Tuesday
December 6, 2016

# Posts by Anne

Total # Posts: 745

Math (pls help)
write the number in expanded form. 1) 46,182 2) 20, 397
September 5, 2009

foreign language
How do I translate this poem into English (it's in portuguese)? Eu queria você perto de mim Queria poder abraçar com todo meu carinho A gente se encontra apenas nos sonhos Por que a gente é tão feliz nos sonhos? Sempre vejo a gente sorrindo, se ...
July 29, 2009

Finite Math
Use the formula m=(y2-y1)/(x2-x1)
July 23, 2009

physics
our class was given an extra credit assignment where we have to design a mobile that has both the net forces and torques = 0. i have all of the masses know i just don't know how to find radii. no two masses can be in the same position nor can they be at the center of mass...
July 3, 2009

budgets and forcasting
How are budgeting systems used to weigh the efficiency and effectiveness of a health and human service agency? Why is this important?
June 25, 2009

financial management
What is the basic accounting formula?
June 7, 2009

english
I need help finding metaphors and assonances in 5 poems? I Played a Game I played a game. I rode my bike. I had a snack. I took a hike. I read a book. I watched T.V. I built a fort. I climbed a tree. I surfed the web. I played guitar. I caught a bug inside a jar. I called my ...
June 5, 2009

pre-algebra
I have two questions about finding the slope of a line. First question: Is the formula Y2-Y1 over X2-X1? Second question: When I am given a line on a graph, how do I find Y1, Y2, X1, X2 to use in finding the slope?
May 16, 2009

Chemistry
Every balanced equation is written so BLANK is/are conserved atoms mass a and b None of the above I thought the answer would be matter, but that's not an option. What would it be then? Thanks!
April 20, 2009

English
1) I heard him say that... Please explain the grammar rules for "say" (present tense) after the word "heard". 2) A Economic Development Board survey... Why is it "a" not "an"? Is it because it is "a survey"? 3) A historic ...
April 4, 2009

Chemistry
We say that an ionic bond is the electrostatic force of attraction between oppositely charged ions. What does electrostatic mean?
April 1, 2009

Chemistry
Is sulphuric acid covalent? Please explain. Thanks.
March 22, 2009

Chemistry-confused
I am rather confused. Is sand considered a mixture or a compound? Some have said it is a compound because it is silicon dioxide. Others have said it is a mixture because it is impure silicon dioxide. So...?
March 21, 2009

Chemistry-help
What is the chemical equation for the reaction between iron and sulphur to produce iron sulphide? Do we write sulphur as S or S8?
March 20, 2009

Science
Do potato cells have chloroplasts?
March 20, 2009

Health
The most serious type of allergic reaction? a.atrial fibrillation b.psoriasis c.anaphylaxis d.lupus
March 20, 2009

Can calcium react with chlorine gas to give calcium chloride?
March 19, 2009

stats
chi square for independence 1) my obtained value does not exceed the critical value, I will reject the alternate and accept the null. Do I state that the results is due to chance and there is no relationship between the variables.
March 6, 2009

physics
idk the answer i am trying to find the answer for my own homework. GUESS WHAT? chicken butt. jk. I need help on my hw too since i got work we didn't practice for. Ok ONE question of the three we didn't learn. So.....I cant really help you. Sorry.
February 23, 2009

chemistry
I read in a book that gas particles move rapidly in all directions. Somehow I find that random directions is better.The word "all" sounds a bit weird. What do you think?
February 9, 2009

Chemistry-help needed
1) Does Alumnium react with steam to give metal oxide and hydrogen gas? 2) Does Aluminium react with dilute hydrochloric acid? What are the products? 3) Will Tin react with dilute hydrochloric acid to give tin(II)chloride and hydrogen gas?
January 28, 2009

Science
"Blow up a balloon and tie it up. Leave it for a few days. After a few days, the balloon becomes smaller.Why?" The answer given is that the air particles diffuse out of the balloon. Can you please explain the answer? I understand that diffusion involves particles ...
January 28, 2009

science-chemistry
For diatomic molecule, must the 2 atoms be of the same element, e.g H2?Is CO a diatomic molecule?
January 27, 2009

Science
1) Instead of using the word "random",is it acceptable to say particles in a liquid move about in "different" directions? 2) Why does ice have a higher density than water vapour? Is it because ice has a greater mass in a fixed volume? 3) The statement "...
January 26, 2009

Science-Chemistry
1)Fill in the blanks. In a liquid, particles are _____arranged. They move about in ____ directions and slide over one another. Can I say "irregularly" & "any" as the answers? I know "random directions" is better, but can we accept "any ...
January 26, 2009

chemistry
thank you.
January 22, 2009

chemistry
In an atom, there is a force that holds the protons & neutrons in the nucleus. Is this force called the nuclear force? What about the force of attraction between the nucleus and electrons? Is is called the electrostatic force of attraction?
January 22, 2009

Chemistry
If you look at the Periodic Table,you will see chlorine with a relative atomic mass of 35.5. That means the average mass of a chlorine atom found in nature is ________?
January 22, 2009

4. is A its on page 36
January 19, 2009

computers
I was wondering if anybody could please tell me what I need to do I went to work on my power point project and when I turned on my computer a lot of my icons were missing such as my excel power point microsoft office 2007 my documents pictures my back ground ( wall paper is ...
January 16, 2009

Physics
What are the differences between a motor and a generator? I know they both use electromagnets, but how do they use them differently?
January 10, 2009

Physics
If the current in a wire is 0.1A, how long will it take for 10C of charge to pass through it?
January 3, 2009

natural logs
can't use a graphing calculator (not allowed). I'm trying to find the area between curves, if that helps.
December 19, 2008

natural logs
Solve for x: ln(x+1)+ 2 = x^2 – 8x + 12
December 19, 2008

African and Hispanic Studies
What is Jim Cummins' "Intervention Model" all about. Present the elements of this model and in your opinion, can it be successful in reversing the history of failure the Puerto Rican children have experienced in the American schools? Illustrate some of the ...
December 17, 2008

PHysics
a 15g bullet strikes and becomes embedded in a 1.1kg block of wood placed on a surface in front of the gun. if the coefficient of kinetic friction between the block and the surface is 0.25 and the impact drives the block a distance of 95m before it comes to rest, what was the ...
December 6, 2008

chem-help
I got that A was Cl2 and B was CH2 but i do not understand how to get the grams of C produced, i am confused at this point.
December 3, 2008

chem-help
no i did identify compounds A and B i just do not understand how to do part a
December 3, 2008

chem-help
Use the following information to identify element A and come pound B, then answer questions a and b. An empty glass container has a mass of 658.572 g. It has a mass of 659.452 g after it has been filled with nitrogen gas at a pressure of 790. torr and a temperature of 15°C...
December 3, 2008

There are 7 girls in a bus. Each girl has 7 backpacks. In each backpack, there are 7 big cats. For every big cat there are 7 little cats. Question: How many legs are there in the bus?
November 24, 2008

Chemistry
Thanks!
October 27, 2008

Chemistry
Hi, This is one of my chem hw problems. Does anyone have links to websites that might help me solve this..or equations? It sounds like there are two parts to the question but I'm not sure. Volts and Joules? 1. Electrons are used to determine the structure of crystal ...
October 27, 2008

math help
Is it supposed to be 5 square root of (x ^7 and y^4)? It should be 5 then you expand everything in the sqroot to be (x x x x x x x y y y y) Then take out for every two of each letter, make it one whole one..... so you get 5 x^3 y^2 squareroot (x) I think that's what it ...
October 26, 2008

algebra 2
You should just subtract it as that .... -6 sqroot 7
October 26, 2008

History
Thank you for helping me.
October 20, 2008

History
How many times has the U.S Constitution been altered over the past 200 years?
October 20, 2008

Chem/Physics
1. The half-life for the (first-order) radioactive decay of 14C is 5730 yr (it emits a β ray with an energy of 0.16 MeV). An archaeological sample contained wood that had only 72 percent of the 14C found in living trees. What is its age? I got 500years? 2. The ...
October 15, 2008

Chem/Physics
Hi! I'm having lots of trouble figuring these two out.....if you could help that would be great- thanks!! 1. The half-life for the (first-order) radioactive decay of 14C is 5730 yr (it emits a β ray with an energy of 0.16 MeV). An archaeological sample contained wood ...
October 15, 2008

Physics: Non uniform motion
thanks! but what do i do when the time isnt given like in the first question?
October 2, 2008

Physics: Non uniform motion
I have not done much physics before: I don't get how to do questions that deal with what happened in a particular SECOND So questions like: - A stone which is dropped from rest into a mine shaft falls a distance of 24.5 m DURING THE LAST SECOND. Find depth of the shaft or...
October 2, 2008

Physics
1) A fish jumps out of the water with a speed of 6.36 m/s. If the fish is in a stream with water speed = to 1.5 m/s, how high can the fish jump if it leaves the water traveling vertically upwards relative to the earth? 2)A ball is thrown by someone on a train moving at 10 m/s ...
September 9, 2008

health
what is the definition of social and physical health?
September 3, 2008

Algebra
Solve:25x^4-20x^2+3=0 =(sqrt5/5),-(sqrt5/5),(sqrt15/5),(-sqrt15/5). Can you tell me which one is correct.This is a second post to the first one.
July 5, 2008

Algebra
Thanks
July 5, 2008

Algebra
thanks
July 5, 2008

Algebra
25x^4-20x^2+3=0 = x= i sqrt3/5,-i sqrt3/5. I used the method complete the square. is this is correct
July 5, 2008

help
thanks
July 2, 2008

help
Subtract. Simplify by collecting like radical terms if possible. 3sqrt18-3sqrt2 =6sqrt2 I did help.
July 2, 2008

Algebra
thanks
July 1, 2008

Algebra
Use the foil method to find the product. (4x^6-7)(x^8-4) this is the answer that I got:4x^14-7x^8-16x^6+28
July 1, 2008

Algebra 1
PERFORM THE INDICATED OPERATIONS AND SIMPLIFY. x-8/x-9-x+1/x+9+x-27/x^2-81=x^3-81x^2-7x-27/x^2 Can you check this equation for me.
June 30, 2008

dog behavior re post
please check my answer thanks so much Which of the following best describes when extinction occurs A When a CS is repeatedly prsented and periodically followed ba a US B When a CS is repeatedly presented without the prsention of a US C CS and US are presented together D CS is ...
June 17, 2008

dog behavior
please check my answer thanks so much for your help. True of False generalization means The tendecy to respond to stimuli resmbling the conditioned stmulus I said True
June 17, 2008

dog behavior
please check my answer thank you very much for your help The Premack princciple suggets that A. reinforcement is highly frustrating the dog B. A more desirable activity can serve as a reinforcer for aless desirable activity C reinforcement isn't dependent on the dog ...
June 17, 2008

dog behavior
Please check my answer thank you very much For optimal appetitive classical conditioning which of the following is not important. A The dog should be hungry B THe training enviorment should be relatively distraction free C. THe dog should be give the chane to "use the ...
June 17, 2008

dog behavior
Please check my answer thank you very much True or False Traning a dog to respond to the word "Good" as a conditioned reinforcer is accomplished by saying "GOOD" just before prsenting food I said True
June 17, 2008

dog behavior
please check my answer thank you for your help :) True or False Systematic desensitization can be used to reduce fear I said True
June 10, 2008

dog behavior
please check my answer thanks for your help :) Which of the following is an example of an unconditioned response? A. begging behavior at meal time B barking to get attention C Salivatig when food is taken ito the dog 's mouth D salavating when the dog hears the owner ...
June 10, 2008

dog behavior
please check my answer thanks for your help :) During extinction, an instrumenatl behavior may initially increase as the result of what ? A failure of the dog to obey the new instruction B. an extinction burst C. temorary defiance D. punishment resistance I said A
June 10, 2008

dog behavior
please check my naswer for me thanks for your help :) True or False Ivan Pavlov is credited with the systematic study of conditioned reflexive behavior I said True
June 10, 2008

statistics
. P(at least one head) is the same as 1 - P(no heads). Now, P(no heads) = 1/2 * 1/2 = 1/4 so P(at least one head) = 3/4. P(6) = 1/6. The total is 3/4 * 1/6 = 1/8. actually for part a is it possible the answer could be 1/8?
June 4, 2008

statistics
Another person had the exact same answers as you. This is for a major grade! Thank You!!
June 4, 2008

statistics
If you flipped a penny and a nickel, and rolled a die, what is the probability of: a. getting at least one head on the coins and a 6 on the die? b. getting a head on both coins and a 4 on the die ? c. getting a head on both coins and a 3 or a 5 on the die? d. getting a head on...
June 4, 2008

Chemistry
I don't understand how you get the mols product formed of (c) and why there are moles of a that remain unreacted
May 31, 2008

english
Are you serious? Come up with your own answers and others will help. This is a simple homework that you could get done in minutes.
April 28, 2008

english
Thanks Ms. Sue
April 14, 2008

english
When liquor was banned in 1920, hospitalizations for alcoholism and related diseases plummeted; in 1933, when Prohibition was repealed, alcohol-related illnesses rose sharply again. Legalization of cocaine, heroin, and marijuana would not curb abuse of those substances. a) ...
April 14, 2008

Math
Can someone tell me this is right? Look for the domain. f(x)=log(sub3)(5x+1) 5x+1<=0 (5x/5)<=(-1/5) x<=(-1/5) x>(-1/5) (-1/5,oo) -domain
April 9, 2008

Algebra
I am looking for the domain. f(x)=log(sub3)(5x+1) 5x+1<=0 (5x/5)<=(-1/5) x<=(-1/5) x>(-1/5) (-1/5,oo) -domain
April 9, 2008

Algebra
Can someone tell me how to find a perpendicular line -3x+5y=7 My choices are 7/5 3/5 -5/3 -7/5 I cannot figure this out
March 22, 2008

Geography
What government imposed barriers stop or hinder the export of automobiles? "export" as in shipping to other countries i think?!
March 14, 2008

Calculus
ah!!i was so dumb! i was trying to multiplying numerator and denominator by 1+Z,of course it didn't work out...haha... thankyou !!!!
March 13, 2008

Calculus
two complex numbers Z and W are related by the formula W=(Z+1)/(1-Z) what is W if Z=1.5i? thanks for the help!
March 13, 2008

Calculus--complex numbers
March 13, 2008

Calculus
solve (Z^2)+5=-4/Z^2 how do i solve it?? the answer is +2or-2, or, +or -i. but i really don't know how to get this answer.i tried to multiply both side by Z^2, but i think it just made it more comlicated and i didn't get the right answer at the end...can someone please...
March 12, 2008

Calculus--complex numbers
thank you so much!!
March 12, 2008

Calculus--complex numbers
let z= a+bi be a complex number. it is given that the quotient (z-i)/(z-1) is purely imaginary. show that z lies on a circle and determine the centre and radius of this circle. OK, here's my working out...( i am using "X" as my times symbol) step1: (a+bi-i)/(a+bi...
March 12, 2008

math
finding the product for (7x+1)(x^2+1) and for the problem (2x+6)(x-10) Also finding the product thank you very much
March 7, 2008

psychology
Mira is a college student who lives alone in an apartment with her cat, Max. Whenever Mira walks into her kitchen and opens the squeaky drawer where Max's food is kept, he begins to salivate and runs into the kitchen, pawing at Mira to be fed. Even when Max has already had...
March 3, 2008

geometry
prove the following statements using a coordinate proof. the diagonals of a rectangle bisect each other.
February 2, 2008

geometry
place each given figure in a coordinate plane. what are the coordinates of each vertex? a) a right triangle b) an isosceles triangle
February 2, 2008

Percent error?
January 13, 2008

physics
A projectile hits a target placed on a level field. It has arange of 37.0 m. The nagle of launch is 33.4 degrees above the horizontal. What was the initial speed?
January 13, 2008

Chemistry
Oh, I see now. I really appreciate your help :) Have a wonderful day!
December 12, 2007

Chemistry
But I got an answer of 42.5K, which means when I convert it to degrees Celsius I get 42.5K - 273 K = -23.05 degrees Celsius. Does this sound weird to you then?
December 12, 2007

Chemistry
Is it okay to have a negative temperature (in degrees Celsius) in this case?
December 12, 2007

Chemistry
drwls, if you are there, I got an answer of 42.5 Kelvin, so then that means it is a negative number if converted to degrees Celsius? Question: The heat capacity of a bomb calorimeter is 87.5 kJ/K (this value is for the total heat capacity including that of the water jacket ...
December 12, 2007

Chemistry
Hi, if anyone can give me help for any part of the question that would be great! I know how to draw the cell diagram, but am not sure what the half-reactions would be.... Here is the question: Give the cell diagram notation of the electrochemical cell that could be used to ...
December 12, 2007

Chemistry - Thermodynamics
The heat capacity of a bomb calorimeter is 87.5 kJ/K (this value is for the total heat capacity including that of the water jacket around the reaction chamber). If 67.2g of CH4 (g), is combusted under such reaction conditions, what will be the increase in temperature of the ...
December 12, 2007

General Chem - Electrochemistry
Give the cell diagram notation of the electrochemical cell that could be used to determine experimentally the dissociation constant (Kw) of water. The standard reduction potential for O2 + H20 + 4 e- ----> 4OH- is 0.40 V For other possible half-reactions, see your textbook...
December 12, 2007

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