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September 17, 2014

Posts by brian


Total # Posts: 592

statistics
1000 significance tests are performed using alpha = .05. Assumimg that all null hypotheses are true, about how many of the test results would you expect to be statistically significant?
October 11, 2008

Chemistry
A solution was prepared by adding 15mL of 0.129 M KI, 5mL of 0.1 M Na2S2O3, 1mL of starch solution, and 15mL of 0.125 M (NH4)2S2O8. Calculate the concentration of (M) of I in the final mixture before the chemical reaction.
October 3, 2008

nonfiction
actually 20 is b naadyia had the right answers sorry dee
October 1, 2008

math
when might you think you're built upside down?
September 24, 2008

math 2nd grade
circle the action verbs on the certificate. Then write them on the lines provided below the certificate. good work! lin won on field Day because she: runs very fast jump very high climps very high works very hard
September 9, 2008

precalculus
I need help with writing the quotient of this complex number in standard form: (1 + 4i)/(5 - 12i)
August 16, 2008

Math
how would i go about finding the domain of the function f(x)=(3x+1)/(sqrt(x^2+x-2)) and both the domain and range of g(x)=(5x-3)/(2x+1)
August 7, 2008

uop
what is the leader/managers treatment of internal staeholders?
July 29, 2008

Algebra
Not 1:30 its 1:25
July 27, 2008

Math
How do i find the prime factorization of 225?
July 16, 2008

Math (Check problem
Subtract and Simpfly 2) 2/3 - 1/2 my answear: 1/6
July 16, 2008

Math (Check problem
Add the fractions 1) 3/4 + 1/24 my answear: 19/24 i think the lcm is 24. 4X6=24 and 1X24=24
July 16, 2008

Math
subtract and simplify. 7/9 - 7/27
July 13, 2008

R.E
What is a puja tray
May 22, 2008

science
What are the 4 nuclotides found in DNA?
April 10, 2008

english
What are the 4 nucleotides found in DNA?
April 10, 2008

Accounting
Sorry guys. That part is supposed to say 400 lamps, not 400 sofas.
April 6, 2008

Accounting
Sherman's interiors sells lamps. At March 31, the company had 400 sofas in inventory. The company's policy is to maintain a lamp inventory equal to 2% of next month's sales. The company expects the following sales activity for the second quarter of the year: April...
April 6, 2008

Geometry HOMEWORK HELP ME PLEASE!
Draw the triangle with vertices D(-2,1), U(4,9), and E(10,1) On a Graph. 2. Find DU, UE, AND DE. (Distance) 3. Classify Triangle DUE by its sides. 4. Write the standard form of the equation of each line: DU, UE, and DE.Also, find the slode and then the y-intercept. Start with ...
March 20, 2008

toxicology- can someone re work this question?
Hi, I have to answer this question "why do we say that metabolism is the factor that most accounts for differences among species in the toxicity of some xenobiotics? I dont understand what the question means- I understand all the words in the question, but I am confused ...
February 20, 2008

Algebra 2
Operations with Complex Numbers Simplify. 1. sqrt(-144) 2. sqrt(-64x^4) 3. sqrt(-13)*sqrt(-26) 4. (-2i)(-6i)(4i) 5. i13 6. i38 7. (5 – 2i) + (4 + 4i) 8. (3 – 4i) – (1 – 4i) 9. (3 + 4i)(3 – 4i) 10. (6 – 2i)(1 + i) 11. (4i)/(3+i) 12. (10+i)/(4-i) 13...
February 8, 2008

investing
Assuming there would be rent paid or a mortgage, the budget would be tight. I would accumulate some short term saving in a FDIC insured saving account. That money would help to ease the paid should you end up being between jobs. Don't put the saving into a free checking ...
February 4, 2008

math b1
what is the square root of -18 - the square root of -8
January 3, 2008

Career Search
where can i find information in career field of mobile electronics?
December 17, 2007

biolagy
in some ways, a cell is analogous to a factory. create an analogy describing the job of a lysosome within a cellular "factory"
November 28, 2007

CHEM121
Also remember that the bond angles are at 120 degrees. and a hybridization of sp^2
November 26, 2007

math mesurment
HOW MANY MILLIMETERS IN ONE METER
November 26, 2007

Physics
How is intensity related to amplitude?
November 19, 2007

English
What is the best way to start a persnal narrative essay
November 6, 2007

English
What is the best wat to write a personal narrative
November 6, 2007

Physics
using uniform acceleration, how can I find the displacement of an object?
October 21, 2007

Physics
do you do high school physics
October 21, 2007

Mechanics Edit
In order to find the equilibrium equations in polar coordinates. Page 2 of: (soest.hawaii.edu/martel/Courses/GG703/GG711c_Lec_10.pdf) Do you have to use the Taylor expansion to get from 10.4 to 10.5? Also, how is this equation altered if there are shear stresses? ps. Add w ww...
September 30, 2007

Mechanics
In order to find the equilibrium equations in polar coordinates. Page 2 of: (soest.hawaii.edu/martel/Courses/GG703/GG711c_Lec_10.pdf) Do you have to use the Taylor expansion to get from 10.4 to 10.5? Also, how is this equation altered if there are shear stresses?
September 30, 2007

Mechanics
How do you dereive equilibrium equations for a 2-D pi/3 section of a circle in polar coords? There are stresses & shears. (Eight total, one stress & one shear on each side)
September 29, 2007

Language
Is the word CRIME in the following sentence a noun? Stealing is a crime.
September 19, 2007

Math (Finance)
What is the purpose of the post-closing trial balance? Explain where the information for the post-closing trial balance comes from.
September 11, 2007

Math (Finance)
What is the purpose of closing entries?
September 11, 2007

Math (Finance)
The analysis process for preparing adjusting entries involves two basic steps. Identify the two steps and explain why both are necessary.
September 11, 2007

Math (Finance)
Why are adjusting entries necessary?
September 11, 2007

Math (Finance)
The company used $45,000 in cash to purchase land on the west side of Hatu Lake. a. List the accounts impacted by the transaction. b. For each account, indicate whether the transaction increased or decreased the account. c. For each account, indicate how much the transaction ...
September 11, 2007

Math (Finance)
The company borrowed $125,000 in cash from Far West Bank. a. List the accounts impacted by the transaction. b. For each account, indicate whether the transaction increased or decreased the account. c. For each account, indicate how much the transaction increased or decreased ...
September 11, 2007

Math (Finance)
What are generally accepted accounting principles (GAAP)? Who currently develops and issues GAAP? What is the purpose of GAAP?
September 11, 2007

Math (Finance)
Why is accounting often referred to as the “language of business”?
September 11, 2007

Finance
1. What is the interrelationship among the four financial statements? What methods are used to analyze an organization's financial condition?
August 29, 2007

Honor English
Hi, I am required to connect "The Catcher in the Rye", "The Grapes of Wrath", "The Scarlet Letter", and "The Adventures of Huckleberry Finn" together via concept map. Before I attempt to do so, I could use some help identifying the key ...
August 18, 2007

MATH
why is a bell the most obiedient thing in the world? why is a bell the most obiedient thing in the world? I doubt if that is true. Anyway, what does your question have to do with math?
July 8, 2007

Math
Sarah has $480 in her savings account earning 4/1/4% interest. How much interest will she earn in 2/1/2 years? How much money will be in the account after 2/1/2 years? First year -- $480 x .0425 = $20.40 ..................$480 + 20.40 = $500.40 Second year -- $500.40 x .0425...
June 15, 2007

Help from The Economyst
I had no idea help existed for this type of problems. thanks
June 10, 2007

math
Charges of −4q are fixed to diagonally opposite corners of a square. A charge of + 5q is fixed to one of the remaining corners, and a charge of + 3q is fixed to the last corner. Assuming that ten electric field lines emerge from the + 5q charge, sketch the field lines ...
June 3, 2007

Algerbra 1
The Quotient of 6 times a number and 16 ? "Quotient" is what we call the result of a division, the result of multiplication is called a product. You used the word "times" which shows multiplication. BTW, I refuse to tell you what 6 times 16 is.
April 25, 2007

Math
n=4xp-6/2
March 14, 2007

TR Roosevelt and Tadasu Hayashi
Theodore Roosevelt was the prime mover in bringing Russia and Japan to the negotiating table at the end of the Russo Japanese war and he was, later, awarded a Nobel peace prize for his efforts. He would, almost certainly, have been in touch, or met, with Hayashi Tadusu who was...
February 26, 2007

science
how do you magnetize something made of iron cobalt and nickel
February 21, 2007

English Lit- Judith Wright
Does anyone have any information/websites on the poem 'Mirror at the Fun Fair' by Australian poet Judith Wright? Or info on any of her poems. Thanks! http://www.google.com/search?q=judith+wright&rls=com.microsoft:en-us:IE-SearchBox&ie=UTF-8&oe=UTF-8&sourceid=ie7&rlz=...
February 19, 2007

egypt mummification
Yea im in 7th grade and its a hard packet im working on!
February 8, 2007

science
how is grass better than people grass is better than people because we need the grass to survive. The grass gives off oxygen allowing us to breathe.
February 7, 2007

math (conversion)
show the process of a conversion of 1 furlong/1 fortnight to meters per second
February 6, 2007

mdu
3 to 4 questions that would lead to the country jamaica We are not going to do your homework for you. Find about Jamaica, and make the questions up You could ask -- The capital of this country is _________ Its location is ____latitude and _____ longitude. You can find many ...
January 31, 2007

science
A shell is shot with an inital velocity of 20m/s at an angle 60 degrees with the horizontal. At the top of the trajectory, the shell explodes into two fragments of equal mass. One fragment whose speed is immediately after the explosion zero falls vertically. How far from the ...
January 30, 2007

Physics... Please help me
A shell is shot with an inital velocity of 20m/s at an angle 60 degrees with the horizontal. At the top of the trajectory, the shell explodes into two fragments of equal mass. One fragment whose speed is immediately after the explosion zero falls vertically. How far from the ...
January 30, 2007

Physics... Please help me
A shell is shot with an inital velocity of 20m/s at an angle 60 degrees with the horizontal. At the top of the trajectory, the shell explodes into two fragments of equal mass. One fragment whose speed is immediately after the explosion zero falls vertically. How far from the ...
January 30, 2007

Physics
A 0.165kg cue ball with an inital speed of 2 m/s bounces off the rail in a game of pool. For x and y axses located the counce reverses the y component of the ball's velocity but does not alter the x component(the angle is 30 in the negative x axis and it bounces across the...
January 30, 2007

Physics
A 75 kg man on a 39kg cart traveling at a speed of 2.3 m/s. He jumps off with zero horizontal speed realative to the ground. What is the resulting change in the speed of the cart? I tried using m1v1=m2v2 but that didn't work out since I was expose to get 4.4 m/s as the ...
January 30, 2007

calc
Verify that the function satisfies the three hypotheses of Rolle's Therorem on the given interval. Then find all numbers c that satisfy the conclusiton of Rolle's Theorem. f(x)= x*sqrt(x+6) [-6,0] f is continuous and differential f(-6) =-6*sqrt(-6+6) =0 f(0)=0 f(x) = ...
January 18, 2007

Calc
y=ln(x+1) +ln(x-1) find dy/dx I have trouble with this problem since i'm not that familar with finding the derivative when they involve ln. Please show me how to solve this problem. I should have gotten 2x/(x^2-1) The derivative of ln(x) is 1/x So, you obtain dy/dx = 1/(x+...
January 18, 2007

calc
y=ln(x+1) +ln(x-1) find dy/dx I have trouble with this problem since i'm not that familar with finding the derivative when they involve ln. Please show me how to solve this problem. I should have gotten 2x/(x^2-1)
January 17, 2007

physics
Approximately 5.5 X10^6 kg of water fall 50m over Niagara Falls each second. a) What is the decrease in the gravitational potential energy of the water-Earth system each second? b) If all this energy could be converted to electrical energy (can’t happen) at what rate ...
January 11, 2007

physics
A block is moving down an incline a distance of 5 m form point A to point B by a force F that is parallel to the incline and has magnitude 2 N. The magnitude of the frictional force acting on the block is 10 N. If the kinetic energy of the block increases by 35 J between A and...
January 10, 2007

physics
During a rockslide, a 520kg rock slides from rest down a hillside that is 500m long and 300m high. The coefficient of kinetic energy between the rock and the hill surface is .25. a) If the GPE energy U of the rock –Earth system is zero at the bottom of the hill, what is ...
January 10, 2007

physics
Approximately 5.5 X10^6 kg of water fall 50m over Niagara Falls each second. a) What is the decrease in the gravitational potential energy of the water-Earth system each second? b) If all this energy could be converted to electrical energy (can’t happen) at what rate ...
January 10, 2007

sentences
what if anything,is wrong with the following sentences? Carmen is tall, slender,and a woman of great beauty. Nothing is wrong with it that I can see. It is one sentence, so you should have ended the previous question with "sentence", not the plural. Writeacher should...
December 22, 2006

history
how would great Britain be affected if Americans closed their ports to the British ?
December 19, 2006

calc
Find the critical number(s) of f(x)= abs(2x-4) What is the derivative of abs(2x-4)? Is it abs(2)? No. You have to specify the domain of x. At x=2, this function has no derivative. At x>2, f' = d (2x -4)/dx= 2 at x <2, f'= d(4-2x)/dx= -2 You have to watch for ...
December 17, 2006

simplest form
10/12
December 11, 2006

physics
A crate slides down an incline right angled trough. The coefficient of kinetic friction between the crate and the trought is mew_k(not sure if i spelt it right). What is the acceleration of the crate in terms of mew_k theda and g? I think I need to use F=ma and then to find a ...
November 28, 2006

physics
On an incline plane (raised to 30 degrees) is a block A which has a mass of 10 kg. It is attached to a string which goes through a frictionless massless pulley. attached to the other end of the string is an other Block B. The coefficient of kinetic friction between the mass ...
November 28, 2006

Science (Chemistry)
Can someone explain why the ratio of magnesium ions to chloride ions in MgCl2 is 1 :2 Mg is in group IIA and has two electrons in its outside shell. Cl is in group VIIA and has seven electrons in its outside shell. Mg wants to lose two electrons; Cl wants to gain one electron...
November 15, 2006

Drug Abuse and Addiction
I need research sources for drug abuse and addiction. Thank you. Check these sources -- http://www.nida.nih.gov/ http://teens.drugabuse.gov/ (Broken Link Removed) http://www.drugabusestatistics.samhsa.gov/ http://www.mayoclinic.com/health/drug-addiction/DS00183 http://www....
November 12, 2006

Chemistry
Which element listed should have chemical properties similar to fluorine (F) A.Li B.Si C.Br D.Ne Br, along with F, a halogen (column 7 of the periodic table) Look at the periodic table. The columns are called groups. Elements in the same group have similar chemical properties.
November 9, 2006

History
Can you please give me a website where I can find information on Thomas Nast? http://en.wikipedia.org/wiki/Thomas_Nast WHAT KINDS OF CHANGES DID CHURCH CRITICS WANT TO MAKE? WHAT ROLE DID MARTIN LUTHER PLAY IN THE REFORMATION WHY DID LUTHER'S IDEAS LEAD TO WAR? LUTHER ...
November 4, 2006

Algebra 2
An Amtrak heading toward Boston at 90 miles per hour would go how far in eight and ahalf hours? asl? 17/M/MD Why?? 90 mi/hr x 8.5 hrs = ?? 765miles go to this site and sign up then add me as a friend:grab . com Mira_Me_Bien is my sn right. Note that in my equation the mi/hr x ...
November 1, 2006

chemistry
is the following sentence true or false? Mendeleev used his periodic table to predict the properties of undiscoverd elements.. True: Mendeleev used his periodic table to predict the properties of a undiscoverd element.
October 31, 2006

Fair and Impartial Jury?
Hello, I have a question on a study guide that I am not sure of the answer to: In a criminal case, does a defendant has the constitutional right to a fair and impartial jury? My instinct is to say yes, however, I looked at the 6th ammendement which states: "In all ...
October 28, 2006

horizontal asymptotes
find the HAs of y = (x-9) / sqr(4x^2 + 3x+ 2) What happens to y as x goes to +/- infinity? Specifically, is y approaching some limit from above or below? ?? I see your question was to just find the horizontal asymptotes and not to evaluate the function's approach to them. ...
September 27, 2006

calc
need to find: lim as x -> 0 of 4(e^2x - 1) / (e^x -1) Try splitting the limit for the numerator and denominator lim lim x->0 4(e^2x-1) (4)x->0 (e^2x-1) ______________ = ________________ lim lim x->0 e^X-1 x->0 e^x-1 Next solve for lim x->0 and simplify
September 26, 2006

chemistry
Consider the following balanced equation: 2 Na + 2 H2O ? 2 NaOH + H2 If 92.0 g of sodium reacts with 76.0 g of water until completion, which reactant will remain, and in what quantity?
September 24, 2006

chemistry
how many grams of H2 (g) are produced by the reaction of 1.35 g Al with 75.0 mL of 3.44 M HCl Here is the way to do most of these stoichiometry/limiting reagent type problems. Step 1. Write a balanced chemical equation. 2Al + 6HCl ==? 3H2 + 2AlCl3 Step 2. Convert what you have...
September 24, 2006

geometry
Point P is on the number number line. The distance between O and P is four times the distance between P and 30. What is the sum of two possible values of P? What are two possibilities for the coordinates? Let me make sure I understand what's asked. "Point P is on the ...
September 7, 2006

math
what are intregars? how do they work
August 17, 2006

Help on finance
Donna and Sherman Terrel are preparing a budget for 2003. Donna is a systems analyst with an airplane manufacturer, and Sherman is working on a master's degree in educational psychology. The Terrels do not have any children or other dependents. Donna estimates her salary ...
June 11, 2006

biology
DIE!
August 16, 2005

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