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December 22, 2014

Posts by ella


Total # Posts: 224

algebra
Assume f(x) = x2 + 2. Find the functional value requested.
October 22, 2011

chemistry
what mass of water can be heated from 45 celcius to 88 celcius with 28kj?
October 11, 2011

chemistry
what mass of water can be heated from 45 celcius to 88 celcius with 28kj?
October 11, 2011

geometry
10. Exactly how many cubic inches of air can a fully inflated basketball hold if its radius is 4.8 inches
October 9, 2011

math
540 kg of dry concrete mixture is to be spread over three surfaces in the ratio equal to that of their areas.If their areas are 9 square m,11 square m and 16 square m,how much is used on each surface?
October 2, 2011

math
lim (2x^2+3x-2)/ (2x-1) the lim is x->1/2 [ans:5/2 but i get 3/2) can someone show me the calculation work.
July 20, 2011

math
lim (7-6x^5)/(x+3).... the lim is x->+infinity [ans=-infinity but i get 0] can someone show me the calculation work.
July 20, 2011

math
f'(x).... y=(e^x-e^-x)/(e^x+e^-x). I need the calculation work. [ans: 4/(e^x+e^-x)^2]
July 20, 2011

chem
a mixture of 50g of S & 1x10^2g of Cl2 reacts completely to form S2Cl2 &SCl2. Find the mass of S2Cl2 formed.
July 20, 2011

Chemistry
An electron ps from the 6th to te 3rd energy level in the hydrogen atom: a) calculate the wavelength b) calculate the frequency c) calculate te enrgy d) into which spectral series would the photon be grouped? (i really just need to formulas, then i could solve myself...)
May 23, 2011

Managerial Accounting
true
May 13, 2011

URGENT - History
I tried that!
May 11, 2011

URGENT - History
Hi, Okay, so where can I get other cartoons on Stalin? I was searching like forever to find that one. Thanks for all your help
May 11, 2011

URGENT - history
Based on what you know do you think I should reference it as from Getty Images, or should I ditch it and try to find another one?
May 10, 2011

URGENT - history
Heya The Cartoon on Getty Images, Cosy Communist circa 1940. I'm trying to find where it was originally published and who originally drew it so that I can put that in my research journal. We are graded on our research journal and it documents like all our research. I need ...
May 10, 2011

math
what are the factors of 22x^2+66x-220?
May 1, 2011

algebra
Stacey throws two dice. The difference in face value between the two dice is three, and the product of the numbers thrown is equal to twice the sum of the two numbers. Show and solve an alebraic equation that finds the numbers Stacey threw.
April 27, 2011

US History
The cold war/red scare.
April 24, 2011

Maths
Hey! Okay so when the weather reporters say that ?mm of rain fell over night, they're talking about mm cubed aren't they? So while I was working out what to cube root to find out the ?mm of rain that fell overnight, I called it Rainfall mm. So what could I call the ?mm...
April 24, 2011

maths
how do you do taking away fractions like for eg 2 1/5 take away 1/10
March 31, 2011

chemistry
a liquid has an enthalpy of vaporization of 30.8 kg.mol. at 273 K it has a vapor pressure of 102 mmHg. What is the normal boiling point of this liquid
February 17, 2011

chemistry
a liquid has an enthalpy of vaporization of 30.8 kg.mol. at 273 K it has a vapor pressure of 102 mmHg. What is the normal boiling point of this liquid
February 17, 2011

Modern World Studies
i thought 1 was Romanticism?
February 10, 2011

algebra
write a quadratic equation in the variable x having given the numbers as sollutions type the equation in standard form ax^2+bx+c=0. solution 4 only solution
February 8, 2011

Math
Actually, Maybe I've got it. Is it 100(700)+20000=90,000 It will cost $90,000 to make 700 items.
February 1, 2011

Math
The Mathematical model C(x)=100x+20,000 represents the cost in dollars a company has in manufacturing x item during a month. Base on this, how much it does it cost to produce 700 item? Sorry, I did not put the whole question up
February 1, 2011

Math
How do I solve this? I don't even know where to begin.
February 1, 2011

Math
The Mathematical model C(x)=100x+20,000 represents the cost in dollars a company has in manufacturing x item during a month.
February 1, 2011

economics
yes
January 26, 2011

chemistry
I need to find out which structure is more correct: Reaction of the compound C3H8O with CrO3 (oxidizing agent) yields acetone. Which of the three structures is more correct? (My three structures are as follows: 1-propanol, 2-propanol, and methylethyl ether.)
January 18, 2011

algebra
provide me with a radical expression to simplify
January 17, 2011

algebra
Mike would like to plant some trees so he needs to use a portion of his existing yard. The perimeter of this rectangular portion needs to be 14 yards and the diagonal is 5 yards. Can you help Mike determine the length and width of this new portion? Mike requested that you show...
January 16, 2011

English
As she flipped through the newspapers, she saw headlines such as "Food shortages hit Mitika," "Hurricane departs coastline," and "Elkwood ravaged by flooding." Is my apostrophe and comma usage correct? Newspaper headlines are supposed to be ...
October 17, 2010

Algebra
2?
October 14, 2010

algebra
the value is 49, not sure what there asking for in the second part, unless it's just asking you to show your steps.
October 14, 2010

algebra
0.0025934041088830740483370627371053
October 14, 2010

Chemistry
1st one is right, the second one cant be right because there is no H on the left side.
October 14, 2010

Math
x+1 - x+2 = ? --- --- 2x-8 12-3x
October 3, 2010

H. Physics
7.6km at a 26 degree angle ussing signifigant figures
September 29, 2010

11th grade
in 5.5? two
September 27, 2010

Math
2d+8=24
September 12, 2010

math
Find the standard deviation for the given data. Round your answer to one more decimal place than original data. 2,5,47,11,13,48,39,36
September 3, 2010

math
Consider the following students method of solving the proportion 8/5 = 20/x and determine whether the methods were correct: Richie: First I divided 20 by 8 and got 2 1/2. Then I multiplied 2 1/2 by 5 and got 12 1/2 for my answer. Martha: I think of it this way. Every time a ...
August 11, 2010

Math
Factor: X⁸ + 2x©ùy©ù + 9y⁸
July 22, 2010

college
while a patient is having surgery,his doctor notices a small mole.The doctor doesn't think the mole is anthing to worry about,but he decides to remove it to perform a biopsy.What is the doctor guilty of?
July 9, 2010

Speech
Hi. I have to write a speech for student council vice president...this is what i have. tell me what you think! Hi! I’m Ella and I would like to be your student council vice president. You should vote for me because I am responsible, creative, good with people, and I would...
May 5, 2010

math
Verify that the circles x2+y2 = 25 and (x−5)2+(y−10)2 = 50 intersect at A = (4, 3). Find the size of the acute angle formed at A by the intersecting circles. You will first have to decide what is meant by the phrase the angle formed by the intersecting circles.
April 25, 2010

Geometry help
A parallelogram has a 7-inch side and a 9-inch side, and the longer diagonal is 14 inches long. Find the length of the other diagonal. Do you need your calculator to do it? then, (Continuation) Evaluate 72 + 92 + 72 + 92 − 142 − d2, where d is the length of the ...
April 21, 2010

Geometry need help pls
A. A parallelogram has a 7-inch side and a 9-inch side, and the longer diagonal is 14 inches long. Find the length of the other diagonal. Do you need your calculator to do it? B. (Continuation) Evaluate 72 + 92 + 72 + 92 − 142 − d2, where d is the length of the ...
April 21, 2010

medical terminology
I read over my material and iam not sure if they are asking or really what they are asking. maybe what are any five terms that have to do with the muscuoskeletal system?
April 2, 2010

medical terminology
devise memory aids for any five terms relating to the musculoskeletal system
April 2, 2010

6th grade
18
March 25, 2010

Help Plz
i need help finding the similarities & differences between passover and easter. thnx ella
January 7, 2010

math
Calculate the monthly finance charge for the following credit card transaction. Assume that it takes 10 days for a payment to be received and recorded and that the month is 30 days long. (Round your answer to the nearest cent.) $3,000 balance, 21% rate, $150 payment, average ...
January 7, 2010

English
When do I capatilize the word aunt? I think it's: This is my Aunt Marrianne. Is that right or is the a lowercase? Please explain. Thank You
December 3, 2009

Science
I am in 6th grade and doing very well so i am not stupid or anything but i dont know if my science fair project is for my grade level. It's What Makes Ice Melt The Fastest. What Do You Think? Thnak You
November 16, 2009

Calculus
Solve the IVP {y'=-(sinx)y + xexp(cosx) y(0) = 1 Please show me step by step. Do I need to find out if this is exact? Do I use an integrating factor?
October 7, 2009

S.S.
thnx but i don't think that i am allowed to right about a mmovie thats coming out. anything else? if not thats fine too. thnx soooooooooo much!
October 1, 2009

S.S.
I need help finding a curent event. It has to be a national advancement in medicine that happened anywhere from this past Sunday to today. plz help thnx -ella
October 1, 2009

english
what is an adjustment letter?
September 23, 2009

Language Arts (2nd Grade)
Question: Name 10 Community Things You Can Do To Help The Earth. I Cant Think of Any!! Help
September 18, 2009

chemistry
Potassium perchlorate has a lattice energy of -599 kj/mol and a heat of hydration of -548 kj/mol. Find the heat of solution for potassium perchlorate when 10.6 g of potassium perchlorate is dissolved with enough water to make 102.7 ml of solution. (J-absorbed) find the ...
September 18, 2009

Chemistry
The U.S. Food and Drug Administration (FDA) recommends that adults ingest less than 2.4 g of sodium per day. How many liters of softened water, containing a sodium concentration of 6.0×10−2 percent sodium by mass, have to be consumed to exceed the FDA ...
September 17, 2009

Social Studies
What is the mountain range that stretches across west virginia? thnx
September 13, 2009

math
i can't figure out how to do this problem: 3(y-4)=-2y-12
September 6, 2009

Science
Are there such things as pink sheep or is there fur dyed pink?
June 30, 2009

Legal Aspects of Health Information
If a doctors computerized medical records are compromised by a hacker, who is liable?
May 27, 2009

Legal Aspects of Health Information
A doctor applies for medical staff privileges at a hospital. What is the hospital administrator required to do?
May 26, 2009

Legal Aspects of Health Information
Judge Jones is hearing a motion to order release of substance abuse records pursuant to a subpoena....Where should the hearing take place/
May 26, 2009

Health Information Management
At what point during the course of treatment of a new patient should notice of use and disclosure of health information, required under HIPAA, be given?
May 21, 2009

Medical Law
What is the difference between contributory negligence and comparative negligence?
May 20, 2009

Legal Aspects of Health Information
Jane Doe does not want her violent boyfriend to know shes getting an abortion. She asks Dr. John to send all communications to her to a post office box and to only call her at work. What should Dr John do, and what is the legal basis?
May 19, 2009

Confidentiality of Health Information
Jane Doe does not want her violent boyfriend to know shes getting an abortion. She asks Dr. John to send all communications to her to a post office box and to phone her only at work. If he doesnt, Dr.John could be endangering her. What should Dr. John do, and what is the legal...
May 19, 2009

math
If you are finding the volume of a cylinder, but the cylinder has a base instead of a diameter or radius... what would you do?
April 29, 2009

child care
hi im doing my assignment in child care level 3 and i need to answer this question ,(describe ways that parents may participate in a pre school's activites to promote their children's learning and development) and (discuss how a pre school can encourage parents to ...
April 23, 2009

Please proofread
Do you think my report will be long enough? Mabye I can try to split it off into five paragraphs. Thank you for the advice. I am going to enter it in a writing contest because it is awsome and I am going to publish a book some day. It will be called 'Fun With Old Paint'...
April 12, 2009

Please proofread
Please look over my report and let me know if their are any mistakes and if it is a good one. THanx Abraham Lincon was born in 1809. He was the 16th president. He was a good and nice president. He led us through a big,bad,and super scary war. He had four kids. He was married ...
April 12, 2009

chemistry
When the water or sweat evaporates it takes heat with it.
April 12, 2009

Religion
Is there a certain age you should be when you give thing up for Lent or should you give something up at any age?
March 22, 2009

American History Honors
How did John D. Rockefeller contribute to American History? -- a paragraph, please
March 9, 2009

American History Honors
Thank you!! It helped a lot!
March 1, 2009

American History Honors
I need to present the most important facts about immigration in the 1920's. i.e. what acts where passed, who was for/against it, did immigration increase or decrease, etc. About 7 facts, no more than 10 -- this is for a "teach the class" assignment.
March 1, 2009

science
I need to find at least 3 traits that are common to humans... could someone please help?!?
January 11, 2009

help plzzz
a line of chorus girls
December 3, 2008

HISTORY!!!
I did but i couldnt find the answers?!?
December 2, 2008

HISTORY!!!
I have this test tomorrow and i have yo do this study guide and i dont no two of the questions... they are... what did the progressives support and what dod they oppose in the progressive era?!? three things for what they supported and one thing for what they opposed
December 2, 2008

HISTORY!!! This is due 2morow!!!
What are the differences between the MOnroe Doctrine and the Roosevelt Corollary?!?
November 23, 2008

SCIENCE!!!
Explain how each of the following cell's structure is related to it's function Red blood cell- Nerve cel- Musle cell-
November 22, 2008

math
you line the decimals up and then you lust add like you would with regular numbers
November 22, 2008

SCIENCE!!!
What are the organizational levels of a bird from smallest to largest?!?
November 20, 2008

4th grade English
No unless it is starting a sentence.It is a proper noun.
November 20, 2008

SCIENCE!!!
OKay... Thankyou!!!
November 18, 2008

SCIENCE!!!
Do leaf tissues and root tissues look alike? If not why?!?
November 18, 2008

SCIENCE!!!
Do plant cells have cell walls?!?
November 16, 2008

science!!!
so it is not a plant cell?
November 16, 2008

science!!!
Is a prokaryotic cell a plant cell?!?
November 16, 2008

HISTORY!!!
How did the Dawes Act affect the Native Americans?
October 16, 2008

HISTORY!!!
How did the government limit the movement of native americans?
October 16, 2008

HISTORY!!!
What is the culture of the PLains Indians?
October 16, 2008

Physics HELP!
A mountaineer estimates the depth of a crevasse by dropping a stone and listening for sound when the stone hits the bottom. The speed of sound in air is 340m/s. If the sound is heard 10s after the stone is dropped, what is the depth of the crevasse? Do you find velocity first...
October 2, 2008

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