Monday
March 27, 2017

Number of results: 7,748

Physics
Please help me with the following problem: Joe is on a cross-country trip from New York to Los Angeles. He drives for 45.0 min at 70.0 km/h, 10.0 min at 95 km/h, and 30.0 min at 55.0 km/h, and he spends 20.0 min eating lunch and buying gas. What is the average speed for this ...
March 5, 2014 by Brady

math
can someone please help me, Rob is going to college in Oklahoma which is 680 miles from their his home in Tennessee. He can travel on state highways at 55mph or on the interstate at 70mph. Approximately, how much longer will his trip be if he takes state highways? A. 5 hrs 3 ...
October 23, 2008 by Julie

Math
A motorist took a total of 4hr to drive from town A to town C. He took 1hr to travel from town A to town B,which is between town A & town C. The distance between town B & town C is 11/15 of the distance between town A and town C. If the total distance travelled is 360km,find ...
March 26, 2012 by Da S

Physics
Richard is driving home to visit his parents. 125 of the trip are on the interstate highway where the speed limit is 65 . Normally Richard drives at the speed limit, but today he is running late and decides to take his chances by driving at 70. How many min does she save?
September 16, 2010 by Danny

math
marcus drives a delivery truck and spent \$80 on gas on his frist week .if he drives for 8 month using baout this much would he spend on gas ? use estimation to find the answer to the nearest \$1000.
February 28, 2011 by cindy

Drivers ED
You are more likely to get a reduced insurance premium if you? A:are under 25 years old B:are a driver with a good driving record*** C:are in the assigned risk plan D:drive under 12,000 miles yearly An oncoming vehicle crosses the center line and drives into your lane. You ...
December 8, 2016 by Marylyn

Chemistry/lab math
I think I have these figured out correctly but I'm not sure if I might have converted in the wrong direction; The rate of the enzyme activity of a certain reaction is a. 0.0027 μmol/min/mL. Express it as __ μmol/min/L My answer: 2.7 μmol/min/L b. 15,000 μ...
August 20, 2013 by Anonymous

geometry
8. A conveyor belt carries supplies from the first floor to the second floor, which is 27 feet higher. The belt makes a 60° angle with the ground. How far do the supplies travel from one end of the conveyor belt to the other? Round your answer to the nearest foot. If the belt...
February 15, 2013 by shellie

Physics
A man in search of his dog drives first 13.3 mi northeast, then 17.3 mi straight south, and finally 6.85 mi in a direction 30.3° north of west. 1. a) What is the magnitude of his resultant displacement? 2. b) What is the direction of his resultant displacement? Express your ...
January 27, 2015 by Chris

Physics
A man in search of his dog drives first 13.3 mi northeast, then 17.3 mi straight south, and finally 6.85 mi in a direction 30.3° north of west. a) What is the magnitude of his resultant displacement? b) What is the direction of his resultant displacement? Express your answer ...
January 29, 2015 by Stacy

Anatomy
I have the formula to problem but can not come up with any of the answers. Problem: Calculate the cardiac output if heart rate (HR) is 90 beats per minute, stroke volume (SV) is 110 ml/beat, end diastolic volume (EDV) is 140 ml, and end systolic volume (ESV) is 30 ml. select ...
June 5, 2016 by Mary

Chemistry
An enzyme has velocities of 0.11 nmol/min at a substrate concentration of 1 μM, 0.34 nmol/min at a substrate concentration of 5 μM, and 0.45 nmol/min at a substrate concentration of 10 μM. What is the Vmax for the enzyme if the KM is 5 × 10–6 M? A. 0.22 nmol/...
September 11, 2016 by Anonymous

Math
Mr Connors drives his car 11 miles each day to and from work. Is this distance mr Connors drives commuting to work proportional to the number of days he works ? How do you know?
February 5, 2014 by Niko

Physics
A car drives east at 40km/h and then turns back and drives west back to the strating point at 70 km/h, what is the avarge speed of the car?
October 3, 2016 by need help

math
Mario plays basketball for 30min on Monday,60 min on Tuesday, 90min on Wednesday, 120 min on Thursday,150 min each on Friday and Saturday, and rests on Sunday. How many hours does he spend playing basketball in 1 week?
February 26, 2016 by alijah urbiztondo

physics
police officer in a patrol car parked in a 70km/h zone observe a passing automobile travelling at a slow. constant speed. believing that of the automobile might be intoxicated the officer starts his car acceleration uniformly to 9km/h in 8s. and maintaining a constant velocity...
October 17, 2013 by abdul

fizik
i really need the answer quickly 1. Linda travels by car around one city to another with different constant speeds between pairs of cities. She travels for 35 min at 84 km/h, 17 min at 105 km/h and 50 min at 42 km/h and spends 25.0 min eating lunch and buying gas a) Determine ...
February 19, 2011 by alya

Psychology
Families traveling with young children often make many stops as a result of   A. Primary drives  B. Secondary drives  C. Incentives  D. Cognitive needs
July 25, 2013 by Katherine

physics
A train at a constant 43.0 km/h moves east for 20.0 min, then in a direction 54.0° east of due north for 25.0 min, and then west for 30.0 min. What are the (a) magnitude and (b) angle (relative to east) of its average velocity during this trip?
September 24, 2015 by barich

Physics
A truck travels 2.85 km north and then makes a 90° left turn and drives another 4.90 km. The whole trip takes 4.50 min. (a) With respect to a two-dimensional coordinate system on the surface of Earth such that the y-axis points north, what is the net displacement vector of ...
May 21, 2012 by James

Create math equation
Anthony leaves kingstons at 2:00 pm and drives to queensville, 160mi distant, at 45 mph. At 2:15 pm Helen leaves queensville and drives to kingston at 40mph. At what time do they pass each other on the road?
September 17, 2014 by Mo

Algebra
A man drives from city to village a distance of 48 km ,in 45 minutes. Where the road surface is good , he drives at 72 km/hr and where it is bad , at 48 km/hr. Find the number of kilometres of good surface. (Form an algebraic equation and solve it).
November 12, 2016 by Zia

math
toilet .05 min to fill 1.5 gal to fill w mach 5.3 min 1.7 gal tub 6.3 min 20 gal sink 1.4 min 5.0 gal which has the fastest fill rate
July 9, 2015 by bertha

Math
A salesman drives from Ajax to Barrington, a distance of 150 mi, at a steady speed. He then increases his speed by 10 mi/h to drive the 183 mi from Barrington to Collins. If the second leg of his trip took 3 min more time than the first leg, how fast was he driving between ...
February 28, 2013 by Anonymous

physics
a radioactive sample has a decay rate R of 518 decay/min at time t=7 min and 156 decay/ min at time t=17 min. calculate the decay constant and the initial decay rate?
December 16, 2015 by renaa

Physics
A train moving at a constant speed of 68.0 km/h moves east for 36.0 min, then in a direction 48.0° east of due north for 30.0 min, and then west for 45.0 min. What is the average velocity of the train during this run?
February 3, 2010 by Josh Burnz

physics
A train moving at a constant speed of 68.0 km/h moves east for 33.0 min, then in a direction 40.0° east of due north for 30.0 min, and then west for 59.0 min. What is the average velocity of the train during this run? Magnitude km/h
December 16, 2008 by help

Math
On an EKG strip a nurse determines that a patient's heart is beating 5 times every 4.5 seconds. Calculate the time for each heart beat. I don't really understand what the question is asking for? Is it looking for how often the beats will occur (4.5/5)= 0.9 seconds??? Or is it ...
September 12, 2014 by RIC

math
Mike and Sandra leave the seashore at the same time. Mike drives northward at a rate of 55mph, while Sandra drives west at 65mph. Find how far apart they are after 3 hours to the nearest mile.
February 13, 2016 by lissa

I have to create a double number line graph and im not sure if i'm doing it right? Jenny can make 10 flower arrangements in 5 minutes. How many arrangements can she make in 6 min? 4 1/2 min? 3 min?. What is the unite rate?
October 17, 2012 by Brandon

physics
calculate the number of kilocalories needed to climb 232 stair steps (116 steps per minute for 2 min.) climbing stairs (116/min.) = energy consumption rate is 9.8 (kcal/min)
November 24, 2014 by rochelle dataro

Physics
Aiyana drives for 100 s at a rate of 20m/s, then turns around and drives for another 200 s at a rate of 30m/s and completes the rest of her journey at a rate of 90m/s for 100 s. what is her average velocity?
October 14, 2012 by Sarah

math
if one car drives at 83 mph and the other drives at 83 mph how long until their 83 miles apart. i did 83x + 48x = 83 131x = 83/131 divided by 1 x = 83/131 multiply by 60/1 = 131 multiplied by 60 = 2.2 i got 2.2 hours
October 28, 2015 by lexus

american history
At the outset of the secessionist movement in the South, which state defeated the cooperationist argument that the South should act as a unit? A. Mississippi B. South Carolina C. Virginia D. Kentucky
January 18, 2013 by leanne

physics
After flying for 15 min in a wind blowing 42 km/h at an angle of 20° south of east, an airplane pilot is over a town that is 42 km due north of the starting point. What is the speed of the airplane relative to the air?
September 17, 2009 by Nick

physics
After flying for 15 min in a wind blowing 42 km/h at an angle of 20° south of east, an airplane pilot is over a town that is 42 km due north of the starting point. What is the speed of the airplane relative to the air?
September 17, 2009 by Nick

physics
After flying for 15 min in a wind blowing 42 km/h at an angle of 20° south of east, an airplane pilot is over a town that is 42 km due north of the starting point. What is the speed of the airplane relative to the air?
September 17, 2009 by Nick

Physics
After flying for 15 min in a wind blowing 42 km/h at an angle of 34° south of east, an airplane pilot is over a town that is 40 km due north of the starting point. What is the speed of the airplane relative to the air?
July 10, 2010 by Sam

physics
After flying for 13 min in a wind blowing 37 km/h at an angle of 25° south of east, an airplane pilot is over a town that is 59 km due north of the starting point. What is the speed of the airplane relative to the air, in km/h?
September 2, 2011 by Pat Rick

Physics
After flying for 15 min in a wind blowing 42 km/h at an angle of 28° south of east, an airplane pilot is over a town that is 42 km due north of the starting point. What is the speed of the airplane relative to the air?
February 5, 2013 by Patricia

physics
After flying for 13 min in a wind blowing 44 km/h at an angle of 21° south of east, an airplane pilot is over a town that is 53 km due north of the starting point. What is the speed of the airplane relative to the air?
September 9, 2015 by Help

math
Josh has been running for 6 min and completes a lap in 7 min. Gabe has been running for 2 min and completes a lap in 9 min. How many more laps must Josh and Gabe complete to have run the same amount of time?
November 14, 2014 by Anonymous

Algebra 2
Please help super confused!!! Which points are the best approximation of the relative maximum and minimum of the function? f(x)=x^3+3x^2-9x-8 a. Relative max is at (3,-13), relative min is at (-3,-19). b. Relative max is at (-3,19), relative min is at (1,-13). c. Relative max ...
November 14, 2016 by Olivia N J

GEOMETRY/ALGEBRA
A balloon, with a final volume of 40 cm3, took 4 min to fill. At what rate was the balloon filled? Choose exactly two answers that are correct. A. B. 40 cm3 = 4 min • r C. 40 cm3 • r = 4 min D. r – 4 h = 14 in.
March 16, 2016 by DEE

trigonometry
A truck with 48-in.-diameter wheels is traveling at 45 mi/h. (a) Find the angular speed of the wheels in rad/min. rad/min (b) How many revolutions per minute do the wheels make? rev/min
November 26, 2012 by monic

science
A positive charge of 3.50 µC is located in an electric field of intensity 3.00 N/C directed toward the south. Find the magnitude and the direction of the force on the test charge. (remember E = Fon q' / q', and 1 µC = 1.00 x 10-6 C) a. 8.6 x 105 toward the south c. 1.2 x 106...
October 20, 2012 by john smith

Math
If Bill drives 45 MPH and Jim leaves 2 hours later and drives 75 MPH and they both maintain constant speed, how long will Jim travel before passing Bill?
January 8, 2009 by Sally

physics
A car drives 100 meters at 30 degrees north of east, stops, turns to an angleof 210 degrees from the east, and then drives another 60 meters. What is the magnitude of the total displacement?
April 11, 2011 by Mary

maths
A man drives from ibadan to Oyo, a distance of 48km in 45 minutes. If he drives at 72km/h where the surface is good and 48km/h where it is bad, find the number of kilometres of good surface.
April 26, 2016 by somay

Chemistry
Determine the rate law, including the values of the orders and rate law constant, for the following reaction using the experimental data provided. Q + X yields products Trial [Q] [X] Rate 1 0.12 M 0.10 M 1.5 × 10-3 M/min 2 0.24 M 0.10 M 3.0 × 10-3 M/min 3 0.12 M 0.20 M 12.0...
March 4, 2016 by nan

Maths
Kim drives 156 miles from Rotherham to London. She drives at an average speed of 60 miles per hour. She leaves Rotherham at 7:30 am. Does she drive in London before 10:00 am?
February 2, 2017 by A B I

Physics
Jason drives due west with a speed of 35.0 mi/hr for 30 mins, then continues in the same direction with a speed of 60.0 mi/hr for 2.00 hr then drives farther west at 25.0 mi/hr for 10.0 mins. What is his average velocity?
September 12, 2010 by Dakota S

math
jesse drive 6 3/8 miles in a golf cart during a round of golf. Payton drives 7 3/4 miles . how much father dose payton drives
May 9, 2016 by sckid30

Physics
A truck driver travels 55 km in 1 hour. He then drives a speed of 35km/hr for 2 hrs. Next, he drives 175 km in 3 hrs. What was his average speed? Should i add up the total distance and total time taken then solve?
March 25, 2013 by Ariel

STATS
recent 10K run the finisher are norm dist with a mean of 55 min and stand dev of 13 A) determine the percentage of finishers with times between 45 and 75 min B) determine the percentage of finshers less than 80 min C) obtain the 30th percentile D) find the 8th decile
April 27, 2012 by RACHELLE

math
Simple algebra question, but i need a little assistance on it!! like, how to i get started?? A truck drive in a western states drives 200 miles ever 3 hours. Each day he drives exactly 12 hours and earns \$185. How much will he earn for making a 2400 mile trip? THANK YOU FOR ...
September 1, 2007 by insertmynamehere

math
mr.flanders drives 1 2/3 miles to school and 1 2/3 miles home each day.he also drives an extra 2 2/7 miles to go to the gym.how many miles does he drive in one day?
January 27, 2015 by LAKSHMI

math
Simplify. 3 h 20 min 4 h 25 min + 5 h 35 min
November 10, 2009 by Anonymous

physics
part 1 Simpson drives his car with an average veloc- ity of 47.5 km/h to the east. How long will it take him to drive 137 km on a straight highway? Answer in units of h part 2 How much time would Simpson save by in- creasing his average velocity to 105 km/h to the east? Answer...
September 6, 2011 by ashley

Statistics
Exponential distribution was used to model the lengths of CD-ROM drives in a two drive system. The two CD-ROM drives operate independently, and at least one drive must be operating for the sytem to eperate successfully. Both drives have a mean length of life of 25,000 hours. A...
August 2, 2012 by Danielle

math,
Exponential distribution was used to model the lengths of CD-ROM drives in a two drive system. The two CD-ROM drives operate independently, and at least one drive must be operating for the sytem to eperate successfully. Both drives have a mean length of life of 25,000 hours. A...
March 11, 2015 by ehsan

Math
The following table shows the rate of water flow (in L/min) through a dam. t (min) 1 6 11 16 21 26 31 V'(t) (L/min) 1 8 2 9 7 5 9 Approximate the total volume of water that passed through the dam from t=1 to t=31 using Simpson's rule, with n=6.
May 4, 2016 by Steve

Pre Calculus
The following table shows the rate of water flow (in L/min) through a dam. t (min) 1 5 9 13 17 21 25 V'(t) (L/min) 6 6 2 2 3 6 2 Approximate the total volume of water that passed through the dam from t=1 to t=25 using Simpson's rule, with n=6.
May 12, 2016 by John

us history
Which of these statements best compares the economic development of the North and South during the first half of the 19th century? More factories and railroad lines were built in the North than in the South. The North developed more trade connections with Europe than the South...
March 27, 2015 by Oscar

Physics
A car enters the freeway with a speed of 7.2 m/s south and accelerates uniformly for 4.2 km in 4.0 min. How fast (in m/s) is the car moving after this time? I only need the formula. My teacher gave us a list but did not tell the class which equation is for which. Help please.
September 23, 2014 by Selena

physics
What is the angular speed in rev/min of the Earth as it orbits around the sun? I'm confused with this problem. I know we have to convert from rad/s to rev/rad to s/min in order to get the units as rev/min. But I don't know what to use for rad/s
April 17, 2012 by Priscilla

Math
Student A, B and C con complete a puzzle in 20 min, 15 min, and 30 min respectively. If all three student work together, how long will it take to complete the puzzle?
November 16, 2015 by Ana

Math
If niti drives her car at 5okm/hr from her home,she reaches the office late by 10min. However if she drives at 60km/hr,she reaches the office 5min early.find the distance of the office from her home.
September 8, 2012 by Simran kaur

pre-algrebra
I just do not understand dimensional analysis. Can anybody explain this question: 32 cm = ?m ---- ---- s min Although your dimension labels to not seem to be lined up correctly, it looks like you are being asked to convert 32 cm/s to ? meters/minute. You can do that by ...
March 20, 2007 by Janet

math
a motorist goes 78km in 40minutes calculate it speed
July 4, 2011 by Anonymous

Chemistry
The instantaneous rate of appearance of water from the reaction 4 NH3(g) + 5 O2(g) → 4 NO(g) + 6 H2O(g) at some moment in time is 21.3 mmHg per minute. What is the instantaneous rate of disappearance of NH3 at the same moment in time? 10.7 mmHg/min 14.2 mmHg/min 21.3 ...
May 16, 2011 by dude

physics
a plane flys 350 km south along a straight path with an average velocity of 125 km/h to the south. the plane has a 30 minute layover and then travels 220 km south with an average velocity of 115 km/h to the south. what is the average velocity of the trip
November 13, 2012 by connor

Physics
A forklift driver at the Acme W&W warehouse drives a forklift from the main entrance to a loading dock 20m away. He then turns back towards the entrance and drives 13m to pick up a pallet of equipment. Finally, he turns back towards the loading dock, drives 10m and deposits ...
August 30, 2014 by Yalin

math
If 3 people walk around a track, one takes 6 min, one takes 9 min and one takes 12 min. How long til they meet at the start line?
October 26, 2015 by megan

physics
It takes you 7.6 min to walk with an average velocity of 2.5 m/s to the north from the bus stop to the museum entrance. How far did you walk? Answer in units of m What is your direction? (multiple choice) 1. West 2. North 3. South 4. East
September 29, 2011 by Sam

physics
Heather and Matthew walk eastward with a speed of 0.98 m/s. If it takes them 34 min to walk to the store, how far have they walked? If Joe rides south on his bicycle in a straight line for 15 min with an average speed of 12.5 km/h, how far has he ridden? It takes you 9.5 min ...
September 20, 2006 by anonymous

MATH
Abby, Betty, Cassie, and Dale need to cross the river on a boat. The boat only fits at most two people. If two people go over one must bring it back for the others. Abby takes 1 min., Betty 2 min., Cassie takes 5 min., and Dale takes 10 min.. The time it takes is based on the ...
April 27, 2015 by Chris

physics
A train moving at a constant speed of 68.0 km/h moves east for 33.0 min, then in a direction 40.0° east of due north for 30.0 min, and then west for 59.0 min. What is the average velocity of the train during this run? Magnitude km/h Direction ° (counterclockwise east)
December 14, 2008 by john

math
john types 20 pages in 40 min, sue types 20 pages in 30 min, bob types 20 pages in 24 min. working togehter how long to type 20 paqes
February 5, 2012 by cliff

PHYSIC
If a blue car drives 10km/h across the deck of an ocean liner that is traveling at 90km/h, what is the blue car's speed relative to the surface of the water when it drives toward the front of the ocean liner?
October 6, 2010 by ANA

math
jimmy swam for 5 more min than tim. write an expression showing the number of min tim swam. let m represent the number of min.
April 4, 2011 by madsion

in the last three years, Fred's basketball team won 30 more games than they lost. if they won 150 games, what was their ratio of wins to losses? What are three different ways to show the ratio? what is the unit rate if Ramon drives his car 180 miles in 3 hours? what is the ...
September 26, 2012 by sk8rgurl

Statistics
The following data represent the number of flash drives sold per day at a local computer shop and their prices. Price (x) Units Sold (y) \$34 3 36 4 32 6 35 5 30 9 38 2 40 1 a. Perform an F test and determine if the price and the number of flash drives sold are related. Let (...
April 29, 2012 by Paul

math
how to solve this problem: max min(x-y)..... here where the max have written, under it x>=0 is also given. also under min y>=0 is given. Also tell that is this is equals to min max(x-y) ? (same as above under max x>=0, under min y>=0 is given) x and y both in R
November 16, 2011 by shiya

Math
Christian drives 120 miles in the same length of time while Julius drives 200 miles. If the speed of Julius exceeds that of Christian by 35mph, find the speed of each
July 20, 2014 by AD12

geography
which of the following statements is true of Singapore a. Singapore's government condemned u.s. military actions in Afghanistan. b. Singapore finally became self governing in 1965 c. Singapore is member of the federation of Malaysia d. Singapore is a major manufacturer of ...
January 20, 2014 by cali

biostatistic
recent suggestion is 60 min of exercise per day. A sample of 50 adults in a study of risk factor report exercising a mean of 38 min per day with a standerd deviation of 19 min .based on sampal data, is physical activity significantly less than recommended? Run the appropriate ...
November 20, 2012 by nono

South America
an aeroplane flies horizontally at 80m/s in still air if the aviator wishes to fly due south and the wind is blowing from the south-east at 30m/s 1.what course must he steer 2.how long will it take him to arrive at his destination 200km away
March 16, 2013 by Mehmood

math
the first planhas a \$16 monthly fee and charges an additional \$.08 for each min. of calls. the second plan charges \$10. fee and charges an addition \$.13 for each min. for how many min. of calls will the cost be equal?
August 27, 2014 by lisa

Physical Science
How does a Doppler effect aid police in detecting speeding motorist?
April 5, 2008 by Rachel

Physics
A motorist travels 90 km at 120km/h , and 70km at 75km/h . What is the average speed for the trip?
September 7, 2011 by Shay Baby

Calculus / Rates of Change
A jet flying due north at 16km/min passes 2 km directly above a plan flying due east at 8km/min. How quickly are they separating when the plane is 32 km from the crossover? What I have done (I am not sure if it is correct.): r^2=x^2+y^2+z^2 Since the plane has gone 32 meters, ...
March 6, 2016 by Jermaine

Math
Angelica ran in a half-marathon. The length of the race was 21.1 km. She ran 1700 m in the first 10 min of the race. In each 10-min interval after the first one, her distance decreased by 4%. How far did she run in the tenth 10-min interval?
January 10, 2017 by Peter

Math
Andy set his computer to beep every 6 min. and to chirp every 10 min. His computer just beeped and chirped at the same time. In how many min. will it next make both sounds at the same time?
November 7, 2015 by Cassidy

calculus
Determine the rate at which the surface area is changing with respect to time at t=2 min, assuming that r = 3 at t = 0 Assume that the radius r of a sphere is expanding at a rate of 14 in / min. Its surface area is 4(pi)r^2 Ds/dt= 4pi2rdr/dt i got 4pi2(28)(14) is that right or...
October 14, 2010 by Help asap!! plz

math
Timmy and Kenny raced in biking and running. Timmy won first place by clocking in at 5.75 min. in biking and 8.2 min. in running. Kenny won 2nd place by clocking in at 6.2 min. in biking and 9.4 min. in running. What is the difference of their clock-ins together?
August 1, 2014 by asdasd

Biology
Hey I am doing a lab, the link is down h t t p : //w w w . sd67 . bc . ca/schools/salc/biology%2012/module%20c%20-%20human%20biology/unit%2010%20-%20respiratory%20system/Homeostasis%20Lab .pdf And I really would like help with #1 My data is right here Pre exercise 0 min - Temp...
February 7, 2013 by Shreya

English check
1.)Supported the ideas of plainness, divine mission, and grace =a.)The North--Puritanism b.)The South---Gentlemen Planters c.)Both 2.Came to America to find freedom to worship and the Promised Land =a.)The North--Puritanism b.)The South---Gentlemen Planters c.)Both 3.Believed ...
August 24, 2010 by Ariel

Math
An aero plane leaves a point on latitude 54 degree south at 10am in the morning. It flies due south at a steady speed of 800km/hr .(A)calculate it's latitude at midday. (B) at what time does it pass over the south-pole
January 27, 2016 by Onotasamiderhi

math
Write the following ratio in simplest form: 32 min : 36 min
October 31, 2012 by Isa

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