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March 28, 2015

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Total # Posts: 626

Grade 11 Physics
Oh so that the final result is 2(d-v2t) = a ________ -t2
October 5, 2008

Grade 11 Physics
Rearrange the equation : d=v2t - 1/2at(squared) to solve for a
October 5, 2008

11th grade
The arch of a bridge is a semi ellipse, the span is thirty feet and the top of the arch is ten feet above the major axis. the roadway is horizontal and is two feet above the arch. find the vertical distance from the roadway to the arch at five feet intervals in order to ...
September 28, 2008

Math
James Profit wants to take National Widget Company public. He is interested in the relationship between the size of the initial public offering and the price per share. A sample of 10 companies that recently went public revealed the following information: size($M)price per ...
September 15, 2008

Probability/Statistics
Please help!!! Smith Widget Company makes widgets for the medical industry. One particular customer requires widgets that meet FDA standards. One FDA standard requires Z-testing of at least 100 widgets at a time at the .08 level of significance. The specific standard requires ...
September 15, 2008

Population size Checkpoint
Explain the four factors that produce changes in population size. Which factors are affecting the population size in the video? What do you predict will happen to the nutria population after all the land is depleted of the nutrias’ food resource?
September 8, 2008

Ethnic Diversity
I agree..Axia needs to update,3 years later and it's the same checkpoint for the same week 5...and no new answers
September 2, 2008

ocenography
i have to search for a recent ocenaographic event to write a book report on has to be on the internet what is agood website or where should i go so i can read about it.....
August 28, 2008

Statistics
Need major help on this one. Sooo confused... Binomial distribution to solve the problems. There is a 60 percent probability that a store will sell one of Red bags to any customer who comes into the shop and views the bags. Out of the next 7 people who come into the shop, what...
August 24, 2008

Statistics
Need help! A normal distribution with a mean of 20 and a standard deviation of 2 is evaluated to solve a business problem. What is the probability that the value in the population is between 20 and 30? What is the probability that any value in the population is between 10 and ...
August 21, 2008

Stats
You are a health counselor and certified physical fitness worker for a local health club. You have been assigned to prove the beneficial results of your weight reduction program. You have pulled the files on 18 women, who all began your program six months ago and who are still...
August 13, 2008

Stats
A bank with a branch located in a commercial district of a city has developed an improved process for serving customers during the noon-to-1 p.m. lunch period. The waiting time (operationally defined as the time elapsed from when the customer enters the line until he or she ...
August 13, 2008

Stats
An article (N. Hellmich. "'Supermarket Guru' Has a Simple Mantra,” USA Today, June 19, 2002, p. 70) claimed that the typical super market trip takes a mean of 22 minutes. Suppose that in an effort to test this claim, you select a sample of 50 shoppers at a ...
August 13, 2008

Statistics .05 level
According to a survey conducted in October 2001, consumers were trying to reduce their credit card debt (Extracted from M. Price, “Credit Debts Get Cut Down to Size." Newsday, November 25, 2001, p. F3). Based on a sample of 1000 consumers in October 2001 and in ...
August 12, 2008

Statistics
testing for the differences between means of 2 independent populations where the variances in each population r unknown, u must first perform the F-test for the difference between 2 variances. Which of the following is correct? a)If the null hypothesis of the F-test is ...
August 12, 2008

Stats
If we are testing for the difference between the means of 2 independent populations presumes equal variances with samples of n1 = 20 and n2 = 20, the number of degrees of freedom is equal to a) 39 b) 38 c) 19 d) 18.
August 12, 2008

biology
they are actually five cells, sense and respond to change reproduce energy DNA
August 11, 2008

algebra
yes instead of being 612! needs to be 6!2!
August 11, 2008

algebra
i need explanation how they solved this one the answer is provided: finding the number o fdistinguishable permutations. (15!)/(4!3!612!) = 6, 306,300
August 11, 2008

math
i remember correctly i had this on one of my homeworks . 40-32 = 8 therefore 8% because if you subtract 40 - 8%
August 11, 2008

algebra
i need help in this one for the steps. find the therm that does not contain x in the expansion of ((8x) + ((1)/(2x))^8
August 11, 2008

algebra
i wrote down the incorrect problem sorry the actual problem is ((x) + ((1)/(x)))^40
August 11, 2008

algebra
i am lost in the steps i am working with binomial theorem to expand the expression. Finding the three first terms in the expanison of : ((x^2) -((1)/(2x) ^8)
August 11, 2008

Statistics
Thanks:)
August 11, 2008

Statistics-Part 2 (continued of Part 1)
a) No, and we are 90% sure of it. b) No. The proportion is 54.17%. c) Maybe. 0.60 is a believable value of the population proportion based on the information above. d) Yes, and we are 90% sure of it.
August 11, 2008

Statistics
A confidence interval was used to estimate the proportion of statistics students that are females. A random sample of 72 statistics students generated the following 90% confidence interval: (0.438, 0.642). Based on the interval above, is the population proportion of females ...
August 11, 2008

Statistics
Thanks:)
August 10, 2008

Statistics
A quality control engineer is interested in the mean length of sheet insulation being cut automatically by machine. The desired length of the insulation is 12 ft. It is known that the standard deviation in the cutting length is 0.15 ft. A sample of 70 ut sheets yields a mean ...
August 10, 2008

oceanography
i want to make sure i am answering this correctly. 1) the primary source of energy for ocean currents and waves is: the sun 2)as a wave passes in deep water, water parcels move in: almost closed circular orbits 3)which of the following is not a feature of simple waves? options...
August 8, 2008

Stats
The branch manager of an outlet of a nationwide chain of pet supply stores wants to study characteristics of her customers. In particular, she decides to focus on two variables: the amount of money spent by customers and whether the customers own only one dog, only one cat, or...
July 29, 2008

statistics help
For complete post, please see Statistics help with Statistics help Part 2 and Part 3
July 28, 2008

statistics help Part.3
The branch manager of another outlet (Store 2) wishes to conduct a similar survey in the store. The manager does not have access to the information generated by the manager of Store 1. Answer the following questions: c) What sample size is needed to have 95% confidence of ...
July 28, 2008

statistics help Part.2
- Amount of money spent: X = $21.34, S=$9.22 - 37 customers own only a dog - 26 customers own only a cat - 7 customers own more than one dog and/or cat a) Construct a 95% confidence interval estimate of the population mean amount in the pet supply. b) Construct a 90% ...
July 28, 2008

statistics help
The branch manager of an outlet (Store 1) of a nationwide chain of pet supply stores wants to study characteristics of her customers. In particular, she decides to focus on two variables: the amount of money spent by customers and whether the customers own only one dog, only ...
July 28, 2008

Math
4:6
July 16, 2008

science
what is a nanotube?
July 16, 2008

Chemistry
23
July 15, 2008

Chemistry Titration Lab HELP!
i have a titration lab with sodium hydroxide with an unknown vinegar all i know is we have 0.3 M sodium hydroxide solution (250 mL)and a 50ml burette that when titration was done the avg. of 3 trials was 27.7 mL im not sure what id write for the hypothesis of this lab or what ...
June 11, 2008

Chemistry
thanks for the answer :)
June 5, 2008

Literature-Poetry
Ashley's answers are wrong I used them and got a really really low score. Only 6 answers were right. Last time I use this to double check my answers, if I would of stuck with my original answers I might have passed but I thought I was wrong cause everyone said Ashley's...
May 28, 2008

ALGEBRA
youre my new bestfriend thanks msp!
April 16, 2008

ALGEBRA
my book says 1/5040 could you tell me how to get it
April 16, 2008

ALGEBRA
The colors red, orange, green, blue, indigo, and violet are written on slips of paper and placed in a hat. What is the probability that the slips will be chosen in the order of the colors of a rainbow (the order listed above)
April 16, 2008

I updated my intro paragraph, is it better?
Another question then. I think my teacher said the book titles are italicizesd, not underlined. What should I do?
April 7, 2008

English - Please correct this.
In both Midnight’s Children and The God of Small Things, idiosyncratic capitalizations are used abundantly in order to convey a deeper meaning from certain words in the text. This technique is employed throughout both novels in order to bring attention to the special ...
April 6, 2008

English
Well im comparing two authors in thier similar use of Capitalization in Certain Words at Certain Instances in the Book. What, in your opinion, is the PURPOSE of using caps?
April 6, 2008

English Essay Writing
Roy-Rushdie Outline 1. Introduction · Introductory Statement – In the genre of magical realism, there are two Booker Prize authors that have employed similar writing styles in their acclaimed novels. · Thesis Statement – The similarity of writing styles...
April 6, 2008

Chemistry
One half-cell of a concentration cell consists of a silver wire dipping into a 1.00 M solution of Ag+. The second half-cell consists of a silver electrode in a solution containing an unknown concentration of Ag+. The measured cell potential was determined as 226 mV at 25°C...
February 26, 2008

finance
Can someone please help me with the following question. I am not sure even where to start. A 5-year annuity of 10 $9,000 seminannual payments will begin 9 years from now, with the first payment coming 9.5 years from now. If the discount rate is 11 percent compounded ...
February 24, 2008

calculus
1. a large vertical rectangular plate of glass is to be inserted in the wall of an aquarium underwater so visitors can see into the tank fo fish. the glass is 10 feet high, 25 feet long and the top fo the glass is 3 feet below the top of the water. The pressure exerted by ...
February 12, 2008

Math
Thank you.
February 12, 2008

Math
I need to find the volume of a prism whose base is a hexagon with area 40 square mm and whose height is 30 mm.
February 12, 2008

Math
base is 40 square mm and height is 30 mm
February 12, 2008

calculus
1. a large vertical rectangular plate of glass is to be inserted in the wall of an aquarium underwater so visitors can see into the tank fo fish. the glass is 10 feet high, 25 feet long and the top fo the glass is 3 feet below the top of the water. The pressure exerted by ...
February 12, 2008

calculus
a large vertical rectangular plate of glass is to be inserted in the wall of an aquarium underwater so visitors can see into th tank of fish. the glass is 10 feet high, 25 feet long and hte top of hte glass is 3 feet below the top of hte water. the pressure exerted by water at...
February 12, 2008

chemistry-buffer
Buffer question: If I add 3 mL of 1 M NaOH to a buffered solution, will I still have a valid buffer?
February 4, 2008

Editing
Gordimer chooses to emphasise more so the physical, as opposed to emotional, invasion of the Immortality Act. Could someone please edit that sentence? It bothers me because it sounds awkward, especially the "physical, as opposed to emotional, invasion" part. Is there...
February 3, 2008

Grammer
which sentence is correct? "...an affair took place between her and dr. white" "...an affair took place between she and dr. white"
February 3, 2008

chemistry
I have already posted this and never got a response, please help. here is my data from lab: Buffer1: HPO4- weight 3.412g; original pH Buffer 2: HEPES wt: 1.090g original pH 10.08 buffer1: pH of 0.1M: 7.5; pH of 0.01: 7.72; pH of 0.001M: 7.87 buffer2: PH of 0.1M: 7.5 ph of 0.01...
February 3, 2008

chemistry
for A, correction: it is actually 50 mL of a 0.1 M TRIS. Here is the answer I got for A: A) pH= 2.3 For B, I got pH= 1.2
February 3, 2008

chemistry
I asked this before, but got no response. A) If you make up a solution of 250 mL of 0.1 M TRIS in the acid form, what will be the pH? B) If you add 2 mL of 1 M NaOH to the solution in part A, what will be the pH? Thanks.
February 3, 2008

Chemistry
An element, M, reacts with oxygen to give an oxide of formula M3O4. A sample of M of 257 mg is placed in a 500.0 mL vessel containing oxygen at 0.991 atm and 23.0°C. After cooling the vessel back to the original temperature, the pressure was 0.813 atm. Calculate the molar ...
February 2, 2008

biology
How does the pressure reading of water vapor differ from that of a gas like oxygen or nitrogen? is it because its fractional while oxygen and nitrogen is functional?
January 28, 2008

Chemistry
Calculate the entropy change of the universe (in J/K) when 43.4 g of ethanol vapor is condensed in a laboratory at 20.4 oC. Report your answer in scientific notation to three significant figures. If something is condensed, does that mean the system gaines heat, or the ...
January 27, 2008

Biology
I know this is a difficult question, and its an answer that is not likely on google, but I'm just wondering what a T-bar ribbon is, in terms of synapses and biology (not the type of sandal). The answer doesn't have to be detailed, I just simply would like to know what ...
January 22, 2008

English
please help what is the best way to introduce to yours classmate?
January 17, 2008

HELP WRITING A COLLEGE ESSAY!
Hi! For one of my college essays I have to write a 300 word essay on how "the world is better with the computer chip". I just needed some help making an outline.. I know in the intro I should probably state the revolutionary things it has done (need help finding ...
December 21, 2007

Environmental Science
Develop three guidelines based on the four scientific principles of sustainability for our use of genetic engineering and synthetic biology to modify species and ecosystems. I know the four scientific principles are: 1) Reliance on solar energy 2) Biodiversity 3) Nutrient ...
December 9, 2007

Finanacial accounting
and it says in the back of the book the inventory is 55902 cost. how did they get that?
December 3, 2007

Finanacial accounting
I am having touble how to work with the retail inventory method to estimate the companies year end inventory. i have the following information but i just do not see it with even the example in the book. It is in a 5x3 matrix of colimns and rows. what is in the parenthesis is ...
December 3, 2007

Biology
try g_o_o_g_l_e
December 3, 2007

history
I think the seminoles.
November 26, 2007

Essay $6! GRADE ME PLEASE!
I understand..I guess i'm going to have to spend a lot more time on this... It's due in 3 days so.........wish me luck. You'll probably seeing a lot more revisions to come.
November 26, 2007

Essay $6! GRADE ME PLEASE!
Hey so here's the closest thing to a final draft I have: 1) At the University of Maryland, we value a diverse community. How have your life experiences and background shaped you into an individual who will enrich the University of Maryland community? As I stood on the ...
November 26, 2007

Java
Do you know what this program is called? (asking)
November 26, 2007

English Question #1
a)Write about your academic interests and the personal or academic experiences that have led to or nurtured those interests. What did you enjoy learning about in high school either through your classes, extra curricular, leisure activities or your involvements in the community...
November 26, 2007

Essay Revision #6! GRADE ME!
Oh yea! I forgot, but I need to somehow take 15 words off of this essay to fit the 500 words or less criteria. Please tell me which sentences I could condense, or which words I could take out please!
November 26, 2007

Essay Revision #6! GRADE ME!
Hey so here's the closest thing to a final draft I have: 1) At the University of Maryland, we value a diverse community. How have your life experiences and background shaped you into an individual who will enrich the University of Maryland community? As I stood on the ...
November 26, 2007

college essay
Check the individual colleges, many of my essays are required to be less then 500 words, and in some cases less then 200.
November 25, 2007

English
In conclusion, I believe the University of Maryland offers a wonderful opportunity for me for me to experience a mix of quality education and a richly diverse environment. At the University of Maryland, I expect to be involved in a wide variety of clubs and organizations on ...
November 25, 2007

Essay#4 CONCLUSION
In conclusion, I believe the University of Maryland offers a wonderful opportunity for me for me to experience a mix of quality education and a richly diverse environment. At the University of Maryland, I expect to be involved in a wide variety of clubs and organizations on ...
November 25, 2007

Management of Information Systems
Copy and paste the essay into "Notepad", and then copy and past again into the text box. It should work.
November 25, 2007

health
It depends to what extent..for an athlete, it would be a totally different question then for an average joe..
November 25, 2007

SCI 275
If you would post your answer, someone will correct/verify it. I don't think anyone will be willing to write it for you.
November 24, 2007

Essay #4
do you think I answered the question fully?
November 24, 2007

Essay #4
1) At the University of Maryland, we value a diverse community. How have your life experiences and background shaped you into an individual who will enrich the University of Maryland community? As I stood on the balcony of my grandparents’ house in India, I watched the ...
November 24, 2007

English Easy Question!
What are some ways to say "As" in an essay. Example: As I stood watching the march, I heard the gentle tolls of the church bell.
November 24, 2007

Newester Essay
1) At the University of Maryland, we value a diverse community. How have your life experiences and background shaped you into an individual who will enrich the University of Maryland community? As I stood on the balcony of my grandfather’s house in India, I watched the ...
November 23, 2007

Newest College Essay
1) At the University of Maryland, we value a diverse community. How have your life experiences and background shaped you into an individual who will enrich the University of Maryland community? The Indian students were unaware of me standing on the balcony, watching them with ...
November 23, 2007

English College Essay
1) At the University of Maryland, we value a diverse community. How have your life experiences and background shaped you into an individual who will enrich the University of Maryland community? The students were unaware of me standing on the balcony, watching them with ...
November 22, 2007

English 12
thanks, ill finish this and repost. i wanted to develop those experiences into how i would help their community. i should be done in less then 30 minutes if youre still on then
November 22, 2007

English 12
We had to write a sample college essay; how will your diversity help the college campus? Here is my first two paragraphs: The students were unaware of me standing on the balcony, watching them with interest as they walked back from school on the narrow dirt path road. Their ...
November 22, 2007

Ap Calc AB
Find the equation of the line normal to the curve at (0,0). (Normal lines are perpendicular to the tangent lines) 2y + sinx = xcoxy I found the derivative to be (cosy - cosx)/ (2+ xsiny) then the slope tangent is 0...then the slope perpendicular is undefined...so then is the ...
October 16, 2007

Ap Calc AB
Find the equation of the line tangent to the curve at (5, -3) (x-2)^2 + (y+3)^2 = 9 I solved the derivative to be dy/dx = ((-2x+4)/ (2y+6)) when i plugged in the points (5, -3) I got the slope as -6/0...How is this possible?? How can i find the equation of this curve if the ...
October 16, 2007

Ap Calc AB
Determine (dy/dx) using implicit differentiation. cos(X^2Y^2) = x I'm really confused what to do now..i think the next steps are: d/dx [cos(X^2*Y^2)] = d/dx [x] = -sin(X^2*Y^2)* ((X^2*2Y dy/dx) + (Y^2*2X)) = 1 = -2YX^2 sin(X^2*Y^2) dy/dx + -2XY^2sin(X^2*Y^2) = 1 = -2YX^2 ...
October 16, 2007

Physics
A uniform steel beam of length 5.50 m has a weight of 4.50 103 N. One end of the beam is bolted to a vertical wall. The beam is held in a horizontal position by a cable attached between the other end of the beam and a point on the wall. The cable makes an angle of 25.0° ...
October 9, 2007

Physics
A uniform steel beam of length 5.50 m has a weight of 4.50 103 N. One end of the beam is bolted to a vertical wall. The beam is held in a horizontal position by a cable attached between the other end of the beam and a point on the wall. The cable makes an angle of 25.0° ...
October 8, 2007

Physics
thank you very much!!!
October 8, 2007

Physics
A uniform plank of length 5.1 m and weight 235 N rests horizontally on two supports, with 1.1 m of the plank hanging over the right support (see the drawing). To what distance x can a person who weighs 458 N walk on the overhanging part of the plank before it just begins to ...
October 8, 2007

Physics
hold on how do i find the mass of the planet?
October 7, 2007

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