# Posts by Laura

Total # Posts: 1,270

algebra
Thank you to everyone who responded this helps a lot!

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 ...

algebra
Thank You!!!

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?

Microbiology
mass # of oxygen-16

problem solving, math
thanks, problem solved!

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?

personalities from the point of view of the three theorists, Jung, Freud, and Rogers

french
Non, je ne leur rends pas visite a vacances.

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 ...

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 ...

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 ...

algebra
* means square root *6+2*6

algebra 2
(-5g^5h^6)^2(g^4h^2)^4

algebra 2
so is the right answer -4x^-5*10y^3 ?

algebra 2
-4x^3*2y^-2*5y^5*x^-8 simplify

algebra
is -6 right??

algebra
-(6)^-1

Algebra
I don't understand the equations I am having a lot of trouble.

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?

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...

Life science/ Biology
Describe how the human population growth issue has and will impact the ecosystem.

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.

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!!!!!!!!

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 ...

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?

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...

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!

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?

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

Math
Write 1,386 as a product of it factor A. 2×3×3×7×11 B. 2×3×231 C. 2×3×7×33 D. 2×693

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 ...

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, ...

science
Okay so the answer is choice C. Thank you for your help.

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?

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

Physics
Describe how the range of a projectile varies with launch angle.

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 ...

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...

health care
health care benefits covered by Medicare and Medicaid?

health
thanks

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

grammar
to make things short yes it would be capitalized.

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.

Science
What is the difference between a bottle of water and a bottle of hydrgen and oxygen gas?

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

latin-can u help me translate these sentences?
Now I am going to St. Peters Bascila, that is a wonderful church.

algebra
When is the following a true statement? ã(a+b) = ãa + ãb if a and b are nonnegative.

algebra
When is the following a true statement ? (a+b) = a + b if a and b are nonnegative.

math
At what times between 6 o’clock and 7 o’clock will the hands on a clock be at a right angle?

math
At what time between 6 o’clock and 7 o’clock will the hands on a clock be together?

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?

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

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

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?

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%

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)

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!

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 ...

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 ...

HUM
What makes up the Hindu religion?

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...

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...

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...

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...| ?????

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?

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

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....)

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 ...

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 ...

english-othello
I have to compare Iago in othello to Ambrose's message in St. Augustine's Confessions. Ambrose's message is to not take the Bible literally, but figuratively so that he can understand the deeper meaning. I must say how Iago's lesson is the opposite of what ...

Improving Nonverbal Communication
Which nonverbal cues can potentially convey a misunderstanding? An understanding?

English
I am trying to find a connection between Invisible man by Ralph Ellison and got tell it on the mountain by James Baldwin. The only connection I can find is that both characters are somehow betraying their race. However, in invisible man I can find that white people betray the ...

American History
actually, i don't really get what's the question asking. Can you please explain?

American History
How did U.S. foreign policy at the turn from the 19th to 20th century affect actions taken by the United States towards China?

Gurublue( poetry)
Guru Blue, These are two wonderful websites, thank you. However, I need a website that has audio to show me the stressed and unstressed words.

Poetry
I am learning about poetry (meter, verse, and foot). I need a website with audio that can allow me to hear the pronunciations of the syllables if stressed or unstressed. Please help me thank you.

bio
What does a skeltal muscle fiber look like? I looked in google, but it shows images of skeltal muscle.

chemistry
when iron rusts in air, iron(III) oxide is produced. how many moles react with 2.4 iron in the rusting reaction? 4Fe(s) + 3O2(g) => 2Fe2O3(s)

Biology
For each of the four major classes of organic compounds, identify the subunits. Describe the general process by which all of these subunits are joined together to form larger molecules.

Science/Biology
A woman once had a beautiful rubber tree, but when her sister saw her watering it, she laughed and asked why she was watering an artificial plant. So she stopped watering the plant, and in a few months it died. Explain, using at least five characteristics of living things, how...

Science
What is the chemical formula for rust, salt and air?

MATH
i really need help on this question!! I need to solve it using a system of two equations, the question says that an automobile radiator contains 16L of antifreeze and water. this mixture is 30%antifreeze. how much of this mixture should be drained and replaced with pure ...

Statistics- PEASE help!
Subjects Art Business Computers English Foreign Languages Health Home Economics Mathematics Music Physical Education Science Social Studies Features Contribute Download Experts Forum Job Openings Homework Tips Libraries.Jiskha Link to Us Reference School Supplies Search ...

Statistics- quick! Is this right?
I need to verify one of my answers quickly...the problem is: The mean annual salary for classroom teachers is \$43,658. Assume a standard deviation of \$8000. 1) Determine the sampling distribution of the sample mean for a sample of size 256. Interpret your answer in terms of ...

Math
This is for grade 11 math, under quadratic extrema and roots. Fred and Ginger have 24 m of fencing to enclose a garden at the back of their house. From the pictures you can see (shows a large rectangle for the house, with a smaller one attached on the bottom line, to the right...

i do not under stand with what

Literature
My question says: How is naturalism used in "The Red Badge of Courage" and come up with three quotes. First of all, can someone explain what naturalism really is?

Spanish/History for Laura & Carry
i know but i can't find the answer in those pages....

Spanish/History for Laura & Carry
wait... so how exactly did they mesh together???

Physical Science
25000

Thesis Statement
I wrote a thesis statement on "The Red Badge of Courage" and if someone could revise it, it would be pretty helpful. "Crane believes war is neither glorious nor honorable, but rather a fiery blaze able to only destroy, caused by groups unaware of the flames they...

Jimmie
By the way, this was for my classmate, Jimmie who is also doing the same assignment. But if someone else could help as well, that would be great.

Jimmie
I am nearly done with my Red Badge of Courage Analysis, but I would prefer one more thought from someone other than me. If you have read the work, could you tell me what you think Crane felt about soldiers as individuals? I think he thought they were ignorant people fighting ...

Vocab
What is a word for a cause of fire? I don't want examples but I would like a specific word for a causer of fire that could be used no matter what caused it. For example if someone died from murder, the causer of the death would be called a killer or a murderer. That's ...

Science
A girl has a body weight of 400n. What upthrust does she need to float?

ASAP-before we were free
Search for it on the Barnes and Noble website... It has links to readers guides and other stuff... i was actually looking for the same thing and your question came up on google. Hope this helps!

chemistry
I have to convert 7.2m^3 to L and keep getting the wrong answer. I did 7.2m^3*(1cm^3/91*10^-2)m^3) which gave me 720cm*(1L/1000cm^3)) this gave me 7.2*10^-1

I HAVE 5 COMMITTEE MEMBERS I HAVE TO PERSUADE WITH DIFFERENT PERSONALITIES. THEY HAVE TO AGREE ON MY SERVICE. I HAVE TO INCREASE EFFICIENCY OF A BUSINESS OPERATIONS AND KEEP MY CURRENT EMPLOYEES HAPPY. Please note that we don't do students' homework for them. Our ...

HOW CAN I INCREASE EFFICIENCY OF A BUSINESS OPERATIONS AND KEEP CURRENT EMPLOYEES HAPPY. Respect your employees. Use their ideas in your business plan. Pay them top wages and provide superior benefits. Since this is not my area of expertise, I searched Google under the key ...

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