Thursday
February 11, 2016

Posts by cynthia

Total # Posts: 552

chemistry
the atomic number of oxygen is 8. How many protons, neutrons and electrons are in an oxygen icon with a charge of -2 and a mass number of 17?
January 27, 2008

algebra
kyle's credit bill is $360. kyle sends a check to the credit card company for $70, charges another $109 in merchandise, and then pays off another $231 of the bill. how much does kyle owe the company?
January 23, 2008

English
What is the theme of of Design by Robert Frost?
December 16, 2007

health
1. What organ is the master controller for directing "amino aciduse(it's not a muscle)? 2. What is meant by the term "amino acid pool" and amino acid turnover"
November 14, 2007

Math
How do i tranfer formulas?
November 13, 2007

science
I've got two questions which I do not understand... a)In the early 1920's, shortly after world war I, smoking became fashionable for men. Why did lung cancer rates not increase until the 1950's? &... b)Suggest a reason why no comparable increase in lung cancer in ...
November 11, 2007

health
What are some common items that use lactose as a filler or as a flavoring agent
November 8, 2007

please help solve algebra problem
subtract 4x/x-8-32/x-8
October 19, 2007

history
thanks
October 2, 2007

history
i need some finding a website for this assignment. I have to do a presentation on these points. Explain how the U.S became involved in the politics of Southeasr Asia. Explain how this involvement impacted the U.S political climate of the 1950s.
October 2, 2007

algebra 2
help multiply (x/3+3/4)(3x/4-3/5)
September 29, 2007

algebra 2
find the value of this polynomials for the given values of the variable. -x^2-5x-6, x=-3 and x=-2
September 28, 2007

algebra 2
(y^5)^3(y^3)^2/(y^4)^4
September 28, 2007

Algebra 1
Rewrite the equation y = –3x + 5 as a function of x.
September 20, 2007

Algebra 1
I appreciate your help I did it right
September 17, 2007

Algebra 1
Write the equation of the line with slope 4 and y-intercept (0,-5).Then graph the line.
September 17, 2007

Algebra 1
Solve the system by addition. 5x-3y=13 4x-3y=11
September 13, 2007

Algebra 1
Determine which two equations represent perpendicular lines. a)y=5/3 b)y=5x-5/3 c)y=-1/5x+5/3 d)y=1/5x-5/3 I have worked on this equation for two days.
September 8, 2007

Algebra 1
Thanks so much
September 8, 2007

Algebra 1
Find the slope. -2x-9y=-29 Can you please work it out for me so I will know how to do the next one.
September 8, 2007

Algebra 1
Thanks
September 7, 2007

Algebra 1
Determine which two equations represent perpendicular lines. a).y=5/3x-5 b).y=5x-5/3 c).y=-1/5x+5/3 d).y=1/5x-5/3
September 7, 2007

Algebra 1
Thank you I got the answer right.
September 6, 2007

Algebra 1
sorry I am having computer issues.
September 6, 2007

Algebra 1
find the slope and the y-intercept. y=-5x+3.
September 6, 2007

Algebra 1
14.Find the slope and the y-intercept. y = –5x + 3 Find the slope. –2x – 9y = –29
September 6, 2007

Algebra 1
THANKS FOR YOUR HELP.
September 6, 2007

Algebra 1
Find the slope of the line passing through the points (–2, 6) and (6,-10).
September 6, 2007

Algebra 1
An employee who produces x units per hour earns an hourly wage of y=0.70x+11 (in dollars). Find the hourly wage for an employee who produces 2 units per hour.
September 6, 2007

Algebra 1
solve each following system by substitution. 4x-12y=5 -x+3y=-1
September 2, 2007

Algebra 1
Thanks
September 2, 2007

Algebra 1
solve each following system by substitution 4x-12y=5 -x+3y=-1
September 2, 2007

Algebra 1
Evaluate each functions for the value specified. f(x)=x2-7x+10;find (a)f(0),(b)f(5),(c)f(-2).
September 1, 2007

Algebra 1
Complete the ordered pairs for the equation 2x+y=10.(5, ),( ,10),( ,-2), (0, )
August 31, 2007

Algebra 1
Write the equation of the line with slope -2 and y-intercept (0,0).Then graph the line.
August 31, 2007

Math(Geometry)
I'm SOOO glad I found this site (: I was like going crazy trying to figure these questions out. ahaa. Thanks to all these people who posted the right answers (:
August 22, 2007

Algebra II
quadratic equations Solve: 2x^2-5x=3 2x^2 -5x -3 = 0 (2x + 1)(x -3) = 0 x = -1/2 or 3
August 10, 2007

English
Can you help me understand what 'iambic pentameter' clearly is? Thank you for using the Jiskha Homework Help Forum. Here are some explanations for you: 1. http://en.wikipedia.org/wiki/Iambic_pentameter 2. http://www.answers.com/topic/iambic-pentameter 3. http://www....
June 16, 2007

science
Is a gelatin dessert a solution, a suspension or a colloid? I think it is a suspension. Thanks you. The ingredients of gelatin are completely soluble in water and the end product is clear and transparent. It is a solution, in my opinion.
June 10, 2007

chemistry...weird question
on heatin, 0.02mol of the element M reacts with 0.025mol of oxygen gas. What is the empirical formula of the oxide of M? The mole ratio is .025/.02=1.25 or 5/4 So the O2 has a ratio of 5 to one Metal. M4 (O2)5= M>sub>4O10 or writing it in lowest whole numbers M2O5 why&#...
May 29, 2007

Ethincs
Describe other measurements sociologists use to calculate prejudice. Look at the post by melody below. Same question.
May 25, 2007

science
what steps can be taken by rwanda to reduce degradetion and deforestation (Broken Link Removed) I dont know what you mean by degradetion, but deforestation, the way to reduce it is to control the forests: who is there, who does what, and when. I frankly doubt if Rwanda has the...
May 20, 2007

English
Please help me! I need the title of a book thats subject is based on ignorance and another on choice or making a decision. Harper Lee's To Kill a Mockingbird will fit both criteria in certain ways. A more recent book along similar lines is Grisham's A Time to Kill. ...
April 29, 2007

english
Life is full of choices, so I must learn to make good ones. What is your question about this sentence? More on identifying verbs? If so, there are three of them. Tell us what you think, and we'll give you feedback. ?? Cynthia, that is an excellent idea, but we don't ...
April 19, 2007

english
I am looking for all VERBS both "Action" and "Be" verbs identified in the sentence. In 1999, I went to Disney World for vacation. There is one verb in that sentence. Which word do you think it is? ??
April 19, 2007

Chemistry
Using the following information, identify the strong electrolyte whose general formula is Mx(A)y * zH2O Ignore the effect of interionic attractions in the solution. a. A"-is a common oxyanion. When 30.0 mg of the anhydrous sodium salt containing this oxyanion (Na,,A, ...
March 29, 2007

math
C.
March 17, 2007

physical science
i have 25 examination quesions i need answered. can you help me? We can help you with some of them if you post them individually and show your own work or thoughts. We don't do exams for you here.
March 9, 2007

Math
Can someone please help me with this? I don't know how to simplify this. 7m^7n^4/8m divided by 9m^2n^9/5n^2 Put all your m's together,all your n's togehter and then it will continue getting simplified!hopE THAT HELPS! is this correct? 16m^9n^13/40mn^2
November 5, 2006

Math
What's the slop of the line whose equation is 8y = 7 - 2y? the slope would be zero. if you add '2y' to the other side, then your equation will be 10y=7. If you divide 10 on both sides, the new equation will be y=7/10. That will be a straight line, so the slope will...
November 5, 2006

Math
What's the slop of the line whose equation is 87 = 7 - 2y? This is similar to the other one where i posted. You subtract 7 from both sides so the equation will be 80= -2y. Then divide both sides by -2, and the equation will be y=-40. This is a straight line so the slope is...
November 5, 2006

spelling
what are some antonyms for pallor For synonyms and antonyms for all words, try these websites: www.thesaurus.com www.dictionary.com www.yourdictionary.com www.onelook.com www.answers.com =)
September 12, 2006

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