Questions Asked on
April 30, 2009

Algebra Riddle
What Happens When the King of Beasts Runs in Front of a Train?
asked by Judy Goodwin 
organic chemistry
the crossed aldol condensation of acetaldehyde with benzaldehyde is aided by the face that benzaldehyde bears no alpha protons however a possible competitive reaction is the self condensation of two molecules of acetaldehyde. slow addition of acetaldehyde
asked by ochemfreak 
dilution
Many labs keep bottles of 3.0M solutions of the common acid on hand. Given the following molarities of the concentrated acids, determine how many mL of each concentrated acid would be required to prepare 225mL of a 3.00M solution of the acid Acid: HCl
asked by Chopsticks 
physics
A human wave. During sporting events within large, densely packed stadiums, spectators will send a wave (or pulse) around the stadium (Fig. below). As the wave reaches a group of spectators, they stand with a cheer and then sit. At any instant, the width w
asked by chirayu 
PRE*******ALGEBRA
WRITE A FUNCTION RULE TO DESCRIBE EACH SITUATION. PLEASE HELP I DO NOT UNDERSTAND THIS AT ALL. The number of pounds p(z)as a function of the number of ounces z. The selling price s(c)after a 45% markup of an item as a function of the stores' cost c. The
asked by Tanisha 
Chemistry 101
Iron reacts with hydrochloric acid to produce iron (2) chloride and hydrogen gas.Fe (s)+ 2 HCL (aq) FeCl2 (aq) + H2 (g).The hydrogen gas from the reaction 2.2g of iron with excess acid is collected in a 10L flask at 25 degrees celcius. What is the
asked by Eunice 
Chemistry 101
If 12.0g of molecular oxygen, O2, is required to inflate a balloon to a certain size at 27 degree celcius, what mass of molecular oxygen required to inflate it to the same size and pressure at 81 degree celcius?
asked by Eunice 
Chemistry 101
A gaseous compound has a density of 0.355 g/L at 17 degree celcius and 189 mmHg. What is the molar mass of the compound?
asked by Eunice 
Venn Diagram (URGENT)
What are 6 similarities between Canada and Haiti? 1. French Influence 2. 3. 4. 5. 6. Please someone help, this is urgent. thank you.
asked by John 
ap bio
a population of 600 plants contains 294 AA, 252 Aa, and 54 aa individuals. the AA and Aa produce purple flowers while the aa plants produce white flowers. what are the frequencies of the following? please show work or explain how you got it. please A.
asked by Yaneth 
probability( please help)
Given a population comprised of 30 bats, 15 gloves, and 60 balls, if sampling is random and one at a rime without replacement, what is the probability of obtaining a bat, a glove, and a bat in that order if three objects are sampled from the population?
asked by Lou 
Social Studies
How did wheat help the U.S. gain wealth and power in the world?
asked by andrew 
Social Studies
what would happen if wheat was no longer a resource to the U.S.
asked by darren 
Science
When it's winter in the northern hemisphere, it's summer in the southern hemisphere. So, if it's April in the northern hemisphere, is it still April in the southern hemisphere?
asked by Angie 
Social Studies
what would happen if wheat was no longer a resource to the U.S.?
asked by Melati 
Math
The sides of a square are all increased by 3 cm. The area of the new square s 64 cm^2. How can you find the length of a side of the original square?
asked by Angie 
calculus
Every month, a girl gets allowance. Assume last year she had no money, and kept it up to now. Then she spends 1/2 of her money on clothes, then 1/3 of the remaining money on games, and then 1/4 of the remaining money on toys. After she bought all of that,
asked by xxx 
Chemistry 101
You have a sample of gas in a flask with a volume of 250 mL. At 25.5 degrees Celcius, the pressure of the gas is 300 mm Hg. If you decrease the temperture to 5.0 degrees celcius, what is the gas pressure at this lower temperture?
asked by Eunice 
biology
1. A population which meets the hardy weinberg requirements: a. Evolves b. is small and usually isolated c. has allele frequency in equilibrium d. changes genotypic distribution from generation to generation e. always has 75% A and 25% a allele
asked by Nancy 
math
write a letter of the alphabet that has parallel lines segments in the square.
asked by mia 
Physics
An ice skater, hasa rotational inertia of I = 4 kg m2, and spins at 2 rad/sec. Her rotational inertia then undergoes a change to 2 kg m2. Which of the following is true? a. Her angular momentum remains the same b. Her angular velocity increases c. Her
asked by David 
Medical Terminology
You are a front office medical assistant. A second front office medical assistant is going to be hired, and you have been asked by the office manager to help her screen job applicants for the position. The office manager asks you to put together a short
asked by Clinard 
French
Could you please check these thanks. Directions: Respond saying yes 1. Tu vois des choses que tu aimes dans la vitrine? Answer: Oui, je vois des choses que j'aimes dans la vitrine. 2. Tu crois qu'on peut entrer dans la boutique? Answer: Oui, crois qu'on
asked by Taylor 
Compensation
How would the compensation system change if the minimum wage provision of the Fair Labor Standards Act of 1938 were repealed
asked by Jessica 
math 117
Solve the system of equations by graphing Then classify the system as consistent or inconsistent and dependent or independent
asked by shauna 
History
were can I find information about this question? The exploration and settlement of the American continents by Europeans initiated contact between Europeans, Native Americans, and slaves brought from Africa. How did these diverse interactions affect each
asked by Tasha 
spanish
"¿Qué hicieron Uds. ayer?" "Yo _____ un crucigrama y Roberta hizo un rompecabezas a. hizo b. hice c. hicieron d. hago i don't understand?
asked by y912f 
5th grade reading
2 adjectives of each main character in The Secret Garden, please.
asked by Anya 
math 117
Translate to an algebraic expression The product of 40% and some number. The translation is
asked by shauna 
CHEM
For the reaction of HNO3 is this the reaction? Is the water liquid? 2HNO3(s)> 2NO2(g)+H2O(l)+ 1/2O2(g)
asked by Sandy 
Physics
An ice skater, has a rotational inertia of I = 4 kg m2, and spins at 2 rad/sec. She then changes her rotational inertia to 2 kg m2. What is her final angular velocity? a. 4 rad/s b. 2 rad/s c. 2.8 rad/s d. 8 rad/s The answer must be A then right.
asked by David 
Quick ?
War the Worlds Solution is the title of my paper should there be an apostrophe in the word worlds? I think so but I just want to make sure I'm right.
asked by Kara 
World History
What impact did World War I have on the economy of Europe?
asked by Anonymous 
Physics
An ice skater, has a rotational inertia of I = 4 kg m2, and spins at 2 rad/sec. She then changes her rotational inertia to 2 kg m2. What is her final angular velocity? a. 4 rad/s b. 2 rad/s c. 2.8 rad/s d. 8 rad/s I say B, am i right?
asked by David 
7th grade algebra
the difference between a father's age and his son's age if the father's age is three times his son's age
asked by lele 
Algebra
I saw this posted but saw no help with it Trains A & B are traveling in the same direction. Train A is traveling at 100 mph and Train B is traveling at 110mph Train A passes a station at 1:15 pm. If Train B passes the same station at 1:45 at what time will
asked by Brandy 
Geometry
What results from the composition of reflections in two parallel lines? a. glide reflection b. dilation c. rotation d. translation Would the correct answer be d. translation?
asked by Anonymous 
history
what was america's response about joining the league of nations (after ww1)? a the public thought that america should lead the league of nations b the public generally supported the idea but wanted to play a smaller role c it supported the president and
asked by Anonymous 
space
what do the pattern of lines in a star's absorption spectrum represent?
asked by nhi 
Latin
When you're conjugating an ere verb, such as docere, when do you put the macron on the past tense forms? I know in present tense, the macron is only used for you singular+plural and we. Are ere verbs inconsistent like this, or is it consistent like the
asked by Angeline 
ALGEBRAMAT117
Trains A & B are traveling if the same direction on parallel tracks. Train A is traveling at 100 miles an hour and Train B is traveling at 110 mph . Train A passes a station at 1:15 pm If Train B passes the same station at 1:45 pm what time will Train B
asked by shauna 
Pre Algebra Math
How to write a rule for a linear function?
asked by Tanisha 
calculus
1. One day, a person went to horse racing area, Instead of counting the number of human and horses, he instead counted 74 heads and 196 legs. Yet he knew the number of humans and horses there. How did he do it, and how many humans and horses are there? im
asked by xxx 
mathematics
why would someone study mathematics
asked by stac 
spanish
is this correct? "¿Dónde está el cajón de arena?" "Está en _____." a. el oso de peluche b. el camión c. el patio de recreo d. el carrusel C?
asked by y912f 
spanish
Is this correct? "¿Tenías muchos juguetes cuando eras niña?" "No, sólo tenía dos: a. un dinosaurio y una muñeca b. un oso y un columpio c. un pájaro y un tobogán d. un carrusel y una tortuga A?
asked by y912f 
Math
how do you factor 4x^235x9=0?
asked by Angie 
math 117
I made an error on the one before this because I did not enter the equations. Solve the system of equations by graphing Then classify the system as consistent or inconsistent __dependent or independent 8x4y=16 4y8x=16
asked by shauna 
math
write the correct notation for ray from Q through P
asked by ange 
6th grade
Marco tosses two coins, a quarter and a nickel. Write a proportion that can be used to find p. the percent of times Marco can expect both coins to lanad heads up.
asked by Nando 
algebra
6x+8y=24, 8y6x=2 what is x and what is y? urgent! thanks:)
asked by xxx 
spanish
is this correct? "Cuando Osvaldo era niño, él siempre _____." "Estoy de acuerdo. Nunca decía la verdad." a. mentía b. lloraba c. reocrdaba d. obedecía A?
asked by y912f 
spanish
is this correct? ¿Adónde van algunos niños antes de ir a la escuela primaria? a. Van al patio de recreo b. Van a la guardería infantil c. Van a la universidad d. Van a la oficina B?
asked by y912f 
spanish
help, Cuando era niño, yo era muy _____. Mi madre siempre me daba todo lo que quería. a. consentido b. tímido c. desobediente d. pequeño i understand the first part of the question, "when i was a kid i was very ___." i don't understand the next part i
asked by y912f 
Math
Can you factor these for me? 12x^3 + 6x^2  3x  2 2x^2 +x  6 25  4(x^2  )^2 y^2  3y  10 (3x  1)^2 36 x^3  3x^2  16x + 48 4x^2 + 7x +3 6x^2  19x + 15 5x^4  45x^2
asked by Walker 
English
1. The earth goes around the sun. 2. The eatth moves around the sun. 3. The earth goes round the sun. 4. The earth moves round the sun. (Which one do I have to use?) 5. Many boys were sitting around the lake. 6. Many boys were sitting round the lake. (Do I
asked by John 
Hum 130
Central Beliefs in Daoism?
asked by Shayla 
Geometry
Which describes the compositions of 3 reflections in three distinct lines, two of which are parallel? a. dilation b. rotation c. glide reflection d. translation Is the correct answer c. glide reflection?
asked by Anonymous 
Astronomy  Plantet (MARS)
For an assignment I have to research Mars. Including size, temperature and gravity. My teacher wants a summary of these. Can someone please help me shorten this wall of text into like 1 paragraph? It was 1 full page before, but I took out all the technical
asked by James 
history
I have to write an essay on the role Germany had in World War 1 between 1914 and 1920. I need to have three key points but I can only think of one. So far i have a paragraph about how Germany attacked the Lusitania and killed innocent civilians. would
asked by lyne 
Chem 101
How many liters of CO2 are in 50 kg of carbon dioxide at STP?
asked by Eunice 
Math 117
In 1991 the life expectancy of males in a certain country was 73.7 years old, In 19951995 it was 77.4 years. Let E represent the life expectancy in year (t) and let (t) represent the number of years since 1991 What is the linear function fits the data. Use
asked by shauna 
Algebra I
Thanks Reiny, but I'm still lost. I understand how you multipled by 10X on the right to get 17x, but you went too fast on the left, and I have no idea how you got 10x^220 from the starting left side. Can you show each step? Thanks, Carol x  2(1/x) =
asked by Carol 
Algebra
Factor. 15x^4  18x^3 + 21x^2  9x The method that I usually use did not seem to work... so I'm not sure if I messed up or not. Please help if you can and explain how you did it! Thank you! :)
asked by Cassie 
english
OK im supposed to identify the part of speech of the word in brackets...A city must be planned [carefully], or people will not want to live in it. I think it is an adverb but im not certain.
asked by Jess 
Chemistry
Water had the lowest bp of 100C b/c it has no solute to block the movement which cause to have a lower bp when heated. Water with a solute of sugar has a slightly higher bp of 101C because it has a solute o block off some of the waters movement to the top.
asked by Chopsticks 
math
add: 2 1/2 + 3 1/4 + 3 5/8
asked by sw 
english
Can someone please give me some SIMPLE (easy for me to understand) meanings of the following poetry terms? because I am quite confused with the terms...especially alliteration, assonance,consonance, and rhyme. How can I identify them? 1. Poetry 2.
asked by anonymous 
spanish
is this correct? "¿Te peleabas mucho con tu hermana cuando eran pequeños?" "Sí, ella siempre me _____." a. coleccionaba b. caminaba c. saltaba d. molestaba D?
asked by y912f 
spanish
Cuando era pequeña, Marta siempre _____ a sus padres. a. ayudó b. ayudaba c. ayuda d. ayudas D?
asked by y912f 
algebra
Add. 4m^2yp + 6/m^y
asked by peter 
English
[j], [w] : phonetic symbols Are both consonants or vowels? They are called semivowels, but we add 'a' not 'an'. ex. a year, a woman. A is put before a consonant and an is put before a vowel, isn't it. I'd like to know about [j], and [w]. Do you have a
asked by John 
math
divide 36x^824x^6+20x^3/4x^3
asked by david 
Social Studies
Everyone, this is on history just to let you know 1. How did geography help defeat the British at Yorktown? 2. In what ways might the states have been called the Disunited States in 1781? 3. As Americans fought the revolution, what events were taking place
asked by Jake 
Precalc
NY has 560 cars for 1000 residents. The current population of NY is 12,929,000 and rate of growth of the population is 0.02%. NY license plates consists of 4 letters followed by 3 digits. What year will they need to change the way they make license plates?
asked by Xi 
Latin
If you're using the vocative case for a plural word like friends pluralized, would it be amici or amicis, or something different? Thanks!
asked by Angeline 
***Latin Urgent***
As I'm studying these prepositions to be used in the ablative case, I had a question. How do you know when to use a (with a macron) verus ab? What about e (with a macron) versus ex? Thanks for your explantion!
asked by Angeline 
history
what was the affect on the world of the irancontra affair?
asked by ken 
Chemistry
Pine trees have a pH range of what ?
asked by Catherin 
college
How would the compensation system change if the minimum wage provision of the Fair Labor Standards Act of 1938 were repealed
asked by Jessica 
Astronomy
Why is most of the mass of the solary system contained in the Sun? Briefly describe the protoplanet theory of planet formation. Please help. thanks.
asked by John 
Biology
How did eukaryotic cells develop?
asked by Liz 
General Knowledge
What is a Narwhal's horn made out of?
asked by Lena 
algebra
solve. 3x/2 + 84x/7=3
asked by jaz 
Hum 130
Countries of origin in Confucianism?
asked by Shayla 
physics :thinking check please
I think that: psi= A sin kx; is a solution to Schrodinger's time independent eqn for a particle confined: a) within an infinite pot well, and b) within the walls of a finite well;but psi= B exp(kx) would only be a solution for outside the walls of a
asked by charlie 
Social Studies
What's south asia art,architecture,and culture?
asked by phu 
Proofread
Can you please proofread this for me. My teacher said that it was done correctly. Thank you. Freedom, wealth, security, and beliefs all branch off from the main cause of war. The positive beliefs that have been expressed regarding war, tend to state that
asked by Kara 
Information Technology
Apeart from the computer, what three electronic devices contain a chip and what nfunction does it play in that specific device? Can a remote, phone and the T.V. be examples? but what function does it play in these devices?
asked by KerryAnn 
trig
I am very confused about the concepts of.. sin è = sin(180  è) sin (180 + è)= sinè tan (180  è) = tanè and how the final answer was found in this problem... Find cos 510: cos510=cos(54030) =cos30 =s.r3/2 i don't understand how we went from
asked by killie 
algebra
solve 0.070.003x+0.2=1.02
asked by kim 
spanish
is this correct? "¿Siempre obedecias a tus padres cuando era niña?" "No, era muy _____." a. obediente y bien educada b. maleducada y tímida c. consentida y bien educada d. desobediente y maleducada D?
asked by y912f 
education
What type of formative evaluation you would conduct if you were conducting a full scale group evaluation?
asked by Robin 
8th grade
what is a expirment for will water temperature change if it is heated while it has ice in it?
asked by briana 
spanish
is this correct? "De pequeño, ¿cómo eras?" "_____ que era tímido." a. lloro b. molesto c. recuerdo d. me porto A?
asked by y912f 
biology
Where can I find answers to questions about genetic alterations?
asked by jessie 
economics
What is the correct treatment of a stock dividend issued in midyear when computing the weighted average number of common shares outstanding for earnings per share purposes?
asked by sasha 
Spanish
eodns These are the letters to a spanish word what does it spell?
asked by Alan 
Algerbra I
Help me solve this. Please show me the work so I know how to do it. The difference between a number and twice it's reciprocal is 17/10.
asked by Carol 
AE
Educational Debate Persuasive Paper My topic is ***** Should Teachers Have the Authority to Remove Disruptive Students from Their Classes Permanently? **** Paper should be 1,7502,100 words long What are some good ideas to put in my paper? This is what I
asked by scooby91320002 
5th grade
Pleasee! I have a worksheet with me and i need to know how to do range and mode, somebody please tell me!
asked by meghan 
MATH 1111
College Algebra help with logarithms! Ln (x4)  Ln (x+1) = 16 How do I take natural logs?? it's a study guide question for our final exams
asked by Sammy 
Algebra
Don't understand quadratic word problems at all. Please help, with steps. One number is 8 more than another number. Their product is 273. find the numbers. The differance between a number and twice it's reciprocal is 17/10. What is the number? Thanks,
asked by Kelly 
sci 230
Why is it difficult to evaluate beliefs in relation to science?
asked by meshelle 
4th grade geography
what country and year were these manmade stone constructions built? The Great Wall Mount Rushmore Itaipu Dam Stonehenge and The Great Pyramaid
asked by Sammy 
spanish
is this correct? "¿Quiénes te cuidaban cuando tus padres trabajaban?" "_______ me cuidaban." a. Loas dinosaurios b. Los vecinos c. Los pájaros d. Los columpios B?
asked by y912f 
spanish
is this correct? "Cuando Osvaldo era niño, él siempre _____." "Estoy de acuerdo. Nunca decía la verdad." a. mentía b. lloraba c. reocrdaba d. obedecía A?
asked by y912f 
spanish
is this correct? "¿Qué coleccionabas cuando era pequeño?" "Coleccionaba _____." a. toboganes b. columpios c. animales de peluche d. cajones de arena C?
asked by y912f 
Algebra 1 8th Grade
Find each product. 1) 2t(t + 2) 2) (2n +1) * (n  4)
asked by Leila 
IT 205
Why is the waterfall model valuable to the management of information technology projects?
asked by Anonymous 
Hum 130
Ethics and morality in Hinduism
asked by Diamond 
Humanity
Ethics and morality in Confucianism
asked by DPC 
algebra need help
Add. 4m^2yp + 6/m^y
asked by peter 
Goverment
Why or why not the concept of religious freedom is relevant to today's contemporary society.
asked by D 
Algebra I
I can understand this if the steps are shown to me. Please help me explain it to my daughter! One number is 8 more than another number. Their product is 273. I got this far. X(X + 8) = 273 X^2 + 8X = 273
asked by Carol 
French
Could you please check these thanks. Directions: Complete with either payer or essayer. 1. Vous  où? (Payer) Answer: payez 2. On  à la caisse. (Payer) Answer: paie 3. Je  parce que j'invite. (Payer) Answer: paie 4. Il va  la
asked by Taylor 
Maths
Hi can anyone help me with this? 20^2 x 8^4 x 125 (x meaning multiply) I have to write in the simplest index notation. Is there a trick to rewriting the bases in terms of their prime factors? Or is it all trial and error until you come up with the right
asked by Nat 
Quick French
Les amies sont au salon. Elles ont une télé. Elles vont regarder un film. Vous etes au café. Vous avez 20 euros. Vous allez aller dans les magasins. Please check these 2. If there is anything wrong with them, please tell me so I can correct. Merci
asked by Larry 
algebra II
Simplify. 2 square root 2(5 square root 10 3 square root 2)
asked by josh 
algebra
Add. 4m^2yp + 6/m^y
asked by peter 
Physics
Here's the question I'm currently working on... What initial kinetic energy must an α particle have if it is to approach a stationary lead nucleus to within a distance of 35.9 fm? So I looked up a couple of things I thought we need for this problem. I
asked by Marissa 
cjs 250 introduction to security
how have these laws led to the historical development of security force both private and public why do you think the need for both private and public security still exist
asked by Anonymous 
Math 117
Find the domain of the function g(x)7/74x
asked by shauna 
Humanity
ethics and morality in Daoism
asked by DPC 
social studies
What is the Green Treaty Line?
asked by caleb 
French
Could you please check these thanks. Directions: Complete the following with croir. 1. Il que tout est moins cher pendant les soldes. Et vous, vous  ça aussi? Answer 1: croit Answer 2: croyez 2. Julien  que l'examen va être
asked by Taylor 
math
the sum of the weights of twin brothers if one weighs four pounds more than the other
asked by lele 
7th grade math
the difference between a father's age and his son's age if the father's age is three times his son's age
asked by lele 
PSY 210
How others view a person can influence how that person views his or her environment and those in his or her environment. People are constantly making first impressions in social, personal and professional situations What is a situation where you think it
asked by Shannen 
7th grade algebra
the value in cents of a number of quarters and the same number of nickels
asked by lele 
spanish
please please help me with this one: "¿Fueron Paula y Marta al partido de hockey?" "No pudieron ir porque _____." a. se bañaron temprano b. no se peinaron c. se secaron bien el pelo d. se levantaron tarde paula and marta played a game of hockey..? no,
asked by y912f 
7th grade algebra
the sum of the weights of twin brothers if one weighs four more pounds than the other
asked by lele 
Algebra
Find the Domain of the function g(x)=7/74x Please help me understand this better Thanks
asked by Daniel 
math
please!!! i forget!! how do u do rnage? How do u do mode?!?!
asked by meghan 
Math
If I had something like: 2x^2 + y^2 couldn I factor it into x^2 (x^2 + y^2)
asked by Lena 
math
28 81(13)
asked by sw 
math
add: 3+5 7+(11)
asked by sw 
math
find the median 22,55,43,26,33,36,43,25 answer is 33 and 36
asked by sw 
math
help with factor by grouping
asked by Bryan 
Political, Legal, and Ethical Issues in Business
Where does the legislative and judicial branches come into play with investigation and enforcement of the EPA?
asked by Scole 
Math
Ben has 4 people in his family. They have 6 cupcakes left to eat. How many cupcakes will each person get to eat?
asked by Isaiah Shields 
science
how do we see black and white
asked by jess 
economic mangement science
i need the development of money
asked by youu 
College Algebra
Another one if you can help Solve the formula for the indicated variable. N=a+b Ln (c/d) for c
asked by Sammy 
4th grade
can you convert 23 percent?  92
asked by vy 
chemistry
how can the purity of water be established?
asked by michael 
TO: SRAJMCGIN
I was going to let you know I posted a reply to your question at the bottom. On the #4 when you said I needed aller+ infintive which word needs that I don't understand what you mean.
asked by Taylor 
civics
cases that involve an act of negligence are referred to as what cases?
asked by shelby 
englisjh
what does acts mean.
asked by rashonda