Questions Asked on
December 7, 2006

calc help showed work
If the function f has a continuous derivative on [0,c], the the integral(o to c) of f'(x)dx= a)f(c)f(0) b)absolute value (f(c) f(0)) c) f(c) d)f'(x)=c e)f"(c)f"(0) My work: so the the answer to the integral is f(x) and when find the answer from o t0 c,
asked by david 
ap chemistry
Discuss briefly the relationship between the dipole moment of a molecule and the polar character of the bonds within it. WIth this as a basis, account for the difference between the dipole moments of CH2F2 and CF4. does anyone have any idea? the greater
asked by someone 
AP chem
I have a problem set due tomorrow, and two problems in it were not covered in class. The first is this: Molybdenum has an atomic radius of 0.145 nm. The volume of its cubic unit cell is 0.0375 nm^3. What is the geometry of the molybdenum unit cell? I have
asked by chris 
science
When water mixes with carbon dioxide in the air, what is formed? H2O + CO2 > H2CO3 carbonic acid I don't think this is correct because there is no aid in co2. It just ends up to be CO2 in liquid form. Basically water with air is carbonated water. that is
asked by jeff 
Gases  van der waals
It turns out that the van der Waals constant b equals four times the total volume actually occupied by the molecules of a mole of gas. Using this figure, calculate the fraction of volume in a container actually ocupied by Ar atoms (a) at STP, (b) at 100
asked by Jenn 
Forces w/ tension
Assume that three blocks portrayed below move on a frictionless surface and that a 42 N force acts on the 3.0 kg block. Determine (a) the acecleration given the system, (b) the tension inthe cord connecting the 3.0kg and the 1.0 kg blocks, and (c) the
asked by Armando 
psychology
Some others are the culture you live in, the subculture (like a minority group within the culture), the neighborhood (urban, suburban, rural), the family (as mentioned by Ken) including one's relative position in the family (first born, only child,
asked by PsyDAG 
trig is killing me...
the angles of elevation of a tower at two places due west of it are 63 degrees and 56 degrees. given that the foot of the tower and the two points are on ground level and the distance between the two points is 20 meters, find the height of the tower. You
asked by holly 
EFFECTS IN RELIGION
Jenn's suggestions here are excellent: http://www.jiskha.com/display.cgi?id=1165545917.1165547272 =) WHAT ARE SOME RECENT EFFECTS ORGANIZED RELIGION HAS HAD ON SOCIAL GRUPS IN CULTURAL AND GOVERNMENT TODAYS MOST RECENT EVENTS IN THE NEWS. Here are several
asked by Writeacher 
AP chem
Second question: In the LiCl structure shown in 9.18 [LiCl's lattice, where the "Cl ions are in contact with each other, forming a face centered cubic lattice."], the chloride ions form a facecentered cubic unit cell 0.513 nm on an edge. The ionic radius
asked by chris 
science....please help me!! im clueless right now
I am doing a science project on the "Effect of humidity on the hair of mammals?" that's my topic. Now my teacher wants me to make outline but first I have to make up questions on my topic..... Can you help me make up 2 questions for this topic? Thanks a
asked by kerstin =) 
Chemistry
Does CuSO4•0H2O have a molar mass of 177.636? pteromys.melonisland.n et/scripts/molarmass.html >its a molar mass calculator I think that's right but I'm not completely sure great! thanks What does the 0 mean for mols H2O? If you intended to write CuSO4
asked by C 
chem
which of th gases is obtained industrially by fractional distillation. is it ammonia or chlorine or hydrogen or nitrogen? Nitrogen is obtained industrially by fractional distillation of liquid air.
asked by holly 
chemistry
Use the following information to identify element A and compound B, then answer questions a and b. An empty glass container has a mass of 658.572 g. It has a mass of 659.452 g after it has been filled with nitrogen gas at a pressure of 790. torr and a
asked by Sara 
geo
George and phil were playing with their fish tank again. they had a difficult time keeping their fish tank is 100 cm long, 60 cm wide and 40 cm high. they tilted the tank resting on a 60 cm edge, with the water level reaching the midpoint of the base. when
asked by Jen 
math, algebra
How is 28 a perfect number? Can someone explain this to me. all i understand that all perfect numbers end in 6 and 8. But how and why is 28 a perfect number. dimes are packaged 50 in a roll. quarters come 40 in a roll.susan b anthony dollars come in rolls
asked by Jasmine20 
calculus
f(x) = 6x^2 8x +3 how would I find the most general antiderivative of the function. I also have to check my answer by differentiation. Would I have to find the derivative first? (I got 12x 8) What are the steps to solving a problem like this? No, don't
asked by Me 
chemistry!
Of the four general types of solids [molecular, ionic, network covalent, metallic], which one[s] are generally soluble in nonpolar solvents? I'm thinking either molecular or ionic. Are either [or both] correct? molecular: like dissolves like is the rule of
asked by Alex 
Relion effects , Jen
Its asking me to do two separate things one: List first effect thesis and provide examples. THe second one is :List second effect thesis with examples. THe effects I have to think of positive as well as negative how should I word it. So you have to choose
asked by Jasmine20 
Englishessay !!!!!!!!!
First, go through and make sure capital letters are used in all the correct places. Second, make sure you have a space after every period and comma. Third, check to make sure all sentences are complete sentences. Fourth, write a conclusion. Then repost,
asked by Writeacher 
Chemistry
According to the Bohr model, what determines the color of light emitted when an electron moves from one energy level to another? The wavelength of the photon emitted depends on the difference of the two levels the electron moved from/to.
asked by Tomaya 
History
Was Kansas a state or a territory in the 1860s? I think it is a free state, but I would like some backing up. Kansas became a free state in January, 1861. Check this site for more information. http://encarta.msn.com/encyclopedia_761562435_12/Kansas.html
asked by Katie 
Science
What steps do you think can be taken to reduce the harmful effects of human activities on biogeochemical cycles? Which businesses would these changes impact the most? I think that human activities are having harmful and largescale effects on the
asked by Christy 
Managerial EconomicsPLZ HELP!
1. An autoservice establishment has estimated its monthly cost function as follows: TC = 6400 + 8 Q Where Q is the number of cars it services each months and TC represents its total cost. The firm is targeting $3,200 net monthly profit with an output
asked by Heather 
pigskin geography
which team from a state capital will visit the nation's capital for a game No state capital team will play the Washington Redskins in the remainder of this season. Check this site for the 2006 complete schedule. http://www.nfl.com/teams/schedule/WAS
asked by chris haire 
geo
George and phil were playing with their fish tank again. they had a difficult time keeping their fish tank is 100 cm long, 60 cm wide and 40 cm high. they tilted the tank resting on a 60 cm edge, with the water level reaching the midpoint of the base. when
asked by jen 
GRADE 10 MATH
ok this your supposed to use the quadratic formula i think... ok a tunnel is 4 m wide and 4 m high. /\ /  \ /____\ 4m and a truck is 2 m wide and has to drive through it (Through the middle). what is the maximum height that the truck can be? if your can
asked by trish 
trig
a church spire 82 meters high casts a shadow 62 meters long. what is the angle of elevation of the sun at that moment? make right triangle. The base is 62, and the height is 82. So, since tangent of angle = opp/adj, you can calculate the angle. thanks
asked by holly 
Englishessay !!!!!!!!!
I am a spanish speaking person, so this is my best shot. Please understand me. Thanks. Being aware of this fact, I proceed to find out what are my nonverbal listening patterns. To do so, I prepared a 500 word speech to be presented in less than half an
asked by haydee 
calc
What is dy/dx of y=12/12Xy^3 ???? Any idea anyone??? y=12/12Xy^3 I assume you mean... y=12/(12Xy^3) 12Xyy^4=12 12x dy/dx + 12y 4y^3 dy/dx=0 dy/dx (12x 4y^3)=12y solve for dy/dx
asked by nick 
Science..plz help : )
Is dog hair and human the same? And how? thanks a lot from Jessica!! Genetically it's not. If you were to look at the gene composition you'd clearly be able to tell the dog's hair from the human's hair. Shes wrong go on google and look up your question and
asked by Jessica<3 
Effects of religon
What are some effects that organized religion has had on society and what are some examples from past and/or present world events that illustrates the examples? religion has caused countless wars in world history. This includes: The Crusades, The 30 years
asked by Jasmine20 
Optimization
min 2x+y subject to: x+y+z=1 and y^2+z^2=4 Any help would greatly be apprecaited. y^2+z^2=4 > put y = 2 cos(theta) and z = 2 sin(theta) x+y+z=1 > x = 12(cos(theta) + sin(theta)) 2x + y = 2  2 cos(theta)  4 sin(theta) It's not difficult to find
asked by Dre 
Science
Does agar float in water? Yes, lowdensity agar is used in most studies
asked by Moi 
Religion
what does immanent mean? I've read the definition but I don't understand it. I know that its something about believe in god that he is in the universe. Eminent, in the religous sense is used to imply total ownership of everything by god
asked by JasminessisterKailin 
geometry
What geometric postulate justifies statement: if AB is congruent to CD and CD is congruent to EF, then AB is congruent to EF. Two geometric objects that are congruent to the same third object are congruent to each other.
asked by Nicole 
hey got a question here
hey if dy/dx= 2 why is it wrong to say that y is alwats decreasing at a rate of 2? I don't really get it. It is better to say that y is always decreasing with a slope of 2 on a graph of y(x), or at a rate of 2 per change in x. Saying that a rate is a
asked by David Lee 
Not Sure
What do a cat, checkerboard, basketball, calculator and open book have in common? Post this on the puzzle forum, link below.
asked by Joe 
chemistry
Molarity is defined as moles/volumesolution What is the molarity of a solution of silver perchlorate, AgClO 4 , if 3.2 moles of silver perchlorate is dissolved in 1.5 liters of water? Is it 2.133 M, 4.756 M, 4.8 M, or 4.810 M ? it is 4.756
asked by bobpursley 
Death of a salesman+ can someone edit my essay? th
A tragic figure is a characteristic of a dramatic tragedy. Willy is the protagonist of the play. All his life he wanted to have the American dream. He was so concerned about making it big; he did not even realize his whole life was crumbling right
asked by Willy 
Algebra
Club R has 11 members and Club T has 16 members. If a toatal of 20 people belong to the two clubs, how many people belong to both clubs?
asked by Bryan 
calc
What are the intercepting points of y^2=4x and x^2=y I set both equations equal to 0, but only get x=0 and there is another intercepting point. please help! You can solve for one of the equation and substitute it into the other equation. In this case you
asked by nick 
can someone edit my essay? thanks!
A tragic figure is a characteristic of a dramatic tragedy. Willy is the protagonist of the play. All his life he wanted to have the American dream. He was so concerned about making it big; he did not even realize his whole life was crumbling right
asked by Willy 
newspapers!
What are the advantages of being able to read newspapers from different countries? Just like getting another person's viewpoint in a personal conversation, you get other views of events from different countries via their newspapers. It might make you aware
asked by george! 
Matrix
How do you solve for this matrix. X*X^t=0? What matrix times its tranpose is zero? If we use the usual notation: A_{i,j} for the element at the ith row and jth column then, if we put: A = X X^(T) > A_{i,j} = X_{i,k}[X^(T)]_{k,j} = X_{i,k}X_{j,k} here
asked by Dre 
Pre Calculus
Formula: a = b = c
asked by Clarice 
The Merchant of Venice
Shylock Hi everyone, I'm reading Shakespeare's "The Merchant of Venice" and I am wondering how to pronounce Shylock's name. Is it pronounced like "Shylock" or like "Shlock?" Has anyone seen the play performed live and can confirm how to say the name?
asked by Ken 
HELP ME
Find two numbers whose difference is 42adn product s 405 Find two numbers whose difference is 42 and product is 405 Set up 2 equations and 2 unknowns. x  y = 42 xy = 405 Then rearrange the second so y = 405/x, and substitute this value of y into the
asked by MIchaela 
calculus help again
if f'(x)=cos x and g'(x)=1 for all x, and if f(0)=g(0)=0, then the limit x>0 fo function f(x)/g(x)= okay, so f(x)=sinx g(x)=x and the f(0)=g(0)=0 is also satisfied and equals o. so the limit x>o of sinx/x= is the answer nonexistent according to the
asked by david 
grammar
Address them? I don't know what that means. Do you mean you need to identify them? Go through the sentence one word at a time and identify each word. In that way, you'll isolate the adjectives and adverbs. Then you'll be able to complete your assignment.
asked by Writeacher 
Deforestation and Wildlife
What are relationships between deforestation and wildlife extinction? Thank you for using the Jiskha Homework Help Forum. With deforestation the animals lose their habitat. Here is an interesting site: animals.about.com/b/a/2003_08_18.htm Here is a good
asked by Tony 
books
facts and figures about books? Sheromeya, we need to know specifically what you need to know. Facts and figures about books is too general. What kind of books? What kind of facts? Please repost and we will be happy to help. what is this book about
asked by sheromeya 
algebra
What are the intercepting points of y^2=4x and x^2=y I set both equations equal to 0, but only get x=0 and there is another intercepting point. please help! Graphically, y=x^2 is positive for all values of x, whether positive or negative. The second
asked by mary 
Grammar
How Do I Work With Common And Proper Nouns? Common nouns name persons, places, things and ideas. Examples: man, friend, librarian, aunt, giraffe, ant, school, city, table, computer, beauty, religion, sadness. Proper nouns name specific persons, places,
asked by Ashley 
Resume
A link to a how to page please. Since this is not my area of expertise, I searched Google under the key words "resume write" to get these possible sources: http://jobstar.org/tools/resume/index.php http://www.howtowritearesume.org/resume_writing.htm
asked by Ken 
science
what should i compare when i am comparing solid, liquids and gases you should compare: shape, volume, and arrangement. You can also compare physical properties
asked by kasia 
plz explain or translate this question!!!
How were things resolved? what does this sentence mean? how do you write your answer for this Q? The sentence means there were two or more differing opinions, measurements or explanations about something. You are supposed to find out which is correct, or
asked by ashlee 
Math!! helppppp
How do u double 24? Thanks a lot!!
asked by Kitty 
can someone proff read my essay? thanks!
A tragic figure is a characteristic of a dramatic tragedy. Willy is the protagonist of the play. All his life he wanted to have the American dream. He was so concerned about making it big; he did not even realize his whole life was crumbling right
asked by Willy! 
can someone proff read my essay? thanks!
A tragic figure is a characteristic of a dramatic tragedy. Willy is the protagonist of the play. All his life he wanted to have the American dream. He was so concerned about making it big; he did not even realize his whole life was crumbling right
asked by Willy! 
Pre Calculus
Formula: a = b = c
asked by Clarice 
can someone edit my essay?
A tragic figure is a characteristic of a dramatic tragedy. Willy is the protagonist of the play. All his life he wanted to have the American dream. He was so concerned about making it big; he did not even realize his whole life was crumbling right
asked by Willy! 
Effects on religion, Jen
Which ones are the positive effects that organized religion has had on social groups in the past as well as in the more recently. Which ones are the negative effects that organized religion has had on social groups in the past as well as in the more
asked by Jasmine20 
Science
Which is a better bacteria killer? Bleach or hand sanitizer which contains 62% ethyl alcohol. i'm not sure but i think is the hand sanitizer. hand sanitizer ok thanks. What kind of germs? What temperature? In any case, I think bleach would be hard to beat
asked by Moi 
algebra
Can someone assist help me with the following? Simplify the expression: 6(8+3i) The answer is 23i, but I do not understand why. Think of the sign outside of the parantheses as a 1. So, you need the distributive law and multiply 1 x 8 = 8. Then 1 x
asked by Sir Galahad 
Math  Calculus
Im trying to understand related rates here and im getting stuck at this word problem. It says if V is the volume of a sphere with radius r, and the volume of the sphere decreases as the time passes. express dV/dt in terms of dr/dt. Describe the
asked by Cosmo 
physics
what are the units of wavelengh They can be any length units, but it is common to use meters for radio waves, centimeters for microwaves, micrometers for infrared, and nanometers or Angstroms (10^8 cm) for visible and ultraviolet light. Regardless of what
asked by alejandra 
list of rf values
can you give a comprehensive list of rf values. rf: Radio Frequency? I am uncertain what the context of rf is. rf probably is related to chromatography. They are the retention factors for thin layer chromatography; i.e., TLC. I looked on www.google.com an
asked by damola 
grammar
Already answered yesterday: http://www.jiskha.com/display.cgi?id=1165423247 =) Can you help me with pronoun case? Pedro Martinez`signed a baseball for Chad that he had used in a game.
asked by Writeacher 
ENGLISH political research paper topic help!
Hey, I'm trying to come up with a topic for my yearly research paper (I'm a homeschooled senior in high school). A friend of my family was just elected the Majority Whip in the PA House of Representatives, and my mom suggested that I find a topic where I
asked by Caitlin 
physics
1.The mass of a string is , and it is stretched so that the tension in it is 180 N. A transverse wave traveling on this string has a frequency of 260 Hz and a wavelength of 0.60 m. What is the length of the string? 2.A rocket engine emits of sound energy
asked by Jena 
bio (plz check answer)
Question: Calculate the frequency of the AA, Aa, and aa genotypes after one generation if the initial population consists of 0.2 AA, 0.6 Aa, and 0.2 aa. What I have done is: P = (0.2)+(0.5)(0.6)= 0.50 q = 1p = 1  0.50 = 0.50 Can someone check my answer
asked by Josh 
Health (again)
Hi! It's me again! Here is the question: How many teenagers smoke in ontario? (as recent year as you can find) 20.7 teenagers Thank you Sam!! :)
asked by Caley 
health
how much dose smoking cost Ontario canada taxoayers because of health care? plz answer asap! Your exact answer is at the following site page:
asked by sam 
General Biology
Please reviewsome I'm not sure are correct and there are a few I don't know the answers. Any help would be appreciated. Thank you. 1.
asked by ML 
english
i am writing an essay on stained glass windows. they want me to write a Working Draft Outline of Research Report and a Working Draft Bibliography/Research Rept what do i do for these?? thanks in advance http://www.ipl.org/div/teen/aplus/ At this site,
asked by cassidy 
Bio
Are there any incorrect below, also help with the questions which I could not answer would be very appreciated. Thanks. 43.
asked by ML 
biology
Question: Calculate the frequency of the AA, Aa, and aa genotypes after one generation if the initial population consists of 0.2 AA, 0.6 Aa, and 0.2 aa. What I have done is: P = (0.2)+(0.5)(0.6)= 0.50 q = 1p = 1  0.50 = 0.50 Can someone check my answer
asked by Jesse 
Grammar
Please correct every error in the sentences below. 1. African leaders are speaking out against a tradition in which widows have sex with a relative of their dead husbands because it helps to spread HIV. 2. The Ferrari was driven by a sexy woman with
asked by Tiffany 
mathI just want this check because it will be gra
Are these the correct answers and lables? 9. A hand lens increased the thickness of a line 10 to the 3rd power times.The line was 0.5 mm thick. How thick did the line appear? my ans. 500 mm thick 10. A truck holds 10 to the 4th power times more pounds
asked by chris 
mathI just want this check because it will be gra
Are these the correct answers and lables? 9. A hand lens increased the thickness of a line 10 to the 3rd power times.The line was 0.5 mm thick. How thick did the line appear? my ans. 500 mm thick 10. A truck holds 10 to the 4th power times more pounds
asked by chris 
English
Could you give me some feedback on the first page of my story for an English narrative assessment? Tell me what I could improve (descriptions, phrases, ect...) and what sounds wrong, if that's OK. Here it is: It all started the day Jules McGregor moved to
asked by Sarah 
pigments
What are the three accessory pigments in plants? http://en.wikipedia.org/wiki/Phycobilin http://en.wikipedia.org/wiki/Carotene http://en.wikipedia.org/wiki/Xanthophyll http://en.wikipedia.org/wiki/Phycoerythrobilin
asked by kieran 
Science
Why are the lanthanides and actinides moved out of numerical order and placed at the bottom of the periodic table? They aren't always, but for most periodic tables, the width would be very long, and it wouldn't fit very well on an eight by eleven piece of
asked by Matt 
english
Dr. Frankenstein flung a power switch, blue streamers of static electricity crackled about the table the creature gave a grunt and opened smoldering eyes. are you asking for it to be corrected? Dr. Frankenstein flung on the power switch and instantly, blue
asked by patricia 
math
What is the difference between any two consecutive odd numbers? 2
asked by Bryan 
Science... plz help me...
I am dong a science project on the "Effect of humidity on the hair of mammals?" Now my teacher wants me to make outline but first I have to make up questions on my topic..... Can you help me make up 2 questions? Thanks a lot from Kerstin =) This sounds
asked by kerstin =) 
Chem
What is the formula for an oxide of fluorine? F2O2 also written as O2F2
asked by Christina 
Legal Considerations
What do you think about the justice and appropriatesness of particular laws, all board member,staff and volunteers are to obey all laws in the performance of their work on behalf of Community Services? What does it tell you about the relationship between
asked by Nickey 
homework
What do you think about the justice and appropriatesness of particular laws, all board member,staff and volunteers are to obey all laws in the performance of their work on behalf of Community Services? What does it tell you about the relationship between
asked by Nickey 
Figured out question
Can't find my other post and I know the person who helped me wanted to know if it was right or no. And it wasn't. So Ff=UsFN Ff=49N Ff=ma a=6.86 on the penguin Fnet=ma FaFf=ma Fa49=6.12*6.86 Fa=90.98N There it is. Thank you.
asked by Armando 
Writing/ New York Times
i just read in the Editorial Section of the New York Times about Uinted States Losing the Good War.. You know where i can find more information on this? Every where i look its the same exact article. Where is it written not the same way but talking about
asked by Devon 
ELA
who read call Of The Wild forget about it i already got the passae ( this goes to everyone )
asked by Jose 
math
206/41 u are dividing in this one rite 5.5
asked by caylin 
anthropology
The oldest evidence for the beginings of a culture comes from? What do you mean by "culture"? By some definitions, the first cultures developed in Africa. However, the first civilization originated in Sumer in Mesopotamia (now Iraq) about 3200 B.C. This
asked by monique 
Algebra 2
Club R has 11 members and club T has 16 members. If a total of 20 people belong to the two clubs, how many people belong to both clubs? (16x)+(11x)+x=20 Answer is 7
asked by Bryan 
fractions and percents
write a percent for a $7.50 donation from a $100 check. 7.5 percent??? 7.5% = 75 OVER 100 yepp, 7.5% but if you want some explanation, here's a picture. =] i11.tinypic.c0m/44ipo50 make sure to change the "0" in the com to an "o" dumbb dumb
asked by jasmin 
word processing
How do you merge documents (from a table into a word document for example)? I think you have to have the data in a database or spreadsheet to be able to make it merge into a word processing document. I'm not sure, though. I've always done this with Works,
asked by Anonymous 
Writing/ New York Times
What do i search? It gives me no results when i search Losing the Good War on cnn. You are searching for information that is so specific that you have to be prepared for the possibility that none of it may be online. Or some may be, and some may not. In
asked by Bryan 
World/News
What is opium cultivation? I could be wrong, but I think it's the preparation of the soil for growing opium.
asked by Colby