Questions Asked on
February 10, 2007

Statistics
A sign on the gas pump of a certain chain of gasoline stations encourages customers to have their oil checked, claiming that one out of every four cars should have its oil topped up. What is the probability that exactly 3 of the next 10 cars entering a
asked by Matt 
Physics
A vessel at rest explodes breaking into three pieces. Two pieces, having equal mass fly off perpendicular to one another with the same speed of 30 m/s. The third piece had three times the mass of each other piece. What are the magnitude and direction of
asked by sarah 
Re: Physics/Math
Calculate the ratio of the drag force on a passenger jet flying with a speed of 750 km/h at an altitude of 10 km to the drag force on a propdriven transport flying at onefifth the speed and half the altitude of the jet. At 10 km the density of air is
asked by COFFEE 
general
What subjects do students study in the United Kingdom at the age of fourteen? http://en.wikipedia.org/wiki/Education_in_England Scroll down. =) Thank you. English Mathematics Science Information and Communication Technology (ICT) Design Technology History
asked by Eva 
Geography.
What kind of careers can a person with a background in geography have? Plz help. Writing a paper for it. Thanks. These sites have information about careers in geography. Look at the bottom of the page in the first site.
asked by Kate 
Physics/Math
In a pickup game of dorm shuffleboard, students crazed by final exams use a broom to propel a calculus book along the dorm hallway. If the 3.6 kg book is pushed from rest through a distance of 0.90 m by the horizontal 22 N force from the broom and then has
asked by COFFEE 
chemistry
If heat of reaction, Ca(s) + 2H+(aq) Ca2+(aq) + H2(g) , is  544 kJ/mol, heat of reaction, CaO(s) + 2H+(aq) Ca2+(aq) + H2O(l) , is 192 kJ/mol. and heat of formation of water is 286, what is heat of CaO? Ca(s) etc is equation 1. CaO + 2H^+ etc is equation
asked by nicholas 
Chemistry
When 9.0g of Al were treated with an excess of chlorine, 20.0g of Al2Cl6 were collected. 2AL + 3Cl6 > Al2Cl6 What was the percentage yield? This is what i did so far # moles in Al = 0.333 # moles in Cl2 = 0.282 The limiting reactant = Cl2 27g of Al
asked by Mallory 
Re: Physics/Math
A 17 N horizontal force F pushes a block weighing 6.0 N against a vertical wall. The coefficient of static friction between the wall and the block is 0.68, and the coefficient of kinetic friction is 0.48. Assume that the block is not moving initially. Will
asked by COFFEE 
math,help
can someone explain to me also how to do addition with equations. Solve the system by addition 5x3y=13 4x3y=11 its easy try properly It's not easy "It's not easy" Then how come I found the answer: x = 2; y = 1, in just five seconds by just looking at
asked by jasmine20 
chemistry
When 0.752 g of Ca metal is added to 200.0 mL of 0.500 M HCl(aq), a temperature increase of 12.2C is observed. Assume the solution's final volume is 200.0 mL, the density is 1.00 g/mL, and the heat capacity is 4.184 J/gC. (Note: Pay attention to
asked by nickel 
Physics/Math
A 3.0 kg block, initially in motion, is pushed along a horizontal floor by a force F of magnitude 18 N at an angle = 45° with the horizontal. The coefficient of kinetic friction between the block and floor is 0.25. (Assume the positive direction is to the
asked by COFFEE 
After finishing your edu. what do..(repost)
Here is the second part of my project. Please list what and why. (After finishing your education what do you hope to accomplish in your professional and personal life?) a. find a job that fulfills my expectations and be equivalent to my studies. b. make
asked by [C]razy Baby. [i love you] (Margie) 
social studies
What did the ancient Egyptians useto stuff the nostrils of the people they were mummifying Already answered: http://www.jiskha.com/display.cgi?id=1170947850 =)
asked by anna 
Physics/Math
Calculate the ratio of the drag force on a passenger jet flying with a speed of 750 km/h at an altitude of 10 km to the drag force on a propdriven transport flying at onefifth the speed and half the altitude of the jet. At 10 km the density of air is
asked by COFFEE 
Physics/Math
A 17 N horizontal force F pushes a block weighing 6.0 N against a vertical wall. The coefficient of static friction between the wall and the block is 0.68, and the coefficient of kinetic friction is 0.48. Assume that the block is not moving initially. Will
asked by COFFEE 
Shakespeare
If you have read The Misanthrope I have started reading it and am lost, I am trying to figure out if Philinte believes we should be hypocrites and why. Thanks I don't see "The Misanthrope" among Shakespeare's works. Are you sure you don't mean Moliere?
asked by Cameron 
Home Economics/Science
Hi i just needed a little help with my Home Eco homework,could u help me please. here are the questions: what is the social,economical,ittellectual,cultural,protective,security functions of a family. please tell in paragraphs for each section. thanks!!!
asked by Fiji islander 
History :Realism/Enlightenment
What are some scientific breakthroughs of the Age of Realism and what new ideas undermined Enlightened ideas?
asked by Jim 
concentration camps
my question is about the world war 2. i am writing a report about it and my question is can i call the places where the japanese were put by the americans concentration camps? They were referred to as internment camps or relocation centers:
asked by Jiminy 
countiblis,math
How did you get: x = 2; y = 1 for Directions: Sove the system by addition 5x3y=13 4x3y=11 for this type of problem there is no shading correct. or am i wrong 5x3y=13 4x3y=11 If you subtract the two equations you get: 5x3y  (4x3y) = 13  11 The y's
asked by jasmine20 
Statistics
An important part of the customer service responsibilities of a natural gas utility company concerns the speed with which calls relating to no heat in a house can be serviced. Suppose that one service variable of importance refers to whether or not the
asked by Matt 
Chemistry
Can somebody help me with this question? Zinc metal is placed in a solution of copper ions and undergoes an oxidationreduction reaction. Which direction is the spontaneous reaction? Zn metal goes into solution. Cu(II) ions come out. Zn + Cu+2 ==> Zn+2 +
asked by Lisa 
Re: Physics/Math
A 3.0 kg block, initially in motion, is pushed along a horizontal floor by a force F of magnitude 18 N at an angle = 45° with the horizontal. The coefficient of kinetic friction between the block and floor is 0.25. (Assume the positive direction is to the
asked by COFFEE 
can someone please check my accounting answers
Can someone please check my answers dealing with various contingencies. For each item, indicate how the situation should be accounted for and reported for the current year. Select the best answer from the accounting and reporting treatments listed below
asked by confused 
Math
i have this question on tesselations, I got some homework and one of the questions are: A tesselation with the notation of schlafli of {3,3,4,4}. What formes are at the vertex. Draw a tesselation of it. I have been trying to figure this out for 30mins now
asked by Stine 
math,help
How do even solve this one sum of two numbers is 32. their difference is 6. what are the numbers? xy=6 x+y=32 add the equations... 2x=38 and solve.
asked by jasmine20 
math, help
can someone show me how to do this one i have plenty of them so can you show me step by step when someone gets a chance. Thank you. Solve the system by graphing x+y=3 x+y=1 What I would do is to put the equations in slope intercept form: y= x + 3 y= x
asked by jasmine20 
math
The perimeter of a rectangle is 68 f. Find the dimensions of the rectangle if the ratioof the length to the width is 9:8 I am sorry that nobody has responded earlier. The perimeter is the sum of the length of the four sides. Therefore: 2(9X) + 2(8X) = 68
asked by mukesh 
MATH/LOGIC
You have gotten reservations from Fly By Night Tours to an island off the coast of Florida. You arrive and find out that the island is occupied and administered by alligators and crocodiles. You are confronted by a committe of three of these reptiles with
asked by Rob 
graphing exponential function
P(x) = (xa)^4 (xb)^3 (xc) where a>0, b0, a
asked by Jen 
Math
Suppose income = $100, PX = $2.00 if the consumer buys less than 20 units of X, PX = $4.00 if the consumer buys more than 20 units of X. With income or composite good Y on the Yaxis, draw the budget constraint. Label ALL intercepts.
asked by Dennis 
science
please help me with the following: The methanol production process is operated at 250  300 ºC & @ pressures of 50  100 atmospheres in the presence of a copperbased catalyst. Comment on whether these operating conditions, 250  300 ºC & 50  100
asked by LOST IN SCIENCE 
Science
What is the structural formulae for the equation for the hydrolysis of lactose? It is impossible for us to draw structures on the computer. Here is a web site that may help you. http://www.rpi.edu/dept/chemeng/BiotechEnviron/IMMOB/lactose.html
asked by Samantha 
Math
The exterior dimensions of a saef are 90 cm x 50 cm x 30 cm. if the walls of the safe are 1.5 cm thick, what is the interior volume of that safe? My guess: Subtract 1.5 cm from 90 cm and from 50 cm and from 30 cm. Then multiply to find the volume: (90 
asked by kay 
history
where can I find information on progress of the united states between the late 1800's to 1930's. This site has a history of the U.S. You can read the sections from after the Civil War until World War II to find the progress made. Are you looking for
asked by dayqwon jones 
Math
Water is filled into a tank of base 40 cm x 40 cm. the water level rises 7.5 cm when 5 identical small marbles and 5 identical large marbles are into into the tanks and sick. If the volume of a large marble if two times that of the small one, what are the
asked by kay 
Helpp plz..
List reasons on why a real estate agent would need a background in geography. Plz help. Im writing a paper on this, but need to get the concept of it all. If a realtor in the Los Angeles area understood the geography of the county and surrounding areas,
asked by May 
Calculus II
Hello! I have a problem on volumes but I am having trouble visualizing the object. y=ln(x), y=1, y=2, x=0, about the yaxis For the graph, I graphed y=ln(x), then I have from 1 to 2. Is this one with a washer where I have integral fom 1 to 2 of pi*ln(x)^2
asked by Shelley 
Chemistry
Why is the freezing point depression of potassium ethanoate greater than that of camphor or urea (in benzoic acid), with equal moles of each? Wouldn't the Kethanoate break up into two ions per molecule?
asked by Edward 
criminology
Can someone explain to me how diversion programs are related to social process theories.
asked by jeff 
english language
meanings of the following with sentence example. accept Arctic Balloon Banana Barrel Bruise Burglar Chocolate Eight February Fierce Island Journey Niece Scissors Thief Visitor Weird Woolen Yacht accept= to aggree to do sth. ex. She accepted our offer.
asked by nadha 
english ecpe degree
Hello, This year I am sitting my ECPE exam of the university of Mishigan. Where can I find useful practice on the Internet? I would be grateful if you could help me.. Eva Ch. I don't know about practice, but here's a very interesting website:
asked by Eva 
Chemistry
I am having trouble answering a question and need some advise. If one proton is taken from a nucleus of a sample of Au79 i would get platinum 78 and if one was added i would get Mercury 80. I am trying to decide which one is the more valuable financially.
asked by Flame 
domain
domain of exponential function from y axis & logarithmic function from x axis?
asked by Jen 
math
What was the percentage increase in motor vehicle production in motor vehicle production in countries outside the united states from 1950 to 1997?
asked by stacy 
social studies
child labor in africa anything baout it! pleae help its due monday! http://www.google.com/search?q=africa+child+labor&rls=com.microsoft:enus:IESearchBox&ie=UTF8&oe=UTF8&sourceid=ie7&rlz=1I7SUNA
asked by dorsey 
math, help
What are two solutions for 3xy=0 am i correct on this inorder to graph (0,0) and (2,6) Because the line goes through (0,0) so how do i get two solutions from that line? You can get two solutions from that line because the first solution (0,0) is from the
asked by jasmine20 
math
I have this question on tesselations, I got some homework and one of the questions are: A tesselation with the notation of schlafli of {3,3,4,4}. What formes are at the vertex. Draw a tesselation of it. I have been trying to figure this out for 30mins now
asked by Stine 
Statistics
A specially equipped trauma emergency room at a hospital has been in operation for 40 weeks and has been used a total of 240 times. Assuming the weekly pattern of demand for this facility is Poission, compute the following: 1) The probability that the room
asked by Matt 
Leonardo Da Vinci
I am looking for a cool project idea. My last two projects where a website and a diagram. I have run out of ideas. http://www.google.com/search?sourceid=navclient&gfns=1&ie=UTF8&rls=SUNA,SUNA:200645,SUNA:en&q=leonardo+da+vinci You could find some of the
asked by Samantha 
Math
A metal sheet made up the faces of a cube measured 12 cm x 12 cm x 12 cm. find the total area of metal sheet required A cube has six sides, each 12x12 cm^2 12X12X6=864cm
asked by Anonymous 
Art Research Paper
It's got to be min. 2 pages. I'm doing it on Andrew Wyeth. This is the only guideline I was given: "As part of your course requirements, you need to choose an artist and research the artist and his or her work." Any ideas on at outline/what I should really
asked by Claire 
art
What does symmetrical balance means http://www.google.com/search?hl=en&rls=com.microsoft%3Aenus%3AIESearchBox&rlz=1I7SUNA&q=symmetrical+balance Lots of good information in here. =)
asked by Espoir Simbenga 
econ question about Trade
The following table provides date on the productivity of a single unit of resource in producing wheat and microchips in both canada and jpn wheat microships canada 50 20 jpn 2 12 now if terms of trade was 2 microships for one tonne of wheat. Which country
asked by tofu 
Oedipus
Hi! I have a paper on Oedipus as a character of "appalling greatness." Is this how the audience for which Sophocles wrote the play would see him, or is it a "modern misinterpretation?" and This critic has argued "Oedipus" has the most impact of any ancient
asked by Emma 
Bible  Amos
Hi, I'm in a social studies class and we're studying the Bible, which I have trouble comprehending. I need to write on why Amos chose to single out the "cows of Bashan" as his scorn subjects. Would this be because women appeared to be the main cause of
asked by Emma 
Business  Kelley School in Indiana University
How is the undergraduate program at Kelley School of Management in Indiana University? Does it have a very good reputation among business fields? Thank you for using the Jiskha Homework Help Forum. Here is their website: http://kd.iu.edu/ Here is an
asked by Jack 
English
I want to know all symbols in this lyric and the meaning of "on the eve of my defeat" It's for my presentation Is anybody listening? Can they hear me when I call? I'm shooting signals in the air 'Cause I need somebody's help I can't make it on my own So
asked by Pat