Thursday

February 26, 2015

February 26, 2015

Total # Posts: 2,060

**statistics**

To test the hypothesis that students who finish an exam first get better grades, Professor Hardtack kept track of the order in which papers were handed in. The first 25 papers showed a mean score of 77.1 with a standard deviation of 19.6, while the last 24 papers handed in ...
*March 1, 2010*

**heathcare**

what was champva year of establishment??
*February 28, 2010*

**physics**

PERIOD OF THE LEG The period of the leg can be approximated by treating the leg as a physical pendulum, with a period of 2pi*sqrt(I/mgh), where I is the moment of inertia, m is the mass, and h is the distance from the pivot point to the center of mass. The leg can be ...
*February 26, 2010*

**english**

expositary business communication in which way they different what part do facts play in the expository essay? what does openion play
*February 25, 2010*

**Reading**

Some readers suggest that the "weak" character in Of Mice and Men represent groups of people who were outcasts in 1930s society(for example. Lennie would represent the mentally challenged). For each of the following characters, explain how each could represent an ...
*February 21, 2010*

**Psychology**

How has early memory research concerning the growth of cognitive perspectives in psychology changed over the course of the 20th century? What are the reasons for this change?
*February 21, 2010*

**Chemistry**

DrBob222 please help me answer the question that I posted pleaseee, pleaseeee
*February 16, 2010*

**Global History**

Imperialism.. different perspectives. list 2 short-term effects of imperialism on the colonies. tell if each is positive or negative.
*February 16, 2010*

**Global History**

How was the West impacted by imperialism? list 4 effects
*February 16, 2010*

**Chemistry**

In the experiment of Nucleophilic substitution reactions: Competing Nucleophiles 1)what would happen if all the solids in the nucleophile medium were not dissolved? How might this affect the outcome of the experiment? 2)Explain the order of elution you observed while ...
*February 16, 2010*

**Global History**

list 3 effects of imperialism on the colonies. tell if each is positive or negative.
*February 16, 2010*

**Global History**

How did the French revolution inspired Latin America?
*February 15, 2010*

**Global History**

How does the Enlightenment reflect societal values of the ancient Greeks?
*February 15, 2010*

**Biology**

What is the major function/role that the nucleus plays in the life of a living cell?
*February 11, 2010*

**Intermediate Accounting**

$37800
*February 11, 2010*

**Spelling**

I need a seven letter word that means finished. The third letter is r and the fifth letter is u.
*February 10, 2010*

**Algebra 3**

Simplify: b^4(1/3b^2)(12b^-8) (12x^2Y^4)(1/2x^5y) (rs)^3(25)^-2(4r)^4
*February 8, 2010*

**Algebra 3**

Factor: 12x^3+18x 49-4y^2 x^3+1 8x^3-125 x^3+2x^2+x
*February 8, 2010*

**Math**

suppose you deposit $400 in an account
*February 7, 2010*

**Math**

Yes that is the puzzle.
*February 5, 2010*

**Math**

You have horses. I have horses. If I give you a horse, you will have half as mnay as me. If you give me a horse, I will have twice as many as you. How many horses do i have?
*February 5, 2010*

**math**

How do I solve this? Describe the locus of points z satisfying: |z+2|+|z-2|=5 z is a complex number.
*February 4, 2010*

**Algebra 3**

x^2/x^2-1 divided by 3x/x+1
*February 3, 2010*

**physics**

I have these problems that I keep doing and keep missing. If someone could please help me with what I am doing wrong! Two charges, -25 µC and +15 µC, are fixed in place and separated by 3.4 m. (a) At what spot along a line through the charges is the net electric ...
*February 2, 2010*

**Algebra 3**

Perform the indicated operations and simplify. x^2/3(square root of x-1/square root of x)
*January 31, 2010*

**Physics**

Two cars approach each other from an initial distance of 2400 m. Car A is moving to the E at a constant rate speed of 40ms. Car B is moving to the W at a speed of 10ms but is accelarating at a rate of 2.00ms^2. What is the time before the cars meet the distance a traveled ...
*January 29, 2010*

**College Algebra**

y = x + 4 y = 0 + 4 y = 4 y-intercept is 0,4 y = x + 4 y-4 = x 0 - 4 = x -4 = x x- intercept is 0,-4
*January 28, 2010*

**spanish**

Literally it means "Do you wear a uniform to school?"
*January 27, 2010*

**chemistry**

I need a single reagent that I could use to distinguish between Pb(NO3)2 solution and Hg(NO3)2 solution.
*January 27, 2010*

**UOP**

Write a response in the form of a memo from Joe Gilmore, Training Department Manager, to Christine Lancaster, Training Supervisor, regarding her idea for the next training series. The memo must not exceed 300 words.
*January 26, 2010*

**Math**

So would it be 7:1
*January 23, 2010*

**Math**

What are the odds in favor of getting at most two heads in three successive flips of a coin? This problem has to be done in ratio not fraction. Can anyone help?
*January 23, 2010*

**Math-Probability **

40000 + 3 + 50 = 13,351 $13,351
*January 23, 2010*

**social studies**

washington commanded the army in this war
*January 22, 2010*

**Geometry**

Any help would be greatful. What is the relationship between the measure of a central angle of a polygon and the measures of an interior and an exterior angle of the polygon?
*January 21, 2010*

**Math**

I am new to this website where is your reply?
*January 14, 2010*

**Math**

In each case, consider what you know about the distribution and then explain why you would expect it to be or not to be normally distributed. I am really having a hard time understanding this. Any help would be great. a. The wealth of the parents of students attending your ...
*January 14, 2010*

**Math **

So normal distributed is when you can not have a decimal such as 4.3782 (children example) & not normal distributed would be when it is ok to have a decimal
*January 14, 2010*

**Math **

In each case, consider what you know about the distribution and then explain why you would expect it to be or not to be normally distributed. I am really having a hard time understanding this. Any help would be great. a. The wealth of the parents of students attending your ...
*January 14, 2010*

**Math **

In each case, determine whether the situation calls for a discrete or continuous random variable and explain your answer. Please help! a. The description of the number of children in a family selected at random from families in Ft. Wayne, Indiana b. The net worth of an average...
*January 14, 2010*

**Math**

Is 3/16 a choice. Take 3/4 ton to divide between 4 sidewalks then you must divide the problem. Take 3/4 divide by 4 and you get 3/16. It should take them each 3/16 per sidewalk. 3/16*4=3/4
*January 14, 2010*

**Trig**

never mind. I get it.
*January 14, 2010*

**Trig**

then what's the ending point?
*January 14, 2010*

**Trig**

yes I meant horizontal shift. so PI/6 is the answer?
*January 14, 2010*

**Trig**

How do you find the H-Shift. My problem is y=5 sin(3x-pi/2).
*January 14, 2010*

**Trig**

what is 2 pi over 1/5 reduce to?
*January 14, 2010*

**chemistry**

fuels need a good supply of .... rockets often carry liquid....
*January 13, 2010*

**chemistry**

How many milliliters of 0.155 M HCl are needed to neutralize completely 35.0 mL of 0.101 M Ba(OH)2 solution?
*January 11, 2010*

**chemistry**

How would you prepare 100.0 mL of 0.07500 M AgNO3 solution starting with pure solute?
*January 11, 2010*

**chemistry**

What mass of NaOH is required to precipitate all the Fe2+ ions from 50.0 mL of 0.200 M Fe(NO3)2 solution?
*January 11, 2010*

**Advanced Biology**

Which observation supports the statement that birds are reptilelike animals? a.) bird's front limbs usually do not have useful claws b.) bird's have only two legs c.) bird's feet are covered with scaly skin d.) birds generate their own body heat I think it's c.!
*January 11, 2010*

**Advanced Biology**

I figured it out. It's C. Thanks for the help!
*January 11, 2010*

**Advanced Biology**

If a bird has a hooked bill and sharp talons, it might be a(an): a.) water bird b.) ostrich c.) bird of prey d.) perching bird I think it's a.!
*January 11, 2010*

**Advanced Biology**

At the end of the Cambrian Period, fossil evidence indicated that: A.) a great adaptive radiation of amphibians occured B.) amphibian species reached their greatest number C.) most amphibian species became extinct d.) amphibians first appeared
*January 11, 2010*

**Algebra 2**

3x+40<=x^2
*January 9, 2010*

**Trigonometry**

Given sin x = 4/7 and cos x = negative square root of 33 over 7, find cot x. I think it's square root of 33 over 4!
*January 9, 2010*

**Advanced Biology**

The cells of cellular slime molds bear a resemblance to: a) flagellated cells b) diatoms c) ciliated cells d) dinoflagllates e) amoeboid cells I think it's b!
*January 8, 2010*

**Math**

How do you measure in metric units?
*January 7, 2010*

**Trig**

We started a new lesson on Monday on identities. Our test is tommorrow. I have no idea of what I'm doing! Can somebody help me study?
*January 6, 2010*

**SCIENCE helppp!!**

self=supporting
*January 6, 2010*

**Trigonometry**

Would #7 be Sin- 3 over square root of 73 Cos- 8 over square root of 73 Tan- -8/3 Csc- square root of 73 over 3 Cot- -3/8
*January 5, 2010*

**Trigonometry**

Use the trig Identities to find the other 5 trig functions. Problem 7.)Tan(90-x)=-3/8 8.)Csc x=-13/5 9.)Cot x=square root of 3 10.)Sin(90-x)=-.4563 11.)Sec(-x)=4 12.)Cos x=-.2351 I need HELP!
*January 5, 2010*

**Civics**

What are the benefits of congressional recording studios?
*January 4, 2010*

**Civics**

thanks!
*January 4, 2010*

**Civics**

What steps does the federal government take when attempting to control sensitive national security issues? Would it be that the government attempts to control information about national security by classifying information as secret and by limiting press coverage of military ...
*January 4, 2010*

**civics**

thanks!
*January 4, 2010*

**civics**

That's suppose to be staions(stattions).
*January 4, 2010*

**civics**

What government agency limits the number of radio and television sattions a single company can own? Would it be the Telecommunications Act?
*January 4, 2010*

**Advanced Biology**

Certain_________ block prokaryotic ribosomes, but not those of eukaryotes. Certain proteobacteria________ nitrogen. The earliest life form may have been a_________ that obtained energy from inorganic compounds. The answers to these fills in a crossword puzzle.
*January 3, 2010*

**Advanced Biology**

What is a monocot and a dicot plant? I have to do a project on my plant. It is a Spotted Chinese Evergreen. Thanks!
*January 1, 2010*

**Calculus**

Integrals: When we solve for area under a curve, we must consider when the curve is under the axis. We would have to split the integral using the zeros that intersect with the axis. Would this be for all integrals? What if we just want to "find the integral", without...
*December 18, 2009*

**basics and tools of floral design**

The most commonly used wiring method is?
*December 16, 2009*

**Finite Math**

Discuss the differences between the echelon method and the gauss-jordan method for solving matrix problems? What are the pros and cons of using a calculator or computer to do these calculations?
*December 13, 2009*

**Civics**

I need help writing a one-page report on the campaign decisions made by Bush and Kerry in relation to their successes and failures.
*December 11, 2009*

**Math**

How do I find the answer of 7(5.2)?
*December 7, 2009*

**Advanced Biology**

How can muscle protein fingerprints be used to study evolutionary relationships among organisms?
*December 6, 2009*

**Math**

A state university wants to increase its retention rate of 4% for graduating students from the previous year. After implementing several new programs during the last two years, the university reevaluated its retention rate. Identify the Type I error in this context. A) The ...
*December 5, 2009*

**Advanced Bilology**

What are the methods for detecting cystic fibrosis?
*December 5, 2009*

**Advanced Biology**

In a cross of two individuals hereozygous for a single trait, what genotype and phenotype ratios would be obtained?
*December 2, 2009*

**Advanced Biology**

Are the ratios obtained in a dihybrid cross always the same? Explain.
*December 2, 2009*

**Advanced Biology**

Describe how the Principle of Segregation is show in th dihybrid cross of rabbits. I think it would be that each character seperates into a different sex cell.
*December 2, 2009*

**Advanced Biology**

Describe how the Principle of Unit Characters is demonstrated in a monohybrid cross. I thik it would be that individuals pass information on as individual traits.
*December 2, 2009*

**Governments in the past**

what type of Government do we live under in the United States
*December 2, 2009*

**Governments in the past**

why did people long ago form communities
*December 2, 2009*

**3rd grade**

Juan says when you put together unequal groups,you can only add is she correct Explain
*December 2, 2009*

**Advance Biology**

Attacked
*December 1, 2009*

**Statistics**

Im kind of confused on this question?? To help consumers assess the risks they are taking, the Food and Drug Administration (FDA) publishes the amount of nicotine found in all commercial brands of cigarettes. A new cigarette recently been marketed. The FDA tests on this ...
*November 28, 2009*

**Math**

What effect will an outlier have on a confidence interval that is based on a small sample size? A) The interval will be smaller than an interval without the outlier. B) The interval will be the same with or without the outlier. C) The confidence interval will be wider than an ...
*November 28, 2009*

**English**

Thank You...but the teacher said that it all had to be in one email...I still don't understand how that can be done...without giving her personal arrangments out to everyone else. Any ideas?
*November 28, 2009*

**English**

This is what I have so far... TO: Executive staff FROM: Crystal Minckler, Department manager DATE: November 28, 2009 SUBJECT: One-day departmental training seminar arrangements I am taking this time to inform everyone of the arrangements that have been completed for the one-...
*November 28, 2009*

**English**

You've been put in charge of planning a one-day departmental training seminar with Dr. Melanie Dobler as your speaker. You must make travel arragements for the speaker, reserve a company room large enough for the number of people attending, and requisition any necessary ...
*November 28, 2009*

**Criminal Justice**

First you might want to try and let us know the names of some of the criminals you are trying to find information about. The only thing I could suggest would be to google it.
*November 25, 2009*

**Statitic**

following data values are a simple random sample from a population that is normally distributed, with ssquared=25.0: 47, 43, 33, 42, 34, and 41. Construct and interpret the 95% and 99% confidence intervals for the population mean.
*November 23, 2009*

**English**

Great! Thank you very much for your help. I appreciate it.
*November 23, 2009*

**English**

Okay, so I will change it to Mrs. Talbot. Any other suggestions? Does the rest of it sound okay?
*November 23, 2009*

**English**

Please read this over and let me know if there are any corrections/improvements that I need to change/add..Thank you! Your boss had asked you to set up a meeting with a client, Jocelyn Talbot, for next Wednesday at 2pm. He wants to meet at the King Charles Hotel on River ...
*November 23, 2009*

**math**

x + 2x = 3x solve this first where 3x < 9 3/3 x < 9/3 divide both sides by 3 1x < or = 3 plug in 3 into the equation. 3 + 3*2 = 3*3 3 + 6 = 9
*November 23, 2009*

**Biochemistry**

A reaction A<-->B starts with equal concentration of A and B. AT equilibrium, there is twice as much B as A. What was the value of change in Gibbs Free energy when the reaction originally started if the temperature was 300k?
*November 20, 2009*

**biochemistry**

when a reaction A<-->B starts, there is three times as much product as reactant. When it reaches equilibrium, there is twice as much product as reactant. Show how to calculate the standard change in gibbs free energy for this reaction. I did it but I'm not sure if I ...
*November 20, 2009*

**Biochemistry**

A reaction A<-->B starts with equal concentration of A and B. AT equilibrium, there is twice as much B as A. What was the value of change in Gibbs Free energy when the reaction originally started if the temperature was 300k?
*November 20, 2009*

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