Saturday

April 19, 2014

April 19, 2014

Number of results: 110,320

**Precalculus**

A nautical mile equals the length of arc subtended by a central angle of 1 minute on a great circle on the surface of Earth. If the radius of Earth is taken as 3960 miles, express 1 nautical mile in terms of ordinary, or statute, miles.
*Thursday, January 12, 2012 at 12:39pm by Jillian*

**Physics/Nautical Mile**

Hello Bob, love your analogy about mom's apple pie recipe. Allow me to enter the NM debate at this point. Do you happen to have a good explanation re the origin of the k in knots for "nautical miles per hour"?
*Saturday, October 6, 2007 at 2:56am by Reiny*

**maths**

A ship sails on a steady course bearing 106 degrees from A to B.If B is 76 nautical miles further east than A,find,to the nearest nautical mile,how far the ship has sailed?
*Friday, March 8, 2013 at 3:29am by Shane*

**Physics/Nautical Mile**

The difference in the two latitudes may be due to the oblateness (nonsphericity) of the earth. The plane tangent to local sea level is not perpendicular to a line to the center of the earth, except at the poles and the equator. The same oblateness is the reason for the ...
*Sunday, October 7, 2007 at 4:06am by drwls*

**Physics/Nautical Mile**

That makes sense. BTW, interesting thread.
*Saturday, October 6, 2007 at 2:56am by Reiny*

**Calc**

Two commercial airplanes are flying at an altitude of 40,000 ft along straight-line courses that intersect at right angles. Plane A is approaching the intersection point at a speed of 427 knots (nautical miles per hour; a nautical mile is 2000 yd or 6000 ft.) Plane B is ...
*Tuesday, October 1, 2013 at 11:21am by Anonymous*

**Calc**

Two commercial airplanes are flying at an altitude of 40,000 ft along straight-line courses that intersect at right angles. Plane A is approaching the intersection point at a speed of 427 knots (nautical miles per hour; a nautical mile is 2000 yd or 6000 ft.) Plane B is ...
*Tuesday, October 1, 2013 at 11:27am by Anonymous*

**maths**

A lighthouse is 9.6 nautical miles from a ship which bears 156 degrees from the lighthouse.How far is the ship east of the lighthouse?Give answer correct to one-tenth of a nautical mile.
*Sunday, March 3, 2013 at 3:13pm by Shane*

**calculus**

Two commercial airplanes are flying at an altitude of 40,000 ft along straight-line courses that intersect at right angles. Plane A is approaching the intersection point at a speed of 429 knots (nautical miles per hour; a nautical mile is 2000 yd or 6000 ft.) Plane B is ...
*Thursday, September 27, 2012 at 7:00pm by Avi*

**Physics/Nautical Mile**

It couln't be done until we knew the shape of the Earth with some precision, in particular the semimajor and semiminor axis. WGS 84 is the system that defined these lengths with some precision. With that, the point of curvature could be determined, and thence the distance ...
*Saturday, October 6, 2007 at 2:56am by bobpursley*

**Physics/Nautical Mile**

If you want to explore this in some depth, there are many good introductory books on geophysics, you might call your local library.
*Friday, October 5, 2007 at 8:16am by bobpursley*

**Physics/Nautical Mile**

Goodness. Gestational? It was meant to be gravitational (field strength). I type in the dark, and am losing vision in my left eye. Sorry.
*Friday, October 5, 2007 at 8:16am by bobpursley*

**Whoops**

A MINUTE of latitude is a nautical mile.
*Thursday, January 15, 2009 at 8:17pm by Damon*

**Math!**

At noon, ship A is 50 nautical miles due west of ship B. Ship A is sailing west at 25 knots and ship B is sailing north at 16 knots. How fast (in knots) is the distance between the ships changing at 6 PM? (Note: 1 knot is a speed of 1 nautical mile per hour.)
*Thursday, June 4, 2009 at 10:44pm by <3*

**calculus**

At noon, ship A is 10 nautical miles due west of ship B. Ship A is sailing west at 17 knots and ship B is sailing north at 20 knots. How fast (in knots) is the distance between the ships changing at 4 PM? (Note: 1 knot is a speed of 1 nautical mile per hour.)
*Thursday, September 24, 2009 at 11:55pm by Parker*

**calculus**

At noon, ship A is 10 nautical miles due west of ship B. Ship A is sailing west at 17 knots and ship B is sailing north at 20 knots. How fast (in knots) is the distance between the ships changing at 4 PM? (Note: 1 knot is a speed of 1 nautical mile per hour.)
*Thursday, September 24, 2009 at 11:55pm by Parker*

**Maths**

At noon, ship A is 30 nautical miles due west of ship B. Ship A is sailing west at 16 knots and ship B is sailing north at 22 knots. How fast (in knots) is the distance between the ships changing at 7 PM? (Note: 1 knot is a speed of 1 nautical mile per hour.)
*Thursday, October 15, 2009 at 7:56pm by Salman*

**Math**

At noon, ship A is 30 nautical miles due west of ship B. Ship A is sailing west at 16 knots and ship B is sailing north at 22 knots. How fast (in knots) is the distance between the ships changing at 7 PM? (Note: 1 knot is a speed of 1 nautical mile per hour.)
*Friday, October 16, 2009 at 7:25am by Salman*

**calculus**

At noon, ship A is 30 nautical miles due west of ship B. Ship A is sailing west at 25 knots and ship B is sailing north at 16 knots. How fast (in knots) is the distance between the ships changing at 7 PM? (Note: 1 knot is a speed of 1 nautical mile per hour.)
*Tuesday, October 20, 2009 at 4:38pm by Georgia*

**math**

At noon, ship A is 40 nautical miles due west of ship B. Ship A is sailing west at 18 knots and ship B is sailing north at 23 knots. How fast (in knots) is the distance between the ships changing at 4 PM? (Note: 1 knot is a speed of 1 nautical mile per hour.)
*Saturday, November 7, 2009 at 4:31am by adrienne*

**Calculus**

At noon, ship A is 20 nautical miles due west of ship B. Ship A is sailing west at 23 knots and ship B is sailing north at 17 knots. How fast (in knots) is the distance between the ships changing at 5 PM? (Note: 1 knot is a speed of 1 nautical mile per hour.)
*Monday, March 1, 2010 at 9:27pm by Samuel*

**calculus 1**

At noon, ship A is 50 nautical miles due west of ship B. Ship A is sailing west at 16 knots and ship B is sailing north at 17 knots. How fast (in knots) is the distance between the ships changing at 5 PM? (Note: 1 knot is a speed of 1 nautical mile per hour.)
*Thursday, March 25, 2010 at 3:37pm by Anonymous*

**calculus 1**

At noon, ship A is 30 nautical miles due west of ship B. Ship A is sailing west at 18 knots and ship B is sailing north at 19 knots. How fast (in knots) is the distance between the ships changing at 3 PM? (Note: 1 knot is a speed of 1 nautical mile per hour.)
*Thursday, March 25, 2010 at 11:22pm by mona*

**calculus 1**

At noon, ship A is 20 nautical miles due west of ship B. Ship A is sailing west at 21 knots and ship B is sailing north at 18 knots. How fast (in knots) is the distance between the ships changing at 5 PM? (Note: 1 knot is a speed of 1 nautical mile per hour.)
*Thursday, March 25, 2010 at 11:24pm by mona*

**Calculus**

At noon, ship A is 10 nautical miles due west of ship B. Ship A is sailing west at 19 knots and ship B is sailing north at 15 knots. How fast (in knots) is the distance between the ships changing at 4 PM? (Note: 1 knot is a speed of 1 nautical mile per hour
*Saturday, April 3, 2010 at 8:21am by Anonymous*

**Calculus**

At noon, ship A is 10 nautical miles due west of ship B. Ship A is sailing west at 18 knots and ship B is sailing north at 22 knots. How fast (in knots) is the distance between the ships changing at 6 PM? (Note: 1 knot is a speed of 1 nautical mile per hour.)
*Tuesday, October 26, 2010 at 2:46pm by Sam*

**Calc**

At noon, ship A is 30 nautical miles due west of ship B. Ship A is sailing west at 16 knots and ship B is sailing north at 15 knots. How fast (in knots) is the distance between the ships changing at 7 PM? (Note: 1 knot is a speed of 1 nautical mile per hour.)
*Thursday, October 28, 2010 at 11:35pm by Pierre*

**Calculus**

At noon, ship A is 20 nautical miles due west of ship B. Ship A is sailing west at 22 knots and ship B is sailing north at 18 knots. How fast (in knots) is the distance between the ships changing at 4 PM? (Note: 1 knot is a speed of 1 nautical mile per hour.)
*Sunday, October 31, 2010 at 8:39pm by Anonymous*

**CAL**

At noon, ship A is 30 nautical miles due west of ship B. Ship A is sailing west at 21 knots and ship B is sailing north at 15 knots. How fast (in knots) is the distance between the ships changing at 4 PM? (Note: 1 knot is a speed of 1 nautical mile per hour.)
*Sunday, July 10, 2011 at 4:26am by LAURA*

**CALCULUS**

At noon, ship A is 40 nautical miles due west of ship B. Ship A is sailing west at 23 knots and ship B is sailing north at 19 knots. How fast (in knots) is the distance between the ships changing at 5 PM? (Note: 1 knot is a speed of 1 nautical mile per hour.)
*Monday, October 24, 2011 at 10:07am by CRYSTAL*

**Calc**

At noon, ship A is 50 nautical miles due west of ship B. Ship A is sailing west at 15 knots and ship B is sailing north at 18 knots. How fast (in knots) is the distance between the ships changing at 6 PM? (Note: 1 knot is a speed of 1 nautical mile per hour.)
*Sunday, February 19, 2012 at 3:33pm by Heather*

**calculus**

At noon, ship A is 30 nautical miles due west of ship B. Ship A is sailing west at 15 knots and ship B is sailing north at 21 knots. How fast (in knots) is the distance between the ships changing at 3 PM? (Note: 1 knot is a speed of 1 nautical mile per hour.)
*Thursday, September 24, 2009 at 11:55pm by Cesar*

**PLEASE HELP Math**

At noon, ship A is 40 nautical miles due west of ship B. Ship A is sailing west at 24 knots and ship B is sailing north at 22 knots. How fast (in knots) is the distance between the ships changing at 6 PM? (Note: 1 knot is a speed of 1 nautical mile per hour.)
*Sunday, March 15, 2009 at 10:16pm by Randall*

**math**

At noon, ship A is 40 nautical miles due west of ship B. Ship A is sailing west at 16 knots and ship B is sailing north at 17 knots. How fast (in knots) is the distance between the ships changing at 5 PM? (Note: 1 knot is a speed of 1 nautical mile per hour.)
*Friday, March 26, 2010 at 7:21pm by bob dylan*

**Cal 1**

(1 pt) At noon, ship A is 50 nautical miles due west of ship B. Ship A is sailing west at 20 knots and ship B is sailing north at 23 knots. How fast (in knots) is the distance between the ships changing at 5 PM? (Note: 1 knot is a speed of 1 nautical mile per hour.)
*Wednesday, November 3, 2010 at 7:05pm by TJ*

**Calculus**

1 pt) At noon, ship A is 10 nautical miles due west of ship B. Ship A is sailing west at 19 knots and ship B is sailing north at 21 knots. How fast (in knots) is the distance between the ships changing at 6 PM? (Note: 1 knot is a speed of 1 nautical mile per hour.)
*Saturday, May 5, 2007 at 9:27pm by Anonymous*

**Calculus **

At noon, ship A is 30 nautical miles due west of ship B. Ship A is sailing west at 23 knots and ship B is sailing north at 17 knots. How fast (in knots) is the distance between the ships changing at 4 PM? (Note: 1 knot is a speed of 1 nautical mile per hour.) Please help!
*Sunday, July 28, 2013 at 6:21pm by Anonymous*

**Calculus Please help!**

At noon, ship A is 50 nautical miles due west of ship B. Ship A is sailing west at 18 knots and ship B is sailing north at 23 knots. How fast (in knots) is the distance between the ships changing at 3 PM? (Note: 1 knot is a speed of 1 nautical mile per hour.)
*Friday, February 28, 2014 at 3:02pm by ALI*

**calculus**

(1 pt) At noon, ship A is 50 nautical miles due west of ship B. Ship A is sailing west at 15 knots and ship B is sailing north at 21 knots. How fast (in knots) is the distance between the ships changing at 4 PM? (Note: 1 knot is a speed of 1 nautical mile per hour.)
*Tuesday, March 10, 2009 at 4:18pm by bill nye*

**math**

At noon, ship A is 30 nautical miles due west of ship B. Ship A is sailing west at 21 knots and ship B is sailing north at 15 knots. How fast (in knots) is the distance between the ships changing at 4 PM? (Note: 1 knot is a speed of 1 nautical mile per hour.) this is a cal ...
*Saturday, July 9, 2011 at 9:08pm by lisa*

**math**

At noon, ship A is 30 nautical miles due west of ship B. Ship A is sailing west at 21 knots and ship B is sailing north at 15 knots. How fast (in knots) is the distance between the ships changing at 4 PM? (Note: 1 knot is a speed of 1 nautical mile per hour.) this is a cal ...
*Saturday, July 9, 2011 at 10:26pm by lisa*

**Physics/English/Nautical Mile**

In my previous posts about the NM I think part of my problem is I do not understand the meaning of the word "SUBTENDED". Explanation please. Mike
*Friday, October 5, 2007 at 2:21pm by Mike*

**Physics**

The Nautical Mile is internationally recognised as 1852m which is an approximation of 1' of latitude subtended to the earths surface. However it is an average and the geographical length on the earths surface of 1' of lat subtended will vary according to the radius of the ...
*Friday, October 5, 2007 at 4:45am by Mike*

**calculus**

At noon, ship A is 30 nautical miles due west of ship B. Ship A is sailing west at 25 knots and ship B is sailing north at 25 knots. How fast (in knots) is the distance between the ships changing at 6 PM? (Note: 1 knot is a speed of 1 nautical mile per hour.)
*Monday, May 14, 2012 at 12:28am by remy*

**calculus**

At noon, ship A is 10 nautical miles due west of ship B. Ship A is sailing west at 15 knots and ship B is sailing north at 15 knots. How fast (in knots) is the distance between the ships changing at 3 PM? (Note: 1 knot is a speed of 1 nautical mile per hour.)
*Sunday, November 4, 2012 at 8:25pm by Anonymous*

**calculus**

At noon, ship A is 10 nautical miles due west of ship B. Ship A is sailing west at 15 knots and ship B is sailing north at 15 knots. How fast (in knots) is the distance between the ships changing at 3 PM? (Note: 1 knot is a speed of 1 nautical mile per hour.)
*Sunday, November 4, 2012 at 8:30pm by Anonymous*

**calculus**

At noon, ship A is 10 nautical miles due west of ship B. Ship A is sailing west at 15 knots and ship B is sailing north at 15 knots. How fast (in knots) is the distance between the ships changing at 3 PM? (Note: 1 knot is a speed of 1 nautical mile per hour.)
*Sunday, November 4, 2012 at 11:26pm by Anonymous*

**Precalculus**

Find the distance along an arc on the surface of the earth that subtends a central angle of 1 minute. (1 minute = 1/60 degree) This is a nautical mile. Note that the radius of the Earth is 3960 miles and there are 1760 yards in a mile. Express your answer in both miles and yards.
*Monday, September 10, 2012 at 5:18pm by Greg*

**algebra**

Two ships make the same voyage of 3000 nautical miles. The faster ship travels 10 knots faster than the slower one (a knot is 1 nautical mile per hour). The faster ship makes the voyage in 50 hr less time than the slower one. Find the speeds of the two ships.
*Tuesday, February 21, 2012 at 11:04pm by Krystal*

**Precalculus**

Around the earth is 360*60 = 21600 minutes of arc or nautical miles. 2 pi (3960) = 24881 landlubber miles around the earth 24881/(360*60) = 1.152 landlubber miles/ nautical mile
*Thursday, January 12, 2012 at 12:39pm by Damon*

**chemistry**

Define original. My Bowditch (1966) defined the nautical mile as the British "sea mile", or 1852.3m There were others before that. http://en.wikipedia.org/wiki/Nautical_mile
*Friday, January 7, 2011 at 3:28pm by bobpursley*

**trigonometry**

Sorry I can only do this problem in nautical miles :) (where one degree of latitude is one mile)
*Thursday, January 15, 2009 at 8:17pm by Damon*

**general chemistry**

one international mile is defined as exactly 607601155 ft, and a speed of 1 knot is defined as one international nautical mile per hour.What is the speed in meters per second of a boat traveling at a speed of 14.3 knot?
*Monday, January 21, 2008 at 12:51am by marinka*

**Calc**

If t is measured in hours and f '(t) is measured in knots, then integral from 0 to 2 of f '(t)dt = ? (Note: 1 knot = 1 nautical mile/hour)
*Sunday, January 2, 2011 at 4:27pm by Erica*

**Physics/Nautical Mile**

My previous posts have dramatically improved my understanding of how a NM is derived but other questions have been raised: In most books entitled "Pass your Day Skipper" or "Yachtmaster" or similar nautical/navigational publications Latitude is described and illustrated as the...
*Saturday, October 6, 2007 at 2:56am by Mike*

**IS141**

extended response: Dekendra is keeping a log of the miles she walks each day. So far, she walked 2/3 mileon Saturday, 1 3/4 mile on monday, 1/2 mile on tuesday, 2 1/8 mile on wednesday, 1 5/8 mile on thursday, and 5/6 mile on friday?
*Monday, January 7, 2013 at 8:09pm by Karizma*

**5th grade math**

A square mile is one that is 1 mile by 1 mile. 1 mile * 1 mile = 1 square mile 1/2 * 1/4 = 1/8 square mile
*Wednesday, January 27, 2010 at 5:53pm by Ms. Sue*

**chemistry**

By international agreement, the nautical mile is now defined as exactly 1852 meters. By what percentage does this current definition differ from the original definition?
*Friday, January 7, 2011 at 3:28pm by Anonymous*

**Physics/Nautical Mile**

Hello again Bob, Thanks for your reply. The point that has grabbed my attention now is you refer to the "NEW" definition of the minute of latitude. Things are slowly falling into place at this end. Do you happen to know when the "NEW" definition of latitude was introduced? Mike
*Saturday, October 6, 2007 at 2:56am by Mike*

**Algebra ii**

60 nautical miles = 1° of latitude the town is 90-35.2° or 54.8° from the north pole so the distance to the pole is 54.8(60) nautical miles = 3288 nautical miles = 3288(1.15) or 3781.2 statute miles
*Thursday, November 3, 2011 at 12:22pm by Reiny*

**algerbra**

A taxi company charges $2.40 for the first mile and $1.20 per mile for each additional mile. How much would the bill be for a 15 mile trip?
*Sunday, March 16, 2014 at 10:52pm by mark ingram*

**IS141**

extended response: Dekendra is keeping a log of the miles she walks each day. So far, she walked 2/3 miles on Saturday, 1 3/4 mile on monday, 1/2 mile on tuesday, 2 1/8 mile on wednesday, 1 5/8 mile on thursday, and 5/6 mile on friday? How do i plot the distances on the number...
*Monday, January 7, 2013 at 8:09pm by Karizma*

**Algebra ll**

A lazy row in my dory is at 3 nautical miles/hour. so in t hours I go 3 t nautical miles so my distance y is modeled by the equation y = 3 t
*Saturday, March 8, 2014 at 2:01pm by Damon*

**physics**

while john is traveling along an straight interstate highway, he notices that the mile marker reads 260. john travels until he reaches the 150-mile marker and then retraces his path to the 175-mile marker. what is john's resultant displacement from the 260-mile marker?
*Friday, October 22, 2010 at 10:05pm by Anonymous*

**Physics**

You are thinking correctly. Delta v over delta t expresses acceleration. delta v = 78kts (nautical miles/second) (convert to other units if desired. delta t = 29.8s average acceleration = (78/29.8) nautical miles/sec^2.
*Wednesday, October 3, 2007 at 1:25pm by Quidditch*

**Math Ratio or Proportion**

1 mile x (100/150) = 2/3 mile; i.e., the jogger uses the same calories in 2/3 mile that the walker uses in 1 mile.
*Sunday, February 2, 2014 at 2:20pm by DrBob222*

**Calculus - Optimization **

The cost of fuel for a boat is one half the cube of the speed on knots plus 216/hour. Find the most economical speed for the boat if it goes on a 500 nautical mile trip.
*Wednesday, March 20, 2013 at 6:17pm by Sam*

**Math**

A taxi company charged $4.40 for a 2 mile trip. It charges certain amount for each 1/5 mile traveled. It charges twice as much for the first 1/5 mile. How muchis charged for the first 1/5 mile and each 1/5 mile after the first one?
*Wednesday, February 13, 2013 at 12:06am by James*

**Pre-Algebra**

One hundred nautical miles equals about 185 kilometers. To the nearest kilometer, how far in kilometers is 290 nautical miles?
*Thursday, December 13, 2012 at 10:27pm by Anonymous*

**Physics**

It didn't let me finish writing this. For number 1, option D is 3.0 x 10-10 m. For that question I got B. 2. A student wishes to make a measurement of the road distance from his dormitory to the physics building of his university. she uses her car's trip odometer, which ...
*Friday, January 30, 2009 at 4:01pm by jm*

**trig**

arc length s = rθ 300 = 4000θ 3/40 = θ that is in radians In degrees, that's 180/pi * 3/40 = 4.3° Check: a nautical mile is 1' of latitude, = 1.15 miles. 4.3° * 60'/° * 1.15mi/' =~ 300 mi
*Tuesday, January 24, 2012 at 9:30pm by Steve*

**Physics/Nautical Mile**

There is a geometric center of the Earth, as is there a gravitational center. They are different because of the uneven distribution of the Matter in Earth (Earth does wobble). The center of curvature is indeed different from the center of the Earth, and in fact, for each ...
*Friday, October 5, 2007 at 8:16am by bobpursley*

**Math**

t noon, ship A is 30 nautical miles due west of ship B. Ship A is sailing west at 16 knots and ship B is sailing north at 22 knots. How fast (in knots) is the distance between the ships changing at 7 PM? (Note: 1 knot is a speed of 1 nautical mile per hour.) Note: Draw ...
*Thursday, October 15, 2009 at 4:53pm by Salman*

**Calculus**

At noon, ship A is 50 nautical miles due west of ship B. Ship A is sailing west at 20 knots and ship B is sailing north at 16 knots. How fast (in knots) is the distance between the ships changing at 6 PM? (Note: 1 knot is a speed of 1 nautical mile per hour.) Note: Draw ...
*Sunday, November 22, 2009 at 4:10pm by Bobby*

**math**

5280 feet in a mile 1760 yards in a mile 63360 inches in a mile ???
*Thursday, August 21, 2008 at 6:19pm by Writeacher*

**5th grade math**

What fraction of a square mile is a field that is 1/2 mile long and 1/4 mile wide? How do you figure this?
*Wednesday, January 27, 2010 at 5:53pm by Jill*

**Trigonometry**

Navigation A ship leaves port at noon and has a bearing of S 29° W. If the ship sails at 20 knots, how many nautical miles south and how many nautical miles west will the ship have traveled by 6:00 P.M.?
*Monday, February 4, 2013 at 1:36am by AwesomeGuy*

**Physics/Nautical Mile**

Those drawings are simplified. The only reason that the "new" definition of the minute of latitude being arc disance subtended by one minute from the center of curvature is that satellite mapping has made it possible to accurately map the real Earth Surface. For surface ...
*Saturday, October 6, 2007 at 2:56am by bobpursley*

**math**

joel walked 2/5 of a mile to the store. 3/10 of a mile to the library,and 1/20 of a mile to the post office. how far did he walk
*Tuesday, April 30, 2013 at 10:18pm by Anonymous*

**Physics/Nautical Mile**

http://mathforum.org/kb/message.jspa?messageID=1470195&tstart=0 This is as I learned it many years ago as a seaman.
*Saturday, October 6, 2007 at 2:56am by bobpursley*

**math 3**

Damian run1/10 of a mile. then, he walks 1/10 of a mile. Finally, he jogs 1/10 of a mile. if he continues the pattern, which activity will Damian do next after he finished 1 mile of exercise?
*Thursday, February 7, 2013 at 6:52am by stephy 3*

**geometry**

a taxicab charges $1.45 for the first 1/5 mile and 25 cents for each additional 1/5 mile... determine the cost of a 12 mile trip!!
*Tuesday, August 30, 2011 at 7:02pm by Anonymous*

**math**

Rafael walked mile 2/3 mile and then rode his scooter 5/6 mile. Look at the models to compare the distances. Which distance is farther?
*Wednesday, March 13, 2013 at 7:18pm by Mrs.Vargas*

**physics 2(corection)**

I goofed. The time between seeing the light and hearing the sound is about 5 sec per mile and not 1 sec per mile. therefore 3 sec is a little over 1/2 a mile. But I'll be glad to check your answer. Sound travels at 344 m/s.
*Wednesday, April 9, 2008 at 4:52pm by DrBob222*

**math**

Maggie is getting ready for the one-mile race in June. The first day of practice she ran 1/3 of a mile; the second day she ran 1/2 mile; the third day she ran 5/8 of a mile. Which is closest to her total mileage for the three days?
*Sunday, July 8, 2012 at 8:09pm by Anonymous*

**math**

A furniture store offers a free delivery services to all points within a 7-mile radius. If a customer lives 7 miles east and 1 mile south, how far do they live from the 7-mile boundary?
*Wednesday, January 18, 2012 at 4:25pm by Anonymous*

**homework**

extra credit: a bear walks south 1 mile, east 1 mile, and north 1 mile, and ends up at the starting point. What color is the bear?
*Tuesday, October 2, 2012 at 9:23pm by Steve*

**physics**

AT exactly noon,you pass mile marker 50 in your car.At 2:30pm you pull into a rest stop at mile marker215.What was yor average speed during this time
*Friday, September 2, 2011 at 3:55pm by rally*

**math**

one thousand three hundred twenty feet are what part of a mile. Since there are 5,280 feet in a mile the answer will be 1/4 of a mile. how would you set this up in a fraction?
*Tuesday, July 13, 2010 at 12:37pm by mona*

**math**

Taxi fares are $3.50 for the first half mile and $0.75 fro each addditional quater mile. Write a rule for computing the fare for an n-mile trip by taxi.
*Monday, June 27, 2011 at 6:22pm by Anonymous*

**Physics**

The fastest sustained runner is the pronghorn antelope, capable of running at 55 min/h for 1/2 mile. How long does it take this antelope to run the. 1/2 mile?
*Tuesday, September 11, 2012 at 10:34am by LALA*

**Physics**

i) a. 3 mile b. 0.5 hr ii)a. 0 mile ( no deflection distance) b) 0.2774 hr
*Wednesday, September 29, 2010 at 2:25pm by Semaw*

**Math**

A fraction of a square mile is a field that is a 1/2 mile long and 1/4 mile wide. What is the fraction?
*Friday, August 10, 2012 at 3:27pm by Joe*

**Physics/Nautical Mile**

The NM by definition is something used at sea. In my previous post I established there is a difference in the length of the earths radius at the equator compared to the poles, although it is not clear whether the radius is a measurement of land mass or sea level? Additionally ...
*Friday, October 5, 2007 at 8:16am by Mike*

**algebra**

If you reach a city on interstate and vehicle can travel on 32 mpg. write an inequality that shows the mile makers (m)you can reach from city at mile marker 125 going in either direction,when g is the amount of fuel , in gallons, in your vehicle. explain what this means (east ...
*Thursday, July 7, 2011 at 11:01am by linda*

**math**

If you make everything have the same denominator, then Joel would have walked 8/20 of a mile to the store, 6/20 of a mile to the library, and 1/20 of a mile to the post office. When you add them up, Joel walked 15/20 of a mile or 3/4
*Tuesday, April 30, 2013 at 10:18pm by Serena*

**math**

if a man walked 1/12th of a mile one day 2/12ths of a mile the next day and 3/12ths of a mile the next day on what day did he walk a complete mile
*Thursday, February 23, 2012 at 5:05pm by dave*

**Nautical/Maths**

If the dimensions are nautical miles, or miles, then the triangle covers a large fraction of the curved earth, and different equations of spherical trigonometry must be used. If that is the case, ignore my previous answer. The radius of the earth must be used to solve the ...
*Friday, January 4, 2008 at 3:49am by drwls*

**Spherical Trigonometery**

I am trying to apply the formula cos c = cos a x cos b + sin a x sin b x cos C to find the length of c in my spherical triangle. I am working with 2 examples in a book in which the answers are given. In the first example all the sines & cosines calculated are positive and I ...
*Tuesday, January 15, 2008 at 4:21am by Mike*

**math**

About the skateboarding 5 blocks west and 8 blocks north to get to my friend's house. With a block being equal to 1/8 of a mile in length. Wanting to know how far would I travel in a round trip. I was thinking 8 blocks equal 1 mile because 5,280 feet is a mile and 1/8 of 5,280...
*Thursday, January 8, 2009 at 10:04am by Joy*

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