Saturday

November 29, 2014

November 29, 2014

Number of results: 9,443

**math**

2 trains leave the station at 325 one going east at 66 miles per hour the second going west at 82 miles per hour they are 111 miles apart what time is it
*March 25, 2014 by nick*

**word problem!!! algebra**

at noon, a cargo van crosses an intersection at 30 mph. At 12:30 pm, a car crosses the same intersection traveling in the opposite direction. At 1 pm, the van and car are 54 miles apart. How fast is the car traveling? I know the answer is 48 mph, but can you set it up for me? ...
*March 11, 2007 by susan*

**math**

On a sunny afternoon. The stratosphere tower casts a shadow that is 140 meters long. At the same a nearby flagpole that is 10 meters tall cast a shadow that is 4 meters long . WrirÃƒÂ© silve the problem
*December 12, 2012 by ivan*

**math**

a heavy freight train made a trip of 360 miles, running part of the distance at 54 miles an hour and the rest at 48 miles an hour.if the entire trip took 7 hours,find the distance traveled at each rate.
*February 3, 2010 by chris*

**Math**

Alicia went on a steamboat ride up the Mississippi River. The boat travels 20 miles per hour in still water. How long will it take her to travel 60 miles upstream if the current of the river is 8 miles per hour?
*April 4, 2013 by Johnathan *

**Maths**

Jacob buys a car with 7,000 miles on it. He drives an average of 220 miles a week. Write an equation to represent the number of miles, m, on the car after any number of weeks, w. Explain each part of the equation. Thanks so much!!! :)
*November 16, 2013 by Becky*

**Math (Ms.Sue)**

Marco ran from his house 2.67 miles to a county park. He then ran the 1.5 mile cross country loop at the park and back home. How many miles did Marco run altogether? I added and got 4.17 miles Is that correct
*October 14, 2014 by Amy*

**algebra**

At 3PM, two ships started sailing toward each other from ports which were 265 miles apart at average rates of 18 and 23 miles per hour. At what time were the ships still 60 miles apart? *Again, I;m having a real bad day; please walk me through this.*
*October 27, 2007 by anonymous*

**math**

The tread life of a particular tire is a random variable best described by a normal distribution with a mean of 60,000 miles and a standard deviation of 2000 miles. What is the probability that a randomly selected tire of this brand will last longer than 58,000 miles? A.0.7266...
*September 18, 2010 by Madison*

**Physics**

This is a vector problem. A man starts at home and runs 5 miles north and then 5 miles in a direction 23 degrees south of west. Now he wants to go back home in a straight line. How far does he need to go and in what direction? so i found that the hypotenuse equals 5.4 miles ...
*September 23, 2014 by Sandy*

**coor. algebra**

Okayy so my class is doing conversions annnd.I need help ALOT. 130 meters per second into miles per hour . If you answer can you show me how you got the answer and how to know of the answer is right?
*August 11, 2014 by cj*

**math**

You ran 1.5 miles befor you decide you were running in the wrong direction.you truned around and ran back were you started .then you ran 2.75 miles in the other direction how many miles did you ran in all?
*March 7, 2011 by cindy*

**Math**

Jesse jogs at a rate of 6 miles per hour. The next time she jogs, she increases her speed to 7 miles per hour. How long will it take her to jog 6 miles?
*May 31, 2012 by Patch*

**physics **

a very strong girl runs 200 miles for several hours. After a brief rest she runs another 100 miles north. She stops for the night at a local bed and breakfast and the next morning ealks 75 miles directly south-east. Find the magnitude and direction of her displacement? (answer)
*September 28, 2010 by idk 22 *

**trig **

A freighter leaves on a course of 120 degrees and travels 515 miles. The ship then turns and goes due east 200 miles. What is the bearing and distance from the port to the ship? I calculated 142 miles for distance but couldn't get bearing. Any help is appreciated.
*April 26, 2010 by stacey graham*

**math**

A helicopter is 400 miles directly north of Ghana and is flying at 20 miles per hour. A second helicopter is 300 miles east of Ghana and is flying west at 15 mph. What is the rate of change of the distance between the helicopters?
*December 30, 2010 by Rachael*

**Math**

Alicia went on a steamboat ride up the Mississippi River. The boat travels 24 miles per hour in still water. How long will it take her to travel 54 miles upstream if the current of the river is 6 miles per hour? Please help me. (:
*March 7, 2011 by Blaineley*

**math**

Alicia went on a steamboat ride up the Mississippi River. The boat travels 20 miles per hour in still water. How long will it take her to travel 144 miles upstream if the current of the river is 8 miles per hour?
*November 26, 2012 by ashley*

**VNS,Math**

A man walked into the road at 4 miles per hour and returned over the same road at the rate of 3 miles per hour. If he completed the entire trip in 7/2 hours,how far in miles in to the roads did he walk?
*October 9, 2013 by Nahar*

**Algebra2 ( Check)**

Will you please check my work for me. 1)The equation of a parabola is shown. y=1/14X^2. What are the coordinates of the focus? (0,-3.5) <---- (0,-4) (0,7) 2)The equation x2 + (y + 3)2 = 36 models the boundary on a local map for which Darren can hear his friend Tom on his ...
*June 18, 2012 by Anonymous*

**11th grade**

Calculate the minimum change in velocity (delta V or ∆V) required for the Space Shuttle to decrease its altitude to 60 miles if it’s orbiting with an apogee of 236 miles and a perigee of 215 miles above the surface of Earth. Use the rule of thumb that below an altitude ...
*December 16, 2010 by Vanessa*

**math**

One of the world's fastest roller coasters is located in a theme park in Valencia, California. Riders go from 0 to 100 miles per hour in 7 seconds. Find the acceleration of the roller coaster during this time interval in miles per second squared. Math - Reiny, Monday, March 8...
*September 27, 2010 by erin*

**astronomy**

the diameter of earth is 7928 miles. what is the diameter in inches? in yards? If the diameter of earth is expressed in 12,756km what is the diameter in meters? in centimeter? give yoiur answers in scientific notation
*May 22, 2010 by maria*

**statistics**

16. Based on tests of the Chevrolet Cobalt, engineers have found that the miles per gallon in highway driving are normally distributed, with a mean of 32 miles per gallon and a standard deviation 3.5 miles per gallon
*March 10, 2012 by tone*

**Algebra**

Suppose you want to determine the number of miles you can drive in your car. Your car gets 20 miles per gallon. The number of miles traveled varies directly with the number of gallons of gas the tank holds. Write a direct variation equation that represents this situation... I'...
*June 9, 2014 by Maddison *

**Algebra**

Suppose you want to determine the number of miles you can drive in your car. Your car gets 20 miles per gallon. The number of miles traveled varies directly with the number of gallons of gas the tank holds. Write a direct variation equation that represents this situation... I'...
*June 9, 2014 by Maddison *

**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??????????
*March 9, 2012 by Anonymous*

**physics**

The position of a 0.43 kg object attached to a spring is described by [x = (0.49 m) cos(1.25πt)] a) What is the amplitude of oscillations in m? b) What is in meters/second the maximum speed of the oscillating object? Answer in meters/seconds . c) Find in meters/second the...
*November 11, 2014 by Serena*

**physics**

The position of a 0.31 kg object attached to a spring is described by [x = (0.85 m) sin(2.37πt + 0.35)] a) What is the amplitude of oscillations in m? b) What is in meters/second the maximum speed of the oscillating object? Answer in meters/seconds . c) Find in meters/...
*November 11, 2014 by Serena*

**Math**

Please help me? A motorist takes a trip of 100 miles, traveling at 40 mph for the first 50 miles and 60 mph for the last 50 miles. What is the average speed in mph for the trip? The answer is not 50 mph.
*October 2, 2007 by Felix Ferrer*

**fractions**

Annie walked her dog 2 1/4 miles from her house to the dog park and 3/7/8 miles around the park.Then she walked the same distance home.How many miles did she walk in all?
*March 14, 2013 by ttuuffyy*

**math**

A troop of boy scouts hiked to a camp in the woods for supper.They returned home by a apth across lots,whih was two and a half miles shorter than the road which they went.the scout master said that they had walked 7 miles in all.how many miles they walked before supper?
*September 10, 2009 by chris*

**Mathmatics.. 9th grade**

Your family is driving 188 miles to visit a family member, your father drives 63 miles then stops for a break, a) How many more miles are left in the trip, B) How long will the remainder of the trip take? *It says to label a variable, write an equation and solve for part b. ...
*September 15, 2010 by Not putting it*

**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 asymptotes of the ...
*January 22, 2014 by Andy G*

**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 asymptotes of the ...
*January 23, 2014 by Andy G*

**Algebra**

Two trains leave Raleigh at the same time, one traveling north, the other south. The first train travels at 50 miles per hour and second at 60 miles per hour. In how many hours will the trains be 275 miles apart?
*June 1, 2010 by Avery*

**algebra 2 **

two trains leave the dallas port going in opposite directions. if one train goes 56 miles per hour, and the other goes 52 miles per hour how long will it take them to be 363 miles apart? how do i set up this problem?
*September 23, 2012 by belle *

**3 grade math**

Jan, Mya, and Sara ran a total of 64 miles last week. Jan and Mya ran the same number of miles. Sara ran 8 less miles than Mya. How many miles did Sara run? 64 miles in all Jan - Mya - Sara Same as Mya - Same as Jam - 8 less my son need help in this question
*March 8, 2012 by dw*

**math **

If planet I is 31.8 million miles from the sun than planet II, then planet III is 25.6 million miles father from the sun than planet I. When the total of the distances for these three planets from the sun is 200.2 million miles, how far away from the sun is planet II? Planet ...
*September 7, 2012 by Kelly*

**Math(module 4 Calculus)**

(minimum commuting time) A lighthouse lies 2 miles offshore directly across from point A of a straight coastline. The lighthouse keeper lives 5 miles down the coast from point A.What is the minimum time it will take the lighthouse keeper to commute to work, rowing his boat at ...
*November 29, 2011 by Furzeen*

**Math & Stats**

Please help I was up till 2am trying to figure this out last night, Thanks The top selling Red and Voss is rated 70,000 miles, which means nothing. In fact, the distance the tires can run until they wear out is a normally distributed random variable with a mean of 82,000 miles...
*February 11, 2011 by Tiffany*

**Math**

Cities A, B, C and D are equidistant. That is, B is d miles from A, C is d miles from B, and D is d miles from C. Suppose you travel 55 mph from A to B, 40 mph from B to C, and 50 Mph from C to D. What single, constant speed could you have traveled from A to B to C to D that ...
*May 4, 2011 by Anonymous*

**VHS**

a triangle has sides with lengths of 11 meters, 9 meters, and 7 meters. what type of triangle is it?
*February 5, 2011 by Kelsey*

**physics**

an 8-newton foce is applied to a 4-kg object. what is the rate of acceleration. a.4 meters per second b.8 meters per second c.2 meters per second d.12 meters per second
*March 18, 2011 by Gabriella*

**maths**

A roof section of a house is a large triangle. it measures 6.4 meters at the base and is 3.8 meters high. If one liter of paint covers 3 meters square, how many litres are needed to paint this section twice? Answer to the nearest litre.
*August 21, 2014 by zeebuddy*

**Physics **

The shuttle must perform the de-orbit burn to change its orbit so that the perigee, the point in the orbit closest to Earth, is inside of Earth's atmosphere. De-orbit maneuvers are done to lower the perigee of the orbit to 60 miles (or less). An altitude of 60 miles is ...
*December 26, 2013 by Cloud*

**Physics **

The shuttle must perform the de-orbit burn to change its orbit so that the perigee, the point in the orbit closest to Earth, is inside of Earth's atmosphere. De-orbit maneuvers are done to lower the perigee of the orbit to 60 miles (or less). An altitude of 60 miles is ...
*December 26, 2013 by Cloud*

**Physical Geography**

1-if a person's line of vision is at the top of Building 121 feet high, how far out to sea could a person see with a good telescope? 2- the light in a lighthouse is 144 feet above sea level. How far does the light extend before it dips below sea level? 3- if an observer is on ...
*June 11, 2007 by matt*

**Science**

The first speed limits for cars were two miles per hour in a city and four miles per in the open country. How long would it take for a motorist to travel 15 miles assuming that he had to travel in the city. Please show work.
*February 25, 2008 by Jennifer*

**trig**

Peter (P) and Jamie(J) have computer factories that are 132 miles apart. They both ship their completed parts to Diane (D). Diane is 72 miles from Peter and 84 miles from Jamie. Using the points D,J,and P to form a triangle, find m<PDJ to the nearest tenth of a degree.
*April 16, 2011 by John*

**math**

If a man drove 3.5 miles to a gas station and on the way home drove 2 times that +.7 miles,how many miles did he drive?? 3.5 + 2 times 3.5 + .7 = what Do the math. 17.5 omg ur so smart...
*June 7, 2007 by Caitlyn*

**Math**

Alfredo walked 24 miles in the walk-a-thon. His friend Terence walked 1/3 as many miles. How many miles did Terence walk? I really don't understand this problem could someone help me.
*April 13, 2011 by Lisa*

**calculus**

A recatangle has constant area of 200 square meters and its lenght L is increasing at the rate of 4 meters per second a) find the width W at the instant that the width is decreasing at the rate of .5 meters per second b) at what rate is the diagonal d of the rectangle changing...
*November 10, 2011 by Demetria*

**physicss please help**

Calculate the terminal velocity for a baseball. A baseball's diameter is approximately d = 0.073 m, and its mass is m = 0.146 kg. Express your answer in meters per second and miles per hour. (Assume a drag coefficient of 1 and air density of 1.3 kg/m3.) __ m/s __ mph
*February 14, 2009 by kj*

**Physics**

A car accelerates uniformly (a = constant) from 34 meters/second up to 40 meters/second in 4.0 seconds. What is the acceleration of the car in meters/second2?
*September 18, 2011 by Kristina*

**Maths**

4. Tonya is 1.3 meters tall. She stands 7 meters in front of a tree and casts a shadow 1.8 meters long. How tall is the tree?
*November 12, 2014 by Tim *

**Math**

Tiffany can run 12 miles in the same time it takes her to bicycle 72 miles. If her bicycling rate is 20mi/hr faster than her running rate, find each rate. Let X = running rate, so X +20 = cycling rate. Since rate = miles/time, then time = miles/rate. Since the time for both is...
*June 17, 2007 by Audrey*

**Algebra Word Problems**

when going more than 38 miles per hour the gas mileage of a certain car fits the model y=43.81 - 3.95x where x is the speed of the car in miles per hor and y is the miles per gallon of gas. Based on model what speed will the car average 15 miles per gallon
*December 15, 2009 by mike*

**algebra**

Please help me anybody Abby Garland is parked at a mile marker on an east -west country road.She decides to toss a fair coin 10 times ,each time driving 1 mile east if it lands heads up and 1 mile west if it lands up tails up. The term random walk applies to this process even ...
*August 22, 2012 by Fatima*

**physics**

A friend is making an iMovie and wants your help designing a skateboard stunt. You estimate that your friend�s mass is four times greater than that of the skateboard. For the following questions, ignore friction. In one scenario, your friend starts by standing at rest ...
*March 11, 2014 by anonymous*

**Math**

Hello, I'm not sure how to go about this question. To get to work on the first day, Jose has the following directions. Travel 15 miles due East. Turn right and travel 12 miles due south. Turn right again and travel 10 miles due West. If Jose could travel in a straight line ...
*February 6, 2010 by JOE*

**Algebra 1**

Victor needs to calculate the number of miles per gallon his car averages. His car's gas tanks holds 15 gallons of gas. Write an equation that will help him determine the average number of miles per gallon. Let's let x= number of miles traveled, and y= average miles per gallon...
*September 2, 2014 by Jasmine*

**3rd grade math**

evan drove into the country for a long weekend. he planned to drive 118 miles on each of 4 days, however his car broke down and he was only able to drive 43 miles on the first day. how many miles per day must he drive to reach his destination.
*March 25, 2013 by mythreyee*

**Math Check please**

Will you please check my work for me. 1)The equation of a parabola is shown. y=1/14X^2. What are the coordinates of the focus? (0,3.5) <---- (0,-4) (0,7) (0,-3.5) 2)The equation x2 + (y + 3)2 = 36 models the boundary on a local map for which Darren can hear his friend Tom ...
*June 18, 2012 by Anonymous*

**algebra**

a truck rental company rents a truck for one day charging $29 plus $0.10 per mile. Write a linear equation that relates the cost C in dollars, of renting the truck to the number x of the miles driven. Also, what is the cost of the truck for 185 miles & 363 miles?
*October 22, 2011 by beechst*

**Help!...Math...**

Two cars leave town going opposite directions. One car is traveling 55 mph, and the other is traveling 65 mph How long will it take before they are 180 miles apart? Hint: The time for both cars is the same and can be represented by "t." The total distance is 180 miles. The ...
*November 15, 2006 by Jessica*

**Math**

At the 2010 Winter Olympics, in Vancouver, BC, Usain Bolt won the 100 meters, finishing in 9.69 seconds (a world record.) What was his speed in miles per hour, rounded to the nearest tenth? (1 meter is approximately 39.37 inches.) State the answer in decimal form, rounded to ...
*March 2, 2010 by Joey*

**Math**

At the 2010 Winter Olympics, in Vancouver, BC, Usain Bolt won the 100 meters, finishing in 9.69 seconds (a world record.) What was his speed in miles per hour, rounded to the nearest tenth? (1 meter is approximately 39.37 inches.) State the answer in decimal form, rounded to ...
*March 4, 2010 by Joey*

**AP CALC**

Two roads intersect at right angles. At a certain moment, one bicyclist is 8 miles due NORTH of the intersection traveling TOWARDS the intersection at a rate of 16 miles/hour. A second bicyclist is 10 miles due WEST of the intersection traveling AWAY from the intersection at ...
*November 6, 2010 by Nel*

**Algebra 2!!**

A shed is designed so that its height is 8 meters less than its width, and its length is 10 meters greater than its width. If the volume is about 1,000 cubic meters, what is the width of the shed (to the nearest meter)?
*May 5, 2011 by Tee*

**math**

A pilot can travel 400 miles with the wind in the same amount of time as 336 miles against the wind. Find the speed of the wind if the pilot's speed in still air is 230 miles per hour.
*December 4, 2012 by justin*

**Math**

A very strong girl runs 200 miles east for several hours. After a brief rest she runs another 100 miles north. She stops for the night at a local bed and breakfast and the next morning walks 75 miles directly south-east. Find the magnitude and direction of her displacement.
*November 23, 2010 by Kevin*

**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?
*March 19, 2008 by Lisa*

**College math**

A planehas 7 hrs. to reach a target and come back to base. it flies out to the target at 480 miles per hr. and returns on the same route at 640 miles per hour. how many miles from the base is the target?
*January 20, 2009 by Kim*

**algebra**

Two trains leave stations 50 miles apart at the same time heading toward one another on parallel tracks. Train A is traveling 20 miles an hour and Train B is traveling 30 miles an hour. They pass eachother in how many hour(s).
*June 18, 2013 by key*

**math**

A ship sails due north from a position 5 degrees, 28' South Latitude to position 6 degrees, 43' North Latitude. Given that one minute of latitude is equivalent to 1 nautical mile, the ship has sailed a distance of A. 75 nautical miles B. 371 nautical miles C. 731 nautical ...
*August 14, 2014 by Demi*

**astronomy**

how far away is the sun in science notation? The distance of the earth from the sun varies from 9.1407905x10^7 miles to 9.4512780x10^7 miles with a mean distance of 9.2960242x10^7 miles. Many use 9.30x10^7 as the mean distance.
*May 23, 2007 by chanel*

**Math**

A fence encloses a rectangular field. The field is 4 meters longer than it is wide. The total length of the fence is 144 meters. What is the area in square meters of the enclosed field? 1192 1296 1292<---- 1440
*June 3, 2014 by Anonymous*

**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 travel to make up the ...
*March 31, 2014 by Sue*

**math**

the speed of train A is 14 miles slower than train B. train A travels 210 miles in the same time it takes train B to travel 280 miles. Whats the speed of each train?
*April 11, 2013 by pam*

**Math**

Sam lives 5 miles from school, Joe lives 2 miles from schoo, and Andy lives 1 mile from school. What is the range of the miles the boys live from school?
*September 1, 2011 by Joei Fierro*

**matn **

In a roller blade race grant is 5 meters ahead of cathy. mike is 7 meters behind cathy. joey is 4 meters ahead of Mike. How many meters is grant ahead?
*October 20, 2010 by I. Ranson*

**Geometry**

find the radius of a sphere withh the given property. A.The number of square meters of a surface area equals the number of cubic meters of volume. B. The ratio of surface area in square meters to volume in cubic meters is 1:5.
*September 29, 2013 by George*

**math**

each morning Natalie jog 3 1/3 miles to the park. Then she takes a shortcut and jogs 1 2/3 miles back home. How many miles does Natalie jog each morning?
*December 14, 2010 by jessica*

**Algebra**

A boat can go 20 miles against a current in the same times that it can go 60 miles with the current. The current is 4 miles per hour. Find the speed of the boat with no current.
*January 14, 2014 by John*

**Algebra**

A boat can go 20 miles against a current in the same times that it can go 60 miles with the current. The current is 4 miles per hour. Find the speed of the boat with no current.
*January 15, 2014 by May*

**Math**

A boat can go 20 miles against a current in the same times that it can go 60 miles with the current. The current is 4 miles per hour. Find the speed of the boat with no current.
*January 15, 2014 by Help!!!*

**Math**

It is 405 miles from Minneapolis, Minnesota to Chicago, Illinois. It is 692 miles from Minneapolis to Cincinnati, Ohio. Cincinnati is how many miles farther from Minneapolis than Chicago? Write an equation and solve the problem
*October 6, 2013 by Sandy*

**math 1 question!!!!!!**

A fence encloses a rectangular field. The field is 4 meters longer than it is wide. The total length of the fence is 144 meters. What is the area in square meters of the enclosed field? 1192 1296 1292 1440
*June 3, 2014 by Anonymous*

**physics**

i walked from four miles in the direction of 30 celisus south of east, then from there i walked 3 miles to west. from there i walked 5 miles directly toward north. hw far away am i from home?' A: USE PARALLEO=LOGRAM GRAPHING METHOD. B: USE CALCULATION METHOD
*January 30, 2012 by LULU*

**physics**

i walked from four miles in the direction of 30 celisus south of east, then from there i walked 3 miles to west. from there i walked 5 miles directly toward north. hw far away am i from home?' A: USE PARALLEO=LOGRAM GRAPHING METHOD. B: USE CALCULATION METHOD
*January 30, 2012 by LULU*

**algebra **

starting from 1.5 miles away, a car drives toward a speed checkpoint and then passes it. The car travels at a constant rate of 53 miles per hour. The distance of the car from the checkpoint is give by d=|1.5-53t|. At what time if the car o.1 miles from the checkpoint? Answer ...
*October 22, 2014 by Madison*

**math**

Brandon and Jacob buy used cars at the same time. Brandon buys a car with 10,000 miles on it. He drives an average of 100 miles a week. The equation that follows can be used to determine how many miles, m, will be on the car after any number of weeks of driving, w: m = 100w + ...
*November 13, 2013 by lance*

**physics **

A baseball has a mass of about 155 g. What is the magnitude of the momentum of a baseball thrown at a speed of 95 mph?(Note that you need to convert mass to kilograms and miles per hour to meters per second.) Answer in units of kg · m/s
*January 19, 2014 by NADIA*

**math**

a trianglar course for a sailing race is marked off by buoys. The first lef is 250 meters longer than the second and the third leg is 100 meters shorter then the first. if the length of the course is 2500 meters, find the length of each length
*February 4, 2010 by jack*

**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?
*October 26, 2008 by Stella*

**math**

A swimming pool is 25 meters x 15 meters. A concrete walk 2 meters is built around it. What is the area of a concrete walk?
*January 12, 2012 by liza*

**Algebra**

A trapezoid when its height is h and the lengths of its bases are a and b. What is the area of a trapezoid when h = 6 meters, a = 5 meters, and b = 12 meters? Formula A = 1/2h(a+b) gives the area.
*February 12, 2013 by Jamie*

**Algebra 2**

A rental car costs a minimum charge plus a fixed charge per mile driven. One customer was charged $60 for 160 miles of use. Another customer drove 280 miles and paid $90. Write an equation relating the total cost, C (in dollars), to the miles driven, x.
*October 14, 2007 by Anonymous*

**Physics**

You are taking a road trip to the beach for Spring Break. You leave at 12:00 pm. At 12:30 you stop for lunch 10 miles down the roads. You get back on the road and travel 75 more miles and realize that you need to stop for gas. You notice that it is now 1:10 pm. At the point in...
*April 8, 2009 by Landon*

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