Eleanor
Most popular questions and responses by Eleanor
chemistry !
a 135g sample of sea water is evaporated to dryness, leaving 4.73 g of solid residue (the salts formerly dissolved in the seawater). calculate the mass percent of solute present in the original sea water. please help I need to pass this test. thank you
asked on March 4, 2013 
Physics
A helicopter is rising vertically at a uniform velocity of 14.7 m/s. When it is 196m from the ground, a ball is projected from it with a horizontal velocity of 8.5 m/s with respect to the helicopter. Calculate: a.) when the ball will reach the ground b.)
asked on October 7, 2015 
sciencebiology help
knowing that as the steepness of a concentration graident increases, the rate of diffusion increases, explain how a single celled organisms would respond in an oxygen rich pond compared to an oxygen poor pond. I'm not really sure but in an oxygen poor pond
asked on October 17, 2009 
Physics
A constant friction force of 10 N acts on a 85 kg skier for 20 s. What is the skier's change in velocity?
asked on January 12, 2011 
Math
The diagram shows a solid metal cylinder. The cylinder has base radius 2x and height 9x. E cylinder is melted down and made into a sphere of radius r. Find the expression for r in terms of x.
asked on November 17, 2012 
Chemistry 2
what is the pH in a 0.13M solution of aniline (Kb=4.3*10^10). What is the concentration of C6HNH2 in the same solution?
asked on November 9, 2014 
Maths
There are 9 counters in a bag. There is a number on each counter. 1, 1, 2, 2, 2, 3, 3, 3, 3. Joanne adds together the numbers on the 3 counters to get her total. What is the probability that he total is 6? Thank you.
asked on March 25, 2017 
Combinations
Assume that the set S has 10 elements. How many subsets of S have at most 4 elements? This question is from the section in my book called "Counting Partitions: Combinations." I would greatly appreciate any help! Thanks!
asked on February 19, 2009 
Math
Alyssa started hiking at an elevation of 1500 feet. After 2 hours, she was at 1200 feet. Which integer describes her change in elevation?
asked on October 13, 2016 
Math
Assume that the set S has 10 elements. How many subsets of S have at most 4 elements? This question is from the section in my book called "Counting Partitions: Combinations." I would greatly appreciate any help! Thanks!
asked on February 19, 2009 
Math
counting on the number line what is the missing number for 10 22 34 46 58
asked on August 16, 2016 
French
I am writing a narrative with that involves multiple verbs in the PC/l’imparfait within the same sentence. I suspect there are special procedures you follow when conjugating in this situation, but I don’t remember what. I remember something about using
asked on February 24, 2011 
algebra
What value represents the horizontal translation from the graph of the parent function f(x) = x^2 to the graph of the function g(x) = (x – 4)^2 + 2?
asked on December 17, 2016 
science
I don't understand why as the steepness of a concentration gradient increases, the rate of diffusion increases as well. I would think it would decrease. I looked it up in google and read some articles but I still don't understand. can someone explain this
asked on October 17, 2009 
History
What is Marxism?
asked on September 4, 2007 
Maths
The hcf of 140 and x is 20. The lowest common multiple of 140 and x is 20. What is the value of x? Thank you.
asked on March 25, 2017 
algebra
what is the common ration of 2,12,18, and 27. What are the next three numbers in the sequence.
asked on February 6, 2011 
math
how do i do this. find the equation for the lines that are tangent and normal to the curve y= (square root of 2)(cosx)at the point (pi/4, 1)
asked on October 15, 2009 
math
how do i find the equaiton of the line tangent to the curve at the point defined by the given value of t. 1. x=t, y= the square root of t, t=1/4 2. x=sec^2t1, y= tan t, t= pi/4
asked on October 18, 2009 
math
how do i solve this? do i have to use both chain and product rule how do i do that? find the deriviative of y= sin^2(3x2)
asked on October 17, 2009 
Languages
I have an oral quiz tomorrow for Latin I in VLACS, but I don't know the questions that I will be asked. I'm on module 3. Did anyone take Latin I at VLACS? Please help. I need to know before tomorrow!
asked on May 31, 2017 
algebra
What value represents the vertical translation from the graph of the parent function f(x) = x^2 to the graph of the function g(x) = (x + 5)^2 + 3?
asked on December 17, 2016 
Math
For what real values of 2x^2+ax+25 the square of a binomial? If you find more than one, then list the values separated by commas.
asked on November 2, 2016 
Chemistry
For my lab, I have been asked to calculate the pKa of an unknown amino acid. We titrated the unknown amino acid with NaOH. The pKa needs to be calculated using the Henderson Hasselbach Equation. Obviously you can just get the pH from any point on the graph
asked on September 9, 2016 
Psychology
Apply two psychological principles to real life situations
asked on April 23, 2016 
chemistry
what quantity is measured by a spring weight
asked on September 15, 2018 
math
How many milligrams of a drug are in 500 g of a 25% Ointment?
asked on September 27, 2015 
Us history
What does this mean, "Franklin was to the United States as bacon was to England" please help thanks.
asked on May 8, 2013 
French
I think that you are hiding something in your stomachs. Je pense que vous cachiez quelque chose dans tes estomacs. ^did I use the subjunctive correctly?
asked on March 1, 2011 
French
Après ça, j’ai enseigné à mes amies tout l’information au sujet... I got points marked off for the agreement of tout (I wasn't sure if my teacher meant between je and tout, mes amies and tout or tout and l'information...which is it? And how can I
asked on February 28, 2011 
French
According to my teacher, I ommited a word between the vous and the attacherez, but I am not sure what. "Après ça, vous attachrez á l’épingle á ligne." I'm thinking maybe allez so it will read "after that, you are going to..." What do you think?
asked on February 28, 2011 
French
Is this how you make tout seul agree? Donc, j’ai créé les mammoths laineux touts seuls?
asked on February 28, 2011 
French
They linked their tusks romanticallyils était relier leurs défenses romantiquement. My teacher says this is wrong...what corrections would you suggest? Merci!
asked on February 28, 2011 
French
For nous, do you pluralize the adjective? For example "nous sommes bizarres?"
asked on February 25, 2011 
geology
what are the distinguishing characteristics between the two catergories of rocks? (igneous)
asked on October 8, 2009 
english
I have to write a 3 page essay on "Is Tradition a Neurosis?" Any ideas please?
asked on March 29, 2008

art
Audrey, thank you so much! I was very confused, and with your answers I got 100%!!!
posted on June 15, 2017 
Chemistry
Our professor said we have to use the equation to get the value though, that we shouldn't just pull it from the graph.
posted on September 10, 2016 
Psychology
i need on how to organize the essay
posted on April 23, 2016 
Psychology
i need help on how to organize the essay
posted on April 23, 2016 
Psychology
i need on how to organize the essay
posted on April 23, 2016 
Psychology
ok thanks
posted on April 23, 2016 
Psychology
Three lengthy pages
posted on April 23, 2016 
Psychology
would you like to add anything else?
posted on April 23, 2016 
Psychology
i want to emphasize on social norms..For example selfdeprecation,it becomes a social norm in their group and it breeds even more insecurity within the individual yet makes other members of the plastics feel slightly better about themselves."At least i
posted on April 23, 2016 
Psychology
the whole movie.
posted on April 23, 2016 
Psychology
The Mean Girls
posted on April 23, 2016 
Psychology
so can you help?
posted on April 23, 2016 
Psychology
yes
posted on April 23, 2016 
Psychology
The teacher also said you can also write about a movie you have watched and apply those principles
posted on April 23, 2016 
Psychology
i want to apply the principles to a movie
posted on April 23, 2016 
Psychology
social norms and emotion
posted on April 23, 2016 
Psychology
these are the psychological principles i am studying
posted on April 23, 2016 
Psychology
sensation,emotion,personality,social norms,culture,perception,neuroscience
posted on April 23, 2016 
Psychology
psychological,social
posted on April 23, 2016 
Math Help!
F(x)=1 if x > 1 1 if x < 1
posted on November 25, 2014 
Us history
What do u mean by that?
posted on May 8, 2013 
French
After that, you attach the clothespin.
posted on March 1, 2011 
Math
Ok, the answer is 386! Yay! However, I am not sure why the answer is not 385.... maybe because we had to add c(10,0) into the mix. Thanks so much for the help... I wouldn't have gotten the answer had it not been for your help!
posted on February 19, 2009 
Math
Hey, thanks! However, that answer was not right. Any other ideas? You seem to be on the right track... This problem really confuses me.
posted on February 19, 2009