Science HELP! (plzzz read!)

39,334 results, page 53

Stats: Joint Density Function

Let the joint density function of X and Ybe given by: f(x)={kxy^2 for 0<x<y<1 (0 otherwise what is the value of k? Can someone please help me with this? The formula I used was: ))kxy^2 dx dy (where )) is double integration both from 0 to 1). I worked it out (I think) ...

English ~CHECK MY WORK PLEASE~

*Please Note: the the answer with stars next to them are my answers. 1. Imagine you have been asked to read another article about gymnasts. It has the following title and subheads: Title: Gymnasts: For the Love of the Sport Subhead #1: The Naysayers Subhead #2: Lasting ...

science(2 QUESTIONS)

PLEASE ANSWER MY 2 QUESTIONS IN SCIENCE THANKS 3.when a negatively charged object moves in the opposite direction of an electric force field,the potential energy of the object. A.becomes zero(I PICK THIS) B.increases C.decreases D.stays the same 4.the two south pole ends of ...

Language Arts

7) While I was researching skate boards, I found an interesting old newspaper story. 8) In the June 29, 1999 edition of the Mercury, there was an article on skateboarding. 9) Some scientists in San Francisco, California filmed skateboarders in action. 10) As they studied the ...

Creative writing

I've read examples (and seen movie examples), but I'm still having trouble with the idea of writing a story within a story. Basically, a girl is writing a story about a boy, and he eventually LEARNS that he's being written about. So how do I write his story with hers being ...

archetype

would of mice and men be an archetype? why? http://www.answers.com/archetype Consider the meaning of the word; then if you decide it is an archetype, you'll have to be able to state what it's an archetype of! =) archetype: an image or symbol that is used repeatedly in art or ...

Science

I need help writing a procedure for my Earth Science class. Our teacher gave us 5 minerals and told us 5 mineral names, but we have to figure out which is which. We could do tests like specific gravity, luster, streak, and hardness. I decided to do hardness and streak. I wrote...

Science

I need help writing a procedure for my Earth Science class. Our teacher gave us 5 minerals and told us 5 mineral names, but we have to figure out which is which. We could do tests like specific gravity, luster, streak, and hardness. I decided to do hardness and streak. I wrote...

science

how many groups of birds are there and name them Since this is not my area of expertise, I searched Google under the key words "bird classification" to get these possible sources: http://www.earthlife.net/birds/intro.html http://animals.about.com/od/onlinecourse1/a/...

Science

Please help me on my science homework....Motor A uses 1000 joules of energy to move 200 newtons of force a distance of 3 meters. Motor B uses 1200 joules of energy to do the same job. What is the difference in percent efficiency between Motor A and Motor B? Percent efficiency...

English

1. Have you ever chatted with a foreigner at a chatroom? 2. Have you ever written English e-mails? 3. Have you ever taken a taxi to come to school? 4. Have you ever shopped at Home plus? 5. Have you ever sung songs at a singing room? 6. Have you ever talked to a foreigner? 7. ...

AED 201

You're an elementary teacher in a self-contained classroom. You've got a class of 29 lively sixth graders, and you've been struggling all year with classroom management. Damien, a larger than average boy, seems to resist your efforts at every turn. You like science and have ...

the awakening

In "The Awakening" by Kate Chopin, what is the "gangrene passion"? http://www.pagebypagebooks.com/Kate_Chopin/The_Awakening_and_Selected_Short_Stories/The_Awakening_Chapter_V_p1.html Use Ctrl + F and enter the word gangrene to find the passage. Read the words and sentences ...

English

Read the following poem and then respond to the question below: “I’m Nobody! Who are you?” By Emily Dickinson I’m Nobody! Who are you? Are you – Nobody – too? Then there’s a pair of us! Don’t tell! they’d advertise – you know! How dreary – to be – ...

English

What can you infer about the poet’s attitude about humanity from these lines in “Song of Myself”? These are really the thoughts of all men in all ages and lands, they are not original with me, / If they are not yours as much as mine they are nothing, or next to nothing...

ENGLISH--Please Help

Can you check this for grammar mistakes? By taking a Modern World Literature class, one should expect to read novels about cultures throughout the world, and I think Snow Flower and the Secret Fan did a wonderful job in portraying the customs and traditions of mid nineteenth ...

Legal

I am supposed to write a Legal Memo on the District Judge Charles Breyer's decision to allow or block obtaining DNA from persons arrested but not convicted. My problem is I have no idea how to write a memo or whats in it (facts, opinions, etc..). Several people in my class ...

home school

What are 3-4 writing skills that you feel are important? Why are the skills you have identified important? Begin planning your essay by using a prewriting activity, such as freewriting, mapping, brainstorming, etc. to develop ideas for your essay discussing important writing ...

English

My class and I have to write a a-z story. It can be about anything. A-Z means that each sentence has to start with each diff letter from the alphabet. So the first sentence would start with A; second sentence would start with B, etc. I want to do a story on the "The Ugly ...

the scarlet letter

why, according to nathaniel hawthorne, were there few physicians in boston? (Broken Link Removed) Be sure to read the section called Revolutionary Era. =) Another place to check would be the beginning of Chapter 9, The Leech does anyone know where i can get a modern day ...

HSM 270

I just need someone to explain this suggestion to me about a evaluation plan. I am so confused and my instructor not answering her phone. I really need help. The assignment was to describe the types of evaluations you would include in your evaluation plan and how each would ...

HSM 270

I just need someone to explain this suggestion to me about a evaluation plan. I am so confused and my instructor not answering her phone. I really need help. The assignment was to describe the types of evaluations you would include in your evaluation plan and how each would ...

Economics

What components of GDP (if any) would each of the following transactions affect? Explain. (b) Aunt Jane buys a new house. (c) Ford sells a Mustang from its inventory. (g) Honda expands its factory in Marysville, Ohio. My Answers: (b) Investment since I read that new housing is...

Teachers Aide/Language and other Barriers

18. To welcome a new Asian student into your classroom, it would be appropriate to A. greet him or her warmly with a hug. B. have the student introduce himself or herself to the class. C. have classmates greet the new student by saying “welcome” in the child...

English

Select the letter that indicates the correct noun or pronoun in the following sentence. If both choices are correct, select the pronoun. 1. The last time Kevin and Denise were here was right after ____ had broken her ankle. a.she b.Denise 2. In the magazine article I just read...

business law

Alan has authority to make purchase contracts. Alan has a friend who sells hot dogs, the friend offers Alan a vacation condo. Applying the Newspaper Test the headlines would read “ Alan awards Hotdog Contract for frien in exchange for vacation resort, food included! This ...

Language Arts

I'm researching the book To Kill a Mockingbird, by Harper Lee. I'm looking for examples to strengthen and support my thesis statement that Jem and Scout started feeling that their father was older and more feeble towards the end of Part 1. Any ideas? http://www.sparknotes.com/...

Ethics

describe the role civil disobedience played in the civil rights movement It was central. http://www.answers.com/civil%20disobedience <~~Be sure to scroll down and read Britannica's and other entries. Please note that we don't do students' homework for them. Once you have ...

Websites

Someone asked a while ago about posting web sites and I just read it. Just wondering how to post web sites. I know some can and some can't. So I'm assuming there are certain levels of permission for doing it? Is there a way to "move up" the ladder if I have been here a while? ...

language arts

Read the passage. Duke: If ever thou shalt love, in the sweet pangs of it remember me. Which of the following choices is the best restatement of the passage? A If you ever fall in love, expect it to hurt, and remember it. B I thought that you loved me, and I thought it was ...

Bacteria

What structural features of bacteria do you think help them to survive? Name four characteristics of bacteria that aid them in producting disease. http://en.wikipedia.org/wiki/Bacteria please read the link and then think about these statements: fast reproductive rate tough ...

art history

Im writing a paper on Van Gogh's cypress tree painting. I have a lot of information but is still not long enough. I was wondering if anybody knows any information that I can include. I have read that cypress trees are associated with fire, mist and sea-how can I relate this to...

physics

What will a spring scale read for the weight of a 50 kg woman in an elevator that moves as follows? (a) upward with constant speed of 3.0 m/s Enter a number.1 N (b) downward with constant speed of 3.0 m/s Enter a number.2 N (c) upward with acceleration of 0.35g Enter a number....

Math

I need an expiation on a math concept, because I know the right answer, I just don't know why it is The problem says to find the absolute maximum and minimum of the function f(x)=x^3-12x over the interval [-5, 2] I found the 1st der. 3x^2-12 and set equal to zero, got the x ...

Chemistry

how many electrons does nitrogen gain in order to achieve a noble-gas electron configuration? is it 4? Nope, it's 3. Looking across period 2, you can see that Nitrogen has 5 valence electrons. It wants 8. 8-5=3. Thanxs. How many significant figures are in the measurement 811....

english

hi can you please proof read this and make sure it sounds alright. thanks. Playboy of the Western World is a novel that invoked hostility from nationalist crowds in Dublin. Throughout the book there were several occasions where violent reactions could have occurred as well. ...

Help w/Quattro Formula

Am getting frustrated w/failing to get Quattro Pro formula right. Here's what I'm looking for: Col. A = Base period number Col. B = Given number this current period. Formula I need: If B >= A, what is %? (Example: A=20, B=30, the # I want should read 50.0, not 1.5) Further...

Child Psychology

Sara sets up an experiment with a control group and an experimental group to study how reading to preschool children may improve their first-grade reading achievement scores. In her study, the independent variable will be a. first- grade reading achievement scores. b. reading ...

Government

Why does the Constitution all the Federal Government to levy taxes? Please don't post under multiple names. It's not necessary. http://www.law.cornell.edu/constitution/constitution.articlei.html#section8 Be sure to read Article I, Section 8, of the US Constitution. =)

English

Read the conversation at a peer review for Ben’s short story. “It seems your central character has a really cool power: being able to hear what others are thinking,” Tom said. “Actually, I think it was more of a jinx,” replied Ben. “Being able to hear what people ...

L.A

Read the following stage directions and dialouge from billy Elliot: [Billy suddenly sees DAD and freezes. His reaction puzzles Mrs. Wilkinson for a second. The music comes to a standstill. Mrs. Wilkinson turns to see Dad.] DAD: You.Out.Now What do these directions and dialouge...

teachers aide curriculum comtent

which os the oldest art? (a)DRAMA/THEATER (B)PHOTOGRAPHY (C)DANCE(MY ANSWER) (D)MUSIC THE NEW ENGLISH AND LANGUAGE ARTS CURRICULUM IS BASED ON WHICH ONE OF THE FOLLOWING? (A)READING SKILLS (B)SPELLING SKILLS (C)LITERATURE(MY ANSWER) (D)WRITING SKILLS A MIDDLE SCHOOL SCIENCE ...

language arts Ms. Sue please

5. Which of the following sentences is punctuated correctly? (1 point) I'd like to go outside but I need to finish my homework first. Since Bobby's birthday is in July he isn't able to celebrate with his classmates. Even if I have to do it myself I will fix the gym's floor. ...

earth science

Science fair help..about soil.. and UV rays..? my topic is how can natural or artificial UV (ultraviolet rays) affect the humus soil and also the grass growing in it? I took 5 plants and put it near the window and the other ones i put it near an artificial (plasma black light ...

Reasearch or Term paper ideas

I am doing my bachelors in forensic science semester two... I would like to know any common topics one may write over 30pages for a research or term paper in regard with forensic science. i tried body language and anti-social behaviour, though this topic does not really suit ...

come on dont be shy

please heeeeeeeeeeelp i just need to know wat the abbreviation is for degrees celsius and millisecond.......HELP degrees C for Celsius. ms for millisecond. degrees C for Celsius. ms for millisecond. so is it c or dc????????????????????? C. You may write out degrees C as I did ...

Biology

8. Where is RNA formed? 9. Write out the pairings from DNA to RNA. 10. Where is RNA formed? To where does it travel? 11. What is the difference between mRNA and tRNA? 12. What are three bases of mRNA called? At what organelle are they read? 13. What is the purpose for mRNA? ...

science - pangaea project

I need help with science pangaea project ideas? my teacher wants a great project, and i really need the grade.? my teacher is expecting an AMAZING project from me, because apparently i'm her best student. anyways, i was thinking that i could show the movement of the pangaea. ...

math

Prove that if A is a diagonalizable matrix, then the rank of A is the number of nonzero eigenvalues of A. http://ltcconline.net/greenl/courses/203/MatrixOnVectors/symmetricMatrices.htm I've read the entire page and while it's on the correct topic, it doesn't prove what I'm ...

English SAT

Hi - i am doing english SAT practice and have a few grammar questions. 1. '60s flower child Book says an apostrophe goes before 60. Can you explain why? 2. Helen is a bright, friendly, confident girl. Book says this is correct Why is the word "and" not before confident. I ...

Physical science

1. Which of the following frequencies falls in the range of RF wavws used by commerical radio broadcasting stations a. .60 HZ b. 6,00 HZ c. 600.00 HZ d. 6,000,000 HZ 2. In a cathrode ray tube, the number of electrons that reach the fluorescent screen is controlled by the a. ...

History

In creative writing, I need to write a short historical biography by a fictional person. For example, a pioneer, or an Indian when the Pilgrims came. I have to write it from that person's point of view. I chose a soldier in General Grant's army, in April of 1863, about a month...

English Literature-Critical Thinking

Animals should serve as models for us. They are gentle, cooperative, and family-oriented creatures who fight mainly over territory and mates and rarely kill one another. Humans being engage in group warfare and slaughter one another by millions. In fact, we stop behaving like ...

early childhood education

voters have been historically nwilling to underwrite a school age child care system because a)they werent voting because they didn't have time b)two parents staying at home seemed to be a much better idea c)they believe that child care was responibility of families d)recently ...

math

What is the ratio of English and Science majors to Math and History majors, when you know that there are 400 students majoring in English and 150 students majoring in Science and 200 students majoring in Math and 300 students majoring in History?

statistics

Please read and use the following information to answer questions 11, 12, and 13: Big packages of M&M Plain Candies have a mean weight of 16 ounces with a standard deviation of .15 ounces. A chocolate loving researcher decides to a random sample of 20 big bags of M&M Plain ...

English

Read the following sentences write whether each underlined clause is the main clause or a subordinate clause The words in () are the underlined clause. We studied the Mayan calender, (which I thought was fascinating) subordinate Lyndon B. Johnson, (who was born in Stonewall,) ...

Advanced Functions

PLEASE READ THE BOTTOM I ADDED ON!! :) the ferris wheel at an amusement park measures 16m in diameter. the wheel does 3 rotations every minute. the bottom of the wheel is 1m above the ground... a) determine the simplest equation that models Megan's height above that ground(h) ...

physical science

The answer to this can be found more quickly by consulting either an online or hardcopy dictionary. Here is an online dictionary definition. Main Entry: ge·ol·o·gy Pronunciation: jE-'ä-l&-jE Function: noun Inflected Form(s): plural -gies Etymology: New ...

Biology Diffusion

This is what i read from wikipedia: "Dialysis tubing is not permeable to glucose." Is that true? Visking tubing (Dialysis tubing) DOES allow glucose molecules to pass through it right?? So what types of molecules can pass through visking tubing? Can someone tell me which of ...

PALINDROMES

ON THE NUMERS 10 AND 100, HOW MANY OF THEM ARE PALINDROMES? PLEASE LIST THEM FIND PALINDROMES THAT ARE: A MULTIPLE OF 3 A MULTIPLE OF 4 A MULTIPLE OF 9 A MULTIPLE OF 12 A SQUARE NUMBER A TRIANGULAR NUMBER I will do one or two. 33 is one palidrome divisble by 3. What is 99 ...

computers in day care

Which of the following statements about children and computers is not correct? A. Today, many children begin using computers in preschool or day care. B. Some day care providers begin computer-assisted instruction with children as young as two years old. C. When they’re ...

Literature (Handle With Care by Jodi Picoult)

Please help me if you have read Jodi Picoult's latest book, Handle with Care. I'm doing a post card on it, so any information or help you provide is greatly appreciated. ~ what do you think would be a good 2-3 sentence annotation for this book? by annotation I mean like a "...

Language

Read the poem and answer the questions that follow 1.There once was a cowboy named Ray 2. Who never had that much to say, 3. Except for the times 4. Stampedes stopped on a dime 5. When that cowboy named Ray hollered Hey 1.in which lines do you see repetition? 2. What is the ...

science

Posted by Josh on Saturday, March 17, 2007 at 10:58pm. How many grams of hydrochloric acid are required to react completely with 4.30g of zinc? How many molecules of gas will be produced? For Further Reading science - DrBob222, Saturday, March 17, 2007 at 11:07pm 1. Write the ...

science

I have a test today .

science

What are the parts of a battery and how do they function?

science

how do i calculate the sensitivity of thermometers?

science

electrical flow (11 letters)

science

bddhsbkkhfdjkfnfnfgl gibberish (9 letters)

Environmental Science

What does DNA stand for, and what does it do?

Science

What are the applications of diffraction of light?

Science

What is plant food production?

Science

What are the steps of photosynthesis and its factors?

Science

How does energy and matter relate?

science

Why clouds float so high ?

science

Why days are longer in summer ?

Science

what are independent and dependent variables?

SCIENCE

WHY IS THE SKY BLACK AT NIGHT?

science(chem)

what is a distribution coefficent?

Science

How can I triple the volume of water?

science

1 milliliter = 100,000?

science

what is the formula for calculating volume?

science

what liquid phase does a shore has?

science

how does an amoeba obtain its food.

science

How does a chemical beome neutral?

science

how much does water weigh?

science

what is the formula for calculating density?

science

what does the word menopause mean

science=///

what are 5 ways in which organisms are similar???

science

What are compound and simple eyes?

Science

methods of house insulation?

science

what is the mass in grams of 3.00 mol of Mg

Science

How are atoms held together?

Science

What does Endoplasmic Reticulum means or is?

Science

What is alteration of generation for plants?

science

describe the reaction of photosynthesis.

Science

How do I tell how many electrons are in an element?

Science

How Does Heat Energy Travel?

science

a placebo in an experiment is also know as this

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