Friday
November 28, 2014

Posts by Jess


Total # Posts: 853

astronomy
The only important historical solar system object which has not yet been visited up close by satellite spacecraft is.. A) a comet or asteroid b) pluto c) neptune d) saturn's moon titan
October 4, 2009

history
what was the significance of reservation policy?
October 4, 2009

Physics
Suppose you are given the following equation, where xf and xi represent positions at two instants of time, vxi is a velocity, a is acceleration, t is an instant of time, and a, b, and c are integers. xf = xi ta + vxi tb + 1/2 ax tc For what values of a, b, and c is this ...
October 4, 2009

Biology
first question is organelles
September 27, 2009

CHEMiSTRY PLEASE HELP
What is the mass of 4.2 kg of gold when it is transferred to a planet having twice the gravity of earth?
September 27, 2009

chemistry
51. What is the mass of 4.2 kg of gold when it is transferred to a planet having twice the gravity of earth? 71. You have a mixture of salt and sand that must be separated by using physical changes only. Describe what you would do to prepare dry samples of the two constituents...
September 27, 2009

Sci.
51. What is the mass of 4.2 kg of gold when it is transferred to a planet having twice the gravity of earth? 71. You have a mixture of salt and sand that must be separated by using physical changes only. Describe what you would do to prepare dry samples of the two constituents...
September 27, 2009

chemistry
i need help in chem too. something similar
September 27, 2009

chemistry
thank you
September 27, 2009

social science
four elements of the consumer bill of right?
September 17, 2009

Chemistry130
Can someone please help me with this question? Propose a possible explanation as to why this trend exists. What characteristics of the elements lead to this trend? We are discussing Ionization energy! She's asking for characteristics like subatomic attractions, electron ...
September 17, 2009

algrebra
6-9(g+3)+6g
September 14, 2009

math
The volume of Fort Peck Dam is 96,050 X 1000m3. Suppose the state of Montana decides to increase the volume of the dam. After the improvements, Fort Peck will hold 10 times as many cubic meters. How many cubic meters will Fort Peck hold after the improvement.
September 8, 2009

math
What are the odds in favor of getting at least one head in three successive flips of a coin?
September 6, 2009

5th grade Math
What????????
September 4, 2009

CALC
Solve the Equation: 1. 2^x + 2^-x = 5 2. Log2x + log2(4 – x) = 0 thanks. i'm not sure how to approach this at all.
July 22, 2009

Calc
Find the x and y intercepts of the line: x/a + y/b = 2 thanks!
July 21, 2009

science-english
What does radioactive mean?
May 26, 2009

science-english?
What does radioactive mean???
May 26, 2009

Spanish 1
10.ha 11.hay 12.hay
May 18, 2009

Physics
Which is the strongest fundamental force acting between microscopic particles? A. Strong force B. Weak force C. Gravity D. Electromagnetic Force I think it's either A or D, but I'm not sure which.
May 1, 2009

english
OK im supposed to identify the part of speech of the word in brackets...A city must be planned [carefully], or people will not want to live in it. I think it is an adverb but im not certain.
April 30, 2009

science
how do we see black and white
April 30, 2009

Math - Algebra II
2 down. I'm having trouble here f(x) = 4x + 2 h(x) = -7x - 5 Find f(h(x)) I tried doing it how it was done above, but i'm not getting an answer listed. = f(-7x - 5) = 4x(-7x-5)+ 2 = 28x^2-20+2 = 28x^2-18 Where am I going wrong :| ? ALSO - f(x) = 4x-3 g(x) = x2-2 Find f...
April 28, 2009

Math - Algebra II
Thank you so much! I've been sitting here for hours. Only 4 to go. Thanks :)
April 28, 2009

Math - Algebra II
Hello, i'm currently doing functions and I was fine until I got to multiplication. I really don't know what i'm doing, and would really appreciate a step by step on a few questions. f(x) = -3x + 9 g(x) = 8x + 7 Find g(f(x)) I got -24x + 16. Another : f(x) = -3x + 9...
April 28, 2009

physics
what has more predictable behavior, a proton or an electron, and why? a. an electron because of its smaller mass b. a proton because of its larger mass c. an electron because it doesn't feel the nuclear force d. a proton because it doesn't feel the nuclear force e. an ...
April 14, 2009

Science-physics
I am learning about simple machines. What does high gear and low gear in bicycles mean? Please give a simple explanation.
April 5, 2009

chemistry
Many ionic compounds have high melting points because a lot of energy is required to break the strong ionic bonds. So after breaking the ionic bonds, the ionic compound becomes a liquid. How do you explain why the ionic compound also has high boiling point?
April 4, 2009

college
The square of an integer is 12 more than the integer. Find the integer
March 16, 2009

biology
where are most of the stomata located? how does its position aid both their function and the functioning of the plant? please help!!!
March 15, 2009

Biology
Alternate arrangement means that the leaves of the ivy plants are alternately placed in the stem. So how does this arrangement help in the photosynthesis process?? Thanks for your help!!!
March 15, 2009

Biology
Explain how the alternate arrangement of leaves in Ivy plant increase photosynthesis? Please help me! I am stuck in this question!!!
March 15, 2009

Math (Check)
Thanks for your help!!! :)
March 9, 2009

Math (Check)
The equation y = a^x is a decreasing function a = 1) 1 2) 2 3) -3 4) .25 I think that the correct answer is 3) -3...but I am not sure why? Can anyone please check if I am right and explain why? Please....Thank you for your help!!!
March 9, 2009

Bio
Why is HIV so successful in infecting human?
March 8, 2009

chemistry
why is changing a metal ore into the metal known as reduction?
March 5, 2009

math
reverse distribution 8x+28-16y 3x+21+15y
February 25, 2009

Math
im not sure thats just how they are set i have to find the reverse distribution for each set
February 25, 2009

math
How would you convert something like: 13 7/8 % or 14 2/3 % into a decimal? Could you please explain the steps? Thank you.
February 25, 2009

Math
She would mean my math teacher. SOO SORRY.
February 25, 2009

Math
Well in school we were reviewing percents, and one of the main things being discussed was how to convert between fractions, decimals, and percents. However I didn't understand how she explained converting fractions to decimals. She said that on the test we weren't ...
February 25, 2009

English
for the given group of words, determine the denotion: 1) Jovial Ludricious Carefree 2) Jealous Protective Envious 3) Ignorant Uncertain Doubting For 1) can I use cheerful or happy to denote the group. what about 2 and 3? i think 3 can be deonoted with illiterate or something ...
February 24, 2009

transformation
thank you both....so the correct answer is (6,1) Thanks!!! :)
February 23, 2009

transformation
thank you so much....i think i got it. thanks again!!!
February 23, 2009

transformation
i am in grade 11 but this stuff is from grade 10. i am a new student and have not studied it back in my country. the paper is due tomorrow and i don't have a clue how to do it.... the substitute handed us the paper today. so i cannot even ask my teacher till tomorrow....
February 23, 2009

math (geometry)
thank you so much!!!!!
February 23, 2009

math (geometry)
The pre-image of a reflection lies in quadrant II and the image is in quadrant III. which line could be the line of reflection? a) y=x b) y=-x c) x-axis d) y-axis if you can then please do explain whay. i have no clue!!! thanks for your help!
February 23, 2009

SOCIAL STUDIES
help plz...
February 18, 2009

SOCIAL STUDIES
What happened to the trenches after WW1? After world war one ended what happened to the trenches that were dug... were they left or filled in?
February 18, 2009

science - help needed
What drives the motor in a roller coaster? Is it electromagnetic force or electricity?
February 14, 2009

science-physics
1) A man places a ladder against a wall. He then climbs up the ladder. Briefly describe the forces acting on the man, on the ladder & on the wall? - On the man: gravitational force & frictional force? - On the ladder: gravitational force & frictional force? - On the wall: ...
February 14, 2009

Bio
How does Tetanus disrupt the homeostasis? i think it has something with the amount of calcium in our body but i am not quite sure.....can u please help me? Thanks!!!
February 9, 2009

global
thank you! :)
February 3, 2009

global
how does adapting to differents environments lead to the development of diverse cultures?
February 3, 2009

math
question above
February 3, 2009

math
i wrote it wrong.... it should read make 4 6's equal 66 and make 4 8's equal 640
February 3, 2009

math
make 4 6's equal 640
February 3, 2009

adult education
c d c d d b a a b c d c c a d a a b a c c These are correct to the best of my knowledge.
January 25, 2009

history
if the president and vice president can't serve out their terms,the next person in line to govern is the??
January 22, 2009

physical fitness or sports
thank you both for your help. i think i got my answer. thanks once again!!! :)
January 19, 2009

physical fitness or sports
i came up with these too: - sports journalist - sports photographer - consultant(sports medicine) do correct me if i am wrong wrong. Thanks!!
January 19, 2009

physical fitness or sports
Name 10 career options in the fields of physial fitness or sport. I have come of with these: -physical trainer -player -coach -refree I need help. Can someone help me to come up with the other 6. And also please check if I am corect. Thanks for help!!!
January 19, 2009

Intermediate Algebra
yes, i think that you are correct :)
January 18, 2009

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

Pages: <<Prev | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | Next>>

Search
Members