Questions Asked on
July 26, 2009

chemistry
hi kinda stuck :) 100.0 ml of 0.100 M H2NNH2 (kb =3.0 x10^6) is titrated by 0.200M calculate PH after adding the following volumes of HNO3 a 0 b 25.0 ml c 50.0 ml d 60.0 ml  A) N2H4 + HNO3 > N2H5+ + NO3 .100 0 0
asked by Jim_R 
Pre Calculus
Radium221 has a halflife of 30 s. How long will it take for 95% of a sample to decay
asked by Shellie 
Accounting
Classify the following adjusting entries as involving prepaid expenses (PE), unearned revenues (UR), accrued expenses (AE), or accrued revenues (AR). a. To record revenue earned that was previously received as cash in advance. b. To record annual
asked by Ashley 
Pre Calculus
Evaluate log b {square root of 10b}, given that log b 2 = 0.3562 and log b 5 = 0.8271 (sorry I had no clue how to type this in math format!)
asked by Shellie 
MATHS
Could you please explain how to do this question? Thank you very much. Gustav is an untidy man who keeps all his socks loose in his drawer. He has 6 pairs of white socks, 4 pairs of green socks and 5 pairs of black socks. What is the most number of socks
asked by BRENDON 
algebra
solve by factoring a^2 121 = 0 (a11)(a11) is this correct?
asked by Maria 
World History
List two ways the Atlantic Slave trade affected Africa.
asked by Sophia 
biology
How are haploid and diploid cells similar ? thanks again Jim
asked by Jim_R 
history
how did the pattern of European immigration shift in 1890
asked by Cheryl Williams 
Algebra
Reduce the rational expression to lowest terms 3x^29x+6/105x
asked by Maria 
Chem
When you have carbon monoxide poisoning and you put on a 100% oxygen mask, will the CO react with the O to make CO2 which the body will exhale?
asked by Lena 
World History
Describe three ways the Church shaped Medieval life.
asked by Lee 
Algebra
For f(x) = x^3 – 4x – 7, use the Intermediate Value Theorem to determine which interval must contain a zero of f.
asked by Crystal 
Accounting
Exercise 37 Determining assets and expenses for accrual and cash accounting C2 On March 1, 2003, a company paid a $16,200 premium on a 36month insurance policy for coverage beginning on that date. Refer to that policy and fill in the blanks in the
asked by Ashley 
Pre Calculus
interest 7%; investment $2000, compounded monthly  how much after 10 years. I am very close on this one but must be missing an important step: A(t) = 2,000(1 + .07/12)^(10)(12) A(10) = 2,000(1.0058)^120 A(10) = 2,000(2.0017 = 4003.4 However the answer is
asked by Shellie 
math
Solve X + 1/x – 2 ≥ 3 I know you have to subtract the 3 from both sides to get the zero on right of the inequality sign. I don't understand how to make one fraction after I do this.
asked by Sydney 
algebra
vwvx+wzxz x vw+vxwzxz ___________ ___________ kv+nvkznz vw+vx+wz+xz find the product and put in lowest terms
asked by donna 
Chem
stomach wall has a protective lining of mucous that prevent the acid from penetrating the underlying tissues. using asprin too often can damage the stomach wall. Aspirn is a weak carboxlyliic acid with a Ka of 3.2 x 10^4. HC8H7O2CO2(aq) H^+(aq) +
asked by Lena 
10th grade english
Ok, I need help on the book "The Road" By cormac McCarthy. I need to know 3 themes, the plot, the setting and how it affects the story, and Literary devices used in the story! Thanks so much!
asked by Eric 
12th grade
Dear Mr. VanYerself: I am interested. The position has requirements that match my abilities. My education meets your requirements. My experience relates to the job description. I believe I will be successful in this position, and I am eager to hear you to
asked by tamara jones 
Statistics
during the month of July, an auto manufacturer gives its production employees a vacation period so it can tool up for the new model run. In surveying a simple random sample of 200 production workers, the personnel director finds that 38% of them plan to
asked by Samantha 
algebra
Simplify expression. Assume all variables represent nonzero real numbers. ( (3y^2)/2)^3 I started to reduce but it did not look right.
asked by Maria 
math
Erika spent 5/6 hr on her computer visiting the history channel and the discovery channel websites. She spent 1/5 hr at the history channel website. How many hours did she spend at the discovery channel website? I came up with 19/30 hr. Am I correct?
asked by Aleah 
math
For lunch, Jamie bought a 8inch submarine sandwich. What fraction of a foot was Jamie's sandwich? (1 foot = 12 inches) I came up with 2/3, am I correct?
asked by Aleah 
math
Isosceles Triangle ABC is inscribed in a circle with radius 12cm. Aide AB is a diameter. Determine the perimeter of the triangle, correct to one decimal place.
asked by Amy 
math
use the properties of logarithms to write the expression as a sum, difference, and/or constant multiple of logarithms. (Assume all variables are positive.) In 3sqrt t
asked by Hannah 
Communication Studies
Can people's attitudes be "isolated" by researchers? Can an attitude's contours, influence on behavior, and strengths be accurately measured?
asked by Michelle 
Marine science
How has the Galapagos Tortoise changed or adapted over time?
asked by Jack 
math
use the changeofbase formula to write the given logarithm as a multiple of a common logarithm. In 5
asked by Hannah 
History
Explain why the development of printing was described as a "revolution."
asked by Jeff 
Grammar
which is the complete subject,simple subject The twoandahalfmonthold child received 2nd degree burns across the bridge of his nose. simple subject is: received 2nd degree burns :complete subject is twoandahalfmonthold
asked by Jordan 
Algebra
For f(x) = x^3 – 4x – 7, use the Intermediate Value Theorem to determine which interval must contain a zero of f. A. Between 0 and 1 B. Between 1 and 2 C. Between 2 and 3 D. Between 3 and 4
asked by Breanna 
Grammar
Which are the simple subject and the verb? The child was treated with erythromycin. was=verb treated = subject. Cultures were taken of the throat. were = verb cultures = subject She was seen here, stabilized, and transferred to County Hospital. she = verb
asked by Garrett 
Grammar
reposting answers to questions... The patient was returned to the recovery room in good condition. verb = returned , subject patient Physical examination showed marked irritability. physical examination = subject verb = showed,
asked by Garrett 
World History
Compare matrillineal and patrilineal cultures.
asked by Lee 
Business Research
"What are the differences among the research approaches (and thinking styles) that guide the predominant kinds of studies done in operations research, marketing, finance, and/or organizational behavior?"
asked by Linda 
World History
Compare matrilineal and patrilineal cultures.
asked by Lee 
History
Identify three reasons why Japan closed its doors to the outside world.
asked by Zee 
algebra
Simplify the expression. Assume all variables represent nonzero real numbers (x^5)^10
asked by Maria 
Pre Calculus
solving exponential equations with exponents on each side 5^x =4^(x+1) They don't have common bases and now I am lost I thought I could just come up with a common base (in this case 20) and change the equation to 20^4x =20^(5x+5) However I am not getting
asked by Shellie 
equations and inequalities
find the value of x in the equation 2(x3)+5=(2x+6)
asked by emma 
Grammar
Lungs were clear with an occasional cough. verb = were,lungs = subject He was discharged on the fourth hospital day. verb = discharged hospital = subject After 24 hours in the hospital he was much improved. improved is a predicate adjective but now is the
asked by Garrett 
math
wwhat is the answer to x+7y=14
asked by lex 
english
can someone please write me a story based on a grudge. i will be really happy.
asked by simmy 
Algebra
Please describe the end behavior of the graph of the function below. f(x) = –2x^5 – x^3 + x – 5?
asked by Michelle 
calculus
Need help with the following proof: prove that if lim x>c 1/f(x)= 0 then lim x>c f(x) does not exist.I think i need to use the delta epsilon definition i am not sure how to set it up.
asked by jeff 
Grammar
He was discharged on the fourth hospital day. verb = discharged, he= subject questions hopefully fixed and are correct now... After 24 hours in the hospital he was much improved. improved is a predicate adjective but now is the verb = was and the subject =
asked by Garrett 
History
Describe how capitalism, agriculture, and industrialization contributed to economics, economic development, regional specialization, and social reform?
asked by Karl2472 
biology
whats the similarities and difernces between gonochoristic and hermaphroditic ? thanks again Jim
asked by Jim_R 
World History
Explai three ways the Byzantine Empire influenced later civilizations, including Russia.
asked by Azeeza 
Statistics
During the month of July, an auto manufacturer gives its production employees a vacation period so it can tool up for the new model run.In surveying a simple random sample of 200 production workers, the personnel director finds that 38% of them plan to
asked by Samantha 
Math
How do we express this in interval notation? x < 0 or 7 < x < 9
asked by Beth 
history.
Explain how this involvement impacted the U.S. political climate of the 1950s. Explain how the U.S. became involved in the politics of Southeast Asia.
asked by scooby9132002 
Chem
I need to find the Kb of Analine. I've been told the ph is 8.81 and that the concentration of the solution is 0.1 mol/L. What would be the equation I'm working with :S ?
asked by Lena 
marine science
what is the primary consumer that is in the waters off the coast of Peru. I need to know the name and I need to find a picture of it.
asked by Hannah 
algebra
Solve by factoring x^2 2x 24=0
asked by Maria 
HSM 240
I need help to develop documentation for human resources professionals to manage a specific employment position.
asked by Tina 
Accounting
If a business pays its expenses immediately can they still be accrual basis?
asked by Ashley 
math
For this problem, 5/x=9/x+8, I came up with 10. Is this the correct answer?
asked by Aleah 
Data Analysis Help
4. Cells must be __________ and the sheet protected to prevent edits being made to the data. locked secured formatted values 5. To print column and row headings on all pages, set the options in the __________ command in the Page Setup group. Highlight Set
asked by Bryan 
Math
P1V1/T1=P2V2/T2 combined gas law 1.0atm*0.50L/298K=5.0atm*0.50L/T2 Can you help me to go from this step to the solution?
asked by Gayla 
10th grade English
This is my personal reflective essay. Please fix any mistakes or awkward phrases ASAP My body and my mind became lighter than air around me, as I threw myself on a couch where my back enjoyed being at. Released from the monstrous term of school, I felt
asked by Andy 
HIST 108
Thank you for your help :)
asked by Crystal 
finance
calculate maximum payout ratio
asked by Anonymous 
English
Analytical meaning of sub cultural
asked by Lisa