Questions Asked on
January 15, 2011

physics
The drawing shows a uniform electric field that points in the negative y direction; the magnitude of the field is 4540 N/C. Determine the electric potential difference the following points VB − VA between points A and B VC − VB between points B and C
asked by Anonymous 
chemistry
What is H+(aq) + –OH(aq) H2O(l)
asked by cathy 
College Accounting
P21A Frontier Park was started on April 1 by C. J. Mendez and associates. The following selected events and transactions occurred during April. Apr. 1 Stockholders invested $40,000 cash in the business in exchange for common stock. 4 Purchased land
asked by Jaycee 
statistic
roll 2 standard dice and add the numbers. what is the probability of getting a number larger than 9 for the first time on the third roll?
asked by linn 
chemistry
A sample of propane(c3h8)has 3.84x10^24 H atoms. a) how many carbon atoms does the sample contain? b) what is the total mass of the sample?
asked by Jessica 
math
What might you have if you don't feel well?
asked by lolololol 
literature
True or False? The "Chimney Sweeper" in Blake's Songs of Innocence has good life circumstances while the "Chimney Sweeper" in his Songs of Experience has bad life circumstances.
asked by dontdelay 
algebra 1
find the slope intercept equation of the line that has the given characteristics. slope 6.7 and y intercept (0,7) Thanks.
asked by robbie 
math
1.a collection of 105 coins consists of 1 peso and 5 pesos. if the total value is 205 pesos, find the number of coins of each denomination in the collection. 2.leslie's wallet contains 20 peso bills and 1 peso coins with a total of 232 pesos. how many each
asked by faye 
chemistry
show that 1mg/L = 1g/m3
asked by Maria 
psy202
Write a 200300 word summary describing a time when you had to test a theory. This theory may be something you have tested at work, school, or at home. Describe the situation. What type of informal research method did you use? How was your research method
asked by Angela 
Chemistry
At elevated temperatures, SbCl5 gas decomposes into SbCl3 gas and Cl2 gas as shown by the following equation: SbCl5(g) SbCl3(g) + Cl2(g) 1. What is the concentration in moles per liter of SbCl5 in the container before any decomposition occurs? 2. What is
asked by Fred 
chemistry
A solution of sodium bicarbonate is prepared by adding 45.00g of sodium bicarbonate to a 1.00L volumetric flask and adding distilled water until it reaches the 1.00L mark. Calculate the concentration of sodium in units of: a) milligrams per liter b)
asked by Maria 
Math
Find the amount in each case. a) 8% is 56kg.
asked by *multi* 
algebra
Sally works at a grocery store. In one week she earned $390 for working 47 hours, of which 7 hours were overtime. The next week she earned $416 for working 50 hours, of which 8 hours were overtime. What is Sally's HOURLY OVERTIME rate in dollars per hour?
asked by lorie 
Chemistry
C2H2(g) + 2 H2(g)> C2H6(g) Information about the substances involved in the reaction represented above is summarized in the following tables. Substance So (J/mol∙K) ∆Hºf (kJ/mol) C2H2(g) 200.9 226.7 H2(g) 130.7 0 C2H6(g)   84.7 Bond Bond Energy
asked by Brenda 
engishcommunication
while giving directions to your office, you wish to describe a road that many lanes. which one of the following prefies means "many"?
asked by Anonymous 
calculus
On the graph of f(x)=6sin(8πx), points P and Q are at consecutive lowest and highest points with P occuring before Q. Find the slope of the line which passes through P and Q.
asked by Brittany 
Calc
Consider a circle of radius 2 and a point P rotating around it. The angle θ, in radians, is given as a function of time t. (a) What is the value of θ when t=1.5? (b) Find the coordinates of P when t=1.5
asked by Stephanie 
Chemistry
The question is: Hydrogen and oxygen gas combine explosively to produce water. Write a balanced chemical equation for this process. If 10 mol of hydrogen reacted with oxygen, what volume of liquid water could be produced? Is this right for the balanced
asked by Rachael 
physics
To what temperature can you cool the container before it collapses
asked by Anonymous 
literature
True or False? In "Rights of Women," Anna Letitia Barbauld concludes that women will be far less satisfied in fighting for their "rights" against men (as Wollstonecraft did) then with acting in love toward men, as Nature created them to do.
asked by dontdelay 
Accounts
The Net Income amount from the Income Statement is used as a line item on which statement? (Points: 5) Profit and loss statement Statement of owner's equity Balance sheet Trial balance help please not sure what is meant by line item
asked by Lisa 
college math 209
solve for u, where u is a real number ãu  18 = 2
asked by Anonymous 
Chemistry
A 5.00gram sample of glucose, C6H12O6, [molar mass = 180.] is dissolved 10.0 grams of water What is the molality of the glucose solution? Calculate the boiling(BP) and freezing points(FP) of this solution to the nearest 0.1 C°. The vapor pressure of pure
asked by Mark 
algebra
solve for x sqrt 6x+ 6=sqrt x + 12
asked by Anonymous 
Chemistry
The question is: Isotonic saline is a 0.9% (g/100ml) solution of salty water. You are asked to make up 2L of isotonic saline. How much salt should you weigh out? I got the answer of 18g with the following working: 9 ÷ 1000(ml) x 100 = 0.9 Therefore 9% of
asked by Rachael 
math
the perimeter of isosceles triangle is 70 d. of the length of a leg of the triangle is 5 dm less than twice the lenth of the base, find the lengths of the sides of the triangle.
asked by lou 
algebra
solve for u, sqrt 3u + 28= u
asked by Anonymous 
biology
rana pipiens, a species of frog, has a diploid chromosome number of 26. a. how many chromosomes are present during metaphase i? per cell? b. how many chromatids are present during anaphase i ? per cell? c. how many centromeres are present during telophase
asked by frank 
chemistry garde 11
plases help me.... im really stuck in this question... i have no clue how to do it... please help me oxygen gas generated in the thermal decomposition of potassium chlorate in water. the total pressure of this system was measured to be 762 mmHg and the
asked by Kamal 
Science
why is it necessary for water, carbon, nitrogen and oxygen to be recycled through the earth's ecosystem?
asked by Pat 
Chemistryw/addition
At elevated temperatures, SbCl5 gas decomposes into SbCl3 gas and Cl2 gas as shown by the following equation: SbCl5(g) SbCl3(g) + Cl2(g) (a) An 59.8 gram sample of SbCl5 (molecular weight 299.0) is placed in an evacuated 15.0 liter container at 182°C. 1.
asked by Fred 
ancient civillation
which lasted the longest. which lasted shortest. which began earliest. which began latest. Also what were the civillations that lasted 3000 years or more. please help i`m confused.
asked by saira 
english
How to make these possessive sentneces 2. She was unable to get a car loan with her bad credit. 3. Finally she filed to bankruptcy to help clear her name.
asked by jub 
Psychology
Andy, age 16 lacks selfdiscipline fails to plan ahead and is quickly frustrated by challenging tasks. He is anxious and overly critical of others. Use the psychoanalytic, humanistic, and socialcognitive perspectives to give three contrasting explanations
asked by Samantha 
Ochem
For the reaction between chloroacetic acid and 4chlorophenolate to synthesize 4chlorophenoxyacetic acid, why is this reaction a sn2 reaction?
asked by anon 
chemistry
the concentration of a chemical degrades in water according to order kinetics. the degradation constant is 0.2 day^1. if the initial concentration is 100.0 mg/L, how may days are required for the concentration to reach 0.14 mg/L?
asked by Maria 
math
a rectangle is 4 times as long as it is wide. a second rectangle is 5 centimeters longer and 2 centimeters wider than the first. the area of the second rectangle is 530 square centimeters greater than the first. what are the dimensions of the original
asked by tony 
trigonometry
Solve the following right triangles: a. a=117 ft, b=16.35 ft b. B=8 degrees 29',and a=32.8 ft for a. got 118.14 by Applying the Pythagorean Theorem a^2 + b^2 = c^2. can you show me the steps of how to solve b.
asked by Jad 
6th grade math
How many 5/6's are in 1? Is the answer 6/5 ??
asked by Suzanne 
Chemistry
C2H2(g) + 2 H2(g)> C2H6(g) Information about the substances involved in the reaction represented above is summarized in the following tables. Substance/ So (J/mol∙K) /∆Hºf (kJ/mol) C2H2(g) / 200.9 / 226.7 H2(g)/ 130.7 / 0 C2H6(g)/ ?? / 84.7 Bond
asked by Brenda 
physics
sealed metal container can withstand a pressure difference of 0.630 . The container initially is filled with an ideal gas at 12 and 0.80 To what temperature can you cool the container before it collapses? (Ignore any changes in the container's volume due
asked by Josh 
micecomomic
I purchased a pair boot in the past month from a shoe store Is the product considered elastic, inelastic, or unitary elastic? In a few sentences, what effect does the current supply and current demand have on this product?
asked by Roselyn 
Microeconomics
Since all economies are faced with scarcity, how might nations attempt to minimize the human hardship associated with scarcity?
asked by Anonymous 
Business
If the research question were defined as “will buyers purchase more of a product in a blue colored or silver package?” the most appropriate type of research would be A. exploratory B. descriptive C. causal D. associative E. none of the above I chose E
asked by Steve 
computer science
Choosing the right audience is important. What might happen if it is not done right? What kind of issues can it cause to your project?
asked by unknown 
Com170
Write one paragraph explaining the key differences between the four types of writing (summary, analysis, synthesis, and evaluation). What do they mean.
asked by Bill 
ALGEBRA
Identify the rate in the following statement 75 is 15% of 500 the answers that are given to choose from is A)75 B)500 C)15% I picked a and c not
asked by So Lost 
geometry
A pentagon ABCDE. EG drawn parallel to DA meets BA produced at G and CF drawn parallel to DB meets AB produced at F. Prove that the area of pentagon ABCDE is equal to the area of triangle GDF.
asked by Anonymous 
algebra 1
graph the equation by plotting points y= 3
asked by robbie 
english
What does the dragon in The faerie Queene represent?
asked by Anna 
advance algebra
1. 2(6x+13)7 >= 21 ">=" is greater than or equal 2. 11x+8(x1)+12
asked by linear inequalities 
advance algebra
1. x+4 < 32 2. 3(y+10)=15 >= greater than or equal
asked by linear inequalities 
college math 209
write in simplified radical form by rationalizing the denominator 2ã5 + 3/ã5  1
asked by Anonymous 
literature
What is the implied lesson the speaker learns from the little girl in Wordsworth's "We are Seven"? A. Poor children live a hard, painful life. B. Because they are uneducated, country people don't understand how the world really works. C. By simplifying his
asked by dontdelay 
math
Nick has a revolving department store credit card account with an annual percentage rate of 15%.Last month's balance on the account was 423.78.During the current month,he made purchases totaling 123.42 and made a payment of 100.00.The store uses the unpaid
asked by Judy 
literature
Which of the following is not information we learn about Don Juan in the first Canto of Byron's poem? A. His mother was an overacheiver who kept track of all her husband's faults and had a martyrcomplex. B. Don Juan's formal education ignored anything
asked by dontdelay 
literature
Which of the following was not part of Porphyro's seduction of Madeline in "The Eve of St. Agnes"? A. Sneaking into the house of his father's enemy. B. Spying on Madeline while she prayed and undressed. C. Creating an elaborate scene in her room to deceive
asked by dontdelay 
chemistry
how much sodium chloride and how much water would you need to prepared a 5.00kg of an aqueous solution that is 10.0% NaCl by mass?
asked by roshni 
Math
the sum of the 4th term and the 5th term is 12.if the 4th term of the progression is 8, find the common ratio and the 1st term of the progression.
asked by Malek 
algebra1
Find the domain of the function g(x)= 4/35x I am sorry this is a fraction
asked by robbie 
trigonometry
what does it mean to correct to five decimal places? 0.386174381 0.707929058 0.757944616 0.205573683
asked by Jad 
chemistry
how many grams of drug are in 75mL of a 4% solution/
asked by Anonymous 
Math
Jeremy is in Grade 8. He has a paper route and wants to save for his college education. He determines that he has $100 per month to put into an account at 6%/a compounded monthly. How much will he have at the end of five years for his college education?
asked by Alicia 
math
solve in three variables.. I'm very confused if what equation is the first to solve. 13y=10 x+y+z=39 16x+13z
asked by aldren 
thermodynamic
An air tank with a volume of 20m^3 is pressurized to 10 MPa. The tank eventually reaches room temperature of 25 degree C. If the air inside is allowed to escape without any heat transfer to the environment unit reaches a pressure of 200 KLPa, find the
asked by chris 
math
solve this in 3 variables.. i don't know where to start,,:(( y/4+z/3x/2=4 y/2x/6+z/15=2 y/8+z/5x/3=2
asked by rose 
Math
what is the fractoin of four and four tenths
asked by erick 
thermodynamic
Calculate the work necessary to compress air in an isolated cylinder with initial and final volumes of 6.0 and 1.2 ft^3, respectively. The initial pressure and temperature are 30.0 psia and 50 degree F, respectively.
asked by chris 
math
.the perimeter of a rectangle is 30 m more than three times its width. if the perimeter is 84 m, find the length and width of the rectangle.
asked by mae 
GEOGRAPHY GCSE
please could someone help me im stuck on this question : name three high mountain ranges in temperate latitues with valley glaciers. thankyou
asked by ANNIE 
chem
the gap between two brain cells is 0.0020 nm. how many meters is this
asked by jen 
english
do you think dogs are better than cats ?
asked by kattie 
English
I need your help to check these sentences on air travel. I really hope you can help me. 1) Enter the airport and look at the departures board to check your flight number and the departure time of your flight. 2)Go to the checkin desk to weigh your
asked by Franco 
HISTORY
(This homework question was removed due to a copyright claim submitted by K12 Inc.) You do NOT have to write me my paragraph, but what I would like is for you to answer each question next to a bulletpoint so I can write my paragraph. For example, answer
asked by Katie 
physics
Calculate the number density of strontium titanate (SrTiO3), ρ = 5.12 g cm 3
asked by Bobby 
English
I forgot to include the following sentences. 1)1)About half an hour before takeoff you go to your gate number, where you wait before you get on the plane. Finally, you board the plane and find your seat. 2)If you have a hand luggage, you can put it under
asked by Franco 
math
13y=10 x+y+z=39 16x=13z
asked by aldren 
maths
Set S contains the elements = { 1, 2, 3, 4, 5, 6, 7, 8}. From this set, John takes sets of 6digits each and sums all the possible 6digit numbers that can be formed with those sets. What is the HCF of all these sums?
asked by Anonymous 
please
If the voltage between the two plates of an electric air cleaner is 500 V, how fast would a 1012 kg soot particle with 1 x 1011 C of charge on it be moving if it went from the negative plate to the positive?
asked by sabrina 
reading
book report for deathwatch by Robb White
asked by Anonymous 
algebra 1
can someone show me how to graph this x+4y=8
asked by robbie 
Microeconomics
Since all economies are faced with scarcity, how might nations attempt to minimize the human hardship associated with scarcity?
asked by Anonymous 
comm 155
Describe your experience with credit and credit cards in a brief paragraph using at least five adverbs and five adjectives in your description. Bold the adverbs and underline the adjectives. What is the most effective way to determine whether a word is an
asked by jenny 
geography
In three paragraphs choose one county in Europe you could live in. Tell why
asked by mike 
Chemistry
For the reaction ,2 O3 —> 3 O2,the reaction rate , delta[O2]/delta t , = 3.0M/min. What is the reaction rate, delta[O3]/delta t, for the same time period? A) 3.0 M/min B) –3.0M/min C) 2.0 M/min D) –2.0M/min E) .67M/min
asked by Cathy 
geometry
if the length of RS is 12 and the length of ST is 13 , which of the following could be the length of RT ? A> 24 , B> 26 , C> 28 , D> 29 E> 30
asked by ali 
History
Describe how living conditions in cities changed during the Second Industrial Revolution. Your answer should include • a brief definition of the Second Industrial Revolution • a description of urban life and the problems created by industrialization
asked by Kara 
math
Simplify the expresion: (x^6/x^12)^1/3
asked by Anonymous 
algebra 2
Solve the equation for x. Round your answer to two decimal places. Do not include "x =" in your answer. ln(e^18x) = 9
asked by laura 
Algebra
Use the quadratic formula to find the roots of x^26x=3
asked by Justine 
chemistry
if 200mg of HCl is added to water to achieve a final volume of 1.00 L, what is the final pH?
asked by Maria 
physics
Okay, I have an example problem that I'm trying to solve that comes with the answer; I'm just trying to figure out what to do. A man jogs at a speed of 1.8 m/s. His dog waits 2 s and then takes off running at a speed of 4 m/s to catch the man. How far will
asked by j 
COM/155
Compare and contrast your abilities as an academic writer now as opposed to when you began at Axia College. Using four comparatives and four superlatives within your responses, explain what has led to these changes and what changes you will make in the
asked by dan 
math
How do you determine if a polynomial is the difference of two squares?
asked by mia 
Physics  sound
When wearing proper ear protection, a jack hammer operator experiences a sound intensity of 1x10^6 W/m2. The ear protection purpots to reduce the sound intensity by 100 times. What is the actual sound level of the jack hammer?
asked by Anonymous 
COM/155
Use at least five adverbs and five adjectives to write a brief review of a movie, sporting event, musical performance, or television show. Bold each adverb. Underline each adjective. Compare the event to one or more similar events. When comparing, use at
asked by dan 
Art
I need some good Menu titles for my menu art project. Please help me think of some good titles for menu's!!
asked by Maxiline 
Geometry
If two game boards have the same area, are the game boards congruent? Explain your answer
asked by Anna 
Chemistry
For the reaction ,2 O3 —> 3 O2,the reaction rate , delta[O2]/delta t , = 3.0M/min. What is the reaction rate, delta[O3]/delta t, for the same time period? A) 3.0 M/min B) –3.0M/min C) 2.0 M/min D) –2.0M/min E) .67M/min
asked by Cathy 
Math
1. What are the next two terms of the following sequence? 3, 1, 5, 9... 2. What are the next two terms of the following sequence? 2, 4, 8, 16... 3. What is the common difference of the following arithmetic sequence? 13, 7, 27, 47... 4. What is the
asked by Melanie 
College Accounting
P21A Frontier Park was started on April 1 by C. J. Mendez and associates. The following selected events and transactions occurred during April. Apr. 1 Stockholders invested $40,000 cash in the business in exchange for common stock. 4 Purchased land
asked by Jaycee 
physics
if a man weighing 80 kg falls from 20000 feet , what would be his weght when he hits the ground?
asked by Zarrar 
Geometry
Explain why you cannot use AAA to prove two triangles congruent.
asked by Anna 
Math
A university bookstore recently sold a wirebound graphpaper notebook for $2.64, and a collegeruled notebook for $3.61. At the start of spring semester, a combination of 50 of these notebooks were sold for a total of $168.86. How many of each type were
asked by Tory Smith 
science
Can you give me a website about attoms
asked by jhon 
algebra
what is 2/3 0f $1.58
asked by destini 
math 20
Using the procedure of comlpeting the square, write the equation x^2+y^26x+8y=0 in the form (xh)^2+(yk)^2=r^2. state the domain and range where(h,k) is the center of the circle and r is the radius
asked by Jenna 
Math
DETERMINE the equation of the circle that has the following three points on its circumference: A(1,5), B(3,7) and C(5,5).
asked by kyle 
math
a circular pond has a diameter of 1.8m and a depth of 55cm. if we fill the pond with water, what is its volume
asked by michelle 
Statistics
The heights of the students in a statistics class are approximately normal with mean 68 inches and a standard deviation of 2.75 inches. Suppose that the heights of the 15 male students in the statistics class are also approximately normal with mean 71
asked by Alex 
fractions
can 36/143 be siplified
asked by austin 
math
The cost of thirteen CDs and seven DVDs is $99.80; and the cost of seven DVDs and twelve CDs is $84.11.
asked by Tory Smith 
biology
which kind of mutation affects the individual and which kind of mutuation affects the population?Why?
asked by Anonymous 
Geometry
How much does a four sided polygon equal??
asked by Anna 
math
solve by factoring.. 3x^2+5x2=0
asked by tony 
Research
Information can be evaluated using which of the following characteristics? A. timeliness B. repeatability C. quality D. All of the above. E. A & C above. I chose D because it seems that one would want all of those characteristics for a good piece of info.
asked by John 
History
I need a autobiographical research paper that analyzes the influences of race as it relates to your community
asked by Anonymous 
chemistry
you made up a standard solution of calcium sulfate (CaSO4). the temperature is 25C. you then add 5.00*10^3 odium sulfate (Na2SO4). Calculate the concentrations of calcium and sulfate after equilibrium is reached? The pKs of CaSO4 is 4.58.
asked by Maria 
algebra
polynomial with h+vt4.9^2 50 meters high 30 meters per sec. what is height after 2 sec.
asked by Pat 
french
how would i say "look pretty" in vous form?
asked by liza 
Chemistry
Choose the equations which correctly describe the dissolution of a compound into water. a) CaBr2(s)> Ca2+(aq) + Br2(l) b) sodium bicarbonate(s)> Na+(aq) + HCO3–(aq) c) CH3OH(l)> C4+(aq) + O2–(aq) + 4 H+(aq) d) Ba(NO3)2(s)> Ba2+(aq) + 2 NO3–(aq)
asked by Erika 
statistics
15. Following are the speeds of 40 cars clocked by radar on a particular road in a 35mph zone on a particular afternoon
asked by jared 
calculus
Consider the region of the xy plane between the line y=7, the curve y=3sinx+4, and for pi/2 is less than or equal to x which is less than or equal to pi/2. Find the volume of the solid generated by revolving this region about the line .
asked by Sam 
english
What are the adverbs in this sentence? Grace watched him rather disgustedly.
asked by amy 
chemistry
balance the chemical equation: Al(OH)2 Al^2+ +OH^
asked by Maria 
6th grade math
What is the number of 5/6s in 3? Is the answer 18/ 5 ? If not, please explain.
asked by Suzanne 
coding
how do you differenciate v code inpatient to v codes outpatient setting
asked by nirva 
Analytic Math( Grade 10)
A contractor rented a sander for 5h and a polisher for $50. For another job, she rented the sander for 4h and the polisher for 8h. The rental fees for the job totalled $56. Find the hourly rate charged for each tool.
asked by Afreesh 
Business
A term for research procedures that test some sort of stimulus as a proxy for a new, revised, or remarketed product or service. A. experience survey B. situational analysis C. thematic apperception test D. concept test I've eliminated A and C but can't
asked by Steve 
Algebra 1
Graph the function f(x)= 3x. Please Help! Thank you so much
asked by Esther 
advance algebra
1. 2(6x+13)7 >= 21 ">=" is greater than or equal
asked by linear inequalities 
health care
The United States is the leader among industrialized nations in which of the following health categories? Choose one answer. a. Proportion of Gross Domestic Product (GDP) spent on health services b. Life Expectancy at Birth c. Lowest Infant Mortality d.
asked by venkateshwar reddy 
calculus
Consider the region bounded by the parabola y=x^2 and the line y=16 . (a) What is the volume of the solid generated when revolving this region about the line y=16 ?
asked by Sam 
health care
The Roemer Model of Health Services Systems is only applicable to the US health services system? Choose one answer. a. True b. False
asked by venkateshwar reddy 
health care
The Social Security Act of 1965 introduced which of the following government sponsored health insurance programs? Choose one answer. a. Medicare and Medicaid b. Women's, Infants' and Chrildren's (WIC) program c. Tricare d. Workers' Compensation
asked by venkateshwar reddy 
ALGEBRA
not sure if this answer is correct frustrated find the reciprocal of 5 3/4 i think its 4/23 doesn't seem like i did the formula the correct way
asked by So Lost 
Algebra 1
Graph the function by plotting by points f(x)=1/4x+12. Thank you. You'll never know how much your help means to me. Thank you.
asked by Esther 
Network
Suppose ABC Company have an office in Lahore. It has currently 50 computers. Now, Management is going to buy a new building in front of old building. They want to extend their network between these two buildings with 50 new computers. : Answer the
asked by Furqan 
Algebra 1
Graph the function f(x)= 1/4x+12. Thank you. Someone answered this question, but I did not understand their explanation. Thank you for yor patience and for being clear in explaining the solution.
asked by Esther 
English 12
How are annotations in The Tragedy of Macbeth, Act 1 helpful?
asked by Carole 
micecomonic
I purchased a pair boot in the past month from a shoe store describe how each of the 4 factors contributed to the elasticity of the good.
asked by Roselyn