25,552 results
1. ## algebra

A student runs 100 meters in 11 seconds. What is the speed of the student? speed = distance over time; 1 mile = 1609 meters 9.1 miles per hour 16 miles per hour 20.3 miles per hour 24 miles per hour pls help

2. ## algebra 1

A blue marlin can swim at speeds of about 50 miles per hour. What is that speed in feet per second, to the nearest whole number? (Remember, there are 5280 feet in a mile, 60 seconds in a minute, and 60 minutes in an hour.)

3. ## Math

Which ratio is equivalent to 4/16 A. 2:4•• B. 6 to 20 C. 8:32 D. 12 to 64 Write the ratio as a unit rate. 286 miles in 5 1/2 hours A. 36 miles per hour B. 52 miles per hour •• C. 57.2 miles per hour D. 114.4 miles per hour Which typing time is the

. Sarah wants to arrive at her friend’s wedding at 3:00. The distance from Sarah’s house to the wedding is 95 miles. Based on usual traffic patterns, Sarah predicts she can drive the first 15 miles at 60 miles per hour, the next 10 miles at 30 miles

5. ## Math

The distance require to stop a car varies directly as the square of its speed. If 250 feet are required to stop a car traveling 60 miles per hour, how many feet are required to stop a car traveling 96 miles per hour!

6. ## Algebra

The stopping distance D in feet for a car traveling at x miles per hour is given by d(x)= (1/12)x^2+(11/9)x. Determine the driving speeds that correspond to stopping distances between 300 and 500 feet, inclusive. Round speeds to the nearest mile per hour.

7. ## algebra

Hello there can someone plz check these for me I had a little bit of trouble with them. 1. In the calculations shown, what will the units of the final answer be? 18meters/second×3600 seconds/1 hour ×1 mile/1609 meters A.miles/hour****** B.meters/second

8. ## Math help ms sue.

Multiple Choice 1. Write the ratio in the simplest form. 45:15 (1 point) 9:3 3:1 1:3 4:1 2. Solve the following proportion. r over five equals nine over twenty-one (1 point) r = 2.14 r = 9 r = 11.66 r = 37.8 3. Sarah’s mother has a miniature village

9. ## Math

When sky divers initially fall from an airplane their velocity v in miles per hour after free falling d feet can be approximated by v=60/11√d. (Because of air resistance, they will eventually reach terminal velocity.) How far do sky divers need to fall

1 hour= 3,600 seconds and 1 mile=5,280 feet. Make a conjecture about how you would convert a speed of 15 miles per hour to feet per second. Then convert. Please help answer thx

11. ## Math

Write the ratio as a unit rate 27 miles in 1/2 hour A:13.5 miles per hour B:44 miles per hour C:54 miles per hour D:56 miles per hour My answer is B

12. ## Math- Multi-step word problems

A plane traveling from Phoenix to Washington, D.C with a tailwind of 20 miles per hour takes 3 hours. The return trip in the same wind, which is now a headwind, takes the same plane 3 hours and 12 minutes. What is the average speed of the plane in calm

13. ## Math

Javier rides his bicycle at a rate of 15 miles per hour. How many feet are in 15 miles?

14. ## math

A woman drove to work at an average speed of 40 miles per hour and returned along the same route at 30 miles per hour. If her total traveling time was 1 hour, what was the total number of miles in the round trip?

15. ## Pre-calc

a driver averaged 50 miles per hour on the round trip between akron, oh and Columbus, oh, 100 miles away. The average speeds for going and returning were x and y miles per hour, respectively. a. show that y=25x/x-25 b. determine the vertical and horizontal

16. ## math

convert 60 miles per hour to feet per second. (Hint: there are 5280 feet in a mile.

17. ## Math

Amanda can run 4/5 of a mile in nine minutes express her speed as a unit rate in miles per hour 9 4/5 Miles per hour 15 miles per hour 5 1/3 miles per hour 3 1/5 miles per hour

18. ## Math

1) A car is traveling at a rate of 70 miles per hour. what is this speed in feet per minute. 2) Nina can braid 28 inches of rope in 1 hour. What is her speed in feet per hour? I am studying but I don't understand these questions. I have test tomorrow.

19. ## biotech college

What is 29 miles per hour in units of m/s? 1 mile is 5280 feet, 1 meter is 3.3 feet, 1 hour is 60 minutes, and 1 minute is 60 seconds.

20. ## Algebra

Sarah's mother has a miniature village modeled after her home town. The model is 10 feet long and 7 feet wide. The actual village is 7 miles long. What is the village's actual width? I just want to know if I should convert the feet to miles at one point.

21. ## Biology

Why is it difficult to convert miles to yards or feet?

22. ## Math- Multi-step word problems

A canoe in still water travels at a rate of 10 miles per hour. The current today is traveling at a rate of 3 miles per hour. If it took an extra hour to travel upstream, how far was the trip one way? about 14 miles about 15 miles about 16 miles about 17

23. ## Math

two trains are traveling toward each other adjacent tracks. one of the trains 230 feet long and is moving at a speed of 60 miles per hour. The other train is 220 feet long and is traveling at the rate of 70 miles per hour. Find the time interval between

24. ## Physics

A bus started out going 20 miles per hour on the highway. One hour later it drove 40 miles per hour on the freeway. How long did it take to go 140 miles?

25. ## math

This is an SAT prep question. A woman drove to work at an average speed of 40 miles per hour and returned along the same route at 30 miles per hour. If her total traveling time was 1 hour, what was the total number of miles in the round trip?

Convert 45 miles per hour to feet per hour. Round your answer to the nearest hundredth, if necessary.

27. ## physics

. Compared a car (mass of 2000 kg) moving at 10 miles per hour, how much kinetic energy (in Joules) does that same car have when it moves at 20 miles per hour? At 50 miles per hour? 75 miles per hour?

28. ## physics

The speed of a space shuttle is 3.2×10^6 cm/s. Convert this into miles per hour (mph) using only 12 inches/ft, 60 seconds/min, 60 minutes/hour, and 1 inch = 2.54 cm. Factor Analysis must be used. Express your result to three significant digits and in

29. ## Math Algelbra

Joy has to get from her house to the park,which is 10 miles away.If she walks,she can go 4 miles per hour.If she rides her bike,she can go 10 miles per hour.And, if she rides a car she can travel 40 miles per hour.How long will it take her to get to the

30. ## Math

Avi drove from his home to college 60 miles per hour. Returning over the same route, there was a lot of traffic, and he was only able to drive at 40 miles per hour. If the return trip took one hour longer, how many miles did he drive each way.

31. ## Math

Multiple Choice 1. Write the ratio in the simplest form. 45:15 (1 point) 9:3 3:1 1:3 4:1 2. Solve the following proportion. r over five equals nine over twenty-one (1 point) r = 2.14 r = 9 r = 11.66 r = 37.8 3. Sarah’s mother has a miniature village

32. ## college physics

the speed of light is about 3.00 x 10^8 m/s. convert this figure to miles per hour

33. ## Math

A cyclist bikes x distance at 10 miles per hour and returns over the same path at 8 miles per hour. What is the cyclist’s average rate for the round trip in miles per hour?

34. ## math

45 miles = ? feet _______ __________ 1 hour 1 second what is the feet ?

35. ## Math

1 hour= 3,600 seconds and 1 mile=5,280 feet. Make a conjecture about how you would convert a speed of 15 miles per hour to feet per second. Then convert. Please help answer thx

36. ## Algebra

One hour = 3,600 seconds and 1 mile= 5,280 feet. MAke a conjecture about how you could convert a speed of 15 miles per hour to feet per second. Then convert please help answer

37. ## Math

Convert 1.584 feet per hour to miles per hour (mph)

39. ## Trigonometry- Help!

After one hour in flight, an airplane is located 200 miles north and 300 miles west of the airport. What is the magnitude of the plane's velocity? Round your answer to the nearest mile per hour. a) 22 miles per hour b) 128 miles per hour c )256 miles per

40. ## Chem

2.) convert 200.46 miles per hour to km/s 5.) convert 1.745 * 10^-5 m^3 to pints. 7.) convert 1.5 square miles to dm^2.

41. ## Math

Given 1 mile=1760 yards convert 6,688 yards to miles. Now convert it to feet I know I've asked this already but I couldn't find the post to check. 3.7 miles and 20064 feet

42. ## Physics Conservation of Energy

A car traveling at 20 miles/hour stops in a distance of 15 feet when its brakes are locked. Assuming that the frictional force doesn't depend on speed, that same car traveling at 60 miles/hour will stop in a distance closest to a. 15 feet b. 45 feet c. 90

43. ## Pre-Algebra Checkk

1. Convert the rate using dimensional analysis. 30 miles/hour = _______ feet/second a. 0 b. 44 c. 43 d. 2 answer: b 2. Convert the rate using dimensional analysis. 16 feet/second = _____ yards/minute a. 240 b. 120 c. 10 d. 320 answer: b Can someone check

44. ## MATH

HOW LONG WILL IT TAKE A CAR BEING DRIVEN AT A SPEED OF 15 MILES PER HOUR TO TRAVEL 26,400 FEET? AN OBJECT MOVING AT A RATE 0F 15 MILES PER HOUR TRAVELS 22 FEET IN ONE SECOND.

45. ## Math Help

A paintball gun shoots a ball at 88 feet per second. Convert this to miles per hour. Use 1 mile = 5280.

46. ## Math

Given 1 mile= 1,760 yards convert 6,688 yards to miles. Now convert it to feet. 3.8 miles and 20064 feet.

47. ## Math

How many feet are in a mile? You can find these conversions on google by simply typing what you need to convert. For instance, "convert miles to feet" 1 mile = 5,280 feet

48. ## maths

A motorist travels 120 miles to his destionation at an average speed of 60 miles per hour and returns to the starting point at an average speed of 40 miles per hour.His average speed for the entire trip is 1. 53 miles per hour 2. 52 miles per hour 3. 50

49. ## Physics

Calculate the acceleration of a Porsche when he goes from 0 miles/hr to 40 miles/hr in 5.6 seconds. (should I convert 40 miles per hour to miles/second?)

50. ## math,help

how do you convert miles to feet. what formula do i use. one mile=5280feet so you would multiply the number of miles to 5280 to get feet thank you

51. ## Math

If 60 miles per hour is equivalent to a speed of 88 feet per second, express a speed of 45 miles per hour in feet per second. feet/sec

52. ## Math HELP!

Find the unit rate. Rounf to the nearest tenth, if necassary. 344 miles is 11 hours A. 344 miles/hour B. 3,784 miles/hour C. 0.03 mile/hour D. 31.27 miles/hour Is the answer a?

53. ## Math

4.)Find the unit rate. Round to the nearest tenth, if necessary. 344 miles in 11 hours A.)344 Miles/Hour B.)3,784 Miles/Hour C.)0.03Miles/Hour D.)31.27 Miles/Hour Is My Anwser C.)0.03Miles/Hour? If not can you explain why? & if so Thank You

54. ## college physics

In Physics we often use meters per second as the units of velocity, rather than miles per hour. Convert 1 meter per second to miles per hour to get an idea of how these units compare. Please help me by showing me step by step so I can understand it better.

55. ## Math

Convert 2,640 feet per hour to miles per hour (mph) A) 5 mph B) 0.05 mph C)18 mph D) 0.5 mph

56. ## Math

One lap around the school’s track iscanvasmile. It takes Alexcanvashour to run one lap. What is Alex’s unit rate, in miles per hour, around the track? A 1/3 per hour B 3 miles per hour C 4 miles per hour D 12 miles per hour

57. ## math

The track at Oak Middle School is 14 of a mile for each lap. Jacob walked around the track and completed 7 laps in 30 minutes. What is the unit rate of Jacob's speed? Answer Choices 1.75 miles per hour 3.5 miles per hour 4.28 miles per hour 14 miles per

Daniel is climbing up a cliff at a rate of 2 meters per minute. What is his rate in feet per hour? A. about 36.6 feet per hour B. about 98.4 feet per hour C. about 197 feet per hour D. about 394 feet per hour

Daniel is climbing up a cliff at a rate of 2 meters per minute. What is his rate in feet per hour? A. about 36.6 feet per hour B. about 98.4 feet per hour C. about 197 feet per hour D. about 394 feet per hour

60. ## Math

To convert miles per hour to feet per second, which conversion factor would not be used? a. 1 hr/60 min b. 1 min/60 sec c. 5280 ft/1 mi d. 1 mi/5280 ft

61. ## math

On a 9-hour trip home from winter break, Mary was forced to drive on a stretch of highway that had a lot of construction. At first she had to go 55 miles per hour for a certain amount of time, but then she was able to go 65 miles per hour for the rest of

62. ## math

Two professional drag racers are speeding down a 1/4-mile track. If the lead driver is traveling 1.738 feet for every 1.670 feet that the trailing car travels, and if the trailing car is going 198 miles per hour, how fast in miles per hour is the lead car

63. ## Math

You walk at 4 miles per hour for 1/2 hour, and then jog at 6 miles per hour for h hours. The total distance that you cover both walking and jogging is 6 miles. Write an equation that represents this situation.

64. ## math

substitute to find the value of the expression. A train must cover a distance of 2398 miles. The velocity, in miles per hour, of the train is where t is the time,in hours, to complete the trip. If the train completes the trip in 22 hours what is it's

65. ## math

Two helicopters leave Springfield, IL at the same time. One travles north at 27 miles per hour and the other travels west at 120 miles per hour. How far apart are they after 3 hrs? (Hint: Use d=rt to find the distance traveled by each helicopter.) I know

66. ## Physics

A bus started out going 20 miles per hour on the highway. One hour later it drove 40 miles per hour on the freeway. How long did it take to go 140 miles? Is the correct answer 3.5 minutes.

67. ## Physics

A bus started out going 20 miles per hour on the highway. One hour later it drove 40 miles per hour on the freeway. How long did it take to go 140 miles? Is the correct answer 3.5 minutes.

68. ## Physics

A bus started out going 20 miles per hour on the highway. One hour later it drove 40 miles per hour on the freeway. How long did it take to go 140 miles? IS THE CORRECT ANSWER 3.5MILES PER HR??????????

69. ## Physics

A bus started out going 20 miles per hour on the highway. One hour later it drove 40 miles per hour on the freeway. How long did it take to go 140 miles? Is the correct answer 3.5 minutes.

70. ## math

an airline flies two different planes over the same route. THe faster of the two plans travels at 540 miles per hour, and the toher plane tralves at 450 miles per hour. How many more can the faster plane travel in 12 seconds than the slower plane? (Im

71. ## College Math

The posted speed limit on many U.S. highways is 65 miles per hour. What is this speed in feet per second? My answer was 5720 feet per second. The other answers that would be a possibility are: (A)3600 feet per second, (B)95 1/3 feet per second, (C) 5720

72. ## math

The Zalinsky family can drive the 220 miles to their cabin in 4 hours at 55 miles per hour. Son Jeff claims that they could save half an hour if they drove 65 miles per hour, the speed limit. How long will it take the family if they drive 65 miles per

Chan drove for X miles at 45 miles an hour, Y miles at 60 miles an hour, and Z miles at 55 miles an hour. Which expression can be used to find the total numbers of hours that Chan drove? A. (45+60+55)(XYZ) B. 45X + 60Y + 55Z C. (45+60+55)/XYZ D. X/45 +

74. ## Algebra

Yes. The car will travel 40 miles in an hour. A certain Car Travels 14 miles in 21 minutes. If the car continues at the same speed how many miles can it go in 1 Hour One way to solve this problem is by setting up a proportion. Let x = the miles the car can

75. ## math

two airplanes left the same airport traveling in opposite direction. if one airplane averages 400 miles per hour and the other airplane averages 250 miles per hour, in how many hours will the distance between the two planes be 1625 miles? Does it help to

76. ## Algebra

How do I convert 40 miles per hour into miles per second?

77. ## Math

Convert 6.2 feet per minute to feet per hour

78. ## Math

Given 1 mile=1760 yards convert 6,688 yards to miles. Now convert it to feet

79. ## Chemistry

convert 33 miles/hour to meters/minute

80. ## Math

6. Columbus' ships covered approximately 144 miles a day. How many miles would they have traveled in nine days? What was the average speed per hour? If there were two days when the weather did not permit movement, how many miles a day would they have to

81. ## math

andys average driving speed for a 4-hour trip was 45 miles per hour. during the first 3 hours he drove 40 miles per hour. what was his average speed for the last hour of his trip? The trip length was 4 x 45 = 180 miles. He went 3x40 = 120 the first three

82. ## math

A traveler travels on a highway 80 miles at 55 miles per hour, he then travels back on the same highway at 45 miles per hour. What was his average rate of speed. (Hint: it's not 50 miles per hour) If it's not 50, i'm so confused!!! Please help!!! (and

83. ## Pre-Calc

a driver averaged 50 miles per hour on the round trip between akron, oh and Columbus, oh, 100 miles away. The average speeds for going and returning were x and y miles per hour, respectively. a. show that y=25x/x-25 b. determine the vertical and horizontal

84. ## Physics kinematics

The break of a car can slow it down from 60 miles per hour to 40 miles per hour in two secs how long it bring the car to a stop from an initial velocity of 25 miles per hour at the same acceleration

85. ## math

convert 50 miles per hour in feetvper second(round to the nearest whole.)

86. ## Math

Convert 500feet/minute to miles/hour. I don't know how to do this

87. ## Metric System

I have two queations that have to do with the metric system: 1- What connections can you identify between the metric units for length and volume? 2- Why is it difficult to convert miles to yrads or feet? Thanks in advance for your help! 1- What connections

88. ## Math

If a boat travels at 5 miles per hour, how many feet per second does it travel? Round your answer to two decimal places if necessary. 26400 feet per second

89. ## Math

Can you show me a example of how to convert feet to miles?

90. ## math

A cyclist bikes x distance at 10 miles per hour and returns over the same path at 8 miles per hour. What is the cyclist's average rate for the round trip in miles per hour? ( please help me ! )

91. ## math

if a man travels r miles and hour for h hours and s miles an hour for t hours, what is his average rate in miles per hour for the ENTIRE distance traveled? a. rh+st b. r/h+s/t c. rh+st/2 d. rh+st/h+t is the answer b?

92. ## math

18. A cyclist bikes x distance at 10 miles per hour and returns over the same path at 8 miles per hour. What is the cyclist's average rate for the round trip in miles per hour?

93. ## algebra 1

What is the speed, in miles per hour, of a toy car that runs 40 feet in 8 seconds? Round your answer to the nearest whole number. (1 hour = 3600; 1 mile = 5280 ft)

94. ## Math

1. Cate went on a trip of 120 miles at x miles per hour. Returned over same route at 5miles/hour faster than previous rate.If time for return trip was one-third of an hour less than time for the outgoing trip,how do you find x? (Set up the chart right, and

95. ## Physics! Help!

Vector A, a wind velocity vector, has a magnitude of 20 miles per hour and is blowing toward the North. A second wind velocity vector, Vector B, has a magnitude of 50 miles per hour and is blowing toward the Southeast. A third wind velocity vector, Vector

96. ## Physics

Vector A, a wind velocity vector, has a magnitude of 20 miles per hour and is blowing toward the North. A second wind velocity vector, Vector B, has a magnitude of 50 miles per hour and is blowing toward the Southeast. A third wind velocity vector, Vector

97. ## math

how do you convert miles to feet in the U.S. customary system?

98. ## math (pLZ HELP ASAP)

A train averages a speed of 90 miles per hour across the plains and 37.5 miles per hour through the mountains. If a trip of 300 miles took 3 hour and 48 minutes, how much of it was through the mountains?

99. ## MATH!!

In algebra right now, we're doing inverses and stuff. And I'm not sure if this problem can be solved with using an inverse formular, or just solved regularly.... Brian is rowing in a marathon. When rowing downstream, he is traveling at a rate of 10 miles

100. ## Math

Runner runs 8 miles at 5 miles per hour, then another 2 miles at 7 miles per hour, find average speed.