Questions Asked on
March 13, 2009

physics
A concave mirror forms a real image at 17.0 cm from the mirror surface along the principal axis. If the corresponding object is at ta distance of 36.0 cm, what isi the mirror's focal length? let u be the object distance let v be the image distance v=17 cm
asked by physics 
psychology
1. The experimental rats were being raised in separate environments. One group lived in the traditional cage in a quiet, but well lighted room. They were supplied with plenty of food and water. The second group inhabited "Rat Disney Land." There were
asked by shawn 
Literature / Short story I
1. During what part of “Bernice Bobs Her Hair” does Bernice cut Marjorie’s braids? A. Climax C. Falling action B. Rising action D. Epiphany 2. The label detective novel is an example of A. a character study. C. a genre. B. informational reading. D. a
asked by Brittany 
physics
please check these: A concave mirror with a focal length of 10.0 cm creates a real image 30.0 cm away on its principal axis. How far from the mirror is the corresponding object? a. 20cm b. 15cm c. 7.5cm d. 5.0cm B A diffraction grating that contains 650
asked by physics 
Calculus
I wanted to confirm that I solved these problems correctly (we had to convert the polar curves to Cartesian equations). 1.rcos(theta)=1 x=1 2.r=2*sin(theta)+2*cos(theta) r^2=2rsin(theta)+2rcos(theta) x^2+y^2=2y+2x (a little unsure what do next if this is
asked by Joshua 
Calculus
Given the equation xy = 2, set up an integral to find the length of path from x = a to x = b and enter the integrand below. I did the integral from b to a and set it equal to the sqrt(1+4/x^4), because I found y to equal 2/x and the derivative to be
asked by Katelyn 
chem
how would I do the elimination reaction of 2chloropentane. When I figured it out I got the products as being 1pentene and hydrogen chloride. Is this correct?
asked by Lena 
algebra 2
how do i put x^4 + 5x^2 8 into quadratic form?
asked by misty 
Chemistry
A 0.1300 g iron ore sample was dissolved in hydrochloric acid and the iron was obtained as Fe2+(aq). The iron solution was titrated with Ce4+ solution according to the balanced chemical reaction shown below. After calculation, it was found that 0.0259 g of
asked by Bob 
math
a man is 6ft tall and he casts a shadow of 5 ft, if a tree casts a 30ft shadow, how tall is the tree?
asked by fred 
physics
If you stand 3.0 m in front of a flat mirror, how far away from you would yourimage be in the mirror? 6.0 m If light waves are coherent, a. they shift over time b. their intensity is less than that of incoherent light c. they remain in phase d. they have
asked by physics 
calculus
The function 9x+3x^1 has one local minimum x=?? and one local maximum x=??.
asked by mkcolema 
algebra
Permutation For the lunch special, you can choose an entrée, a drink, and one side dish. How many meal choices are there
asked by jaz 
mathcalc
Consider the function f(x)= (2x+8)/(6x+3). For this function there are two important intervals: (inf, A) (A, inf) and where the function is not defined at A . Find A For each of the following intervals, tell whether is increasing (type in INC) or
asked by mkcolema 
math
Jen wants to enlarge a 4 inch by 6 inch photo so that the longer side will be 14 in, how long will the shorter side be?
asked by fred 
accounting
Why should an auditor make decisions in the public interest rather than in the interest of management? This is what I have so far. What else can I use? They are made in the interest of all current and potential (public) shareholders.... if a company makes
asked by Anonymous 
Physics
As the distance between two masses increases, the gravitational force of attraction between them Decreases Increases remains the same
asked by Jill 
Romeo and Juliet Help (24 hours and no response)
I posted questions yesterday and it's on the next page. Could you please check them and get back with me thanks.
asked by lala 
chem
for the equation: propane + bromine how do I know on which carbon the Br would attatch itself to.
asked by Lena 
chem
Why do we use excess reactants in a chemical reaction? Why are percent yields usually less than 100%? Is it because we want to maximize the amount of products produced, and reactions usually end up in a loss of reactants to the air, etc?
asked by bob 
economics marginal cost analysis
Vaska Electronics has discovered a theft problem at its warehouse and has decided to hire some security guards. The following table shows the number of security guards and the amount of theft per week: (#of security guards)(#of stolen radios) 0 50 1 30 2
asked by b182 
science
Bacterial action purifies water in lakes, streams, oceans, and BLANK? The options are in the air, deep underground, in the first couple inches of soil, or on the surface of the ground? thanks for your explanation :)
asked by Nikkie 
stats
Violence in School, I An SRS of 400 American adults is asked “What do you think is the most serious problem facing our schools?” Suppose that in fact 40% of all adults would answer “violence” if asked this question. The proportion p of the sample
asked by jaz 
literature
Your strategy meeting with the project managers was very efficient. They have asked if you would be able to take part in the creation of the presentation itself. In working with the head project manager, you decide that you will create the first portion of
asked by donna 
math problem
64. Commuting Students. At a well known university, ¼ of the undergraduate students commute, and 1/3 of graduate students commute. Onetenth of the undergraduate students drive more than 40 miles daily, and 1/6 of the graduate students drive more than 40
asked by Debbie 
It's been more than 24 hours and no answer...
A translation has this rule:(x5,y). Fill in the answers This translation is (how many) Units (in what direction)
asked by Brian 
physics
is this done correctly? A stepdown transformer has 16000 turns on the primary and 95 turns on the secondary. If the rms emf across the secondary coil is 120 V, what is the maximum emf across the primary coil? Np=16000 Ns=95 turns Vs=120V Vp=? Ns Vs ___ =
asked by physics 
statistics
hi,what a great site ! i've been asked to write a report about (data display),dont know what to do, please help, thanks in advance.
asked by Hani 
English
"Without undervaluing any other human agency, it may be safely affirmed that the Common School, improved and energized, as it can easily be, may become the most effective and benignant of all the forces of civilization."(Horace Mann) I know what Mann is
asked by Lou 
mathcalc
for x (12, 10) the function f is defined: f(x)=x^7(x+2)^2 On which two intervals is the function increasing (enter intervals in ascending order)? Find the region in which the function is positive Where does the function achieve its minimum?
asked by mkcolema 
english
can someone help me analyze this poem The Hair: Jacob Korman's Story Ten kilometers from Warsaw, I arrived in Rembertow where hundreds of Jews had lived until the wheel turned: Judenrein. You think they let themselves be taken? They would not fill the
asked by nathan 
Healthcare
I need some help with what are some of the implications to health care providers in African American and Caucasian? Considering cultural views on the health as organic, health as harmony and disease as a curse or stigma
asked by kia 
English
I have been search online for sources that will help me understand the text of Report of the Massachusetts board of education by Horace Mann better , but I found absolutely nothing. I am looking something that will give me a summary or help me know that I
asked by Lou 
Chemistry
I'm having alot of trouble in chemistry. Currently were studying chemical equations and reactions. I would like to know if this is a single or double replacement reaction. 2Li + H2O > 2LiOH + H2
asked by Alexandria 
algebra 2
if g(x) = 2x+1 find g[g(x)]
asked by misty 
SAT Essay
Reposting. Think carefully about the issue presented in the following excerpt and the assignment below. The history of human achievement is filled with stories of people who persevere, refusing to give up in the struggle to meet their goals. Artists and
asked by Sahil 
ENGLISH
I KNOW THE ANSWER JUST NEED HELP WITH RATIONALE 1A.Did you know a famous animalrights activist has criticized horseracing because of the dangers involved? 1b. Did you know a famous animalrights activist have criticized horseracing because of the dangers
asked by TERRIA 
geology
is this ok? harry hess studied the arced chains of islands with active volcanoes. in 1953 he discovered the great global rift. he is also know for his theriores on the sea floor spreading. alfred Wegener. alfred is remembered by his theory of the
asked by scooby91320002 
math
What is the slope of the line whose equation is 3x4y16=0 a 3/4 b 4/3 c 4 d 3
asked by Anonymous 
geology(science) am i correct
Respond to the following scenario: o Your younger brother is in 5th grade. He comes home and tells you to look at an animation his teacher showed him in geology class. o Review the Continents of the Past animation on this week¡¦s aXcess page. o After
asked by scooby91320002 
Algebra
Given the function f described by f(x)=+10, Find each of the following f(0)= Given the function h described by h(x)=9x,find each of the following a) h(15) b) h(11) c) h(34)  h(15)
asked by Shawna 
Algebra
Can somebody help me please? As you are leaving the community, you notice another new community just down the street. Because you are in the area, you decide to inquire about it. a.) The sales rep. here tells you they also have two floor plans available,
asked by A.W. 
accounting
Can anyone help me with this? What was the prime motivation behind the decisions of Arthur Andersen’s audit partners on the Enron, WorldCom, Waste Management, and Sunbeam audits: the public interest or something else?
asked by tim 
1st grade
Is this sentence correct Breakfast Is Served Between 6:30 AM & 10:30 AM
asked by Maddy 
KC
Is anyone aware of some good links to sites which discuss and explain GForce? I've searched but haven't come up with anything very worthwhile.Something with practice problems would be great. Thanks!
asked by Physics 
geology(science) am i right?
Respond to the following scenario: o Your younger brother is in 5th grade. He comes home and tells you to look at an animation his teacher showed him in geology class. o Review the Continents of the Past animation on this week¡¦s aXcess page. o After
asked by scooby91320002 
Re teachers year 8 Re
i need some help badly. i am learning about the 12 disciples of Jesus.i know the names but i need to write a sentence about each disciple and im not sure what to write. ive looked on google and on different websites but i am still struggling. i would be
asked by freya 
BIOLOGY
What are the differences between the effects on excessively high, cool, and freezing temperatures on a living organism as compared with an enzyme? What is the significance of these differences?
asked by cubanita 
sports
why is strenght endurance speed flexibility body composition agility balance coordination power reaction time all important to an athlete
asked by elizabeth 
Maths
How do you solve 1/2x^2  x + 4 ?
asked by Gambler 
physics
please check this one question: Which interaction of nature binds atoms and molecules by attracting unlike charges and repulsing like charges? a. strong b. weak c. electromagnetic d. gravitational A
asked by physics 
sci.
How do you rank water in terms of density (solid liquid and gas)? (from least to greatest). I think it would be gas, solid, and liquid, but I just wanted to confirm this thanks
asked by Thalia 
mathcalc
A rectangle is inscribed with its base on the xaxis and its upper corners on the parabola y+1x^2. What are the dimensions of such a rectangle with the greatest possible area? width? height?
asked by mkcolema 
English
1. I will bring you it. 2. I will bring it for you. 3. I will bring it you. (Among the three is only #2 correct?) 4. He looks like a mad man. 5. That sounded like a lion. 6. He felt like a healthy man. 7. The fish smelled like a bad vegetable. 8. The bread
asked by John 
Poem
I wrote this poem and was wondering if someone could please edit it for me...thanks a million for the help =] In my dreams, creeps up a guy, Mysterious he is; as I know him not. He smiles and I gazewith a heartfelt sigh, Daydreaming often of a true love
asked by mysterychicken 
Financing and Budget
If an employer fails to pay state employment taxes on a timely basis, the rate on FUTA taxes will A.remain the same B.be lower C.increase by 100% D. increase I picked C can someone check my answer.
asked by Cynthia 
critical thinking
The philosophers described above make which of the following assumptions about philosophy as a scholarly discipline?
asked by Anonymous 
french
is this written correctly? question: A qui est ce cahier, cette chaussure at ce gant? answer: Ces chosesl¨¤ sont ¨¤ moi.
asked by Angie 
English
1. I will buy Mom a scarf for her birthday. (What is the part of speech of 'for her birthday'? Is it an adjective phrase modifying 'scarf', or is it an adverbial phrase modifying 'buy'? 2. Look at the little boy. (What is a little boy? A young boy or a
asked by John 
chem
how do you balance Al +Cl2>Al+3 +Cl 2 is a little subscript in the corner in the bottom. +3 and  go on the top corner. my teacher got 2Al + 3Cl2 > 2Al+3 + 6Cl where does the 2 and the three come from
asked by jen 
Science
The label on a fertilizer says "ammonium phosphate, muriate of potash, sulfate of potash, and manganese oxide." Is this a mixture, solution or a compound? I don't think it could be a solution, but I'm not sure if it'd be a mixture or a compoundThank you.
asked by Sarita 
Reading
What stinks when alive but smells good when dead?
asked by Samantha 
mathcalc
f(x)=33x^2 3
asked by mkcolema 
English
1. He inquired of me a question. = He inquired of a question of me. (Are both the same and grammatical?) 3. He chose me a chestnut. He chose a chestnut for me. 4. He found me a good library. He found a good library for me. 5. He left me a persimmon. He
asked by John 
algebra 2
what are the rational zeros of x^3  x^2  10x 8 = 0
asked by misty 
algebra
What is this called? If a>b and b>c, then a>c
asked by Arissa 
mathcalc
f(x)=(5x4)e^2x How do you find the one critical number??
asked by mkcolema 
Literacy
Around what time period was it in the chronicles of Narnia?
asked by Angie 
1st grade
what has 4 sides and 3 vertices?
asked by genna 
mathcalc
f(x)=2x^336x^2+162x6 small critical number? Large critical number?
asked by mkcolema 
Business Law
one o the larger problems in doing business over the web is assuring electronic signatures. What are a few ways esignatures might be more reliably authenticated?
asked by jack 
Great Depression
Can someone find me sources for Involvement Cause of the great depression. I found some but they are not enough.
asked by Chopsticks 
drwls + Ms Sue geog yr 8
thanks so much to both of you for finding the websites they have helped alot.:)
asked by misha 
9th grade
what are energy bar graphs?
asked by shana 
Math
how do you factor y^41 completely?
asked by Angie 
math
what is a interval
asked by kaitlyn 
algebra 2
what are the rational zeros of x^3  12x  16
asked by misty