Recent Homework Questions About Operating Systems
Water - Math Question
This question is related to water footprint calculation. I have no idea how to go about this, if anyone could point me in the right direction, I'd be forever grateful! Background info: The water footprint of the resident of a Blue Sea riparian country (92 million residents...
Saturday, October 19, 2013 at 3:10pm
A cardiologist uses an ultrasound scanner with an operating frequency of 3.5 MHz that can detect Doppler frequency shifts as small as 0.1 kHz. What is the smallest flow velocity detectable with this device? Two frequencies are given so I know I have to convert the units but ...
Saturday, October 19, 2013 at 9:31am
A 30.5 g sample of an alloy at 92.4°C is placed into 52.9 g water at 24.1°C in an insulated coffee cup. The heat capacity of the coffee cup (without the water) is 9.2 J/K. If the final temperature of the system is 31.1°C, what is the specific heat capacity of the ...
Friday, October 18, 2013 at 11:03pm
You and your friend are saving for college. You have $50 and are added $10 each week to your savings. Your friend has $20 and he is adding $20 each week to his savings. a. what system of equations would be a good model for this situation? Let x be number of weeks and y be the ...
Friday, October 18, 2013 at 1:14pm
1. System A consists of a single ring with 100 stations, one per repeater. System B consists of four 25 stations rings linked by a bridge. If the probability of a link failure is , a repeater failure is , and a bridge failure is , derive an expression for parts (a) to (d). a) ...
Friday, October 18, 2013 at 10:51am
Keep track of which website you get each piece of information from. You can create a kind of coding system, making sure you number the websites you use for each person you're researching. Here's an idea: #1 = http://www.biography.com/people/john-d-rockefeller-...
Friday, October 18, 2013 at 10:36am
A 30.5 g sample of an alloy at 90.7�C is placed into 48.8 g water at 22.3�C in an insulated coffee cup. The heat capacity of the coffee cup (without the water) is 9.2 J/K. If the final temperature of the system is 31.1�C, what is the specific heat capacity...
Thursday, October 17, 2013 at 11:55am
the system of linear equations below has a unique solution for all but one value of a : 5 x - 5 y = 25 48 x + a y = 240 What is this exceptional value for a ?
Thursday, October 17, 2013 at 11:12am
What part of the circulatory system moves the blood through your body?
Wednesday, October 16, 2013 at 7:17pm
The following unadjusted trial balance is prepared at fiscal year-end for Nelson Company. NELSON COMPANY Unadjusted Trial Balance January 31, 2013 Debit Credit Cash $ 26,150 Merchandise inventory 14,500 Store supplies 5,000 Prepaid insurance 2,100 Store equipment 42,800 ...
Wednesday, October 16, 2013 at 5:51pm
Solve system of equations.Describe each step if your solution. W+X+Y+Z=2 2W-X+2y-Z=1 -W+2x-y+2z=-2 3w+x+y-Z=5 Please help I only know how to do this with 3 equations.
Wednesday, October 16, 2013 at 4:15pm
Business(please help quick!)
Please don't provide any links. We are doing a project where we pick a sports team and we must calculate the revenue and salaries of the players. Then we are asked to explain how a sports team can possibly lose money. Now, I have all of that but I am stuck on this last ...
Wednesday, October 16, 2013 at 12:20am
If we ignore the small fraction of U-234, natural uranium has a concentration of 99.28 atom% of U-238 and 0.72% U-235. Their half-lives are, respectively, 4.68*109 and 7.038*108 years. (a) In the future, will the U-238 percentage be higher or lower? (b) In Oklo, Gabon, Africa...
Tuesday, October 15, 2013 at 9:02pm
Solve the system. Then classify the system as consistent and independent, consistent and dependent, or inconsistent. 24.) 4x+5y=3 6x+9y=9 26.) 1/2x -3y=10 1/4x +2y=-2
Tuesday, October 15, 2013 at 6:01pm
Graph the linear system and estimate the solution. Then check the solution algebraically. 7x+y=-17 3x-10y=24 I have to have 4 labeled points and I'm not getting the fraction thing. Any help would be great!
Tuesday, October 15, 2013 at 5:58pm
Consider an ideal spring that has an unstretched length l0 = 3.3 m. Assume the spring has a constant k = 23 N/m. Suppose the spring is attached to a mass m = 6 kg that lies on a horizontal frictionless surface. The spring-mass system is compressed a distance of x0 = 1.6 m from...
Tuesday, October 15, 2013 at 1:40pm
Write the system as a matrix equation and solve using inverses. x1 + 2x2 - x3 = -3 -2x1 - x2 + 3x3 = 0 -4x1 + 4x2 - x3 = -12 A. x1 = 2, x2 = -3, x3 = 1 B. x1 = 1, x2 = -2, x3 = 1 C. x1 = 1, x2 = -2, x3 = 0 D. x1 = 1, x2 = -3, x3 = 1
Tuesday, October 15, 2013 at 11:54am
Solve the system. 3x2 - 2y2 = -5 x2 + y2 = 25 A. (3, 4), (3, -4), (-3, 4), (-3, -4) B. (4, 4), (5, 4), (3, -4), (1, 4) C. (-3, 4), (1, 4), (-3, -4), (2, -4) D. (1, 4), (2, 4), (4, 3), (3, 3) Find the coordinates of the corner points using the ...
Tuesday, October 15, 2013 at 11:25am
A Silicon Valley company is looking to increase the performance of its workstations. Analysis of the applications that its customers are using has shown that the average response time breaks down into three main categories: CPU time, memory system time, and host/client ...
Tuesday, October 15, 2013 at 10:30am
biology 2 (?)
What system did you pick?
Monday, October 14, 2013 at 8:42am