Monday
April 27, 2015

Posts by samantha


Total # Posts: 1,410

7th grade math
The second difference of a sequence is a constant 5. The differences between the first term and the second term, 12, is 8. How do I find the first five terms?
May 22, 2011

Trig
Cos x
May 22, 2011

geometery
Triangle TUV is the midsegment triange of triangle ABC. Which angel does not necessarily measure 40 degrees?
May 17, 2011

Science/Chemistry
22Na has a half-life of 951 days. How many grams of a 1.00 kg sample would be left after 4 years?
May 16, 2011

religion
why do muslims fast in ramadan and not during any other islamic month?
May 15, 2011

history
How is that Buddhism declined after the Muslim invasions while Hinduism survived?
May 14, 2011

algebra 1
A ladder leans against a building, forming an angle of 53° with the ground. The base of the ladder is 3 ft from the building. To the nearest hundredth of a foot, how long is the ladder?
May 10, 2011

Chemistry (really need quick help)
Balance the following equations. (Use the lowest possible coefficients. These may be zero.) (a) As(s) + ClO3-(aq) ---> H3AsO3(aq) + HClO(aq) (acidic solution) I am using half-reactions but I dont really get this at all. Can someone explain?
May 5, 2011

science
plunger a has an area of 54cm and plunger b has an area of 15cm, how much more force can be exerted by plunger b
May 5, 2011

chemistry
Assign an oxidation state to each atom in each of the following compounds. 1) Fe(CN)3 i know Fe= +3 but how do i find the oxidation state for C and N? does CN have a normal over all charge?
May 5, 2011

Science_Chemistry
Oh... I get it now! Thank you very much. Your help is greatly appreciated.
May 2, 2011

Science_Chemistry
volume+ 1000/1.1=909 ml? I don't get this... I understand how you got the water
May 2, 2011

Science_Chemistry
How did you get the amount of water?
May 2, 2011

Science_Chemistry
A glucose (C6H12O6) solution is 2.5% glucose by mass. If the density of the solution is 1.10 g/mL, what is the molarity of glucose/water solution?
May 2, 2011

Chemistry
What is the pH of a 0.0250 M solution of HCN? Ka = 4.0x10^-10
May 2, 2011

7th Grade Science, Plz help due tomorrow!!!!
What are tetrahymena thermophila's primary source of energy??
May 1, 2011

Science
Where do paramecium bursaria fit in an ecological food chain? Are paramecium bursaria a producer, consumer, or decomposer? What eats paramecium bursaria?? PLZ HELP!! THANK YOU!! :)
April 29, 2011

Social Studies
i hope it helps. i did my best. I did the best i could with the situation. but i didn't do much...i did everything with excitement and joy all from my heart. i never ever had as much fun or felt so much happiness in an anti-slavery meeting...but when i was in an anti-...
April 22, 2011

science
Can someone please give me a good website (other than wikipedia)on the four natural selection. -Thank you
April 22, 2011

Calc 3
How do I integrate rcos2theta dr? and then I have to plug in the limits 1 and 2sin2theta for theta and plug what I get from that into a second integral. Help!
April 22, 2011

French
Bonjour! So for my homework assignment I'm writing a letter to the clouds because I'm angry about waking up to snow this morning. We just have to use vocab words. Anyway, I'm stuck on how to say this: Please keep your precipitation to yourself My best attempt is: S...
April 21, 2011

Chem help!!!!
I am supposed to find 2 food labels that have high chemicals in them. This is the instructions he gave us: Highlight all CHEMICAL names on the label (DO NOT COUNT wheat, flour, sugar, salt, oils, salt, etc) (however dextrose would count) please help me find two foods that ...
April 18, 2011

help chem quick question!
I have to find a food label that has horrible chemicals in it (such as dextrose). I am supposed to find 2 food lables with the nastiest labels.? What foods would be a good choice?
April 18, 2011

chemistry
How many grams NO gas can be produced from 110mL of 4.00 M HNO3 and excess Cu? 3Cu(s) + 8HNO3(aq) – 3Cu(NO3)2(aq) + 4H2O(l) + 2NO(g)
April 13, 2011

Art Project
I have to do an art project for my art class and I am having trouble thinking of an idea. My art project has to be "shock art" its almost like DaDa but its got to be shocking. I can paint it, draw it, make a collage, or just put pictures together...anything really
April 11, 2011

Physics
What is the magnitude of the force per meter of length on a straight wire carrying an 8.50 -A current when perpendicular to a 0.55 -T uniform magnetic field?
April 6, 2011

pre-algebra
a sweater originally cost $37.50. Last week, Moesha bought it at 20% off.How much was deducted from the original price
April 5, 2011

chemistry
how many atoms are in 0.320 moles of aluminum?
April 5, 2011

Algebra Please Help
1. you can tell is a polynomial is written in factor form wether it is like this 4(6n+9j-6v) or 8h(9k+3l)or m(6+k) 2. 14x^4 - 6x^3 + 2x^2 3. Yes you cn use the F.O.I.L method. 4. you can use the formula a^2 + 2ab + b^2. (a+b)^2 or you can you use the F.o.i.l method. (a+B)(a+b)
March 30, 2011

Math
can someone please help me...
March 30, 2011

Math
Heres a challenge: six students(4 boys and girls) were divided into three pairs. given this information. What is the probability of 2 girls making 1 pair? Express as a common fraction. Oh and please explain!!
March 30, 2011

History
My teacher wants me to tell her what the climate is like in alaska but i cant seem to find anything about it in simple terms.... what is a good way to put it?? PLEASE HELP ME
March 28, 2011

uog
A survey of an urban university (population of 25,450) showed that 750 of 1100 students sampled attended a home football game during the season. What inferences can be made about student attendance at football games? Using the 90% level of confidence, what is the confidence ...
March 25, 2011

business
a. be as ambiguous as possible to avoid offending the members of the audience. b. begin the message with something both of you and the audience can agree upon. c. try to convince the audience that your solution is perfect and that there are no other alternatives. d. deliver ...
March 24, 2011

Organic Chemistry
How many grams of 2-propanol are expected from the complete reaction of 111 g of propene?
March 15, 2011

math
Bart's drama club put on a play.There were 843 people in the audience.Each ticket to the play cost $8.The audience was seated in 3 sections.If each section had the same number of people,how many people were in each section?
March 7, 2011

social studies
is roanoke the first colony? or is jamestown the first colony?
March 4, 2011

health management
As health care manager what two strategies would you consider to help build internal and external relationships that could benefit your organizations?
March 3, 2011

Geometry
Find the measure of each angle if <BAD and <BDC are right angles and m<ABC=84
February 25, 2011

English
EVERY YEAR AS SOON WHAT WILL WHAT DELICIOUS MOST IMPORTANTLY INDEED THE ______ ______ What are the next to words?
February 18, 2011

Spanish-6th grade-Please check my answers
Could you please check these I think they're correct but I'm not sure. 1.How old am I? Tengo once años. 2.How old is your father? Mi padre tiene cuarenta y seis. 3.Do I have siblings? Sí,tengo dos hermanos. 4.Son mayores or menores? Son mayores. 5.Are you...
February 16, 2011

Spanish-Please check my answer
Thanks a million-I really appreciate it
February 15, 2011

Spanish-Please check my answer
If I say my mom is younger than my dad do I say it this way? Mi madre es menor de mi padre? or do I say Mi madre es menor? Thank you I'm really confused on this one.
February 15, 2011

Spanish-6th grade
Thank you very much
February 15, 2011

Spanish-6th grade
1.If someone's birthday is December 1 would I say Es el primero de diciembre or Es el uno de diciembre? I think I would say Es el uno de diciembre because I think I only use el primero for January/ Is that correct? 2. If I said my grandparents names are Mary and Clem would...
February 15, 2011

social studies
what was a puritan business charter? why was it important? and why did king chrles stopped giving out the charter? Can you explain the importance of this charter? please. -thank you:)
February 14, 2011

math
how much meters go in 38,000cm
February 14, 2011

math
Megan factored the expression (-12x^2+52x-35) as (-2x+5)(6x-7) but when Jacob applied FOIL principle and multiplied out (2x+5)(6x-7) he got (-12x^2+44x-35),thus megan's solution does not appear to check please help megan to understand better.Explain your reasoning and ...
February 13, 2011

math(geometry
W and Z are coordinates of OR and ST respectively. In parts (a)-(c) find coordinates of W and Z
February 8, 2011

algebra
answer to Solve the system of equations by graphing then classify the system 6x-y=39 6x+7y=15
February 6, 2011

Math
If f(x)= 3/x-4 and g(x)=2x, there is at least one value of x for which the composite function f(g(x)) cannot be evaluated. What is that value of x? For what value(s) of x is it impossible to evaluate g(f(x))? How do you figure this out?
February 4, 2011

math
She has 16 bracelets. The number of earrings is 2 times the number of necklaces. she has 43 pieces of jewelry in all. How many of eac piece of jewelry does she have?
February 3, 2011

Math
If f(x)=3x^2 g(x)= 1/6+x find the following and give the domain (f+g) (x) (3x^2) + (1/6+x) x is all real numbers and x is not equal to 6 (f-g) (x) (3x^2) - (1/6+x) 3x^2 -6-x x is all real numbers and x is not equal to -6 (f x g) (x) I do not understand (f/g) (x) 3x^2/6-x x is ...
February 1, 2011

sorry left out a "x"
If f(x)=3^2 g(x)= 1/6+x find the following and give the domain (f+g) (x) (3x^2) + (1/6+x) x is all real numbers and x is not equal to 6 (f-g) (x) (3^2) - (1/6+x) 3^2 -6-x x is all real numbers and x is not equal to -6 (f x g) (x) I do not understand (f/g) (x) 3^2/6-x x is all ...
February 1, 2011

Algebra 2
If f(x)=3^2 g(x)= 1/6+x find the following and give the domain (f+g) (x) (3^2) + (1/6+x) x is all real numbers and x is not equal to 6 (f-g) (x) (3^2) - (1/6+x) 3^2 -6-x x is all real numbers and x is not equal to -6 (f x g) (x) I do not understand (f/g) (x) 3^2/6-x x is all ...
February 1, 2011

7th social studies
where did the pilgrims(separatists) build their settlement site on?
January 28, 2011

Chemistry
a gas has a volume of 1.75 L at -23 degrees Celsius and 150 kPa at what temperature will the gas occupy 1.30 L at 210 kPa
January 20, 2011

Physics
$53,240.60
January 18, 2011

Psychology
Andy, age 16 lacks self-discipline fails to plan ahead and is quickly frustrated by challenging tasks. He is anxious and overly critical of others. Use the psychoanalytic, humanistic, and social-cognitive perspectives to give three contrasting explanations of Andy's ...
January 15, 2011

math
WHAT are the frist 10 composite numbers
January 12, 2011

math
thanks
January 12, 2011

math
A number divisible by another number when the ________ after division by that number is 0?
January 12, 2011

math
thanks too all that helped.. and marcie its okay thanks anyways:)
January 12, 2011

math
but how do you know?
January 12, 2011

math
is 2,340 divisible by 90? how do you know?
January 12, 2011

math
u and the helper lol
January 12, 2011

math
thanks
January 12, 2011

math
thanks for the help i got another question. if 1/5 of a region is not shaded, what part is?
January 12, 2011

math
alex has 7 dimes and three nickels. what fraction of the coins are dimes?
January 12, 2011

math
camp big trees has 3 red canoes 4 blue canoes what fraction of the canoes are red?
January 12, 2011

math
12/17??
January 12, 2011

math
if 5/17 of a region was shaded wat part is not?
January 12, 2011

Medical office practice
appointments - preparing new patient appointments schedule drafting letter to patients to inform of new doctors hours
January 6, 2011

physics
a yo-yo of mass 440kg measuring 0.9m in radius was dropped from a platform 63m high. One end of the string was tied to the platform, so the yo-yo unwinds as it descends. Assuming the axle of the yo-yo has a radius of 0.2m, find the velocity of descent at the end of the fall. ...
December 29, 2010

Psychology
Question: • If each gender has an advantage based on its brain pattern, how can social scientists say that these differences create a disadvantage for females? (Think about the highest paying and highest prestige career fields and what skills are necessary for achieving ...
December 18, 2010

Psychology
sorry... explain the Glass Ceiling affect in greater detail please.
December 18, 2010

Psychology
Use the Internet to explore a sexual discrimination suit that involved the principle of the Glass Ceiling.
December 18, 2010

History
. Use the Internet to research how ethnicity affected the lives of these prominent figures in ONE of these ethnic minority groups: Henry O. Flipper and Rosa Parks (African American), Leonard Peltier and Wilma Mankiller (Native American), César Chávez and Josefina...
December 18, 2010

History
.Several states have passed legislation abolishing many policies associated with Affirmative Action. What is your opinion concerning the place of Affirmative Action in hiring practices or academic admissions?
December 18, 2010

psychology
• If each gender has an advantage based on its brain pattern, how can social scientists say that these differences create a disadvantage for females? (Think about the highest paying and highest prestige career fields and what skills are necessary for achieving success in ...
December 18, 2010

pyschology
i think that gender stereotypes are not the same as they were in the 50s but there are still stereotypes just not some much about gender i think people stereotype race and culture and how you look more now.
December 18, 2010

pyschology
Talk to your parents or older friends or relatives about gender stereotypes since the 1950s. Which, if any, gender stereotypes have remained fairly consistent since the 1950s? If you think some stereotypes are the same, what has perpetuated them? If you think we don't have...
December 18, 2010

Chemistry (stoichiometry
well thank you both that really helped...=D
December 17, 2010

Chemistry (stoichiometry
(This homework question has been removed due to a copyright claim submitted by K12, Inc.) _----------_ [" okay this is what i got and im not sure if i did it right nor do i know if i answered everything the questions wanted so could you help me out please"] _...
December 17, 2010

4th grade
what is 27×19 in expanded algorithm?
December 13, 2010

chemistry Molarity
529.5
December 11, 2010

4th grade
do u know how to bulid the alamo ?well me nither so lets find out
December 9, 2010

algebra
whta is the rule? m 2 4 6 8 n 18 16 14 12
December 8, 2010

discrete math
Let A= {for all m that's an element of the integers | m=3k+7 for some k that's an element of positive integers}. Prove that A is countably infiite. Note: you must define a function from Z+ to A, and then prove that the function you definied is a bijection
December 4, 2010

Discrete Math
Let a, b, c, and d be integers, and let n be a positive integer. Prove that if a is congruent to c mod n and b is congruent to d mod n, then (a-b) is congruent to (c-d) mod n
December 4, 2010

AP Chemistry
Two solid objects, A and B, are placed in boiling water and allowed to come to temperature there. Each is then lifted out and placed in separate beakers containing 1000 g water at 10.0 degrees Celsius. Object A increases the water temperature by 3.50 degrees Celsius; B ...
December 2, 2010

chemistry help!
A sample of methane gas, CH4 was collected over water at 25 degrees celcius and 720 torr. The volume of the wet gas is 2.50L. What will be the volume of the dry methane at a standard pressure?
December 1, 2010

Chemistry
Two solid objects, A and B, are placed in boiling water and allowed to come to temperature there. Each is then lifted out and placed in separate beakers containing 1000 g water at 10.0 degrees Celsius. Object A increases the water temperature by 3.50 degrees Celsius; B ...
December 1, 2010

chem homework
a gas occupies a volume of 410mL at 27 degrees Celcius and 740mm Hg pressure. Calculate the volume the has would occupy at STP.
November 30, 2010

science
how do you write the chemical equation for liquid pentanol (C5H12O) and gaseous oxygen ? Thanks ~Samantha~
November 29, 2010

6TH GRADE MATH
what is the shape? and what is your question?
November 29, 2010

Math
^ same as bobpursley. my only guess would be 24 degrees - 7 degrees = x and then again i have no idea what you are wanting to know.
November 29, 2010

chem
what are 6 elemts that make up Yellow Gold? What are 6 elements that make up White Gold? What are 5 elements for platinum for gemstone settings? what are 2 elements that make up palladium for gemstone settings? what is 1 element that makes up a diamond? 3 elements that make up...
November 29, 2010

chemistry
What is the total number of valence electrons that must be shown in the Lewis structure for magnesium fluoride I think 16 but im not sure
November 29, 2010

chemistry
Most elements are stable with eight (8) valence electrons. True or False Elements react in order to gain, lose, or share electrons. True or False
November 29, 2010

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