Wednesday
October 1, 2014

Posts by j


Total # Posts: 727

Calculus
I'm not understanding how you're getting tanTheta as x/20. Tan is opposite/adjacent is it not? Which would make it tanTheta = 15/20
March 30, 2010

physics
4.95 m
March 28, 2010

spanish
describe que llevas cuando estas en casa. como es diferente de la ropa que llevas a clases? can someone translate that for me?
March 22, 2010

economics
A New Hampshire resort offers year-around activities: in winter, skiing and other cold-weather activities; and in summer, golf, tennis, and hiking. The resort’s operating costs are essentially the same in winter and summer. Management charges higher nightly rates in the ...
March 21, 2010

accounting
sold 7500 shares of commond stick at $86 per share, received cash
March 19, 2010

College Physics
If you slam your finger in a car door how can you thank Coulomb's Law for the fact your finger wasn't chopped off? I don't understand.
March 14, 2010

Physics
If you slam your finger in a car door how can you thank Coulomb's Law for the fact your finger wasn't chopped off?
March 13, 2010

adult education
wtf
March 13, 2010

Physics
Come on! That's not the answer. There is something there that I am not getting why it would matter.
March 13, 2010

Physics
If you slam your finger in a car door how can you thank Coulomb's Law for the fact your finger wasn't chopped off?
March 13, 2010

MATH
13. 42 ft 14. 656 ft 15. 34 ft 16. 906 m
March 8, 2010

MATH
FOUND IT
March 4, 2010

MATH
i need to find the area
March 4, 2010

MATH
there is a triangle with a base of 2.4 m and both sides are 1.7 m. it is a right triangle. what the heck is the answer? i have an answer sheet and i know the answer is 41 but how do you get that answer?
March 4, 2010

Finance
An investment of $7,800 made March 31, 2001 pays $700 at the end of every six months for five years and pays $10,000 on March 31, 2006. What rate of interest was being earned every six months?
March 3, 2010

Math
How do you confirm this? 1500000 square miles to 7334000 square miles in six months is growing at about 22 square miles a minute.
February 25, 2010

physics
What factors directly affect how much air drag an object experiences?
February 21, 2010

geometry
Two angles are supplementary. They have measures of (7x+2) and (3x-2), respectively. What is the value of x?
February 18, 2010

CJS240
I have done that too, that is how I got the list that you gave me.
February 14, 2010

CJS240
I have looked at these sites and not finding anything here that is what i am looking for. For clarification, I am looking for how the juvenile justice system affects probation
February 14, 2010

CJS240
Need information on how probation can help in the rehabilitation of juveniles
February 14, 2010

college
400/50= 8 hours, now that I did your work for you 2nd grader, your welcome
February 11, 2010

science
is dilution of a solution the answer to acid or base pollution in this world? why?
February 10, 2010

chem
.070g caffeine dissolved in 4 mL water. caffeine is extracted from aqueous solution 3 times with 2mL portions of methylene chloride. calculate total amount of caffeine that can be extracted into the 3 portions. caffeine has a distribution coefficient of 4.6 between methylene ...
February 8, 2010

chem
.070g caffeine dissolved in 4 mL water. caffeine is extracted from aqueous solution 3 times with 2mL portions of methylene chloride. calculate total amount of caffeine that can be extracted into the 3 portions. caffeine has a distribution coefficient of 4.6 between methylene ...
February 8, 2010

algebra
a is a negative real number
February 7, 2010

chemistry
Using the volume 1.42mL of 95% ethyl alcohol that's required to dissolve 0.3g at 78 C, how do i find how much sulfanilamide that will remain in the mother liquor after the mixture is cooled to 0 C? (at 0 degrees=14mg/mL is the solubility) thanks
February 3, 2010

organ chem
Using the volume 1.42mL of 95% ethyl alcohol that's required to dissolve 0.3g at 78 C, how do i find how much sulfanilamide that will remain in the mother liquor after the mixture is cooled to 0 C? (at 0 degrees=14mg/mL is the solubility) thanks
February 3, 2010

SOC120
I am having much difficulty location information on Nigeria which is what I Chose. i cannot use wikipedia as this is not solid info
January 31, 2010

SOC120
• Compose a 200- to 300-word response to the following: • • Explain urban growth trends in the world’s poorest countries. What causes urbanization in poor countries? • • Choose a major city in a poor, developing country and research how ...
January 31, 2010

organ chem
Why is thymol only slightly soluble in water, but very soluble in 1.0 M NaOH?
January 31, 2010

english
gdf
January 31, 2010

math
Let g(x)=-x^2+4x+1 Find the following g(-1/x)
January 23, 2010

Math
1+1+1=3 cannot be written as a muliplication sentence because there is no equal groups. Do you agree? Explain.
January 21, 2010

spanish
what does it mean when it says... que clase de musica es la mas abburida? is that the type of music? like rock, or hip hop, or rap? that kind of question?
January 21, 2010

physics
A 1 kg block drops from a table and accelerates towards the floor at 10 m/s2. What is the force?
January 21, 2010

math
Are three collinear points are always also coplanar points.
January 20, 2010

english
He tends to worry people such as his mom, sister, and Sonia (Sofya). He also likes to make people think a lot such as Porifiry (spell check). That's all i can think of for now. I am also writing this essay haha
January 20, 2010

7th grade
(a+15)(a+7)
January 10, 2010

science
describe the relationship between an element's placement in the periodic table and the number of electrons in its outermost energy level
January 10, 2010

geometry
IF CIRCLE HAS 10 INCH DIAMETER HOW MANY INCHES ARE IN THE CIRCOMFERENCE?
December 27, 2009

psychology
The Outer Person
December 21, 2009

Persuasive Essay
why do you think so?
December 20, 2009

Persuasive Essay
what do you think about the new healthcare reform?
December 20, 2009

english
Should dying people be kept on life support?
December 19, 2009

culteral Diversity
a
December 19, 2009

marketing
timeliness in handling a customer's orders, questions a nd complaints is not important. true or false?
December 17, 2009

compose
if 3.85 L of carbon monoxide was collected over water at 25 degrees celsius and 689 mmHg how many grams of formic acid were consumed?
December 8, 2009

science
why is the angle of rays of sunlight so important in determining the amount of energy collected by the earth
December 7, 2009

math
An item regularly priced at is on sale at a discount of . What is the sale price of the item?
December 3, 2009

algebra
what would be the cost of something that is on sale for 40% off if the regular price is $180
November 30, 2009

chemistry 11
mrs. lawsons chem ll? tfox?
November 22, 2009

economics
How does the devaluation of a currency reduce or increase a trade deficit? Can you give a real world example?
November 20, 2009

Facility Planning
has anyone done a paper about hospital/clinic that is being renovated or needs re-construction?
November 14, 2009

social studies
according to maslow,our lowest or most fundemental needs and motives center around a:issues of esteem b:the need for love and belonging c:self-actualization d:physical needs
October 19, 2009

Physics
Help me anyone please
October 4, 2009

chemistry
Hydrochloric acid can be prepared using the reaction described by the chemical equation: 2 NaCl(s) + H2SO4(l) ----> 2 HCl(g) + Na2 SO4(s). How many grams of HCl can be prepared from 393 g of H2SO4 and 4.00 moles of NaCl?
September 30, 2009

Gr. 12 Data MAnagement
Don't know why, thats just what the back of the book says :s
September 23, 2009

Gr. 12 Data MAnagement
wrong its 210
September 23, 2009

algebra word problem
I still don't understand it
September 17, 2009

algebra word problem
find three consecutive positive numbers such that the product of the first and third minus the second, is 1 more than 6 times the third
September 17, 2009

science-chem
25 mL = .025 L, not .25L
September 17, 2009

science
Use kinematics to calculate the height for the firstball, which is Vf=0 a=9.8 t=1.5 because you take the total time it take to go up and come back down and divide it by 2. 3/2 = 1.5 getting an initial velocity of Voy= 14.7m/s V = t(9.8) = 1.5(9.8) = 14.7 This must have the ...
September 8, 2009

math
Train A and B are traveling in the same direction on parallel tracks. Train A is traveling at 60 mph and Train B is traveling 64 mph. Train A passes a station at 7:15 AM. If Train B passes the same station at 7:45 AM, at what time will Train B catch up to Train A?
August 28, 2009

calculus
Carbon-14 is a radioactive substance produced in the Earth's atmosphere and then absorbed by plants and animals on the surface of the earth. It has a half-life (the time it takes for half the amount of a sample to decay) of approximately 5730 years. Using this known piece ...
July 24, 2009

pre calc
Find a linear factorization of: f(x) = x^3 + 5x - 6. thanks.
June 17, 2009

chemistry
The oxidation reaction would be K yields K+ + e- (When adding the reduction-half and oxidation-half, the oxidation equation will be multiplied by 2.) Hope this helps.
June 1, 2009

Chemistry
You have to balance the charges of the ions in the compound. Fluorine has a charge of -1, so when magnesium replaces the iron (III), the new compound is MgF2. Now all that is left to do is balance the reaction. The sulfate group has a charge of -2, meaning lithium sulfate is ...
June 1, 2009

chemistry
An aqueous solution with a pH of 3.00 is diluted from 2.0 L to 4.0 L. Wht is the pH of the diluted solution?
May 5, 2009

6thgrade math
yes =}
April 29, 2009

com
Prepare a 1,050- to 1,750-word paper in which you analyze the ethical and legal aspects associated with harrassment, addressing the following topics in your paper: 1.Describe the current moral and ethical issues faced by managers involving your selected topic. 2.Explain how ...
April 27, 2009

math
You can tell this isn't a page dealing with English because no one here knows how to speak it properly.
March 30, 2009

Economics (MRS)
Aargh font didn't come out right. I meant MRS of U(x,y) = (xy)^0.5 (ie sqaure root of xy) and (x+y)^0.5.
March 19, 2009

Economics (MRS)
What is the marginal rate of substitution for U(x,y) = ãxy? ,ã(x+y)?
March 19, 2009

boy scouts
what is the meaning of life
March 7, 2009

Calculus
Evaluate the integral: sin^2(5x)cos^2(5x)dx
February 22, 2009

Calculus
How do I evaluate this integral: x^9cos(x^5)dx Hint: First make a substitution and then use integration by parts.
February 22, 2009

Chemistry
How do I prepare a solution of 0.0025M Fe3+ by dissolving the appropriate amount of ferric ammonium sulfate in 500 cm^3 of 0.0025M sulfuric acid?
February 22, 2009

biology
which objective of a compound microscope would show the largest feild of view
February 9, 2009

Math
How long after 7:30 are a clock's minute hand and hour hand 50 degrees apart? The answer is 17.3 minutes, but I don't know how to get it. Help!
January 11, 2009

Math
The half life of Uranium 230 is 20.8 days. How long would it take for 20% of Uranium 230 to decay?
January 11, 2009

Math
How long after 7:30 are a clock's minute hand and hour hand 50 degrees apart?
January 11, 2009

math
how would you find (4x + 3)squared
December 15, 2008

PHYSICS
A banked circular highway curve is designed for traffic moving at 60 km/h. The radius of the curve is 205 m. Traffic is moving along the highway at 40 km/h on a rainy day. What is the minimum coefficient of friction between tires and road that will allow cars to negotiate the ...
December 4, 2008

AP Physics
While two forces act on it, a particle is to move at the constant velocity v = (3 m/s) i - (4 m/s) j. One of the forces is F1 = (2 N) i + (- 6 N) j. What is the other force? ( _____ N) i + ( _____ N) j Only two horizontal forces act on a 3.0 kg body that can move over a ...
November 13, 2008

CHEMISTRY
I've been trying to do this problem but I would get confused and stuck.. Consider a sample of a hydrocarbon at 0.959 atm and 298 K. Upon combustion the entire sample in oxygen, you collect a mixture of gaseous carbon dioxide and water vapor at 1.51 atm and 375 K. This ...
November 7, 2008

Statistics
Question 1 Use the following research question and data for questions 1 - 6. A researcher is examining the effects of a computer-based training program designed to teach algebra. The researcher randomly selects subjects for two groups and gives one group the computer training ...
October 18, 2008

Math
WELLIT IS ABOUT WHEN THY WRITE TO ROUND TO THE NEAREST NUMBER THE HAVE TO SAY THOUSND MILLON OR TENS YOU LOOK AT THE NUMBER AND CIRCLE IT
October 14, 2008

physics
Why do we cross multiply. I though you multiply 100 x 5 then 75 x 5 and then divide and multiply by 100
October 14, 2008

Math check 3
(a+15)(a+7)
October 12, 2008

anatomy
what kind of cells would form a scar on the head after cancer had been removed.
October 5, 2008

chemistry
5.2*10^5
September 21, 2008

HCA 270 Appendix C
Im aslost as you
August 29, 2008

english
Which sentence is correct the one with or without the comma? In the beginning there was man. In the beginning, there was no man.
August 16, 2008

Physics
A force of 2.3 N is exerted on a 6.6 g rifle bullet. What is the bullet's acceleration
June 9, 2008

physics
ohh..sorry! It didn't turn out the way I typed it
May 5, 2008

physics
Calculate the energy released in the fusion reaction 2 3 4 1 1 H + 1 H->2 H +0 n. The atomic mass of 3 1 H (tritium is 3.016049 u. I am lost! help please!
May 5, 2008

physics
A sample of charcoal from an archaeological site contains 55 g of carbon and decays at a rate of .877 Bq. How old is it? ok I am totally lost, I don't know where to start
May 5, 2008

Physics
A sample of charcoal from an archaeological site contains 55 g of carbon and decays at a rate of .877 Bq. How old is it? ok I am totally lost, I don't know where to start
May 5, 2008

Physics
I don't know how to get the frequency, I think if I can figure that out I could get the rest, but I am not sure where the two 75 W come in and the 5% like where am I suppose to put them in any equation?
April 28, 2008

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