Tuesday

February 28, 2017
Number of results: 152,956

**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.)

*May 14, 2012 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.)

*November 4, 2012 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.)

*November 4, 2012 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.)

*November 4, 2012 by Anonymous*

**Calculus**

At noon, ship A is 50 nautical miles due west of ship B. Ship A is sailing west at 19 knots and ship B is sailing north at 24 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.)

*October 27, 2014 by Alessandra*

**calc**

At noon, ship A is 30 nautical miles due west of ship B. Ship A is sailing west at 17 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.)

*October 29, 2014 by john smit*

**algebra 2**

Kate can row a boat 10 miles per hour in still water. in a river where the current is 5 miler per hour, it take her 4 hour longer to row a given distance upstream than to travel the same distance downstream. Find how long it takes her to row upstream, how long to row ...

*December 6, 2015 by nancy*

**Math**

How do you create a word problem using unit rate? Please check the explanation at this site -- http://www.321know.com/rat-unit-rate.htm One of the most common word problems might be -- George averages 60 miles per hour when driving on a highway. How far will he go in three ...

*January 16, 2007 by Tom*

**math**

During Bill's three-hour meeting, the word global was used, on average, once every five minutes during the first two hours. If the word global was used 54 times throughout the meeting, then what was the average number of minutes between uses in the third hour?

*September 8, 2013 by elliot*

**Trigonometry**

Two ships leave a harbor entrance at the same time. The first ship is traveling at a constant 10 miles per hour, while the second is traveling at a constant 22 miles per hour. If the angle between their courses is 100°, how far apart are they after 2 hours? (Round your answer...

*July 30, 2015 by Alice*

**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.)

*March 15, 2009 by Randall*

**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!

*July 28, 2013 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.)

*February 28, 2014 by ALI*

**Precal**

A hot-air balloon, headed due east at an average speed of v = 14 miles per hour and at a constant altitude of h = 120 feet, passes over an intersection (see the figure). Find an expression for its distance d (measured in feet) from the intersection t seconds later.

*December 2, 2010 by Nicholas*

**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**

Jake and Sara each drive 270 miles to attend a conference. Jake drives at an average speed that is 15 mi/h slower than Sara’s average speed. It takes Jake 1.5 hours longer than Sara to drive the 270 miles. How long does it Jake to make the trip?

*May 12, 2014 by ray*

**Math**

A model plane flies 18ft per 2 seconds. What is the plane's speed in miles per hour? Round to the nearest tenths.

*April 27, 2014 by Bill*

**math ***

The El Paso middle school girls basketball team is going from El Paso to San Antonio for the Texas state championship game. The trip will be 560 miles.their bus travels at an average speed of 60 miles per hour. The bus route also travels through Balmorhea, which is 1/3 of the ...

*September 23, 2009 by Krystle*

**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 ...

*July 9, 2011 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 ...

*July 9, 2011 by lisa*

**math**

LeanNE walks at an average speed of 3 1/3 mph. How far does she walk in 2hrs 15 minutes? 10/3 × 9/4 == 90/12 would equal 7 1/2 miles

*April 16, 2015 by Michael*

**Calculus**

An airplane flies at an altitude of 5 miles toward a point directly over an observer. The speed of the plane is 600 miles per hour. Find the rate at which the angle of elevation tetra is changing when the angle is 30 degrees

*November 1, 2009 by Anonymous*

**Algebra**

Kevin ran 4 miles more than Steve ran. The sum of their distances is 26 miles. How far did Steve run? The domain of the solution is {0, 4, 11, 22}.

*August 21, 2014 by Jd*

**algebra**

1. Kevin ran 3 miles less than Steve ran. The sum of their distances is 21 miles. How far did Steve run? The domain of the solution is {0, 10.5, 12, 18}.

*August 30, 2014 by Mariah*

**physics**

Heather and Matthew walk eastward with a speed of 0.98 m/s. If it takes them 34 min to walk to the store, how far have they walked? If Joe rides south on his bicycle in a straight line for 15 min with an average speed of 12.5 km/h, how far has he ridden? It takes you 9.5 min ...

*September 20, 2006 by anonymous*

**math**

The distance remaining for a half marathon race over several minutes is shown in table. Use the information to determine the constant rate change in the minutes per mile. Table: Time (min) Distance Remaining (mi) 40 8 56 6 72 4 88 2

*September 17, 2014 by Confused Child*

**Algebra**

A truck can be rented from Company A for $70 a day plus $0.40 per mile. Company B charges $30 a day plus $0.80 per mile to rent the same truck. How many miles must be driven in a day to make the rental cost for Company A a better deal than Company&#...

*September 11, 2016 by Shirley*

**Math**

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

*October 13, 2016 by Jenny*

**Algebra**

For every 1/2 mile sira jogs, she walks 3/4 mile. What unit rate gives the number of miles Sira jogs for every mile she walks.

*October 1, 2014 by Venita*

**Math**

For every 1/2 mile that daylan jogs he walks 3/4 mile. What unit rate gives the number of miles daylan jogs for every mile she walks

*January 12, 2015 by Ketisha*

**Physics**

Which of the following statements about SI distance units is not correct? 1) Both a meter and a kilometer are SI units. 2) A mile is not an SI unit. 3)A meter currently has a universal unit definition. 4)Converting a meter to feet is an example of a conversion involving two ...

*September 1, 2012 by Zhady*

**Algebra**

An elephant herd started moving at a rate of 6 mph. One elephant stood still and was left behind. Then the stray elephant began running at a rate of 10 mph to reach the herd. The stray caught up in 5 minutes. How long (in hours) did the stray run to catch up? How far did it ...

*October 10, 2006 by Steve*

**Math**

Connor ran around the 1/4-mile track 15 times! Express the distance he ran as a mixed number.

*September 23, 2015 by Helen*

**Calculus, antiderivatives**

A student accelerates from rest at a rate of 3 miles/min^2. How far will the car have traveled at the moment it reaches a velocity of 65 miles/60 min? a(t) = 3 miles/min^2 so v(t) = 3t + k miles/min but when t=0, v=0 so k=0 then v(t)=3t d(t) = 3/2 t^2 + c but when t=0 d, the ...

*April 5, 2007 by Andrea*

**Math**

The speed of a metro train is 54 km/hr excluding stoppage time and if including stoppage the speed is 45 km/hr then for how many minutes does it stop per hour ?

*June 17, 2006 by elangovalan*

**Science**

A car traveled at an average speed of 60 mph for two hours. How far did it travel? A. 30 miles B. 60 miles C. 120 miles D. 150 miles

*December 4, 2012 by Layla*

**Algebra 1**

It takes a lot of snow ofr the federal government in Washington D.C. to shut down, but even they experienced a two-hour delay last Friday. This is to allow people to take it slow in thier way to work. A commute to work that usually takes someone 24 minutes traveling at an ...

*February 7, 2008 by Libby*

**Math**

A truck can be rented from Basic Rental for $45.00 a day plus $0.25 per mile. Continental charges $25.50 per day plus $0.40 per mile to rent the same truck. a) Write an expression to calculate the cost of renting and driving a truck from Basic Rental. Let x be the number of ...

*October 5, 2015 by Dustin*

**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**

Renting a truck cost $30 per day and 22 cents per mile when the driver goes beyond the 23 miles a lot of per day. How much wood Tabitha pay when renting a truck for 3 days and driving a total of 210 miles?

*July 14, 2015 by Tara*

**physics**

how much would a stationary vehicle have to accelerate in order for it to catch up to another vehicle traveling 74 miles per hour in a distance of .5 miles? what would its final speed be?

*November 30, 2012 by kelso*

**trig**

A skateboard wheel has a radius of 2.08 inches and is turning at a rate of 945 rpm. a. what is the angular speed in radians per second? in degrees per second? b. how fast is the skateboard traveling (in miles per hour)?

*September 26, 2015 by Mohamad*

**Math**

A motorist makes a journey of 240 km from Singapore to Malacca to visit his inlaws at an average speed of x kilometers. On his return journey, his average speed is reduced by 6km/hour due to traffic. If the return journey takes 20 minutes longer, form an equation with x and ...

*December 10, 2012 by Elizabeth*

**Maths**

Any help with the following would be greatly appreciated. I don't understand how to use the information given to create the equation. 1) A car travels between A and B at an average speed of 60 km/h. If the car increased its average speed to 100 km/h it would take 10 minutes ...

*April 21, 2010 by Sindy*

**Algebra-help**

12. A train traveled at a constant speed for 6 hours. The train traveled 225 miles in those 6 hours. What was the speed, in miles per hour, of the train? answer: 37.5 Is that correct? Thank You

*February 1, 2013 by Brendon*

**Math**

A bicyclist is traveling at an angular speed of 8pi radians per second. How fast is she traveling in miles per hour if her tires are 28 inches in diameter?

*February 22, 2016 by Anonymous*

**physics**

A car is moving at 53 miles per hour. The kinetic energy of that car is 5 × 105 J. How much energy does the same car have when it moves at 102 miles per hour? Answer in units of J HELP!!!! I've tried doing (5*10 J)* (102/53)^2 and I keep on getting it wrong PLEASE HELP ME ...

*December 14, 2014 by Edgar*

**Math**

Antoine paid $7.47 for 3 pounds of grapes. Write the cost of the grapes as a unit rate. Carla's family drove 420 miles in 8 hours. Write their average speed as a unit rate. Please help me!

*January 9, 2014 by Anonymous*

**calculus**

an airplane is flying at an altitude of 6.7 miles towards a point directly over an observer. if the speed of the plane is 499 miles per hour, find the rate at which the angle of observation, Ɵ, changing by at the moment when the angle is 21 degrees.

*October 16, 2011 by Mindy*

**mat115**

A pack of 250 key blanks costs $23.50. What is the unit price? I know that this is .094 but I am having trouble with the remaining 2 parts. If each cut key costs a customer $1.75, and it takes 2 minutes for Darren to cut a key, how much does Darren make per hour? If Darren, as...

*August 28, 2010 by Gina*

**Math**

A swimming pool is drained at the end of each summer. Fifteen gallons of water are removed per minute. How much does the amount of water in the pool change in one hour? (There are 60 minutes in one hour.)

*November 6, 2015 by Animegirl*

**eco**

during2004 the national average gas price rose from $1.50 a gallon to $2.25 a gallon. the government has stated that the high price of gas will remain as it is. discuss how this cost influences your decision to buy a new car. based on your budget, would you buy the large car ...

*June 26, 2007 by tracey*

**college physics**

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

*September 7, 2008 by corey*

**astronomy**

what is the speed of a point on the equator in miles per hour as the earth rotates on its axis?

*September 10, 2011 by katy*

**Algerbra**

Can anyone help me on these two problems also. I am getting so confused and tired. The length of a rectangle is fixed at 27cm. What lengths will make the perimeter greater than 100cm? also this problem Trians A and B are traveling in the same direction on parellel tracks. ...

*January 25, 2009 by Kim*

**Math**

If it takes B hours to walk a certain distance at the rate of 3 miles per hour, the number of hours it takes to return the same distance at 4 miles per hour is...?

*August 14, 2015 by Victoria*

**Math**

Shannon Cron ran 18 miles in 5 days. How many miles would she run in 9 days if she ran at the same rate?

*March 8, 2016 by Lainey*

**PHYSIC**

A PLANE IS TRAVELING AT 90 MILES PER HOUR DUE SOUTH. WHAT DO WE KNOW ABOUT IT? 1. ITS SPEED 2. ITS VELOCITY 3. BOTH ITS SPEED AND ITS VELOCITY

*January 14, 2012 by GRISSELL*

**Physic**

A plane is traveling at 90 miles per hour due south. What do we know about it? the speed, its velocity or both its speed and its velocity?

*January 14, 2012 by Eddie*

**math**

you commute 63 miles one way to work. the trip to work takes 20 minutes longer than the trip home. your avarage speed on the trip home is 12 mph faster. What is your average speed on the trip home?

*November 7, 2010 by john*

**statystics**

: Human Resources took a survey and found that the average commute time one way is 25.4 minutes. However one of the executives feels that the commute is less. He randomly selects 25 commuters and finds that the average is 22.1 minutes with a standard deviation of 5.3 minutes. ...

*April 15, 2010 by Adela*

**Algebra**

Walk 1 or 2 miles. Check the time before starting your walk and at the end of your walk. Determine your walking rate in minutes per mile. Create an equation that describes this rate.

*January 18, 2016 by JamarLavine*

**trigonometry**

A truck with 48-in.-diameter wheels is traveling at 55 mi/h. Find the angular speed of the wheels in rad/min, *hint convert miles to inches & hours to minutes: __rad/min How many revolutions per minute do the wheels make?__ rpm

*March 15, 2013 by marie darling*

**adv pre algebra**

the temperature of a substance increases by 10 degrees celsius in 5 minutes. write this as a unit rate. then convert into degrees fahrenheit per hour.

*January 9, 2011 by Anonymous*

**trig**

An airplane is traveling at a speed of 724 km per hour at a bearing of N30°E. If the wind velocity is 32 km per hour from the west, find the resultant speed and direction of the plane.

*February 23, 2015 by Lin*

**Algebra**

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

*November 17, 2008 by Sam*

**calculus**

Given ensuing information, determine the least cost and the least cost mix of on- and off-shore pipe. The intake facility is in the water 2 miles vertically north of the shoreline The water filtration plant is on land 1 mile vertically south of the shoreline The intake and the...

*May 8, 2013 by James*

**MATH MS. SUE**

1. 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? If necessary, round to the nearest tenth of a mile. A. 4.9 miles B. 10 miles C. 1 mile ...

*December 8, 2016 by Steve*

**math**

Suppose you are looking for a job. You interview with a company that has 10 general employees each make $100 per day, 7 assistants each make $400 per day, 3 managers each make $900 per day, and the owner who makes $1900 per day. The interviewer tells you that the average ...

*January 23, 2012 by Anonymous*

**Accounting**

In the table given below, reconstruct the remaining information using the available data. [ WHERE THE X's ARE] All of the raw material purchased during the period was used in production. (Indicate the effect of each variance by selecting "Favorable" or "Unfavorable". Select "...

*November 17, 2015 by Sara*

**Math, Pre-Calculus.**

A postal airplane leaves lsland A and flies 91 miles to Island B. It drops off and picks up mail and flies 63 miles to lsland C. After unloading and loading A- mail, the plane returns to lsland A at an average rate of 300 miles per hour. How long does it take the pilot to ...

*April 28, 2016 by Daniel López*

**Quick math help**

A car rental is $65 per day plus $0.45 per mile travelled. Determine the equation of the line that represents the daily cost by the number of miles traveled. If a total of 450 miles was travelled in one day, how much is the rental company going to receive as a payment? ...

*December 11, 2013 by Anonymous*

**math**

Runnign at a consant speed, Andrea covers 15 miles in 2 and half hours. At this speed, how many minutes will it take her to run 2 miles?

*April 15, 2009 by Anonymous*

**Easy Math??**

Carol started from home on a trip averaging 30 miles per hour how fast must her mother drive to catch up to her in 3 hours if she leaves 30 minutes after Carol? Use an equation to solve your work. a.35 mph b.39 mph c.40 mph I heard that the answer is a, but I don't know how to...

*July 30, 2015 by Ryan*

**math**

Here is the information for two pay-as-you-go cell phone companies, On Call- 3.5 hours: $10 Talk Time- 1/2 hour: $1.25 1)What is the unit rate in dollars per hour for each company? 2)Which company offers the best deal? Explain your answer. 3)Another company offers a rate of $0...

*October 6, 2015 by Tim*

**finance management**

You are going to open a business making custom cabinets. You can sell each cabinet for $80. It takes a cabinetmaker approximately 45 minutes to make one cabinet. Each cabinetmaker works an 8-hour day earning $18 per hour. Each cabinet uses $25 in raw materials. You usually ...

*August 7, 2016 by sandra*

**Math**

Jan, Mya, and Sara ran a total of 64 miles. Jan and Maya ran the same amount and Sara ran 8 less then Maya. How many miles did Sara run?

*April 4, 2012 by Jackie*

**MATH**

SHELDON CAN RUN A MILE IN 6 4/5 MINUTES, HOW MANY MILES CAN HE RUN IN 30 MINUTES.

*December 16, 2014 by MICHELE*

**math word problems**

(24 cents) per mile. Toyotas rent for $31 per day and $.19 (19 cents) per mile. Write a cost equation for each rental car. Would the equation be in the form of y = mx + b y = .24x + 25 y = .19x + 31 The second one looks ok to me. All of the information from the first problem ...

*August 20, 2007 by Michelle W.*

**9th grade**

Trains A and B are traveling in the same direction on parallel tracks. Train A is traveling at 100 mile per hour and train B is traveling at 125 mile per hour. Train A passes a station at 3:15pm. If train B passes the same station at 3:27 pm at what time will train B catch up ...

*March 10, 2010 by Kimmie*

**Math**

Global Telephone charges 30 dollars for monthly phone service, plus a long distance calling rate of 15 cents per minute. After an hour of long distance calling charges,the rate drops to just 5 cents per minute for additional long distance calls. What will the monthly bill be ...

*August 2, 2011 by Kris*

**math**

6c=___pt Can someone show me steps please? You look up the conversion factor. There are two ways it can look; i.e., 2 cups = 1 pint OR 1 pint = 2 cups. Here is the way to do ALL conversions. ??pts = what you are given x conversion factor. ??pts = 6 cups x factor. So how do we ...

*November 30, 2006 by brooke*

**calc**

A train travels from city A to city B. The cities are 600 miles apart. The distance from city A at t hours after the train leaves A is given by d(t) = 50t + t^2. What is the average velocity of the train in miles per hour during the trip from A to B?

*February 6, 2010 by h*

**history**

What was the main result of the invention of the Clermont in 1807? This steamboat built by Robert Fulton helped speed up industrialization and increase interest in canal and river transport. This passenger train built by Henry Ford provided immigrants an easier way to move ...

*April 15, 2016 by abby*

**math (algebra)**

A construction crew built 6 miles of road in 2/7 days. what is the unit rate in the miles per day? Deon drove 469 miles in 7 hours. At the same rate, how long would it take him to drive 806 miles?

*October 30, 2015 by Anonymous*

**math**

define a variable and write an equality for each situation the maximum speed allowed on main st is 25 miles per hour a trainer advises an athlete to keep rate under 140 beats per minute

*October 13, 2012 by anonymous*

**math (statistics)**

Suppose you are looking for a job. You interview with a company that has 10 general employees each make $100 per day, 7 assistants each make $400 per day, 3 managers each make $900 per day, and the owner who makes $1900 per day. The interviewer tells you that the average ...

*January 23, 2012 by juan777*

**Math plz help me!!! URGENT!!**

1. Write the ratio in the simplest form. 16:24 (1 point) 1:2 4:3 3:4 2:3 2. Solve the following proportion. (1 point) p = 2 p = 8 p = 12 p = 24 3. A recipe calls for 2 cups of sugar to make 2 dozen cookies. Use the proportion to calculate how much sugar is needed to make 6 ...

*November 22, 2013 by jhubijn*

**Math I NEEEDDDD HELP PLEASEEEEE**

1. Write the ratio in the simplest form. 16:24 (1 point) 1:2 4:3 3:4 2:3 2. Solve the following proportion. (1 point) p = 2 p = 8 p = 12 p = 24 3. A recipe calls for 2 cups of sugar to make 2 dozen cookies. Use the proportion to calculate how much sugar is needed to make 6 ...

*December 20, 2016 by Jayisbeastin*

**Algebra**

How would you set up problem: your average rate traveling uphill was 2.2 kilometers per hour and average rate downhill was 3.3 kilometers per hour. If he spent a total of 12 hours hiking, how long was the trail?

*October 11, 2012 by Ellen P*

**physics**

Suzanne bikes 3 km to school every day. It takes her 20 minutes because she always has to stop at a traffic light. What is her average speed? A. 0.15 km/s B. 3 m/s C. 6.7 km/minute D. 9 km/h i keep picking A and C and getting this wrong. i know this is the formula: s = d/t but...

*September 13, 2014 by forrest*

**math**

If a boat can travel on the lake at 15 miles per hour, and it took 25 minutes to cross the lake, how many miles it took to cross the lake/

*January 19, 2011 by Timmy Adams*

**Pre-Calc.**

Alice walks on a straight line at four miles per hour. Two hours after she begins walking, Bob runs after her at a rate of six miles per hour. How many hours does it take for Bob to catch up to Alice?

*October 12, 2016 by 123*

**math**

A train leaves the station at 9:00 pm traveling east at 36 miles per hour. A second train leaves the station at 10:00 pm traveling west at 42 miles per hour. At what time will both trains have traveled the same distance? I need help solving it :)

*October 4, 2012 by ash*

**algebra**

A train leaves the station at 9:00 pm traveling east at 36 miles per hour. A second train leaves the station at 10:00 pm traveling west at 42 miles per hour. At what time will both trains have traveled the same distance? I need help solving it :)

*October 4, 2012 by ash*

**algebra**

Her average rate traveling uphill was 1.8 kilometers per hour and her average rate down hill was 4.2 kilometers per hour. If she spent a total of 16 hours hiking, how long was the trail?

*October 25, 2011 by Anonymous*

**Precalc**

A vehicle has an engine that is connected directly to a gear box. In the highest gear, a 2 inch radius gear is turning a 14 inch diameter gear. This gear is connected to the drive shaft. The drive shaft attaches to a wheel and a tire that measures 2 and 1/3 feet in diameter. ...

*February 10, 2014 by John*

**Precalculus**

A vehicle has an engine that is connected directly to a gear box. In the highest gear, a 2 inch radius gear is turning a 14 inch diameter gear. This gear is connected to the drive shaft. The drive shaft attaches to a wheel and a tire that measures 2 and 1/3 feet in diameter. ...

*September 14, 2015 by Heather*

**math**

A boat traveling downstream a distance of 39 miles then came right back.If the speed of the current was 12 mph and the total trip took 4 hours 20 minutes,find the average speed of the boat relative to the water.

*February 1, 2014 by russ*

**Math**

A train is 1 mile long and is going through a tunnel a mile long, if the train is going 15 miles per hour, how long will it take 4 the train to get completley through the tunnel?

*August 27, 2007 by Lindsey*