Wednesday

April 16, 2014

April 16, 2014

Number of results: 255,401

**math (distance problem)**

The points A, B, C, D, and E are located on a straight line in order. The distance from A to E is 20cm. The distance from A to D is 15cm. The distance from B to E is 10cm. C is halfway between B and D. Find the distance from A to C.: * 2.5 cm 5 cm 10 cm 12.5 cm
*Saturday, September 22, 2007 at 10:05am by anonymous*

**math (distance problem)**

Draw a sketch and think it through, one statement at a time. The first tells you that the total length is 20 cm. The second tells you that D is 5 cm from the the right end (E). The third tells you that B is 10 cm from each end (and in the middle). The fourth tells you where to...
*Saturday, September 22, 2007 at 10:05am by drwls*

**MATH**

I have no idea on how to get started. If you do not consider air resistance, gravity causes a falling object to descend a distance of (9.8)t2 where t is the time in seconds. If a 16 pound bowling ball is dropped from the tallest building in the world, how many meters does it ...
*Monday, January 23, 2012 at 10:32pm by Challenge Problem Math Help Please*

**math**

what is a word problem for 2x-4=8?
*Tuesday, September 28, 2010 at 7:59pm by MATH*

**sydney**

how would you solve this problem cos(theta)/2=1/6
*Sunday, March 20, 2011 at 11:47am by math*

**Math**

you are using 2/5 but the problem say 3/5
*Monday, November 29, 2010 at 8:19pm by math *

**math**

sory a mistake, the corect one problem is find all nonnegative integer solutions of the system x+y<8 x+Z<8 t+y<8 z+t<8
*Monday, July 8, 2013 at 10:11am by math*

**math**

In the addition problem at the bottom, the sum of the two digits represented by B and C is ?. Each time the same letter appears it represents the same digit.) help
*Thursday, December 5, 2013 at 10:10pm by math*

**math**

In the addition problem at the bottom, the sum of the two digits represented by B and C is ?. Each time the same letter appears it represents the same digit) 2BA +C6D____ 8AD
*Thursday, December 5, 2013 at 10:18pm by math*

**jake**

The point (0,1) has the distance ____, from the line defined by y=-2x-1 How do you solve this? I tried the pythagorean theorem but I don't think I did it right as I came out with the square root of two. Can someone please explain this to me.
*Thursday, October 7, 2010 at 10:39pm by math*

**liz**

You build a box that is 4 feet long, 5 feet wide, and 8 feet high. The distance from the top left front corner to the top right back corner is ______. I tried a²= 4² + 5² a²= 41 d² = 41 + 8² d²= 105 d=+- 10.25 is this right?
*Friday, October 8, 2010 at 5:04pm by math*

**Airplane & Radar**

(Airplane & Radar) An airplane is flying (horizontally) at the height of 6 km on a flight path that will take it directly over a radar tracking station (on ground). If the distance D between the plane and the radar is decreasing at a rate of 300 km/hr, find the speed of the ...
*Thursday, December 15, 2011 at 5:08pm by math*

**kate**

can someone please help me solve this problem with the steps. A small can of juice contains 16 fl oz. A large can has twice the base circumference of the first. How much juice is in the large can if both cans are right circular cylinders and the second can is similar to the ...
*Sunday, December 20, 2009 at 1:31pm by math*

**Matthew**

Simplify: 5x{24-19)x[25+23)divided by 12-(9-7)} Please help! Subject is algebra. sorry- please help! Am I working the problem correctly? IS THE ANSWER 50? 5x{24-19)x(25+23)divided by (12-(9-7)) = (5x5x48)/(12-2) = (25 x 48)/10 = ? No, the answer is not 50. As best as I can ...
*Wednesday, February 14, 2007 at 5:54pm by Math*

**kaley**

find the points at which the graph of 4x^2 - 4x + 12y^2 -6y = 10 has a vertical and horizontal tangent line. For the vertical only solve for y and for the horizontal only solve for x. I got the deriviative to be: (8x-4)/(-24y + 6). For the horizontal, x = 1/2 For the vertical ...
*Monday, November 2, 2009 at 9:00pm by math*

**ryan**

You propose to build a space ship that allows the entire population of the United States (280 million) to leave earth. Your plans allocate an average space of 1,000(=10*10*10) cubic feet to each person. You space ship is going to have the shape of a sphere. The radius of you ...
*Friday, October 8, 2010 at 5:07pm by math word problem*

**Math **

3. A textbook weighs 2.5 pounds. How many kilograms does the textbook weigh? Round your answer to the nearest tenth of a pound. 1kg = 2.2 lb 1.1 kg 1.8 kg 5.5 kg 4.7 kg (my answer) 5. Solve the proportion using cross products 18/20 = k/110 A. 99 B. 122 C. 3.3 ( my answer) D. 2...
*Friday, March 7, 2014 at 11:45am by Easy Math problem *

**Math**

Thank you for 7 and 3 is 1.1 kg and 5 I just don't get
*Friday, March 7, 2014 at 11:45am by Easy Math problem *

**Math**

Is 5. 2.9
*Friday, March 7, 2014 at 11:45am by Easy Math problem *

**Math**

5. Solve the proportion using cross product 18/20 = k/110 A. 99 (my answer) B. 122 C. 33 D. 2.9 (my answer) The reason why I picked 2 of them were because I'm stuck between the two
*Wednesday, March 12, 2014 at 10:36am by Easy Math problem *

**Math**

Thank u so much
*Wednesday, March 12, 2014 at 10:36am by Easy Math problem *

**distance problem**

Suiz drove home at 60mph, but her brother jim, who left at the same time, could only drive at 48mph. when suzie arrived, jim still had 60 miles to go. how far did suzie drive? Please show work
*Sunday, March 8, 2009 at 3:47pm by Cory*

**distance problem**

A car travels 20 km/h faster than a truck. The car covers 360 km in 3 hours less time than the truck.Find the speed of the truck. (kindly write the solution, thanks alot)
*Monday, December 17, 2012 at 7:20am by HELP HELP MNHS*

**distance problem**

vc = vt + 20 tc = tt - 3 360 = vc tc = (vt+20)(tt-3) 360 = vt tt so tt = 360/vt 360 = (vt+20)(360/vt - 3) 360 vt = (vt+20)(-3 vt +360) 360 vt = -3 vt^2 -60 vt + 360 vt + 7200 3 vt^2 + 60 vt -7200 = 0 vt^2 + 20 vt - 2400 = 0 (vt+60)(vt-40) = 0 vt = 40
*Monday, December 17, 2012 at 7:20am by Damon*

**distance problem**

sir what do you mean by vt and tt, vc and tc... tnx....
*Monday, December 17, 2012 at 7:20am by HELP HELP MNHS*

**distance problem**

sir what do you mean by vt and tt, vc and tc... tnx....
*Monday, December 17, 2012 at 7:20am by HELP HELP MNHS*

**Algebra distance problem**

I can't figure this one out During a trip, a canoe travles 47 miles at r speed. The second part of the trip the canoe travels 9 miles, but 5 mph slower. The total trip is 5 hrs. What is the speed of each part of the trip? I start with 47/r+9/r-5=5hrs Then I multiply both sides...
*Thursday, February 7, 2008 at 5:46pm by Marysvoice*

**Algebra distance problem**

Maybe- 47x5r=235? 47r-235+9r=5r-4r? Quadratic- 5r^2-60r+235=0???
*Thursday, February 7, 2008 at 5:46pm by Marysvoice*

**Algebra;distance problem**

2. An express and local train leave Grayâ€™s Lake at 3 P.M. and head for Chicago 50 miles away. The express travels twice as fast as the local, and arrives 1 hour ahead of it. Find the speed of each train.
*Sunday, July 27, 2008 at 11:13am by Therese*

**Algebra;distance problem**

Whatever you tried to cut and paste will have to be typed. Try again
*Sunday, July 27, 2008 at 11:13am by drwls*

**Algebra 2 (Distance Problem)**

A train leaves Union Station for Central Station, 216 km away, at 9 A.M. One hour later, a train leaves Central Station for Union Station. They meet at noon. If the second train had started at 9 A.M., and the first train at 10:30 A.M., they would still have met at noon. Find ...
*Wednesday, October 5, 2011 at 12:24am by Peter*

**Algebra 2 (Distance Problem)**

Let c be the speed of the train leaving Central Let u be the speed of the train leaving Union The total distance in either case is 216 km. 3u + 2c = 216 1.5c + 3u = 216 Solve these and you get c=54 u=36
*Wednesday, October 5, 2011 at 12:24am by Steve*

**MATh (distance)**

Kesha dove from Buffalo to Syracuse at an average rate of 48miles per hour. On the return trip along the same road she was able to travel at an average rate of 60 miles per hour.The trip from Buffalo to Syracuse took one- half hour longer than the return trip. How long did the...
*Thursday, October 13, 2011 at 4:55pm by Tiffany *

**MATh (distance)**

If d is the distance, then the time it took at 48mph is d/48 the time it took at 6mph is d/60 d/48 = d/60 + 1/2 d(1/48 - 1/60) = 1/2 d/240 = 1/2 d = 120 time at 48mph = 2.5 hr time at 60mph = 2 hr
*Thursday, October 13, 2011 at 4:55pm by Steve*

**MATh (distance)**

let the distance between Buffalo and Syracuse be d miles time for trip from B to S = d/48 time for trip from S to B = d/60 d/48 - d/60 = 1/2 times 240 , the LCD 5d - 4d = 120 d = 120 miles between the two cities. so return trip took 120/60 = 2 hrs
*Thursday, October 13, 2011 at 4:55pm by Reiny*

**Distance Problems**

A bus and a car leave the same place and travel in opposite directions. If the bus is traveling at 50 mph and the car is traveling at 55 mph, in how many hpurs will they be 210 miles apart. Again please help me with the boxes, Im in advanced math and I'm not good with the ...
*Tuesday, November 4, 2008 at 7:34pm by Amir*

**Distance Problems**

A bus and a car leave the same place and travel in opposite directions. If the bus is traveling at 50 mph and the car is traveling at 55 mph, in how many hpurs will they be 210 miles apart. Again please help me with the boxes, Im in advanced math and I'm not good with the ...
*Tuesday, November 4, 2008 at 8:29pm by Amir*

**math**

One number is 12 more than another. The sum of the smaller number and twice the larger number is 39. Find the larger number. This is what I have so far: x+y+12=39
*Sunday, November 25, 2007 at 10:39pm by Word Problem*

**math**

if perimeter of a square is increased 25%.what will be the increased area %?
*Sunday, August 21, 2011 at 4:35am by mathematical problem*

**math**

U ive 2 b nodding me 14 quarries
*Monday, April 4, 2011 at 10:15pm by problem solver*

**math**

Janet remember this a even number is 0,2,4,6,and8
*Monday, April 4, 2011 at 10:15pm by problem solver*

**math**

Janet remember this a even number is 0,2,4,6,and8
*Monday, April 4, 2011 at 10:15pm by problem solver*

**math**

0.5 kg of tea was purchased at Rs 80 per kg.if it was sold at a gain of 10%.find its selling price
*Thursday, December 6, 2012 at 11:08am by words problem*

**math**

Can you not find the distance between two points? They have given you (h,k). All you need is r.
*Sunday, January 19, 2014 at 12:53pm by Steve@Math*

**Math - Algebra**

your problem with 7 put in as x. 49-14-3 32 -------- = ---- = 0 21+11 32
*Wednesday, December 12, 2007 at 7:47pm by Teaching Math*

**math**

How do I work out the problem 16 divided by 8/9?
*Thursday, September 27, 2012 at 1:12pm by Math Geek*

**math**

I got $5.70 because I used the problem $4.20 divided by 4. By the way THANKS!!!! again.
*Thursday, November 29, 2012 at 3:28pm by Math Geek*

**Math**

This is a 3rd grade math problem that my son had on homework. Can you explain how to derive the answer for this problem? The problem, as wriitten, is below.... I have 10 thousands, 11 tens, 12 hundreds, and 0 ones. What number am I? Thank you
*Friday, November 2, 2012 at 5:56pm by Math Mom*

**Algebra - Math**

Hi Ms. Sue, Can you tell me how you came up with those dimensions, so I can understand the problem. Thank you T. Adams
*Saturday, July 16, 2011 at 3:24pm by Algebra - Math*

**math**

How do I work the problem 5lb.-13oz.= what. Ms.Sue if you answer this question I'm sorry for bothering you so much.
*Monday, August 6, 2012 at 8:42pm by Math Geek*

**math**

It helps you by knowing that you can switch the numbers around to help make the problem easier. Instead of doing 20x63, make it easy and do 20x5 and then do the answer to 20x5 and multiply it by 63.
*Monday, November 2, 2009 at 8:32pm by Math Whiz*

**algebra1**

a cyclist completes a 150-mile race in a certain amount of time.she completes another 150-mile race a month later,but this time it takes an hour longer to cover the same distance and her average speed is 5 mph less than in the first race.find the average speed for the cyclist...
*Saturday, April 27, 2013 at 7:21pm by math lover*

**Need distance**

Perhaps you copied and pasted a picture with the locations of m1 and m2 on it? Without distance between them, problem is impossible.
*Saturday, April 4, 2009 at 1:59am by Damon*

**math**

I have been stuck on this for hours and feel completely stupid, could someone help? Read the story problem given below. Identify what unit conversions must be made and show your unit fractions in making the conversions. Make the required conversions and round results ...
*Monday, February 2, 2009 at 4:26pm by Math 60*

**math**

i am not going to solve the problem for you but i will tell you how to first you have to convert both equations to y=mx+b form. You can do it by isolating the y variable to one side. If Y has a coeffienct then divide it by the coefficent and do the same thing on the other side...
*Thursday, April 16, 2009 at 5:32pm by math pro*

**Math**

Thanks Ms. Sue for givig me the anser of 11,211 for my son's math problem(I have 10 thousands, 11 tens, 12 hundreds, and 0 ones. What number am I?) However, I am still confused and need a little more clarification? I understand place value order. If there are 0 ones, why is ...
*Saturday, November 3, 2012 at 9:53am by Math Mom*

**Calculating Distance**

If you drop a golf ball, how far does it fall in 0.5s? Is the correct formula to use?: D = V1 + t + 1/2at^2. But the problem is that I dont know the acceleration, would that be 0?
*Sunday, October 9, 2011 at 6:49pm by -Untamed-*

**Finance**

Cost Allocation It started with a letter Statendam, November 5, 2001 To: Henk Jacobs, director finance department From: Bob Jansen, manager refuse collection department Dear Henk, Someone told me that you had to see the teachers of one or your children last night, so you could...
*Friday, March 16, 2012 at 5:33pm by Math dummy*

**distance problems**

come on. distance = rate x time. How far will plane one go at 185 mi/hr? distance = 185 x time. How far will plane two go at 225 mi/hr? distance = 225 x time. Since plane two is traveling at 225 and plane one is traveling at 185, the difference of 40 miles/hour is getting them...
*Wednesday, March 24, 2010 at 11:13pm by DrBob222*

**Word Problem, math.**

The distance between the cars decreases at a rate of 25 ft/s. Divide 300 feet by that distance-closing rate and you get the answer: 12 seconds
*Sunday, September 5, 2010 at 3:57pm by drwls*

**math word problem**

a scale on a map is 1.5 in. : 200 mi. the map distance from miami to chicago is 9 in. what is the actual distance between the cities?
*Tuesday, April 17, 2012 at 8:04pm by marko*

**math word problem**

Does 13.5 miles make sense to you as the distance between Chicago and Miami????
*Tuesday, April 17, 2012 at 8:04pm by Ms. Sue*

**Math (word problem)**

Speed = distance/time or S = d/t 1.5(1240) = 5800/t Solve for t. I hope this helps.
*Sunday, November 29, 2009 at 9:05pm by PsyDAG*

**ship problem**

A [B]ship P [/B] is travelling due [B]East at 30 km/h[/B] and a [B]Ship Q[/B] is travelling due [B]South at 40 km/h. [/B] Both ships keep constant speed and course. [B]At t=0 they are each 10 km [/B] from the point of intersection of their courses and moving towards the point...
*Saturday, July 15, 2006 at 10:39am by rav*

**Math - Word Problem **

Word problems confuse me >_> You are choosing between two long-distance telephone companies. Company A charges $.09 per minute plus $4 monthly fee. Company B charges $.11 per minute with no monthly fee. X = number of minutes you call long distance y = total cost of long ...
*Wednesday, October 12, 2011 at 1:05am by Lynn*

**Math word problem**

Sorry, even moms are sometimes wrong to balance, the (mass x distance) must be equal on each side for a balance so, 12x = 10x15 x = 12.5 inches
*Wednesday, August 27, 2008 at 8:46pm by Reiny*

**math word problem**

Nikki is 27 feet above the water, and the fish are 37 feet below. So the line needs to stretch that distance. 27 - (-37) = 64 feet
*Monday, July 20, 2009 at 12:06pm by Marth*

**math-word problem**

The perimeter is the distance around the rectangle. P = 2L + 2W Two widths = 42 cm. 80 - 42 = 38 38/2 = 19 The length must be over 19 cm.
*Saturday, July 31, 2010 at 4:18pm by Ms. Sue*

**Math Word Problem SK**

Customers of a phone company can choose between two service plans for long distance calls. The first plan has a one-time activation fee and charges cents a minute. The second plan has no activation fee and charges cents a minute. After how many minutes of long distance calls ...
*Monday, September 21, 2009 at 8:28pm by Anonymous*

**math word problem**

Implicit in the question is geography: All three cities lie on the Interstate highway I-95, with Boston in the north, and Richmond (Va) in the south. Whole trip (Richmond to Boston) took 13 hours, so total distance = 13*50=650 miles Richmond to Philadelphia=70mph*5 hours=350 ...
*Wednesday, August 25, 2010 at 7:18am by MathMate*

**Math word problem**

You participate. In a 50 mi walk You walk 40% of the distance the first day. And 1/3 of the remaining distance on the second day. Bohr. Many more miles do you have to walk? Explain I got : need 13.33 mi more to walk 20 miles 1/3 = 16.67 mi Total. 36.67 50 -36.67 Difference 13....
*Tuesday, February 28, 2012 at 8:01pm by Marko*

**5th grade math problem**

on th second day,terry joined the group. if you add the distance terry biked, the group total increases to 35 3 10 in fraction way mi. how far did terry bike?
*Monday, March 30, 2009 at 6:18pm by sara*

**math..word problem**

time(up) = distance/rate = d/15 time(down) = d/r = d/30 Add time up to time down to get (d/15)+(d/30) = total time = 4. Solve for d. [Remember: time(up) + time(down) = 4.0 hr]
*Thursday, June 18, 2009 at 6:39am by DrBob222*

**math word problem**

a freight train leaves detroit traveling east at a speed of 65mph. one hour later, a passanger train leaves traveling wst a 85mph. how long will it take for the trains to have traveled the sam distance?
*Monday, November 28, 2011 at 2:28am by Anonymous*

**Math word problem**

You walked 20 miles the first day. 50 - 20 = 30 miles to go Then you walked 1/3 of the remaining distance the second day. 1/3 of 30 = 10 50 - 20 - 10 = ?
*Tuesday, February 28, 2012 at 8:01pm by Ms. Sue*

**Math word problem**

Don't you have a right-angled triangle with shorter legs of 5 and 7 ? let h be the hypotenuse h^2 = 5^2 + 7^2 = 74 h = √74 total distance = 5 + 7 + √74 = ....
*Wednesday, November 28, 2012 at 10:33am by Reiny*

**MAth word problem**

One of the best ways to do these is by using a "chart" on the top: distance --- rate --- time one the side: the two cases, in this problem: by car , walking ....... dist........rate....time car ...48t ...... 48 ...... t walk 6(1.5-t) .. 6 ..... (1.5-t) So where does the ...
*Monday, July 5, 2010 at 9:26am by Reiny*

**Math Word Problem**

A cross section of a nuclear cooling tower is a hyperbola with equation x^2/90^2-y^2/130^2=1. The tower is 450ft tall and the distance from the top of the tower to the center of the hyperbola is half the distance from the base of the tower to the center of the hyperbola. Find ...
*Wednesday, April 29, 2009 at 5:52pm by John*

**Math Word Problem**

let A = speed of Amtrak train let M=speed of Metro train so we can write A=M+50 as A is travelling 50 mph faster than M as there are two unknowns we need another equation at 3pm distance travelled by A is Ax1 or 1A miles at 3pm distance travelled by M is Mx3 miles but A is 10 ...
*Thursday, September 16, 2010 at 12:42am by Dr Russ*

**math word problem**

your diagram should show a right-angled triangle with sides 30 and hypotenuse 50 using Pythagoras the distance of the train from the crossing is √(50^2 - 30^2) = 40 (You might have recognized the ratio of the 3:4:5 right-angled triangle here)
*Tuesday, March 10, 2009 at 4:32pm by Reiny*

**math..word problem**

The road connecting two mountain villages goes only uphill or downhill. A bus always travels 15 mph uphill and 30 mph downhill. Find the distance between the villages if it takes exactly four hours for the bus to complete a round trip.
*Thursday, June 18, 2009 at 6:39am by M.A.*

**math/story problem**

The distance between the trains decreases at a rate of 50 - 40 = 10 mph = 1/6 mile per minute. At 8:27 PM, train A is (1/6 h) * 40 miles/h = 40/6 miles ahead of B. The 40/6 mile gap between trains will become zero after t = (40/6 mile)/(1/6 mile/minute) = 40 minutes
*Saturday, January 9, 2010 at 6:06pm by drwls*

**Math(word problem)**

For the line joining points A(-1, 3) and B(5, 7): a.Find the midpoint of the line. b.Find the distance of the line. c.Find the slope of the line. d.Find the y-intercept of the line. e.What would be the slope of a line perpendicular to this line?
*Wednesday, July 28, 2010 at 11:35am by anonymous*

**Math: Word Problem**

A ball is thrown upward from the top of a building which is 96ft tall w/ Initial velocity of 80 ft per sec. Distance s(ft) of ball from the ground after t sec is s=96+80t-16t^(2) 1) how many sec. will the ball pass the top of the building when it is coming down? How would I ...
*Tuesday, September 7, 2010 at 10:58pm by Amy~*

**Word Problem, math.**

the stopping distance d of a car after the brakes are applied varies directly as the square of the speed r. If a car traveling 40 mph can stop in 90 ft, how many feet will it take the same car to stop when it is traveling 30mph?V
*Sunday, September 5, 2010 at 3:57pm by cec*

**Math Word Problem!!!!**

The area is 750 ft x (distance between the parallel sides). The 750 is the average of top and bottom parallel side lengths. The separation of the parallel sides, which is the height, is sqrt(250^2 - 250^2) = 0 The area is therefore zero.
*Thursday, November 3, 2011 at 7:23pm by drwls*

**Math Word Problem**

During the summer throughout high school and for a year after, Lewis worked as a lifeguard at the beach. In that 5-year period, he saw a total of 461 dolphins swimming in the distance. About how many did Lewis spot per summer in the 5 summers he worked?
*Thursday, October 10, 2013 at 7:57pm by Jared*

**Algebra Word Problem**

I REALLY NEED YOUR HELP !!!!!!! Suppose it takes 3 days for a space vehicle to travel from Earth to the moon. About how long would it take the same vehichle traveling at the same speed to reach Venus? Closest Distance From Earth to: Moon 240,000mi Venus 26,000,000mi the space ...
*Saturday, December 13, 2008 at 5:30pm by pj*

**math, word problem**

How do I write the equation for this problem in order to solve it.I can solve it as long as someone shows me how to get the equation. (1)Science. Solve the following application. Jose rode his trail bike for 10miles. Two-thirds of the distance was over a mountain trail. How ...
*Tuesday, December 5, 2006 at 3:14am by Jasmine*

**Math word problem**

I have this word problem that I can't figure out. The problem is: A 15 lb weight is positioned 10 in. form a fulcrum. At what distance from the fulcrum must a 12 lb weigt be positioned to keep the scale balanced? The substitute that I had today said that the 12 lb. weight ...
*Wednesday, August 27, 2008 at 8:46pm by Tiffany*

**Math-word problem**

Let Do = 1 mi = Distance of old train. Dn = 1.2*Do = 1.2 * 1 = 1.2 mi = Dist. of new train. Let To = 1min = Time of old train. Tn = 0.8*To = 0.8 * 1 = 0.8 min. = Time of new train Vo=Do/To = 1mi/1min=1mi/min Velocity of old train. Vn = Dn/Tn = 1.2mi/0.8min = 1.5 mi/min = ...
*Tuesday, July 5, 2011 at 6:13pm by Henry*

**math word problem**

sam needs to clean the window on his house. he has a 25-foot ladder and places the base of the ladder 10 feet from the wall of the house. A) how high up the wall will the ladder reach? B) if his windows are 20 feet above the ground, what is the farthest distance the baes of ...
*Thursday, August 1, 2013 at 12:25pm by Nick*

**Math: distance,rate,time**

Jamila left home on her bike at 11:00 AM traveling at 12 km/h. At noon, her sister Tamantha set out after her following the same route. If Tamantha's motorcycle traveled 28km/h, what time did Tamantha overtake Jamila?
*Sunday, November 23, 2008 at 7:38pm by Krysta Q*

**Math: distance,rate,time**

Thank you!
*Sunday, November 23, 2008 at 7:38pm by Krysta Q*

**Math: distance,rate,time**

Jamila went 12t km, (remember D=R*T) Tamantha went 28(t-1) , she went 1 hour less than Jamila But when she overtakes her sister, they went the same distance, so 28(t-1_ = 12t 28t - 12t = 28 16t=28 t = 1.75 which is 1 hour and 45 minutes so Tamantha caught up with her sister 12...
*Sunday, November 23, 2008 at 7:38pm by Reiny*

**Math: Distance and Midpoint**

Three points on the edge of a circle are (-220, 220), (0, 0), and (200, 40), where each unit represents 1 foot. What is the diameter of the circle to the nearest 10 feet? I know the answer is supposed to be 550 ft, but I keep coming up with the wrong answer. I found the ...
*Tuesday, April 24, 2012 at 6:05pm by Anonymous*

**Math: Distance and Midpoint**

Alas, things have gone awry. The slope of the line from (-220,220) to (0,0) is -1. So, the slope of the perpendicular bisector (pb) is 1. The equation of the pb is thus (y-110) = (x+110) y = x + 220 The slope of the line from (0,0) to (200,40) is 40/200 = 1/5. The pb slope is ...
*Tuesday, April 24, 2012 at 6:05pm by Steve*

**Math: Distance and Midpoint**

OH! It was the first pb that got me. Whoops, thank you so much!
*Tuesday, April 24, 2012 at 6:05pm by Anonymous*

**math word problem**

I have to assume that they start in the same place, running in opposite directions. Running in the same direction, you get the time for Andy to "lap" Kate: Va*100 - Vk*100 = 400 meters which means Va - Vk = 4 m/s Running in opposite directions, they start out 400 meters (one ...
*Tuesday, September 7, 2010 at 6:16am by drwls*

**Problem is flawed - Math**

The data given for the problem contradicts each other and does not make sense. drwls pointed out correctly that we would get 4 congruent right-angled triangles, the hypotenuse would be 10, one side is 3.5, let the other side be x x^2 + 3.5^2 = 10^2 x = √87.75 or appr. 9....
*Monday, January 2, 2012 at 2:49am by Reiny*

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