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February 7, 2016

Posts by aj

Total # Posts: 312

Math (easy question)
Given the function f(x) = 1/(sqrt x) a. Does f(x) exist at x=0? b. Does f'(x) exist at x=0? c. Explain why integral (from 0->1) f(x)dx does exist. THANK YOU.
July 23, 2010

chemistry
give 30 example of solute
July 20, 2010

chem
give 30 example of solute
July 20, 2010

math
Well if 1/5th of the girls and 1/8th of the boys when we put this as a whole fraction, we get 13/40th of the grade went to the camp. We do this by making both fractions have a common demoninator (bottom) then simply adding them to find fraction of boys and girls(all of the ...
June 8, 2010

home economics
what are the different brands of packaged soups?
June 6, 2010

Algebra
9x + 2 = 13 divided by 5
May 20, 2010

Physics
The type of watch is not specified in the question from my textbook but I think its traditional, self winding, mechanical dial
March 16, 2010

Physics
I think electrical changes to kinetic energy.
March 16, 2010

Physics
If you are wearing a watch, what energy changes are taking place in it right now?
March 16, 2010

science
do a quad genitic cross :-(
February 21, 2010

Science
What happens to an overhead power cable suspended from pylons in a)winter b)summer Explain your answer.
February 18, 2010

chemistry
nf=2 dont listen to the other bs
January 15, 2010

geo
what are the human activities in the innuitian mountains?
January 9, 2010

language arts
According to the author, _____.
December 17, 2009

8th grade
-5+(5)
October 20, 2009

science
explain how gravitational pull of the sun and inertia keep the earth in orbit around the sun?
October 6, 2009

Chemistry
Ok this is for a lab we are doing for equilibrium and absorbance and concentration, so i dont know if anyone can answer this. Question: Describe how you plan to determine the temperature dependence of K sub c. Use a step by step process.
September 23, 2009

Accounting
Explain the accounting purpose of each general ledger cycle
September 14, 2009

Algebra
Some inequalites will have no answer. You just have to show your work and put "No answer" :)
September 10, 2009

Math
Basically, when could you use what you learn in class in real life? (Like a bridge builder would use angles to be able to support the bridge) Like how could someone use this information in real life?
September 10, 2009

Math
How would you solve (a-2)/(a+3)=3/5 for a?
September 7, 2009

Math
Why thank you Mr. bobpursley! 8D
September 7, 2009

Math
How do you solve (1/x)=c+(1/b) for x?
September 7, 2009

MATH
FACTOR THE EXPRESSION COMPLETELY 9x^3 + 36x^2 - x - 4
September 3, 2009

Math
216
August 31, 2009

Chemistry
When salt is spread on snow covered roads at -2 deg C, the snow melts. When the same amount of salt is spread on snow covered roads at -30 deg C, nothing happens. Explain.
August 30, 2009

Chemistry
i got an i of 1.83 then i divided it by 2 to get a dissociation of 91.5% is this correct?
August 30, 2009

Chemistry
yeah -.34 is the change in temp freezing
August 30, 2009

Chemistry
The freezing point depression of a 0.100 molality solution of NaCl(aq) solution is 0.34 deg C. Calculate the % dissociation of NaCl(aq) (Kf for water = 1.86 deg Cm^-1)
August 30, 2009

Economics
Which of the following contains only positive statements, rather than normative statements? A. The unemployment rate is high mainly because companies are hiring immigrants to fill positions that would have been offered to natives. Companies should hire more native workers. B. ...
August 15, 2009

12 grade economics
describe four advantages of using price as an allocating mechanism?
July 14, 2009

economics
distinguish between the individual supply curve and the market supply curve
July 13, 2009

economics
describe the difference between the income effect and the substitution effect
July 13, 2009

economics
explain how the principle of diminishing marginal utility is related to the downward sloping demand curve?
July 13, 2009

5th grade
if a team is divided into 5 groups 1/2 , 1/6 , 1/6 , 1/12 , and 2 other people how many all together how many in each group
May 7, 2009

chemistry
How do you balance this redox rxn? Al + HNO3 ----> Al(NO3)3 + NH4NO3 +H2O
April 22, 2009

8th grade history
thanks a lot!!!
February 26, 2009

8th grade history
i need to do a 3 page paper on joan of arc's trial, but i don't know what information to put. can you please help me make a summary???
February 26, 2009

math
what is the geometric name for a figure with four sides
December 3, 2008

Pre-Algebra
Simpliby an expression (3(4))2
November 5, 2008

Chemistry
I need help with these two problems: 1.The H-Cl bond has a frequency of vibration of 8.662 multiplied by 10^13 Hz. What wavelength (in µm) corresponds to that frequency? -is the answer just (3.00x10^8 m*s)/(8.662x10^13 s^-1) 2.A flame has a characteristic color due to ...
November 4, 2008

Chemistry
I had to find the absolute zero from a graph with the following points: Temperature (K) / Volume (mL): 318 4.5 308 4.3 303 4.1 294 4.0 284 3.9 275 3.7 271 3.2 I graphed the points (with the temperature on the y-axis because the lab indicated a vertical temperature axis) and ...
October 30, 2008

Math
because the amount of desks are 4
October 14, 2008

math
what is missing
October 14, 2008

math
what two numbers equal 264 and 364?
October 14, 2008

english
I am doing a crossword puzzle the question i asked has 10 spaces
October 8, 2008

english
the sum of many parts that starts with a c and eands with an o and has an L in the middle
October 8, 2008

english
what is the answer to consisting of seprate interconnetced parts
October 8, 2008

english
what is the answer to consisting of seprate interconnectedparts?
October 8, 2008

english
the answer
October 8, 2008

english
the sum of many parts that starts with c
October 8, 2008

english
what is the sum of many parts?
October 8, 2008

Chemistry
What is the product of mixing solid AgCl in a solution of HCl? Is it just AgCl + HCl, or is it AgCl2 + H2 (ignoring balancing right now).
October 1, 2008

Cooking
LGANNVEEI AGTEN
September 9, 2008

Cooking
two
September 9, 2008

Cooking
Help to unscramble LGANNVEI AGTEN
September 9, 2008

psychology
Take one of the Emotional Intelligence tests at the sites listed below. Reflect on your results and explore ways that you might develop an enhanced emotional IQ. The sites below have informal self-administered surveys that introduce the concept of EI in an interesting and ...
August 15, 2008

statistics in automotive
what type of statistics are used in manufacture company's
August 6, 2008

health care
Type II error is based on false negative results, for example in a medical test to regard a person as healthy although in fact he or she is ill. Type I error is based on false positive results it is my understanding that usually both errors lead to wrong results.
July 30, 2008

health care
What is more important for the researcher to be concerned about in a study, Type I or Type II errors? Why?
July 30, 2008

Physical Chemistry
Let's say we are given 1.0 mol of an ideal gas, and we are given a starting temperature, and and initial pressure the gas exerts. We are now told that the gas expands adiabatically until it reaches some other pressure, p2. How do we calculate w and dH for this? P, V, and T...
March 26, 2008

8th grade astronamy- apparent magnetudes
whats the differences in magnitudes of the sun and sirius?
March 1, 2008

Math
Do the indicated addition. 3 + 4 + 8=15 right 7 12 15 17
March 1, 2008

Math
Ok I am confused I got two different answers on this.
March 1, 2008

Math
Can 89/13 151/11 or 223/23 be simplified? I think none of the 3 can be simplified
March 1, 2008

MATH
5. For the decimal 8.62354: What is the place value of 5? A) Hundredths B) Thousandths C) Ten-thousandths D) Hundred-thousandths Is it D
March 1, 2008

Math
thousands
March 1, 2008

Chemistry
How do you determine the type and number of each type of element in H2SO4?
February 18, 2008

vocabulary (sentences)
hi i need a sentence for partisan... please help
February 6, 2008

geometry
3a+30-12=75 you combine 30-12 and get: 3a+18=75 then you subtract 18 from both sides: 3a-18=75-18 and get: 3a=57 then divide both sides by 3 3a/3=57/3 a=19 So 'a' equals 19
February 4, 2008

Chemistry
In a car gas tank, 46.0 g of gasoline burns consuming 173 g of oxygen. The resultant products are carbon dioxide are carbon dixide and water. What is the total combined mass of the products? Would it be 173g - 46.0g = 127g
February 4, 2008

science
Bess filled a syringe with water and left it by the sink in the sunshine. Ten minutes later she saw a puddle of water under the syring tip so she thought it was broken, but it wasnt. What do you think caused the little puddle of water to appear under the syringe tip? It gave ...
February 4, 2008

Chemistry
How do you determine the type and number of each type of element in H2SO4?
February 3, 2008

Chemistry
In a car gas tank, 46.0 g of gasoline burns consuming 173 g of oxygen. The resultant products are carbon dioxide are carbon dixide and water. What is the total combined mass of the products? Would I just add 46.0g + 173g? I can't remember how to do it...
February 3, 2008

algebra
Emily wants to buy turquoise stones on her trip to New MExico to give to at least 4 of her friends. The gift shop sells stones for either $4 or $6 per stone. Emily has no more than $30. What are the system of inequalities so I could be able to graph them?
January 27, 2008

science- I need help!
For number one I means that air can take up different amount of space. For example, there will be more amount of air in a small balloon than in a bigger balloon. And for number 6, I meant something similar to 5.
January 23, 2008

science- I need help!
1. Well you cant see a gas, but you can feel it. 5. Air does take up space but not in the same amount. 6. Since air has no definite shape or volume, it does not take up the same amount of space. Like there would be more air in a party balloon than in a 35 mL syringe. Is all of...
January 23, 2008

spanish
How did the indegenous mix with the Europeans to develop the culture in Venezuela? The websites I found didn't really help me.
January 22, 2008

social studies
1st Amendment; freedom of religion Why is this amendment important to America? What are 2 examples of how the amendment protects the citizens?
December 17, 2007

science
Where does calcite come from?
October 30, 2007

Honors History
In the Boston Massacre, How did the colonists object to the presence of the soilders in Boston!
October 22, 2007

algebra 2 Equations and Inequalities
In 90% of the last 30 years, the rainfall at shell beach has varied no more than 6.5 of its mean value of 24 inches. Write and solve an absolute value inequality to describe the rainfall in the other 10% of the past 30 years. how do I do this problem and what is the answer?
September 17, 2007

algebra 2 Equations and Inequalities
In 90% of the last 30 years, the rainfall at shell beach has varied no more than 6.5 of its mean value of 24 inches. Write and solve an absolute value inequality to describe the rainfall in the other 10% of the past 30 years.
September 17, 2007

reading
I read the Themes and motifs and it ansered some of my questions regarding the theme and the antagonist. Johnny is fighting his illness, but i dont know whether the conflict is man vs. man or man vs. himself or any other one. The story is taking place in New YOrk, connecticut...
August 30, 2007

reading
Who is the antagonist in the book, Death Be Not Proud? Also, what type of conflict is it and what is the climax of the story? Is the climax when Johnny starts having a stiff neck and they discover he has a tumor in his brain? And what is the dialect of the book? I already had ...
August 30, 2007

reading
Thank you so much but these sites still dont help answer my questions.
August 30, 2007

reading
Also, what is the dialect of the stroy? Thank you!
August 30, 2007

reading
Who is the antagonist in the book, Death Be Not Proud? Also, what type of conflict is it and what is the climax of the story? Is the climax when Johnny starts having a stiff neck and they discover he has a tumor in his brain?
August 30, 2007

reading
Who is the antagonist in "The Face on the Milk Carton"? Also, what is the climax and what is the type of conflict. Please and thank you. Please check this site. http://en.wikipedia.org/wiki/The_Face_on_the_Milk_Carton Thank you for the site, but it still doesnt ...
August 3, 2007

geometry
The center of a circle is O. If m<ABO=20, what is arcACB? You need to provide or describe a figure to go with that question
July 8, 2007

geometery
If circle A has equation (x+2)^2+(y+2)^2=4, which point is in its exterior? The radius is 2, so any x or y greater than two from the center (-2,-2) will be outside
July 8, 2007

geometry
suppose the diameter of a circle is 20in. long and a chord is 16in. long. What is the distance from the center of the circle to the chord Draw a radius from the center to the end of the chord. THe draw a radius from the center perpendicular to the chord. You have a right ...
July 8, 2007

math
what is the opposite of square rooting? take the square root of 9. you get 3. so what do you have to do to 3 to get 9? square it
July 2, 2007

math
A lottery game advertises a jackpot of $41 million. The chances of a ticket having the winning numbers are 1 in 7.1 million. If Betty buys 10 lottery tickets, what are her chances of winning? Please help me. Thank you With ten tickets, the chances of winning are ten times ...
June 11, 2007

math
What is 1.9x10^27?
May 27, 2007

Science
A sample of water decomposes to make 4g of hydrogen gas and 32g of oxygen gas. What mass of water decomposed? How do you know? Hint: The water decomposes into ONLY hydrogen and oxygen, and the total mass does not change in the process. It's called the Law of Conservation ...
April 22, 2007

Science
The water in a beaker has a mass of 18g. Electricity is passed through the water for two hours. Afterward the water has a mass of only 16g. What happened to the missing mass? The water heated up due to the electrical current going through it, and some of it evaporated. This is...
April 22, 2007

chem. Combined Gas laws
v2=p1v1t2 p2t1 v2=(2.3atm)(17L)(300K) (1.5atm)(299K) v2=11,730 448.5 v2=26.16
April 16, 2007

International Business
For many global companies, China represents a very attractive market in terms of size and growth rate. Yet, it ranks lower in terms of economic freedom and higher in political risk than other country markets because it has a communist government. Despite these risks, ...
March 7, 2007

Chemistry
Does fission store or create energy. I think it creates it... can you help me with my math please? If atoms fission, energy is emitted in the process.
March 3, 2007

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