Wednesday
October 1, 2014

Homework Help: Computers: Operating Systems

Recent Homework Questions About Operating Systems

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Math
Solve each system using the method of your choice. 1. 7x+2y=17 2. 6x-5y=-9 3. y=4x-8 4. y=2x+10 5. 3x-6y=30 6. y=-6x+34 7. 3x+y=5 8. 15x+5y=2 9. 2m=-4n-4 10. 3m+5n=-3 11. 5x+y=0 12. 5x+2y=30 Thank you. (:
Tuesday, February 11, 2014 at 3:34pm

social stud. quiz --- check my answers!!!
hi, can someone check my answers asap!!??? 1. Who was NOT a favorite son candidate in the 1824 election? (1 point) Henry Clay Andrew Jackson William H. Crawford*** John Quincy Adams 2. Who won the 1824 presidential election? (1 point) Andrew Jackson*** John Quincy Adams ...
Tuesday, February 11, 2014 at 11:40am

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 = +5.3 m/s and ax = +2.6 m/s2. The y components of the puck's initial velocity and acceleration are ...
Monday, February 10, 2014 at 5:34pm

BUSINESS
1. One of the main disadvantages of buying a franchise is that you may end up A. choosing a poor location. B. hiring a large staff. C. paying too much for operating costs. D. feeling like an employee. D? 2. After you open your new business is not the best time to A. use your ...
Monday, February 10, 2014 at 2:57pm

ss --- 1 question pls help!!! Anonymous?
hi, i just posted a few questions but i really need help with this one! 4. How did Jackson's presidency influence the size of the American electorate? (1 point) The American electorate decreased during Jackson's presidency due to the threat of secession by slave states...
Monday, February 10, 2014 at 1:54pm

soc. stud. --- check my work pls!!!
hi, can someone check my work asap!?? 1. During the election of 1824, which candidate won the popular vote and which candidate won the presidency? (1 point) Andrew Jackson; John Quincy Adams*** Andrew Jackson; Andrew Jackson John Quincy Adams; John Quincy Adams John Quincy ...
Monday, February 10, 2014 at 1:26pm

Business
1. One of the main disadvantages of buying a franchise is that you may end up A. choosing a poor location. B. hiring a large staff. C. paying too much for operating costs. D. feeling like an employee. D? 2. After you open your new business is not the best time to A. use your ...
Monday, February 10, 2014 at 9:56am

MATH HELP!!!!!!!!
| 3 2 7 | x1 | | 46 | | -2 1 4 | x2 | = | 12 | | 6 -5 8 | x3 | | 60 | (b). Solve the system using the inverse of the coefficient matrix. (x1, x2, x3) = (________)
Sunday, February 9, 2014 at 9:22pm

Physics
A golf ball is released from rest from the top of a very tall building. Choose a coordinate system whose origin is at the starting point of the ball, and whose y axis points vertically upward. The acceleration of gravity is 9.8 m/s^2. a.Neglecting air resistance, calculate the...
Sunday, February 9, 2014 at 4:38pm

Physics
a vector with a magnitude of 17.6 m is directed at angle θ = 43o counterclockwise from the +x axis. What are the components (a) ax and (b) ay of the vector? A second coordinate system is inclined by angle θ' = 20o with respect to the first. What are the ...
Sunday, February 9, 2014 at 6:17am

Visual Basic...Please help!
Design and develop a simple system that computes the Depreciation cost of the item (D). Takes as input the purchase Price of an item (P), its expected number of years of Service (S), and Yearly depreciation for the item (Y). Use the formula D= P-(S/Y).
Sunday, February 9, 2014 at 5:21am

Physics
A vector with a magnitude of 17.6 m is directed at angle θ = 43o counterclockwise from the +x axis. What are the components (a) ax and (b) ay of the vector? A second coordinate system is inclined by angle θ' = 20o with respect to the first. What are the ...
Sunday, February 9, 2014 at 12:13am

MATH
A letter carrier can deliver mail to 112 homes per hour by walking and 168 homes per hour by driving. Question1: By what percent is productivity increased by driving? Question2: If a new ZIP Code system improves driving productivity by 12.5%, what is the new number of homes ...
Saturday, February 8, 2014 at 2:02pm

Payback periods
purchase price 550,000, period of useful 10 years, annual revenue 100,000,operating costs 32,000, depreciation 55,000 no income taxes can you show me how to get the answer I have an answer but not sure if it is correct
Saturday, February 8, 2014 at 2:16am

Payback periods
purchase price 550,000, period of useful 10 years, annual revenue 100,000,operating costs 32,000, depreciation 55,000 no income taxes can you show me how to get the answer I have an answer but not sure if it is correct
Saturday, February 8, 2014 at 2:10am

Research Project: Anatomy & Physiology 1
Could someone read this paper and tells me if this is good or do I need to change some stuff: Introduction: ALS is distinguish by insistent collapse of both upper motor neurons (UMN) and lower motor neurons (LMN) leading to progressive muscular paralysis and death usually ...
Friday, February 7, 2014 at 10:29am

Visual Basic 6.0
Design and develop a simple application system that converts the input dollars into its equivalent Yen rate. Where the user enters the value of the dollar in text box 1, the user should click the command button before the resulting value will be displayed at the text box 2.
Friday, February 7, 2014 at 5:18am

History
As a result of the publications of Bartolomé de Las Casas: A. Amerindian rights were recognized and respected. B. the encomienda system was established. C. Amerindians became more maltreated than before. D. the Spanish government was more attentive to the needs of the ...
Thursday, February 6, 2014 at 1:24pm

Chemistry
In a high temperature corrosion cell we have 5 vol% O2 and 500 vppm HCl. We know at high temperature the reaction is Deacon Process (600C) 4HCl(g)+O2(g)=2Cl2(g)+2H2O(g). We have thermodynamic phase diagram of a system (e.g., Fe-O2-Cl2) at 600 (log pO2 - x axis and log pCl2 in ...
Thursday, February 6, 2014 at 4:44am

Physics
You can use any coordinate system you like in order to solve a projectile motion problem. To demonstrate the truth of this statement, consider a ball thrown off the top of a building with a velocity v at an angle θ with respect to the horizontal. Let the building be 49.0 ...
Wednesday, February 5, 2014 at 11:17pm

Physics
You can use any coordinate system you like in order to solve a projectile motion problem. To demonstrate the truth of this statement, consider a ball thrown off the top of a building with a velocity v at an angle θ with respect to the horizontal. Let the building be 49.0 ...
Wednesday, February 5, 2014 at 11:09pm

Accounting
During the fiscal period just ended some of the inventory in the warehouse of Jamie Ltd. wasn’t counted. Jamie Ltd. uses a periodic inventory control system. Explain how the following are affected by the error: • Net income • Current ratio
Wednesday, February 5, 2014 at 10:07pm

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 = +5.2 m/s and ax = +5.9 m/s2. The y components of the puck's initial velocity and acceleration are ...
Wednesday, February 5, 2014 at 5:36pm

Math
How would you solve this system? Y=-x+3 Y=x+4
Wednesday, February 5, 2014 at 8:20am

Science
Which word or phrase below best describes the function of the urinary bladder? a. filter b. storage tank c. blender d. passageway B A patients comes in to see a physician. This patient lacks the ability to keep warm and needs to wear heavy clothing even during mild ...
Tuesday, February 4, 2014 at 4:08pm

physics
In what circumstances can the angular velocity of system of particles change without any change in the system\'s angular momentum? This cannot happen under any circumstances. This can happen if an external net torque is applied properly to the system. This can happen if ...
Tuesday, February 4, 2014 at 3:46pm

Math
System of equations 1). 2/5x + 5/6y=6 Y/3=x/2+9. 2).4x+2=3y+5 2y-1=x+2 These are my last two problems and I can t get it Thanks for the help
Monday, February 3, 2014 at 8:39pm

Physics
Two equal-volume compartments of a box are joined by a thin wall as shown in the figure. The left compartment is filled with 0.050 mole of helium gas at 403 K, and the right compartment contains 0.025 mole of helium gas at 213 K. The right compartment also has a piston to ...
Monday, February 3, 2014 at 6:26pm

HISTORY (please help)
3. By the end of the thirteenth century, the institutionalization of the English Parliament: A. provided the foundation for the absolute rule of the monarch. B. enabled the barons and church lords to establish themselves in the House of Commons. C. was a system of power ...
Monday, February 3, 2014 at 4:42pm

Physics
Damon, this is my last question for today for you. Thanks for all your help. A gas is at an initial pressure of 1.24104 Pa and occupies a volume of 0.28 m3. The (slow) addition of 23,570 cal of heat to the system causes it to expand in an isobaric manner to a volume of 0.47 m3...
Monday, February 3, 2014 at 4:23pm

Physics
I think I chose the correct answer. In a closed system, two carts have a compressed spring between them. One of the carts has a total mass, including its contents, of 2.0 kg, and the other has total mass of 1.0 kg. Which cart experiences the momentum change of greater ...
Monday, February 3, 2014 at 3:46pm

History
3. By the end of the thirteenth century, the institutionalization of the English Parliament: A. provided the foundation for the absolute rule of the monarch. B. enabled the barons and church lords to establish themselves in the House of Commons. C. was a system of power ...
Monday, February 3, 2014 at 3:25pm

physics 1
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 = +3.5 m/s and ax = +5.8 m/s2. The y components of the puck's initial velocity and acceleration are ...
Monday, February 3, 2014 at 2:48pm

Physics
Am I correct? Two carts have a compressed spring between them and are initially at rest. One of the carts has total mass, including its contents, of 5.0 kg, and the other has total mass of 3.0 kg. If the 3.0 kg cart is moving at 3.0 m/s after the spring is allowed to push the ...
Monday, February 3, 2014 at 1:58pm

social studies (CHECK ASNWERS)
please check my answers and if there wrong maybe you could tell me the correct one.but thanks anyways. 1. How did the formation of the National Action Party change Mexican politics? A.It ended the one-party system. B.It consolidated power among a few key leaders. C.It ended ...
Monday, February 3, 2014 at 1:44pm

Physics
Guide me through this plz. A single 1,300 kg cargo train car is rolling along a train track at 2.0 m/s when 400 kg of coal is dropped vertically into it. What is its velocity right afterward? Assume a closed system. (Points : 1) 1.5 m/s 2.0 m/s 6.5 m/s 0.0011 m/s
Monday, February 3, 2014 at 1:42pm

Physics Please check my answers
It's possible for a body to have both rotational and translational motion at the same time. True. << False. 2. The moment of inertia of an object would be different on the surface of the earth than on the surface of the moon. True. << False. 3. The moment of ...
Monday, February 3, 2014 at 1:01pm

physics 1
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 = +3.5 m/s and ax = +5.8 m/s2. The y components of the puck's initial velocity and acceleration are ...
Monday, February 3, 2014 at 12:14pm

physics
Suppose that a public address system emits sound uniformly in all directions and that there are no reflections. The intensity at a location 20 m away from the sound source is 3.0 × 10-4 W/m2. What is the intensity at a spot that is 87 m away?
Monday, February 3, 2014 at 11:13am

English
Please correct!! Gulliver's Travels questions 3.) How are the people of Brobdingnag different from the people of Lilliput? Choose the best answer. A.) The Lilliputians are much more peaceful B.) A king instead of a queen rules the Lilliputians, C.) The Lilliputian ...
Sunday, February 2, 2014 at 9:12pm

Science
Which of the following best summarizes the function of the respiratory system? A. to transport oxygen to cells and wastes away from cells. B. to protect the organs in the chest cavity C. to move oxygen from the air into the body and carbon dioxide from the body into the air D...
Sunday, February 2, 2014 at 8:05pm

Quick math help
I need help on how to do system applications word problems. I just don't get this at all :( 1. The ravens won twice as many games as they lost. They played 96 games. How many games did they win? 2. State college has 620 students. There are 20 more women than men. How many ...
Sunday, February 2, 2014 at 7:01pm

Science
Which of the following best summarizes the function of the respiratory system? A. to transport oxygen to cells and wastes away from cells. B. to protect the organs in the chest cavity C. to move oxygen from the air into the body and carbon dioxide from the body into the air D...
Sunday, February 2, 2014 at 6:59pm

Science
Name the components of the respiratory system in the order incoming air would encounter them during breathing. A. trachea, pharynx, larynx, alveoli, bronchi B. bronchi, larynx, alveloi, trachea, pharynx C. larynx, trachea, bronchi, pharynx, alveoli D. pharynx, larynx, trachea...
Sunday, February 2, 2014 at 5:11pm

Science
Name the components of the respiratory system in the order incoming air would encounter them during breathing. A. trachea, pharynx, larynx, alveoli, bronchi B. bronchi, larynx, alveloi, trachea, pharynx C. larynx, trachea, bronchi, pharynx, alveoli D. pharynx, larynx, trachea...
Sunday, February 2, 2014 at 3:49pm

American History
A series of legislative acts passed under the Grant administration in 1870 and 1871 authorized federal protection for black suffrage through the use of the Army against the Ku Klux Klan. Together, these were known as the _______ Acts. A. Force B. Reconciliation C. Grant D. ...
Sunday, February 2, 2014 at 3:35pm

Math
I'm struggling with system applications word problems. Can some please explain on how to do it? Thanks
Sunday, February 2, 2014 at 2:40pm

Politics
1. The heart of Martin v. Hunter’s Lessee was D A. whether treaties are supreme laws of the land. B. whether states’ rights trumped national authority. C. the right of Virginia to seize property of traitors during war. D. whether the Supreme Court had authority to ...
Sunday, February 2, 2014 at 1:27pm

Politics
1. The heart of Martin v. Hunter’s Lessee was A. whether treaties are supreme laws of the land. B. whether states’ rights trumped national authority. C. the right of Virginia to seize property of traitors during war. D. whether the Supreme Court had authority to ...
Sunday, February 2, 2014 at 11:41am

Linux Mint 16
01. Your home directory can be represented by what single character? "-" or /home/<username> 02. What is a user friendly text editor which comes pre-installed in Mint that can be used directly in the terminal? 03. My boss just told me that they want to see a ...
Saturday, February 1, 2014 at 9:09pm

Science
1. _______ magma causes powerful and explosive volcanic eruptions. A. Andesitic B. Rhyolitic C. Basaltic D. Composite B? 2. A common characteristic of mountains formed by two colliding continents is marine _______ rock. A. sedimentary B. metamorphic C. limestone D. igneous A...
Saturday, February 1, 2014 at 3:54pm

physics
A projectile is launched from ground level at 37.0 m/s at an angle of 30.6 ° above horizontal. Use the launch point as the origin of your coordinate system. (a) How much time elapses before the projectile is at a point 8.9 m above the ground and heading downwards toward ...
Saturday, February 1, 2014 at 2:13pm

social studies(CHECK ASNWERS)
please check my answers and if there wrong maybe you could tell me the correct one.but thanks anyways. 1. How did the formation of the National Action Party change Mexican politics? A.It ended the one-party system. B.It consolidated power among a few key leaders. C.It ended ...
Friday, January 31, 2014 at 11:53pm

Physics
For non-ideal oscillators (such as a real pendulum) energy is lost and the amplitude (which is the maximum displacement) is no longer constant but also decreases with time. How fast the energy lost is described by a TIME CONSTANT, τ = m/b. Typically after ONE time ...
Friday, January 31, 2014 at 11:19pm

physics
A projectile is launched from ground level at 37.0 m/s at an angle of 30.6 ° above horizontal. Use the launch point as the origin of your coordinate system. a)How much time elapses before the projectile is at a point 8.9 m above the ground and heading downwards toward the ...
Friday, January 31, 2014 at 10:19pm

Physics
A weight lifter manages to lift a 147 kg weight a distance of 1.1 m. Treat her as a thermodynamic system and find how much heat (in kcal) she must put out if her internal energy decreases by 3620 J during the lift.
Friday, January 31, 2014 at 5:59pm

Chemsitry
Consider the equilibrium A(g)=2B(g)+3C(g) at 25 degrees Celsius. When A is loaded into a cylinder at 10 atm and the system is allowed to come to equilibrium, the final pressure is found to be 12.13 atm. What is the standard gibbs free energy of reaction for this reaction.
Friday, January 31, 2014 at 2:56pm

Physics
A weight lifter manages to lift a 147 kg weight a distance of 1.1 m. Treat her as a thermodynamic system and find how much heat (in kcal) she must put out if her internal energy decreases by 3620 J during the lift. Not sure how to answer this.
Friday, January 31, 2014 at 11:08am

socialstudies(CHECK ANSWERS)
PLEASE CHECK MY ANSWERS please check my answers and if there wrong maybe you could tell me the correct one.but thanks anyways. 1. How did the formation of the National Action Party change Mexican politics? A.It ended the one-party system. B.It consolidated power among a few ...
Friday, January 31, 2014 at 1:13am

Biology
Viroids typically infect plant, while prions typically infect nervous system. Is this correct? thanks!
Thursday, January 30, 2014 at 10:36pm

Math help
I have a question. How would you solve a system if the variable and number is in front of the equals sign for example : y=3 4y=2x+18 I need help can someone guide me on this?
Thursday, January 30, 2014 at 8:50pm

Physics
Two speeding lead bullets each of mass 5 g and temperature of 20°C collide head on at speeds of 500m/s each. Assuming a perfectly inelastic collision and no loss of energy to the atmospheres, describe the final state of the two bullet system.
Thursday, January 30, 2014 at 8:41pm

Civics
What role do precedents play in our legal system? Help would be appreciated!! :-)
Thursday, January 30, 2014 at 5:11pm

scienceheat from burning fuel warms the walls of t
Heat from burning fuel warms the walls of the firebox section of the furnace in A.a hot heating system B.an evaporation system c. a compressor compartment
Thursday, January 30, 2014 at 4:07pm

physics
A spring (k=80n/m) lies on a frictionless table, one end connected to the wall, the other to a 4kg block. The block is pulled, stretching the spring .5m. and then released. A) max elastic potential energy of system? b) total energy? C) what is the acceleration of the block at ...
Thursday, January 30, 2014 at 1:56pm

social studies(check answers)
please check my answers and if there wrong maybe you could tell me the correct one.but thanks anyways. 1. How did the formation of the National Action Party change Mexican politics? A.It ended the one-party system. B.It consolidated power among a few key leaders. C.It ended ...
Thursday, January 30, 2014 at 1:50pm

science
plz any one these are some mcqs i am preparing for a test i m not sure with the answers of these mcqs this is not a homework not an online course exam so feel free to answer these thankx MCQS 01. Changes of equal magnitude are separated by some distance. If the changes are in ...
Thursday, January 30, 2014 at 2:49am

science
plz any one these are some mcqs i am preparing for a test i m not sure with the answers of these mcqs this is not a homework not an online course exam so feel free to answer these thankx MCQS 01. Changes of equal magnitude are separated by some distance. If the changes are in ...
Thursday, January 30, 2014 at 2:48am

Physics
plz any one these are some mcqs i am preparing for a test i m not sure with the answers of these mcqs this is not a homework not an online course exam so feel free to answer these thankx MCQS 01. Changes of equal magnitude are separated by some distance. If the changes are in ...
Thursday, January 30, 2014 at 2:48am

Science
plz any one these are some mcqs i am preparing for a test i m not sure with the answers of these mcqs this is not a homework not an online course exam so feel free to answer these thankx MCQS 01. Changes of equal magnitude are separated by some distance. If the changes are in ...
Thursday, January 30, 2014 at 2:47am

compressor operations
We are operating a centrifugal compressor. The gas composition does not change during this excursion. While holding suction pressure and flowrate constant, the inlet temperature rises. What would you expect to happen to the discharge pressure, and why
Wednesday, January 29, 2014 at 11:12pm

Centrifulag pump curve
Q4 The system on site is a pressure sand filter, with a service curve. The filter is backwashed using the feed pump, at a higher flow rate, shown as backwash curve. Service duty point : 3 m3/h Backwash duty point : 9 m3/h Part (a) (4 marks) What is the speed of the pump to ...
Wednesday, January 29, 2014 at 11:11pm

social studies (CHECK ANSWERS)
1. How did the formation of the National Action Party change Mexican politics? A.It ended the one-party system. B.It consolidated power among a few key leaders.(I PICK THIS) C.It ended the revolution. D.It lessened the power of the president. 2. It is hard for children in ...
Wednesday, January 29, 2014 at 11:02pm

Math
I still don't know how to directly solve this problem. Can someone guide to solve this system of equation by using the substitution method? Thanks! 1. Y=6x-5 Y=-x+9
Wednesday, January 29, 2014 at 9:17pm

history help plzzzzzz
1. What was the Trail of Tears? (1 point) the nickname given to Manifest Destiny by many Native Americans the battlefield where thousands of Cherokees were killed defending their home territory the path walked by Native Americans as they were forced to relocate to Indian ...
Wednesday, January 29, 2014 at 6:29pm

A & P
A young man happens to spot an ex-girlfriend he's trying to avoid. Why does his mouth become dry? A. His cranial nerves shut down saliva production. B. His central nervous system shuts down saliva production. C. His sympathetic nervous system overrides the parasympathetic...
Wednesday, January 29, 2014 at 5:24pm

Math
How would you solve each system by the substitution method? 1. Y=6x-5 Y=-x+9
Wednesday, January 29, 2014 at 3:55pm

social studies---check 1 question pls
6. Whose mill launched the factory system? (1 point) James Monroe Eli Whitney ***Samuel Slater*** Francis Cabot Lowell help pls
Wednesday, January 29, 2014 at 12:19pm

algebra
A fruit drink is 15% white grape juice. Use a system of equations to find the amount of pure white grape juice and the amount of this fruit drink needed to make 27 gallons of a new drink that is 21% white grape juice. Round to the nearest tenth
Wednesday, January 29, 2014 at 1:45am

PHYSICS
A block of mass m1 = 28 kg rests on a wedge of angle θ = 53∘ which is itself attached to a table (the wedge does not move in this problem). An inextensible string is attached to m1, passes over a frictionless pulley at the top of the wedge, and is then attached to ...
Tuesday, January 28, 2014 at 9:05pm

Physics
A block of mass m1 = 28 kg rests on a wedge of angle θ = 53∘ which is itself attached to a table (the wedge does not move in this problem). An inextensible string is attached to m1, passes over a frictionless pulley at the top of the wedge, and is then attached to ...
Tuesday, January 28, 2014 at 2:56pm

physics
A block of mass m1 = 28 kg rests on a wedge of angle θ = 53∘ which is itself attached to a table (the wedge does not move in this problem). An inextensible string is attached to m1, passes over a frictionless pulley at the top of the wedge, and is then attached to ...
Tuesday, January 28, 2014 at 2:27pm

HTT / 230
Nance’s Restaurant, a local independent restaurant, is evaluating new point-of-sale (POS) systems and must determine if a new installation is feasible. A new POS installation would include both software and hardware, with a total cost of $20,000. Nance’s Restaurant ...
Tuesday, January 28, 2014 at 11:23am

American History
Under America's second party system, the Whigs stood for A. a "negative liberal state." B. policies that kept government hands off business and industry. C. policies that directly supported commercial enterprises D. a "liberally negligent" state I choose B
Tuesday, January 28, 2014 at 11:06am

Excelsior
he following transactions occurred during March 2009 for the Wainwright Corporation. The company owns and operates a wholesale warehouse. 1. Issued 30,000 shares of common stock in exchange for $300,000 in cash. 2. Purchased equipment of a cost of $40,000. $10,000 cash was ...
Tuesday, January 28, 2014 at 7:05am

Anatomy & Physiology
1. A young man happens to spot an ex-girlfriend he's trying to avoid. Why does his mouth become dry? A. His cranial nerves shut down saliva production. B. His central nervous system shuts down saliva production. C. His sympathetic nervous system overrides the ...
Tuesday, January 28, 2014 at 12:11am

Physics
A baggage carousel at an airport is rotating with an angular speed of 0.397 rad/s when the baggage begins to be loaded onto it. The moment of inertia of the carousel is 2440 kg·m2. Ten pieces of baggage with an average mass of 16.5 kg each are dropped vertically onto ...
Monday, January 27, 2014 at 10:40pm

Physics
A baggage carousel at an airport is rotating with an angular speed of 0.397 rad/s when the baggage begins to be loaded onto it. The moment of inertia of the carousel is 2440 kg·m2. Ten pieces of baggage with an average mass of 16.5 kg each are dropped vertically onto ...
Monday, January 27, 2014 at 10:10pm

Algebra 1~ For Reiny or Steve, I only have 5 min.
How many solutions does the system of equations have? 3x+12y=20 Y=-1/4x+5/3 (1 point) One*** Two Infinitely many None Jack has $55, and Emily has $28. Jack is saving $4 per day, and Emily is saving $13 per day. After how many days will Jack and Emily have the same amount of ...
Monday, January 27, 2014 at 9:24pm

Algebra 1
How many solutions does the system of equations have? 3x+12y=20 Y=-1/4x+5/3 (1 point) One*** Two Infinitely many None Jack has $55, and Emily has $28. Jack is saving $4 per day, and Emily is saving $13 per day. After how many days will Jack and Emily have the same amount of ...
Monday, January 27, 2014 at 8:59pm

Algebra
What would the solution to this system of equations be? y = x - 50 y = 0.6x I got (138.8, 83.3), but that doesn't seem right at all.
Monday, January 27, 2014 at 4:57pm

Quick math help
Can someone please check my math Hw? Thank you!! Solve each system by elimination. 1. 8x+7y=-1 -9x-7y=2 I got (-1,1) 2. 4x+3y=1 -4x-7y=-13 I got (2,-2) 3. -7x-6y=-21 -x-6y=-3 I got (3,0) 4. -2x+3y=-16 -2x-5y=-16 I got (8,0) 5. -7x+2y=13 -14x+4=26 I got (0,0) 6. 15x-8y=14 -5x+...
Monday, January 27, 2014 at 4:40pm

Science
a 67 gram chunk of ice (Heat of Fusion = 6.0 kJ/mol) in a beaker immersed in a water bath. To produce just enough heat to melt the ice, how many moles of solid NaOH (Heat of Solution = -445.1 kJ/mol) must be added to this system to just melt the ice. (Moles)
Monday, January 27, 2014 at 3:58pm

Math
Here is the problem: Christopher orders a three topping pizza for $15.25, and a 5 topping pizza for $17.75. Write and solve a system of linear equations to find the price of a plain cheese pizza (no toppings) and the cost of each topping. I used the method of elimination to ...
Monday, January 27, 2014 at 3:12pm

Business communication
can someone help me to correct it? this message address to international employee. Message intend to announce a revenue drop caused by intensive competitive pressure Howdy guys! Shouldn’t surprise anyone that we took a beating this year, given the insane pricing moves our...
Monday, January 27, 2014 at 2:19pm

Algebra
Solve the system by substitution. x + 3y = -4 2x + 2y = -8
Sunday, January 26, 2014 at 10:29pm

American History
The Panic of 1837 resulted in large measure from A. the policies of Martin Van Buren's administration B. the policies of John Quincy Adams C. complex changes in the international economic system D. the cost associated with Indian removal I choose C
Sunday, January 26, 2014 at 6:22pm

physics
You are a Middle Ages cannonball scientist attacking a castle a distance D away. Your job is to get a cannonball of mass m over the walls, which are a height H above the top of the cannonball launcher. At the instant when the cannonball leaves the launcher it will be traveling...
Sunday, January 26, 2014 at 6:05pm

American History
Under America's second party system, the whigs stood for A. a "negative liberal state." B. policies that kept government hands off business and industry C. policies that directly supported commercial enterprises D. a "liberally negligent" state I choose A
Sunday, January 26, 2014 at 4:21pm

American National Gov.
The American bureaucracy conjures up the following images except cumbersome “red tape.” civil servants who are inefficient, unresponsive, and unhelpful. officials who have amassed power and who act against the rights of citizens. a system that can act quickly in a ...
Sunday, January 26, 2014 at 10:39am

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