
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
asked by cymantha on November 20, 2006 
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
asked by Karla on May 6, 2016 
mathsword 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!
asked by eluma on May 13, 2016 
mathshelp 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
asked by eluma on May 13, 2016 
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
asked by Lorine on September 24, 2014 
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
asked by Lorine on September 24, 2014 
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?
asked by Anonymous on January 30, 2011 
math
Michelle runs 400 metersin 1 minute. if she completes in the 100meter race,about how many seconds will it take her to run the race?(explain how you got your answer)
asked by Anonymous on January 30, 2011 
math
michelle runs 400 meters in 1 minute. if she completes in the 100meter race , about how many seconds will it take her to run the race?(explain how you got your answer)
asked by rm on January 30, 2011 
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
asked by Arnau on April 30, 2013 
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
asked by Simone on August 25, 2012 
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
asked by Stella on February 2, 2012 
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
asked by kris on January 29, 2012 
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
asked by Kelly on September 20, 2012 
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?
asked by Whitney on February 2, 2010 
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
asked by JP on September 22, 2011 
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
asked by Nicola on February 7, 2013 
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
asked by joy on November 3, 2011 
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
asked by Chan on September 24, 2009 
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
asked by Wesley on September 9, 2011 
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?
asked by Rose on January 13, 2011 
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.
asked by Anonymous on September 7, 2016 
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?
asked by philip!!! on April 11, 2016 
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
asked by Olivia on September 29, 2015 
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
asked by john on November 5, 2015 
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?
asked by sdfgganother question on April 17, 2012 
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
asked by Joe on September 19, 2012 
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
asked by indira on April 13, 2017 
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
asked by JG on September 22, 2014 
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.
asked by Anonymous on April 3, 2018 
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?
asked by Iris on January 27, 2013 
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?
asked by Domonique on September 1, 2011 
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
asked by karen on September 11, 2014 
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
asked by alex on September 21, 2014 
math
The track coach plans to make 8 lanes each 1meter 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
asked by Raheem on December 9, 2011 
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?
asked by Kim on August 30, 2014 
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 .
asked by anonymous on October 14, 2012 
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
asked by Olivia on September 30, 2015 
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
asked by Lynmarie on October 15, 2010 
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
asked by Alex on January 6, 2015 
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?
asked by Walter on September 29, 2013 
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?
asked by Walter on September 27, 2013 
math
distance from AB 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?
asked by wan on October 20, 2012 
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
asked by shiva on April 3, 2007 
Prealgebra
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?
asked by rosalind on November 2, 2011 
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?
asked by Christopher on September 28, 2015 
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?
asked by Tommy on June 12, 2015 
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?
asked by Nancy on September 17, 2015 
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?
asked by S on October 15, 2017 
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
asked by euro on September 2, 2015 
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?
asked by AZ on September 11, 2011 
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
asked by Walter on September 30, 2013 
5th Grade Math
Nick and Isaiah both run a mile. Nick runs in 8 minutes and Isaiah runs it in 10 minutes. How long would it take Nick to run pass Isaiah for a second time. I think the answer is 16 mintues. The LCM =40
asked by Sally on November 5, 2009 
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?
asked by smarth on September 21, 2011 
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
asked by please help me out!!!! on February 13, 2013 
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
asked by please help me out!!!! on February 14, 2013 
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
asked by Tim on February 11, 2015 
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
asked by joseph on November 28, 2006 
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
asked by John scott on September 11, 2015 
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
asked by John scott on September 11, 2015 
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?
asked by Bob on February 11, 2011 
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?
asked by Whydoyouwannaknow on December 6, 2019 
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??
asked by Jessica Fuentes on December 9, 2010 
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
asked by Emily on September 30, 2010 
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?
asked by Kevin on November 16, 2012 
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
asked by Walter on September 29, 2013 
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.
asked by billy on September 2, 2014 
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?
asked by Kevin on November 16, 2012 
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
asked by Anonymous on November 24, 2011 
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,
asked by kymy on January 19, 2015 
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 70meter head start, how long will it be before the faster runner catches the slower runner, if they begin at the
asked by Anonymousjm on October 28, 2012 
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 99meter head start, how long will it be before the faster runner catches the slower runner, if they begin at the
asked by Quencie on May 6, 2014 
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
asked by alejandro on February 18, 2013 
Math
Mandy had three Maths tests and her mean mark is 84.What is the total of Mandy's marks for the three test?
asked by Luisa on May 17, 2018 
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
asked by Robert on May 6, 2007 
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
asked by mark on October 19, 2017 
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,
asked by Iana on November 11, 2014 
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
asked by DA WOOK on August 30, 2015 
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
asked by Misha on September 15, 2009 
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 35N force due to air
asked by Bob on February 27, 2012 
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?
asked by Winston on October 23, 2016 
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?
asked by Anonymous on July 14, 2012 
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'
asked by teresa on October 21, 2015 
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
asked by RVE on May 14, 2015 
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
asked by Karen on September 22, 2015 
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
asked by Anonymous on August 7, 2012 
math
jack runs 3miles in 27 minutes at this rate how long will it take him to run 10 miles
asked by ajia on April 5, 2016 
math
If Paul runs 6 laps in 7 mins. How long it takes him to run 24 at same rate
asked by Susie on December 13, 2019 
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?
asked by sarah on July 21, 2013 
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
asked by Anonymous on November 24, 2011 
marketing
The total profit approach to evaluating possible productmarket 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
asked by Andrew on January 26, 2013 
Physics
(a) In 2009, Usain Bolt ran the last 100 meters of the 150meter race in 8.70 seconds. What is Usain Bolt’s speed? (b) The world record for the 100meter dash is 9.58 seconds (Bolt, 2009). Use the speed from part (a) as his maximum velocity. Assume a
asked by Tom on January 25, 2016 
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?
asked by Rocky on November 7, 2015 
math
You are a member of your high school track team and you specialize as a longdistance runner. Your event is the 1500meter run, also known as the metric mile, which you run at a constant rate. During one particular 1500meter race you are 1200 meters from
asked by Anonymous on February 25, 2014 
Physics
In an 8.00 km race, one runner runs at a steady 12.0 km/h and another runs at 14.6 km/h
asked by S on October 15, 2017 
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}.
asked by Anonymous on October 13, 2011 
Economics
A longrun supply curve is flatter than a shortrun supply curve because A. firms can enter and exit a market more easily in the long run than in the short run. B. longrun supply curves are sometimes downward sloping. C. competitive firms have more
asked by Bob on November 29, 2011 
math
A race car can travel 3 laps in 10 minuets. How long would it take the race car to complete a 120 mile long race?
asked by dee on August 31, 2012 
Math
Ray runs at a speed of 6 1/2 miles. How long will it take him to run a track that's 12 7/10 miles long???
asked by Anonymous on January 16, 2012 
trig.
Jack and Jill ran a 400 meter race. Jill ran therace in 50 second and won by 5 meters; that is Jack had run only 295 meter when Jill crossed the finish line. They decide to race again,but this time Jill starts 5 meters behind the starting line. Assuming
asked by Anonymous on December 7, 2007