Questions Asked on
July 4, 2011

physics
a woman walks 250 m in the direction 30 degree east of north,then 175 m directly east.A) using graphical methods,find her final displacement from the starting point.B) compare the magnitude of her displacement with the distance she walked.,
asked by mark paul 
chemistry
can O3, AsH3 and H2Se act as a lewis acid? please explain.
asked by Bill 
Chemistry
Two lists of nucleophiles: H2O CH3CH2OH H3CO CH3COO OH OH H2N CH3CH2O H3COH (CH3)3CO The first part is to give the strongest nucleophile in group 1. I picked H2Nbecause its the strongest base. Part two asks for the BEST (doesn't say strongest)
asked by Carole 
stats
TABLE 1 The general manager of a chain of pharmaceutical stores reported the results of a regression analysis, designed to predict the annual sales for all the stores in the chain (Y) – measured in millions of dollars. One independent variable used to
asked by Maggie 
Chem
10 grams of sodium chloride is treated with excess silver nitrate AgNO3 + NaCl =AgCl +NaNO3.. HOW MUCH IS PERCIPITATED
asked by Jessica 
Physics  Newton's first law
A pair of fuzzy dice hang from the rear view mirror of a car. For each of the motions indicate which way the dice would move and why: a) constant velocity forward b) speeding up backward c) slowing down forward I understand that when the car's state of
asked by Allison 
Physics
three masses are suspended from a meter stick as shown. How much mass must be suspended on the right side for the system to be in equilibrium?
asked by Faith 
Nutrition
How many grams of nitrogen are contained in a 2,500 kcal diet that provides 15% of the energy as protein? What would be the approximate weight gain of a person who consumes an excess of 500 kcal daily for one month? Which of the following is an FDA
asked by allison 
Math
Let (3,2) be a point on the terminal side of theta. Find cos theta, csc theta, tan theta?
asked by Chander 
math
a motorist goes 78km in 40minutes calculate it speed
asked by Anonymous 
chemistry
Glauber's salt undergoes a phase transition according to the following equation: Na2SO4*10H2O(s)> Na2SO4*10H2O(l) ∆H = 74.4 kJ/mol Calculate the mass (g) of Glauber's salt (use the masses to two decimal places found in the front of your text) needed to
asked by lynn 
Science
Calculate the mass of O2 produced of 3.450g potassium chlorate is completely decolmposed by heating in the presence of a catalyst (Magnese dioxide).
asked by Tamara 
phy
Starting from rest, a car accelerates at 3.0 m/s^2 up a hill that is inclined 5.9 ^\circ above the horizontal. 1How far horizontally has the car traveled in 14 s? 2How far vertically has the car traveled in 14 s?
asked by elin 
geometry
In parallelogram ABCD, A (0,0),B(a,b)and D(c,0)are three of it's vertices, what are the coordinates of C in terms of a,b,c
asked by katie 
Grammar
Question: When two words act as a single modifier, or adjective, for a noun, this is called a/an ________. a. compound modifier b. coordinating conjunction c. adverb modifier d. prepositional phrase ANSWER: a. compound modifier
asked by LeslieTo:Writeacher 
physics
An elevator starts from rest with a constant upward acceleration and moves 1m in the first 1.4 s. A passenger in the elevator is holding a 6.3 kg bundle at the end of a vertical chord. what is the tension in the chord as the elevator accelerates? The
asked by alexa 
math
A surveyor has a unit pace of 0.9 m/pace. (a) she counts 37 paces while walking From point C to point D. What is the distance between C to D? (b) how many paces should the same surveyor. count to lay out a line roughly 122m long?
asked by sal 
Physics
The engine is in the back of the train it is pushing. The passengers were in the car closest to the engine. There were five cars in total. The front car had one person in it. When he noticed a semi truck trailer sitting on the track he pulled the emergency
asked by Dakota 
geometry
In parallelogram ABCD, A (0,0),B(a,b)and D(c,0)are three of it's vertices, what are the coordinates of C in terms of a,b,c
asked by katie 
Finance
Security A has an expected return of 7%, a standard deviation of returns of 35%, a correlation coefficient with the market of 0.3, and a beta coefficient of 1.5. Security B has and expected return of 12%, a standard deviation of returns of 10%, a
asked by Jamal 
macroeconomics
which combinations of fiscal policy actions would most likely be offsetting? A) increase taxes and government spending B) decrease taxes and increase government spending C) increase taxes, but make no change in government spending D) decrease taxes, but
asked by james 
biology
In chickens, males have two Z sex chromosomes (ZZ) and females have one Z and one W sex chromosome (ZW). The mechanism for inheritance of the sex chromosomes is exactly the same as for X and Y sex chromosomes in other species. In chickens the character of
asked by mj 
physics
I have a question based off of the response to the question I posted below. A dragster and driver together have mass 918.8 kg. The dragster,starting from rest,attains a speed of 25.8 m/s in .53s . Find the average acceleration of the dragsters during this
asked by alexa 
arithmetic
If the numerically smaller root of x2+mx=2 is 3 more than the other one, find the value of m
asked by vinay 
Accounting
Your firm uses return on assets (ROA) to evaluate investment centers and is considering changing the valuation basis of assets from historical cost to current value. When the historical cost of the asset is updated, a price index is used to approximate
asked by Jamal 
algebra 1
I was given this interesting problem: The length of a rectangle is 6 feet longer than its width. The perimeter is less than 48 feet. Write a mathematical expression for the width of the rectangle. How do I go about doing this?
asked by Elle 
chemistry
If an iceberg at 0 degrees C has a mass of 200,000,000 kg, how much heat would be required to melt the entire iceberg and raise the melt water to 8.0 degrees C?
asked by lynn 
science
the volume of nh3 at stp needed to pass into 30 ml of in h2so4 solution to bring down its strength to m/10
asked by aditya 
science
the volume of nh3 at stp needed to pass into 30 ml of 1N h2so4 solution to bring down its strength to m/10
asked by aditya 
Algebra 2
Determine whether the function is even, odd, or neither. f(x)=4x²+5x Its odd right?
asked by Reanna 
chemistry
give the full, ionic and net equations for the reaction (if any) that occurs when aqueous soulutions of Na2CO3 and MgCl2 are mixed.
asked by Kayla 
Accounting
Panarude Airfreight is an international air freight hauler with more than 45 jet aircraft operating in the United States and the Pacific Rim. The firm is headquartered in Melbourne, Australia, and is organized into five geographic areas: Australia, Japan,
asked by Jamal 
Accounting
you have just won the National Publisher's Sweepstakes. You have two options, you can receive ten, $500,000 semiannual payments starting today, or you can take your winnings in a lumpsum payment now based on 7% annual interest rate. Determine the
asked by Jessica 
American Gov
What percentage of voters are young voters? 1825 of age?
asked by Jial 
economic
suppose marijuana legalized in usa .what will happe to the quantity of marijuana (i.e purchased and sold )if the demand of marijuana rises by more then the supply of marijuana falls (hear Demand curve is shifting left)
asked by tanvir 
Algebra 1
So I have this problem: Dave can vote. (18 or over.) Dave is 5 years older than Jim. Jim is not old enough to vote. Write a mathematical inequality expressing Dave's age. (Hint: determine Dave's maximum and minimum age.) So I have his minimum age as 18 and
asked by Veronica 
arithmetic
What is the percentage change in the volume of a sphere if its radius increases by 20%?
asked by vinay 
algebra 2
a research station in antartica is at approximately 75 degreess latitude. how many miles is the station from the equator, given that the radius of the earth is approximately 4000 miles? round your answer to the nearest mile.
asked by alicia 
Math
Company Alpha rents a compact car for $20 per day plus $0.09 per mile. Company Beta rents the same type of car for $29.5 per day plus $0.04 per mile. Suppose you want to rent a car from company Alpha for 5 days. How many miles can you drive the car before
asked by Staffon 
English
Hello again. Please help me with several more questions. 1)Is it possible to say "treaty about" or is it only "treaty on (nuclear disarmament)"? 2)Is the verb "proclaim" OK in the context "he proclaimed that children were starving in Zimbabwe"? 3)Does
asked by Ilma 
Algebra II
Determine whether the grapg of the given equation is symmetric with respect to the xaxis, yaxis, and/or the orgin. f(x)=3x²+1 x²+y²=81
asked by N/A 
biology
Which of these statements concerning the centromere is NOT true? a. it appears to join dupicated DNAs b. It anchors proteins to DNA. c. Its position along the chromosome varies d. It is visible as a constriction on the chromosome. e. IT is where sister
asked by akim 
English
Hello. I'm very grateful for all your help, and I need some more. 1)Is the article necessary in the following context: "(the)Libyan armed forces launched a military campaign against the rebels"? 2)Is it possible to say: "the situation has greatly /
asked by Ilma 
English
I urgently need to know your opinion on this: Complete the sentences with the missing phrases: 1) g..... u.... together. 2) b....... friends 3) ......... on the phone 4) h......... a party How would you complete the phrases? Where .....live now? Where do
asked by Henry2 
biology
A poultry farmer hopes to profit from the current craze for keeping egg laying chickens as pets and wishes to increase his stock of interesting and unusual breeds. (a) The farmer crossed a purebreeding white chicken with a purebreeding black chicken and
asked by mj 
Math
Bayside Insurance offers two health plans. Under plan A, Giselle would have to pay the first $50 of her medical bills, plus 30% of the rest. Under plan B, Giselle would pay the first $90, but only 25% of the rest. For what amount of medical bills will plan
asked by Toni 
macroeconomics
Generally speaking, the greater the amount of financial wealth people hold in the form of nearmonies, the: A) greater is their willingness to spend out of their money incomes, B) less is their willingness to spend out of their money incomes, C) greater is
asked by james 
arithmetic
What is the sum to 15 terms of an arithmetic progression whose 8th term is 4?
asked by vinay 
physics
If an iceberg at 0 degrees C has a mass of 200,000,000 kg, how much heat would be required to melt the entire iceberg and raise the melt water to 8.0 degrees C?
asked by lynn 
English
Could you please check these last few sentences, please? Thank you in advance 1) What did you like most among the various topics we dealt with during your school year? 2) Are you going to continue your study of English at university? 3) Are you going to
asked by Henry2 
Geometry
I having diffucltly with this triangle.This trangle angles are 3x,4x,x.You have to solve for x.I know you have to use the triangle sum therom.I got 7x=180.That would equal a decimal point which is not right.It has to be whole number.
asked by Anonymous 
science
what scientic evidence would you need to seettle the claim that famines are caused more by human than enviromental
asked by sandy 
math
Show that f(x) = f(x)
asked by juan 
chemestry
How many molecules of water are present in 3.45 mL of water at 4°C?
asked by luis 
true
4.005 < 4.05
asked by hi 
English
Why is it wrong to say " a child of six years old" and is possible to say "a sixyearold child"? Example: My family consists of /is made up of/ is composed of two adults and two children, six years old and ten years old. But: .... of a sixyearold child
asked by Henry2 
chemistry
What will be the concentration % of 50ml ethyl alcohol and 150 ml water
asked by Manan 
math
how would i get the domain and range of f(x)= sq.root of 3x4? pls. explain.
asked by geekgirl95 
business law
Do you think that business law is necessary to promote trade & business in Bangladesh?write a short essay.
asked by ithneen 
biology
Growth factors a. are adhesion substances b. inhibit the cell cycle c. can cause neoplasms d. invite transcription of growth genes e. are nucleic acids is it b?
asked by akim 
human service
I need help on how to answer this question. I am not sure where to begin. Discuss the implications of your values for your work as a human service professional
asked by patiance 
English
Thank you for your hotel raccommandations! Do you think that "Holiday Inn" West Yellowstone is a good choice??
asked by Henry2 
Algebra 2
Simplify: 1/xy + 1/yz + 1/xz
asked by Amanda 
health/help me please
I am confused because it depend on the quantity and in my question they did not list it . It can be too the METHAMPHETAMINE as 1st offense please help me pick the write answer I read it more than one time
asked by joy 
English
Can you please check these statements, please? Thank you. 1) Britain was unprepared for the use of the terrible destructive modern artillery, machine guns and tanks, and the use of gas and shells durin the attacks. 2) Shell shock was the term used by
asked by Henry2 
Algebra 2
Solve: (x3)^2= 4
asked by Adam 
Math
Let f(x) = x^4 + 2x^2 + 1 / x + 1 Find f(x)and determine if f is even, odd, or neither.
asked by MSM 
Algebra 2
f(x)=(6x6)/4 g(x)=1/x Find (f/g)(x) f(x)=6x7 g(x)=8x3 Find (fg)(x) f(x)=24x g(x)=6x+4 Find (f+g)(x)
asked by Reanna 
World Lit
what is the theme of the story: Confession by Jean Jacques Rosseau
asked by renee 
english
I am really struggling to write and example of figurative language device, emphasis. How would I do this? I have one written for repetition, but I am not sure how to do emphasis.
asked by lizzie 
Statistics
For a population that has a standard deviation of 10, figure the standard deviation of the distribution of means for samples of size: 3
asked by Christy 
Computer science
What is the difference between c++ and c#.secondly if i'm to write a program on hello world with c#,i do i go about it?
asked by Malosky 
Ethics
I have to read the essay "Some Moral Minima" by Lenn Goodman. I have tried to read this a zillion times and I don't know if it's my ADD or what, but I cannot wrap my mind around this unless I sit and look up each word out of the dictionary. Can someone
asked by Holly 
arithmetic
How many 2digit numbers, with tens digit less than units digit, have the sum of digits equal to 3 times the difference?
asked by vinay 
English
A friend of mine wrote these sentences as part of a test. She told me the correct phrases should be: glow up together have/host a party become/be friends send emails write letters go on a blind date talk on the phone Actually, I don't know the meaning of
asked by Henry2 
health/check please
The first offense for federal trafficking penalties that is not less than 10 years and not more than life applies to wich drugs: a) cocaine b) Heroin c)Methamphetamine d)LSD e)none of the above My answer is A
asked by joy 
science
the volume of nh3 at stp needed to pass into 30 ml of in h2so4 solution to bring down its strength to m/10
asked by aditya 
English
I forgot to add these sentences. Thank you very much. 1) The rise in population caused an increase in the demand for clothes. As more energy was needed to drive machinery, the steam engine (power?) was introduced (developed?). 2) The introduction of the
asked by Henry2 
psy
Explain the biological, emotional, cognitive, and behavioral components of postpartum depression
asked by JT 
true or false
Write a true sentence using either < or > 4.005 __ 4.05
asked by hi 
MATH STATS
For each of the following samples that were given an experimental treatment, test whether these samples represent populations that are different from the general population: (a) a sample of 10 with a mean of 44, (b) a sample of 1 with a mean of 48. The
asked by Vanessa 
statistics
What is the probability that, in a random sample of 100 drivers aged 16 to 18, 23% or more would be involved in accidents in a one year period?
asked by Reuben 
chemistry
can O3, AsH3 and H2Se act as a lewis acid? please explain.
asked by Bill 
Algebra 2
Factor x^35x^250x/x^4+10x^3
asked by Amanda 
Media Influences on American Culture
Take the role of Director of marketing for WhizBang Games as it evaluates various forms of Social media in helping to create a "buzz" around the latest game, Master Dynasty; a social game
asked by carrie 
English
I forgot to include the following sentences. Thank you. 1) Which authors, among the ones you studied this year, was born in Ireland? Can you make a distinction between the Wildean dandy and the bohemian? How does the Wildean dandy distinguish himself from
asked by Henry2 
GRAMMAR
Question: After 5 p.m., the nurse will be unable to see her ( anymore, any more.) Answer: = anymore Why is this the answer? Thanks
asked by LeslieTo:Writeacher 
Pre calculus
f(x)={ x+5, if x>0 3, if x
asked by HELP 
math
what is the exact area of a circle with a diameter of 15 inches?
asked by jenna 
Algebra 1
I have a problem that says: Combine these two statements into a single mathematical statement: x>2 and x
asked by Ashley 
Healthcare Administration
Metropolis currently has $1,150,000 in cash. How long would it take them to accumulate $2,000,000 in cash? Assume an interest rate of 5 percent.
asked by Nancy 
arithmetic
The number of nonnegative solutions of the equation 12x+7y =35 is?
asked by vinay 
science
During a storm, the wind traveled 90 km/h. after 2 min, the wind become stronger and traveled at 130 km/h. assuming the rate of speed occurred at a constant rate, what was the acceleration of the wind in m/s(squared)???
asked by brayn 
Algebra 2
Simplify: (x^34x)(x^24x+4)^1
asked by Josh 
algebra
what is the answer of the sum of a and b's age is 32; b and c's is 39; a and c's is 62. how old is c?
asked by teresa 
Algebra 2
How do I factor 4x+12??
asked by Adam 
Algebra II
f(x)= 1/(x+2) i have to graph this, can some one please help me!
asked by HELP 
Math
solve 2x^2= 3x+6
asked by Richie 
math
what is the greatest comnmon factor of 75 and 55 and 70 ?
asked by la 
English
1) Why is "at university" wrong? Does this word always be followed by "a" or "the"? Thank you. 2) Can you help me express this? You found it difficult to express your personal opinions as well as to revise your topics critically.
asked by Henry2 
Elem. Statistics
What is the level of measurement for the following variables? I know a.& b., but I am not clear about c. a. Gender: Nominal b. Age: Ordinal c. Accident: Please help me with c.
asked by Simple Stats 
Algebra 2
Simplify: a+1/a1 times a^21/(a+1)^2
asked by Josh 
pharmacology
Cocaine causes painful ulcerations of the mucosal layers of the nose. Why would someone be motivated to continue using this route of administration even with this problem? How quickly can death occur with acute overdose of cocaine? What treatment would be
asked by Anonymous 
science
A patient presents with angina pectoris due to inadequate blood supply. Which diagnosis best describes this condition?
asked by megan 
English
I think I made a mistake. Which authors, among those you studied this year, were (not was?) born in Ireland?
asked by Henry2 
Substitution Method
4x+5y=12 2y=6x+8
asked by Alexis 
psychology
Rennee Thanks you Rennee so much
asked by Deanie 
Algebra 2
Solve: (x3)^2= 4
asked by Adam 
biology
what is the scientific study of heredity
asked by haley 
Algebra II
f(x)= 1/(x+2) i have to graph this, can some one please help me!
asked by HELP 
art
does anyone know anamorphic art?if yes,can u somehow teach me?( the measurements to be taken,things like that...)
asked by Nayam 
English
Thank you very much. Can you please tell me if "get us together" is possible?
asked by Henry2 
Graphing Method
y=4x+3 y=x5
asked by Lexi 
Simplifying Expressions
2x^2+x5(2x^2+x+5) 2x^2(3x^22x4)
asked by Deborah