Mandy runs 4km in 18min. She plans to run in a 15km race. How long will it take her to complete the race? distance = rate x time distance - 15 km time = solve for this rate = 4km/18min

34,586 results
  1. probability

    Problem 2: Oscar's running shoes Oscar goes for a run each morning. When he leaves his house for his run, he is equally likely to use either the front or the back door; and similarly, when he returns, he is equally likely to use either the front or the

  2. Math

    In a triathlon, a contestant swims 5 km, cycles 30 km, and then runs 20 km. In general, a contestant runs at an average speed of x, swimsat an average speed of x/5, and cycles at an average speed of 5x, where x is in kilometres per hour. a) Determine an

  3. english double checking

    The story of "The Turtle and the Rabbit Run a Race" teaches a few lessons. What lesson does it teach about cheating? "The Turtle and the Rabbit Run a Race" personally taught me if I don't work hard, and I cheat to earn the success I want; I will get the

  4. Science/Math

    Word Problem page 19 John and Al are in a 15 km race. John averages 4.4 m/s during the first half of the race and then runs at a speed of 4.2 m/s until the last 200 m, which he covers at 4.5 m/s. At what average speed must Al run to beat John? The textbook

  5. Science/Math

    John and Al are in a 15 km race. John averages 4.4 m/s during the first half of the race and then runs at a speed of 4.2 m/s until the last 200 m, which he covers at 4.5 m/s. At what average speed must Al run to beat John? The textbook that included the

  6. Physics

    In a 5.00km race, one runner runs at a steady 11.6km/h and another runs at 15.0km/h. How long does the faster runner have to wait at the finish line to see the slower runner cross?

  7. MATH ALGEBRA

    The Forever Green Nursery owns 7000 white pine trees. Each year the nursery plans to sell 12% of the trees and to then plant 600 new ones. a. Find the # of trees owned by the nursery after 10 year b. Find the # of trees owned by nursery after many years

  8. Physics

    Two runners have a race. The first runner decides to run with his full speed v₁=9 m/s over the 250 meters of the race and then slows to v₂=7 m/s for the rest, since he's tired. The second runner wants to save energy, so he runs with v₃=8 m/s for the

  9. English Check my answers please

    1. In “Raymond’s Run,” which detail supports the prediction that Squeaky will not let Gretchen win the race? (1 point) I put * marks by ones I thought Squeaky is insulted when Mr. Pearson suggests she give someone else “a break” this year.

  10. 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,

  11. physics

    A tortoise can run with a speed of 0.12 m/s, and a hare can run 20 times as fast. In a race, they both start at the same time, but the hare stops to rest for 1.0 minutes. The tortoise wins by a shell (30 cm). (a) How long does the race take? (b) What is

  12. math

    3 PART Claire and Malia are training for a race A)Claire runs 10 km in 1 hour. How many kilometers does she run in half an hour? In 2 1/2 hours? B)Malia runs 5 miles in 1 hour. How many miles does she run in half an hour? In 2 1/2 hours? C)On Tuesday,

  13. math

    I need help with this question I just can't answer it. Joe is training for a race in 30 days. He needs to run a total of 135 miles. How many miles does he need to run each day to be ready for the race?

  14. algebra

    Cindy has 34 meters of fencing. She plans to build a rectangular dog run that is 2 meters wide. How long can the dog run be?

  15. physic

    Hi, could you help me please Question: A tortoise can run with a speed of 0.12 m/s and a hare can run 20 times as fast. in a race, they both start at the same time, but the hare stops to rest for 2.0 minutes. The tortoise wins by a shell (25cm). A.How long

  16. Physics

    A speedy tortoise can run at .01 meters per second, and the hare can run 21 times as fast. I. A race they start at the same time, but the hare stops for 1.5 minutes so the tortoise wins by a shell(20cm). How long is the race? How long is the path?

  17. math

    Directions: Follow the instructions below to design a fair race for the new video game Animal Tracks. 1. Choose two animals with different speeds. You can choose from the chart that starts at the bottom of this page or do research to choose your own. 2.

  18. Physics

    A sprinter accelerates at 4 m/s2 for 3 seconds, and then runs the rest of the race at a constant speed. If the race is 100 m, how much time does the sprinter take to fi nish the race?

  19. Physics

    A tortoise can run with a speed of 10.1 cm/s, and a hare can run 19.4 times as fast. In a race, they both start at the same time, but the hare stops to rest for 122 seconds. The tortoise wins by a shell (20.8 cm). How long does the race take? What is the

  20. pre algebra

    Lilliana is training for a marathon. She runs the same distance every day for a week. On Monday, Wednesday, and Friday, she runs 3 laps on a running trail and then runs 6 more miles. On Tuesday and Sunday, she runs 5 laps on the trail and then runs 2 more

  21. Physics

    (a) In 2009, Usain Bolt ran the last 100 meters of the 150-meter race in 8.70 seconds. What is Usain Bolt’s speed? (b) The world record for the 100-meter dash is 9.58 seconds (Bolt, 2009). Use the speed from part (a) as his maximum velocity. Assume a

  22. math

    Jamie is running a 100 m race. If he runs at a rate of 7.9 m/s, how long will it take him to run the race?

  23. Math

    During a 220 meter relay race, Jack begins at the starting line and runs for 4 minutes and then passes the baton to Jill. She runs for 3 minutes and finishes the race. If Jack can run 20 meters per minute faster than Jill, then what is Jack's rate of

  24. Physics

    In a 5.00 km race, one runner runs at a steady 11.8 km/h and another runs at 14.7 km/h . How long does the faster runner have to wait at the finish line to see the slower runner cross?

  25. Physics

    In a 5.00 km race, one runner runs at a steady 11.3 km/h and another runs at 14.9 km/h . How long does the faster runner have to wait at the finish line to see the slower runner cross?

  26. Algebra

    Jan can run at 7.5 m/s and Mary at 8.0 m/s. On a race track Jan is given a 25m head start, and the race ends in a tie. How long is the track?

  27. Physics

    A 73kg sprinter, starting from rest, reaches a speed of 7.0 m/s in 1.8s, with a negliable effect due to air resistance. The sprinter then runs with the remained of the race at a steady speed of 7.0 m/s under the influence of a 35-N force due to air

  28. math

    when tessa and fatima run a 100 metre race,tessa wins by 10m.then they repeat the race,this time with tessa starting 11m behind the starting line.if both girls run at the same speed as efore,what would be the expected result?

  29. marketing

    The total profit approach to evaluating possible product-market strategic plans: a. is the best approach to use. b. cannot be used to compare possible plans unless they are very similar. c. may support a plan that is not the most profitable in the short

  30. Math

    Mandy runs 4 km in 18 minutes if she planes to run in a 15 km race how long will it take her to complete the race

  31. maths-help me sir damon

    james and hannah both run 4km race.hannahtruns 1km faster than musa and finished a quater kilometer ah head of him.how long did james run in 4km? plz help

  32. Physics

    The biggest stuffed animal in the world is a snake 420 m long, constructed by Norwegian children. Suppose the snake is laid out in a park as shown in the figure below, forming two straight sides of a 114° angle, with one side 220 m long. Olaf and Inge run

  33. math

    michelle runs 400 meters in 1 minute. if she competes in the 100 meter race, about how many seconds will it take her to run the race?

  34. college

    A tortoise can run with a speed of 0.10m/s and a hare can run 20 times as fast. In a race, they start at the same time, but the hare stops to rest for 2.0min. The tortoise wins by a shell (20cm). How long does the race take? What is the length of the race?

  35. please someone answer this question

    A tortoise can run with a speed of 16.0 cm/s, and a hare can run exactly 25 times as fast. In a race, they both start at the same time, but the hare stops to rest for 2.00 min. The tortoise wins by 20.0 cm. (a) How long does the race take? (b) What is the

  36. maths help!??

    A man run a distance of 9km/hr for a distance of 4km.And 2km/hr for the rest of the distance.The whole run takes him 1hour.his average speed for the first distance in 4km is?

  37. calculus

    An Olympic athlete is standing at the edge of one side of a 3.7km wide river and wants to reach the point 7.4km downstream just along the edge of the opposite side. For this entire 7.4km stretch, the river is completely straight. The velocity of the

  38. Physics

    A bowling ball traveling with constant speed hits the pins at the end of a bowling lane 15.5 m long. The bowler hears the sound of the ball hitting the pins 2.50 s after the ball is released from his hands. What is the speed of the ball? The speed of sound

  39. Physics

    A lorry travel 10km northward,4km eastward,4km eastward,4km eastward,6km southward 4km westward to arrive at point T

  40. math

    The expression 4m is the distance each person runs in a relay race that is m miles. How far does each person run in a relay race that is 12 miles?

  41. physics!!!!!!!!!!

    If you ever watch track and field at the Olympics, you'll notice that the starting points of the runners are not even if the race is run on a curve and the runners have to run in lanes. This is to offset the fact that the distances along each lane are

  42. physics..............

    If you ever watch track and field at the Olympics, you'll notice that the starting points of the runners are not even if the race is run on a curve and the runners have to run in lanes. This is to offset the fact that the distances along each lane are

  43. math

    jen can run at 7.5 m/s and mary at 8.0 m/s. on a race track jen is given a 25 m head start, and the race eds in a tie. how long is the track? let x = distance run by jen. x + 25 = distance run by mary. time jen = d/r = x/7.5 time mary = d/r = (x+25)/8

  44. math

    Li is running a race around the school track. He runs 0.327 kilometer during the first half of the race. What is the distance that he travels in the first half of the race, rounded to the nearest hundredths

  45. Physics

    If 100 m sprinters accelerate from rest for 3.5 s at 2.8 m/s^2, how far have they run to this point? How long will it take them to complete the 100 m sprint, assuming they maintain their speed the rest of the way? I found the distance, which is 17 m, and

  46. Mathematics

    Lucile runs the 50-meter dash in her track meet. How many millimeters long is the race?

  47. Algebra

    Jan can run at 7.5 m/s. On a race track Jan is given a 25m head start, and the race ends in a tie. How long is the track?

  48. english double checking

    5- If someone asked me what kind of tale this was I would say it is a folktale because it is passed on and told by a person. The tale also uses animals and teaches lessons. 8- In what ways are the stories "The Turtle and the Rabbit Run a Race" and "The

  49. algebra

    Two persons are to run a race, but one can run 8 meters per second, whereas the other can run 2 meters per second. If the slower runner has a 99-meter head start, how long will it be before the faster runner catches the slower runner, if they begin at the

  50. Math

    This problem is really confusing, I have been trying and I can't get the answer, can you help me? An Afternoon event was a race through the park. The race started at the point with the coordinates of (2,3). The first turn was at (2,6), the second turn was

  51. math

    sam runs around a rectangular field 4 times a week. The field is 320 meters long and 240 meters wide. He runs 6 laps each time. What distance does he run in a week'

  52. Physics

    The tortoise and the hare are in a race of 1000m distance. The tortoise travels the entire race at a speed of 2.0 m/s while the rabbit runs the first 200 m @ 2.0 m/s. Then he stops to take nap for 1.3 hrs and awakens to finish the last 800m with an average

  53. math

    You are a member of your high school track team and you specialize as a long-distance runner. Your event is the 1500-meter run, also known as the metric mile, which you run at a constant rate. During one particular 1500-meter race you are 1200 meters from

  54. maths

    two sprinters runs the same race of 100m. One runs at a speed of 10m/s and the other runs at the speed of 8m/s. by what time will the first sprinter beat the other sprinter?

  55. math

    Mandy runs 4km in 18min. She plans to run in a 15km race. How long will it take her to complete the race? distance = rate x time distance - 15 km time = solve for this rate = 4km/18min 4km/18 mins = 1km/4.5 mins so 15 kms x 4.5 mins = 67.5 mins = 1 hr 7

  56. maths-word problem

    james and hannah both run 4km race.james runs 1km faster than hannah and finished a quater kilometer ah head of her.how long did james run in 4km plz show step!

  57. Physics

    The biggest stuffed animal in the world is a snake 420 m long, constructed by Norwegian children. Suppose the snake is laid out in a park as shown in the figure below, forming two straight sides of a 114° angle, with one side 220 m long. Olaf and Inge run

  58. math

    michelle runs 400 meters in 1 minute. if she completes in the 100-meter race , about how many seconds will it take her to run the race?(explain how you got your answer)

  59. math

    Michelle runs 400 metersin 1 minute. if she completes in the 100-meter race,about how many seconds will it take her to run the race?(explain how you got your answer)

  60. physics

    A tortoise can run with a speed of 11.5 cm/s, and a hare can run 21.4 times as fast. In a race, they both start at the same time, but the hare stops to rest for 126 seconds. The tortoise wins by a shell (18.3 cm). How long does the race take? What is the

  61. Physics

    A tortoise can run with a speed of 0.13 m/s, and a hare can run 20 times as fast. In a race, they both start at the same time, but the hare stops to rest for 4.0 minutes. The tortoise wins by a shell (35 cm). (a) How long does the race take? (b) What is

  62. Physics

    A tortoise can run with a speed of 14.0 cm/s, and a hare can run exactly 15 times as fast. In a race, they both start at the same time, but the hare stops to rest for 2.00 min. The tortoise wins by 20.0 cm. (a) How long does the race take? s (b) What is

  63. Physics

    A tortoise can run at a speed of 20 cm/s and a hare can run exactly 20 times as fast. In a race, they both start at the same time but the hare stops to rest for 2.00 mins. The tortoise wins by 20.0 cm. How long does the race take? What is the length of the

  64. Math

    the tortoise can run with a speed of 0.1m/s and the hare can run with a speed of 2m/s. They start their race at the same time, but the hare, feeling confident, stops along the way for a two minute nap, and the tortoise wins by the length of his shell,0.2m.

  65. Maths

    Three runners run a 10 metre race. Each runner runs according to the following rules: Runner 1: s = 2.4 + 0.75t Runner 2: s = 0.2t(t - 5.1) Runner 3: s = 0.2t(t - 5.1)(t - 9.1) Where displacement (s) is in metres and time (t) is in minutes. Calculate for

  66. Physics

    A speedy tortoise can run at 0.09 m/s, and a hare can run 20 times as fast. In a race, they start at the same time, but the hare stops to rest for 2.4 min, so the tortoise wins by a shell (20 cm). How long does the race take? Answer in units of s What is

  67. math

    Six boys ran a 100m race.Time taken to run the race is 14 seconds. The time in seconds taken by each boy is shown below. Al - 11 seconds Ben 12 Seconds Che - 14 Seconds Don - 12 Seconds Eze - 10 Seconds and Fred - 13 Seconds a) Who won the race b) For

  68. physics

    A speedy tortoise can run at 0.08 m/s, and a hare can run 15 times as fast. In a race, they start at the same time, but the hare stops to rest for 1.8 min, so the tortoise wins by a shell (20 cm). How long does the race take? Answer in units of s What is

  69. physical

    A marathon runner runs 3km in direction 0degree and them 4km in direction 90degree. total time for the race is 2 hours.so determine the total distance covered?

  70. Physic

    A speedy tortoise can run at 0.14m/s, and a hare can run 15 times as fast. In a race, they start at the same time, but the hare stops to rest for 2 min, so the tortoise wins by a shell(20cm). How long does the race take?

  71. physics

    A speedy tortoise can run at 0.12 m/s, and a hare can run 18 times as fast. In a race, they start at the same time, but the hare stops to rest for 1.5 min, so the tortoise wins by a shell (20 cm). How long does the race take? Answer in units of s

  72. math

    The track coach plans to make 8 lanes each 1-meter wide on the running track. The track measures y meters along the inside curb. The track has straight parallel sides and semicircular ends. If the runners in a race lined up at the same spot and stayed in

  73. Physics Help!!!!

    A runner in a relay race runs 20m north, turns around and runs south for 30 m, then turns north again and runs 40m. the entire run took 30 seconds. what was the average speed of the runner? what was the average velocity of the runner?

  74. Physics

    Two children who are bored while waiting for their flight at the airport decide to race from one end of the 20 -long moving sidewalk to the other and back. Phillippe runs on the sidewalk at 2.0 (relative to the sidewalk). Renee runs on the floor at 2.0 .

  75. Maths

    A runner runs a 10 metre race, the runner runs according to the following rule: s = 0.2t(t - 5.1)(t - 9.1) Where displacement (s) is in metres and time (t) is in minutes. Calculate for the runner: their starting position any changes in direction over the

  76. Biomechanics

    John and Al are in a 15 km race. John averages 4.4 m/s during the first half of the race and then runs at a speed of 4.2 m/s until the last 200m, which he covers at 4.5 m/s. At what average speed must Al run to beat John?

  77. maths

    lan completed part of a race and had 2000m left to run.if he had completed 3/5 of the race,what is the total distance he had to run? Let the total distance be x m since he completed 3/5 of the race, he still has 2/5 of the race to run, but this is supposed

  78. Pre-algebra

    Jack runs 275 miles per day during soccer season. He has already run 25 miles this morning. He plans to run 2.5 miles each day. What is the fewest number of days he will need to reach his goal?

  79. math

    John I'd running in a race. The race is 25miles long. After two hours, John has run 7 miles. How many miles, m, does John have left to run?

  80. science

    A boy runs a 100meter distance race in 20seconds as measured by an observer on earth.how long does it take according to an observer in space ship moving with speed of 0.98c for the boy to complete the run? What is the length of the track according to the

  81. Physics

    Tyler runs the length of a soccer field (100m). A. How much time is required for him to run the full length at speed v? B. If he runs at 6.0 m/s how long does it take tyler to run the length of the field?

  82. alegebra

    the expression m/4 is the distance each person runs in a relay race that is m miles how far does each person run in a relay race that is 12 miles

  83. physics

    In an 8.00 race, one runner runs at a steady 11.8 and another runs at 14.5 .How far from the finish line is the slower runner when the faster runner finishes the race?

  84. Physics

    During a rElay race along a straight ROAD the 1st runner on a three person team runs D1 with a constant velocity v1. The runner then hands off the baton to the sEcond runner who runs d2 with a constant vElocity v2. The batton is then passed to the 3rd

  85. math

    Li is running a race around the school track. He runs 0.327 kilometer during the first half of the race. What is the distance that he travels in the first half of the race, rounded to the nearest hundredths

  86. algebra

    Two persons are to run a race, but one can run 10 meters per second, whereas the other can run 6 meters per second. If the slower runner has a 70-meter head start, how long will it be before the faster runner catches the slower runner, if they begin at the

  87. algebra

    Monique and Jackie start at the same spot and run in the same direction around a quarter mile track. Monique runs at a speed of 14mph, Jackie runs at a speed of 16mph . how long will it take for Jackie to laps monique? (Jackie runs 1 more lap than

  88. Math

    In a 5 km race, Anna swims 450 m, then runs 800 m. She then cycles the rest of the race. How many kilometres does she cycle?

  89. math

    Sophia runs twice as fast as her friend Mia. Mia runs 3 mph. How long will it take Sophia to run 6 miles? 9 miles? 6x6 = 36 9x6 = 54 Am I right? If I am not, please help me with the right answer. Thanks

  90. math

    If Paul runs 6 laps in 7 mins. How long it takes him to run 24 at same rate

  91. physics

    In an 8.00 {\rm km} race, one runner runs at a steady 12.0 {\rm km}/{\rm h} and another runs at 14.0 {\rm km}/{\rm h}.

  92. math

    An athlete runs the first 400m of a 1km race in 42 seconds. If they keep up this pace, how long will it take them to complete the race?

  93. physics

    A speedy tortoise can run at 0.08 m/s, and a hare can run 16 times as fast. In a race, they start at the same time, but the hare stops to rest for 2 min, so the tortoise wins by a shells(20cm). How long does the race take? Answer in units of s

  94. Basic Biomechanics

    John and Al are in a 15 km race. John averages 4.4 m/s during the first half of the race and then runs at a speed of 4.2 m/s until the last 200 m, which he covers at 4.5 m/s. At what average speed must Al run to beat John?

  95. math

    distance from A-B is 40 km.Mandy starts from A at 11 am and Jason starts from B at 1 pm.He walks at 5 km/h and gets to A at the same time as Mandy gets to B.How fast did Mandy walk?

  96. algebra

    Does this look right? Mike runs twice as far as Jim, but Phillip runs three times as far as Jim. If the three of them run a total of 24 miles, how far does each man run? 2m + j = 24 3p + j = 24 I am so wrong aren't I? Can someone help me, please??

  97. Pre-algebra

    Athlete J runs 2/3 of a mile in 8 minutes. Athlete H runs 2 3/4 miles in 1/2 hour. Part A: If Athlete J continues at that speed, how long will it take to run one mile? Part B: How long will it take Athlete J to run 5 miles at that same speed?

  98. Math

    Mandy had three Maths tests and her mean mark is 84.What is the total of Mandy's marks for the three test?

  99. Physics

    A tortoise can run with a velocity of 10 cm/s and hare can run 20 times as fast. In a race they start at the same time but the hare stops to rest for 2 minutes. The tortoise wins by 20 cm. What was the length of the race

  100. math

    jack runs 3miles in 27 minutes at this rate how long will it take him to run 10 miles

Pages

  1. 1
  2. 2
  3. 3
  4. 4
  5. 5
  6. 6
  7. 7
  8. 8
  9. 9
  10. 10
  11. 11
  12. 12
  13. 13
  14. 14
  15. 15
  16. 16
  17. 17
  18. 18
  19. 19
  20. 20