Tuesday

July 29, 2014

July 29, 2014

Number of results: 22,598

**math**

please explain the steps: Jim Williamson began a 96-mile bicycle trip to build up stamina for a triathlete competition.Unfortunately, his bicycle chain broke, so he finished the trip walking. The whole trip took 6 hours.If Jim walks at a rate of 4 miles per hour and rides at ...
*April 14, 2012 by micah*

**calculus**

Coroners estimate time of death using the rule of thumb that a body cools about 2 degrees F during the first hour after death and about 1 degree F for each additional hour. Assuming an air temperature of 78 degrees F and a living body temperature of 98.6 degrees F, the ...
*November 18, 2010 by bob*

**Math**

A cyclist bikes x distance at 10 miles per hour and returns over the same path at 8 miles per hour. What is the cyclist’s average rate for the round trip in miles per hour?
*August 22, 2007 by Coco*

**math**

18. A cyclist bikes x distance at 10 miles per hour and returns over the same path at 8 miles per hour. What is the cyclist's average rate for the round trip in miles per hour?
*August 9, 2010 by Lee*

**microeconomics**

Jason wants to hire Maria to tutor him in economics. Jason is willing to pay $30 for the first hour of tutoring, $25 for the second, $20 for the third, $15 for the fourth, and $10 for the fifth. Maria has an opportunity cost per hour of $6 for the first, $9 for the second, $12...
*February 29, 2008 by janet*

**Mathematics**

I dont understand one problem and if you have the time could you please check the other to that follow? 1. Jake was the winner of the mens bike race. He finished the race in 1 hour, 33 minutes, and 32 seconds. Lily had a time of 2 hours and 52 seconds. How much faster was Jake...
*November 26, 2007 by Brielle*

**Math**

3. You recently started the paperwork to purchase your new home, and you were just notified that you can move into the house in 2 weeks. You decide to hire a moving company, but are unsure which company to choose. You search online and are interested in contacting two ...
*October 12, 2008 by Jessica*

**algebra**

You recently started the paperwork to purchase your new home, and you were just notified that you can move into the house in 2 weeks. You decide to hire a moving company, but are unsure which company to choose. You search online and are interested in contacting two companies...
*July 18, 2009 by Dolores*

**math**

You recently started the paperwork to purchase your new home, and you were just notified that you can move into the house in 2 weeks. You decide to hire a moving company, but are unsure which company to choose. You search online and are interested in contacting two companies, ...
*July 18, 2009 by Bertha*

**Physics**

a truck is traveling in a straight line goes 60km in 83minutes. what is its average speed in km per hour?
*May 24, 2012 by Jen*

**Maths**

The Wellbuilt Company produces two types of wood chippers, Deluxe and Economy. The Deluxe model requires 3 hours to assemble and ˝ hour to paint, and the Economy model requires 2 hours to assemble and 1 hour to paint. The maximum number of assembly hours available is 24 per ...
*February 25, 2008 by Tushar*

**Math**

The Wellbuilt Company produces two types of wood chippers, Deluxe and Economy. The Deluxe model requires 3 hours to assemble and ˝ hour to paint, and the Economy model requires 2 hours to assemble and 1 hour to paint. The maximum number of assembly hours available is 24 per ...
*February 25, 2008 by Mike*

**math**

The Wellbuilt Company produces two types of wood chippers, Deluxe and Economy. The Deluxe model requires 3 hours to assemble and ˝ hour to paint, and the Economy model requires 2 hours to assemble and 1 hour to paint. The maximum number of assembly hours available is 24 per ...
*February 25, 2008 by Mike*

**Math - Linear Inequalities**

The Wellbuilt Company produces two types of wood chippers, Deluxe and Economy. The Deluxe model requires 3 hours to assemble and ˝ hour to paint, and the Economy model requires 2 hours to assemble and 1 hour to paint. The maximum number of assembly hours available is 24 per ...
*February 25, 2008 by Tushar*

**math**

On a 9-hour trip home from winter break, Mary was forced to drive on a stretch of highway that had a lot of construction. At first she had to go 55 miles per hour for a certain amount of time, but then she was able to go 65 miles per hour for the rest of the trip and in total ...
*August 19, 2013 by seth*

**physics**

A boat is traveling on a bearing of 25 degrees East of North at a speed of 4 knots (a knot is 1.852 km/h). After traveling for 3 hours, the boats heading is changed to due South and it travels for an additional 2 hours at 5 knots. Using a Vector diagram, what is the resultant?
*April 5, 2013 by Chad*

**physics**

A boat is traveling on a bearing of 25 degrees East of North at a speed of 4 knots (a knot is 1.852 km/h). After traveling for 3 hours, the boats heading is changed to due South and it travels for an additional 2 hours at 5 knots. Using a Vector diagram, what is the resultant?
*April 6, 2013 by Chad*

**physics**

A boat is traveling on a bearing of 25 degrees East of North at a speed of 4 knots (a knot is 1.852 km/h). After traveling for 3 hours, the boats heading is changed to due South and it travels for an additional 2 hours at 5 knots. Using a Vector diagram, what is the resultant?
*April 7, 2013 by Chad*

**Math..**

A car goes at 40 miles per hour and returns at the same route at 30 miles per hour. What is the total distance if the time is 1 hour? My answer 17 and 3/7
*December 30, 2012 by Anonymous*

**Algebra**

A student with a 1.875 gpa has 24 credit hours. Find out how many credit hours of b's (at 3 points per credit hour) he will need to raise his gpa to a 2.40
*October 9, 2007 by Brandy*

**Chemistry 22**

1. Lead (Pb), has a density of 11.35 g/ml. If I have 3.45 cc of lead, what is the weight in grams? 4. I am traveling at 100 mph per hour before getting pulled over. Convert this into meters Per second. (A) 161 m/s (C) 161000 m/s (B) 4.44 m/s (D) 44.4 m/s (E) 444.44 m/s 5. I ...
*August 31, 2010 by Ivy*

**Math**

Assume you work at a company where you are paid hourly. You are paid $8.60 per hour for regular time (less than or equal to forty hours) and time and a half for overtime hours up to fifty hours in one week. If you are asked to work fifty or more hours in one week you are paid ...
*February 16, 2011 by Anna*

**Math**

Cody wants to go on his senior class trip. He finds a job that pays $7 per hour and he also mows lawns for $9 an hour. He needs to earn $693 to pay for the trip, excluding spending money. 1. Write an inequality describing Cody's goal in terms of hours at his job, x, and hours ...
*January 23, 2014 by Elizabeth*

**math**

celia writes the equation d=8t to represent the distance in miles d thaat bikers could travel in t hours at a speed of 8 miles per hour... make a table that shows the distance traveled every half hour/up to 5 hours/if bikers ride at the costant speed? This is what the table ...
*October 2, 2006 by chemiii*

**Managerial Economics**

The Largo Publishing House uses 400 printers (workers) and 200 printing presses to produce books. A printer's wage rate is $20 per hour and the price per hour of a printing press is $5,000. The last printer hired added 20 books (per hour) to total output, while the last ...
*February 4, 2011 by Lil*

**Algebra 1**

Nico drives from school to the store at 25 miles per hour. He drives back to the school (along the same route) at 35 miles per hour, and the returns to the store (via the same route) travelling at 40 miles per hour. Find the average rate for the three trips. Round your answer ...
*October 30, 2010 by JK*

**math**

Justin worked for 7 hours and earned $38.50. How much did he earn per hour
*January 10, 2013 by jazzi*

**math**

Justin worked for 7 hours and earned 38.50. How much did he earn per hour
*January 10, 2013 by jazzi*

**math**

Assuming that a table saw blade has a diameter of 12 inches and spins at 3450 revolutions per minute (RPMs),determine how fast the tip of the teeth of the saw blade are traveling in miles per hour.
*May 4, 2013 by emma*

**Accounting**

Original budget for 2009 included $600,000 fixed overhead and $400,000 variable overhead. Labor hours were estimated at 200,000 labor hours. The predetermined overhead rate was $5 per hour. Actual overhead turned out to be $1,100,000. Actual labor hours were 220,000 which ...
*October 18, 2011 by Leslie*

**Math**

An airplane traveled a distance d in t hours, where r>1, and arrived one hour late. The airplane would have arrived on time if it had traveled at what rate per hour? a. t-1 b. d/t-1 c. d/t+1 d. d/t-1 e. d/t+1
*July 2, 2013 by Grace*

**Math**

The number of calls received by a car towing service averages 14.4 per day (per 24 hour period). After finding the mean number of calls per hour, find the probability that in a randomly selected hour the number of calls is 0
*February 27, 2011 by Katie *

**accounting**

An employee earns $40 per hour and 1.75 times that rate for all hours in excess of 40 hours per week. Assume that the employee worked 60 hours during the week, and that the gross pay prior to the current week totaled $58,000. Assume further that the social security tax rate ...
*November 5, 2010 by Anonymous*

**math**

If a tsunami is traveling at the speed of 500 miles per hour across the Pacific, how far has it gone in 15 minutes?
*August 27, 2007 by n'dea*

**algebra 2**

Rosalyn works no more than 16 hours a week during the school year. she is paid $10 and hour for tutoring geometry students and $7 an hour for delivering pizzas for Pizza King. She wants to spend at least 6 hours but no more than 8 hours a week tutoring. Find Rosalyn's maximum ...
*October 14, 2010 by jeanne*

**Quantiative Methods**

Western Family Steakhouse offers a variety of low-cost meals and quick service. Other than management, the steakhouse operates with two full-time employees who work 8 hours per day. The rest of the employees are part-time employees who are scheduled for 4 hours shifts during ...
*November 10, 2007 by Sharon*

**algebra**

this is my last questions and I'm stumped can someone help, if not I'll continue You recently started the paperwork to purchase your new home, and you were just notified that you can move into the house in 2 weeks. You decide to hire a moving company, but are unsure which ...
*March 10, 2008 by frustrated*

**maths**

Two planes take off from the same airport at the same time. One plane travels on a bearing S 12degreeW at 400 miles per hour. The other plane travels on a bearing N 75degreeE at 300 miles per hour. How far are the planes from each other 3 hours after takeoff?
*November 17, 2011 by ritu*

**math**

16. If you work 37.5 hours per week at $10.65 per hour, how much is your gross pay for a two-week period? (Round off your answer to the nearest cent.) A. $399.38 B. $788.10 C. $239.26 D. $798.75 i think its c
*May 23, 2014 by ralph*

**Physics**

A car (mass 880 kg) is traveling with a speed of 44 mi/h. A bug (mass 7.9 mg) is traveling in the opposite direction. What speed would the bug need in order to slow down the truck by one mile per hour in a big bug splash (i.e., final speed 43 mi/h)?
*October 16, 2010 by Alexis*

**Physics**

A car (mass 880 kg) is traveling with a speed of 44 mi/h. A bug (mass 7.9 mg) is traveling in the opposite direction. What speed would the bug need in order to slow down the truck by one mile per hour in a big bug splash (i.e., final speed 43 mi/h)?
*October 16, 2010 by Alexis*

**Physics**

A car (mass 800 kg) is traveling with a speed of 37 mi/h. A bug (mass 8.7 mg) is traveling in the opposite direction. What speed would the bug need in order to slow down the truck by one mile per hour in a big bug splash (i.e., final speed 36 mi/h)?
*November 2, 2012 by KT*

**Algebra**

A train leaves a city heading west and travels at 50 miles per hour. Three hours later, a second train leaves from the same place and travels in the same direction at 65 miles per hour. How long will it take for the second train to overtake the first train.
*June 1, 2010 by Avery*

**Stats**

-------------------------------------------------------------------------------- • Give a table extrapolating potential capacity using 1,000 households as a standard unit. o Using 3 hour window as the measurement tool o Using 7 hour window as the measurement tool o Include a ...
*March 24, 2008 by Sarah*

**math**

1.Mark makes Php 40.00 per hour if he works 40 hours or less.If works overtime,he makes an additional Php 5.00 per hour as overtime pay.What would be his total pay if he worked 58 hours? 2.The world's greatest known ocean depth of 36,201 feet was recorded in the Marianas ...
*June 17, 2013 by rhove*

**math**

Sue worked 37 hours at $3.20 per hour and made $92 in tips. What were her weekly earnings?
*January 4, 2010 by ange*

**math**

a jet travels at 435.6 miles per hour. how far will it travel in 6.75 hours?
*May 22, 2013 by alyssa*

**math**

A jet travels at 435.6 miles per hour. How far will it travel in 6 1/4 hours?
*May 23, 2013 by Anonymous*

**math**

riding her bicycle, terry averages 9.5 miles per hour. how far could she go in 2 2/3 hours?
*January 23, 2014 by Matt*

**math**

A company produces three types of color TVs: Models X, Y and Z. Each model X requires 2 hours of electronic work and 2 hours of assembly work. Each Y model requires 1 hour of electronic work and 3 hours of assembly work. Each model Z requires 3 hours of electronic work and 2 ...
*February 18, 2012 by Jen*

**math**

A company produces three types of color TVs: Models X, Y and Z. Each model X requires 2 hours of electronic work and 2 hours of assembly work. Each Y model requires 1 hour of electronic work and 3 hours of assembly work. Each model Z requires 3 hours of electronic work and 2 ...
*October 1, 2012 by justin*

**Calculus**

The velocity of a car (in miles per hour) is given by v(t) = 61.25t − 17.5 t^2 where t is in hours. Write a definite integral for the distance the car travels during the first 2.5 hours. Use your graphing calculator to find this distance. Distance =
*November 14, 2010 by Jane*

**pre-algerbra**

I have been working on this problem for an hour and a half! I keep getting 1.33 but I know that's not right!! Jim drove the 120 miles to grandmothers house in 3 hours. He increased the speed by 10 miles per hour on the way home. How long did it take him to drive home?
*November 4, 2010 by Katie*

**Comparing Data**

-------------------------------------------------------------------------------- • Give a table extrapolating potential capacity using 1,000 households as a standard unit. o Using 3 hour window as the measurement tool o Using 7 hour window as the measurement tool o Include a ...
*March 25, 2008 by Sarah*

**chemistry**

What is the wavelength of a ball that is 25.0 g traveling at 90.0 miles per hour (40.2 m/s)? I tried solving it by using c = wavelenth* frequeny but i get the wron answer
*April 9, 2009 by Sandra*

**math**

Complete in Metric Conversions: A dozer is traveling at 5 miles per hour. How many seconds will it take to travel 160 feet?
*March 27, 2012 by Amy*

**MATH**

liz earns a weekly salary of $459 and $20 per hour for each over time hour she works. this week her total pay including salary and overtime was $559. write an equation.how many hours of overtime did liz work?
*October 3, 2011 by CHACHIS27*

**Physics**

A car (mass 880 kg) is traveling with a speed of 44 mi/h. A bug (mass 7.9 mg) is traveling in the opposite direction. What speed would the bug need in order to slow down the truck by one mile per hour in a big bug splash (i.e., final speed 43 mi/h)? I don't know how to ...
*October 17, 2010 by Alexis*

**Finance**

• The acquisition cost is $35,000 paid at the time of installation. • It reduces the wait staff by one person: Figure $10 per hour, or 2020 hours per year + 18% benefits. • Money costs are 7% • The system may become obsolete in three years.
*May 2, 2010 by Anonymous*

**business**

The acquisition cost is $35,000 paid at the time of installation. It reduces the wait staff by one person: Figure $10 per hour, or 2020 hours per year + 18% benefits. Money costs are 7% .The system may become obsolete in three years.
*June 13, 2010 by suzie-Q*

**Linear Algebra**

A company separates iron, zinc, and kryptonite from ore by the floatation separation process, which has three steps: oiling, mixing, and separation. These steps must be applied for 4, 5, and 1 hour respectively to produce one unit of iron; 4, 4, and 1 hour respectively to ...
*February 17, 2013 by Abby*

**Algebra**

A bus leaves a station at 1 P.M., traveling west at an average rate of 44 mi/h. One hour later a second bus leaves the same station, traveling east at a rate of 48 mi/h. At what time will the buses be 274 mi apart? They separate at a rate of 44 + 48 = 92 mph. Divide 274 miles ...
*August 3, 2007 by Kattbyrde*

**math**

a plane travels 1020 miles from new york city to minneapolis in 3.3 hours. the return trip takes 2.75 hours. how fast is the plane flying in miles per hour during the return flight?
*December 9, 2013 by John Dosley*

**Accounting**

Original budget for 2009 included $600,000 fixed overhead and $400,000 variable overhead. Labor hours were estimated at 200,000 labor hours. The predetermined overhead rate was $5 per hour. Actual overhead turned out to be $1,100,000. Actual labor hours were 220,000 which ...
*October 18, 2011 by Leslie*

**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?
*March 8, 2012 by Anonymous*

**algebra**

Dustin drives 5 miles per hour faster than Kelly. If he leaves town 1 hour after Kelly and they travel in opposite directions, they will have drive equal distances after Dustin has traveled 7 hours. How far apart are they?
*September 24, 2009 by annette*

**math**

One radio station has an average of 12 minutes of advertising per hour. The station broadcasts 14 hours per day. How much advertising time can it sell each week?
*March 12, 2014 by Anonymous*

**trigonometry**

can you tell me how to actually do this. find thenumebr of radians through which the hour hand of a clock turns in 5 hours. i dont know what i did, this is what i wrote: 360degrees=1 hour 1800 degrees=5 hours 1800(pi/180) somehow i got 10pi which is apparantly wrong.
*January 7, 2009 by please check*

**Algebra**

If some one can get me started, I should be able to graph this. MONTGOMERY COUNTY COMMUNITY COLLEGE MAT106 SUMMER, 2007 ASSIGNMENT #1 NAME______________________________ The Wellbuilt Company produces two types of wood chippers, Deluxe and Economy. The Deluxe model requires 3 ...
*May 30, 2007 by Jason*

**calculas maths**

.Two hikers begin at the same location and walk in perpendicular directions. Hiker A travels due north at a rate of 3 miles per hour; Hiker B travels due east at a rate of 5 miles per hour. At what rate is the distance between the two hikers changing 4 hours into the hike?
*November 3, 2012 by ashwani*

**College algebra**

A person is driving a car on a straight road. The graph shows the distance in y miles that the individual is from home after x hours. the graph has the following points (1, 40) and (3, 90) Find the slope intercept of the line y = ____x + ______ How fast is the car traveling? ...
*December 6, 2010 by Lee*

**math**

5. A bus on a regular schedule takes 3 1/4 hours to reach its destination. The express bus takes 2 1/2 hours to make the same trip. How much travel time can be saved by taking the express? A. 1 1/4 hours B. 3/4 hour C. 2 hours D. 5 3/4 hours it C right?
*May 16, 2013 by lola*

**ALGEBRA**

You recently started the paperwork to purchase your new home, and were just notified that you can move into the house in 2 weeks. You decide to hire a moving company, but are unsure which company to choose. You search online and are interested in contacting two companies, ...
*May 20, 2011 by Imagine*

**12th grade**

What distance would Mario travel if he drove for 4(3/4) hours at 70 miles per hour?
*April 27, 2010 by dee*

**buisness princples**

Rose worked 32 hours at $2.75 per hour and made $85 in tips. What were her weekly earnings?
*February 2, 2012 by kaze soloman*

**math**

How far will a migrating duck fly in 7 hours at an average speed of 21 miles per hour
*January 10, 2013 by jasmine*

**math6**

shaunti drove 621miles in 11.5 hours.wht was her average speed in miles per hour?
*February 4, 2013 by fatima*

**math**

8 gallons per hour each gallon wt. 7 1/4 in six hours what is the amount in pounds?? and how did you arrive at this solution??
*October 21, 2013 by dw*

**Physics**

A bus started out going 20 miles per hour on the highway. One hour later it drove 40 miles per hour on the freeway. How long did it take to go 140 miles? Is the correct answer 3.5 minutes.
*March 11, 2012 by Anonymous*

**Physics**

A bus started out going 20 miles per hour on the highway. One hour later it drove 40 miles per hour on the freeway. How long did it take to go 140 miles? Is the correct answer 3.5 minutes.
*March 11, 2012 by Anonymous*

**Physics**

A bus started out going 20 miles per hour on the highway. One hour later it drove 40 miles per hour on the freeway. How long did it take to go 140 miles? Is the correct answer 3.5 minutes.
*March 11, 2012 by Anonymous*

**Math 2**

The instruction booklet for a DVD player says that the player uses about 0.4 kilowatt of electricity per hour. If electricity costs $0.20 per kilowatt per hour. How much does it cost to run the player for an hour?
*May 2, 2014 by Jenny 2*

**Algebra**

Ben traveled by car at an average speed of 29 miles per hour. Then, he traveled by motorcycle at an average speed of 53 miles per hour. In total, he traveled 333 miles for 9 hours. How many minutes did Ben travel by motorcycle? (Round to the nearest minute.)
*August 13, 2012 by Charlotte*

**science**

Thank you. I don't know if this one is right- At the speed of 2.5m/s, how many seconnds will it take the kayak to run a 4,500 m course? what is the speed of the kayak in kilometers per hour? speed= 4,500km/2.5h*60min/1 h =270,000/2.5=108,000km/h Thank you Ms. Sue :-)
*March 9, 2011 by Annie*

**Comparing Data--Need AsAP**

Give a table extrapolating potential capacity using 1,000 households as a standard unit. o Using 3 hour window as the measurement tool o Using 7 hour window as the measurement tool o Include a column on number of buses need to cover the City (if it were broken into 1,000 ...
*March 25, 2008 by Sarah*

**algebra**

Please I'm stuck!!!!! A person is driving a car on a straight road. The graph shows the distance in y miles that the individual is from home after x hours. the graph has the following points (1, 40) and (3, 90) Find the slope intercept of the line y = ____x + ______ How fast ...
*December 6, 2010 by Lee*

**physics**

The Earth has a radius of about 6.38 ´ 103 kilometers at the equator and rotates 360° every 24 hours. The angular displacement of a person standing at the equator for 8.0 hours is:
*April 7, 2013 by carmen*

**Math**

Gina's base pay rate is $12.25 per hour, with overtime pay of time-and-a-half, and double-time for holidays. Calculate her gross pay if she worked 4.5 holiday hours in addition to 39 hours Monday through Saturday Is this the proper way to set it up: (12.25 * 1.5 * 39)= ? (12....
*February 22, 2014 by Niki*

**algebra**

Can someone PLEASE help me with this problem?? In a study of worker efficiency at Wong Laboratories it was found that the number of components assembled per hour by the average worker t hours after starting work could be modeled by the formula N(t)3t3 23t2 8t. a) Rewrite...
*July 31, 2010 by samuala*

**geology**

1. Given the map, the seismograms, the sp graph and the nomogram below, find the epicenter and the intensity of the earthquake. 2. Given the map below find the distance between Sao Paulo (Brazil) and Cape South Africa 10,000,000 years from now. The actual distance between the ...
*October 12, 2010 by andre F*

**math**

Lauren drove her car for 3 hours in a dust storm. When the skies cleared, she increased her speed by 30 miles per hour and drove 4 more hours, completing her 295-mile trip. How fast did she travel during the dust storm?
*February 14, 2011 by RNRH*

**statistics**

A university dean wishes to estimate the average number of hours his part-time instructors teach per week. The standard deviation is 2.6 hours. How large a sample must be selected if he wants to be 95% confident of finding whether the true mean differs from the sample mean by ...
*March 30, 2011 by bob*

**Math**

A girl earns $6.00 an hour when she works Monday through Friday and $9.00 an hour on Saturday. Last week, her salary was $273 for 42 hours of work. How many hours did she work on Saturday?
*October 28, 2010 by Sunny*

**math**

Enrique charges $5 for every 1/5 hour he spends walking dogs. In the morning he walks Buttons for 2/5 hour, Bruno for 1/5 hour, and Pepper for 3/5 hour, Monday through Friday. On Saturdays he takes Mimi, Diva, and Coco to the dog park for 4/5 of an hour. On Wednesday this week...
*March 28, 2014 by suri*

**math**

Enrique charges $5 for every 1/5 hour he spends walking dogs. In the morning he walks Buttons for 2/5 hour, Bruno for 1/5 hour, and Pepper for 3/5 hour, Monday through Friday. On Saturdays he takes Mimi, Diva, and Coco to the dog park for 4/5 of an hour. On Wednesday this week...
*March 28, 2014 by John*

**science**

How many pounds of pressure does a 25 pound baby weigh in a head on collision when the car is traveling at 25 miles per hour. (and hits a stationary object)
*April 12, 2011 by Karen *

**math**

A dozer is traveling at 5 miles per hour. How many seconds will it take to travel 160 feet? I have to solve this by the dimensional analysis method.
*March 31, 2012 by Lyndsey*

**Math**

The relationship between the speed of travel and the distance traveled can be described by the equation d=rt where d = distance traveled in miles, r = speed (or rate) of travel in miles per hour, and t = time traveled in hours. Graph this function when the speed of travel, r, ...
*May 10, 2007 by Kiki*

**math**

a round trip car ride took 12 hours. the first half of the trip took 7 hours at a rate of 45 miles per hour. what was the average rate of speed on the return trip?
*May 31, 2010 by Sara!*

**MATH!**

a round trip car ride took 12 hours. the first half of the trip took 7 hours at a rate of 45 miles per hour. what was the average rate of speed on the return trip?
*May 31, 2010 by Sara!*

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