Questions Asked on
April 21, 2009

chem
4Fe(s) + 3O2(g) → 2Fe2O3(s) Identify the type of chemical reaction represented by this equation. is it redox?
asked by Anonymous 
Chemistry
Write a word and balanced chemical equation for a burning candle. I know that the paraffin in the candle has the formula C20H42 , but I don't know what else to do...
asked by Susan 
Chemistry
lactic acid has a pKa of 3.08. What is the approximate degree of dissociation of a .35M solution of lactic acid? I do not know how to start it thanks!!
asked by Rose 
Chemistry
1. Hydrogen bromide(HBr) is a strong, highly corrosive acid and what is the pOH of a 0.0375M HBr solution? a)12.57 b)12.27 c)1.73 d)1.43 I can't fogure out what the answer should be as I don't know whether 0.0375M is the [H^+] or [OH^] If 0.0375M is the
asked by anonymous 
riddles
what do you get when you cross a stick of dynamite with a lemon pie?
asked by Anonymous 
chem
2Na(s) + 2H2O(l) ==> 2Na^+(aq) + 2OH^(aq) + H2(g) What is the the net ionic equation because it doesn't look like their is any spectator ions.
asked by Lenny 
geometry
A grain storage tank is in the shape of a cylinder covered by half a sphere. The height of the cylinder is 50 feet and its diameter is 80 feet. find the total surface area (including the base) and volume of the tank.
asked by Kristen 
physics
a bimetallic compound strip of brass and iron is 10cm long at 20C. When heated over a Bunsen burner flame the temperature of the brass rises to 800C and the iron to 750C. Calculate the difference in lengths of the iron and brass. (Ignore the bending
asked by cynthia 
Physics  important
An electron is accelerated through a uniform electric field of magnitude 2.5x10^2 N/C with an initial speed of 1.2x10^6 m/s parallel to the electric field. a) Calculate the work done on the electron by the field when the electron has travelled 2.5 cm in
asked by Linn 
physicsthermal energy
a volumetric pyrex glass is calibrated at 20C. It is filled to the 100ml mark with 35C acetone. What is the volume of the acetone when it is cooled to 20C(b=1.5x10^4C1)
asked by garrick 
Physics
What is the potential difference required to accelerate a deuteron of mass 3.3x10^27kg and charges 1.6x10^19C from rest to a speed of 5.0x10^6m/s?
asked by Lucy 
Physics
An electron is accelerated through a uniform electric field of magnitude 2.5x10^2 N/C with an initial speed of 1.2x10^6 m/s parallel to the electric field. a) Calculate the work done on the electron by the field when the electron has travelled 2.5 cm in
asked by Linn 
U.S History
What are the family origins of Latinos and of Chicanos?
asked by Taye' 
Math
A vehicle starts w/ a full tank of gasoline and travels 150 miles. While refilling the tank, the driver notes that the vehicle used (1/4) tank of gasoline in traveling the 150 miles. Assuming the vehicle averages 25 miles per gallon, approximately how many
asked by Helen 
geometry
The limestone blocks from which an ancient pyramid was made weigh about 2 tons per cubic yard. Find the approximate weight of the pyramid having a square base of length 250 yards and a height of 150 yards.
asked by Kristen 
HELP, Please, DUE TOMORROW!!!
It used to live in the southwestern United States. When it died, minerals replaced the wood fibers inside of it. What is it?
asked by Samantha 
chem
The molecular formula is: Na(s)+ H2O(l)>NaOH(aq)+H2(g) This is showing a single displacement reaction.I am not sure how to show the complete ionic equation, this is what I have so far: Na+(s)+ H+ H+O2(l)>Na+OH(aq)+H2+(g) Is this how you show it?
asked by Lenny 
Chemistry
How many grams of NaCL are required to make 250ml of a 0.4M solution?
asked by Jessi 
physics
A container has a large cylindrical lower part with a long thin cylindrical neck. The lower part of the container holds 12.5 m^3 of water and the surface area of the bottom of the container is 5.00 m^(2 ). The height of the lower part of the container is
asked by seth 
OChem
Could someone explain these two reaction mechanisms (I know they are substitution): 1) 1propanol reacted with H2SO4 and NaBr 2) 2pentanol reacted with H2SO4 and NaBr does the carbocation rearrange for the second reaction? thanks for the help!
asked by bee 
Math
Twenty equals four decreased by twice an unknown number. I need the equation and the solution please I'm almost finished!!!!!!!!!!!!!!!!!!!!
asked by Briana 
PreCal
Classify the conic and write the equation in standard form: (1) 9x^2 + 9y^2 + 18x  18y = 0 (2) 16x^2 + 16y^2  64x + 32y + 55 = 0 (3) 6x^2 + 2y^2 + 18x  10y + 2 = 0
asked by strate a stoodent 
Probabilities
A jar contains 2 red marbles, 3 green marbles, 4 blue marbles, and 5 yellow marbles. Two marbles are drawn in succession, without replacement. The probability that neither is yellow?
asked by Andrey L 
College Math
Suzy has a bag containing 5 red marbles, 2 green ones, 4 white ones, and 3 purple ones. She grabs 9 of them. Find the probability that she does not have all the green ones. Express the answer as a fraction in lowest terms.
asked by Sabrina 
math
A pine tree casts a 12meter shadow on level ground. The angle of elevation from the tip of the shadow to the top of the tree is 50 degrees. To the nearest tenth of a meter, what is the height of the pine tree? Explain
asked by Helen 
math
If a,b,c,d, and x represent positive real numbers, what is the maximum value of the function f(x)= a[cosb(x+c)]d?
asked by Helen 
Chemistry
so if the equation I'm using is 3CuSO4+2AL(NO3)3 arrow 3CU(NO3)2+Al2(SO4)3 how many moles of CuSO4 would be needed to produce 8 moles of Al2(SO4)3? Would the answer be 8?
asked by Marc 
math
An instrument store gives a 10% discount to all students off the original cost of an instrument. During a back to school sale an additional 15% is taken off the discounted price. Julie, a student at the local high school, purchases a flute for $306. How
asked by Helen 
History]
How does war create unity? Im going from the perspective of that war brings people together to support the war especially when someone has friends or family members fighting and those back home have the support from other people that are going through the
asked by Kara 
MATH
Suzy has a bag containing 3 red marbles, 2 green ones, 4 white ones, and 6 purple ones. She grabs 5 of them. Find the probability that she has 2 red ones and 1 of each of the other colors. Express the answer as a fraction in lowest terms.
asked by Sabrina 
Chemistry
What weight of NaOH would be required to prepare 3000ml of a 2.5M solution?
asked by Jessi 
social studies
What is the key aspiration people in Pennsylvania???? I am reseaching Pennsylvania for extra credit....
asked by Courtney 
science
Please help me and thank you! I need help I don't now what are the frequency for Radio waves, microwaves, ultra violet, gamma rays and x rays? Thank you!
asked by sjsjfs 
Grammar
Am I using the word pungent correctly in this sentence: I almost gagged from the pungent odor of smoke. Am I using an apostrophe correctly in this sentence: My little sister couldn't sleep in the crib located in my parents' room forever. Also, can I have a
asked by Twilight lover 
catering
According to your study unit, a catering resource that offers global networking for caterers, mentors, a caterer's telephone hotline, and many marketing opportunities is the A. International Caterers' Association. B. National Restaurant Association. C.
asked by barbie 
math
Considering all values of x and y for which x+y is at most 7, x is at least 2, and y is at least 1, what is the minimum value of y2x?
asked by Helen 
Physics  urgent
I already asked this and was given an answer, but I don't fully understand it and so would like a further explanation. What I asked was... An electron is accelerated through a uniform electric field of magnitude 2.5x10^2 N/C with an initial speed of
asked by Linn 
chemistry
how can i tell if a molecule has one of the following features incomplete octet expanded shell odd electron molecule for example BCl3 is incomplete octet but i don't know why also for B when speaking about lewis structures and the octet rules, does it
asked by ashley 
English
Hello! Next Tuesday I am teaching a class for the first time! (I am still a student) This class is going to be graded.So, the class lasts for 45 minutes.My topic is breakfast.I am teaching young learners of english as a foreign language ( first graders  7
asked by laxy 
Chemistry
My teacher says the correct way to predict/balance the equation AL+HCL yields H+AlCl3 is to balance it like this: 2Al+6HCl yields 3H2+2AlCl3. I don't get why there is a two in front of the AlCl3. Could you guide me through the logic of this please?
asked by Angeline 
SCIENCE!! YIKES!!
It used to live in the southwestern United States. When it died, minerals replaced the wood fibers inside of it. What is it?
asked by Samantha 
math
A diameter of circle that has endpoints (4,12) and (8,2), as shown below, is in the standard (x,y) coordinate plane. What point is the center of the circle? Explain
asked by Helen 
Probabilities
The odds in favor of snow today are 4:1. The probability it will snow today is?
asked by Andrey L 
Government.
The main reason why the Constitution dealt specifically with the crime of treason was that: A. The framers wanted to prevent all treason in order to protect the democracy. B. Treason was not considered a serious crime before the Constitution was written.
asked by Jonathan 
math
Each element in a data set is multiplied by 2, and each resulting product is then increased by 5. If 'm' is the mean of the final data set, which of the following expressions gives the mean of the original set in terms of 'm'? ~why is the answer
asked by Helen 
anatomy
What is the kcalorie value of a meal supplying 110g of carbs, 25g of protein, 20g of fat, and 5g of alcohol? Please help show work
asked by lizzy 
Government.
The main purpose of a city's charter is to: a. create a boundary with the county b. set out the city's basic laws c. provides a forum for public debate d. provides for an election of city officers I'm leaning towards B. But, could D be the answer?
asked by Jennifer 
math
Each element in a data set is multiplied by 2, and each resulting product is then increased by 5. If 'm' is the mean of the final data set, which of the following expressions gives the mean of the original set in terms of 'm'? ~why is the answer
asked by Helen 
organic chemistry
Instead of using 1propanol or 2pentanol, a student decided to conduct the same reaction (using Sodium Bromide and Sulfuric Acid) you did starting with 2,4dimethyl3pentanol instead. What product(s) would you predict for this reaction? Show a mechanism
asked by spirit 
math
What is the sum of root 50 and root 32? 1) root 82 2) 20 root 20 3) 9 root 2 4) root 2
asked by Anonymous 
English
I need a more formal word or phrase for saying "beat up." My sentance is something like 'he beat him up' but i`m writing a formal piece so I need to substitute the phrase for something more formal. Any ideas?
asked by Lena 
bio
Determine the number of colonies counted on the LB plate in the following transformation experiment. The amount of plasmid on the plate being counted was 0.04 micrograms. The transformation efficiency was calculated to be 4 x 10^3.
asked by Frank Minimi 
Brave New World
Have any f you read "Brave New World?" If so, I would appreciate if you could give me a thesis, or rather a main idea that i could use for my essay. I am thinking of writing about how Huxley uses new vocabulary and how words have taken a new meaning.
asked by Moi 
Science
Does Francium or Cesium have the greatest atomic radius? Thank you
asked by Jackie 
Critical Thinking
What is a true, nonsubjective, factual claim.
asked by Dave 
organic chemistry
Write a mechanism to illustrate what will happen if the addition of bromine to transcinnamic acid is syn; what do you expect the melting point of the syn addition product to be?
asked by janet 
Clauses  Grammar
Identify all the relative clauses in the following sentences. Which ones are restrictive and which are nonrestrictive? How do you know? a. My sister Mary [who lives in Florida] is coming to visit us. = nonrestrictive b. The girl [who had the most points]
asked by Nora 
engr. econ.
i have a cash flow chart here. From O to 5 years, there are five arrows pointing down even on zero and ending on five. The annual payment from 0 to five is 500 dollars. Then on 6 to 9, the arrows are increasing by a gradient of 50. So in year 6, it's 100,
asked by Anonymous 
1st grade
is this a sentence the dog rolled in a mud puddle the dog is rolling in a mud puddle
asked by Cindy 
ACC220
Select a management function (planning, directing and motivating, or controlling) and explain how that function relates to business as a whole. Next, select a different function listed by a classmate. Discuss with your classmate how the functions you each
asked by meshelle 
organic chemistry
Instead of using 1propanol or 2pentanol, a student decided to conduct the same reaction you did starting with 2,4dimethyl3pentanol. What product(s) would you predict for this reaction? Show a mechanism to account for any products you propose. How do I
asked by spirit 
Physics
A cylinder and a solid disc are released from rest from the top of a ramp.They roll down the hill without slipping. Which statement iscorrect? a. The cylinder reaches the bottom first b. The disc reaches the bottom first c. They both reach the bottom at
asked by Sandy 
Science!!
Hi!! Why don't frogs have ribs? Please Help!! Thank You!! Bye!!
asked by ~{HAPPY FACE}~ 
Chemistry
What is the molarity of a solution prepared by diluting 100g of NaH2PO4 to 1L?
asked by Jessi 
Pre Calculus.
Can someone check my answers please!!! Simplify (tan ^2 theta csc^2 theta1)/(tan^2 theta). My answer: 1 Simplify ((cos x)/(sec x1)) + ((cos x) /(sec x +1) My answer: 2cot^2 x Find a numerical value of one trigonometric function of x if (tan x/cot x )–
asked by Austin 
Math
I'm having problems with this question, to tell you the truth I don't understand the problem. Andrew is considering building a clubhouse in the shape of a rectangle. His sketch of the clubhouse is.... (its a drawing of a rectangle with 8 ft at the top and
asked by Lemar 
chemistry
How would CO2 form from the reaction of 3methyl benzoic acid with bis(trichloromethyl) carbonate (triphosgene)? Is it possible to form CO2 from a mixture of dichloro ketone in heat?
asked by jason 
business
Construct and support an argument on your decision to pursue an MBA degree to further your career, or start or achieve a goal. About 900 words.APA formated. Can someone please help me?
asked by SIMPLE 
Chemistry
If you had 6 moles in a 600ml of solution, what would be the molarity?
asked by Jessi 
CIVICS DUE TOMARROW PLZ ANSWER
Ruth Bader Ginsberg is currently an associate justice. What are her duties and responsibliites
asked by strait a student 
chemistry help
Why is hydrogen peroxide very soluble in water?
asked by peter 
arabic
i really need someone who is fluent in arabic to translate something for me "for what shall it profit a man if he shall gain the entire world and lose his only soul?" PLEASEEEEEEEEEEEEE
asked by Brianna 
organic chemistry
Write a mechanism to illustrate what will happen if the addition of bromine to transcinnamic acid is syn; what do you expect the melting point of the syn addition product to be?
asked by janet 
math
Considering all values of x and y for which x+y is at most 7, x is at least 2, and y is at least 1, what is the minimum value of y2x?
asked by Helen 
Laxy, English (ESL)
As promised, now that I had more time: Known: class is about 45 minutes long firstgrade students are about 7 years old the topic is breakfast Unknown: the ethnicity of the students the community where they live what is available in the classroom
asked by SraJMcGin 
math
which line is perpendicular to the line whose equation is 5y+6=3x? 1) y= 5/3+7 2) y= 5/3+7 3) y= 3/5+7 4) y= 3/5+7
asked by Anonymous 
Circles (Conic Sections)
I have no idea how to do these problems: Find an equation of each circle. 1. Center (3,5); tangent to the x axis 2. Center (5,3); tangent to the y axis 3. Tangent to the x axis, y axis, and the line y=5 (two answers) I just really need help understanding
asked by Amanda 
math
Considering all values of x and y for which x+y is at most 7, x is at least 2, and y is at least 1, what is the minimum value of y2x?
asked by Helen 
Song of Solomon
Thank you for your earlier responses... I have another question to ask.... Have you ever read the "Song of Songs" by Ariel and Chana Bloch? If yes, compared to the Bible's version of the "Song of Solomon" (aka Song of Songs) which version do you prefer and
asked by trish 
physics  please explain further
Can someone please explain the answer I got for a question I previously posted on this page? I don't understand the solution I was given and even when I try it, I'm not getting the right answer.
asked by Lucy 
math word problem
from 8 a.m. to noon,the temperature rose 4F. From noon to 4p.m.,it fell 3f. From 4p.m. to 8p.m. ,it fell another 6f. At 8p.m.,the temperature was 72F.What was the temperature at 8p.m.?
asked by unknown !!!!!!!!!!!!!!!!!!!! 
Language Arts
We have state testing this week [CRCT] and I'm reviewing for the Language Arts part. 8th grade students are required to know a ton of stuff by this time, but one thing I don't understand is simple, compound, and compundcomplex sentences. They confuse me
asked by mysterychicken 
math
A pine tree casts a 12meter shadow on level ground. The angle of elevation from the tip of the shadow to the top of the tree is 50 degrees. To the nearest tenth of a meter, what is the height of the pine tree? Explain
asked by Helen 
Math
Without graphing, describe the end behavior of the graph of f(x)= 5x^23x+1 as x starts from a negative value and increases the equation 5x^23x+1 curves up and peaks and comes down and passes the yintercept at (0,1) to negative infinity. I don't know
asked by Jon 
Chemistry
There are 200 mmoles NaOH/400ml. What is the molarity of the solution?
asked by Jessi 
Probabilities
Two dice are thrown and the sum of the number of dots on the dice are noted. The probability that the sum is neither 2 or 3 is?
asked by Andrey L 
Probabilities
An apartment building has 140 apartments, all renting at the same price. It is know that all the apartments can be rented if the rent is $250 per month, and that each increase in rent by $5 will result in one additional apartment becoming vacant. The rent
asked by Andrey L 
Probabilities
Company has 90 cars in stock with 4 cylinder engines and 290 with 6 cylinder engines. There are no other cars in stock. 130 of these cars, including 20 of those with 4 cylinder engines have air conditioning. One car on the lot is selected at random. The
asked by Andrey L 
COM 220
Below you will find 8 examples of thesis statements. Some a good examples and others are poor. Identify whether each statement is good or poor and your rationale for each decision. Participating in this exercises by not only stating “good” or
asked by Shannon 
database
Prove that for any relation R(X,Y) Select Select(R (X=x0) (Y=y0))) = Select (R(X=x0) and Y=y0)) What is an equivalent form of (Select(R (X=x0) or (Y=y0)))?
asked by SUE 
Poetry
Which is has a more powerful expression when used in poetry.... a simile or a metaphor.... Why?
asked by trish 
Math repost
1)Without graphing, describe the end behavior of the graph of f(x)= 5x^23x+1 as x starts from a negative value and increases the equation 5x^23x+1 curves up and peaks and comes down and passes the yintercept at (0,1) to negative infinity. I don't know
asked by Jon 
physics
Whats the physics behind this? 3 balls are placed at the top of an inclined beam. The beam, attached to a spinning platform, is spun manually. As the platform and beam slows down, the first ball rolls down the beam. The beam instantly speeds up, but slows
asked by Carlie 
Sciences fair (house insulation)
K I have to write a report on housing insulation. I'm trying to find out when people first starting using it. Any ideas?
asked by Kristen 
Math
A group of students are traveling to Six Flags. One bus has 15 fewer than 2.5 times as many students as the other bus. Write an equation to find the total number of students. So, I was wondering if x = (n x 2.5)  15, is correct?
asked by anonymous 
ell
1}why do desert people cover them selves from head to toe? 2}why do some animals stay underground during the day? please write soon thank you
asked by lenny 
chemistry
I'm filling out those missing value charts with atomic numbers, protons, charge, etc. The info i've been given is protons (4), neutrons (5), electrons (2). I got 4 for th eatomic number, and 2 for the charge. The problem is the atomic mass. Once I got 6,
asked by Angeline 
Social Studies
How might irrigation help a region's economic development?
asked by Tanisha 
Math
At a sale Jean received a discount of $10.00 on a coat marked $80.00. What was the rate of the discount?
asked by Courtney 
word puzzle
made a loud , shrill , high sound. ( 8 letter word )
asked by Eric 
To FRANK or SUE  re DATABASE
1. Please release your Caps Lock key. 2. Copying/pasting is clearly not working for you. Please type in your question by hand.
asked by Writeacher 
history
show how immigration has helped to shape America and describe some of the barriers immigrants have faced in their struggle for equality i'm stuck on this question my teacher said the best answer will begin with colonists and go up through Irish/ Asian
asked by history 
Math
If f(x)= 4x^2 and g(x)= 2/x. Find [g0f](x) g(F(x))=g(4x^2)= 2/(4x^2)= 1/(2x)^2 1/(2x)^2 = [g0f](x) This is wrong too, maybe it's suppose to be 1/(2x)^2?
asked by Jon 
BIOLOGY
What is the difference between PSI and PSII. where PS is for photosystem
asked by humaira Siddiqui 
Managerial Finance
In general the larger the portion of the firm's sales that are on credit, what happens
asked by k 
Math
I know the answer to this question, but I want to find a simpler way of doing it... Find the sum of the counting numbers from 1 to 25 inclusive. In other words, if S= 1+2+3+...+24+25, find the value of S. Thanks!!!!!
asked by Sahana 
college
American Rhetoric: Citizen Kane what are some rhetorical devices, falacies, bias, arguments, and counterarguements in this speech.
asked by Sarah 
English
I am writing a comparative essay and I am creating my introductory paragraph. Should I start it with my thesis?
asked by Lena 
3rd grade
What feature of light energy makes it different from other kinds of energy?
asked by Casey 
chemistry need help
Contrast ionic and molecular substances in terms of the types of attractive forces that govern their behavior.
asked by peter 
Business
why is market segmentation important? what are three ways firms can segment consumer markets
asked by Bryan 
medical
You need to speak to someone about additional coverage to Medicare Parts A and B. Which of the following organizations should you contact? A. TRICARE C. CHAMPVA B. Blue Cross and Blue Shield D. Indian Health Service
asked by Anonymous 
biology( heart)
Is the right heart right lung bigger than the left heart and left lung? Could you please post legitmate links that will prove this or if not some sort of explanation. Thank You
asked by Lou 
MATH
HOW DO YOU REDUCE A FRACTION?
asked by KRISTY 
percentage
a student has an avg of 57%. he has 2 test left which was are both worth 5% and 1 assigment worth 1 %. he also has 1 one big asigment worth 5%. how much would he need minimun in all these to get a 80% avg by the end of it?
asked by math 
Interview/Questions (URGENT)
Okay, I have to interview my partner for this assignment. What would be 10 good questions that I could ask him? What would you want to know about a person? Thank you very much for your assistance.
asked by John 
language
My teacher said that my narrative poem has no rhythm and sound. can you please help me fix it? PLEASE PLEASE PLEASE!! The Best Of Friends John and Fred are the closest friends They hang all day everyday They do homework together They don’t ever fight. A
asked by john 
poem
my teacher said that my poem doesnt have any rhythm or sound. can you please help me fix it and make it better? PLEASE!!! The Best Of Friends John and Fred are the closest friends They hang all day everyday They do homework together They don't ever fight.
asked by john 
ChemistryRepost
Known: Cyanaocetic acid Ka=3.55*10^3 ionization equation: HC3H2NO2 H^+ + C3H2NO2^ Unknown: pH of 0.4M of Cyanaocetic acid How can I find out the pH of 0.4M of Cyanaocetic acid ? Is there another way solving for it other than using ICE chart? Please help
asked by anonymous 
math
as a fundraiser students had to raise $1200. They will sell popcorn,at the games history shows that there are usually 120 bags of popcorn sold each game. How much money should they charge if they work 6 games.
asked by janice 
Social Studies
what are the main resources of Sudan in East Africa?
asked by Tanisha 
database
How many conflicts are there in the schedule Sa: r1(Y); r2(Y); w1(Y); r1(Z); w2(Y); w1(Z)
asked by Frank 
Math :(
When football was played in Florence, Italy, in 1530, there were 30 more layers on the field than there are in football games in the United States today. How many players were on the field for each team in 1530?
asked by Samantha 
AED 200
Help Please! Need some reliable sources for state mandated tests? I feel the test interefere with teaching. I found 2 websites with information but i still need one reliable reference.
asked by Anonymous 
algebra
3x5=5x3
asked by meliss 
Algebra
Let a be the value of the function when n is 0. The number of the first row of differences is b, the first number of the next row is c, and so on. The formula for the nth number of the series is: a + bn + cn(n1)/2! + dn(nl)(n2)/3! and so on. Find the
asked by Cassie 
5th Grade Recognition
We're having our 5th grade recognition soon and we had to write a poem for our program. Our thyme is 'Soaring to New Heights.' I have written a poem and I was hoping for some editing from you. Here is the poem: We're tiny eggs lying inside our nest where
asked by Anya 
math
5 months = to how many weeks?
asked by snnisha 
Business Law
What are the components of common law?
asked by Tara 
Chemistry
How many molecules are in 112 grams of water? Can you show me the proportion for how to do this? Thanks for your help :)
asked by Angeline 
social studies
explain the importance of the language of the romans?
asked by didi 
Math
An Octohedron (8sided solid)with sides numbered 1 through 8 is rolled What i the probability of rolling a 6
asked by Maya 
History
This is my last question. I have now completed all six of my body paragraphs. This paper has caused lots of stress and confusion and I'm very thankful for your help. How does war make stronger, better, and more worthwhile human beings? Thank You!!!
asked by Kara 
Math check please
A spring has stiffness of 100Nmm, the initial compression of the spring is 15mm, and it is then compressed to 65mm. a)Find potential energy at 15mm: K=100Nmm*1000=100000Nm Ep=Kc^2/2 Ep=(100000*0.015^2)/2 Ep=11.25 joule (ans.) b)Find Ep at 65mm:
asked by Henri 
social studies
What are three unique qualities about this colony that would draw families to Europe to live in Pennsylvania?? I am doing a school report and I am stuck on this question!! Thanks ~Taylor
asked by Taylor 
math
how would you create an equation for sec(2x) using only sec(x) and csc(x)?
asked by marie 
geographyimmigration
does anyone know where i can find a list of famous people that have immigrated into Canada??? please help!!! i need to know this to study for big test!!!
asked by martha 
11
What was one of the causes which led to the restriction on immigration?
asked by Anonymous 
math
As a fundraiser students had to raise $1200. They will sell popcorn ,at the gameshistory shows that there are usually 120 bags of popcorn sold each game. how much money should they charge if they work 6 games?
asked by janice 
math
Are diagonals longer shorter or the same size as a regular pentagon's sides?
asked by Alice 
Database
22. Which one of the following schedules has a conflict? A) Sa: r1(X); r1(Y); r2(Z); r1(Z); w1(X); w1(Z) B) Sb: r1(X); r2(X); r1(X); r1(Y); r2(X); w1(Y) C) Sc: r1(Z); r2(X); w1(Z); r1(Y); w1(Z); w2(X) D) both a and b
asked by Frank 
Business
Posted by Gina on Monday, April 20, 2009 at 2:39pm. what is ethic of following situations? 1) A researcher plans to code questionnaries in an employee survey using invisible ink. 2) A researcher is planning to videotape users reactions to a new product in
asked by Gina 
English
Hi there could you help me with this question from the novel to kill a mockingbird. Discuss the theme of personal intergrity in relation to the novel. Use examples of people who are involved in bringing out this theme. The task i am having difficulty with
asked by Taleisa 
math
what is the slope of 5x+3y=6 what is the slope of 3x5y=2
asked by Bryan 
English
How do I write a research paper ? Like How many paragraphs do I have to have ? Please help me ?
asked by Leyla 
Civics PLEASE HELP
Where can I find info on the National Board Of Directors from 1974  1980
asked by pretty girl 
social studies
who was the leader of the first permanent colony?
asked by thomas 
Chemistry URGENT
I'm filling out those missing value charts with atomic numbers, protons, charge, etc. The info i've been given is protons (4), neutrons (5), electrons (2). I got 4 for th eatomic number, and 2 for the charge. The problem is the atomic mass. Once I got 6,
asked by Angeline 
math
an early flight lasted for 12 seconds. The plane flew 144 feet. What is the plane's speed in ft/s?
asked by tanya 
Percent Composition
I figured out this percent composition problem and I got REALLY close answers, so I wanted to check in with someone to confirm if this is right. Which is the better ore for mining Aluminum: Either Al2(CO3)3 or AlPO4? For me the first one was the better
asked by Jenn 
Physical Science
Ok I need some help of course. Please help me! What are the kinds of Eletromagnetic waves? How many are there? Ultra violet, gamma rays, x rays... What are the rest of them.. Thank you!
asked by sjsjfs 
math
simplest form [9b^2]/[b^2b6]
asked by ferrer 
6th grade
How is a unit rate lie a ratio? How is it different?
asked by Hashu 
engr. econ.
homeowener is considering refinancing his home. original amount of the 30 yr loan was 250,000 at 12% compounded monthly. The owner has made ten years of payments. how much is the remaining balance on the loan. this is what I gotL r=12%, m=12,
asked by jen 
Percent Composition
I figured out this percent composition problem and I got REALLY close answers, so I wanted to check in with someone to confirm if this is right. Which is the better ore for mining Aluminum: Either Al2(CO3)3 or AlPO4? For me the first one was the better
asked by Jenn 
Math help
Complete the given ordered pair s for the equation x1=0 XY 1 2 3
asked by Bryan 
mat
Is their a free online calculator to graph linear equations? How do you graph x=y+3
asked by Bryan 
civics
Where does the national board of directions take place in.( city,state)
asked by mjjjff 
Probabilities
A bag contains 5 red, 3 green, 12 white and 7 blue marbles. One is drawn at random. With is the probability it is green if it is not red or blue?
asked by Andrey L 
Pre Cal.
If cscè= 5/4 and 180degree < è < 270 degree, find tanè. (3, 4) r=5 tan=y/x=4/3=4/3 Is this correct?
asked by Jamie 
Business Law
Why is it important to distinguish between the U.S. Constitution and statutory law?
asked by Tara 
coverting time
7 weeks to minutes or how many minutes are in 7 weeks and can you show how you did it
asked by eric 
poetry
Could you please give me a website with a rhyming dictionary?
asked by Anya 
math
an early flight lasted for 12 seconds. The plane flew 144 feet. what is the airplane's speed in ft/min?
asked by tanya 
Poem
My teacher said that my poem doesnt have any rhythm or sound. Now after I corrected can you take a look and tell me how it sound as a narrative poem? John and Fred are the closest friends Never been suspend They ride to school together They sit and study
asked by john 
math
which line is perpendicular to the line whose equation is 5y+6=3x? 1) y= 5/3+7 2) y= 5/3+7 3) y= 3/5+7 4) y= 3/5+7
asked by Anonymous 
civics
what was ruth bader ginsbergs accomplishments???
asked by mjjjff 
critical thinking
what word or phrase shows that a conclusion is up ahead
asked by Dave 
math
how would you find the intersection of these three lines 209x+323y=28677 88s+1012y=93412 31x+21y=2299
asked by marie 
Civics
what are the duties and responsibilites of the associate justice... in this present time...Thank you
asked by mjjjff 
science
what are the five properties of equilibrium
asked by jo