Questions Asked on
May 25, 2009

chemistry
I asked this question earlier that drbob explained but i still do not really understand what to do. can you please make it clearer? the average pH of healthy human blood is 7.4. how many moles of H+ ions are free in your blood. The average person has
asked by cara 
math
a cable television firm presently serves 5000 households and charges $20 per month. A merketing survey indicates that each decrease of $1 in the monthly charge will result in 500 new costumers. Let R(x)denote the total monthly revenue when the monthly
asked by Anonymous 
Spanish
Can someone help me with this please Rewrite the following dialogue adding the correct form of “estar” or the gerundio of the verb (other than estar) in parenthesis to form the present progressive form. Jose: Hola María. ¿Qué ___(5)___ (ESTAR tú)
asked by Jordan 
Chem
Calculate the expected volume of hot water that would be required to dissolve 0.15g of benzoic acid, vanillin, phthalic acid, salicyclic acid? You don't need to do all or any of them. I just need to know what formula to use and what to sub in and I can do
asked by Sam 
Math
In exercises 1 and 2, use the following information. You randomly draw letter tiles from a bag containing the letters from the word PROBABILITIES. 1. You randomly select a B. You replace it. Then you choose a T. Tell whether the events are independent or
asked by Sabina 
physics
A glider on an air track is connected by springs to either end of the track. Both springs have the same spring constant,k , and the glider has mass M. A)Determine the frequency of the oscillation, assuming no damping, if k= 125N/m and M= 250g. (I got the
asked by kelsi 
reading
Allusion 1 Why did the author refer to "Hansel and Gretel"? 2 Why did this folk tale emphasize the horror of the Holocaust for Misha? 1 Because in Hansel and gretel the kids burned the witch and died but in Milkweed the jewish are burned. 2 Because it
asked by joy 
Physics
A ball is thrown vertically upward with a speed of 1.53 m/s from a point 4.21 m above the ground. Calculate the time in which the ball will reach the ground. {Distance Above Ground} = D = (4.21) + (1.53)*t + (1/2)*(9.8)*t^2 {D = 0} > {Time To Reach
asked by Jamie 
Chemistry
The mass of a single barium atom is 2.28E22 grams. How many barium atoms would there be in 37.4 milligrams of barium
asked by Claudia 
Chemistry
Is ptoluidine soluble in HCl? Is 2naphthanol soluble in NaOH?
asked by Sam 
precalc
A fire has started in a dry open field and is spreading in the form of a circle. If the radius of this circle increases at the rate of 6ft/min, express the toatal fire area A as a function of time t (in minutes
asked by Anonymous 
Math
How do you solve this question: The cost of 3 markers and 2 pencils is $1.80. The cost of 4 markers and 6 pencils is $2.90. What is the cost of each item?
asked by Angie 
Chemistry
Calculate the specific heat of a metallic element if 314 jouldes of heat energy are needed to raise the temperature of a 50g sample from 25 degrees Celcius to 50 degrees Celcius?
asked by ASK 
Math
How do you find the answer for this: Pam is playing with red and black marbles. The number of red marbles she has is three more than twice the number of black marbles she has. She has 42 marbles in all. How many red marbles does Pam have? a. 13 b. 15 c. 29
asked by Angie 
physics
an object held in the air has a gpe of 470 J. the object then is dropped. halfway down, what is the objects kinetic energy?
asked by kyle 
BUSINESS
Question What are the differences between an internal proposal and an external proposal? Also I need to summarize why the two proposal types are different in terms of the following elements: Consider the following scenario: Management at your project
asked by JOSE 
History
1. What impact did learning about classical science have on Christianity? Also, 2. why do you think humanistic ideals encouraged European scholars to question classic learning? Thank you!
asked by Leni 
physics
A 2.7kg box is released on a horizontal surface with an initial speed of 2.9 m/s. It moves on the surface with a deceleration of 0.27 m/s^2. Calculate the kinetic friction force on the box. I couldn't find an example of this anywhere but...is it:
asked by Jamie 
world history
Questions from the movie "Schindler's List" Elie Wiesel, a student of the Holocaust, has said that "indifference" is the greatest sin of the Holocaust. Can you explain what he meant by this? How does this concept relate to the scene in which Schindler
asked by HELP PLEASE!! 
Math
Consider the set of integers greater than 2 and less than 6. A subset of this set is the positive factors of 5. What is the complement of this subset? a. {0,2,3,4} b. {1,0,2,3,4} c. {2,1,0,2,3,4,6} d. {2,1,0,1,2,3,4,5,6} I think it's d, even though
asked by Angie 
Math
1. Given the product law of logarithms, prove the product law of exponents. 2. Given the quotient law of logarithms, prove the quotient law of exponents. 3. Apply algebraic reasoning to show that a=b^(loga/logb) for any a,b>0 Please explain these to me.
asked by Jus 
crithical thinking
Critical Analysis Forms Fill out one form for each source. Source 1 Title and Citation: 1 Identify the principal issue presented by the source. 2 Identify any examples of bias presented by the author. If none exist, explain how you determined this. 3
asked by monica 
Reimbursement Methodologies
You're the new director of a hospital health information management department. The chief financial officer has hired you for your expertise in health care reimbursement and needs to know how your department can help with reimburement. List the mot
asked by Allie 
Chemistry
Would a compound that is soluble in HCl be soluble in NaHCO3? I think that a compound that is soluble in NaOH and not HCl would be soluble in NaHCO3, right? Thanks!
asked by Sam 
math
Raising rabbits. Before Roland sold two female rabbits, half of his rabbits were female. After the sale, only onethird of his rabbits were female. If x represents his original number of rabbits, then 1 2 x 2 1 3 (x 2). Solve this equation to
asked by Doris 
chemistry
A sulfuric acid solution at 25 °C has a density of 1.27 g/mL. A 20.0mL sample of this acid is measured out at 25 °C, introduced into a 50mL flask, and allowed to cool to 21 °C. The mass of the flask plus solution is then measured at 21 °C. Use the
asked by Zandria 
world history
were did they get the pictures from the holocaust...like who took them
asked by Anonymous 
english
are there any famous poems about how soldiers at war deal with death. I'm reading "the things they carried" and the book talks a lot about how the soldiers would shake hands with dead people, (as a sort of dark humor I guess to desensitize them in a way)
asked by jackie 
social studies
why do monopolies threaten the fre enterprise system
asked by knj 
precalc
A fire has started in a dry open field and is spreading in the form of a circle. If the radius of this circle increases at the rate of 6ft/min, express the toatal fire area A as a function of time t (in minutes
asked by Anonymous 
Chemistry
What is the solubility in water of salicylic acid at 25 degrees? I can only find it at 20 degrees.
asked by Sam 
Chemistry
(a) What is the diameter, in micrometers, of a spherical ink droplet from an early version of an inkjet printer if the volume of the droplet is 200 ± 10 pL? If the ink has a density of 1.1 g/mL, what is the mass in milligrams of ink in a droplet from
asked by Zandria 
Spanish
1. ¿Qué es el gerundio de "llamar"? 2. ¿Qué es el gerundio de "beber"? 3. ¿Qué es el gerundio de "dividir"? 4. ¿Qué es el infinitivo de "mirar"?
asked by Pete 
science
fill in the blanks: Minerals are the builiding blocks of rocks: Atoms => Elements => __________=> Rocks.
asked by Anonymous 
Languages
what does .oot derob m'Iþ mean? I have no idea what language this is in, or what it means. I just came upon it and am wondering so sorry if it is something offensive or anything else. Thanks MC
asked by mysterychicken 
math b
the vertices of triangle ABC are A(2,3), B(0,3), and C(4,1). prove, by means of coordinate geometry, that the median to side BC is also the altitude to side BC.
asked by jojo 
eng02
Assignment: Incorporating Statistics, Graphs, and Illustrations Resources: Incorporating Statistics, Graphs, and Illustrations; Creating Tables tutorial; Axia College Writing Resources Web Site; and Axia College’s Writing Style Handbook Due Date:
asked by carol 
math
In the percentofsales method, an increase in dividends
asked by Mike 
Math Application
Raising rabbits. Before Roland sold two female rabbits, half of his rabbits were female. After the sale, only onethird of his rabbits were female. If x represents his original number of rabbits, thenSolve this equation to find the number of rabbits that he
asked by Doris 
Math simplify
What is the simplifying process of 0.08r+0.5(x+100)=73.2
asked by Doris 
Statistics
For the gene pair that determines eye color, each gene trait may be one of two types: dominant brown (B) or recessive blue (b). A person possessing the gene pair BB or Bb has brown eyes, whereas the pair bb produces blue eyes. a) Suppose both parents of an
asked by Kate 
French (URGENT)
Okay, for an assignment, I have to do a rewrite of the "Alouette" song. It must include 4 verses. Here it is: the theme is "pie" (First line) (Second line) Nous mangons tarte de pomme Nous mangons tarte de pomme Yay pour pomme  Yay pour pomme Mange la
asked by Larry 
Science
Which is hotter  a red star or a blue star? Why? I know it's the blue star, but I don't know why...
asked by :] 
Math
I need some help with my math.. It says is each equation a direct variation? If it is find the constant of variaton. 32. f(x)=3x 34. y=2x+5 I don't get how to do these.. please help me.
asked by Amy 
spanish
"¿Cuándo _____ tú y tus amigos?" "Después de las clases o los fines de semana." a. se encuentran b. me encuentro c. te encuentras d. nos encontramos When _____ you and your friends. After school or on the weekends. when do YOU MEET your friends. after
asked by y912f 
Math
When something says that I'll be tested on formulas for perimeter and area of polygons, does that mean I'll just have to know the formulas, or that I'll have to know how to use the formulas, or both?
asked by Angie 
math
graph y=2x and y=x squared what points do the graphs have in common? Describe how the graphs are different.
asked by nathaniel 
english
we're doing vocab and there's some i don't understand intrepid is to daunt as a. diligent is to tantalize b. incredulous is to hoodwink c. incorrigible is to surmount d. obstreperous is to rejuvenate i think this one is a. but im not sure languid is to
asked by lola 
French (URGENT #2)
Can someone please help check my work? There were no instructions, it is as I have written it. Am I supposed to choose only one? or more? 1. On peut pratiquer les sports décrits dans cette annonce... info: SPORTS. Cercle. Nautique. Martinique. Ski
asked by Larry 
history
can u please give me a site that will have a short but an informative article on the English Reformation? thnks
asked by KC 
Math
Find the HCF of f(x) = 6x^3 + 24x^2 + 18x, g(x) = 4x^4 + 4x^3  24x^2
asked by sami 
chemistry
the average pH of healthy human blood is 7.4. how many moles of H+ ions are free in your blood. The average person has approx. 5 L of blood.
asked by cara 
algebra
Find the sum: (x2 + 2x +1) + (4x2 + 5x + 3)
asked by start2 
Math Application
World grain demand. Freeport McMoRan projects that in 2010 world grain supply will be 1.8 trillion metric tons and the supply will be only 3/4 of world grain demand. What will world grain demand be in 2010?
asked by Doris 
Chemistry
Write structural formula for : 3 ethyl 2,3, dimethylpentane ALSO How many single bonds are in a hexane molecule?
asked by STEPHANIE 
chemistryacids and bases
determine how many mL's of a monohydroxic base with a pH of 9 is needed to neutralize 50 mL of a monoprotic acid with a pH of 2. I do not understand what to do. can someone please help?
asked by jackie 
medical coding and billing
I need help on my HIPAA research project I havn't writtn a paper in like 20 years. If someone could give me their opinion of what I have so far. The project involves a series of questions, in which I'm suppose to answer each question in a complete
asked by Susan 
SCIENCE
What energy changes occur in a in a solar powered car?
asked by iluv2cheer 
math
A fraction's numerator is 3 less than its denominator. Its reciprocal is 4 times its value. It is greater than 0. What is the fraction?
asked by sonja 
Spanish
I REALLY NEED HELP WITH THIS PRONTO!! i WOULD REALLY APPRECIATE IT. Rewrite the following sentences replacing the underlined direct object with a direct object pronoun. Remember, the direct object pronoun needs to be placed directly in front of the
asked by Pete 
world history
what group imposed the Reign of Terror
asked by shaka 
Math
What does it mean to solve a system of equations like y=x^2+4x5 and y=x1 graphically?
asked by Angie 
Math
How do you solve this problem: Jack brought 3 slices of cheese pizza and 4 slices of mushroom pizza for a total cost of $12.50. Grace bought 3 slices of cheese pizza and 2 slices of mushroom pizza for a total cost of $8.50. What is the cost of one slice of
asked by Angie 
ml algebra
Solve the equation x2 = 81 by finding square roots. *NOTE: Applicable to this and all other questionsFor any solution that involves two answers, type one answer separated by a comma and then the other answer
asked by ange 
HCA 210
When solo providers have to face expanding their hours to accommodate more of their patients, what kind of impact do you feel this will have on the provider's health?
asked by Meshelle 
english
Homework help please i need to pass? in the play a midsummer night dream for the character Hermia i need help answering these question as if i were Hermia. (answer the questions like something Hermia would say) please really in depth answers please What
asked by Bre 
history
i need ti write a paper on why the soviet union is to blame for the cold war. could an example i cit be when the soviet union invaded afghanistan?
asked by cat 
spanish
"¿Qué hicieron tú y tus sobrinos cuando llegaron a tu fiesta de sorpresa?" "_____, por supuesto." a. nos despedimos b. nos invitaron c. se regalaron d. nos abrazamos can you please explain to me what the question is saying.. What did you and your
asked by y912f 
Math
Determine whether each equation is true for all x for which both sides of the equation are defined. If it is true, support your conclusion with a sketch using the unit circle. If it is false, give a counterexample. inverse sin(x)=inverse sin(x) inverse
asked by Anonymous 
chemistry
A small storage tank for liquefied petroleum gas (LPG) appears to be spherical and have a diameter of about 1 ft.Suppose that some common volumes for LPG tanks are 1 gal, 2 gal,5 gal, and 10 gal. Which is the most probable voume of this particular tank?
asked by Zandria 
English
The following sentence contains a dangling or misplaced modifier. Rewrite the sentence so that its meaning is clear. 7. Walking the dogs in the park on Sunday afternoon, it began to rain hard. I totally don't understand how to rewrite this sentence :( Any
asked by Emily 
chemistry
is it possible to neutralize a strong acid with a weak base? I think you can but i don't know how you would? Explain please?
asked by jackie 
Marine Biolodgy
Clown fish! HELP MAJOR ASSINMENT DUE TOMORROW, ARE CLOWNFISH SEXUAL OR ASEXUAL? INTERNAL OR EXTERNAL? S.O.S PLEASE HELP! xxx Lola
asked by Lola 
spanish
"¿Cuándo _____ tú amigos?" "Después de las clases o los fines de semana." a. se encuentran b. me encuentro c. te encuentras d. nos encontramos C?
asked by y912f 
Cars
What type of fuel does the cadillac cts take? premium or regular?
asked by Lena 
math
picture using 4 quadrilaterals, 5 pentagons, 6 hexagons, and 8 octagons
asked by stacey 
spanish
"Francisco, ¿celebran Uds. Columbus Day en México?" "Más o menos, pero se llama _____." a. el Día de la Independencia b. el Día de la Raza c. el Día de Acción de Gracias d. el Día del Padre B?
asked by y912f 
spanish
Si una mujer no está casada, se dice que _____. a. está soltera b. está muerta c. está especial d. está separada A?
asked by y912f 
spanish
Si una mujer no está casada, se dice que _____. a. está soltera b. está muerta c. está especial d. está separada A?
asked by y912f 
spanish
"¿Cuándo es _____ de tus padres?" "Creo que se casaron el ocho de mayo." a. la celebración b. el aniversario de boda c. la reunión d. el día de fiesta B?
asked by y912f 
english
Is a person basically alone or is he or she integral member of society. no websites or references i want to know what you think
asked by Bre 
statistics
Hi all i have this assignment,please help me :D . . . . . 1.The following table presents the monthly consumption (C) and income (I) of 5 families, in Jordanian Dinars: (C) (I) 290 400 210 230 200 200 150 220 250 450 A) Plot the data; B) Write the estimated
asked by hani 
econ
Why did the stock SIX change to SIXF.OB? Thank you for the help.
asked by Lola 
English
?: page as border is : country
asked by Anonymous 
chemistry
how do i d
asked by casey 
5th grade science
What are some ways that energy from the sun is being used in a community!! Please Help
asked by Carolina 
Math
Express as a rational expression : [(x^3+y^3+z^33xyz)/(a^3+b^3+c^33abc)] * [(a^2+b^2+c^2abbcca)/(x^2+y^2+z^2xyxzzy)] Show all your work
asked by jessie 
Math
Express as a rational expression : [(x^3+y^3+z^33xyz)/(a^3+b^3+c^33abc)] * [(a^2+b^2+c^2abbcca)/(x^2+y^2+z^2xyxzzy)] Show all your work
asked by jessie 
science! help
What are some ways that energy from the sun is being used in a community??? Please Help
asked by Carolina 
science
Fill in the blanks: * A minerals __________ (which you can not see) can be seen in the mineral's _______ (which you can see). * A mineral that has __________ (forming a distinct geometrical shape) and ___________ on those flat sides is said to have
asked by Anonymous 
english
define borrowing glory with some examples.
asked by Anonymous 
college
If the management of a company bases salary increases and employee benefits on seniority rather than performance,the company promotes ...culture? Apathetic,caring,integrative,exacting? this is from "Business ethics"
asked by Mike 
geo
what are social, political and economic factors? also, what is brain drain? thx for your time :)
asked by rebecca 
English
1. I saved the file on the computer. 2. I saved the file in the computer. 3. I saved the file at the computer. (Which preposition do I have to use?) 4. He is making a document on the computer. 5. He is making a document in the computer. 6. He is making a
asked by John 
social studies
why did the Puritans go to plymouth Ma. ?
asked by megs 
SRAJMCGIN
Does anyone know where SraJMcGin is, what time she will be online? i have been waiting for my spanish questions to be answered the whole day. Please let me know when she will come online. Thanks
asked by y912f 
business
To start a day care center, what are the basic materials and supplies that you will need? i.e, desks, chairs, tv, kitchen area (fridge, stove), books. what are some other things that you would need. what are some activities that kids 34 age do at a
asked by y912f 
Microeconomics
What are the conditions for a perfectly competivite market?
asked by Susan 
psy 210
canstrast and compare the different between the two theories Trait theory and psychodrama theory
asked by ms miller 
math
Simplify (2c)(11c). my answer is telling me it should be 22c. I think it is 22c(squared). We are not combining like terms, but multiplying each to the 1st power. when you multiply you add the exponents. I am confused.
asked by Kelly 
civics
how many members from maharashtra MP,ORISSA,KERALA UP,BENGAL ARE REPRESENTING LOKSABHA
asked by bhumi 
science assignment
what imapct has technology had on our society
asked by jason 
math pre algebra
can you help me with this equation and may you please show your work? 3=3y
asked by Tanisha 
social studies
how did technology change what was brought and sold in rural areas?
asked by ??? 
Physics
What should be the angle between two vectors of magnitudes 3.20 and 5.70 units, so that their resultant has a magnitude of 6.10 units? Cos x = (b^2 + c^2  a^2) / 2bc Cos x = (3.2^2 + 5.7^2  6.1^2) / (2 * 3.2 * 5.7) Cos x = 5.52/36.48 Cos x = 0.15 x =
asked by Jamie 
spanish
"Cuando tú y tu novia se despiden, ¿se dan la mano o se besan?" "_____" a. se besan b. nos besamos c. se dan la mano d. le damos la mano i'm not even sure what the question is asking, i think it says: when you and you're girlfriend say goodbye, do you
asked by y912f 
Other
what does it mean to be a woman
asked by Bre 
spanish
"Cuando tu hermana se graduó, ¿cómo se saludaron ella y el director?" "_____" a. se despidío b. se encontraron c. se dieron la mano d. nos abrazamos C?
asked by y912f 
spanish
"¿No está casado tu tío Beto?" "No, él nunca se casó. Está _____." a. divorciado b. separado c. muerto d. soltero Can someone please explain the question to me.
asked by y912f 
math help plz
Use the quadratic formula to solve the equation: 0 = x2  5x + 6
asked by puppy101 
spanish
"¿Por qué no _____ tu hermana y tú?" "Porque siempre nos peleamos." a. se despiden b. se dien c. se hablan d. se gradúan C? if this is the wrong answer, then please explain the question to me
asked by y912f