Friday

October 9, 2015
Number of results: 132,867

**Math**

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 machine 2, and...
*September 27, 2013 by Ally*

**Stats**

Consider the Avionic Manufacturing Company that wishes to meet a demand of 10 units per month by purchasing the items from a vendor with a lead time of three-quarters of a month. The item cost is $2.50 per unit, replenishment cost is $3.50 per order, and the holding cost is $0...
*October 29, 2011 by Toby*

**math**

Two runners are competing in a race. One runner averages a pace of 7 minutes per mile and finishes the race in 28 minutes. The second runner finishes the race in 30 minutes. Which of the following is the pace of the second runner
*May 28, 2013 by trey*

**math**

Two runners are competing in a race. One runner averages a pace of 7 minutes per mile and finishes the race in 28 minutes. The second runner finishes the race in 30 minutes. Which of the following is the pace of the second runner?
*June 5, 2013 by lifesaver2*

**physics**

AT exactly noon,you pass mile marker 50 in your car.At 2:30pm you pull into a rest stop at mile marker215.What was yor average speed during this time
*September 2, 2011 by rally*

**math**

you can rent a car for the day from company A for $26 plus $0.12 a mile company B charges $24.00 plus $ 0.19 a mile. Find the number of miles m (to the nearest mile) per day for which it is cheaper to rent from company A
*June 5, 2015 by Jasmine *

**Algebra 2**

An Amtrak heading toward Boston at 90 miles per hour would go how far in eight and ahalf hours? asl? 17/M/MD Why?? 90 mi/hr x 8.5 hrs = ?? 765miles go to this site and sign up then add me as a friend:grab . com Mira_Me_Bien is my sn right. Note that in my equation the mi/hr x ...
*November 1, 2006 by Brian*

**College Math 3**

Lisa will rent a car for the weekend. She can choose one of two plans. The first plan has an initial fee of $53.98 and costs an additional $0.15 per mile driven. The second plan has an initial fee of $67.98 and costs an additional $0.10 per mile driven. How many miles would ...
*March 4, 2011 by Tanya*

**Math**

Jared can paddle his canoe 1 mile upstream in 1 hour, but it takes only a half hour to paddle back the same distance. Find the speed of water. (Hint: d=rt and the rate or canoe speed, depending on which way he is going.)
*November 2, 2012 by Melissa *

**algebra**

how long will it take to walk 3 1/2 miles at a rate of 2 1/2 miles per hour
*January 26, 2010 by Anonymous*

**calculous**

An airplane flies at an altitude of 2 miles toward a point directly over an observer (see figure). The speed of the plane is 600 miles per hour. Find the rates at which the angle of elevation θ is changing when the angle is θ = 30°, θ = 60°, and θ = 70°.
*September 24, 2013 by Anonymous*

**calculous**

An airplane flies at an altitude of 2 miles toward a point directly over an observer (see figure). The speed of the plane is 600 miles per hour. Find the rates at which the angle of elevation θ is changing when the angle is θ = 30°, θ = 60°, and θ = 70°.
*September 24, 2013 by Anonymous*

**Physics**

While traveling south on an expressway, a car traveling 60 mph (miles per hour) slows down to 30 mph in 12 minutes due to traffic conditions. Calculate the acceleration.
*June 13, 2013 by Isis*

**math problem/break even point**

Hondas rent for $25 per day and $.24 (24 cents) per mile. Toyotas rent for $31 per day and $.19 (19 cents) per mile. Write a cost equation for each rental car The distance from Monterey, Ca to San Francisco, Ca is about 110 miles. Which car would be the better choice to rent ...
*August 20, 2007 by Michelle W.*

**Unit Rates**

Find each unit rate. - 20 mi in 5 h - 78 mi on 3 gal Please and thank-you Convert the first pair of number to miles per minute, using division. Convert the second pair of numbers to miles per gallon, using division. Convert the first pair of number to miles per minute, using ...
*January 10, 2007 by Janie*

**math-word problem**

A plane flies with a ground speed of 160 miles per hour if there is no wind. It travels 350 miles with a head wind and in the same time it takes to go 450 miles with a tail wind. Find the speed of the wind. I'm pretty bad with word problems, but this is how I answered it: set ...
*May 6, 2008 by Jennifer*

**math**

How many miles does a person travel if she drives a car at 50 miles per hour for 3.5 hours?
*April 3, 2014 by Anonymous*

**Math**

Javier rides his bicycle at a rate of 15 miles per hour. How many feet are in 15 miles?
*January 20, 2015 by Amy*

**intermediate algebra**

You can travel 40 miles on a motorcycle in the same time that it takes to travel 15 miles on a bicycle. If your motorcycle's rate is 20 miles per hour faster than your bicycle's rate, find the speed of the motorcycle and bicycle. motorcycle = 32mph bicycle = 12 mph Are these ...
*November 6, 2008 by jennifer*

**math**

A power station is on one side of a river that is 3/4 mile wide, and a factory is 8 miles downstream on the other side of the river. It costs $24 per foot to run power lines over land and $30 per foot to run them under water.(1 mile = 5280 feet) Write the total cost C to run ...
*November 16, 2014 by Anonymous*

**Math**

Rochelle's car average 32.5 miles per gallon the highway.At that rate,how many gallons of gas will her car use for driving on the highway for 260 miles?
*September 14, 2015 by LayLay*

**Math**

Gail ran the 100m dash in 10.74 seconds. How many Km per hour is this?
*July 29, 2010 by Julie*

**ACCOUnting**

Chen Company manufactures basketballs. Materials are added at the beginning of the production process and conversion costs are incurred uniformly. Production and cost data for the month of July 2010 are as follows. Production Data-Basketballs Units Percent Complete Work in ...
*November 14, 2011 by BILLY*

**Math**

Xyz rents a car for $45 and .25 per mile. Cloud rents a car for $35 and .30 per mile. How many miles would a driver need to drive before the cost of renting a car at xyz and cloud be the same
*February 3, 2014 by Maria*

**Physics**

I must show my work for full credit. I need help on this question. I don't need answers, but could you help me figure it out. Thanks A microbiologist measures the speed of a swimming bacterium. The bacterium covers a distance of 2.16 microns in 5.0 seconds. The biologist ...
*September 26, 2013 by Mary*

**Math**

A boat is sailing due east parallel to the shoreline at a speed of 10 miles per hour. At a given time the bearing to the lighthouse is S 70 degrees E, and 15 minutes later the bearing is S 63 degrees E. Find the distance from the boat to the shoreline if the lighthouse is at ...
*April 15, 2010 by Abbey*

**physics**

The Pacific Crest Trail runs from the Mexican border to the Canadian border through California, Oregon, and Washington,covering 2650 miles of trail, but only about 1000 straight-line miles. B).If you hike this trail in 14.0 weeks, from Mexico to Canada,find your average ...
*January 26, 2011 by mely*

**triggg**

The drag force F (in pounds) of water on a swimmer can be modeled by F = 1.35s^2 where s is the swimmer’s speed ( in miles per hour). At what speed is the force minimized? **Note** ^ means "to the power of."
*April 25, 2012 by cheyanne marie*

**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 teacher drove 280 miles to attend a mathematics conference and arrived 1 hour late. The teacher figured out that, had she increased her average speed by 5 mph, she would have arrived on time to the conference. What was her average rate of speed? *explanations would be ...
*September 17, 2007 by Rachel h*

**algebra**

you are driving at a speed of 55 miles per hour to your sister's house. at 1pm, you are 150 miles from her house. write an equation that models the distance from you sister's house in terms of the number of hours since 1pm.
*October 24, 2009 by rachel*

**Algebra 1**

To train for a race, Will begins by jogging 11 minutes one day per week. He increases his jogging time by 5 minutes each week. Write the general term of this arithmetic sequence, and find how many whole weeks it takes for him to reach a jogging time of one hour
*March 7, 2011 by brad*

**Math**

A car rents for $35 per day plus 20cents per mile. If x represents the number of miles jorge drives per day, 35+0.20x represents the cost of the rental. If jorge has $89 to spend for the daily car rental, what is the maximum number of miles he can travel per day?
*November 9, 2008 by Bryan*

**Math**

Sue was in excellent shape in high school, she could ride her 10-speed bicycle 4.8miles to her grandmother's house in 11 minutes. Her return trip home took 14 minutes. The times are different due to there being a slight downhill slop on part of the trip to her grandmothers. If...
*December 9, 2012 by Erin*

**math **

Sue was in excellent shape in high school, she could ride her 10-speed bicycle 4.8miles to her grandmother's house in 11 minutes. Her return trip home took 14 minutes. The times are different due to there being a slight downhill slop on part of the trip to her grandmothers. If...
*December 9, 2012 by kate*

**algebra**

The fuel efficiency for a certain midsize car is given by E(v)= -0.016v^2+1.408v+3.8, where E(v)is the fuel efficiency in miles per gallon for a car traveling v miles per hour. What speed will yield the maximum fuel efficiency? _______mph. What is the maximum fuel efficiency ...
*December 6, 2014 by Barb*

**math**

The fuel efficiency for a certain midsize car is given by E(v)= -0.016v^2+1.408v+3.8, where E(v)is the fuel efficiency in miles per gallon for a car traveling v miles per hour. What speed will yield the maximum fuel efficiency? _______mph. What is the maximum fuel efficiency ...
*December 7, 2014 by Quintyn*

**Math**

A truck rental company rents a moving truck for one day by charging $22 plus $0.09 per mile. Write a linear equation that relates the cost C, in dollars, of renting the truck to the number x of miles driven. What is the cost of renting the truck if the truck is ...
*October 2, 2015 by Anonymous*

**6th Grade Math**

If a plane is going on a 500 mile trip, how many minutes will it take to get there for a speed of 400, 300, 200, and 100 mph? For 500 it wil obviously take 1 hour, but my brain is dead today and I can't figure out the other four.
*December 1, 2009 by Mika*

**math**

if joise drives 55 miles per hour how many hours will it take her to travel 350 miles
*August 18, 2012 by jada *

**social studies**

i need help!!!!! one type of lightning bug glows once every 1 1/2 seconds. how many times can it glow in 1 minute? and the other one is : Bea can run 1/6 mile in 2 minutes. how long should it take her to run 2 miles? please help the teacher wont help me and i need these ...
*January 16, 2013 by gaby*

**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*

**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 woman drives to work and averages 70 kilometers per hour for the trip. On her trip from work to home she averages 100 kilometers per hour. What is her average speed for the round trip?
*July 15, 2015 by Justin*

**Math [urgent]**

1. The sum of three numbers is 301. The second number is 3 less than twelve times the first number. The third number is 4 more than seven times the number. Find the three numbers. ~~~~~~ 2. Two friends live 15 miles apart. One day they decide to jog and meet each other. Tanya ...
*September 24, 2009 by Jessica*

**Math**

Company Alpha rents a compact car for $20 per day plus $0.09 per mile. Company Beta rents the same type of car for $29.5 per day plus $0.04 per mile. Suppose you want to rent a car from company Alpha for 5 days. How many miles can you drive the car before it becomes more ...
*July 4, 2011 by Staffon*

**math**

On a recent math test, monique earned an 85%. Which value represnts the amount monique did not answer correctly?
*April 7, 2014 by anonymus*

**Math**

One phone company charges $12 per month plus $.05 per minute after the first 500 minutes. A second phone company charges $10 per month plus $.04 per minute after the first 300 minutes. How many minutes would a subscriber have to use so that the cost of the two plans is the ...
*May 18, 2015 by Luke*

**Math**

Pete and jan compete as a team in a biathlon. Pete runs at a speed of 9 km/ h for x hours. Jan cycles at twice Pete's running speed for 1 hour and 30 minutes. The total distance of the biathlon is 42 km. Find, in hour and minutes, Pete's running time.
*May 26, 2008 by Ephraim*

**math**

a model airplane flies 18 feet in 2 seconds what is the airplanes speed in miles per hour round you answer to the nearest hundredth how would i do this
*October 21, 2010 by courtney*

**physics please help**

one kilwatt/hour (kWh) is the amount of work or energy generated when one kilowatt of power is supplied fr a time of one hour. a kilowatt/hour is the unit of energy used by power companies when figuring your electric bill. determine the number of joules of energy in one ...
*February 24, 2012 by taylor*

**algebra**

a rental car costs $24 per day plus 25 cents per mile. the total trip costs $54. how many miles were traveled if the trip lasted one day?
*October 9, 2010 by john*

**military,math**

can someone please help me with these problems. The posted speed limit for trucks along national route 3 is 35mph. how many kilometers will a convoy cover after 3.7 hours on the road traveling at the posted. a) 804.85 b)129.5 c)208.37 d)80.4 The village of Umatata does not ...
*April 5, 2007 by jake123*

**math function rule input/output**

during a 10 hr train trip the distance you travel equals 45 miles per hour the number t of hours spent traveling The distance travelled is speed x time. Your question seems to be stated incorrectly. You say the travel time in the begining of the sentence and then ask for what ...
*March 21, 2007 by Anonymous*

**Earth Science**

5. Most tornadoes carry wind speeds that range from A. 105 to 177 km per hour. B. 178 to 266 km per hour. C. 267 to 322 km per hour. D. 1 to 105 km per hour. A?
*February 13, 2015 by Sarah *

**physics **

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

**algebra**

Mike drove 80 miles per hour. How long will it take Mona to drive 100 miles.
*September 15, 2011 by BOB*

**algebra**

A car be rented for $55 per week plus .25 per mile. How many miles can driven if you have at most $280 to spend for weekly transportation?
*October 16, 2014 by Anonymous*

**Algebra**

Use the five steps for problem sovling. Company A charges $25 per month plus $0.22 per minute for cell phone service. Company B charges $35 per month plus $0.12 per minute. How many minutes of usage is needed in one month to make Company B a better deal?
*July 10, 2011 by Poochie*

**Physics**

How much momentum does a .01 kg ping pong ball have if it is traveling at 25 miles/hour? (1.609km=1 mile)
*January 30, 2014 by Georgianna*

**Physics**

How much momentum does a .01 kg ping pong ball have if it is traveling at 25 miles/hour? (1.609km=1 mile)
*January 30, 2014 by Georgianna*

**math**

a bus takes 12 hours to travel the same distance that an airplane travels in 1.5 hours. the average speed of the airplane ia 120 km per hour faster than five times the average speed of the bus. what is the average speed of the bus? let x represent the speed of the bus speed of...
*November 29, 2006 by aaron*

**Math**

Compare the population per square mile in Asia to the population per square mile in North America for the year 2000 Asia is 17,400 (land area) and land area is 1000 mi squared population is 4,028,000,000 North America is 9,400 (land area) and land area is 1,000 mi squared ...
*June 7, 2007 by Maggie*

**Calculus**

The first boat is sailing towards the North at the speed of 6 km per hour and sees that another boat is heading east at the speed of 5 km per hour. The second boat is to the northwest of the first boat. what is the minimum distance between two boats, assuming that they do not ...
*December 3, 2013 by Jessica*

**Chemistry**

A bug is observed to travel 72 cm in 7.5 seconds. What is the bug's speed in miles per hour?
*September 11, 2012 by L*

**maths**

1. a first train travelling at x km an hour takes t hour less to travel y km than a slower one takes to travel z km . find the different between their speed 2. a man has one kind of coffee at 'a' paise per kg and another at 'b' paise per kg how much of each must take to form a...
*May 19, 2012 by saila*

**economics**

suppose a firm's constant-returns to scale production function requires it to use capital and labor in a fixed ratio of two workers per machine to produce 10 units and that the rental rates for capital and labor are given by v=1, w=3. a. calculate the firm's long run total and...
*October 4, 2007 by jon*

**Maths**

A boy cycles 7.5km to school in 27˝ minutes.Find his average speed in meters per second.
*September 24, 2015 by Awuni*

**algebra 2**

A rental car agency charges $13 per day plus 12 cents per mile to rent a certain car. Another agency charges $18 per day plus 8 cents per mile to rent the same car. How many miles per day will have to be driven for the cost of a car form the second agency?
*May 25, 2010 by Anonymous*

**Math**

If a pitcher throws a ball to homeplate at a speed of 57 miles per hour for the distance of 47 feet how long does it take to cross homeplate? I multiplied distance x speed and got 2679 but not sure what that means???
*August 29, 2014 by Alicia Martinez*

**Math**

My daughter's homework and I cant figure it out for the life of me. In America the average person spends about 9.5 billion minutes on the phone a business day. In 1997 the estimated population of Americans the ages of 19-64 is about 163,000,000. About how many minutes does the...
*September 27, 2006 by SherylA*

**math**

A plane that flies 170 miles per hour is flying 510 miles. How long will the trip take?
*April 28, 2010 by joe*

**math**

Abner walks 3 miles per hour. At this rate, how long will it take him to walk WebEQ Image miles?
*January 18, 2011 by Anonymous*

**math **

what rule relating time and distance can help me calculate the traveled for 950 miles in bus at 60 miles per hour?
*January 30, 2011 by monserrate*

**Geometry**

A model airplane's fligth lasted nearly 38 hours. What was his miles per hour if the distance was 1,883 miles?
*August 25, 2011 by Heather*

**algebra 1**

a model airplane flies 18 feet in 2 seconds. What is the airplane's speed in miles per hour?
*December 8, 2008 by Giovanna*

**Calculus**

A searchlight rotates at a rate of 2 revolutions per minute. The beam hits a wall located 8 miles away and produces a dot of light that moves horizontally along the wall. How fast (in miles per hour) is this dot moving when the angle between the beam and the line through the ...
*October 30, 2011 by Reonea*

**Mathematics**

Anthony uses 1.2 metres of leather and one buckle when he makes a leather belt. He can make 15 belts per hour and he values his labour $11 per hour. Anthony buys his supplies in bulk. The leather comes in rolls 50 metres long at a cost of $180 per roll and the buckles come in ...
*February 7, 2012 by CrissyXD*

**Math**

Mrs monk rented a truck for 3 days. Enterprise charged her $40. per day plus $.25 per miles. The total charge was $142.75. How many miles did she drive the truck? (1) 411 miles (2) 91 miles (3) 251 miles (4) 571 miles
*February 20, 2015 by Sunny*

**Economics**

Asher is a stay at home dad who provides math tutoring for extra cash. At a wage of $30 per hour, he is willing to tutor 5 hours per week. At $45 per hour, he is willing to tutor 6 hours per week. Using the midpoint method, the elasticity of Asher’s labor supply between the ...
*September 21, 2009 by Jon*

**4th grade**

If a car is traveling 60 miles per hour, how far does it travel in one minute? Thanks
*December 17, 2008 by Justin*

**geometry**

If Jan takes exactly 30 minutes to walk to school each day, and her school is 2.3 miles away, what is her average walking speed (rounded to the nearest tenth)?
*February 20, 2011 by chip*

**Algebra**

I needed help with these problems: 1.Charles wants to dig a rectangular flower bed which is twice as long as it is wide. Let x be the number in feet in width. If you are given a width for the rectangle, would you evaluate the expression or write an equation and solve in order ...
*August 21, 2008 by Jillian*

**algebra**

Ace car rental rents a car for $45 and .25 cents per mile. Star rental car rents a car for $35 and .30 cents per mile. How many miles would a driver need to drive before the cost of renting a car at these two places were the same?
*October 24, 2014 by Anonymous*

**math in distress**

A salesman drove 480 miles from Pittsburgh to Hartford. The next day he returned the same distance to Pittsburgh in half an hour less time than his original trip took, because he increased his average speed by 4 mph find his original speed. Okay... I did it this way...480/2= ...
*July 1, 2015 by toya5 *

**Math**

A car rental agency charges $120 per week plus $.12 per mile driven. How many miles did you drive if the total charge is $162?
*February 21, 2013 by Anonymous*

**math**

When James drove to a concert last night, it took him 3 hours and 30 minutes. He averaged 60 miles an hour on the way there. How far did he drive one way?
*December 19, 2013 by lulu*

**algebra**

Minute hand of a clock is 10 inches long. how far does the tip of the minute hand move in 15 seconds? I got that=5 pi BUT What speed is it moving in miles/hr???? algebra - PsyDAG, Sunday, November 13, 2011 at 1:38am Assuming it does move 5 pi, convert 5 * 3.1416 = 15.7 inches ...
*November 13, 2011 by Angela*

**Rational Functions Word Problem**

A car travels at a constant speed and burns g(x) litres of gas per kilometer, where x is the speed of the car in kilometers per hour and g(x) = 1280 + x^2/320x a) If gas costs $1.29 per litre, find the cost function C(x) that expresses the cost of the fuel for a 200 km trip as...
*October 6, 2014 by Trisha*

**Economics/Calculus**

Asher is a stay at home dad who provides math tutoring for extra cash. At a wage of $30 per hour, he is willing to tutor 5 hours per week. At $45 per hour, he is willing to tutor 6 hours per week. Using the midpoint method, the elasticity of Asher’s labor supply between the ...
*September 21, 2009 by Jon*

**Algebra 1**

A talk-radio station airs commercials during any time not used for discussions with callers. Commercial time on the station costs $750.00 per minute. Write a variable expression for the amount of money the station can make on commercials in one hour, based on the number of ...
*September 10, 2008 by Joy*

**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*

**Capital Budgeting**

A company has revenues of 100 per unit sold. Current sales are 7500 units. Labor rates are 15 per hour. It takes 1.2 hours of labor to make each buggy. Material costs are 13.50 per unit. Figures are expected to remain the same permanently if the company continues to ...
*April 24, 2007 by Ash*

**physics**

A de-orbit burn, similar to that presented in the previous math problem, has been performed. During this de-orbit burn a pre-calculated ∆V (delta V, change in velocity) of 290 ft/s (or 88.4 m/s) will be used to decrease the Shuttle’s altitude from 205 miles to 60 miles ...
*January 20, 2012 by Levi B.*

**Physics**

One kilowatt-hour (kWh) is the amount of work or energy generated when one kilowatt of power is supplied for a time of one hour. A kilowatt-hour is the unit of energy used by power companies when figuring your electric bill. Determine the number of joules of energy in one ...
*February 29, 2012 by Candy*

**algebra**

In a given training week, a swimmer completes 1/4 mile on day one, 3/5 mile on day two, and 2/3 mile on day three. How many total miles does the athlete swim in the given week?
*July 31, 2014 by shenae*

**Physics**

1. How is average speed related to instantaneous speed? What certain conditions must be met for the two variables to have the same or close value? 2. Cite one practical example on the use of the concepts of instantaneous speed, average speed in observing safety on the road.
*July 2, 2014 by Jade*

**physics**

What is the velocity of a car going east for 50 miles in one hour? my answer. 50 miles/hour (east)?????
*September 19, 2011 by dave*

**computers please help**

Hi i'm taking a intro to technology class and we have this assignment where we take different types of computers and find information. but i'm stuck. i need to find the speed of the motherboard for all of them. here's a list of them i have find for: 80386Dx, 80386SX, 80486DX, ...
*September 6, 2006 by Anonymous*

**Math**

Mr. Herman's family is traveling from Brownsville, Texas to their home in Lardeo, Texas. The distance from Brownsville to Laredo is 200 miles. And Mr Herman is driving at a speed of 50 miles per hour. Write an equation for the situation 50x=200
*November 11, 2014 by M*