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August 20, 2014

Homework Help: Computers: Operating Systems

Recent Homework Questions About Operating Systems

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Physics
Two 1.5 kg balls move away from each other, one traveling 6 m/s to the right, the other 2 m/s to the left. What is the magnitude of the total momentum of the system? Answer in units of kg · m/s
Sunday, July 14, 2013 at 5:54pm

algebra
Solve the given system by the substitution method. 2x+y=6, 5x-2y=6
Sunday, July 14, 2013 at 4:09pm

General Chemistry
H2 (g) + I2 (g) -> 2HI (g) What would happen to the amount of iodide present if hydrogen iodide is added? Removed? The volumeof the system is decreased? I got increase, decrease & same as my answer, but I don't completely understand it. Please help.
Saturday, July 13, 2013 at 6:39pm

theory to practice
Which of the following is an obstacle to learning for a begining mover? A.Knowledge of what elements of the movememts to focus on. B. Chronic indifference characteristic between birth and age three. C.shorter time to monitor perceptual input from the visual system. D. ...
Thursday, July 11, 2013 at 3:38pm

ETH/125
2.Sociologists point out that gender differences are maintained through a. systematic socialization. b. the legal system. c. the class system. d. biological differences. i am torn between a & d
Wednesday, July 10, 2013 at 9:15pm

eth/125
Sociologists point out that gender diffrences are maintained through a.systematic socialization b.the legal system c.the class system d. All of these
Wednesday, July 10, 2013 at 9:11pm

Calculus
During a flu epidemic, the number of children in the Woodbridge Community School System who contracted influenza after t days was given by the following. Q(t) = 8000/(1+199 e^(-0.6 t)) (a) How many children were stricken by the flu after the first day? children (b) How many ...
Wednesday, July 10, 2013 at 8:53pm

Bio
1. Pseudoscience and nonscience differ in that: A. nonscience is not valuable and pseudoscience is valuable. B. pseudoscience deceives, misleads, or misinforms and this is not a primary characteristic of nonscience. C. nonscience forms hypotheses and pseudoscience does not. D...
Wednesday, July 10, 2013 at 2:30pm

business communication
can you plz correct it Howdy comrades! Shouldn’t surprise anyone that we took a beating this year, given the insane pricing moves our knucklehead competitors have been making. I mean how those clowns can keep turning a profit is beyond me, what with steel costs still ...
Wednesday, July 10, 2013 at 10:06am

PHYSICS
An airplane is flying straight and level at a speed vo = 150 mph and with a constant time rate of increase of speed v' = 20 ft/s^2, when it starts to climb along a circular path with a radius of curvature p = 2000 ft. The airplane maintains v' constant for about 30s. ...
Tuesday, July 9, 2013 at 11:12pm

Physics (mechanics)
A u-control airplane of mass m is attached by control wires of length L and negligible mass to the "pilot" who controls the lift provided by the wing FL. The wires control the plane's elevator or angle of attack. The plane's engine keeps it moving at constant...
Tuesday, July 9, 2013 at 4:48pm

Number System
Subtract the following numbers using the standard method. 111 1110 0010 - 100 0111 - 111 =
Tuesday, July 9, 2013 at 6:20am

Number System
Add the following numbers: 1110 1011 101 + 101 1111 + 1111 =
Tuesday, July 9, 2013 at 6:18am

Number System
Converts binary 110111011 to hexasecimal.
Tuesday, July 9, 2013 at 6:13am

math
The population of a small town is modelled by the function p(t)= 20(4t+3)/2t+5 , where P(t) is the population, in thousands, and t is time, in years, since the start of 1990. a) Is the population currently increasing or decreasing? Justify your answer. b) The town will need ...
Monday, July 8, 2013 at 8:10pm

MATH
4. The population of a small town is modelled by the function p(t)= 20(4t+3)/2t+5 , where P(t) is the population, in thousands, and t is time, in years, since the start of 1990. a) Is the population currently increasing or decreasing? Justify your answer. b) The town will need...
Monday, July 8, 2013 at 7:09pm

financial management
How are finance and accounting related to an operating budget? where can I find information about this question. Basically I am asking how to break it down for easier searching any help is appreciated
Monday, July 8, 2013 at 7:02pm

math
find all nonnegative integer solutions of the system x+y<8 x+z<8 t+y<8 z+t<8
Monday, July 8, 2013 at 11:31am

math
find all nonnegative integer solutions of the system x+y<8 x+t<8 t+y<8 z+t<8
Monday, July 8, 2013 at 10:11am

Math
Solve the following system of equations using the cross multiplication method,ax+by=a-b;bx-ay=a+b
Monday, July 8, 2013 at 3:21am

Physics
Two equal masses(1 and 2) are connected by an ideal rope across a pulley. This system is on a larger block A; 1 is on top of A, while 2 is hanging off the side, and the pulley rests on the corner of A. The question is what is the minimal acceleration of A such that masses 1 ...
Sunday, July 7, 2013 at 2:11pm

MATH
4. The population of a small town is modelled by the function p(t)= 20(4t+3)/2t+5 , where P(t) is the population, in thousands, and t is time, in years, since the start of 1990. a) Is the population currently increasing or decreasing? Justify your answer. b) The town will need...
Saturday, July 6, 2013 at 11:09pm

Help please criminal j.
1. In re Gault assured juveniles a. the right to a jury trial b. all the above c. due process in the legal system d. the right to be tried as an adult All the above 2. Obtaining a confession by__ is constitution a. misrepresentations b. psychologicalcoercion c. physical ...
Saturday, July 6, 2013 at 12:13pm

phy
(Q1)A 40N force applied at an angle of 37c above the horizontal pulls a 5kg box on a horizontal floor. The acceleration of the box is 3m/s2,How large a frctional force must be retarding the motion of the box. (a)50 N(b)13N(c)17N(d)25N (Q2) A block of mass 2kg is connected to a...
Saturday, July 6, 2013 at 2:05am

algebra
how do you Solve the following system using the elimination method: 2x - 4y = 2 -4x + 6y = -4
Thursday, July 4, 2013 at 4:47pm

physics
In the following figure m_1 = 20.0kg kg and á alpha = 50.9 ∘ ^\circ. The coefficient of kinetic friction between the block and the incline is ì k = 0.40 What must be the mass m 2 of the hanging block if it is to descend 9.00m m in the first 3.00s s after ...
Thursday, July 4, 2013 at 1:49pm

statistics
The makers of the MAGNETIZER Engine Energizer System (EES) claim that it improves gas mileage and reduces emissions in automobiles by using magnetic free energy to increase the amount of oxygen in the fuel for greater combustion efficiency. Following are test results, ...
Thursday, July 4, 2013 at 1:07pm

math 3
Solve the following system using the elimination method: 10x - 6y = -16 5x + 2y = 22
Thursday, July 4, 2013 at 12:30pm

math 2
Solve the following system using the elimination method: -6x + 2y = 5 12x - 4y = -20
Thursday, July 4, 2013 at 12:28pm

math
Solve the following system using the elimination method: -3x + 4y = 6 9x - 12y = -18
Thursday, July 4, 2013 at 12:20am

algebra
Solve the following system using the substitution method: 6x - 2y = -4 y = 3x + 2
Wednesday, July 3, 2013 at 5:35pm

math
Solve the following system using the substitution method: 2x + 4y = 5 x = -2y + 6
Wednesday, July 3, 2013 at 5:34pm

math
Solve the following system using the substitution method: y = 3x - 9 y = -x - 1
Wednesday, July 3, 2013 at 5:33pm

algebra
Solve the following system using the substitution method: 3x + y = -3 y = 2x + 7
Wednesday, July 3, 2013 at 5:32pm

element of chemical engineering
the specific internal energy of a fluid is 200 cal/g .if the fluid leaves a system at a flow rate of 5 g/min ,at what rate does it transport internal energy out of the system?
Wednesday, July 3, 2013 at 12:45pm

phy
(Q1)calculate the electric power which must be supplied to the filament of a light bulb operating at 3000k. the total surface area of the filament is 0.000008m2 and iits emissivity is 0.92.(a)20.3w (b)33.8w(c)46.4w(d)56.7w (Q2) calculate the change in internal energy of 2kg of...
Wednesday, July 3, 2013 at 5:47am

phy
a 0.5kg piece of metal (c=600j/kg/k) at 300c is dumped into a large pool of water at 20c. assuming the change in temperature of water to be negligible,calculate the overall change in entropy for the system (a)85.5j/k(b) 67.4j/k(c) 122.3j/k
Wednesday, July 3, 2013 at 4:45am

Chemistry
H2 and F2 react according to the following equation, forming HF. H2(g) + F2(g)  2HF(g); H° = –271 kJ If H2(g) and F2(g) were mixed in a thermally insulated vessel, the reaction that occurred would be a. endothermic, and the temperature of the reaction ...
Tuesday, July 2, 2013 at 8:01pm

Chemistry
Bulb A is 100mL and contains Helium at 1atm. Bulb B is 500ml and contains Argon at 2atm The bulbs are connected together by a valve. (assume constant tempreature). What is the mole fraction of Argon in the opened system?
Tuesday, July 2, 2013 at 7:33pm

Chemistry
Bulb A is 100mL and contains Helium at 1atm. Bulb B is 500ml and contains Argon at 2atm The bulbs are connected together by a valve. (assume constant temperature). What is the total pressure of the system after the valves are opened?
Tuesday, July 2, 2013 at 7:00pm

Chemistry
The phrase “the heat absorbed or released by a system undergoing a physical or chemical change at constant pressure” is a. the change in enthalpy of the system. b. the change in internal energy of the system. c. the definition of a state function. d. the temperature ...
Tuesday, July 2, 2013 at 5:09pm

Physics
Two charges +q and −q are separated by a distance d=50 cm. The electric field lines for this system form the the well-known pattern showed in the figure below. Consider two lines L1 and L2 lying on the same plane and leaving the positive charge at α=±45∘...
Monday, July 1, 2013 at 2:18pm

economics
hoew do each of the following infastructure items affect aggregate supply: a) highways, b) schools, c) sewerage system, d) courts and prisons ?
Monday, July 1, 2013 at 3:25am

Human Resources
Creating a Budget Various budget approaches play an important role in resource allocation in human service organizations. You are the executive director for a local government workforce agency that focuses on providing career- and work-related skills. The Department of ...
Sunday, June 30, 2013 at 9:16pm

physics
A calorie is unit of heat or energy and it equals about 4.2J, where 1J= 1 kgm2/s2. Suppose we employ a system of units in which the unit of mass α kg, the unit of length β m & the unit of time γ s. Show that a calorie has a magnitude of 4.2α-1β-2γ...
Sunday, June 30, 2013 at 10:27am

business
Can you check my answers??? 11. Nearly a week before Hurricane Katrina reached New Orleans, Wal-Mart began moving trucks and supplies into position, as specified in the company's ________ plan. A. contingency B. operational C. tactical D. strategic 12. The country Artesia ...
Saturday, June 29, 2013 at 1:25pm

Mathematics
The nearest star to our solar system, is 4.3 light-years away Express this distance in miles in scientific notation
Saturday, June 29, 2013 at 12:58pm

Math 116
Identify the solution (s) of the system of equations, if any. x=1 y=1 (A) no solutions (B) (0,0) (c) (1,1) (D) infinitely many solutions Identify the solution (s) of the system of equations, if any. 3x-2y=6 5x=5-25y (A) (28/13, 3/13) (B) (-3/17, 32/17) (C) (2/17,-3/17) (D) (32...
Saturday, June 29, 2013 at 11:37am

business
Can anyone help with these questions??? 11. Nearly a week before Hurricane Katrina reached New Orleans, Wal-Mart began moving trucks and supplies into position, as specified in the company's ________ plan. A. contingency B. operational C. tactical D. strategic 12. The ...
Saturday, June 29, 2013 at 10:42am

PHYSICS
QUIZ 1 AND 2, PROBLEM 3 A block of mass M is pulled with a rope that exerts a force of a magnitude F, causing it to slide over horizontal ground with kinetic coefficient of friction μ (use "mu" when you input your answer). The force is applied at angle θ (...
Saturday, June 29, 2013 at 3:48am

Excel
I have my employee schedule in a excel sheet. It is a weekly schedule that doesn't change week by week, but changes day by day within a week. Every Monday, Tuesday, etc. is the same schedule. In the file are days for Monday, Tuesday, etc.. I don't know if this possible...
Friday, June 28, 2013 at 9:55pm

Government (Check Answers)
1. What is the procedure of voter identification intended to help prevent fraudulent voting and keep the process organized? A) political socialization B) registration C) gerrymandering D) precinct divisions E) franchising 2. What do you call all the persons entitled to vote in...
Thursday, June 27, 2013 at 6:16pm

Algebra 1A
What do you do to graph (and shade) a system that does overlap?
Thursday, June 27, 2013 at 2:47pm

government
1. The Framers of the US Constitution supported political parties. A) True B) False 2. The US is predominantly a multiparty system. A) True B) False 3. The main focus of major parties is to nominate candidates and get them elected. A) True B) False 4. The purpose of the ...
Thursday, June 27, 2013 at 1:43am

Algebra 1
Hi, What point is a solution to the system of inequalities y >4x and y >-2x-3 (1/2,2)?
Wednesday, June 26, 2013 at 2:01pm

college physics
an atwood machine is constructed by mounting a well-lubricated pulley (not necessarily a ring/disc), whose radius is 6.00cm on an axle and passing a rope over the pulley. Each end of the rope is attached to a different mass of 3.0 kg and 2.0kg so they both hang vertically. ...
Tuesday, June 25, 2013 at 9:11pm

goverment
America’s founders envisioned a _________________________ that was closer to the government of ancient Athens than to the political system found in America today
Monday, June 24, 2013 at 9:14pm

FND 154 Fundamentals of Accounting
Harwick Company Exercise 5-2 1. on April 5, purchased merchandise from Botham Company for $23,000, terms 2/10, net/30, FOB shipping point. 2. on April 6, paid freight costs of $900 on merchandise purchased from Botham. 3.on April 7, purchased equipment on account for $26,000. ...
Monday, June 24, 2013 at 8:16pm

physics
A uniform meterstick pivoted at its center has a 80.0g mass suspended at the 28.0cm position.At what position should a 80.0g mass be suspended to put the system in equilibrium?What mass would have to be suspended at the 90.0cm position for the system to be in equilibrium?
Monday, June 24, 2013 at 7:20pm

Physics
An object whose mass is unknown is held by two rigid rods. The whole system is at rest. The angle between the vertical direction and the left rod from point A to B is 60 degrees. The angle between the vertical direction and the right rod from point C to D is 30 degrees. The ...
Monday, June 24, 2013 at 2:53pm

Physics
if the power developed is 290 ft lb/s for 12.8s what is the work done on the system?
Sunday, June 23, 2013 at 11:23pm

physics
A space vehicle is coasting at a constant velocity of 24.9 m/s in the +y direction relative to a space station. The pilot of the vehicle fires a RCS (reaction control system) thruster, which causes it to accelerate at 0.338 m/s2 in the +x direction. After 53.7 s, the pilot ...
Sunday, June 23, 2013 at 3:12pm

physics
A puck is moving on an air hockey table. Relative to an x, y coordinate system at time t = 0 s, the x components of the puck's initial velocity and acceleration are v0x = +3.2 m/s and ax = +1.9 m/s2. The y components of the puck's initial velocity and acceleration are ...
Sunday, June 23, 2013 at 2:50pm

maths
The real numbers x and y satisfy the nonlinear system of equations {2x2−6xy+2y2+43x+43yx2+y2+5x+5y==1​74,30. Find the largest possible value of |xy
Sunday, June 23, 2013 at 9:42am

world geography
1. When Australia became the federated Commonwealth of Australia in 1901, Sydney and Melbourne competed to be the capital city. A compromise was reached and _______ became the federal capital in 1928. A. Canberra B. Brisbane C. Adelaide D. Sydney 2. According to the World ...
Saturday, June 22, 2013 at 5:37pm

hum111
How can an athlete manipulate his or her endocrine system function to enhance athletic performance? What might be some risks of doing so?
Friday, June 21, 2013 at 2:26pm

math
The real numbers x and y satisfy the nonlinear system of equations 2x^2−6xy+2y^2+43x+43y=174 x^2+y^2+5x+5y=30. Find the largest possible value of |xy|.
Friday, June 21, 2013 at 1:49am

Math 116
identify the solution (s) of the system of equations, if any. -3x-4y=2 8y=-6x-4 a. infinitely many solutions b. (-16/9, 5/6) c.(-2/3,0) d. no solution
Friday, June 21, 2013 at 12:29am

Math 116
Identify the solution (s) of the system of equations, if any. 2x+4y=11 y=5-5x a. (2.5,-0.5) b. (2.5,0.5) c. (-0.5,2.5) d. (0.5,2.5)
Friday, June 21, 2013 at 12:26am

Math 116
Identify the solution (s) of the system of equations, if any. x+3y=5 6x-6y=14 a. (3,3/2) b.(3,2/3) c.(3/2,3) d. (2/3,3)
Friday, June 21, 2013 at 12:24am

Math 116
Identify the solution(s) of the system of equations, if any. -6x-2y=12 4y=-12x-24 a. no solution b. (0,-2) c.(-2,0) d.infinitely many solutions
Friday, June 21, 2013 at 12:21am

Math 116
Consider the following system of equations. y=2x-2 y-2x=9 What can you conclude about the system of equations? a. The system of equations is inconsistent. b. The system of equations is dependent. c. The system of equations is independent. d. none of these.
Friday, June 21, 2013 at 12:19am

Accounting Math
A standard costing system is the traditionally used costing system. It has two main purposes: cost control and product costing. Standard costs are determined by accountants working together with other employees of the organization. Which employees outside of accounting do you ...
Thursday, June 20, 2013 at 10:41am

math
The real numbers x and y satisfy the nonlinear system of equations 2x^2−6xy+2y^2+43x+43y=174 & x^2+y^2+5x+5y=30. Find the largest possible value of |xy|.
Thursday, June 20, 2013 at 6:48am

Boolean expression Help asap PLEASE
A control system is needed to alert an attendant for the following situation. Which of the following is the Boolean equation expressing the electronics you would need? Either the tank is filled and the pump is on, or the tank is empty. (Use A = tank filled, B = pump on, X = ...
Wednesday, June 19, 2013 at 10:44pm

Physics (Intro)
Initially, a spring-mass system completes 20.0 vibrations in 5.0 seconds, with a 2.0 cm amplitude. The same mass is pulled 5.0 cm away from the equilibrium position, then released. What will the frequency be?
Wednesday, June 19, 2013 at 8:26pm

microprocessors
The value 000001112 is sent to Port B of an Eblock system where an LED module is connected. Which LEDs are on?
Wednesday, June 19, 2013 at 5:22pm

Non linear equation
The real numbers x and y satisfy the nonlinear system of equations 2x^2−6xy+2y^2+43x+43y=174, x^2+y^2+5x+5y=30. Find the largest possible value of |xy|.
Wednesday, June 19, 2013 at 1:45am

math
solve the system of equations y = x + 4 y = x^2 + 9x +16
Tuesday, June 18, 2013 at 7:55pm

Ashford
16. <21{5[1(03)59]}> Barney: Last winter, I slipped on the outside stairs of PineTree Café and broke my leg. My fall was caused by ice on the stairs that the restaurant failed to remove. Since the restaurant clearly did not provide a safe atmosphere for its ...
Tuesday, June 18, 2013 at 12:57pm

Physics
A thin massless horizontal pipe rotates about a vertical axis with angular speed ω as shown in the figure. A small bug, located at a distance r from the axis, starts crawling inside the pipe at constant speed v (relative to the pipe). Because of the bug, the motor must ...
Tuesday, June 18, 2013 at 11:07am

Physics
A pulley system lifts a 500-lb block 1.0 foot with an effort of only 50 lb. If the 50 lb moves 30 feet, calculate the efficiency of the pulley system.
Tuesday, June 18, 2013 at 9:32am

Physics
A uniform meterstick pivoted at its center has a 80.0 mass suspended at the 27.0 position. At what position should a 85.0 mass be suspended to put the system in equilibrium? What mass would have to be suspended at the 90.0 position for the system to be in equilibrium?
Tuesday, June 18, 2013 at 9:27am

math
The real numbers x and y satisfy the nonlinear system of equations {2x^2 − 6xy + 2y^2+ 43x + 43y = 174 x^2 + y^2 + 5x + 5y = 30. Find the largest possible value of |xy|.
Monday, June 17, 2013 at 3:02pm

physics
A thin, massless, horizontal pipe rotates about a vertical axis with angular speed ω as shown in the figure. A small bug, located at a distance r from the axis, starts crawling inside the pipe at constant speed v (relative to the pipe). Because of the bug, the motor must ...
Monday, June 17, 2013 at 11:41am

physics
from the first law of thympdynsmics, show that in the isothermal expansion of comprrssion of an ideal gas, the heat energy entering the system is equal to the work done by the gas and that these are RTln(V2- V1)
Monday, June 17, 2013 at 8:30am

yutfv
A thin massless horizontal pipe rotates about a vertical axis with angular speed ω as shown in the figure. A small bug, located at a distance r from the axis, starts crawling inside the pipe at constant speed v (relative to the pipe). Because of the bug, the motor must ...
Monday, June 17, 2013 at 7:21am

math
how do you convert miles to feet in the u.s.customary system? a.multiply by 12 b.divide by 12 c.multiply by 5,280 d.divide by 5,280
Saturday, June 15, 2013 at 8:55pm

Boolean Algebra
In the country of Genovia, the president wants to ensure that the Monetary Committee can activate a device that opens the country’s safe. The safe system is to be activated by a device that obeys the following rules: Each member of the Monetary Committee has a button to ...
Friday, June 14, 2013 at 6:24pm

Boolean Algebra
In the country of Genovia, the president wants to ensure that the Monetary Committee can activate a device that opens the country’s safe. The safe system is to be activated by a device that obeys the following rules: Each member of the Monetary Committee has a button to ...
Friday, June 14, 2013 at 12:27pm

science
The most convenient way to express vectors in the two dimensional plane is in the familiar (x,y) Cartesian coordinates. However, one can express vectors in other coordinate systems as well. For example, another useful coordinate system for the plane is polar coordinates (r,&#...
Friday, June 14, 2013 at 6:45am

physics
The most convenient way to express vectors in the two dimensional plane is in the familiar (x,y) Cartesian coordinates. However, one can express vectors in other coordinate systems as well. For example, another useful coordinate system for the plane is polar coordinates (r,&#...
Friday, June 14, 2013 at 3:37am

physics
A block of mass 0.8 kg is dragged along a level surface at constant velocity by a hanging block of mass 0.2 kg as shown in fig. 2.29. Find tension in the string and acceleration of the system, if the coefficient of friction between the block and the surface is 0.045 with ...
Friday, June 14, 2013 at 2:35am

Math 10
solve this linear system 2/3m + 3/4n = 16 -1/2m + 3/8n = 18
Friday, June 14, 2013 at 2:18am

physics
The most convenient way to express vectors in the two dimensional plane is in the familiar (x,y) Cartesian coordinates. However, one can express vectors in other coordinate systems as well. For example, another useful coordinate system for the plane is polar coordinates (r,&#...
Friday, June 14, 2013 at 2:01am

reading
43. Student Council Election Day: Monday To: Nominees From: Your Principal Concerning: Rules of Election 1. Everyone running for office must prepare a 3-minute speech that will be recorded for presentation to the entire school. You need to "Dress for Success" as you ...
Thursday, June 13, 2013 at 7:56pm

College Physics
A 57.0 cheerleader uses an oil-filled hydraulic lift to hold four 110 football players at a height of 1.40 . If her piston is 19.0 in diameter, what is the diameter of the football players' piston? The density of the oil in the hydraulic system is 900 kg/m^3.
Thursday, June 13, 2013 at 7:27pm

Boolean Algebra
In the country of Genovia, the president wants to ensure that the Monetary Committee can activate a device that opens the country’s safe. The safe system is to be activated by a device that obeys the following rules: Each member of the Monetary Committee has a button to ...
Thursday, June 13, 2013 at 7:18pm

science
The most convenient way to express vectors in the two dimensional plane is in the familiar (x,y) Cartesian coordinates. However, one can express vectors in other coordinate systems as well. For example, another useful coordinate system for the plane is polar coordinates (r,&#...
Thursday, June 13, 2013 at 12:32pm

physics
The most convenient way to express vectors in the two dimensional plane is in the familiar (x,y) Cartesian coordinates. However, one can express vectors in other coordinate systems as well. For example, another useful coordinate system for the plane is polar coordinates (r,&#...
Thursday, June 13, 2013 at 5:36am

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