Tuesday

December 1, 2015
Total # Posts: 1,099

**Science- Chemistry**

What does NaHco3 + HCl produce?
*October 28, 2008*

**math**

75 150 divided by 2 equals 75
*October 27, 2008*

**10th grade english**

um how do u write an extended metaphor
*October 23, 2008*

**science**

THANK YOU SOOOOOOOO MUCH!
*October 20, 2008*

**science**

Why are there more warm currents than cold currents in oceans?
*October 20, 2008*

**Algebra**

Word Problem: Jack mows the lawn in 4 hours, mary mows the lawn in 5 hours. how long will it take them if they mowed the lawn together? I have a hard time figuring out which formula to use to solve a problem in a word problem can anyone help and tell me how to set up the ...
*October 18, 2008*

**Algebra; check please?**

A television has a diagonal of 10 inches and a width of 8 inches. what is it's height? i think the answer is nine inches, am I correct? If I am not how do I find the answer?
*October 16, 2008*

**Algebra**

Thank you!
*October 16, 2008*

**Algebra**

Can someone help me figure out what formula I am to use for this word problem? I am having a hard time. If the sides of a square are lengthened by 7cm the area of the square becomes 121cm^2. What is the length of a side of the orgional square?
*October 16, 2008*

**Comprehensive Grammar**

i am not good at this i the reason i chose these answers was they sound right. i dont know the reason behind it.
*October 13, 2008*

**Comprehensive Grammar**

these are the answers i just need help on why they are the answers. Subject-verb agreement 1a. Did you know a famous animal-rights activist has criticized horseracing because of the dangers involved? Subject-verb agreement 2b. Peer editing academic papers requires critical-...
*October 13, 2008*

**Comprehensive Grammar**

i know the answers i just need to know why they are right.
*October 13, 2008*

**Comprehensive Grammar**

Read the following sentences, and focus on the grammar area specified in the left column. Then, complete Appendix H by selecting the correct sentence (a or b) for each number and providing an explanation of why you made that choice. Subject-verb agreement 1a. Did you know a ...
*October 13, 2008*

** BEHAVIORAL SCIENCE**

Think about the last time you attended a lecture or were in a classroom. Applying the information processing model, why did some things make it into your short-term memory and some things into your long-term memory? How can knowing this process increase your learning potential...
*October 12, 2008*

**Algebra**

So I should find the vertex?
*October 12, 2008*

**Algebra**

I am supposed to find the ticket sales of a concert using this formula: N(x)= -0.3x^2 + 6x + 15 X represtents the number of days since the concert was first announced. I need to find out when daily ticket sales will peak and how many tickets will be sold on that day. How do i ...
*October 12, 2008*

**math**

876-235= the smaller number.
*October 12, 2008*

**Financial Management**

1. The financial markets allocate capital to corporations by a)reflecting expectations of the market participants in the prices of the corporation's securities. b)requiring higher returns from companies with lower risk than their competitors c)rewarding companies with ...
*October 7, 2008*

**science**

You have a plastic tray with cold water in it and then you have three cups holding it up and one cup has hot water in it. You put dye in the cold water on top of the hot water. Why does the dye move away from the hot water?
*October 7, 2008*

**Financial Management**

1. Total asset turnover indicates the firm's a)liquidity. b)debt position. c)ability to use its assets to generate sales. d)profitability. 2. Some analysts believe that the term structure of interest rates is determined by the behavior of various types of financial ...
*October 6, 2008*

**algebra 1 8th grade**

I cannot solve for x in the following expression, -4 + 2x + 2 = x + 1 + x. Am i missing something?
*October 1, 2008*

**Algebra**

How do you know if a quadratic equation will have one, two, or no solutions? How do you find a quadratic equation if you are only given the solution? Is it possible to have different quadratic equations with the same solution?
*September 30, 2008*

**math**

How do you solve a problem that asks you to find the 500th term? A beach ball has six vertical sections colored white, orange, yellow, blue, red, and green. If you spin the ball so that 500 colors go by and the first color is white, what is the 500th color? How do I go about ...
*September 29, 2008*

**5th grade**

if you are talking about a vowel (a,e,i,o or u), a line over a vowel means the vowel is a long sounding vowel.
*September 29, 2008*

**INTRODUCTION TO BEHAVIORAL SCIENCE**

A psychologist is planning to conduct a study that would examine pathological liars and the quality of their romantic relationships. You have been asked to provide the psychologist with a recommendation for which research method should be used to gather data on the ...
*September 29, 2008*

**Pre-algebra 7th NEED HELP**

This is a question my teacher gave me and there are no parenthesis or whatever you might think it needs. It's 20 divided by 4 minus 5 plus 12. I think the answer is -12, but I'm not sure. PLEASE HELP!!!
*September 23, 2008*

**Pre-Algebra 7th**

What does 20 divided by 4 minus 5 plus 12 equal? I'm trying to understand the order of operation. I think the answer might be -12. Is this correct?
*September 23, 2008*

**English**

Oedipus... What eyewitness to the murder of Laius still exists? Scene 2 P
*September 14, 2008*

**history**

Just google roger williams I found several sites that gave good info.
*September 14, 2008*

**algebra**

oooooooooooh ok thank you.
*September 14, 2008*

**algebra**

What in the world does this mean? To estimate animal populations, biologists count the total number of animals in a small section of a habitat. The total population of animals is directly proportional to the size of the habitat (in acres) polled. a. Write an equation using ...
*September 14, 2008*

**algebra**

Thank you to everyone who responded this helps a lot!
*September 14, 2008*

**algebra**

how do i find the formula for this problem, i can't even find an example of it in my text book. A conservationalist wants to find out how many deer are in a preserve. The conservationalist tags 634 deer then releases them. Later, she comes back and catches 342 deer, but ...
*September 14, 2008*

**algebra**

Thank You!!!
*September 14, 2008*

**algebra**

I am unsure of what formula to use for this problem can anyone help me? Lisa can shovel snow from her driveway in 60 minutes, Jim can do the same job in 55 minutes. How long will it take Lisa and Jim to shovel the driveway if they worked together?
*September 14, 2008*

**Microbiology**

mass # of oxygen-16
*September 10, 2008*

**problem solving, math**

thanks, problem solved!
*September 8, 2008*

**problem solving, math**

If you have a 4 digit number and multiply it by 4, the product will be the number reversed. (abcd x 4= dcba) What is the number?
*September 8, 2008*

**help asap please**

personalities from the point of view of the three theorists, Jung, Freud, and Rogers
*September 8, 2008*

**french**

Non, je ne leur rends pas visite a vacances.
*September 3, 2008*

**physics**

a roller coaster car moves 200 ft horizontally and then rises 135 ft at an angle of 30 degrees above the horizontal. It then travels 135 ft at an angle of 40 degrees downward. what is its displacement from its starting point? im not really sure what to do, I've drawn a ...
*September 2, 2008*

**Algebra, PLEASE HELP ME!!!**

I am so lost, can anyone help me? I don't even understand what the teacher wants out of me with this problem. Suppose that a market research company finds that at a price of p = $20, they would sell x = 42 tiles each month. If they lower the price to p = $10, then more ...
*September 1, 2008*

**Algebra**

How can you determine if a polynomial is the difference of two squares? I think that if the polynomial is x^2-64 that this is a polynomial that is a difference of two squares because if you factor it out you would get (x+8)(x-8). If the 64 in my example were positive would ...
*August 30, 2008*

**algebra**

* means square root *6+2*6
*August 16, 2008*

**algebra 2**

(-5g^5h^6)^2(g^4h^2)^4
*August 16, 2008*

**algebra 2**

so is the right answer -4x^-5*10y^3 ?
*August 16, 2008*

**algebra 2**

-4x^3*2y^-2*5y^5*x^-8 simplify
*August 16, 2008*

**algebra**

is -6 right??
*August 16, 2008*

**algebra**

-(6)^-1
*August 16, 2008*

**Algebra**

I dont understand the equations I am having a lot of trouble.
*August 16, 2008*

**Algebra**

Soybean meal is 12% protein; cornmeal is 6% protein. howmany pounds of each should be mixed together to get a 240 pound mixture that is 8% protein?
*August 16, 2008*

**Algebra**

This is a 3 part question and it is confusing me quite a bit. Please Help! a) A real estate agent trying to sell you a home in a new developement tells you that two floor plans are available. use x for floor plan 1 and y for floor plan 2. in total there are 56 homes available...
*August 12, 2008*

**Life science/ Biology**

Describe how the human population growth issue has and will impact the ecosystem.
*August 8, 2008*

**Algebra**

Describe what the graph of interval [-4,10] looks like. I am trying to check to see if I have done this right. Any help would be wonderful.
*August 8, 2008*

**Critical Thinking**

I just wanted to say thank you to Wendy also I was really having a problem with these Fallacies but you helped me really understand.The notes just confused me more. Thank you really!!!!!!!!
*August 7, 2008*

**Beh**

A psychologist is planning to conduct a study that would examine pathological liars and the quality of their romantic relationships. You have been asked to provide the psychologist with a recommendation for which research method should be used to gather data on the ...
*August 5, 2008*

**Algebra**

I need to graph using the slope and the y intercept this problem and I am not sure how to do it. x+3y=12 Can someone help me?
*July 27, 2008*

**eth125**

What time frame is your class talking about when your question says "in these critical times"? today could be considered a critical time for civil rights and civil liberties, and do these activists need to be American? If not, then what about Nelson Mandela? I am old...
*July 20, 2008*

**eth125**

Have you thought of Rosa Parks? She was not a famous or educated person, just a lady trying to get home, but she sparked a huge movement in the south regarding segregation. She is one of my heroes!
*July 20, 2008*

**Biology/Physiology**

What organs of the human body are involved in the urinary system and what is the specific purpose of those organs? How does the urinary system interact with other systems within the body?
*July 20, 2008*

**psychology**

I have to find a peer-reviewed article which discusses the effects of optimism on physical and psychological health. Any Ideas how to or maybe re-phrasing it for better results
*July 12, 2008*

**Science**

How did Mendel’s approach to answering scientific questions differ from that of his contemporaries? Mendel’s approach to answering scientific questions varied from his contemporaries because he chose to concentrate on only seven characteristics of inheritance. His ...
*July 11, 2008*

**I need help understanding this assignment please.**

Mentoring, observation and interviews are three important strategies in developing student teachers. There is a free online study unit on The Open University's OpenLearn website on this. The unit, which gives a flavour of the Open University's flexible PGCE course, ...
*June 22, 2008*

**science**

Okay so the answer is choice C. Thank you for your help.
*June 10, 2008*

**science**

I think the answer is low power and fine adjustment. That's what I put on the test and I got it wrong. my second choice would be lower power and coarse adjustment, which is choice C. Is my second choice right?
*June 10, 2008*

**science**

When first looking at a slide under the microscope, you should use: Here are my choices: A. low power and fine adjustment B. high power and fine adjustment C. low power and coarse adjustment D. high power and coarse adjustment
*June 10, 2008*

**Physics**

Describe how the range of a projectile varies with launch angle.
*June 3, 2008*

**Grade 12 Chem - please check answer**

The four possible unknown chemicals are: Cu(s), Ca(OH)2(s), KNO3(aq) and C6H12O6(aq). a) colorless solutions, high electrical conductivity, no change on litmus paper b)white crystals, no electrical conductivity, red to blue on litmus c) shiny brown wire, high electrical ...
*June 1, 2008*

**Grade. 12 Chem - Please check my answer!**

Determine whether the following are redox reactions. If a redox rxn., identify the oxidized reactant and the reduced reactant. a)N2 + 3H2-->2NH3 : YES, Oxidized=H, Reduced: N b)2H2O2-->2H2O + O2 : YES, Oxidized=H, Reduced: O c)2HBr + Ca(OH)2 -->CaBr2 + 2H20 : N0 d)2Fe...
*June 1, 2008*

**health care**

health care benefits covered by Medicare and Medicaid?
*May 23, 2008*

**health**

thanks
*May 23, 2008*

**HELP! ASAP! SPANISH!**

You can say el cocodrilo es un animal peligroso tiene unna boca grande y dientes filosos. So... the crocodile is a dangerous animal, it has a big mouth and sharp teeth
*May 18, 2008*

**grammar**

to make things short yes it would be capitalized.
*May 7, 2008*

**Science**

well, water can be frezzed, and rubbing alcohol cant. Also, rubbing alcohol's density is greater than water. So the alcochol would be the solvent and water would be the solute.
*May 7, 2008*

**Science**

What is the difference between a bottle of water and a bottle of hydrgen and oxygen gas?
*May 7, 2008*

**english**

where can i find a translation to another language or help to do a tranlation to another language of marc antony's speech in julius caesar Act 3 sc.2
*May 4, 2008*

**latin-can u help me translate these sentences?**

Now I am going to St. Peters Bascila, that is a wonderful church.
*April 28, 2008*

**algebra**

When is the following a true statement? ã(a+b) = ãa + ãb if a and b are nonnegative.
*April 28, 2008*

**algebra**

When is the following a true statement ? (a+b) = a + b if a and b are nonnegative.
*April 28, 2008*

**math**

At what times between 6 o’clock and 7 o’clock will the hands on a clock be at a right angle?
*April 28, 2008*

**math**

At what time between 6 o’clock and 7 o’clock will the hands on a clock be together?
*April 28, 2008*

**Algebra**

2. What is the basic principle that can be used to simplify a polynomial? What is the relevance of the order of operations in simplifying a polynomial?
*April 24, 2008*

**chemistry**

A weak base that encompasses a concentration of 1.4 mol per litre has a percent ionization of 0.63%. Calculate the Kb of this weak base
*April 9, 2008*

**chemistry**

A weak base that encompasses a concentration of 1.4 mol per litre has a percent ionization of 0.63%. Calculate the Kb of this weak base
*April 9, 2008*

**chemistry**

Ascorbic acid is a weak organic acid also known as vitamin C. A student prepares a 0.20 mol/L aqueous solution of ascorbic acid and measures its pH as 2.40. Based on this evidence, what is the Ka of ascorbic acid?
*April 6, 2008*

**chemistry**

Calculate the Ka of nitrous acid if a 0.200 mol/L solution at equilibrium at SATP has a percent ionization of 5.8%
*April 5, 2008*

**chemistry**

Use the Gibbs-Helmholtz equation and the concept of equilibrium to calculate the approximate Celsius temperature for the boiling of bromine. Br2(l) <--> Br2(g)
*April 5, 2008*

**calc**

a pie dish has base diameter 8 inches and top diameter 10 inches and height 2 inches. what is the volume of the disk? do I do it so cross sections are squares? help!! Thanks!
*April 3, 2008*

**calculus**

a pie dish has a base diameter 8 inches and a top diameter 10 inches and a height 2 inches. What is the volume of the dish? How would I do this problem? I could place it on the origin so that the cross sections would be circles, and the area would then be pir^2 where the base ...
*April 2, 2008*

**chemistry**

I did a chemistry lab on polarimetry where we separated two enantiomers into individual salts and then used a polarimeter to determine the specific rotation and optical purity. What is the relationship of the proline salts to one another? i said that being enantiomers, they ...
*March 31, 2008*

**HUM**

What makes up the Hindu religion?
*March 31, 2008*

**othello paper**

I was wondering if someone could proof read the begining of my paper and give me feedback...thanks! In an attempt to warn females against falling under the control of a patriarchal society, progressive feminist Adrienne Rich defines patriarchy as “the power of the fathers...
*March 5, 2008*

**CALCULUS-URGENT- no one will respond!!!**

find the radius and interval of convergence for the series the series from n=1 to infinity of ((-1)^(n+1)*x^n)/n! I did the ratio test so I had the Lim as n approaches infinity of -x/(n+1), but this is 0, giving no radius, so I think I did something wrong...
*March 5, 2008*

**english- othello and adrienne rich essay**

In an attempt to warn females against falling under the consequences of a patriarchal society, progressive feminist Adrienne Rich defines patriarchy as, “the power of the fathers: a familial-social, ideological, political system in which men- by force, direct pressure, or...
*March 4, 2008*

**calculus**

What is an upper bound on the absolute value of the error: |sum from n=1 to infinity of ((-1)^(n+1))/(n*5^n)) -.1826666...| ?????
*February 29, 2008*

**calculus**

test the series for convergence or divergence using the alternating series test the sum from n=1 to infinity of (-1)^n/(3n+1) I said it converges, is this true?
*February 28, 2008*

**calculus**

test the series for convergence or divergence. the sum from n=1 to infinity of ((-1)^n*e^n)/(n^3) I said it converges because the derivative of (1/n^3) is decreasing
*February 28, 2008*

**calculus**

what is an upper bound on the absolute value of the error? the abs value of (the sum from n=1 to infinity of ((-1)^(n+1))/(n*5^n) where it is -.1826666....)
*February 28, 2008*

**english-othello**

It is quoted in Augustine's confessions, "the letter killeth, but the spirit giveth life." if this is so, then I believe Ambrose is telling Augustine the the letter, or the law, or exact words in the bible aren't meant to be taken literally, but figuratively ...
*February 27, 2008*

**english-othello**

It is quoted in Augustine's confessions, "the letter killeth, but the spirit giveth life." if this is so, then I believe Ambrose is telling Augustine the the letter, or the law, or exact words in the bible aren't meant to be taken literally, but figuratively ...
*February 27, 2008*