Saturday
May 23, 2015

Posts by Jess


Total # Posts: 890

Math- Algebra
9a^2 - b^2 = (3a)^2- (b)^2 = (3a+b)(3a-b) i couldn't understand the second one though. Hope it helps!!! :-)
January 4, 2009

english
what does these quote mean? 1.)"my life for itself and not for a spectacle" 2.)An institution is the lengthened shadow of a man. 3.) Life only avails, not the having lived. 4.) Insist on yourself; never imitate Thanks for your help!
January 4, 2009

bio
T or F? stem cells in the bone marrow can produce more than a dozen types of blood cells, replacing those lost due to normal wear and tear. T or F? only eukaryotic cells undergo true mitosis.
December 30, 2008

Probability
65% of male internet users age 18-34 visit e-bay once a month. Suppose we select 6 people in this age range. What is the probability that exactly 4 of them visit the site in the past month?
December 18, 2008

social studeis
THANK YOU SO MUCH!!!!
December 9, 2008

social studies (sorry)
well we cannot mention Barack Obama and President George W. Bush!!!
December 9, 2008

social studeis
who are the current leaders of the united states? well i thought of hillary clinton, john biden but are they LEADERS??? i am so confused. please help. THANKS!
December 9, 2008

thanks!
thank you!!! :)
December 1, 2008

health
Identify and explain at least two ways that HIV and AIDS has changed our way of life forever. can you please help me? i cannot even come with one. thanks!!!
December 1, 2008

history
who are the most recent appointees of the supreme court, when and by whom? i think it's Samuel A. Alito-2006 by president George W. Bush and Chief Justice John G.Roberts- 2005 by President George W. Bush. Am I correct? Can somebody help me please? Thank You!
November 26, 2008

math need help please
let the number be x then, 50% of x = 30 (50/100)* x = 30 0.5 x = 30 x = 30/0.5 x = 60 50% of 60 is 30
November 26, 2008

math need help please
let the required percent be x. then, x% of 140 = 21 (x/100) * 140 = 21 140 X = 2100 x = 2100/140 x = 15 so 15% of 140 is 21
November 26, 2008

thank you!
thank you!
November 24, 2008

history
Why is the current court called the "The Roberts' Court"? i searched but didn't find any answer. Can somebody help please? Thank You!
November 24, 2008

earth science
what is the process that binds sediments into sedimentary rocks? i think it is deposition, compaction, and cementation. am i correct???
November 22, 2008

health
no, i mean there is no one who's experienced with first-aid emergency!
November 17, 2008

health
ok this is my question: Talk to a family member or someone you know about a first aid emergency they have experienced. Ask them what was the most traumatic about the experience, their emotions they dealt with and if they changed anything about their behaviors/action because of...
November 17, 2008

science
Questions about oil: 1. what is the main product we get from oil? 2. How many things are made from oil? 3. What do we use oil for?
November 13, 2008

science
Hi i have a science exam soon and we got given a revision sheet and i dont get this question.... Please help! Q1. What is the name of the mineral (ore) in which the following metals are found: a)silver b)aluminium c)copper d)iron e)manganese f)nikle g)lead h)tin i)titanium j)...
November 13, 2008

maths
but how..... i can't understand it!
November 8, 2008

maths
john has a total of 9 stamps, which consists of 25-cent and 2-cent stamps. his stamps have a value of $1.10. how many of each stamp does john have?
November 8, 2008

please help english!!!
we have just completed the story of washington irving... 'the devil and tom walker'. it is said that the title itself has become a proverb in england. my question is:- write a sentence that uses "the devil and tom walker" as a proverb and explains its meaning.
November 5, 2008

english
plz why isn't anyone replying?
November 5, 2008

english
we have just completed the story of washington irving... 'the devil and tom walker'. it is said that the title itself has become a proverb in england. my question is:- write a sentence that uses "the devil and tom walker" as a proverb and explains its meaning.
November 5, 2008

maths (it's urgent)
the path of the rocket is represented by the equation y= root under(25-x)^2. the path of a missile designed to intrersect the path of the rocket is represented by the equation x = 3/2 root under (y). the value of x at the point of intersection is 3. what is the corresponding ...
November 4, 2008

bmb
Under appropriate conditions, hemoglobin dissociates into its four subunits. The isolated alpha subunit binds oxygen, but the O2 saturation curve is hyperbolic rather than sigmoid. In addition the binding of oxygen to the isolated subunit is not affected by the presence of CO2...
November 4, 2008

bio chem
From the amino acids below, name the amino acids you expect to find in the following regions of an enzyme and explain why. Ala, Val, Leu, Ser, Thr, Asn, Arg, Lys, Met, Pro, Gly, Phe, Cys, His a. Turn b. Interior c. Surface d. Active site (for General Acid-Base catalysis)
November 4, 2008

bio chem
5.From the amino acids below, name the amino acids you expect to find in the following regions of an enzyme and explain why. Ala, Val, Leu, Ser, Thr, Asn, Arg, Lys, Met, Pro, Gly, Phe, Cys, His a. Turn b. Interior c. Surface d. Active site (for General Acid-Base catalysis)
November 4, 2008

BMB
1.You have a mixture of protein A and protein B in a buffer of pH 7. The pI of protein A is 3 and the pI of protein B is 8. The molecular weight is the same. (a) What kind of column chromatograph would you use to separate them? Explain your answer in 2-3 sentences. (b) Can you...
November 4, 2008

BMB
1.explain the role of the H-bond in the alpha helical structure. 2. explain the role of H-bond in the beta sheet structure.
November 4, 2008

physics oscillator energy
a block of wood of mass 0.25kg is attached to one end of a spirnf og constant stiffness 100N/m. The block can oscillate horizontally on a frictionless surface, the other end of the spring being fixed. a) calculate the maximum elastic potential energy of the system for a ...
November 3, 2008

bio (plz help)
how does pancreatitis disrupt homeostasis?
November 2, 2008

bio
alos how does this disease disrupt homeostasis?
November 2, 2008

bio
how can we treat acute pancreatitis? how will the treatment function(what will it do to the organ)?
November 2, 2008

bio( sorry for the long question)
a persaon complains about abdominal pain. she also has fever, pain the middle back, clammy skin and nausea/ vomitting. her blood test report the following:- high serum amylase high serum lipase. her past medical history is given below:~ 1. diagnosed with gall stones(...
November 1, 2008

social
thanks!
November 1, 2008

social
was the nile river part of the Babylonian empire?
November 1, 2008

bio
how does acute pancreatitis affect organs of the digestive system? does anyone know its answer?
October 31, 2008

Bio(please it's urgent!)
A person suffers from abdominal pain. other symptoms are - nausea and vomitting - fever 103 degree - pain in the middle of back - clammy skin her blood test tell the following things?: -high serum amylase -high serum lipase what do u think she is suffering from? please help!!!1
October 30, 2008

Chemistry
Concentrated alcohol and distillery slop are produced from fermented beer with a reduced amount of energy by employing a vapor recompression distillery slop evaporator in which evaporator vapors are used to strip alcohol from the fermented liquor before they are returned as ...
October 30, 2008

7th grade
In the sentence, During the 1990's, MC Hammer "was too legit, too legit too quit." Waht are the nouns?
October 30, 2008

sci
As the atomic number increases, one is trying to squeeze more positively charged protons into the limited space of the atomic nucleus. A consequence is that heavier mass isotopes, for example, U(238) is more stable than U(235). The additional neutrons "dilute" the ...
October 30, 2008

English
Ther isn't one. A compound noun is when you put two noun together to make a word like blackboard
October 30, 2008

bio
what adjustment of the microscope shows the cell's depth. I have already searched google.....please help!
October 30, 2008

history
i am supposed to draw a political cartoon on either federalists or anti-federalists. can someone give me some ideas please? it must focus on a event or issue. plese help!
October 30, 2008

Algebra II
1 mph
October 29, 2008

english
to
October 29, 2008

algebra
its simple just plug r,t and i the it would be:- i = ptr 420 = p*4*0.035 420= .14p p= 420/.14 p=3000 so p would probably be $3000
October 28, 2008

math
45.) g-2<7 g-2+2=7+2 g<9 25.) 1<8+b it can also be written as b+8>1 so, b+8-8>1-8 b>-7 i hope this helps!
October 28, 2008

Science
in science weve been given this cheese thing and i dont know what the big idea of particles OR the big idea of engery is! SOS
October 19, 2008

Math - algebra
wouldn't factoring it make it look like this? q(q-6)+ 5 = 0
October 16, 2008

Math - algebra
I've got your factoring thing - do you have a 2nd solution?
October 16, 2008

Math - algebra
let's say q = 10 (10 -1) (10-5) = 0 (9)(5) = 45 I'm not trying to be a problem, it's been more years than I'd like to admit since I've done this, and I'm trying to help my son with homework. He's trying to "work backwards" to solve this, ...
October 16, 2008

Math - algebra
Find both solutions to the equation: q(squared) - 6q + 5 = 0
October 16, 2008

accounting
thanks would i debit $280?
October 14, 2008

accounting
On Dec 28th Victor received the Utility bill for the month of December. He has not yet paid it but plans to pay it on January 5th. It was for $280. What do i debit and credit to utility expense and utilities?
October 14, 2008

accounting
Victor has two employees who each get paid $150/day. December 31st is a Wednesday. These two employees will not be paid until Friday, January 2nd. How much do i debit to salary expense and how much do i credit to salary payable?
October 14, 2008

Economics
What is the difference in terms of economic growth, economic development and resource allocation between a market structure and a centrally planned economy (use PPF to explain)? I'm not sure how to compare planned economies with market structure, because it seems to make ...
October 4, 2008

College Math
A certain man spent 10% of his life in childhood and 20% of his life as a young adult at which time he married his lovely bride. Five years later his son was born. His son lived to be half the age of his father when his father died. The man died ten years after his son died. ...
September 29, 2008

Math
How do you turn a negative exponent into a positive exponent?
September 29, 2008

goverment
what does it mean to nationalize the bill of right?
September 28, 2008

goverment
was the constitution a principled or a pragmatic document
September 28, 2008

french : number
how do you say 793,000 in french? thanks!
September 27, 2008

Organic Chemistry
Thank you so much!! =)
September 27, 2008

Organic Chemistry
We've been working on extraction of known/unknown compound mixtures lately, and we have to give equations for the acid-base reactions that occurs between HCl, NaOh and (a) R-COOH (b) R-NH2, and (c) Neutral compounds (naphthalene and triphenylmethanol) For (a) carboxylic ...
September 27, 2008

MATH
8 hrs
September 25, 2008

Maths
Since a hexagon is a plane figure, the volume of any hexagon is zero. Perhaps you mean "the area of a hexagon" or possibly "the volume of a hexahedron". Let us know and I'll try to help. Are you concerned only with regular hexagons or regular ...
September 24, 2008

college: zoology 251
i am in zoology class plz someone help me with this homework question: Question: Sequence the following event during the cardiac cycle, in right order. 1. AV valves open; aortic valve closed;ventricular filling occuring. 2. Blood ejected from the ventricle 3. atrial ...
September 24, 2008

science
What i the normal anatomy of sickle cell anemia?
September 23, 2008

English Lit
I have to 'discuss the language' of some quotes which I have taken out of the text which I'm doing, but I'm not sure what to do. With this, do I have to talk about punctuation marks, specific words? Thanks!
September 23, 2008

Greatest Common Factors
In the lunch room, 36 fith-graders and 27 fourth-graders are sitting in equal groups. All the students in each group are in the same grade.What is the greatest number of students who could be in each group?
September 16, 2008

5th grade
42 49
September 16, 2008

5th grade
To numbers between 40 and 50 have a grestest common factor of 7. The digits of one number have a sum of 6. The digits of the other number have a sum of 13. What are the two numbers?
September 16, 2008

physiology
add
September 16, 2008

ICT
can anybody get me a collection of data of a movie!!!plzzzzzzzzzz..............its urgent thxx... xxx
September 15, 2008

writing skils
In the metaphor of language as a layer cake given in your study unit, which of the following words could be considered to be a frosting word?
September 12, 2008

URGENTTT!!
I need to use the scalar triple product. but i dont have any vectors? how am i supposed to know what the vectors all coming from one corner are?? Q:Calculate the volume of the parallelepiped with vertices at: (9,4,3), (7,12,2), (12,5,6), (3,-4,0), (10,13,5), (1,4,-1), (4,5,2) ...
September 6, 2008

URGENTTT!!
I need to use the scalar triple product. but i dont have any vectors? how am i supposed to know what the vectors all coming from one corner are?? Q:Calculate the volume of the parallelepiped with vertices at: (9,4,3), (7,12,2), (12,5,6), (3,-4,0), (10,13,5), (1,4,-1), (4,5,2) ...
September 6, 2008

Voc.
use this word in a sentense CAPITALISM
September 4, 2008

Algerbra
how many feet of fencing must be used to enclose a rectangular space that is 30 yards long and 28 feet wide?
July 29, 2008

maths!
1/f= 1/u + 1/v make f the subject of the formulae thank you in advance!
July 26, 2008

math
John is three times as old as his son, Michael, and in x year time he will be twice as old as him (i) write down expressions for Johns and Michaels age in x years time (ii) write down and solve an equation in x I know the answers as they are in the back of my book although I ...
July 25, 2008

literature
During what part of "Bernice Bobs Her Hair" does Bernice cut Marjoie's braids?
June 24, 2008

Science / Biology
"Would the mutations / adaptations have been rapid?" The mutations would need to have been almost instantaneous, no? I mean, how would this work?
May 11, 2008

Science / Biology
Just because this sub-categorical idea that "life evolved from rocks" is highly unlikely, doesn't mean Evolution as a hole is absurd.
May 11, 2008

Science / Biology
Why would you say that Anonymos person?
May 11, 2008

Science / Biology
Would the mutations / adaptations have been rapid? It would need the ability to absorb, distribute and utilize nutrition properly... Any ideas?
May 11, 2008

Science / Biology
How does modern science explain the evolution of abiotic to biotic matter? How would the first life form have survived in the first day / week of its formation? What kind of system of organelles / biological functions would it have to form in the first day / week of it's ...
May 11, 2008

Calculus
Can someone please tell me how to derive V=4/3pi(r)^3 to get x^2+y^2=r^2?
March 23, 2008

Physics
Is getting shot considered to be an elastic or inelastic collision if blood shoots out everywhere?
March 22, 2008

algebra
what happened when two fruit companies merged? this question is on a worksheet i have to do.
March 11, 2008

religions
I need to choose one religion to write on, Judaism, Islam, or Hinduism. Which one has more information on the net and easier to write?
March 3, 2008

French
Is the correct way to say I like to go shopping, J'aime faire du shopping?
February 29, 2008

mathematics
50
February 26, 2008

chemistry
Which of these are acidic, basic or a salt...Why? Al(NO3)3 K2CO3 NaBr NaHSO4 NH4Cl Do you know of any website I can use to help me use the atomic structure to find out whether it is an acid or base? Thanks
February 23, 2008

chemistry
Use stochiometry a) Molar mass F = 19g/mol so... (3.011 x 10^23 atoms F) X (1molF/(6.022 x10^23atoms)X (19g/1mol F) = 9.5 g F (1molF/(6.022 x10^23atoms) = Avogardro's Law can be used in any situation such as this. Use it for the rest of the questions listed in the same way...
February 23, 2008

Accounting
I found the answer to this question. No help is needed thank you.
February 23, 2008

Accounting
What is the primary difference between a performance budget and a program budget?
February 23, 2008

Chemistry HELP
Not all enzymes have an optimum temp of around 40 degrees celcius. Find out where reactions involving enzymes: would take place at very high temperatures would take place at very low temperatures i've tried looking on the internet, but I get a lot of results on how high ...
February 14, 2008

financial management HSA
I have to write a paper for my financial management for human service administrators class about a community foundation. Can anyone give me some interesting examples to write about?
February 12, 2008

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