14. algebra

    Mr. Anders and Ms. Rich each drove home from a business meeting. Mr. Anders traveled east at 100 Kilometers per and hour and Ms. Rich traveled west at 80 kilometers per hour. In how many hours were they 100 kilometers apart?

  15. Maths

    if Henry drove 220 kilometers between 10:00A.M and 1:40 P. M what was his average speed,in kilometers per hour (a) 54 (b) 60 (c) 55(d)45?

  16. Precalculus

    Rosea drives her car 30 kilometers to the train station, where she boards a train to complete her trip. The total trip is 120 kilometers. The average speed of the train is 20 kilometers per hour faster than that of the car. At what speed must she drive her

  17. Algebra

    You commute 56 miles one way to work. The trip to work takes 10 minutes longer than the trip home. Your average speed on the trip home is 8 miles per hour faster. What is your average speed on the trip home? I don't understand why it has to be converted to

  18. Math

    A car is traveling at a rate of 35 meters per second. What is the car's rate in kilometers per hour? How many kilometers will the car travel in 3 hours? Do not round your answers.

  19. Math

    Two airplanes leave St. Louis at the same time and fly in opposite directions. If one travels at 500 kilometers per hour, and the other at 600 kilometers per hour, how long will it take for them to be 1925 kilometers apart?

  20. Calc

    The maker of an automobile advertises that it takes 13 seconds to accelerate from 25 kilometers per hour to 90 kilometers per hour. Assuming constant acceleration, compute the following. The acceleration in m/s^2 The distance the car travels during the 13

  21. algebra II

    The Chunnel connects the United Kingdom and France by a railway tunnel under the English Channel. The British started tunneling 2.5 months before the French and averaged 0.63 Kilometer per month. The French averaged 0.47 kilometer per month. When the two

  22. science

    3. Your family is driving to the beach. You travel 200 kilometers in the first two hours. During the next hour, you stop for lunch and only travel 25 kilometers. What was your average speed? *

  23. Math

    Two airplanes leave St. Louis at the same time and fly in opposite directions. If one travels at 500 kilometers per hour, and the other at 600 kilometers per hour, how long will it take for them to be 1925 kilometers apart?

  24. Algebra

    A car leaves a town at 80 kilometers per hour. A second car leaves one hour later. If the second car travels at 125 kilometers per hour, how long will it take the second car to catch up?

  25. math

    You jogged 11 kilometers at an average speed of 10 kilometers per hour. How long did you jog? I need help please

  26. Math

    Two trains travel in the same direction on parallel tracks. Train A starts out 50 kilometers ahead of Train B. Train A travels 90 kilometers per hour and Train B travel 100 kilometers per hour. In how many hours will the trains be in the same place? Is the

  27. algebra

    Write an algebraic expression for the verbal description. The travel time for a plane traveling at a rate of r kilometers per hour for 820 kilometers

  28. Math

    The record for the fastest speed on a bicycle is 133 kilometers per hour. How long would it take a person traveling at this speed to travel 365.75 kilometers

  29. math

    Phil is making a 40-kilometer canoe trip. If he travels at 30 kilometers per hour for the first 10 kilometers, and then at 15 kilometers per hour for the rest of the trip, how many minutes more will it take him then if he travels the entire trip at 20

  30. Math

    How long did it take the trip if Jay drove 340 kilometers at the average rate of 68 kilometers per hour?

  31. math

    the distance between new york city and boston is 189.9 miles as the crow flies. how far is it in kilometers? 117.7 kilometers 305.7 kilometers 417.8 kilometers 1,899 kilometers

  32. Math

    a bus travels 240 kilometers at 60 kph and then returns at 40 kph.. what is the average speed in kilometers per hour for the round trip?

  33. Algebra

    1.A motorcycle has a reserved fuel of 0.5 liter which can be used if it's 3-liter fuel tank is about to be emptied. The motorcycle consumes at most 0.5 liter fuel for every 20 km of travel. a. What mathematical statement represents the amount of fuel that

  34. Chemistry

    A car travels at 60 miles per hour and gets 15 kilometers per liter of gasoline. How many gallons of gasoline are needed for a 2.2-hour trip? I'm confused on how to set-up conversion factors.

  35. Math- Please Help!!

    An airplane has an airspeed of 724 kilometers per hour at a bearing of 30 degrees.The wind velocity is 32 kilometers per hour from the west. What are the groundspeed and the direction of the plane?

  36. Math

    Darla and Dave leave school each day at 2:00 P.M. on their bikes and travel in opposite directions. If Darla rides at a constant rate of 12 kilometers per hour and Dave rides at a constant rate of 14 kilometers per hour, after how many hours are they 65

  37. math

    Phil is making a 40-kilometer canoe trip. If he travels at 30 kilometers per hour for the first 10 kilometers, and then at 15 kilometers per hour for the rest of the trip, how many minutes more will it take him then if he travels the entire trip at 20

  38. Intergated chemistry/physics

    The Lamborghini Diablo sports car can accelerate from 0 kilometers/hour to 99.2 kilometers/hour in 4.0 seconds. What is the acceleration of this car in kilometers/hour^2. (hint: you must convert 4.0 seconds before putting it into the equation.)

  39. Algebra

    Billye ran to town at 8 kilometers per hour and then walked back home at 3 kilometers per hour. How far was it to town if the round trip took 11 hours?

  40. physics

    A car traveling at 98 kilometers an hour comes to a stop in 15 seconds. What is the car's acceleration in kilometers an hour per second

  41. Math

    Two planes started at the same time from two airports that are 3600 kilometers apart and flew toward each other. One plane flew at 792 kilometers and the other flew at 888 kilometers per hour. In how many hours were the planes still 240 kilometers part?

  42. statistics

    A construction zone on Kings Road has a posted speed of 45 kilometers per hour. The speeds of vehicle passing through this construction zone are normally distributed with a mean of 46 kilometers per hour and a standard deviation of 4 kilometers per hour.

  43. 8th Grade Algebra

    The distance required for a car to stop is directly proportional to the square of its velocity. If a car can stop in 112.5 meters at 15 kilometers per hour, how many meters are needed to stop at 25 kilometers per hour?

  44. Math

    Traveling at r kilometers per hour for t hours, a driver will travel rt kilometers. How far will Danny travel in 3 hours at a speed of 51 kilometers per hour?

  45. Math (unit rates)

    You jogged 11 kilometers at an average speed of 10 kilometers per hour. How long did you jog?

  46. College Algebra

    An executive flew in the corporate jet to a meeting in a city 1500 kilometers away. After traveling the same amount of time on the return flight, the pilot mentioned that they still had 300 kilometers to go. The air speed of the plane was 600 kilometers

  47. English

    I forgot to include the following examples.I urgently need to know if they are possible. 1) I usually ride my bike to school. My father drives his car to work. You can drive at 50 kilometers per hour on an Italian urban road. 2) You can drive at 130

  48. algebra

    Her average rate traveling uphill was 1.8 kilometers per hour and her average rate down hill was 4.2 kilometers per hour. If she spent a total of 16 hours hiking, how long was the trail?

  49. math

    One mile is equal to: A} 1.61 kilometers B} 3.52 kilometers C} 0.91 kilometers D} 2.34 kilometers

  50. math

    Andrea made a car trip of 440 Kilometers. She averaged 54 Kilometers per hour for the frst part of the trip and 80 kilometers per hour for the secound part. If the total trip took 6 hours, how long was she traveling at 80 kilometers per hour?

  51. MATH

    Andrea made a car trip of 440 Kilometers. She averaged 54 Kilometers per hour for the frst part of the trip and 80 kilometers per hour for the secound part. If the total trip took 6 hours, how long was she traveling at 80 kilometers per hour?

  52. math

    Phil is making a 40-kilometer canoe trip. If he travels at 30 kilometers per hour for the first 10 kilometers, and then at 15 kilometers per hour for the rest of the trip, how many minutes more will it take him then if he travels the entire trip at 20

  53. math

    Phil is making a 40-kilometer canoe trip. If he travels at 30 kilometers per hour for the first 10 kilometers, and then at 15 kilometers per hour for the rest of the trip, how many minutes more will it take him then if he travels the entire trip at 20

  54. math

    Samantha’s speedometer reads in kilometers per hour. If the legal speed limit is 55 mi/h, how fast can she drive? How should I set this up? 160 kilometers per hour is 100 miles 55 miles is 88 kilometers. Here in New Zealand we are in kilometers

  55. Math

    300 kilometers, 180 kilometers and 200 kilometers represents the trips that ms axler took in her job this week. How many kilometers had ms axler traveled when she was at the one third point in each trip? Explain your reasoning

  56. Math

    a woman drives to work and averages 70 kilometers per hour for the trip. On her trip from work to home she averages 100 kilometers per hour. What is her average speed for the round trip?

  57. physics

    What force is required to accelerate a 950 kilogram car 20 kilometers per hour to 45 kilometers per hour in 7 seconds? How far does the car travel during its acceleration?

  58. Algebra

    1. A car travels 20 kilometers per hour faster than a second car. The first car covers 180 kilometers in the same time the second covers 135 kilometers. What is the average speed of each car? 2. The tens' digit of a two-digit number is one more than its

  59. Math/Algebra

    Delivery company charges $10 plus 40¢ per kilometer or part of a kilometer. Find the cost for a trip of: a.5 kilometers b.7.5 kilometers c.3.2 kilometers d.Graph the ordered pairs (kilometers, cost). Is this a function?

  60. math

    two horses gallop off in the sam direction. Trigger travels25 kilometers per hour. Silver travels 30 kilometers per hour. How long before the horses are 3 kilometers apart?

  61. math

    it was 96 kilometers from Perry to medford. David raced to Medford and idled back.If the round trip took 8 hours what was his average speed in kilometers per hour

  62. calculus

    The maker of an automobile advertises that it takes 15 seconds to accelerate from 15 kilometers per hour to 70 kilometers per hour. Assuming constant acceleration, (a) The distance the car travels during the 15 seconds (Round your answer to two decimal

  63. calculus

    At noon, you and I start at the same place, and then you head east at a speed of 5 kilometers per hour, and I head north at a speed of 4 kilometers per hour. After two hours, how fast are we moving apart, in kilometers per hour?

  64. Calculus

    The maker of an automobile advertises that it takes 11 seconds to accelerate from 15 kilometers per hour to 90 kilometers per hour. Assuming constant acceleration, compute the following. What is the distance the car travels during the 11 seconds (Round

  65. Math

    A woman rides her bicycle from her house to and from a lake. It takes her 1 1/2 hours to ride to the lake and 1 3/4 hours to ride back. She rides downhill at 12 kilometers per hour, on level ground at 8 kilometers per hour, and uphill at 6 kilometers per

  66. physics

    Canadian snowbirds usually follow the I-15 at a speed of about 120 kilometers per hour. Canadian geese, on the other hand, migrate approximately along a north-south direction for well over a thousand kilometers in some cases, traveling at speeds up to

  67. physics

    Canadian snowbirds usually follow the I-15 at a speed of about 120 kilometers per hour. Canadian geese, on the other hand, migrate approximately along a north-south direction for well over a thousand kilometers in some cases, traveling at speeds up to

  68. physics

    Canadian snowbirds usually follow the I-15 at a speed of about 120 kilometers per hour. Canadian geese, on the other hand, migrate approximately along a north-south direction for well over a thousand kilometers in some cases, traveling at speeds up to

  69. physics

    Canadian snowbirds usually follow the I-15 at a speed of about 120 kilometers per hour. Canadian geese, on the other hand, migrate approximately along a north-south direction for well over a thousand kilometers in some cases, traveling at speeds up to

  70. Math

    An airplane has an airspeed of 724 kilometers per hour at a bearing of 30 degrees.The wind velocity is 32 kilometers per hour from the west. What are the groundspeed and the direction of the plane?

  71. Math

    An airplane has an airspeed of 724 kilometers per hour at a bearing of 30 degrees.The wind velocity is 32 kilometers per hour from the west. What are the groundspeed and the direction of the plane?

  72. Math

    9. The time between a lightning flash and the following thunderclap may be used to estimate, in kilometers, how far away a storm is. How far away is a storm if 6 second elapse between the lightning and the thunder clap? Use the formula d = t/3 , in

  73. ALGEBRA

    If traveling at r kilometers per hour for t hours, a driver will travel rt kilometers. How far will Danny travel in 4 hours at a speed of 99 kilometers per hour?

  74. math

    An observer is located on the ground 6 kilometers from the point where a space shuttle is launched (vertically). When the shuttle is 8 kilometers high, it is travelling at 500 kilometers per hour. Determine, for that moment, the rate at which the distance

  75. algebra

    3 wk trip with a budget of $600 for rental car. Rental rates are $135/week plus $0.17/km. write a formula to show the number of kilometers the family can travel and how many kilometers can they travel based of formula

  76. Math

    Brett and Jim sign up for Memorial Day race in their town. There are two different events, a 5 kilometers and a 10 kilometers. Brett signed for 5 kilometers and Jim signed for 10 kilometers. Use thermometers to indicate when both Brett and Jim have

  77. Math Help!!

    The time between a lighting flash and the following thunderclap may be used to estimate, in kilometers, how far away the storm is. How far away is the storm if 12 seconds elapse between the lighting and the thunderclap? a) 4 kilometers b) 5 kilometers c)

  78. Physics

    You find yourself driving 35 kilometers an hour when you take your foot off the accelerator and descend 18 meters into the valley. Just as you reach the bottom, you see a policeman hiding between a speed limit sign that reads 70 kilometers per hour. Will

  79. calculus

    The maker of an automobile advertises that it takes 10 seconds to accelerate from 30 kilometers per hour to 90 kilometers per hour. Assuming constant acceleration, compute the following distance traveled in 10 seconds

  80. Trigonometry

    A person can swim at a speed of 2 kilometers per hour in still water. If he heads across a river at right angles to current of 5 kilometers per hour, find his speed in relation to the land and the direction in which he actually moves.

  81. Science

    Two trains are traveling towards each other, starting 100 kilometers apart. One train travels at 40 kilometers per hour while the other travels at 60 kilometers per hour. The plane starts flying at 90 kilometers per hour, starting from the location of the

  82. Math

    A boat moves 7 kilometers upstream in the same amount of time it moves 17 kilometers downstream. If the rate of the current is 9 kilometers per hour, find the rate of the boat in still water.

  83. Geometry

    A satellite has-recently been placed in a nearly circular orbit 2000 kilometers above the earth’s surface. Given that the radius of the earth is approximately 6400 kilometers and that the satellite completes its orbit in 12 hours, calculate the speed of

  84. Algebra

    An executive flew in the corporate jet to a meeting in a city 1700 kilometers away. After traveling the same amount of time on the return flight, the pilot mentioned that they still had 300 kilometers to go. The air speed of the plane was 600 kilometers

  85. calculus

    A plane that is flying horizontally at an altitude of 6 kilometers and a speed of 570 kilometers per hour passes directly over a radar station. How fast is the distance between the plane and the radar station increasing when the distance between the two is

  86. Calc

    A plane that is flying horizontally at an altitude of 6 kilometers and a speed of 680 kilometers per hour passes directly over a radar station. How fast is the distance between the plane and the radar station increasing when the distance between the two is

  87. Algebra

    While traveling in a car, the centrifugal force a passenger experiences as the car drives in a circle varies jointly as the mass of the passenger and the square of the speed of the car. If the a passenger experiences a force of 100.8 newtons when the car

  88. calculus

    The maker of an automobile advertises that it takes 10 seconds to accelerate from 30 kilometers per hour to 90 kilometers per hour. Assuming constant acceleration, compute the following. (a) The acceleration in meters per second per second (Round your

  89. math

    Edna and Nancy leave the house of a common friend at the same time and walk for 4 hours. Edna walks due east at the average rate of 4 kilometers per hour and Nancy walks due north at the average rate of 3 kilometers per hour. What is the straight-line

  90. Algebra

    How would you set up problem: your average rate traveling uphill was 2.2 kilometers per hour and average rate downhill was 3.3 kilometers per hour. If he spent a total of 12 hours hiking, how long was the trail?

  91. math

    It takes mary x hours to travel 100 kilometers. If she increases her speed by 5 kilometers per hour, the journey will take her 3 hours less time. Find x.

  92. math

    The record for the fastest speed on a bicycle is 133 kilometers per hour. How long would it take a person traveling at this speed to travel 365.75 kilometers?

  93. Socials

    How far is it in kilometers from kamloops BC to Edmonton Alberta? How far is it in kilometers from Singapore to Kuala Lumpur? How far is it in kilometers from Singapore to Medan? What is located at 105 east and 3 south?

  94. trig

    An airplane is flying in the direction 148° with an airspeed of u = 920 kilometers per hour. Because of the wind, its groundspeed and direction are v = 820 kilometers per hour and 140°, respectively (see figure). Find the direction and speed of the wind.

  95. Calculus

    A car travelling at 50 kilometers per hour crosses a bridge over a river 10 minutes before a boat travelling at 40 kilometers per hour passes under the bridge. The river and the bridge are straight and at right angles to each other. At what rate are the

  96. math

    You traveled from Paris to London averaging 40 kilometers per hour and it took 3 and a half hours. What was the distance you traveled? kilometers Thank you.

  97. of

    A car is traveling at the average speed of 50 kilometers per hour how much distance would it travel in 1 hour 12 minutes

  98. trigo

    An airplane travels on a bearing of 245 degrees at an airspeed of 200 kilometers per hour while a wind is blowing 50 kilometers per hour from 140 degrees. Find the ground speed of the airplane and the direction of its track, or course, over the ground.

  99. Math

    Betty and Tracy planned a 5000km trip in an automobile with five tires, of which four are in use at any time. They plan to interchange them so that each tire is used the same number of kilometers. What is the number of kilometers each tire will be used? I

  100. math help

    It was 96 kilometers from perry to medford. David raced to medford and idled back. If the round trip took 8 hours, what was his average speed in kilometers per hours?

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