Questions Asked on
December 18, 2009

physics
What will a spring scale read for the weight of a 50 kg woman in an elevator that moves as follows? (a) upward with constant speed of 3.0 m/s Enter a number.1 N (b) downward with constant speed of 3.0 m/s Enter a number.2 N (c) upward with acceleration of
asked by kim 
Physics
1) Is it accurate to describe the physical universe as composed of only matter and energy? 2) How is it possible that only 92 elements are found in the natural world but there are millions of different types of molecules? I really have no clue about these
asked by Hannah 
chemistry
what is the color changes if FeCl3 added with pure aspirin?
asked by ida 
4 grade
How many outfit combinations are possible with 1 pair of sneakers, 3 teeshirts and 2 pairs of jeans? Drawing a diagram might help to illustrate your strategy.
asked by gianina 
chem
. What effect would vapor condensation in the neck of the 15mL Beraltype pipets have on the reported molar mass? How large an error might this introduce?
asked by 3 
Literature
'A symbol is a person, place, or thing, or an event that stands for itself and for something beyond itself as well. What do you think the abalone shells symbolize or represent? Consider how the narrator describes the outside of the shell as well as the
asked by mysterychicken 
arithmetic
i need help solving this problem: 2.75+.003+.158?
asked by betsy 
English
1. He has broken the window. 2. The window has been broken by him. 3. The window is broken by him. (Which one is the active voice sentence of #1?)
asked by rfvv 
poetry
describe what happens at king arthur's court that shows the green knights superhuman qualities
asked by sam 
pre calc
The Identity Function The Squaring Function The Cubing Function The Reciprocal Function The Square Root Function The Exponential Functional Lo The Natural Logarithum Function The Sine Function The Cosine Function The Absolute Value Function The Greatest
asked by kim 
Physics
1) A child on a playground swing makes a complete toandfro swing each 2 seconds. The period is: 0.5 Seconds 2 Seconds I think the answer is 2. Am I correct? 2) The period of a 440 Hertz sound wave is ___ seconds. 1/440 440 I think the answer is 440. Am I
asked by Hannah 
science
What is a complex carbohydrate manufactured by plants?
asked by Damarius 
Algebra Word Problems
A manufacturer has decided to come out with a new and improved toilet. The fixed cost for the production of this new toilet line is $16,000 and the variable costs are $68 per toilet. The company expects to sell the toilets for $154. Formulate the function
asked by mike 
chemistry
DeltaH and DeltaU are nearly the same in all the following processes except a.F2(g)+H2(g) > 2HF(g) b.3O2(g) > 2O3(g) c.CuO(s) +H2(g) > Cu(s) +H20(g) d.CH4(g) +CI2(g) > CH3Cl(g) +HCl(g) e.C6H6(s) > C6H6(l)
asked by jessica 
9th grade
During what phase does crossingover occur? A. prophase I B. metaphase I C. anaphase I D. telophase I
asked by brit 
physics
What is the distance from the Earth's center to a point outside the Earth where the gravitational acceleration due to the Earth is 1/22 of its value at the Earth's surface? _ m
asked by asia 
Technology
Please check this for me: 5. The freezing point of water on the Celsius temperature scale is a. 0 degrees b. 32 degrees c. 100 degrees d. 212 degrees A 8. A measurement for a rectangular box is given as 150 cubic inches. This measurement indicates the
asked by y912f 
chemistry
A 2 x 10^3 M solution of MnSO4 is gradually made more basic by adding NaOH. At what pH will manganese(II) hydroxide begin to precipitate? [Ksp of Mn(OH)2=2 x 10^13]
asked by lauren 
Chemistry
I need some help to draw a Lewis structure for hydrogen cyanide + what is the noble gas?
asked by Dave B 
chemistry
The addition of a dilute hydrobromic acid would clearly distinguish solutions of a. barium nitrate and sodium sulfate b. lead nitrate and silver nitrate c. mercury(I) nitrate and silver nitrate d. silver nitrate and calcium sulfate e. calcium nitrate and
asked by Joe 
physics
A bucket of mass 1.60 kg is whirled in a vertical circle of radius 1.30 m. At the lowest point of its motion the tension in the rope supporting the bucket is 25.0 N. (a) Find the speed of the bucket. Enter a number.1 m/s (b) How fast must the bucket move
asked by asia 
french
essay on mon saison favori
asked by simran 
Geology
What does it mean to discove a popular geographic feature in my region. Could someone give me some examples of what I should be looking for? The question goes on to ask what major rock type does the feature consist of... I'm confused, please help
asked by sam 
Perimeter of a triangle
Perimeter of a triangle. The perimeter of the triangle shown in the accompanying figure is 12 meters. Determine the values of x, x + 1, and x + 2 by solving the equation x + (x + 1) + (x + 2) = 12.
asked by Jone 
English
1. Soy, kimchi, olive oil, lentils and yogurt are the world's five healthiest foods. (Is this statement right in meaning and diction? What is 'soy'? Is 'soy' soy sauce or soybean in the sentence?) 2. Today lunch is free in this restaurant. 3. Today lunch
asked by rfvv 
English
I'm trying to cite a source within my paper, but I can't remember how. I have to use the MLA style.
asked by Delia 
Proposal letter in APA Syle
I need help on writing a proposal letter from 7001,050 words on a New healtch care system with four bullets included. I have no idea of how to do this and it is due Sunday for a final.
asked by Sonja 
Juniors Enligsh 3 Honors
My online honors class had us read The Awakening by Kate Chopin and the assignment is to answer 15 questions, but I'm having trouble with these last 6. I have an idea about how to answer some of them, but I can't fully articulate an answer. Please help? 9.
asked by Natalie 
French
How do you say "I'm just kidding" or "I'm just joking" (something along those lines) in French?
asked by Stuck 
Literature
'When you finish with this section, you will write an observational essay. This essay will be a description of a person, place, or thing you can observe. You'll write using sensory details and perhaps a bit of narrative. Some key elements will be sharp,
asked by mysterychicken 
Algebra Question
I did a problem and used the substitution method and it took me forever to solve by hand. Is there a shorter way to show how this problem was done. The problem was x+y+z=7,xy+2z=7,2x+y+3z=15 The final answer came out to be x=4 z=2 y=1
asked by mike 
ABA
The period of time that elapses between the presentation of a discriminative stimulus (the antecedent) and the display of the behavior is called the "latency period"? Is this question TRue or False... I chose False... am I correct
asked by Marcia 
high school
Use the digits in the year 2010 and the operations +, , x, ÷, sqrt (square root), ^ (raise to a power), and ! (factorial) — along with parentheses, brackets, or other grouping symbols — to write expressions for the counting numbers 1 through 100. All
asked by Sama 
Math
I am to find the area of an equilateral triangle whose side is 5... I know I need to find the highth before I find the area, but I end up with a hight of the square root of 31.25, is this right? if so how do I continue and solve for the area with this kind
asked by Punkie 
science
explain how the path of an electron differs in Bohr's model and in the modern model of the atom
asked by spooky 
physics
A 0.150 kg block moving vertically upward collides with a light vertical spring and compresses it 4.50cm before coming to rest. If the spring constant is 54.0 N/m, what was the initial speed of the block? (Ignore energy losses to sound and other factors
asked by Ramon 
SCIENCE
wHAT IS THE MAJORITY OF AN ATOM MADE OF
asked by SPOOKY 
Finance
• Write a 200 to 300word description of the four time value of money concepts: present value, present value of an annuity, future value, and future value of annuity. Describe the characteristics of each concept and provide an example of when each would
asked by Anonymous 
graduation
One of my really close friend is graduating with a bachelor degree in biology...I was just wondering what kind of things you should say in the graduation card that I just bought..
asked by johhny 
Calculus
Integrals: When we solve for area under a curve, we must consider when the curve is under the axis. We would have to split the integral using the zeros that intersect with the axis. Would this be for all integrals? What if we just want to "find the
asked by Jennifer 
algebra
Enrichment Exercise Life Expectancy MAT 116 – Algebra 1A
asked by CGUTTER 
math
1/4x_> 5/8 the solution set is {x:x____ and ____}
asked by rita 
Hospitality: food, shelter, and fun away from home
Choose three different lodging types and to whom each might cater.
asked by Stacy 
chemistry
Foe Fe(OH)2, Ksp=8 x 10^16. What is the molar concentration of OH in a saturated Fe(OH)2 solution?
asked by Michelle 
Algebra
Okay, so I am stuck on solving this using the substitution method. The mortgage department of the company is selling two model homes that are located on the same block. The square footage, as well as the type of model, determines the cost of these homes.
asked by Joanne 
Computers
I have to generate OOP code for a system that tracks my CDs and DVDs. I have gotten through the defining of class and subclass and don't know what to do next. Do I need to create the records and then sort?
asked by Heidi 
english
can you make sentences for me of: Embarked 2.reins 3.turmoil 4.retrieved
asked by anu 
Chemistry
Can anyone explain this question to me? Which of MgCO3, NaOH and Mg(OH)2 can be used as an indicator of halide anions in solution. I don't understand what this means.
asked by Anna 
English
I need my intro and body paragraph proofread please,for the body paragraph i am supposed to talk about arguments made by the other side and trash it. Imperialism can benefit one’s country. Empires can be built by securing resources; however, the building
asked by Sam 
sociolgy
It has been said that modernization theory assomes that in backward areas modernityinhibiting characteristics are dominant. This suggests that the effects of international factors and positive of traditional culture have no bearing on the lack of
asked by lin 
chem.
Calculate the pH of the following solutions with the given [H*] or [OH] and indicate wheather it is an acid or base: a. [H*]=0.000001 b. [OH]=0.001 c. [H*]=0.00000001
asked by mary 
math
Write an equation to calculate the fees F when the number of credits n is given?
asked by Ella Mae 
finances
Where can I find the percentages of uncollectabes for PepsiCo? I have looked at the annual report atleast 20 times. Please Help. Thanks
asked by carol 
Algebra 1A
1. b.Between the years 1975 and 2000, do women or men have the greater life expectancy? Answer c.Explain using slope: is the life expectancy of men or women increasing more rapidly? Answer 2.Using the given equations above for the life expectancy of men
asked by CGUTTER 
CIS  Computers
I am trying to create an function for an excel spread sheet. I'm doing something wrong.. basically it needs to be a (the discounted x the quantity) X sales tax % + discounted price = the total cost... i'm very confused.
asked by me 
business writing
What type of format do i need to use when writing a business letter in response to a help wanted ad in the paper
asked by Anonymous 
English
1. Kimchi is rich in vitamins and low in calories. (In this sentence, what is the meaning of the preposition "in"? ) 2. Kimchi is chosen as one of the world's five helthiest foods. (What is the active voice form of this passive voice sentence?)
asked by rfvv 
Business Accounting
Please how i write this up in a journal entry: The stockholders’ equity section of Joe’s Bistro’s balance sheet on January 1: Common stock $2 par, 2,000 share issued and outstanding – 4,000; Additional Paidin Capital – 1,600; retained earnings
asked by Peaches 
algebra
d = D(a + 1) 24
asked by Jone 
Elementary Algebra
when working the following equation, I came up with 0/4. Would the final outcome be 0? Here is the equation. 2x+3/4, and here is what I came up with.=2x+3/4=0/4=0
asked by Brian 
Algebra 1A
Enrichment Exercise Life Expectancy MAT 116 – Algebra 1A I need help solving the answers for this assignment
asked by CGUTTER 
social studies
Is canada a good place to live? For example does it have good educaion, does it have a good economy where peoples' needs are for filled?
asked by Lilly 
Hospitality: food, shelter, and fun away from home
When they say "choose 3 different lodging industry", what do they mean?
asked by Stacy 
Algebra Question
What am I doing wrong I am using the Gauss Jordan method to calculate this answer and some other students are coming up with differant answers. Problem is 3x+y+z=5, x+5yz=8, 10x+7y+z=2 My answer is (6z+3,7z4 _________, z ( 11 11) Where I have +3 they
asked by mike 
math
These questions relate to curvature problems. a.Explain why (dÖ/ds) = (dÖ/dt) (dt/ds). b.Explain why tanÖ = dy/dx, which equals (dy/dt) / (dx/dt).
asked by Mitch 
criminal justice
describe three basic ways in which software designers enable users to enter commands into computers
asked by Anonymous 
Algebra  Middle School
Use the digits in the year 2010 and the operations +, , x, ÷, sqrt (square root), ^ (raise to a power), and ! (factorial) — along with parentheses, brackets, or other grouping symbols — to write expressions for the counting numbers 1 through 100. All
asked by Sama 
health
•What is the Patient SelfDetermination Act. How do you think records management procedures have had to respond to this piece of legislation?
asked by april 
Math
I am to find the area of an equilateral triangle whose side is 5... I know I need to find the highth before I find the area, but I end up with a hight of the square root of 31.25, is this right? if so how do I continue and solve for the area with this kind
asked by Punkie 
math
wagons retail for $49.97. stores receive the wagons with a 40% profit margin. what is the cost?
asked by jack 
Critical Thinking
I am not sure how to tell in the opposing views resource center database whether or not a source is marked as an editorial or column. Please help!
asked by Fawn 
math
You have 75 employees, 1/6th of them retired, and 1/4 of them left the company for new jobs. how many employees did you have in the begining?
asked by Brian 
SCIENCE
HOW CAN YOU DETERMINE THE NUMBER OF NEUTRONS AN ATOM HAS FROM AN ATOMS MASS NUMBER AND ITS ATOMIC NUMBER
asked by SPOOKY 
math
write interval notation ofr the set {x:4>x>8}
asked by rita 
French
What can you find in Santa Claus' bag? descramble "ELASEL" (in french) I need help....
asked by Samuel 
university of phoenix
describe other measurements sociologists use to calculate prejudice
asked by lori 
english
can you make sentences for me of: Embarked 2.reins 3.turmoil 4.retrieved
asked by anu 
math
write the set {x/ x<  5 in interval notation what is the correct interval
asked by rita 
help
2x3/8 less then or equal to8 or 2x3/8 greater then or equal to 4 what is the solution of the compound inequality is
asked by rita 
math
can you help me solve this?. 10>n1
asked by william