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July 23, 2016

Homework Help: Computers: Operating Systems

Recent Homework Questions About Operating Systems

Health
Which organ is a part of the digestive system? A. Heart B. Kidneys C. Lungs D. Anus Pretty Sure it's B. right?
Wednesday, December 9, 2015 by ANNOYING

computer simulation
A grocery store has three checkout lanes (checkout 1, 2, and 3), each with a single checker. Shoppers arrive at the checkout area with interarrival times having an exponential distribution with mean 2.4 minutes. The shoppers enter the lane that has the fewest number of other ...
Wednesday, December 9, 2015 by emmanuel

Math
While traveling for vacation, you have decided to divide your lodging between a resort and a regular stay hotel. Let x represent the number of nights you will spend in a resort and let y represent the number of nights you will spend in a regular stay hotel. A) Write a system ...
Wednesday, December 9, 2015 by Anonymous

College Physics
How much energy is required to bring 10.0 grams of ice at -5.00 degrees to 105-degree steam? Assume the system is isolated so that no mass is lost to the surroundings
Tuesday, December 8, 2015 by Jeff

Science
Structure, Function, Information Processing Test: Unit2 1. Enzymes are important because they: contain water speed up chemical reactions***** contain genetic material help the cell maintain its shape. 2. Which term refers to the diffusion of water through a membrane? osmosis...
Monday, December 7, 2015 by QuestionInator

Math
While traveling for vacation, you have decided to divide your lodging between a resort and a regular stay hotel. Let x represent the number of nights you will spend in a resort and let y represent the number of nights you will spend in a regular stay hotel. A) Write a system ...
Monday, December 7, 2015 by Anonymous

Science
1.)Why is Earth’s temperature just right for life? (1 point) A.)Earth’s core is hot enough to heat Earth’s surface. B.)Earth’s magnetic field creates suitable temperatures on Earth’s surface. C.)Earth’s crust is warmed by heat from the sun. D.)...
Monday, December 7, 2015 by YRN DJ

Government
Why is due process a cornerstone of the judicial system?
Sunday, December 6, 2015 by Anonymous

Algebra 2
Find the coordinates of the vertices of the figure formed by each system of inequalities. y>=-3 x<=6 y>=x-2 y<=x+5/2
Sunday, December 6, 2015 by Phoenix

AP Macroeconomics
I got this question wrong: Which of the following best describes the relationship between bank reserves, the federal funds rate, and a decrease in interest rates for consumers and business? The answer is: If the FOMC uses monetary policy to increase the amount of reserves in ...
Sunday, December 6, 2015 by ashley

Government
Why are plea bargains a key part of the criminal justice system?
Saturday, December 5, 2015 by Anonymous

Physics
A 35-g block of ice at -14°C is dropped into a calorimeter (of negligible heat capacity) containing 400 g of water at 0°C. When the system reaches equilibrium, how much ice is left in the calorimeter? The specific heat of ice is 2090 J(kg K) and the latent heat of ...
Saturday, December 5, 2015 by Justin

Biology
There is a loud crash in the room behind you and you jump. which part of your nervous system caused that response/ A. somatic nervous system? C. central nervous system D. sympathetic branch E. parasympathetic branch My teacher told me b was wrong so thats why it's missing ...
Saturday, December 5, 2015 by Sherianna

Physics, Statistics
Consider a series of 8 flips of a fair coin. (a) Calculate the probabilities for obtaining 0-8 heads. We will consider each of these nine outcomes to be macrostates of the system. (b) Calculate the entropy for each of these macrostates. I was able to figure out part A, but I&#...
Friday, December 4, 2015 by Heidi

Government
Imagine you are on a committee studying whether or not to make changes to the Electoral College system. What would you recommend? In a well-written paragraph, explain your position with at least three reasons.
Friday, December 4, 2015 by Amethyst

History
3.)What Inference can you make about why George Washington never made himself a king? A.)He believed in a government ruled by the people , & even though he had the respect of many people, he didn't want to be treated like royalty. B.)He knew there were no winning generals ...
Friday, December 4, 2015 by YRN DJ

Biochem
Calculate the pH of the buffer system of 0.20M K2HPO4/0.25M KH2PO4
Thursday, December 3, 2015 by Yeah

Chemistry
A mixture of H2 and water vapor is present in a closed vessel at 20°C. The total pressure of the system is 755.0 mmHg. Partial pressure of water vapor at 20°C equals 17.5 mmHg. What is the partial pressure of H2?
Thursday, December 3, 2015 by Katlen

Health
What indicators would warn you that the team is planning this transition to an electronic health information management system is not functioning well? Where can I find this information or what sub- title would be appropriate for this question.
Thursday, December 3, 2015 by Traci

Comm Tech
3.)What Inference can you make about why George Washington never made himself a king? A.)He believed in a government ruled by the people , & even though he had the respect of many people, he didn't want to be treated like royalty. B.)He knew there were no winning generals ...
Thursday, December 3, 2015 by YRN DJ

PHYSICS
two masses m1 = 12 kg and m2 = 13 kg are connected by a light inextensible string passing over a frictionless pulley. Find (a) acceleration of the system when released from rest (b) tension in the string ?
Thursday, December 3, 2015 by Camz

Math
Determine which system below will produce infinitely many solutions. A.-6x+3y=18 4x-3y=6 B.2x+4y=24 6x+12y=36 C.3x-y=14 -9x+3y=-42 D.5x+2y=13 -x+4y=-6 Solve the system of equations. x + 3y = −1 2x + 2y = 6 A.(-4,1) B.(2,-1) C.(4,-1) D.(5,-2) I think the answers are B for...
Wednesday, December 2, 2015 by Juliet

chemistry
​An empty glass container has a mass of 418.634 grams. It has a mass of 419.514 grams after it has been filled with nitrogen gas at a pressure of 790 mmHg and a temperature of 15oC. When the container is evacuated and refilled with a certain element X at a pressure of ...
Wednesday, December 2, 2015 by Noora

Math
1. Find the next number in the pattern. -1, 3, 7, 11 a. 16 b.77 c.15 <------- d.13 2. Name the property of real numbers illustrated by the question. -2(x+4)=-2x-8 a.Associative prop of multiplication b. commutative prop of addition c. distributive prop <--------- d. ...
Wednesday, December 2, 2015 by Zoe Mckenzie

Math
At time t = 0, a set of three points A, B and C forms an equilateral triangle of side 6 cm. If two of the sides of the triangle are decreasing in length at the rate of 0.1 cm/sec and the third side is increasing at the rate of 0.1 cm/sec, how long will it take for the system ...
Wednesday, December 2, 2015 by ABhi

7th Math
I previously posted this today at 5:33 am and I am reposting this because I don't want this to be buried with other unanswered questions and I realized this was the wrong subject. How do I answer this question/problem? I can't input the following scientific notations ...
Wednesday, December 2, 2015 by anon

Algebra
How do I answer this question/problem? I can't input the following scientific notations in a calculator and would like to know how to solve it. Thank you tutors. The four other recognized dwarf planets in the solar system and their estimated masses in kilograms (kg) are: ...
Wednesday, December 2, 2015 by anon

Government
I think it is ( a ) or ( c ) but not sure What makes precedent important in our justice system? a) It is the current interpretation of the law. b) The US justice system does not use precedent. c) It provides a historical background but is not relevant in current cases. d) It ...
Tuesday, December 1, 2015 by Adam

Physical Chemistry
If the n = 3 to n = 4 transition for a certain particle-in-a-box system occurs at 4.00 x 10^13 s -1 , find the frequency of the n =6 to n =9 transition in this system.
Tuesday, December 1, 2015 by Lorin

Government
I think it is ( a ) or ( c ) but not sure What makes precedent important in our justice system? a) It is the current interpretation of the law. b) The US justice system does not use precedent. c) It provides a historical background but is not relevant in current cases. d) It ...
Tuesday, December 1, 2015 by Adam

Math
A sprinkler system is designed to water 5/9 acre of land in 1/3 hour. How many acres of land can it water in 1 hour?
Tuesday, December 1, 2015 by Jess

Chemistry
The population ratio between two energy levels separated by 1.4 ✕ 10−22 J is 0.69. What is the temperature of the system?
Tuesday, December 1, 2015 by Anonymous

Chemistry
The population ratio between two energy levels separated by 1.4 ✕ 10−22 J is 0.69. What is the temperature of the system?
Tuesday, December 1, 2015 by Anonymous

Algebra 1 check answers
If you were solving a system of equations and you came to a statement like 1 = 3, what do you know about the solution to the system? The solution is (1, 3). The solution is x = 1 and y = 3. There is no solution. There are infinitely many solutions. I think the answer is D or ...
Tuesday, December 1, 2015 by Anon

Chemistry
50 Ltr. Of a certain liquid is confined in a piston system at the extenal pressure 100 atm this pressure suddenly released and liquid is expanded against a contant atm pressure , vol. Of liquid increases by 1 Ltr and the final pressure of the liquid is 10 atm. Find the work done.
Tuesday, December 1, 2015 by Sam

sceince
The human stomach is an organ that helps us digest food. The stomach is one of many organs involved in the process of digestion. Others include the esophagus, small intestine, pancreas, and gall bladder. What name is given to a set of organs that work together to perform a ...
Monday, November 30, 2015 by jirehn bush

Physics
1. The problem statement, all variables and given/known data A 2.0-m measuring stick of mass 0.175 kg is resting on a table. A mass of 0.500 kg is attached to the stick at a distance of 74.0 cm from the center. Both the stick and the table surface are frictionless. The stick ...
Monday, November 30, 2015 by Tyler

Physics Check my work please
A mass is attached to a spring is 0.2 kg. The spring's constant is 40 N/m. The mass is stretched to a position of 0.3 m and released. The final position is 0.1 m. #1) Find the change in potential energy of the system. #2) What is the work done by the spring? #1) Change in ...
Monday, November 30, 2015 by Jose Luis

computer science
In a particular phase modulation system, each symbol is able to represent 6 bits. What sort of PSK is being used plain PSK QPSK 8PSK 16PSK 64PSK 256PSK
Monday, November 30, 2015 by saima

Physics Check My Work Please
A mass is attached to a spring is 0.2 kg. The spring's constant is 40 N/m. The mass is stretched to a position of 0.3 m and released. The final position is 0.1 m. #1) Find the change in potential energy of the system. #2) What is the work done by the spring? #1) Change in ...
Monday, November 30, 2015 by Jose Luis

History
1.)Which is the main way the Bill of Rights protected against the tyranny that the Anti-Federalists feared? A.)It established and protected the same rights for all citizens, including women and slaves. B.)It gave all of the states the same amount of power and authority as the ...
Monday, November 30, 2015 by YRN DJ

History
12.)Why was it important for states like New Jersey to have a system that allowed for each state to have equal representation in the national government? A.)Because New Jersey did not want to compromise with slave states B.)Because New Jersey favored the federal government ...
Monday, November 30, 2015 by YRN DJ

math
Solve the following system by matrix reduction. Write your answer using parameter(s) if necessary. If there is no solution, state "no solution". x-2y-3z=-2 4x-3y+3z=-8
Monday, November 30, 2015 by James

math
Solve the following system by matrix reduction. Write your answer using parameter(s) if necessary. If there is no solution, state "no solution". x-2y-3z=-2 4x-3y+3z=-8
Monday, November 30, 2015 by James

social studies
1) Diversity most closely means (1 point) a. sharing cultural traits and practices with others. ** b. making up a whole of many different parts. c. being a member of a small ethnic group. d. having many similar regions next to one another. 2) How does life in Istanbul differ ...
Monday, November 30, 2015 by Jake

Chemistry Dr BOB
A voltaic cell has one half-cell with a Cu bar in a 1.00 M Cu2+ salt and the other half-cell with a Cd bar in the same volume of a 1.00 M Cd2+ salt. Report your answers to the correct number of significant figures. a)Find E degree cell, delta G degree , and K. b)As the cell ...
Sunday, November 29, 2015 by Patrick

Intermediate Algebra
Which of the following ordered pairs is a solution to the system: 6x - 2y = 2 9x - 3y = 1
Sunday, November 29, 2015 by Anonymous

Chemistry
The population ratio between two energy levels separated by 1.4 ✕ 10−22 J is 0.69. What is the temperature of the system?
Sunday, November 29, 2015 by Anonymous

Chemistry
The population ratio between two energy levels separated by 1.4 ✕ 10−22 J is 0.69. What is the temperature of the system?
Saturday, November 28, 2015 by Anonymous

Social Studies (Check, Please!)
1. What events in Roosevelt's life shaped his ideas and characters? A: Roosevelt's marrying his wife (Eleanor Roosevelt), winning a seat in the New York State Senate, becoming assistant secretary of the navy, suffering from polio, and being elected as the governor of ...
Saturday, November 28, 2015 by Victoria

Chemistry
The population ratio between two energy levels separated by 1.4 ✕ 10−22 J is 0.69. What is the temperature of the system?
Friday, November 27, 2015 by Anonymous

microeconomics
A beekeeper and a farmer with an apple orchard are neighbors. This is convenient for the orchard owner since the bees pollinate the apple trees: one beehive pollinates one acre of orchard. Unfortunately, there are not enough bees next door to pollinate the whole orchard and ...
Friday, November 27, 2015 by Alex

Thermodynamics
A closed cycle gas turbine unit operating with max. And min. Temp. Of 760 and 20 Celsius deg has a pressure ratio of 7/1. Calculate the thermal efficiency and work ratio? Ans = 42.7 % , 0.505 My answers are : Efficiency 42.7 % which is correct.. but work ratio = 1.977. T1 and ...
Thursday, November 26, 2015 by Akki

Chemistry
A chemist needs to prepare a buffer using the carbonate system (information in the table in the previous quetion) with a final pH of 10. Which components should they mix in water to product this buffer? Question options: H2CO3 HCO3- CO32-
Thursday, November 26, 2015 by J

Chemistry
A chemist needs to prepare a buffer using the carbonate system (information in the table below) with a final pH of 6. Which components should they mix in water to product this buffer? H2CO3 HCO3- CO32- pKa 6.35 10.33 N/A
Thursday, November 26, 2015 by J

differential equations
Convert x''+ sin(x) = 0 into a first order system of equations. (x'' refers to the second derivative of x). I tried: y1 = sin(x) y2 = x' {y1' = cosx {y2' = -sinx Not sure if I did it right.
Wednesday, November 25, 2015 by Sarah

Physics
In a container of negligible mass, 0.100 kg of steam at 110°C and atmospheric pressure is added to 1.00 kg of water at 20.0°C. (a) If no heat is lost to the surroundings, what is the final temperature of the system? (b) At the final temperature, how many kg of steam ...
Wednesday, November 25, 2015 by Margret

HEALTH PLEASE HELP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
1. The functions of the respiratory system are (select all that apply) A. to pump blood to your body B. to deliver oxygen to the body C. to remove carbon dioxide from the body D. to absorb nutrients 2. The dome-shaped muscle that lies below the lungs and is important in the ...
Wednesday, November 25, 2015 by goldensparklegirl222

physics
Shows three boxes connected by cords, one of which wraps over a pulley having negligible friction on its axle and negligible mass. The mass of the boxes are mA = 5 kg, mB = 2 kg, and mC = 3kg. When the system is released from rest, Calculate (a) the acceleration of the system ...
Wednesday, November 25, 2015 by Jay

Computer Science
(From Lesson 17 of Blue Pelican Java) Use the following code for problems 1 – 15. In each problem state what’s printed. String s = “Lucky hockey puck”; String m = “uck”; int j = 6, z = 99; 1. int k = s.indexOf(m); System.out.println(k); 2. int k...
Tuesday, November 24, 2015 by Erinn

physics
Note: The direction of the acceleration ~a of the system is given in the figure. Three masses (17 kg, 21 kg and 67 kg) are connected by strings. The 67 kg mass slides on a horizontal surface of a table top and the 17 kg and 21 kg masses hang over the edge of the surface. The ...
Tuesday, November 24, 2015 by I dont like physics

English 1
Can someone please check these. I answered what I thought was right; therefore, I did not know three of them which are 16, 17, and 19. 6. Compare and contrast the poem “Mexicans Begin Jogging” and the story “Delfino II: Diez in the Desert.” a. Both are ...
Tuesday, November 24, 2015 by Blair

physics
Two blocks of masses m1=5 and m2=6 kg are on either side of the wedge shown below. Assume the surface and the pulley are frictionless. Find A)the direction this system will accelerate B) the acceleration of m1 and m2 C) the tension in the rope did I do this right? how do I ...
Tuesday, November 24, 2015 by Spice

physics
Two blocks of masses m1=5 and m2=6 kg are on either side of the wedge shown below. Assume the surface and the pulley are frictionless. Find A)the direction this system will accelerate B) the acceleration of m1 and m2 C) the tension in the rope did I do this right? how do I ...
Tuesday, November 24, 2015 by Spice

Physics
In a machine a cylinder with a mass of 80.0 g is pushed down into a hole with a spring at the bottom as shown in Figure 1. When the spring is uncompressed the cylinder rests on top of it with its end just at the entrance to the hole. The cylinder is pushed by a rod which is ...
Monday, November 23, 2015 by Anonymous

Physics
A low friction cart (similar to what you use in the lab) collides with a second low friction cart. Cart A has a mass of 0.500 kg and cart B has a mass of 0.750 kg. Glider A was moving at 40.0 cm/s before the collision. Glider B was at rest. (a) The carts have velcro on them so...
Monday, November 23, 2015 by Anonymous

physics
5kg particle is atteched at a rim of arotating wheel of radius 2m. the wheel completes each revolution in 3 seconds. The total moment of inertia of the system(I partics+I wheel) is 2kg.m^2 A.determine the rotational kinetic energy of the system? B.the work needed to stop the ...
Monday, November 23, 2015 by degefech

Physics
In a machine a cylinder with a mass of 80.0 g is pushed down into a hole with a spring at the bottom as shown in Figure 1. When the spring is uncompressed the cylinder rests on top of it with its end just at the entrance to the hole. The cylinder is pushed by a rod which is ...
Monday, November 23, 2015 by Hermans

Physics
3. A low friction cart (similar to what you use in the lab) collides with a second low friction cart. Cart A has a mass of 0.500 kg and cart B has a mass of 0.750 kg. Glider A was moving at 40.0 cm/s before the collision. Glider B was at rest. (a) The carts have velcro on them...
Monday, November 23, 2015 by Daniel

Physics
The typical lifetime of a star like our Sun is 10 billion years. While a star like our Sun is able to generate energy in its core (through fusion) the thermal pressure balances the gravitational pressure from the Sun’s mass. However, once the star rules our of hydrogen, ...
Monday, November 23, 2015 by Vivek

Math
Solve the following system of equations by graphing. If the system is inconsistent or the equations are dependent, say so 5x-2y=3 10x-4y=6 I know the equations are dependent but I am confused on what is the solution set I'm thinking its (10x-4y=6) but I'm really not ...
Sunday, November 22, 2015 by Lataya

English
Combine these two simple sentences into a complex sentence. Many industrialized nations use the metric system. The United States refuses to adopt it. A. Although many industrialized nations use the metric system, the United States refuses to adopt it. B. Many industrialized ...
Sunday, November 22, 2015 by Jim

Physics
Two objects of different masses are joined by a light rod. a) Id the moment of inertia about the center of mas the minimum or maximum and why? b) If the two masses are 3kg and 5kg and the length of the rod is 2m, what are the moments of inertia of the system about an axis ...
Sunday, November 22, 2015 by Anna

Government
Why does the U.S. have a dual judicial system
Saturday, November 21, 2015 by Anonymous

mathematics
solve the following system of inequalities graphically 3x+2y<150, x+4y<80, x<80,x>0,y>0
Saturday, November 21, 2015 by vinod kaushik

US Legal system and branches of government
consider the defination of private law and public law. Discuss the difference between these two sources of law. support with example.
Friday, November 20, 2015 by Elizabeth

US Legal system and branches of government
write 200 word on the three executive offices which affect the health information profession.
Friday, November 20, 2015 by Elizabeth

U.S Hisotry. Please check my answers.
Why is the United States often referred to as the melting pot? -Various cultures from many countries have "melted" together to create what America is and how American culture is defined today** -Most American citizens' native customs and traditions will "...
Friday, November 20, 2015 by Dani

Algebra 2 (Math)
Solve by the system of equations by substitution. x + 2y + z = 14 y = z + 1 x = -3z + 6 Anyone able to help me with this? I've been stuck on it all day and can't seem to solve it, it doesn't make any sense to me.
Thursday, November 19, 2015 by Lucas

Algebra 2
Name the vertices and then find the values of x and y that minimize the objective function. x >= 2 y >= 0 3x + 2y >= 12 Minimum for C = x + 5y Help with system of constraints please! I'm terrible at this...
Thursday, November 19, 2015 by Reese

Social Studies (Check, Please!)
1. What events in Roosevelt's life shaped his ideas and characters? A: Roosevelt winning a seat in the New York State Senate, becoming assistant secretary of the navy, suffering from polio, and being elected as the governor of New York were the life events that shaped his ...
Thursday, November 19, 2015 by Victoria

IT
A list of tasks to be completed by a company for a special project is C Detailed Invoice Statement of Work Statement of Workload System Workload
Thursday, November 19, 2015 by Please Help

Physics
A container is initially partitioned by a wall into two compartments. The left compartment has volume V1 and the right compartment has volume V2. Both compartments are filled with identical ideal gases at the same temperature T and with an equal number of particles N but at ...
Thursday, November 19, 2015 by Paul

Physics
The efficiency of a pulley system is 47 percent. The pulleys are used to raise a mass of 47 kg to a height of 7.0 m. The acceleration of gravity is 9.81 m/s 2 . What force is exerted on the rope of the pulley system if the rope is pulled for 28 m in order to raise the mass to ...
Wednesday, November 18, 2015 by Madi

physics
a 50kg box on a ramp needs to be lifted 3m using a force of 100N. What tpe of pulley system could do the work? What type of lever system?
Tuesday, November 17, 2015 by A

PHYSICS
In an old house, the heating system uses radiators, which are hollow metal devices through which hot water or steam circulates. In one room the radiator has a dark color (emissitivity = 0.810). It has a temperature of 65.0 oC. The new owner of the house paints the radiator a ...
Tuesday, November 17, 2015 by Anonymous

PHYSICS
In an old house, the heating system uses radiators, which are hollow metal devices through which hot water or steam circulates. In one room the radiator has a dark color (emissitivity = 0.810). It has a temperature of 65.0 oC. The new owner of the house paints the radiator a ...
Tuesday, November 17, 2015 by Anonymous

Science
1) Explain why Earth and other planets were not solid when they formed during the beginning of the Precambrian, approximately 4,600 million years ago (MYA). What was this particular time period called, and why is this time period not really considered a part of Earth’s ...
Tuesday, November 17, 2015 by Anonymous

SCIENCE check answers please :)
1) Explain why Earth and other planets were not solid when they formed during the beginning of the Precambrian, approximately 4,600 million years ago (MYA). What was this particular time period called, and why is this time period not really considered a part of Earth’s ...
Tuesday, November 17, 2015 by Cami

Physics
A block is on the end of a massless cable that is tied to a frictionless wheel (uniform disk) as shown in the figure at right. The wheel has a radius of 0.4 m. The system is initially at rest. If the block moves downward, with a constant acceleration, a distance of 2 m in 3 s...
Tuesday, November 17, 2015 by Jack

Chemistry
A 10.0 mL sample of supernatant liquid from the system described by equation 1 was titrated with 0.01022 M EDTA solution to an end-point at 16.90 mL. Titration of the blank gave a titre (end-point) at 1.45 mL. Determine the titration volume required to titrate the Ca2+ alone.
Tuesday, November 17, 2015 by Mara

Science
How do the circulatory system and the endocrine system interact in helping to maintain homeostasis in humans? A. The endocrine system produces hormones that are transported by the circulatory system to target cells when changes are needed. B. The circulatory system provides a ...
Tuesday, November 17, 2015 by Anonymous

Health
The three lines of defense your body has against disease include all except? A. physical and chemical defenses B. inflammation C. immune system D. scarring True or false B cells and H cells are two important cells in the immune system that help fight infection. Antibodies are ...
Tuesday, November 17, 2015 by Annabelle

Physics
A mass-on-a-spring system has m = 54 kg and k = 225 N/m. The mass is pulled a distance 0.25 m from its equilibrium position and then released. (a) What is the maximum acceleration of the mass? My work: F=ma -kx=ma (225)(.25)=(54kg)(a) solve for a. a=1.04 m/s^2. this is correct...
Monday, November 16, 2015 by Wrenn

History
Which of the following is not a way that constitutions grant governments power? A)They explain the purpose of the government. B)They set up the structure of the government. C)They identify from which states federal government leaders will come. D)They name the powers given to...
Monday, November 16, 2015 by Mike

PHYSICS
A dentist's chair with a patient in it weighs 2180 N. The output plunger of a hydraulic system begins to lift the chair, when the dentist's foot applies a force of 73.6 N to the input piston. Neglect any height difference between the plunger and the piston. What is the...
Monday, November 16, 2015 by Anonymous

algebra
The owner of a video store has determined that the cost C, in dollars, of operating the store is approximately given by where x is the number of videos rented daily. Find the lowest cost to the nearest dollar.
Monday, November 16, 2015 by Sara

Physics
Suppose you measure a standing person's blood pressure by placing the cuff on his leg 0.580 m below the heart. Calculate the pressures you would observe if the pressures at the heart are 121 over 80 mm Hg. Assume there is no loss of pressure due to resistance in the ...
Monday, November 16, 2015 by Kenzie

Science Please Help!!!
1) Which of the following is not a function of the human nervous system? A. regulating heartbeat B. listening to music C. moving oxygen from air into the blood D. signaling the diaphragm to contract 2) An external event stimulates a sensory nerve, which transmits a signal to ...
Monday, November 16, 2015 by Sammy

Genatics
when designing a protocol to produce auxotrophs for biochemical pathways, how long should you irradiate yeast in this system to maximize the number of auxotrophic mutants? Explain your reasoning.
Sunday, November 15, 2015 by Hiba

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Homework Help: Computers