Questions Asked on
May 5, 2009

chemistry
How would SiO4 Lewis structure look like? Each oxygen has 1 unfilled electron, so would there be 2 double bonds? Thanks in advance.
asked by sh 
math
Bill Shass pays a property tax of $3,200. In his community, the tax rate is 51 mills. What is Bill’s assessed value? (Round your answer to the nearest dollar amount. Omit the "$" sign in your response.)
asked by anthony 
Spanish
I need help understanding how to ask/answer questions using the word 'Que'. If the question is ?Que' estudias tu'? is the correct answer: 'Yo estudio ___' and then whatever you're studying or could I simply answer 'Estudio ____' Also, in these questions,
asked by Kara 
chemistry
An aqueous solution with a pH of 3.00 is diluted from 2.0 L to 4.0 L. Wht is the pH of the diluted solution?
asked by j 
Marine Science
Can someone please help me with the senses of a bluefin tuna? I just need a few sentences describing their senses. Like hearing, feeling, taste, smell, and sight. Thanks!
asked by Sam 
history
While the United States referred to the conflict with Mexico as the Mexican War, Mexicans called the war the North American Invasion. What do these different names suggest about each country's perspective on the war? is it because president polk wanted
asked by y912f 
Economics
Consider a monocentric city in which the cost of commuting is $10 per mile per month. A household located eight miles from the city center occupies a dwelling with 1,200 square feet at a monthly rent of $600. Nonland cost per dwelling is $200, and there
asked by eStone 
math
A planned building was going to be 100 feet long, 75 feet deep, and 30 feet high. The owner decides to increase the volume of the builing by 10% without changing the dimensions of the depth and the height. What will be the new lenght of this building? 1
asked by Anonymous 
math (this correct)
What is the difference between an equation and an expression? Include an example of each. Can you solve for a variable in an expression? Explain. Can you solve for a variable in an equation? Explain. Write a mathematical phrase or sentence for your
asked by scooby9132002 
English
Fill in the blanks below in the words in the box. (Is this sentence grammatical?)
asked by John 
Calculus
For the function f(x)=104(x^2), find a formula for the lower sum obtained by dividing the interval [0,1] into n equal subintervals. Then take the limit as n>infinity to calculate the area under the curve over [0,1]. I only need help with the first part.
asked by Jenna 
spanish
how do i say: I eat dinner at 7:00. in spanish? Yo como (how do you say dinner?) a las siete ?
asked by y912f 
Math
What is the difference between an equation and an expression? Include an example of each. Can you solve for a variable in an expression? Explain. Can you solve for a variable in an equation? Explain. Write a mathematical phrase or sentence for your
asked by scooby9132002 
Math
I need help with these three problems. I cant figure them out. 3. The difference of two numbers is tripled. The result is decreased by 1. If the lesser of the two numbers is 4 the result is 8.3. Find the greater number. 4. A number increased by 21 is
asked by Math 
SpellingAnalogies
Fifteen:five::nine:___________?
asked by Vivianne 
German
What is this in german? My english teacher has long brown hair and brown eyes. She is very tall and quite slim. She is a good teacher and is very nice. My mum has black hair and dark brown eyes. She is very tall. She is very caring but can be quite mean
asked by Nabby 
history
While the United States referred to the conflict with Mexico as the Mexican War, Mexicans called the war the North American Invasion. What do these different names suggest about each country's perspective on the war? i'm so stuck on this quesiton, please
asked by y912f 
Physical Science
How are energy, work, and power related?
asked by Tyler 
spanish
please check/revise this one last time: Por la mañana yo me despierto a las ocho y media. Primero me cepillo los dientes y el pelo. Luego como el desayuno. Por las nueve, empiezo mi tarea. Primero trabajo en trígonometria. Luego preparo el inglés, la
asked by y912f 
math
Tne union of the set of rational numbers and the set of irrational numbers is 1 {whole number} 2 {real numbers} 3 {counting numbers} 4 {}
asked by Anonymous 
Algebra
Solve by substitution method. 6x+9y=12 5x+y=27 What is the solution of the system? Type an ordered pair... Please help Thanks!
asked by Sadie 
algebra
Write an equation in standard form for a line passing through the pair of points. (5,3) and (3,8)
asked by mike 
Physics
In the Bohr model of the hydrogen atom, the speed of the electron is approximately 2.41 × 106 m/s. Find the central force acting on the electron as it revolves in a circular orbit of radius 5.15 × 10−11 m. Answer in units of N. Find the centripetal
asked by Amanda 
Economics
In a place rice growers burn their field to stabilize their fields the field burning causes pollution, the alternative sanitizing method costs $150 per acre. Consider a country where rice farmers are willing to pay $500 per acre for land and corn farmers
asked by eStone 
LITERATURE
In Twain's "The Private History of a Campaign that Failed," Smith, the blacksmith's apprentice, is given "ultimate credit" for
asked by Anonymous 
Chemistry
since nucleic acis have charged phosphate groups, DNA and RNA contain lots of negative charges. Would you suspect that DNA and RNA are soluble in polar solvent like water?
asked by Heather 
Career
But please just give me atleast some very good suggestion!! I am really confused !! Please give me some topics Thank Yoou !!
asked by Catherin 
Chem
Mg reacts with 150 mL of 6.00M Hcl through single replacement to produce hydrogen gas. How many liters of hydrogen gas are produced? (tell me how you got it please)
asked by druva 
PreAlgebra
Can someone show me how to answer these questions stepbystep? Thanks! Solve the equation for y in terms of x 1.2x + 7= y 2. x 2/3y= 3 3.12x + 3y = 48 Give any three ordered pairs that are solutions of the equation 4. 1/4y  x =0 5. 5x  y= 5 MC
asked by mysterychicken 
math
Seth tossed a fair coin five times and got five heads. The probability that the next toss will be a tail is 1 0 2 5/6 3 1/6 4 1/2
asked by Anonymous 
chemistry concentrations
Can someone please help me with the following problem? 1.Calculate the volume of 1.88 M NaI that would be needed to precipitate all of the Hg+2 ion from 482 mL of a 1.61 M Hg(NO3)2. The equation for the reaction is thank you!
asked by jamie 
Music
Okay! I know lots of you out there like music! does anyone know any good Antibullying song? Please have a song that will work with the following Guitarist Bassist singer drummer violin (optianal)  try to make it a upbeat song Thanks everyone!
asked by Andy 
Grammar
Can you please check these? Thanks. Vowel Pairs: freezing rain sleet beat gray streets blue play Kay raisin feel easy Vowel Digraphs: looked said caught headline said school because heavy weather good sleigh said could neighbor bread instead
asked by Claire 
French
How do you conjugate devenir in futur simple? is it deveniras?
asked by Baylee 
math
Two cards are drawn without relplacement from a shuffled deck of 52 cards. Determine the probability of each event. a)The first card is a heart and the second card is Q of hearts. P(BlA)=P(A&B)/P(A) (13/52)(1/51)/(1/4) = 1/51 How is this method incorrect?
asked by sh 
Chemistry
If one strand of DNA has the sequence AATCCGTAGCTC, what would be the sequence of its complementary strand?
asked by Heather 
language(involes songs)
Hi, for a language project i have to make up a "lady" and my title is lady of the fire. When i present to the class i need to play part of a song(the song has to have no words)and it has to do with my title so, "fire" i guess or music that sort of goes
asked by Sarah 
English 10 Cp
what are some examples that would be good at persuading that high school athletes must maintain a passing grade in each class to be eligible to play? like bing resposible for doing both...what else? please help!!
asked by live laugh love! 
Really Quick French
Define/translate: rien venir culturelle I'm have trouble translating/defining these in english. Merci
asked by Larry 
chemistry
what are structural formulas?? also is this correct hybridization is the setting aside of p orbitals in order to form bonds (pi bonds)
asked by lyne 
Math
what is an example of a math expression? Can you solve for a variable in an expression? Explain. Can you solve for a variable in an equation?
asked by scooby9132002 
8th Grade Algebra
Multiply. 1) (3t^2  2t  4) * (5t + 9) Writing. 1) Explain why the product of a quadratic polynomial and a linear polynomial must be a cubic polynomial.
asked by Bridget 
english
agistnonagist refencea
asked by shirley 
Algebra
Write a quadratic equation in the variable x having the given numbers as solutions. Type the equation in standard form ax^2+bx +c = 0 The solution is 6 only solution.
asked by aaron 
physics
What would the energy be if an alpha particle's mass disappeared and was completely converted to energy?
asked by Anonymous 
Algebra
I need a jump start in setting up the equations etc when solving for vertex, line of symmetry and deciding maximum/minimum This is the problem I am starting with f(x)= 2x^2+2x+8 We are looking for the vertex, line of symmetry and the max/minimum I cannot
asked by deranged 
Math
What do you get when you factor 2q^2+22q=60? Is there more than one answer possible? I got 2 answers: 1. (2q+10)(q+6) 2. (2q+12)(q+5)
asked by Angie 
business email
meeting with a client , Joycelyn TALBOT, for next wednesday at 2:00pm.he wants to meet at the king charles hotel on river street and have a lunch meeting . he will be taking along an assistant manager , rory webster, to share his ideas for the new proje
asked by unknown 
Math
First find an estimate of the quotient. then find the exact quotient. 5 1/2 divide 3 4/7
asked by Bryan 
Calculus
The problem I have is a summation from 1 to infinity for (1)^n/n. I have to find a partial sum that is in 0.001 of the infinite sum, my teacher says the fourth partial sum approximates the infinite sum, which is 7/12. I think to get within 0.001 of the
asked by Sophie 
English
My Recipe for Making a Salad Ingredients: lettuce, potatoes, cucumber, tomato, cheese, dressing How to make it 1. I rinse some lettuce by running water over it. 2. I drain it in a colander. 3. I also rinse some potatoes and cucumbers. 4. I slice them with
asked by John 
sra JmcGuin spanish
hi What is the opposite of el nido, sudoir, el ave nido is nest? sudior is sweat?
asked by sam 
physics
Suppose 32000 radioactive nuclei are in a sample. About how many remain after two days if the halflife is 22 hrs? What is the initial activity of the sample in decays per minute?
asked by Anonymous 
Physical Chemistry
In my physical chemistry book, I'm reading about "Margules Equations": ln γA = ΒxB2 ln γB = ΒxA2 I don't understand where these equations come from. How is it known that there is a single constant Β that satisfies both relationships?
asked by Sean 
algebra story problems
You have a metal plate that you have drilled a hole into. The entire area enclosed by the metal plate is given by 5x^2 = 12x + 10 and the area of the hole is given by x^2+2. Write an expression for the area in factored form of the plate that is left after
asked by Bailey 
Algebra
Solve. 4t^3 + 11t^2 + 6t = 0 I am having a little trouble with this one. Please help if you can. Thank you! :)
asked by Cassie 
french
Le train part _____. a. da la voie b. du chariot c. la queue I think it is A?
asked by sophie 
spanish
please revise my spanish part, make corrections, and add accent where needed: In the morning I wake up at 8:30 a.m. The first thing I do is brush my teeth and comb my hair. Then i eat breakfast. By 9:00 a.m., I start my schooling (home). The first thing I
asked by y912f 
Language Arts
I have to write a personal essay and I was wondering if someone could peer revise my first paragraph: The school bell rang. Clusters of children jumped off playground equipment and sped through the schoolyard. I clung to my father’s leg even tighter. He
asked by anonymous 
spanish
what does the question and answers mean? "¿Cómo iba Ud. a la escuela primaria?" "Generalmente _____." a. caminaba b. lloraba c. me portaba mal d. molestaba awalk? bcry? cbehave bad? dannoy/bother?
asked by y912f 
chemistry
how would you determine the % of ionic/covalent char. in the bond? this is on my test review and don't remember learning it
asked by lyne 
psychology
I need some datas to help me understands the following: What are the four Ds? Briefly describe each one. How can culture determine what is considered abnormal?
asked by Rose 
English
Has anyone read the book the long winter by laura ingalls wilder? We have to find the theme. I'm not sure the theme of this book. If anyone has any information it is greatly appreciated. Thank you.
asked by Morgan 
English 10 Cp
Ok...so I need to write a persuassive essay for my class, but there is one problem... I don't know what to write about!!!!! Any good topics out there? thanks
asked by M. 
Algebra
3/8 (5+6x)+3> 21
asked by Sadie 
Spanish 1
How do you say these in spanish??? Please and thank you. 3. 7:40 4. 3:55 6. 12:45
asked by James 
Physical Science
I've answered these two questions and need someone to check them for me: 1.Describe two characterisitics that light and sound have in common. Ans They both transfer energy [and I need help thinking of a second one] 2.Describe two ways in which light and
asked by mysterychicken 
sra JmcGuin spanish help
Las porcinas are pigs and money made of cocoa will solve world hunger. Not usre i understand about plural
asked by sam 
Effective Business Communication
For effective, written business communication, writers must consider several factors: the purpose of the communication, the identity of the audience members (including their probable reactions, amount of information they already have, obstacles that must
asked by shirley 
Characteristics of Interpersonal Communication
In this scenario, assume the role of a student. You have read assignment details in your course syllabus, but you are still unsure what to do. Think about how you would approach your instructor versus how you would approach a classmate to receive more
asked by George 
physics
What initial mass of 235U is required to operate a 650MW reactor for 1 year? Assume 40% efficiency.
asked by Anonymous 
COM 140
Can somebody please help me with my power point presentation? I don't understand. My topic is fullline beauty supply store. I am having trouble coming up with speaker notes. This is my first time doing a power point presentation.
asked by Cassandra 
spanish last one thanks
en otro papel explica el significado de las siguientes palabras. Usa sinonimos y/o antonimos. example: contento  " Lo opuesto de enojado; feliz" I cant find anyhitng for la presa and amenazado/a PLEASE HELP
asked by sam 
algebra
Can someone help me to use radical exponents to write x^1/4 * y^1/7 * z^1/2 as a single radical expression? Thanks,
asked by tubbyboy 
spanish
how do i say: At 4:00 my brother and I go out to play tennis? A las cuatro mi hermano y yo (?) ... jugar tenis please help!
asked by y912f 
Chemistry
Explain open and closed system with respect to equilibrum.
asked by Zac 
science(chem)
I have a question about compounds that oil out of solvents after drying. How would I analyze this? Could I make a KBr pellet, or would I just be able to analyze it in UV spec? I assume that the solvents used to dissolve the compound, would be used as a
asked by ~christina~ 
PreAlgebra [repost ]
I need help on these three questions BEFORE 10:00 PM. Please someone show me how to do them step by step! Solve the equation for y in terms of x then find the solutions of the equation for the given values of x. 1.x + y = 1 [values of x: 3, 1, 2] 2.x+ 4y
asked by mysterychicken 
Algebra
Use set builder notation to describe the complete solution. 5[3m(m+4)]>2(m4)
asked by Sadie 
criminal justice
The final project for CJS 200 is comprehensive, designed to outline the procedural steps of the criminal justice system. In this you incorporate your foundational knowledge, resulting from completion of discussion questions, CheckPoints, and assignments,
asked by Wendy 
French
Can someone please proofread my paragraph? Je m'appelle Larry. J'ai quatorze ans et j’habite à Vernon, BC au Canada. *Là* où je habite, au printemps il fait beau et en été il fait chaud. Mais à l'automne il fait plus frais et en hiver il fait
asked by Larry 
sra JmcGuin spanish
assignment como va a ser nuestro mundo dentro de 50 anos? Piensa en el medio ambiente, el sistema social, la religion, la education, el transporte publico, la tecnologia...usa si + prente + futuro por lo menos 3 veces. THE ABOVE DOES NOT NEED TO BE EDITED
asked by sam 
7th grade
(3x14)+(2x+9)??
asked by =D 
spelling
the singular possessive of children's is what
asked by tracy 
chemistry
my teacher told me that polar bonds have a difference in elecronegativities of .42.1 is that the only way to find if a bond is polar? also how would you find out if the MOLECULE is polar or not?  i think i remember my teacher saying something about
asked by lyne 
ENGLISH
WHAT TYPE OF INTRODUCTION AND WHAT TYPE OF CONCULUSION CAN I USE TO WRITE IN MY RESEARCH PAPER? HOW DOES THE INTRODUCTION DRAW READERS INTO MY ARGUMENT, AND HOW DOES THE CONCLUSION NEATLY TIE UP MY PAPER? MY THESIS IS JUVENILE SEX OFFENDERS
asked by alberto 
math
if you have the points a(5,7) b(1,1) and p(x,y). how would you write an equaiton for all x and y for which pa is perpendicular to pb.
asked by mike 
Exercise Science
Describe the difference in the exercise prescription you would give to people with the following goals: Improve Health, Improve Fitness, Improve Performance.
asked by Sarah 
Exercise Science
What physiological factors really determine who wins the race (i.e. 100 meters, 10 K, Marathon)?
asked by Sarah 
algebra
how do you multiply 4y squared and 4x squared?
asked by Jamie 
Career
I have career day coming up, and I want a topic , may you give me the best topic you have , and you think I will win first place ?? please and Thank You!!!
asked by Catherin 
Spanish III
How would you change this sentence into a sentence using the conditional? Vamos a ver la película mañana.
asked by Anna 
Medical
What is the main difference between treating cancer with radiation therapy and treating cancer with chemotherapy?
asked by Stephanie 
spanish
can you revise this? Perdon, necesito ayudar en mi cuarto Si que es la probelma, senor? Mi cuarto es muy sucio, mi cuarto esta calor, no megusta la servicia, y los drogadictos esta en mi piso Todo esta bajo control Usted es el gerente? Senor, su cuarto
asked by Kerrie 
Math
Factor the trinomial S^2+5s+6
asked by Bryan 
french
______ l'equipe ja ponaise a tres bien joue a. Tout b. Toute c. Tous d. Toutes I think it is A? On annonce le de'part de _____ vol? Le vol a destination de Paris? a. quel b. quelle c. quels d. quelles is it A?
asked by sophie 
Math
I need to find the vertex and make a graph using quadratics. y=xsquared+11x+10
asked by Brad 
MAth
I have the x an dy axis an i have to reflect the sqaure on a y axis when it is on a X axis a=3 b=3,4 c=2,3 d=3,2. how do you flip it.
asked by KEEMO 
science
Which has more mass and volume, a cup of popped popcorn or a cup of cooked rice?
asked by Darion 
french
if I wanted to say "..travel to africa and help elephants" how would I phrase that?
asked by Baylee 
sra JmcGuin spanish
assignment como va a ser nuestro mundo dentro de 50 anos? Piensa en el medio ambiente, el sistema social, la religion, la education, el transporte publico, la tecnologia...usa si + prente + futuro por lo menos 3 veces. THE ABOVE DOES NOT NEED TO BE EDITED
asked by sam 
human resources
ceate a job description for a post of your choice
asked by ouafae 
Math
How many inches in 12 and 2/3ft?
asked by Speedy 
history
who was president during Muller vs. Oregon? Roosevelt or Taft?
asked by Helen 
English
one more question about student groupings!:) Need some quick activity on how to put students in groups but it has to activate their listening skills!IMPORTANTLISTENING! And need another activity on how to put students in groups but his time this activity
asked by cary 
Exercise Science
What physiological factors really determine who wins the race (i.e. 100 meters, 10 K, Marathon)?
asked by Sarah 
chemistry
my last question is how do you determine the molecular formula of a covalent compound given its formula?
asked by lyne 
World Bank
Where could I find information on the negative effects of the World Bank? I tried to search google and google scholar but I was not successful....
asked by Judith 
Physics (Don't understand the picture!)
Alright, so I don't get what this question is asking me about electrical charges. It has a little circle/atom and then a billion arrows surrounding it and pointing to it, kind of like an asterisk *, and then the question is: "What is the charge on the
asked by Judy 
Physics
A tall glass (20cm) is floating in your bathtub. It weighs 60 grams and has a bottom area of 10cm^2. How deep will it sink into the water, while it is still empty and how much water can you add to make it sink?
asked by Kyle 
Biology
Which of the following do NOT have a mesoderm? A. Jellyfishes B. Earthworms C. Flatworms D. Octopi E. Snails
asked by Astrid 
astronomy & space
What is the redshift of a galaxy which lies at a distance of 50 mpc, asssuming that the hubble constant is H_0 = 67 km s^1 Mpc^1? assume that the speed of light is c=3.0x10^5 Km s^1 please answer to an accuracy of 2 sig figs. Thankyou.
asked by mathew b 
Career
Anything , just tell me a topic that you think is really good. Maybe in the medical field if you want . Please Thank You !!
asked by Catherin 
Marine Science
I just need a quick run down about the location, feeding habits, tail and fins, teeth and scales, gills, senses, and reproduction of a bottlenose dolphin. Can you help? Thanks!
asked by Sam 
spanish
how do i say: then i go on my computer, and talk to my friends on the phone. in spanish? yo acostarse (?) la computadora y habla el teléfono
asked by y912f 
english
What is empathy? Who can you relate to historical figures?
asked by john 
Civics
What are the names of the cabinet posts?
asked by Tara 
Home Economics
1. Is a green pepper green and a red pepper red? Is a hot pepper red? 2. Are hot pepper paste, red pepper paste, green pepper paste the same? 3. Are a hot pepper, a green pepper, and a red pepper the same? 4. Cut a hot pepper into three pieces. 5. Cut hot
asked by John 
World War 1
HOW MANY SHIPYARDS DID WE HAVE DURING WORLD WAR 1?
asked by Sammy 
Science
What is the function of the appendix?
asked by Gaby 
chemestry
what is analgesics? what is its composition? what is their utility in curing?
asked by soumya 
english
what is an adjective for showing skill???
asked by Natisha 
critical thinking
Are logical arguments more persuasive than emotional and moral ones?
asked by taylor 
History
Name of the Union soldier who spotted the Confederates first at Gettysburg.
asked by Melissa 
Medical Coding and Billing
when is it correct to assign a fourdigit category code?
asked by Mary 
Exercise Science
A client heard that 3500 kcals equals one pound. She knows that she is burning 3500 kcals/week during exercise. It says so on the machines she uses. Why am is she not losing a pound every week?
asked by Sarah 
Medical
The main criterion for drugs classified as controlled substances is their level of?
asked by Stephanie 
Exercise Science
What happens to resting heart rate after weeks of endurance training? Why does this happen? Explain your answer.
asked by Sarah 
spanish
how do i say: my family goes to bed at 10:00 in spanish? mi familia acostarse la cama a las dies ???
asked by y912f 
MATHS
what is 0.0113 to 2 sig figs please
asked by mathew b