Saturday

December 20, 2014

December 20, 2014

Number of results: 134,468

**math**

1. A baseball diamond is a square with a distance of 90 feet between the bases. A runner is running from first base to second at the constant rate of 20 feet per second. How fast is the distance between the runner and the catcher changing when the runner is halfway from first ...
*October 9, 2011 by Eun*

**displacement...**

At the annual turtle races, Poindexter, the record holder, is trying to retain his title. As the race begins, Poindexter starts off racing North with a speed of 0.025 m/s. He retains this speed for 0.5 meters at which time he speeds up to 0.10 m/s. He continues at this rate ...
*October 22, 2009 by :)*

**Physics**

By trial and error, a frog learns that it can leap a maximum horizontal distance of 1.4 m. If, in the course of an hour, the frog spends 32% of the time resting and 68% of the time performing identical jumps of that maximum length, in a straight line, what is the distance ...
*May 21, 2012 by James*

**physics**

By trial and error, a frog learns that it can leap a maximum horizontal distance of 1.49 m. If, in the course of an hour, the frog spends 32.5 % of the time resting and 67.5 % of the time performing identical jumps of that maximum length, in a straight line, what is the ...
*September 15, 2013 by Huiming*

**Math**

The distance traveled (in meters) by the Oregon slug can be modeled by the function f(t) = 0.9t, where t is the time in minutes. Find the distance traveled in 27.5 minutes.
*December 18, 2013 by Megan*

**9th grade algebra math hw, help?(:**

The table below shows the cost of renting a bike for a given amount of time, find the rate of change in cost with respect to time. Table: Time: 1.75, 4, 7. Cost( Dollars)4.375, 10, 17.5 Could one of the tutors please explain to me how to this? Thanks :) -Allyson
*November 16, 2010 by Allyson*

**algebra 1**

fred begins walking at three mi/h. john leaves his house at the same time and walks towards freds house at a rate of 2 mi/h. how long will it be befor thhey meet the distance between the two houses is 4 miles?
*March 25, 2008 by nathan*

**maths**

A truck rolls down a hill subject to acceleration due to gravity and resistance (including air resistance, rolling friction, etc) and the distance si (metres) travelled after ti seconds is observed. Classical mechanics predicts that the distance travelled by the truck should ...
*September 15, 2013 by help please*

**Math**

The phone company charges a flat rate of $2.50 plus and additional $0.50 each minute for a long-distance phone call. Write an equation to represent the total cost of making a long-distance phone call.
*June 18, 2013 by Yasmen*

**AP Macroeconomics**

Which of these is a component of the interest rate on a 10-year inflation indexed US government bond? A.)Risk that the borrower will default B.)Positive rate of time preference C.)Expected inflation rate D.)general uncertainty about the future
*October 20, 2013 by Emily*

**math**

the lengths of two legs of a right triangle depend on time. One, whose length is x increase at the rate of 5 feet per second, while the other, of length y, decreases at the rate of 6 feet per second. At what rate is the hypotenuse changing when x=3 and y=4? is the hypotenuse ...
*November 26, 2012 by Aaron*

**chemistry 1310**

The decomposition of nitrosyl bromide is followed by measuring total pressure because the number of moles of gas changes; it cannot be followed colorimetrically because both NOBr and Br2 are reddish brown: 2 NOBr(g) ® 2 NO(g) + Br2(g) Use the data in the table to answer the ...
*January 24, 2011 by shamia *

**math**

a heavy freight train made a trip of 360 miles, running part of the distance at 54 miles an hour and the rest at 48 miles an hour.if the entire trip took 7 hours,find the distance traveled at each rate.
*February 3, 2010 by chris*

**Math**

An airplane flying at a speed of about 100 mph was once overtaken and passed by a flock of sandpipers! Suppose that a flock of these birds can fly at 110 miles per hour with a certain wind and at 90 mph against it. If they fly a certain distance with the wind and the same ...
*October 24, 2012 by JJ*

**math**

Could someone check my answer: the question is: The equation y= 12x +5 shows the total cost for ordering tickets on the phone for a certain outdoor concert. Tickets are $12 each, and there is a one-time service fee of $5. Can the slope of this line be thought of as a rate? ...
*September 16, 2009 by sam*

**Physics,Question ,Solved but about Units?**

These are “plug-in-the-number” tasks to familiarize you with the main formulas that link the physics concepts of this chapter. They are one-step substitutions, much less challenging than the Think and Solve problems that follow. Average speed ! total distance covered travel ...
*October 10, 2012 by Katherine*

**Science!! Please HELP**

If a population consists of 10,000 individuals at time t=0 years (P0), and the annual growth rate (excess of births over deaths) is 3% (GR), what will the population be after 1, 15 and 100 years (n)? Calculate the "doubling time" for this growth rate. Given this growth rate, ...
*October 6, 2009 by Rani*

**physics**

the distance between a loudspeaker and the left ear of a listener is 2.70 m a) calculate the time required for sound to travel this distance if the air temperature is 20oC. b) assuming that the sound frequency is 523 Hz, how many wavelengths of sound are contained in this ...
*November 18, 2012 by Joe*

**Math interest rate**

Please explian how to figure out the the initial interest rate of the ARM ? Given th these facts thanks :) Ben bought a home with an adjustable-rate mortgage. The margin on the loan is 2.7% and the rate cap is 7.2% The current index rate is 4.3%
*November 14, 2007 by Anonymous*

**Math/chem**

If the temperature of a solution goes up 25degrees in 7 minutes, what is the rate of change of temperature? (Rate= temp. Change/ time)
*September 3, 2014 by Jamie*

**trig**

An object suspended from a spring is oscillating up and down. The distance from the high point to the low point is 30 cm, and the objects take 4 sec to complete 5 cycles.For the first few cycles the distance from the mean position, d(t), in cm with respect to the time t sec is...
*July 20, 2013 by Azal - pleaseee helpp*

**Math**

Someone loaned me $20.00 in 1962 without quoting an interest rate. Using whatever the market interest rate was at that time, how much money would I owe in 2013 including principal and interest, straight and compounded.
*December 22, 2013 by Bee*

**Physics**

What is the equation for average velocity given x1 (initial distance), x2 (final distance), t1 (initial time) and t2 (final time)?
*October 21, 2010 by Anna*

**Speed'Distance'Time**

Find out the distance covered when, speed is 960 km/hour and time is 1 hour 50 minutes.
*March 19, 2013 by Michelle*

**math**

ANGULAR SPEED OF A RACE CAR. A race car is driven around a circular track at a constant speed of 180miles per hour. If the diameter of the track is 1/2mile, what is the angular speed of the car? Express your answer in revolutions per hour(which is equivalent to laps per hour) ...
*June 13, 2007 by michelle*

**Solving for distance**

what distance did a car travel if the speed was 75mph and was on the road for 9 Hours? I need to know how I can figure out this question usin g my calculator step by step distance= speed * time.
*May 18, 2007 by Brooke*

**math**

how do you8 find unit rate divide quantity by time. For instance, one travels 45 miles in 1/2 hour. Unit rate= 45/.5=90miles/hr the answer to your problem is x=18 the answer to your problum is x=18
*March 6, 2007 by brianna*

**Physics**

A 50 kg cart rests on frictionless surface. A net force of 75 N acts on the carts over a distance of 2m. What maximum speed does the cart reach? Work: I can figure that the acceleration is 1.5m/s/s, Vi= 0. I was thinking maybe if I found time through the kinematic equation d=...
*November 30, 2014 by Sam*

**Mathematics**

A man walked for some distance at 8 km/h, and for an equal distance at 5 km/h. The total time he took was 13/4 hours. Find the total distance he walked. Explain your workings
*November 5, 2011 by Ruby*

**math**

Fred begins walking toward John house at 3 mi/h. John leaves his house at the same time and walks toward Fred's house on the same path at a rate of 2 mi/h. How long will it be before they meet if the distance between the houses is 4 miles? First, I set up an equation, 3h+2h=4...
*October 23, 2007 by robert*

**math 117**

A passenger train can travel 325 mi in the same time a freight train takes to travel 200 mi. If the speed of the passenger train is 25 mi/h faster than the speed of the freight train, find the speed of each. Speed = distance/time Therefore time = distance/speed. Assume the ...
*July 11, 2007 by Diana*

**physics-circular motion**

the turntable of a record player rotates at a rate of 11 1/3. A record with a radius of 15cm is being played. a punk kid throws a piece of gum that lands right on the edge of the record. What linear distance in meters does the gum travel if it stays on the record for 10 ...
*March 4, 2007 by kate*

**Economics/Math**

3. Assume you own a painting. If you sold it now, you could get £500 for it. However, the amount that people will be willing to pay in the future increases by £25 in odd years (including the first one) and by £26 in even years, for the next 53 years. If the interest rate stays...
*December 4, 2009 by Susan *

**Chemistry**

1. How is the rate affected by doubling the concentratino? 2. Explain the effect of concentration on the rate of a reaction in terms of the "Collision Theory" of chemical reactions. 3. Considering that 1/Time is proportional to the rate of the reaction how is the rate of the ...
*November 18, 2007 by Dick Rogers*

**chemmm helppppppppp**

Consider the following reaction: 2N2O(g)--->2N2(g) + O2(g) a. express the rate of the reaction with respect to each of the reactants and products. b.In the first 10.0 s of the reaction, .018 mol of O2 is produced in a reaction vessel with a volume of .250L. What is the ...
*February 1, 2009 by Natash*

**math**

find the area of a right angled riangle. find the distance from A to B. Find the distance from B to C. Find the midpoint B(-1,4) A(-1,-1) C(4,-1) thanks for your time and help.
*June 12, 2013 by Anonymousab*

**algebra**

A motorboat traveling a distance of 225 miles in 5 hours while traveling with the current. Against the current, the same trip took 9 hours. Find the rate of the boat in calm water and the rate of the current. rate of boat mph rate of current mph
*November 23, 2014 by Jer*

**math**

on the average your heart beats about 72 time per minute. at this rate, about how many time will it beat in 30-day month and in a year and in your lifetime, if you live to 72 years of age?
*November 28, 2009 by mariyam*

**Physics**

The distance between earth and the moon can be determined from the time it takes for a laser beam to travel from earth to a reflector on the moon and back. If the round-trip time can be measured to an accuracy of 0.19 of a nanosecond (1 ns = 10-9 s), what is the corresponding ...
*October 13, 2007 by Mary*

**Math2**

The universal law of gravitation determines the amount of force exerted by a constant mass (M) on another constant mass (m), separated by a distance (r), is given by the expression F = ( -GmM )/r^2 a) What mathematical expression characterises the instant rate of change of the...
*October 18, 2011 by Raf*

**Physics**

A power boat of mass 475 kg is cruising at a constant speed of 8.9 m/s. The propeller provides a drive force of 770 N. The driver of the boat shuts off the engine, and the boat coasts to a halt. Assume -- contrary to fact -- that the resistive force due to the water is ...
*February 26, 2007 by Mary*

**math**

can you please explain this question to me for part b i get t=0.7 by trial and error and 86 percent of the population but im sure theres a more exact way to do it (a) A chemical process produces NaCI at the rate 3t^1/2 grams per minute. (i) What is the rate of production 4 ...
*May 25, 2010 by jessie urgent please*

**Math**

A U.S. company sells products to a Dutch company and will receive payment of €550,000 in three months. At the time of sale, the spot rate of the euro was $1.25, and the 90-day forward rate was $1.21. At the time of sale, the U.S. company negotiated a forward contract with a ...
*October 23, 2007 by Kd*

**chemistry**

You mix together in the proper manner the following VOLUMES: 0.0100 M Potassium iodide...9.2 mL 0.0010 M Sodium thiosulfate...6.5 mL Distilled water...16.8 mL 0.0400 M Potassium Bromate...13.9 mL 0.100 M Hydrochloric acid...6.1 mL Using the rate constant and rate equation ...
*March 2, 2013 by Cassie*

**math**

A 16-ft ladder is sliding down a wall as shown in the figures below. The variable h is the height of the ladder's top at time t, and x is the distance from the wall to the ladder's bottom. Suppose that the top is sliding down the wall at a rate 5 ft/s. Calculate dx/dt when h...
*June 29, 2010 by Jacob*

**physics**

a car accelerates from rest at a constant rate alpha for some time, after which it decelerates at a constant rate beeta and comes to rest. if the total time elapsed is t, the maximum velocity acquired by the car will be?
*August 15, 2014 by aman verma*

**Physics please help!**

The distance between earth and the moon can be determined from the time it takes for a laser beam to travel from earth to a reflector on the moon and back. If the round-trip time can be measured to an accuracy of 0.19 of a nanosecond (1 ns = 10-9 s), what is the corresponding ...
*October 14, 2007 by Mary*

**physics please help??**

I know how to do this problem, but I am having a difficult time figuring out the distance . I thought that from wire 1 to P2 the distance is 45 cm, and the distance from wire 2 to the p2 the distance is 35 cm. However, I believe I am wrong, can someone please explain o me ...
*October 27, 2012 by henry*

**chem**

H2o2+3i+2h -----> I3+2H2o In the first 10.0 second of the reaction the concentration of I dropped from 1.000M to 0.868M a) calculate the average rate of reaction for iodine in this time interval. b) Determine the rate of change in the concentration of H during this time ...
*October 15, 2013 by niki*

**math**

a car travelved a distance of 195 miles in 3 hours 15 minutes what is the unit rate
*April 19, 2014 by jane *

**Physics**

(I'm only posting the questions I couldn't figure out, don't worry.) An object released from rest at time t=0 slides down a frictionless incline a distance of 1 meter during the first second. The distance traveled by the object during the time interval from t=1 second to t=2 ...
*January 17, 2008 by Hannah*

**College Physics**

In 1986, the distance of closest approach of Halley’s comet to the Sun is 0.57AU. (1 AU is the mean Earth-Sun distance = 150 million kilometers.) The comet’s speed at closest approach is 54.97 km/s. (a) – By 1989, Halley’s comet had traveled to a distance corresponding to the ...
*November 4, 2012 by johnathan*

**Algebra**

The tour de France is a bicycle race that begins in Ireland but is primarily a race through France. On each day, racers cover a certain distance depending on the steepness of the terrain. Suppose that one particulAr day the racers must comp,tee 210 mi. One cyclist traveling 10...
*April 18, 2011 by Anonymous*

**math**

Start from 110 feet away, a person on a bicycle rides towards a checkpoint and then passes it. The rider is travelling at a constant rate of 30 feet per second. The distance between the bicycle and he checkpoint is given by the equation d = |110 - 30t|. At what time is the ...
*October 23, 2014 by Annie *

**physics**

a) Find the maximum rate of deceleration of a car on a dry, level road, assuming the coefficient of static friction between tires and pavement equals 1.4. (b) Find the minimum stopping distance if the car has an initial speed of 27.5 m/s. (c) Repeat parts (a) and (b) assuming ...
*February 8, 2011 by Anonymous*

**Calculus**

A woman at point A on the shore of a circular lake with radius 2.5mi wants to arrive at the point C diametrically opposite A on the other side of the lake in the shortest possible time. She can walk at a rate of 3.25 mi/hr and row at a rate of 2 mi/hr. Find shortest time.
*April 30, 2013 by Shannon*

**Chem**

Consider the following reaction: 6A + 2B 5C + 4D Determine the following rates at a time when the rate of consumption of B is 2.5E-05 M/s. a) rate of consumption of A M/s b) rate of formation of C M/s c) rate of formation of D M/s d) rate of reaction M/s
*November 14, 2011 by Rachel*

**Physics**

The distance between a loudspeaker and the left ear of a listener is 2.19 m. (a) Calculate the time required for sound to travel this distance taking the speed of sound to be 343 m/s. (b) Assuming that the sound frequency is 525 Hz, how many wavelengths of sound are contained ...
*March 3, 2013 by Tim*

**Physics**

A small mirror is attached to a vertical wall, and it hangs a distance of 1.81 m above the floor. The mirror is facing due east, and a ray of sunlight strikes the mirror early in the morning and then again later in the morning. The incident and reflected rays lie in a plane ...
*April 10, 2013 by Tim*

**Physics**

A small mirror is attached to a vertical wall, and it hangs a distance of 1.81 m above the floor. The mirror is facing due east, and a ray of sunlight strikes the mirror early in the morning and then again later in the morning. The incident and reflected rays lie in a plane ...
*April 10, 2013 by Jacoby*

**Physics**

A small mirror is attached to a vertical wall, and it hangs a distance of 1.81 m above the floor. The mirror is facing due east, and a ray of sunlight strikes the mirror early in the morning and then again later in the morning. The incident and reflected rays lie in a plane ...
*April 11, 2013 by Sue*

**SCIENCE**

IF A TORTOISE AND A HARE ARE RUNNING IN A RACE. AND IN MY GRAPH I HAVE DISTANCE IN THE VERTICAL SCALE AND TIME IN THE HORIZONTAL SCALE. THE TORTOISE IS RUNNING AT A CONSTANT RATE WITHOUT STOPPING. BUT THE HARE IS CONFIDENT AND HE STOPS HOPPING AND WAITS FOR THE TORTOISE TO ...
*July 18, 2010 by Anonymous*

**Physics repost please clarify**

The distance between earth and the moon can be determined from the time it takes for a laser beam to travel from earth to a reflector on the moon and back. If the round-trip time can be measured to an accuracy of 0.19 of a nanosecond (1 ns = 10-9 s), what is the corresponding ...
*October 16, 2007 by Mary*

**physics**

distance = velocity x time 36m/s x4 =144/2 = 72 d=vt 32 x 6 = 192 distance - 72M + 192M = 264M
*June 8, 2012 by fahd*

**Math**

A car is heading east toward an intersection at the rate of 40 mph. A truck is heading south, away from the same intersection at the rate of 60 mph. At what rate is the distance between the car and the truck changing when the car is 8 miles from the intersection and the truck ...
*July 31, 2011 by eve*

**Math**

A car is heading east toward an intersection at the rate of 40 mph. A truck is heading south, away from the same intersection at the rate of 60 mph. At what rate is the distance between the car and the truck changing when the car is 8 miles from the intersection and the truck ...
*July 31, 2011 by eve*

**Math**

Please help me.... Two cars are starting from positions that are 20 miles apart. They are both headed for the same intersection, as depicted in the diagram below. Car A is traveling at 30 mph, and Car B is traveling at 45 mph. Which car will reach the intersection first? 1. ...
*January 8, 2014 by Lizzie098*

**science and medicine**

I don't have any idea how to solve this. Could someone show me the steps in solving this word problem? I am at a loss! Abus leaves a station at 1 pm., traveling west at a rate of 44 mi/h. One hour later a second bus leaves the same station, traveling east at a rate of 48 mi/h....
*March 21, 2007 by andy*

**Calculus**

Two cars start moving from the same point. One travels south at 60 mph and the other travels west at 25 mph. At what rate is the distance between the cars increasing 2 hours later? Let x = the distance covered by the south traveling car. Let y = the distance covered by the ...
*June 28, 2013 by Robin*

**physics**

An elevator of mass M rises a distance H in time T and acquires potential energy PE. If it rises the same distance in half the time the increase in potential energy will be?
*June 29, 2010 by Anonymous*

**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**

The bus stations in Trawlwy and Fenton are 220 miles apart. A bus left Trawley for Fenton at 9:00am. Traveling at 40 miles per hour. One hour later, an express bus left Fenton for Trawley traveling along the same road at 50 miles per hour. At what time did the buses pass each ...
*May 4, 2012 by Miranda*

**Physics**

A car accelerates steadly from zero to 30m/s in a distance d & a time t, another car takes a time 3t to accelerate steadly from stationary to the same final velocity.what distance does the second car cover during the new the new acceleration?
*November 25, 2012 by Minte*

**Math**

Jane walks one mile from her house to her grandparents’ house. Then she returns home, walking with her grandfather. Her return rate is 70% of her normal walking rate. Let r represent her normal walking rate. a. Write an expression for the amount of time Jane spends walking. b...
*May 5, 2014 by Anonymous*

**Math - Compound**

If a bank offers interest at a nominal rate of 6%, how much greater is the effective rate if interest is compounded continuously than if the compounding is quarterly? I don't get this question at all... All I'm given is the rate and how am I suppose to compare compounded ...
*January 24, 2009 by Anonymous*

**8th Grade Algebra1**

I don't understand this question, so if anyone can answer it, that would be great! We are doing motion problems, so as you probably know, the formula is d=rt. (distance equals rate times time.) We have to make a chart to answer the following question... A roller coaster goes ...
*November 7, 2008 by Nicole C.*

**math**

The long-distance plan for an in-home phone costs 303.23 per month plus 2.18 per min for long-distance calls both within your state or between states, with no limit to the number of minutes of call time.
*September 10, 2014 by Charity*

**Math**

Over a fixed distance speed r varies inversely as time t. If the speed of a car is 30 mph when the time is 6 seconds what would the speed be of the car if the time was 4 seconds
*July 11, 2013 by Scott*

**Physics**

Hi, i'm kinda lost with this one. a ball is thrown at 15m/s at an angle of 30 degrees to the horizontal , how far does it travel horizontally before making contact with the ground? THANKS IN ADVANCE! You'll need to determine how long the object is in the air first. Then the ...
*October 7, 2006 by Jackie*

**math**

Water is leaking out of an inverted conical tank at a rate of 11400 cm^3/min at the same time that water is being pumped into the tank at a constant rate. The tank has height 8.0m and the the diameter at the top is 3.5m. If the water level is rising at a rate of 19.0cm/min ...
*March 25, 2008 by shelby*

**Calculus-particle motion**

1. A particle is moving on the x-axis (or any number line) Its position x(t), or distance from the origin, at the time t is given by x(t)=4t^3-16t^2+15t. t is greater than or equal to 0 a.) Where is the particle when it is at rest? b.) During what time interval is the particle...
*February 7, 2011 by Matt*

**Calculating Rate Constants**

I'm really stuck with this one. Here's the rate law and the data that is needed. I appreciate any help Rate= k[I2]X{[H+]Y[CH3COCH3]Z Column 1 - Trial Column 2 - Volume of 0.0010 M I2 Column 3 - Volume of 0.050 M HCl Column 4 - Volume of 1.0 M acetone Column 5 - Volume of ...
*February 13, 2013 by Amy*

**Math**

20. The time t required to drive a certain distance varies inversely with the speed, r. If it takes 2 hours to drive the distance at 67 miles per hour, how long will it take to drive the same distance at 55 miles per hour? a. about 1.64 hours b. about 134.00 hours c. about 2....
*May 23, 2014 by Anonymous*

**algebra word problem**

A long distance runner starts at the beginning of a trail and runs at a rate of 5 miles per hour. One hour later, a cyclist starts at the beginning of the trail and travels at a rate of 13 miles per hour. What is the amount of time that the cyclist travels before overtaking ...
*February 27, 2014 by brandy*

**Economic Question**

Sorry, this is a little long, hope somebody could give me some help. Thanks in advance. Consider the exchange rate of the dollar for the euro. Suppose that the liquidity function L(i) is the same in both the United States and Europe. The United states and Europe are initially ...
*June 21, 2008 by Leo*

**Physics**

Show that the average speed of a rabbit that runs a distance of 30 m in a time of 2 s is 15 m/s. I have a whole bunch of problems such as these and i'm not sure what math formula to use to figure problem.I know its Acceleration ! change of velocity time interval ! "v "t but ...
*October 10, 2012 by Katherine*

**physics**

A .22 rifle bullet traveling at 360m/s strikes a block of wood, which penetrates to a depth of .110m. The mass of the bullet is 1.80g. Assume a constant retarding force.A) how much time is required for the bullet to stop? b) what force in newtons soes the wood exert on the ...
*November 16, 2006 by Chris*

**math URGENT PLEASE HELP**

can you please explain this question to me for part b i get t=0.7 by trial and error and 0.6 percent of the population but im sure theres a more exact way to do it (a) A chemical process produces NaCI at the rate 3.Jtgrams per minute. (i) What is the rate of production 4 ...
*May 25, 2010 by jessie*

**calculus**

The Voltage v , Current I and Resistance R are related by the equation V=IR. Suppose that V is increasing at a rate of 2 volt/sec, while I is decreasing of the rate of 1/5 (amp/sec ). Let t denote time in seconds. Find the rate at which R is changing when V=40volts and 1=2 amp .
*November 7, 2014 by Maria*

**calculus**

The Voltage v , Current I and Resistance R are related by the equation V=IR. Suppose that V is increasing at a rate of 2 volt/sec, while I is decreasing of the rate of 1/5 (amp/sec ). Let t denote time in seconds. Find the rate at which R is changing when V=40volts and 1=2 amp .
*November 8, 2014 by maria*

**finance**

What is the relationship between an interest rate and a discount rate in time value of money calculations?
*November 16, 2010 by Anonymous*

**Economics**

The economy consists of the following: - working-age population: 20M - full time employment: 8M - part-time employment: 2M (1M of whom wish they had full-time jobs) - unemployment: 1M If 0.6M of those unemployed are frictionally, structurally, and seasonally unemployed, what ...
*February 28, 2007 by Freddy*

**Production & Operations Mgmt in Business**

If someone could help me, I am truly desperate here. I am struggle with this problem. – Simple Linear Regression Applications Interpretation and Use of Computer Output (Results) (1) The management of an international hotel chain is in the process of evaluating the possible ...
*September 30, 2012 by Jack*

**Math**

t noon, ship A is 30 nautical miles due west of ship B. Ship A is sailing west at 16 knots and ship B is sailing north at 22 knots. How fast (in knots) is the distance between the ships changing at 7 PM? (Note: 1 knot is a speed of 1 nautical mile per hour.) Note: Draw ...
*October 15, 2009 by Salman*

**Statistics**

In a three-channel queuing system, the arrival rate is 1 unit per time period and the service rate is 0.6 unit per time period. Determaine the probability that an arriving unit does not have to wait.
*November 15, 2012 by Ellis*

**Math**

A particle moves in a straight line with velocity t^(-2)-(1/16) ft/s. Find the total displacement and total distance traveled over the time interval [2,5 ok i got the displacement is .1125 ft however i can not find the distance! help!
*November 18, 2007 by Anonymous*

**Physics **

A crate is initially at rest on a rough, horizontal floor. The crate moves in a straight line as it is pushed resulting in the crate speeding up at a constant rate of 3.89 m/s2. After a while, the crate is no longer being pushed and the crate slows down at a constant rate of 5...
*January 25, 2013 by Lyn*

**math rate**

15 chapters in 5 days - I already know the unit rate is 3 - I have to give the rate and unit rate. I don't know how to figure out the rate. Can someone please help me? rate is 15 chapters/5 days unit rate is 3 chapters/day
*March 4, 2007 by brandon*

**Logarithm**

The rate of auto thefts triples every 6 months. (a) Determine, to two decimal places, the base b for an exponential model y = Ab^t of the rate of auto thefts as a function of time in months. b = (b) Find the doubling time to the nearest tenth of a month. months
*September 3, 2013 by Sydney*

**Chemistry**

For the reaction, 2 XO + O2 = 2 X02, some data obtained from measurement of the initial rate of reaction at varying concentrations are given below. run # [XO] [O2] rate, mol L-ls-l 1 0.010 0.010 2.5 2 0.010 0.020 5.0 3 0.030 0.020 45.0 The rate law is therefore a. rate = k[XO...
*February 20, 2012 by Hannah*

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