Questions Asked on
October 30, 2007

Physics
On July 19, 1969, Apollo II's orbit around the moon was adjusted to an average orbit of 111km. The radius of the moon is 1785 km and the mass of the moon is 7.3e22 kg. a) How many minutes did it take to orbit once? b) At what velocity did it orbit the
asked by Elizabeth 
History
colonialism in the congo: Conquest, conflict and commerce study guide part 2
asked by V 
STATISTICS
It is generally believed that electrical problems affect about 14% of new cars. An automobile mechanic conducts diagnostic tests on 128 new cars on the lot. a. Describe the sampling distribution for sample proportion by naming the model and telling its
asked by LT 
Statistics
The mean television viewing time for Americans is 15 hours per week. Suppose a sample of 60 Americans is taken to further investigate viewing habits. Assume the population standard deviation for weekly viewing ime is o = 4 hours. A What is the probability
asked by Rebecca 
physics
A basketball player makes a jump shot. The 0.650kg ball is released at a height of 1.90 m above the floor with a speed of 8.00 m/s. The ball goes through the net 3.10 m above the floor at a speed of 3.90 m/s. What is the work done on the ball by air
asked by Taylor 
Chemistry
Hydrogen H2 is used as a rocker fuel. The hydrogen is burned in oxygen to produce water vapor. 2H2 + O2 > 2H2O Delta H = 484 kJ What is the enthalpy change per gram of hydrogen?
asked by Lauren 
Math
Please explain how to figure out the following 7th grade math problem: If a rubber ball bounces exactly 1/2 the height from which it is dropped; and it is dropped from the top of a building that is 64 meters tall, how high will the ball bounce on its
asked by Jaleel 
Chemistry
With a platinum catalyst, ammonia will burn in oxygen to give nitric oxide, NO. 4NH3 + 5O2 > 4NO + 6H2O Delta H= 906 kJ What is the enthalpy change for the following reaction? NO + 3/2H2O > NH3 + 5/4O2
asked by Lauren 
math
A model of an airplane is 8 inches long. If the actual airplane is 32 feet: What is the scale factor?
asked by Mike 
Calculus Test Question ASAP
The graph of y = cos x is concave down on which interval? (pi,0)??????? please help!!!!
asked by Matt 
math
how much whipping cream and 2% milk should be mixed to obtain 35 gallons of milk with 4% butterfat. if the milk has 2% butterfat and the whipping cream has 9% butterfat
asked by Anonymous 
Statistics
A production process is checked perifically by a quality control inspector. The inspector selects simple random samples of 30 finished products and computes the sample mean product weights x. If test results over a long period of time show that 5% of the x
asked by Rebecca 
calculus
dy/dx= (2x2xy)/(x^2+2y) find all points on the curve where x=2. show there is a horizontal tangent to the curve at one of those points.
asked by sara 
Chemistry
Calculate the molar solubilty of CaC2O4 in a solution that has been buffered to a pH of 4.00 Remember to account for reactions involving H2C2O4 acting as an acid in water. To account for the buffer, simply assume that H+ = 1.00X 10^4
asked by Matt 
science
Q1: What rock comes before quartzite in the rock cycle? What rocks or rock could come just after quartzite in the rock cycle? Q2: A geologist finds a course grained rock with crystals arranged in rows. What can the geologist infer about how this formed and
asked by Wali 
calculus
f*(x) = lim as h > 0 [f(x+h)f(xh)]/ h write an equation that expresses the relationship between the functions f*(x) and f` I know that f` is [f(x+h)f(x)]/h but i have no clue how to write an equation to relate the two!!!
asked by Anonymous 
finance
can someone correct these for me when you have a few minutes i'll appreciate any help thankyou.my answers are in parenthesis thanks again. Indicate whether a debit or credit decreases the normal balance of each of the following accounts: a. Office Supplies
asked by student acc 
History
why did leopold want to defeat the swahili traders in the eastern areas?
asked by V 
Best words that describe.....
What's a word that describes "to put things in action"? Ex. People fail to realize the plan "in action" is a scam. And another word that describes "buys"? Ex. She "buys" the loyalty of her friends.
asked by Anonymous 
Mathword problem
Sarah rents a car to take her to the airport in the morning and return her home that evening. Halfway to the airport, she picks up a friend who accompanies her to the airport. That night, she and her friend return to Sarah's home. The total cost is $20.00.
asked by Lisa 
algebra
When am I ever going to use negative exponents in real life?
asked by Vi 
current history
can anyone name two contrasting conflicts that have to do with nationalism around the world ( ex. one conflict could be between teo religious groups.....)
asked by kelly 
physics
A doubly tethered model airplane of mass 1.0 kg is attached to a vertical rod by two very light strings that are 2.0 each in length. the airplane and the the strings rotate in a horizontal circleabout the rod with both the strings remaining taut.The
asked by Sam 
Physics
A circus performer wants to land in a net 5 meters to the right of where she will let go of the trapeze. If she is 10 meters above the net, how fast must she be moving horizontally when she lets go?
asked by Meggan 
Please someone proofread portion of my work!
Please if the paragraph flows well, makes sense and if it analyzes why the use of wealth is significant in Claudius's part in Hamlet. Claudius uses the royal fortune for his own personal needs to satisfy himself. The King of Denmark uses his royal assets
asked by Anonymous 
history
how did king leopold develop his image as a great humanitarian leader?
asked by V 
please revise my two paragraphs of my essay
Nuclear power plants have been a controversy issue in our world for many years and it will continue to be so in the years to come. The issue of whether people should or shouldnâ€™t accept power plants to be operated has been widely debated among
asked by julie 
management
Can someone give me their opinion of my answer if its correct or wrong please when someone has a few minutes thanks. Which of the eight steps in the decisionmaking model could be eliminated if a decision had to be made quickly? 1. Be alert to indicators
asked by student acc 
Algebra
Ok I got two I need help with : 1. Factor Completely 7x^2 + 49x + 42 I get 7x^2 + 7x + 42x + 42 then 7x(x+1) but the right side is confusing me. I know it should be (x+6). So the answer is 7x(x+1)(x+6) But I get 7x(x+1) 7(6x+6). What am I doing wrong?
asked by John 
Statistics
In 1990, the average annual Medicare spending per enrollee was $3267; in 2003, the average annual Medicare spending per enrollee was $6883. Supposed you hired a consulting firm to take a sample of fifty 2003 Medicare emrollees to further investigate the
asked by Rebecca 
Cultural Diversity
Can someone please help with this question on my assignment? A culture's emphasis on autonomy or dependence impacts adultchild interaction. Of the following choices, the ____________cultures are most closely aligned in valuing dependence or autonomy. A.
asked by Rose 
Chem
What are the organic side reactions and products that can occur when 1butanol is treated with NaBr and H2SO4? Any help would be great, thanks.
asked by Meche 
Vocabulary
I am reading the book Great Expectations by Dickens and need help with the following: I need definitions for these words: divine(verb) discomfiture disparage conciliatory larcenous supplicant retributive diffidence despotic squally I've looked them up in
asked by anonymous 
history, current issues
what are types of nationalism conflicts...like there are religious conflicts that include nationalism but what others are there...examples please from current conflicts
asked by jen 
Science
A Parking Lot is full of automobiles. Does the number of wheels in the lot depend on the number of automobiles.
asked by Veronica 
microbiology
What is a unique mononucleotide of the RNA? Is it GMP AMP TMP CMP or UMP thanks
asked by Teresa 
art history
Which of the following structure is indigenous in China? >pagodas >obelisks >mastabas or >totem poles? I think the answer is totem poles.
asked by Tabby 
intro of my essay
Nuclear power plants have been a controversy issue in our world for many years and it will continue to be so in the years to come. The issue of whether people should or shouldnâ€™t accept power plants to be operated has been widely debated among
asked by julie 
Psychology
I need help in finding information for the following assignment. Compare and contrast the influence of heredity and hormones on human behavior. I can find info on heredity and behavior but not a combination of hormones and heredity.
asked by James 
history
how was the iliad time and when they ocurred?
asked by isa 
Math
A microscopic organism is shown in a biology book with the length of 5.6 centimeters. If the scale of the picture is 2000:1, find the actual length of the organism.
asked by Mike 
Math
Choose 5, 10, or 100 as the most reasonable interval for the data. 15, 25, 10, 10, 5 Please explain Thanks
asked by Jimmy 
Math
if 2r=5s and 5s=6t what does r equal in terms of t?
asked by ERIC 
math
How do I find the area of a 30 ft circle?
asked by tyana 
economics
Where does Bexar County rank among texas counties in per capita income? Where does Cameron County rank among texas counties in per capita income? what was the inflation rate in hungary in 19451946?
asked by K 
human risk assessment
What are the advantages and disadvantages of animal studies and epidemiological studies for establishing doseresponse relationships?
asked by Thano 
math
2x + y = 5 5x + 3y = 11 solve by addition?
asked by yy 
Partial derivative
Hello I trying to do a problem on partial derivative. I know the partial derivative of 3x+2y with respect to x would be 3 and with respect to y would be 2. But wut if it is squarroot of 3x+2y, wut is the partial derivative of it with respect to x and y
asked by Kim 
english
what is direct speech
asked by Anonymous 
math
it wants to solve multistep inequalities. Question: 5X(2X+3)>1  >  =equals to if u didn't know wut i was talken bout
asked by kaleigh 
Math
simplify:2x+1022
asked by Dr. Greenthumb 
computer networks.
Question 1 (PIM) Assume you have a source S, and assume that some receivers have joined the shortestpath tree of S, while other receivers have joined only the shared tree. Prove that, if the network is in a steady state (no routing table changes, no
asked by Suraj 
ss
List two reasons european countries wanted to start new colonies in america?
asked by janan 
Physics
A 3.3 kg wooden block is placed on 22 degree inclined plane and is connected by a string that passes over a light friciton less pulley at the top of the incline and then attached to a hanging 3.0kg block.If the coefficient of static friction bet the 1st
asked by ricky 
Algebra
Im not even sure what this is called, teacher call's it MultiStep Equation. What are the steps to solve this problem 5X=X12 AND X/3+5=14
asked by Denver 
EnglishLord of the flies
How Jacks behaviour contrasts Ralphs and how that presents ralph as a better person.
asked by Jack 
SCI 275
define environmental sustainability. Then, list three behaviors of your own that threaten environmental sustainability. How could you change those behaviors to reduce threats to environmental sustainability?
asked by dawn 
SCI 275
Reflect on your own worldview and compare it with the three worldviews presented in the text. Provide examples of the benefits of your view to defend your position.
asked by dawn 
history
Whow is the iliad times?
asked by isa 
SCI 275
Discuss an enviromentmental problem that you feel is significant in your town or city?What are some causes? Are there any of these causes related to human values and enviromental ethnics? Explain.
asked by dawn 
social studies
need help with a speech about the strong will of charles perkins
asked by :)tegz eibz 
Math
Factor each expression. Please show me how to do it. Thanx 8x^210x+3 15X^2x2 8X^218X5 2x^25x88 3x^2+43x30 3x^2+7x2 10^289x+156 4x^2+11x+13 3x^242x+147 5x^220x+20
asked by Monte' 
science
does smell affect ability to taste colder substances? does smell affect ability to taste warmer substances?
asked by Anonymous 
geophysics
how would you exaplain how and why each of the four moon phases appear to look like they do to us here on earth?
asked by Yousra 
Algabra
I understand the part's of algerbra, i just can't figure out why people use multiplacation tables to figure out the symbol for the block cube curriculem inside of the finder's surronding. Why do they?
asked by Samantha 
geometry
Wrtite the slope intercept form of the equation of the line passing through point (5,1) and parallel to the line y=4x2.
asked by alan 
essay info help
i'm doing an argument essay on why power plants should be shut down my college is like ten miles away from this power plant so it a very big issue in my town and i want to argue against power plants. i wrote down all my arguements, but i need help coming
asked by julie 
English: DEBATING!
Hi I need help I am finding my topic quite difficult. I am the 1st speaker for affirmative team with the topic: That in life there are more snakes than ladders." Its a difficult research/investigating topic, so I'm not sure what to say, and how to do my
asked by Julie 
Journalism
If blue chippers are involved, what sport is that?
asked by Taylor 
Science
Okay, is a Internal Fracture a fracture that doen't involve surgery...or is that a External?
asked by Dawn 
music
what is an accidental? thanks.
asked by sarah 
ss
Who financed the settlement in America for england?
asked by janan 
ss
What did virginia Company choose for their new home, a boat, a peninsula an island or the woods?
asked by janan 
vocab
A political play is a(n) __________ of the government. a. argot b. satire
asked by anonymous 
science
whats an example of an electric discharge
asked by eric 
Biography
I am looking for some great, useful sights on Walt Disney for a biography I am working on. Please and thank you.
asked by anonymous 
Social Studies
Is nortordomes predictings true will the world end in four years?
asked by Allison 
prealgebra
how do you multiply and divide inequalities and work the problem out???
asked by kyana 
Biology
What is a subunit? How can I determine where Docosahexaenoic Acid has a subunit?
asked by Chris 
MATH
HOW DO YOU GRAPH THIS EQUATION AS A LINEAR EQUATION Y=1
asked by Debra 
science
how do you determine which direction cells will move toward membrane?
asked by hazeleyedgirl 
science
Where does calcite come from?
asked by aj 
Art
How does art and design affect peoples cultures, lifestyle, religion and fashion?
asked by Bianca 
Biology
Can anyone provide a good example (website or whatever) of a Pedigree chart in regards to eye colour? Help!
asked by Jen 
algebrafunctions
X Y 3 2 1 0 0 5 1 2 2 7 What is x when f(x) = 2? What is a zero of this function?
asked by Allisen