Tuesday

May 31, 2016
Number of results: 58,973

**math**

juan travels at the rate of 30miles per hour for 4 hours. He then return over the same route in 3 hours.What was his average rate for the return trip in miles per hour a-22 1/2 b-34 2/7 c-35 d-36 e-40 answer: f-40
*September 1, 2010 by AnOnYmOuS1*

**math**

at the rate of 360 miles per hour, how far would an airplane travel in 1 hour and 20 minutes
*July 16, 2014 by Mary *

**math **

Pat worked 43 hours and received $7.25 per hour for regular pay and time-and-a-half for all hours over 40 hours. What were her weekly earnings?
*September 6, 2013 by aj*

**math**

Pat worked 43 hours and received $7.25 per hour for regular pay and time-and-a-half for all hours over 40 hours. What were her weekly earnings?
*September 24, 2015 by rick*

**chemistry**

On a trip you travel 308km in 3.5h and use 32L of gasoline. A) What is your average speed in km per hour? B)What is your gas mileage in miles per gallon?
*January 26, 2011 by Twynna *

**chemistry**

On a trip you travel 308km in 3.5h and use 32l of gasoline. A)What is your average speed in kn per hour? B)What is your gas mileage in miles per gallon?
*January 28, 2011 by Twynna *

**math**

Mack’s hourly wage is raised from $12.10 per hour to $13.35 per hour. He works 40 hours per week. How much more does he earn per week at this new rate?
*November 1, 2011 by Anonymous*

**calculus**

1. A rocket is fired vertically into the air. Six kilometers away, a telescope tracks the rocket. At a certain moment, the angle between the telescope and the ground is and is increasing at a rate of 0.6 radians per minute. (See the picture. I have defined y to be the height ...
*May 9, 2016 by dennis*

**pre-calculus**

A developer wants to build homes on a rectangular plot of land 4 kilometers long and 3 kilometers wide. In this part of the city, regulations require a greenbelt of uniform width along two adjacent sides. The greenbelt must be 10 times the area of the development. find the ...
*October 14, 2011 by jordan*

**Math**

1) A car is traveling at a rate of 70 miles per hour. what is this speed in feet per minute. 2) Nina can braid 28 inches of rope in 1 hour. What is her speed in feet per hour? I am studying but I don't understand these questions. I have test tomorrow. Thank you.
*December 14, 2014 by Alice*

**Math**

Shawn earns $3.50 per hour for the first 40 hours worked in a week and $20.25 per week, for hours over 40. If he earns $661.50 in one week, how many hours did he work?
*March 17, 2016 by Anonymous*

**hmsa**

Use the fact that speed of light in a vacum is about 3.00×10 to the 8 m/s to determine how many kilometers a pulse from a laser beam travels in exactly 1.5 hour (s)
*September 16, 2014 by lenworth*

**math .**

Rufus works an average of 46 hours each week. He gets paid $5.70 per hour and time-and-a-half for all hours over 40 hours. What is his annual income?
*January 4, 2010 by sabina*

**Math**

Two trains are both traveling at a constant speed toward each other on neighboring tracks. The trains are 252 miles apart when they start traveling. They pass each other 4 1/2 hours later. One of the trains is traveling 25 3/4 miles per hour. What is the speed of the other ...
*March 17, 2016 by Anonymous*

**algebra**

Mia jogs 3 kilometers in 20 minutes. There are about 0.6 miles in a kilometer. What is Mia’s approximate speed in miles per minute?
*December 1, 2015 by Anonymous*

**science**

If Earth is 149.6 million Kilometers from the sun, or 93 million miles away. suppose there was an imaginary road from earth to the sun. If you were in a car traveling 100 km an hour, it would take you 1,490,000 hours or just 170 years to reach the sun. If it took 170 years to ...
*April 2, 2008 by Dj*

**algebra**

A consultant traveled 7 hours to attend a meeting. The return trip took only 6 hours because the speed was 10 miles per hour faster. What was the consultant's speed each way? I am trying to use the formula d=r*t how can i get the speed with out the distance Let r be his speed ...
*March 30, 2007 by Ray*

**Economics**

A reliable 15-year-old babysitter can be a price maker within her own neighborhood. Suppose that this babysitter wishes to implement a Multipart Pricing Plan. Customers who use her services less than L hours per month will pay a high price of PH dollars per hour. Customers who...
*July 20, 2010 by James*

**physics**

how many kilometers per liter will a car obtain if its engine is 25% efficient and it encounters an average retarding force of 500N at highway speed? assume that the energy content of gasoline is 40Mj/liter
*December 21, 2009 by john*

**Physics**

An airplane whose speed is 150km/hr climbs from a runway at an angle of 20° above the horizontal. What is its altitude two minutes after takeoff? How many kilometers does it travel in a horizontal direction during this two minute period? My work: 150cos(20) = 140.9 150sin(20...
*October 10, 2014 by Anonymous*

**davidson high**

a consultant traveled 7 hours to attend a meeting. The return trip took only 6 hours because the speed was 10 miles per hour faster. What was the consultant's speed each way?
*September 25, 2007 by lisa*

**math**

A construction crew has just finished building a road. The road is 10 kilometers long. If the crew worked for 4 2/3 days, how many kilometers of road did they build each day? (Assume they built the same amount each day.) Write your answer as a mixed number in simplest form.
*October 3, 2015 by Joy*

**math**

I need help to get started with writing the equation for the following problem: It takes a freight train 2 hours longer to travel 300 miles than it takes an express train to travel 280 miles. The rate of the express train is 20 miles per hour greater than the rate of the ...
*April 1, 2010 by fiona*

**chemistry**

An alien rocketship is traveling at a speed of 4,900,000 4{,}900{,}000 inches per hour. At this speed, how many miles will it travel in 1 minute? Round to the nearest thousandth.
*September 5, 2012 by britney*

**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*

**consumer math**

Rufus works an average of 46 hours each week. He gets paid $5.70 per hour and time-and-a-half for all hours over 40 hours. What is his annual income?
*February 5, 2010 by AR*

**Math**

Mark and Sandy are participating in a Bike-a-Thon for charity. Mark oversleeps, so Sandy gets a one hour head start and bikes at a speed of 12 miles per hour. To catch up to Sandy, Mark decides that he needs to bike at a speed of 15 miles per hour. 1. Make a chart that shows ...
*November 12, 2013 by Jerald*

**Geometry**

11-1 Lines that Intersect Circles 15. Olympus Mons's peak rises 25 kilometers above the surface of the planet Mars. The diameter of Mars is approximately 6,794 kilometers. What is the distance from the peak of Olympus Mons to the horizon to the nearest kilometer?
*March 19, 2012 by Ariel*

**Algebra 1**

suppose you can work a total of no more than 20 hours per week at your two jobs. Babysitting pays $5 per hour, and your cashier job pays $6 per hour. youneed to earn at least $90per week to cover your expenses. Write a system of inequalities that show s the various numbers of ...
*December 15, 2014 by molly*

**math**

a manufacturer markets 2 products. each unit of Product A requires 3 hours in the moulding department, 4 hours in the Paint Shop, 1 Hour in Finishing. Each unit of B requires 3 hours in moulding, 2 hours Painting, and 2 hours finishing. Each week there are 210 hours available ...
*July 16, 2013 by kevin*

**physics**

Use the fact that the speed of light in a vacuum is about 3.00 108 m/s to determine how many kilometers a pulse from a laser beam travels in exactly 4.9 hour(s)
*August 23, 2011 by Anonymous*

**physics**

Use the fact that the speed of light in a vacuum is about 3.00 108 m/s to determine how many kilometers a pulse from a laser beam travels in exactly 4.9 hour(s)
*August 23, 2011 by Anonymous*

**math**

A worker submits the following data on a timesheet: Week 1 – Total hours: 42 (including 4 hrs sick leave, 6 hrs travel) Week 2 – Total hours: 46 (including 5 hrs travel) What percentage of the recorded time did the worker spend traveling?
*July 21, 2010 by Anonymous*

**Trigonometry **

A plane flies 510 kilometers with a bearing of N43 degrees W from airport B to airport C. The plane then flies SW 790 kilometers from C to A which is due west of B. Find bearing of flight from C to A.
*November 17, 2015 by Shannon*

**Algebra II**

The problem states: Saturn is approximately 1.4x 10 to the 9th power kilometers from the Sun. If light travels at approx. 3.0 x 10 to the 5th power kilometers per second, how long does it take light from the Sun to reach Saturn? Express your answer in scientific notation. The ...
*February 3, 2008 by Lucy*

**math**

on the fastest speedways, some drivers reach average speeds of 2 miles per minute. write the formula that gives the number of miles M that such driver would travel in x minutes. How would this driver travel in 37 minutes
*April 11, 2011 by Joe*

**Math**

If Sally can paint a house in 4 hours, & John can paint the same house in 6 hours, how long will it take for both of them to paint the house together? ' I am having trouble remembering how to set up the equation? Amount of work accomplished = (Rate of work) x time The rates of...
*March 5, 2007 by Katie*

**maths**

the police officer also gathered data on the speedsx, in kilometers per hour (km/h) of some cars as they drove down the hill towards her car. the speed limit is 50 km/h. Analysis of the results showed that the speeds of cars were normally distributed with a mean speed of 56 km...
*August 26, 2007 by kate*

**Science**

Approximately how long does an earhquake P-wave take to travel the first 6500 kilometers after the earthquake occurs? a. 6.5 min b. 8.0 min c. 10.0 min d. 18.5 min
*March 24, 2009 by Angie*

**Algebra**

The diameter of the moon is about 3476 kilometers. The distance from earth to moon is about 384,400 kilometers. About how many moons could be lined up in a row between earth and the moon? Round to the nearest whole number. Please help answer thanks
*October 7, 2014 by Ms. Liz*

**Trig application **

I worked this problem out but I do not fully understand what I am doing. Fire tower A is 30 kilometers due west of fire tower B.. A fire is spotted from the towers, and the bearings from A and B are N 76 degrees E and N 56 degrees W, respectively. Find the distance d of the ...
*February 21, 2015 by Hutch*

**Math**

A jet travels 480 miles in 2 hours. At this rate, how far could the jet fly in 8 hours? What is the rate of speed of the jet? In 8 hours it would travel 1920 miles. How would I find the rate of speed?
*September 30, 2015 by Steve B*

**Intergated chemistry/physics**

If you were in a car traveling 50 miles/hours, how many miles could you travel if you continued for 15 hours without stopping?
*October 3, 2012 by Laura*

**BUSINESS MATH**

A worker is paid $9.80 per hour, with time and a half for any hours over 40 per week. If he works 44 hours in a week, what will be his gross pay amount
*November 7, 2013 by Anonymous*

**math**

can your help me with my homework question? Gildas family goes on vacation. They travel 125 miles in the first 2.5 hours.If Gildas family continues to travel at this rate.how many miles will they travel in 6 hours? distance= rate + time
*February 17, 2010 by pavleen*

**physics**

a roller coaster, traveling with an initial speed of 15 meters per second, decelerates uniformly at -7.0 meters per second Squared to a full stop. Approximately how far does the roller coaster travel during its deceleration?
*September 17, 2010 by Ron*

**statistics**

researchers believe a new sleep on average 10 hours per night ( µ = 10), with a population standard deviation of 2.3 hours(s=2.3) it is assume that the number of hours of sleep per night is normal distributed , however you think this drug causes people to sleep less than 10 ...
*June 13, 2011 by jessica *

**algebra**

Andy’s average driving speed for a 4-hour trip was 45 miles per hour. During the first 3 hours he drove 40 miles per hour. What was his average speed for the last hour of his trip?
*April 24, 2013 by jj*

**math **

one of your friends is heading north for a holiday and the other is heading south . If their destinations arre 1029 miles apart and one car is traveling at 45 miles per hour and the other is traveling at 53 miles per hour . How many hours before the two cars pass each other ?
*February 3, 2011 by pammy *

**math**

Cheryl is training for a long bicycle ride. Jim will drive Cheryl back and her bicycle 60 miles from town, drop them off, and then drive back to town. Cheryl then will ride her bicycle back to town. On the way back to town, Jim will travel at 50 miles per hour and Cheryl will ...
*February 1, 2012 by Melanie*

**Math**

During the summer break, Allie works as many as 35 hours per week. On Saturdays she spends between two and six hours teaching adults to swim. On weekdays, she can work between 10 and 40 hours teaching swimming lessons at a children's camp. Teaching adults pay $10 per hour ...
*April 23, 2012 by Nguyen*

**Math**

Bill and Harry are practicing for a track meet. Last week, Bill ran 900 meters on each of 3 days. Harry ran 1.2 kilometers on each of 2 days. Between last week and this week, Bill wants to run a total of 6 kilometers. How far does Bill need to run this week?
*April 21, 2015 by Shannon Lin*

**computer science**

I need help with my Java homework! Write a program that calculates a customer's monthly bill. It should ask the user to enter the letter of the package the customer has purchased (A, B, or C) and the number of hours that were used. It should then display the charges. Modify ...
*February 15, 2010 by Matt*

**MATH**

HOW LONG WILL IT TAKE A CAR BEING DRIVEN AT A SPEED OF 15 MILES PER HOUR TO TRAVEL 26,400 FEET? AN OBJECT MOVING AT A RATE 0F 15 MILES PER HOUR TRAVELS 22 FEET IN ONE SECOND.
*August 18, 2010 by BILL*

**Physics**

If a car is going .197 meters per second, how long will it take to go 5 kilometers (assuming the ground is perfectly flat).
*October 6, 2013 by Nick*

**Algebra 2**

5.) A boat makes a trip downstream in 5 hours. The return trip against the current takes 12 hours. If the speed of the current is 3 1/2 km/h, what is the speed of the boat in still water? 6.) How far does the boat referred to in Exercise 5 travel (one-way)?
*August 31, 2014 by Alex*

**Algebra**

5.) A boat makes a trip downstream in 5 hours. The return trip against the current takes 12 hours. If the speed of the current is 3 1/2 km/h, what is the speed of the boat in still water? 6.) How far does the boat referred to in Exercise 5 travel (one-way)?
*August 31, 2014 by Lily*

**Science**

The rest stops the driver made are included in the calculations because that is hoe the problem is defined. However, suppose the bus driver's manager wants to know the average speed at which the driver was actually driving the bus that day while he was on the road. In this ...
*February 18, 2012 by Angelica *

**Science**

An object travels 8 m in the 1st second of travel, 8 m again in the 2nd second of travel, and 8 m again during the 3rd second of travel. its acceleration in meters per second per second is? Would the answer to this question be 0? I'm not positive, but wouldn't the acceleration...
*March 8, 2007 by Anonymous*

**math 115**

What units in the metric system would you use to measure each of the following quantities?= The United States emitted 19.5 million t of nitrogen oxides (NO) into the atmosphere in 1987. One metric ton (1 t) equals 1,000 kg. How many kilograms of NO were emitted to the ...
*September 30, 2009 by amber*

**math 115**

What units in the metric system would you use to measure each of the following quantities?= The United States emitted 19.5 million t of nitrogen oxides (NO) into the atmosphere in 1987. One metric ton (1 t) equals 1,000 kg. How many kilograms of NO were emitted to the ...
*September 30, 2009 by amber*

**MATH**

1. A factory manufactures two products, each requiring the use of three machines. The first machine can be used at most 60 hours; the second machine at most 30 hours; and the third machine at most 80 hours. The first product requires 2 hours on machine 1, 1 hour on machine 2, ...
*May 12, 2014 by ANGELLA*

**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*

**Math**

A cyclist is traveling at a speed of 14 miles per hour. How long did it take the cyclist to travel 112 miles?
*April 2, 2016 by Lily*

**bob help**

how do u come up w/the answer? Two cyclists start biking from a trail's start 3 hours apart. The second cyclist travels at 10 miles per hour and starts 3 hours after the first cyclist who is traveling at 6 miles per hour. How much time will pass before the second cyclist ...
*September 11, 2008 by test comin up*

**Algebra**

Manny works 40 hours per week. He must work for his parents where he earns $8 per hour. He also works for a computer company where he earns $20 per hour. What is the minimum number of hours Manny can work for the computer company to earn a total of $464 per week from both jobs?
*July 7, 2008 by Donghae*

**Math word problem**

Two cyclists start biking from a trail's start 3 hours apart. The second cyclist travels at 10 miles per hour and starts 3 hours after the first cyclist eho is traveling at 6 miles per hour. How much time will pass before the second cyclist catches up with the first from the ...
*March 4, 2009 by Anonymous*

**trigonometry**

A motor boat moves in the direction N32degreeW for 3hrs. at 18miles per hour. How far north and how far west does it travel?
*October 28, 2014 by Aki*

**Chemistry**

Light travels at a speed of 3.00 times 10^10 cm/s. What is the speed of light in kilometers/hour?
*February 21, 2014 by Kelsi*

**math urgent**

2 rainstorms occurred in one week in a certain area in the first storm, 15ml of rain fell per hour, and in the second storm, 20ml of rain fell per hour. rain lasted for a total of 40 hours, resulting in a total rain of 675ml. how long was each storm. 1st storm = hours 2nd ...
*November 29, 2010 by leeann*

**Math**

If a man travels at an average speed of 112 km,how far will he travel in 3 hours and 45 minutes
*May 12, 2016 by Rearabetswe*

**dips international Jalandhar**

A car travelling at constant speed travel 320 km in 6 hours what distance will it cover in 9 hours
*January 10, 2016 by jasmine*

**algebra **

Two cyclists start biking from a trail's start 3 hours apart. The second cyclist travels at 10 miles per hour and starts 3 hours after the first cyclist who is traveling at 6 miles per hour. How much time will pass before the second cyclist catches up with the first from the ...
*April 10, 2010 by vera*

**MATH ANALYSIS**

How do i do this? According to Kepler's Laws, planets have elliptical orbits, with the sun at one of the foci. The farthest Pluto gets from the sun is 7.4 billion kilometers. The closest it gets to the sun is 4.4 billion kilometers. Find the equation of the orbit of Pluto.
*December 7, 2009 by anonymous*

**math liberal arts**

A piece of land in Ottawa with an area of 0.4 square kilometers is priced at 5600 Canadian dollars. If there are 1.358 Canadian dollars per (U.S.) dollar, then what is the price in dollars per squaremile?
*January 26, 2013 by Anonymous*

**math **

Their car gets 30 miles per gallon in gas mileage. They are traveling for seven hours at a rate of 55 miles per hour. Assuming no stops, how much gas will they need to complete their seven hour trip?
*May 20, 2014 by Anonymous*

**Math 1324**

A manufacturer produces two models of elliptical cross-training exercise machines. The times for assembling, finishing, and packaging model A are 3 hours, 3 hours, and 0.8 hour, respectively. The times for model B are 4 hours, 2.5 hours, and 0.4 hour. The total times available...
*May 10, 2016 by Adam*

**physics**

An airplane whose speed is 150km/hr climbs from a runway at an angle of 20° above the horizontal. What is its altitude two minutes after takeoff? How many kilometers does it travel in a horizontal direction during this two minute period? Find the altitude and horizontal ...
*October 11, 2014 by Emily*

**Math**

A geosynchronous equatorial orbiting satellite orbits 22,300 miles above the equator of Earth. It completes one full revolution each 24 hours. Assume Earth's radius is 3960 miles. a. How far will the GEO satellite travel in one day? b. What is the satellite's linear velcoity ...
*November 18, 2007 by Mike*

**maths**

a hiker walk due east at 4km per hour and a second hiker starting from the same point walks 55 degree north-east at the rate of 6km per hour. H ow far apart will they be after 2 hours
*February 15, 2013 by bushra*

**math**

Train leaves a stationa traveling at 60 miles per hour. Eight hours later train B leaves the same station traveling in the same direction at 80 miles per hour. How long does it atke for train B to catch up to train A.?
*October 14, 2010 by Matt*

**math**

The London Eye is a large ferris wheel. Each sealed and air-conditioned passenger capsule holds about 25 passengers. The diameter of the wheel is 135 m, and the wheel takes about half an hour to complete one revolution. a) Determine the exact angle, in radians, that a ...
*November 6, 2009 by ariza*

**math**

The London Eye is a large ferris wheel. Each sealed and air-conditioned passenger capsule holds about 25 passengers. The diameter of the wheel is 135 m, and the wheel takes about half an hour to complete one revolution. a) Determine the exact angle, in radians, that a ...
*November 6, 2009 by -*

**alg**

1. (20 points) Police use the equation to estimate the speed (s) of a car, in miles per hour, based on the length (x), of its skid marks upon sudden braking on dry asphalt. a. Solve this equation for d. b. A motorist is involved in an accident. The skid marks are measured to ...
*July 23, 2011 by patricia*

**algebra-NOW PLEASE**

A boat is traveling in a river with a current that has a speed of 1.5 km/h. In one hour, the boat can travel twice the distance downstream as it can travel upstream. What is the boat's speed in still water?
*December 4, 2012 by Alex*

**Consumer/Bus Math Sem 1 (Standard)**

Pat worked 43 hours and received $7.25 per hour for regular pay and time-and-a-half for all hours over 40 hours. What were her weekly earnings? $22.83 $322.63 $269.75
*December 18, 2012 by Erica*

**mathematics **

On a map of the Fox River, 1 centimeter represents 2.5 kilometers. If a trail by the river is actually 9.50 kilometers long, what is the length of the river on the map? A) 3.8 centimeters B) 2 centimeters C) 5.8 centimeters D) 7 centimeters i dont know the formula
*August 6, 2015 by Jackie*

**Algebra**

Two cars start at the same point at Alexandria, verginia, and travel 2 opposite directions. One car travels 5 miles per hour faster than the other car. After 4 hours, the two cars are 420 miles apart. Find the speed of each car.
*March 28, 2013 by Lora*

**Math**

How many hours does it take for the hour hand to travel as far as the minute hand travels in 40 minutes?
*April 21, 2013 by Liz Marie*

**Math**

How many hours does it take for the hour hand to travel as far as the minute hand travels in 40 minutes?
*April 21, 2013 by Liz Marie*

**math**

A map scale indicates that 1 inch equals 175 miles. The distance between two points on the map measures 5 3/4 inches. What is the actual distance between those two points in kilometers? (1 mile = 1.61 kilometers.)
*March 5, 2015 by Anonymous*

**science**

a toy car is traveling .5 meters per second.It goes 3.5 seconds. how far did it travel.
*November 20, 2012 by mimi*

**math**

A piece of land with an area of .5 square kilometers is priced at $5700 Canadian. If there are 1.269 Canadian dollars per (US) dollar, then what is the price in dollars per square mile?
*July 26, 2013 by Shawnel*

**Math**

Manufacturing A factory manufactures two products, each requiring the use of three machines. The first machine can be used at most hours; the second machine at most hours; and the third machine at most hours. The first product requires hours on machine hour on machine and hour...
*March 1, 2014 by Claudia*

**Math**

Manufacturing A factory manufactures two products, each requiring the use of three machines. The first machine can be used at most 70 hours; the second machine at most 40 hours; and the third machine at most 90 hours. The first product requires 2 hours on machine 1, 1 hour on ...
*March 1, 2014 by Claudia*

**Math**

A small truck is to be driven 300 miles on a freeway at a constant speed of x miles per hour. Speed laws on the freeway require that a truck must be driven between 30 miles per hour and 70 miles per hour. assume that fuel cost $3.50 per gallon. in addition, assume that for a ...
*April 24, 2007 by nancy*

**algebra1**

a tortoise can travel 10 cm per second. what is the tortoise's speed in feet per hour?
*September 8, 2015 by kathy*

**Help! Calculus**

An elevator in a high rise building accelerates and decelerates at the rate of 1 foot per second squared. Its maximum speed is 8 feet per second. It starts from rest, accelerates to its maximum speed and stays at that maximum speed until it approaches its destination where it ...
*November 6, 2013 by Kimmie*

**calculus HELP!**

An elevator in a high rise building accelerates and decelerates at the rate of 1 foot per second squared. Its maximum speed is 8 feet per second. It starts from rest, accelerates to its maximum speed and stays at that maximum speed until it approaches its destination where it ...
*November 6, 2013 by Kimmie*

**science**

An elevator in a high rise building accelerates and decelerates at the rate of 1 foot per second squared. Its maximum speed is 8 feet per second. It starts from rest, accelerates to its maximum speed and stays at that maximum speed until it approaches its destination where it ...
*November 6, 2013 by Jenna*