Wednesday

October 7, 2015
Number of results: 17,673

**algebra 2**

a car enters 15 miles north of a city. it travels due north at an average speed of 62.5 miles per hour. write an equation to model the car's distance D from the city after traveling for H hours. graph the equation
*September 28, 2011 by mel*

**Math**

Gregory filled a tank with 4 1/2 gallons of water. Linda filled the same tank with anothewr 2 1/3 gallons of water. finally, Meg added another 2 gallons of water. How many gallons of water were added to the tank?
*September 23, 2013 by Jay*

**Algebra 1**

A restaurant has one type of lemonade that is 12% sugar and another that is 7% sugar. How many gallons of each type does the restaurant need to make 20 gallons of a lemonade mixture that is 10% sugar? I think the answer is 8 gallons of 12% lemonade and 12 gallons of 7% lemonade
*December 24, 2014 by Steve*

**ALGEBRA**

if a paint mixture has 11 gallons of base for every gallon of color, how any gallons of color would be in 192 gallons of paint would there be? I have 16gallons
*September 17, 2009 by ggift*

**math**

My car gets 26 miles per gallon, I have to drive 36 miles, gas price is $3.10 per gallon. How much money will I need?
*March 20, 2015 by Jennifer*

**fundamentals of math**

Your car gets 33 miles per gallon, you drive an average speed of 44 miles per hour. How much gas do you use in an hour? 33/44? or 44/33
*June 23, 2010 by Leissa*

**Math**

How much would it cost to drive an automobile that averages 22 miles per gallon of gasoline that travels 12,500 miles each year, and gasoline costs $2.85 per gallon? I don't know how to write the conversions for this one, because there's nothing that could be on it's on like a...
*June 9, 2009 by Francine*

**Math for Steve**

1. Write the ratio in the simplest form. 45 : 15 a. 9 : 3 b. 3 : 1 c. 1 : 3 d. 4 : 1 4. Jake sold 39 tickets to the school fair, and Jeanne sold 12 tickets. What is the ratio, in simplest form, of the number of tickets Jeanne sold to the number of tickets Jake sold? 5. In 10 ...
*October 30, 2012 by Jman*

**math**

Motorists often complain about rising gas prices. Some motorists purchase fuel efficient vehicles and participate in trip reduction plans, such as carpooling and using alternative transportation. Other drivers try to drive only when necessary. Suppose you are at the gas ...
*October 22, 2009 by Anonymous*

**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*

**algebra**

From her house, Mary travels to New York at an average rate of 50 miles per hour and then returns home at an average rate of 32 mph. After taking 2 hours longer on the return trip than the time it took her to get to New York,she finds that she still has 17 miles to go before ...
*January 26, 2011 by Mia*

**Physics**

A spacecraft of mass 2000kg, moves at a constant speed of 7800m.s- in space. the main engine switched on for 10s during which time the exhaust gases travels at 10 000m.s-. As a result of this, the craft travels at 8000m.s- after 10s. Calculate the mass of the exhaust gas.
*February 12, 2013 by Kerry*

**TRIG HONORS CH: 5.8**

a ship leaves port with a bearing of S 42deg W after traveling 7 miles, the ship turns 90deg and travels on a bearing of N 52deg W for 10 miles at that time, what is the bearing of the ship to the port?
*October 29, 2012 by Ashley*

**AP Chemistry**

A typical bathtub can hold 93 gallons of water. Calculate the mass of natural gas that would need to be burned to heat the water for a tub of this size from 60◦F to 99◦F. Assume that the natural gas is pure methane(CH4) and that the products of combustion are ...
*October 11, 2013 by Gabriella*

**Physical Chemistry2**

One mole of a van der Waals gas with a=15.0 l^2 atm mol^−2 and b=0.015 l mol^−1 is expanded reversibly and isothermally from 1 atm to 0.5 atm at a temperature of 300 K. Calculate w for this process, and compare it with that required to expand an ideal gas between ...
*September 29, 2008 by Amber*

**math**

Simone rents a compact car that gets 31 miles per gallon. When she rents the car, the price of a gallon of gas is $3.10. The cost C of the gas used to drive the car is a function of the number of miles x that the car is driven. The cost of renting the car is $0.10 per mile ...
*September 15, 2014 by Rose*

**math**

two cars leave the same point at noon. one car travels north and the other car travels east. suppose the northbound car is traveling 40mph, and after two hours, the two car are 100 miles apart.how fast is the other car going?
*October 24, 2011 by jane *

**math**

two cars leave the same point at noon. one car travels north and the other car travels east. suppose the northbound car is traveling 40mph, and after two hours, the two car are 100 miles apart.how fast is the other car going?
*October 24, 2011 by jane *

**trig**

a ship leaves port with a bearing of S 42deg W after traveling 7 miles, the ship turns 90deg and travels on a bearing of N 52deg W for 10 miles at that time, what is the bearing of the ship to the port?
*October 29, 2012 by Selena*

**TRIGONOMETRY**

a ship leaves port with a bearing of S 42deg W after traveling 7 miles, the ship turns 90deg and travels on a bearing of N 52deg W for 10 miles at that time, what is the bearing of the ship to the port?
*October 29, 2012 by NATO*

**Math**

Patrick drew a map of his neighborhood. He used a scale in which 1 inch equals 2 miles. What distance on Patrick's map should represent the 1.5 miles between his house and the nearest gas station?
*November 12, 2014 by Anonymous*

**math**

For the given linear prgramming problem, write down the objective function and the constraints. Kris is trying to make his business more efficient by having a system of both large and small vans. He can spend no more than $100,000 for both type of vans and no more than $600 ...
*April 14, 2011 by fakaapo*

**Alegbra**

Suppose it takes 3 days for a space vehicle to travel from earth to the moon. How long for the same vehichle and the same speed to reach Jupiter? Moon distance from earth is 240,000 miles. Jupiter distance from earth is 391,000,000 miles
*March 20, 2010 by TAnya*

**Math**

What is the unit rate? A racing car travels 180 miles in 1.5 hours. 5 i need it as a fraction like: 180mi/1.5 hrs thats not the unit rate i think it is The units here will be miles per hour. (Another valid yet rare answer is hours per mile.)
*January 25, 2007 by kristy*

**math**

(AIR TRAVEL) Two jets bound for Dammam leave Jeddah 30 minutes apart. The first travels 550 miles per hour, while the second goes 650 miles per hour. At what time will the second plane pass the first?
*November 12, 2011 by m.h.j*

**math**

(AIR TRAVEL) Two jets bound for Dammam leave Jeddah 30 minutes apart. The first travels 550 miles per hour, while the second goes 650 miles per hour. At what time will the second plane pass the first?
*November 12, 2011 by m.h.j*

**Math**

An eastbound train and a westbound train meet each other on parallel tracks heading in opposite directions. The eastbound train travels 12 miles per hour faster than the westbound train. After 1.5 hours, they are 174 miles apart. At what speeds are the two trains traveling?
*October 24, 2012 by awade*

**math**

A northbound train and a southbound train meet each other on parallel tracks heading in opposite directions. The northbound train travels 12 miles per hour faster than the southbound train. After 2.5 hours, they are 330 miles apart. At what speeds are the two trains traveling?
*January 4, 2013 by treena*

**Algebra 1--Please, help me! (Steve) **

Mulitiply. Simplify your answer. 1. 3r^2t/6st^3 x 2r^2s^3t^2/8r^4s^2 Add or subtract. Simplify your answer. 2. x^2 + x/x^2 + 3x + 2 + 3/x + 2 3. The Escobar family went on a car trip. They drove 100 miles on country roads and 240 miles on the highway. They drove 50% faster on ...
*May 27, 2014 by Victoria*

**Math**

a bus travels 240 kilometers at 60 kph and then returns at 40 kph.. what is the average speed in kilometers per hour for the round trip?
*August 13, 2013 by Mae*

**Math**

Vehicle A averages 14 miles per gallon of gasoline, and Vehicle B averages 36 miles per gallon of gasoline. At these rates, how many more gallons of gasoline does Vehicle A need than Vehicle B to make a 1,008-mile trip?
*August 26, 2010 by Kelly*

**math **

vehicle a averges 14 miles per gallon of gasoline and vehicle b averges 36 miles per gallon of gasoline at these rates how many more gallons of gasoline does vehicle a need then vehicle b to make a 1008-mile trip
*September 26, 2010 by Anonymous*

**physics **

a car travels 40 miles at an average speed of 80 mph and then travels 40 miles at an average speed of 40 mph. The average speed of the car for this 80 mile trip is: A) 80 mph B) 72.5 mph C) 60 mph D) 53.3 mph E) 40 mph
*September 2, 2013 by jessica*

**algebra**

1. The speed of a passenger trin is 18mph faster than the speed of a freight train. The passenger train travels 260 miles in the same time it takes the feight train to travel 170 miles. Find the speed of each train.
*November 17, 2011 by lisa*

**algebra**

The distance the bicycle travels and the time taken are expressed by the formula d(t)=t^2-2t, there d(t) is in miles and t in hours. Find the time taken by the bicycle to cover a distance of 63 miles.
*November 29, 2011 by ls*

**algebra**

a car travels at 53 miles per hour for 2.5 hours. how far will it travel? thank you
*September 20, 2015 by lauren*

**Steve Math**

1. Write the ratio in the simplest form. 45 : 15 a. 9 : 3 b. 3 : 1 c. 1 : 3 d. 4 : 1 4. Jake sold 39 tickets to the school fair, and Jeanne sold 12 tickets. What is the ratio, in simplest form, of the number of tickets Jeanne sold to the number of tickets Jake sold? 5. In 10 ...
*October 30, 2012 by Jman*

**8th grade math**

Light travels approximately 5.87 X 10^12 miles in one year. This distance is called a light year. Suppose a star is 2 X 10^4 light years away. How many miles away is that star? Please help with detailed steps to solve problem. Thanks.
*September 29, 2009 by Kendall*

**8th grade math**

Light travels approximately 5.87 X 10^12 miles in one year. This distance is called a light year. Suppose a star is 2 X 10^4 light years away. How many miles away is that star? Please help with detailed steps to solve problem. Thanks.
*September 30, 2009 by kendall*

**Math**

Mr. Ranier's car uses about 1.6 fluid ounces of gas per minute when the engine is idling. One night, he parked his car but forgot to turn off the motor. He had just filled his tank. His tank holds 12 gallons. About how many hours will it take before his car runs out of gas?
*April 13, 2011 by Sean*

**Rates**

Mr. Ranier's car uses about 1.6 fluid ounces of gas per minute when the engine is idling. One night, he parked his car but forgot to turn off the motor. He had just filled his tank. His tank holds 12 gallons. About how many hours will it take before his car runs out of gas?
*April 13, 2011 by Sean (PLEASE HELP!)*

**Math**

Mr. Rainier's car uses about 1.6 fluid ounces of gas per minute when the engine is idling. One night, he parked his car but forgot to turn off the motor. He had just filled his tank. His tank holds 12 gallons. About how many hours will it take before his car runs out of gas?
*April 25, 2012 by Bob*

**Math**

Mr. Rainier's car uses about 1.6 fluid ounces of gas per minute when the engine is idling. One night, he parked his car but forgot to turn off the motor. He had just filled his tank. His tank holds 12 gallons. About how many hours will it take before his car runs out of gas?
*April 25, 2012 by Anonymous*

**MATH**

NORALIE USES 22 GAL OF GAS TO GO 682 MILES. WHAT ARE THE 2 UNIT RATES SHE MIGHT COMPARE & COMPUTE THEM I KNOW ONE IS MILES PER GALLON BUT WHAT IS THE OTHER UNIT RATE? LITERS PER KILOMETER? PLEASE HELP
*November 20, 2008 by SETH*

**Algebra**

Two cars start at the same point at Alexandria, verginia, and travel Ans 50mph, 55mph 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 Help**

A map of Asia has a scale of 1.5 inches=300 miles. The distance between Thailand and China is a about 5.25 inches. How far is it from Thailand to China in miles? Round to the nearest mile. A. 1,050 miles B. 1,575 miles C, 2.010 miles D. 2,362 miles Is the answer A?
*November 20, 2014 by callie*

**Child Care**

You the owner of XYZ Day Care, buy a new van for your business. The van costs $20,000, all of which you borrow from First American Bank. What describes the journal entry for this transaction?
*January 9, 2010 by Melanie*

**Math**

you drive 12,000 miles per year and use 343 gallons of unleaded gasoline. What is your monthly cost of gasoline? my answer: $478.49
*May 29, 2015 by John Dosley*

**chem**

In a vehicle, H2 could be used in a fuel cell to generate energy. Hydrogen is not an energy source, but a means of transporting energy because the extraction of H2 from the logical source, H2O, takes as much energy as is returned when the gas is used. 2 H2O (l) → 2 H2 (g...
*November 2, 2010 by Andrew*

**Math**

Three fifth of the members of a hiking trip club went on the last hiking trip. If 39 people went on the trip how many are in the club? Mathew travels two and one half miles to get to school. This is 3 times the distance that Jennifer travels . How far does Jennifer travel?
*September 27, 2015 by Sunny*

**Statistics**

A local grocery store wants to estimate the mean daily number of gallons of milk sold to customers. Assume the number of gallons sold follows the normal distribution, with a population standard deviation of 5.10 gallons. A random sample of 60 days shows that the mean daily ...
*October 27, 2013 by Joey*

**mathematics 1**

How many cans each with a capacity of 3/8 gallons can be filled from 2 barrels of oil each containing 31 1/2 gallons?
*October 1, 2007 by Anonymous*

**Fine Arts**

1. Which of the following artists combined the emotionalism and realistic detail of two other Northern artists to achieve a personal style? a. van der Goes b. van Eyck c. van der Wyden d. da Vinci A? 11. The Renaissance began in a. Florence around 1300 b. Rome around 1300 c. ...
*December 31, 2010 by mysterychicken*

**Math**

A train leaves a station and travels north at a speed of 45mph. Four hours later, a second train leaves on a parallel track and travels north at 105 mph. How far from the station will they meet? The trains will meet ________ miles away from the station
*March 5, 2014 by Pam*

**chemistry**

How many gallons of 98% H2SO4 is necessary to neutralize 5000 gallons of NaOH?
*June 18, 2011 by Jackie*

**Trig**

Two planes take off at the same time from an airport. The first plane is flying at 240 miles per hour on a bearing of S 45.0° E. The second plane is flying in the direction S 45.0°W at 290 miles per hour. What is the bearing of the second plane from the first after 5 hours? (...
*October 1, 2014 by Lindy*

**Is this f'(x) or partial derivative?**

Find d VC/ d y = ((y/240)^2)(w) = 2yw/240^2 + 0 + y^2/240^2 but final answer is.... = 2yw/240^2 So, is the question asking for partial derivative or first derivative? I think partial because the final answer only took the derivative with respect to y.
*October 14, 2009 by Anonymous*

**Math/116**

. The function C(g) represents the cost C of filling up the gas tank with g gallons of regular gasoline. Given the equation a) What does the number 3.03 represent?
*June 25, 2011 by Angela*

**Chemistry - Van't Hoff Factor**

How does the van't hoff factor relate to freezing points? If one van't hoff factor is bigger than another, is its freezing point lower or greater? delta Tf = iKfm. So increasing i will increase delta Tf Van't Hoff factor is the concentration of particles in a solute, so, if it...
*January 5, 2007 by Belinda*

**Pre-Calculus**

Venus orbits the sun in an approximately circular path. Venus is about 67 million miles from the sun. A comet is located 80 million miles north and 73 million miles west of the sun. The comet follows a straight-line path and exits Venus's orbit at the east most edge. a. Find ...
*October 4, 2015 by Anonymous*

**Algebra**

train X travels west at 50 mph and train Y travels east at 40 mph. train X leaves at 2 p.m. and train Y leaves at 1 p.m. train X is located 100 miles east of Durham and train Y is located 75 miles west of Durham. which train will get to Durham the earliest?
*March 7, 2011 by Roxy*

**math**

How many cans with a capacity of 3/8 gallons can be fille from 2 barrels of oil each containing 31 and one- half gallons?
*September 16, 2010 by Johnny Lee*

**Math (Gallon man)**

1.How many pints are in 3/4 gallons? 2.How many cups are in 3/4 gallons? 3.What fraction of a quart is one cup?
*March 6, 2013 by Adaija*

**Math**

gallons of milk were $2.30 each. Write an expression to show this for “g” gallons.
*April 26, 2011 by Angela*

**Math**

What is 128 cups= to in gallons igot 8 gallons i need help
*September 30, 2012 by Gabby*

**math**

an airplane travels a120 mile in 15 minutes.what is its speed in miles per hour
*July 3, 2012 by verkesia*

**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*

**Pre Calculus 2**

A ship regularly travels between two ports that are 350 miles apart. When traveling directly from A to B, the ship sails on a bearing of . However, to avoid a storm, one day the ship leaves A on a bearing of and travels for 6 hours at 17mph. When the bad weather has passed, it...
*August 4, 2013 by Sara*

**Physics**

Two cars travel at the same constant speed. The first car travels for 10 minutes, the second for 27 minutes. If the second car travels 18 miles farther tht the first, how far does each car travel?
*September 19, 2010 by Rose*

**MTH233/statistics UOP**

A car company says that the mean gas mileage for its luxury sedan is at least 21 miles per gallon. You believe the claim is incorrect and find that a random sample of five cars has a mean gas mileage of 19 miles per gallon and a standard deviation of 4 miles per gallon. Assume...
*July 27, 2010 by sue*

**Organizational Ethics and Social Responsibility**

analyze the following ethical scenario: You are attending a National Covention in San Luis Opisbo for work. This is a convention that is annually attended by representatives from your employer and this is your first time attending. The convention registration fees and other ...
*May 12, 2011 by Anita fields*

**math**

jasmine bought 6 gallons of apple juice. after filling up 4 bottles of the same size with apple juice, she has 0.3 gallons of apple juice left. hhow many gallons of apple juice are in each container?
*November 12, 2014 by kelsey*

**algebra**

the speed of train A is 8 mph slower than the speed of train B. Train A travels 220 miles in the same time it takes train B to travel 260 miles. Find the speed of both trains. Speed of train A = Speed of train B =
*November 12, 2012 by pam*

**Physics**

Calculate the acceleration of a Porsche when he goes from 0 miles/hr to 40 miles/hr in 5.6 seconds. (should I convert 40 miles per hour to miles/second?)
*February 15, 2009 by Tammy*

**math**

For a tall kitchen bag the volume is set to be 240 in3. a. Write the polynomial K(x) = V(x) – 240 = _______________?
*July 29, 2012 by Monica*

**math**

A speedboat racer travels at a steady rate of 0.75 of a mile per 0.25 of a minute. How many minutes does it take for the boat to travel 3 miles? I have 0.75 (is that correct?) How long will it take for the boat to travel 7.5 miles? I have 1.88 (is that correct?)
*May 5, 2011 by derrius*

**MATH**

STEVE MIXES TOGETHER 1 6/8 GALLONS OF APPLEJUCIE, 1 3/8 OF ORANGEJUCIE, AND 1 1/8 GALLONS OF CRANBERRYJUCIE. HOW MUCH FRUIT DOES HE MAKE?
*March 30, 2012 by TERRENCE*

**Math please Hurry !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!**

Choose the correct answer. Milo wants to make a mixture that is 50% lemon juice and 50% lime juice. How much 100% lemon juice should he add to a juice that is 20% lemon juice and 80% lime juice to make 4 gallons of the 50% lemon/50% lime juice mixture? A. 0.5 gallon B. 1.5 ...
*December 10, 2012 by Becka*

**7th grade**

Find tony's rate in miles per hour for each part of the route. Distance traveled Hours 5 miles .33 8 miles .4 15 miles .67
*December 1, 2009 by Monique/G*

**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*

**chemistry**

The conversion factor relating miles to meters is 1 mile= 1610m The speed of light is 3.00×10^8 m/s. How fast is this in miles per hour (miles/h \rm miles/h)?
*September 8, 2013 by randy*

**Algebra 1**

a train leaves a city heading west and travels at 50 miles per hour. three hours later, a second train laeves from the same place and travels in the same directionat 65 per hour. how long will it take for the second train to overtake first train?
*January 27, 2011 by Jasmine *

**Math**

The distance that light travels in 1 year (a light year) is 5.88 x 10^12 miles. If a star is 2.4 x 10^8 light years away, what is the distance to that star in miles? How would you even begin the problem?
*October 3, 2009 by Anonymous*

**Physics**

A 3.00 gram lead bullet travels at a speed of 240 m/s and hits a wooden post. If half the heat energy generated remain with the bullet, what is the increase in temperature of the embedded bullet? (clead = 128 J/kg C)
*February 5, 2014 by Nina*

**Math**

Ben conserves water in his home.He conserves 3 gallons each time he turns off the faucet when brushing his teeth.He conserves 30 gallons by running the dishwasher once a day instead of twice a day. What expression represents the total number of gallons,g,Ben saves each day? 3g...
*April 25, 2013 by Brooke*

**geometry**

you just got a n ew dirt bike with really advanced four stroke engine that burns fuel efficiently and you wonder what kind of gas mileage you are getting. like most dirt bikes your new machine has no odometer to record the miles traveled.The rear tire's outside diameter is ...
*March 15, 2009 by roy*

**algebra**

during the first part of a trip, a conoeist travels 70 miles at a certain speed. the canoeist travles 7 miles on the second part of the trip at a speed of 5 mph slower. the total time for the trip is 5 hrs. Ehat is the speed on each part of the trip?
*July 6, 2012 by todd*

**problem solving**

Suppose your car gets 36 miles per gallon of gasoline, and you are driving 45 miles per hour. Using unit analysis, find the number of hours it takes to use 1 gallon of gas. I got 48 minutes but I'm not sure.
*December 8, 2012 by ben*

**math**

a few months ago, Van had 100 days to wait until his birthday. His wait is 98% over. Today is Monday. What day is Van's birthday?
*March 2, 2010 by Andy*

**MATH**

From HOME TO THE FAIR IT'S 70 MILES, I have driven about 30 miles at 40 miles per hour. how many hours would it take me to finish the remaining miles?
*December 3, 2012 by Lisa*

**trig**

Use De Moivre's theorem to simplify the expression. Write the answer in a + bi form. [2(cos 240° + i sin 240°)]^5
*June 28, 2013 by tony*

**math**

Sally needs 6 gallons of water, but she only has a 2 quart pitcher. How many times does she need to fill it up to make 6 gallons?
*February 11, 2014 by arthur*

**Math**

Added 5 gallons of gas tank went from 3/8 full to 7/8 how big is tank
*September 6, 2011 by Vic*

**math**

the ratio of gas to ethanol is 17 to 3, how much ethanol is in 600 gallons of mixture
*September 13, 2015 by Noah*

**math**

which mixture is more blue? 4gallons primer over 8 gallons paint or 3 gallons primer over 5 gallons paint
*March 24, 2015 by miranda*

**physics**

A car traveling 95 km/h slows down at a constant 0.80 m/s^2 just by "letting up on the gas. A) Calculate the distance it travels during the second second. B) Calculate the distance it travels during ninth second.
*July 8, 2011 by mike*

**Math**

if a bullet travels at 645.0m/s, what is its speed in miles per hour? can you please show me how to solve this?
*September 10, 2015 by Alex*

**Math**

A trucker on the interstate travels 32 miles in 30 minutes. At this rate, how far will the truck travel in 4.5 hours?
*February 28, 2014 by Carlotta*

**Math**

1.5gal/min=?qt/h Help!!!! First thing you need to do is figure out how many gallons an hour it is. Since there are 60 minutes in an hour and it's going at 1.5 gallons a minute, we can multiply 1.5 * 60. That's 90 gallons per hour. Now, just figure out how many qts are in 90 ...
*April 12, 2007 by Elyssia*