Sunday
October 26, 2014

Posts by matt


Total # Posts: 1,886

Maths
Prove that a number 10^(3n+1) , where n is a positive integer, cannot be represented as the sum of two cubes of positive integers. thanx
July 15, 2009

Economics
Diminishing return is the stage of production which the increase in input should be stopped. But even in this stage, the employer can still hire a new person if the value of marginal product is above the wage rate. The rule is that P x MP= input price. If the wage rate ...
July 6, 2009

physics- response to bobpursley
which is false? Consider the following processes: I. Energy flows as heat from a hot object to a colder object II. Work is done on a system and an equivalent amount of energy is rejected as heat by the system III. Energy is absorbed as heat by a system and an equivalent amount...
June 24, 2009

physics
which is false? Consider the following processes: I. Energy flows as heat from a hot object to a colder object II. Work is done on a system and an equivalent amount of energy is rejected as heat by the system III. Energy is absorbed as heat by a system and an equivalent amount...
June 24, 2009

chemistry
The heat capacity of object B is twice that of object A. Initially A is at 300 K and B is at 450 K. They are placed in thermal contact and the combination is isolated. The final temperature of both objects is:
June 22, 2009

science
thank you very much for your help!! :) <3 <3
June 17, 2009

science
1) what is the mass of 10 cc of water? 2) why does a block of wood float on water? 3)how and why can density by used to identify an unknown substance? 4) describe the relationship between density, water, an d things that float please help me just need these answers to study ...
June 17, 2009

trig
It's in sigma notation, so I'm not sure how to type it. I'll just use E lol. Find each sum. 6 E (n+1)/(n+2) n=1 Is this a geometric or arithmetic series? That is pretty much all I really need to know. I appreciate all the help you guys give.
June 16, 2009

trig
I have no idea how to solve this problem. <A is in standard position on a unit circle. Point P (-1/2, -√3/2) is the point of intersection of its terminal side with the unit circle. Find the measure of <A in radians.
June 10, 2009

accounting
P 4-6 "University Physician Compensation" 

 Physicians practicing in eastern University's hospital have the following compensation agreement. Each doctor bills the patient (or Blue Cross Blue Shield) for his or her services. The doctor pays for all ...
June 10, 2009

accounting
House mortgage You have just purchased a house and have obtained a 30-year, $200,000 mortgage with an interest rate of 10 percent. Required: a. what is your annual payment? b. Assuming you bought the house on Jan. 1st, what is the principle balance after one year? c. After ...
June 10, 2009

accounting
Mr. Jones intends to retire in 20 years at the age of 65. As yet he has not provided for retirement income, and he wants to set up a periodic savings plan to do this. If he makes equal annual payments into a savings account that pays 4 percent interest per year, how large ...
June 10, 2009

Science
give 3 examples of pure science vs applied science
June 7, 2009

earth science
what is the greatest danger from volcanoes?? a. watery lava b. mud flows c. oxygen d. bulging of the earth's crust
June 6, 2009

civics I
once a bill is passed by congress and signed into law by the president can it be changed?
June 2, 2009

Language Arts
Lumberjack Beds now starts with a B. 6 letters long. 3rd letter is L and 5th letter is K. Last letter is probably S. Help?
June 1, 2009

Language Arts
Figured out who Helped the Cook = Choreboys, Now all I need is Lumberjack beds. Help?
June 1, 2009

Language Arts
Helped the Cook - 9 Letters, begins with C and ends in YS. Lumberjack Beds - 6 letters, 3rd letter is L and 5th letter is K, Maybe?
June 1, 2009

Language Arts
Need Help with a Camp Crossword Puzzle. Need to know Another word for Lumberjack Beds and Another word for Who Helped the Cook?
June 1, 2009

trig
I need to know how to graph y = sin 2(x - Pi/3) I need to have: Amplitude Period Phase Shift 5 critical points Help would be appreciated. Thanks.
May 28, 2009

Chemistry
The age of a rock can be estimated by measuring the amount of 40Ar trapped inside. The calculation is based on the fact that 40K decays to 40Ar by a first-order process. It also assumes that none of the 40Ar produced by the reaction has escaped from the rock since it was ...
May 21, 2009

trigonometry
It all makes sense now!!!! Thanks, haha.
May 19, 2009

trigonometry
But how do I know where cosine (or tangent and sine) are positive? I don't understand. Thanks for the help, btw.
May 19, 2009

trigonometry
Sorry, my mistake. It is arccos, not arcsin. Also, the negative in the book is exactly in the middle. The book just says evaluate the expression.
May 19, 2009

trigonometry
Evaluate the expression. arcsin (-1/2) Is there a rule I am missing? How do I know which quadrant the triangle belongs in? That is the only thing that is stopping me. Much help appreciated.
May 19, 2009

Algebra
y = (x - 4)^2-2
May 14, 2009

Calculus
Find the equation of the tangent line to the curve 2e^(xy) = x + y at (0,2)
May 14, 2009

history
a unified germany was built around the nucleus of the kingdom of?
May 9, 2009

trig
I do not understand these problems. :S I'd really appreciate the help. Use trigonometric identities to transform the left side of the equation into the right side. cot O sin O = cos O sin^2 O - cos^2O = 2sin^2 O -1 (tan O + cot O)/tan O = csc^2 O
April 27, 2009

5th grade
what can i write as an essay to convinse my teacher not to give me homework next week
April 23, 2009

english (Gulliver's Travel)
Or was it the allusion that influenced the readers?
April 19, 2009

english (Gulliver's Travel)
I know Gulliver dislikes his governement at home, but what traditions does he what to modify in the government? Also, how was he able to influence the reader? What techniques does the author uses to influence the reader? - Was it the satire?
April 19, 2009

Chemistry-PLEASE HELP!!!
Give a full balanced nuclear equation fro the synthesis of xenon-133. A full balanced nuclear equation includes α particles, β particles, positrons and gamma rays.
April 17, 2009

To: GuruBlue Please Read
So would the answer be: Benvolio?
April 14, 2009

Romeo and Juliet Quotation Help
I need help to know who said this quote. I don't have a textbook of the play, and I tried to search for it on google but it didn't help any. This is the quote "... most are busiest when they are most alone." Please help thanks.
April 14, 2009

Romeo and Juliet Quick Question
I'm doing a paper on act 5 of romeo and juliet does Capulet think Romeo killed Juliet
April 12, 2009

Romeo and Juliet HELP
What does I sell thee poison. Thou hast sold me none mean? I'm reading act 5 and I'm trying to understand what there saying. I tried to look it up on google but couldn't find anything. Please someone help me thanks.
April 10, 2009

math
what is the slope and y-intercept of the line 3x-2y=12?
April 7, 2009

O-Chem
What is EDTA exactly and why do we use it in lab setting? I researched but having a little hard time understanding the concept. thanks
April 7, 2009

Environmental Science
1. How are carbon emissions related to the carbon that accumulates in the atmosphere? 2.How is carbon absorption related to the carbon that accumulates in the atmosphere? 3.What happens to carbon in the atmosphere when carbon emissions are equal to carbon absorption? 4.What ...
April 4, 2009

8th grade
sing old mcdonald and push it over
April 1, 2009

English passage ques
thanks yes, that was what I was leaning towards but because nothing in a sounded wrong, I got confused
March 24, 2009

English passage ques
I have read this paragraph several times and cannot decide between two interpretations. Mr. Tulliver is the father who is afraid his daughter will become to upper class to be married off well. The question asks about the relationship between Maggie (daughter) and father (Mr. ...
March 24, 2009

Debating
I need to provide arguments that mining is not horrible for the environment. I'm trying to look for stories that explain positive effects of mining, or how they help the environment (even if indirectly or in a small way). This is just very hard to find. Thank you.
March 20, 2009

11th grade
What are the formal and functional regions of seattle washington???
March 16, 2009

Math
A translation has this rule:(x-5,y). Fill in the answers This translation is (how many) Units (in what direction) Answer:
March 11, 2009

History
If you are/were a teacher, or based on your experiences as a student, do you think its strange for a teacher to take off points on an essay for the word "very?" I see how it's overused, but it helps to differentiate the degree of something.
March 4, 2009

Math
total amount of rope:30x5=150 150 ÷3=50 50 YARDS OF ROPE is the answer
February 26, 2009

Science
How does the earth's tilt affects how directly light reaches different parts of the earth?
February 25, 2009

math
My homework is annoying every night. Well good luck to you! Thanks for the help!
February 17, 2009

math
Nice! So you do this for fun? Or do these people pay you?
February 17, 2009

math
Thanks! I thought I was correct to begin with! Are you a math teacher?
February 17, 2009

math
Thanks but someone else told me that the equation is suppose to be transferred to function form which is y = 4x - 7, and the possible x and y pairs would be (-1, -11) (0,-7) (1,-3. Which method is correct, or does the line have infinate solutions? Thanks!
February 17, 2009

math ordered pairs
Are these possible solutions? (2,1) (3,5) and (4,9)? Thanks for the help!
February 17, 2009

math
Three ordered pairs for 4x - y = 7
February 17, 2009

Physics
do the sum of the forces= mass x acceleration formula. so mgsin30-friction=ma. that means that mgsin30- mew(Normal)=ma mgsintheta-mew(mg)=ma the masses cancel out and the only variable youre left with is the coeffecient of friction
February 3, 2009

calculus
Use Newton's Law of Gravitation to compute the work W required to launch a 1500 kg satellite vertically to an orbit 800 km high. You may assume that the earth's mass is 5.98*10^24 kg and is concentrated at its center. Take the radius of the earth to be 6.37*10^6 m and ...
February 3, 2009

calculus
Use Newton's Law of Gravitation to compute the work W required to launch a 1500 kg satellite vertically to an orbit 800 km high. You may assume that the earth's mass is 5.98*10^24 kg and is concentrated at its center. Take the radius of the earth to be 6.37*10^6 m and ...
February 2, 2009

calculus
Find the numbers b such that the average value of f(x) on the interval [0, b] is equal to 9. f(x)=7+10x-3x^2
February 2, 2009

calculus
Use integrals to prove that the volume of a sphere of radius R is equal to (4/3)(pi)R^3
January 31, 2009

3rd grade
Would you capitalize (golden eagles) in this sentence? Do you recall the golden eagles in the forest?
January 28, 2009

math
He has somewhere between 180 and 198. Here's why. He has 3 albums. You know one album has 54. You know the other album as 72. 54+72 = 126 Now, we also know he has one more albume. The album has anywhere between 54 cards and 72 cards in it. 126 + 54 = 180 126 + 72 = 198 The...
January 26, 2009

Chemistry repost
A student determined that ethanol was the best solvent to use for a recrystallization based on small scale trials. When the recrystallization was carried out on a larger scale, no crystals were obtained on cooling the hot solution. Why? and how would you overcome this problem???
January 25, 2009

physics
This is a sum of torque problem. T(left) = F(board)*Distance from left + F(person)*Distance left + F(right)*Distance from left = 0 T(right) = F(board)*dist from right + F(person)*dist from right + F(left)*distance from right. In reality, we are summing clockwise torques with ...
January 20, 2009

CHEM URGENT!!
If a cube with edges of 1.000 cm weighs 25.68 g, what would the mass of a cube of the same material with sides 2.63 cm in length be?
January 16, 2009

math
The tread depth of the tires on your family's new car is 3/8 inch. you predict that, as a result of driving the car, the change in tire tread depth will be about -3/64 inch per year. A. write a variable expression for the tire tread depth after y years of driving. Use your...
January 7, 2009

9th grade
A buoyant girl ant
January 7, 2009

collage algebra 1
y=-2x+b Plug and chug 3=-2(4) 3=-8 -8 both sides -5=b equation is y=-2x-5
January 5, 2009

DR BOB???
x+3=4x?
January 5, 2009

Math
Dude thats easy mat 44 ? to -56 +56 will get you to zero and then you add 44. That's what??? 56 +44? Whats the answer?
January 5, 2009

work problem math
15 seats not sold. 1 % of walk in tickets. The theatre made $3187.5
January 5, 2009

math riddle
But hey tip..you should try solving the problems in order to get the answers so that you can solve the riddle. IF you go to shcool with just the riddle solved, you will not get full or perhaps any credit for your work, so better off trying to get help for the actual equations ...
January 5, 2009

math riddle
a quacker? maybe
January 5, 2009

math word problem
$705 dollars for the walk in tickets $528.75
January 5, 2009

ALGBERA
[SQRT(2x + 2)] - [SQRT(x - 3)] = 2
January 5, 2009

MRS SUE I NEED YOUR HELP
Okay I get x+3=4x ?
January 5, 2009

MRS SUE I NEED YOUR HELP
Cna you help me set it up please?
January 5, 2009

MRS SUE I NEED YOUR HELP
[SQRT(x + 3)] = 2[SQRT(x)]
January 5, 2009

math
Well 57/7 is??? 8.1 If you round it. IM just doing the math as far as what you wer doing up there
January 5, 2009

math
Hey I will most likely by able to help you with this but first 64-7 is not 63
January 5, 2009

EQUATIONS
CAn you solve for y?
January 5, 2009

EQUATIONS
9y2 + 16=0
January 5, 2009

3rd grade
No I probbally wouldnt. at most your probably have 25-30 students in your classrooms. SO the most is about 60 shows, 2 on each foot.. So maybe 100 would be a more reasonable number. Hope this helps.
January 5, 2009

Math
x+5>1 You subtract 1 from both sides
January 5, 2009

ALEgBRA 2
Give the domain (that is, possible values of x): 1. y= 2[SQRT(x - 1)] 2. y=-[SQRT(4 - 3x)] + 6
January 5, 2009

quote
Well it's inevitable that we will feel moments of sadness throughout our lives. However, those thoughts can in a sense fly through one ear and then out the other. However, those thoughts nesting in our hair can represent those thoughts staying permanetly, and over this we ...
January 5, 2009

ALGEBRA
Ok thank you for your help. Can you help me solve this equation? 9y2 + 16=0
January 5, 2009

ALGEBRA
Thank you What would be the answer C?
January 5, 2009

5th Grade-Fractions
a pizza is divided into 5 pieces...4 of the pieces are equal--the other piece is one/half the size of the other. what fraction of the pizza is the smallest piece?
January 5, 2009

Chemistry
Is Magnesium Oxide reactive? If it is, can you please explain how reactive it is? Thanks so much!
January 1, 2009

Literature
What is the inciting action of The Scarlet Letter?
December 28, 2008

economics
What is the rule of 30 and who came up with it? I can't find the answer to this question and was wondering if anyone knew what is was.
December 21, 2008

physics
A 1 kg object starts 3 meters from the ground on a 24 degree incline with a friction coefficient of 0.12. When it hits the ground, it collides and sticks to a 8 kg object. The coefficient friction on the horizontal surface is 0.24 How far do the objects travel away from the ...
December 21, 2008

physics
A 1 kg object starts 3 meters from the ground on a 24 degree incline with a friction coefficient of 0.12. When it hits the ground, it collides and sticks to a 8 kg object. The coefficient friction on the horizontal surface is 0.24 How far do the objects travel away from the ...
December 21, 2008

5th grade math
mule has 7 and donkey has 5
December 11, 2008

Accounting final
I have to decide whether these payments go under the land account or building account? I have a feeling neither of them go under the accounts, but just want to make sure. Fire insurance premium payment Asset write-up to proper value Thanks!
December 8, 2008

11th grade:AP Biology
This is concerning Ecology. Question: You turn on a light and observe!@#$%^&roaches scurrying to dark hiding places. What have you observed? A. taxis B. learned behavior C. migration D. visual communication E. operant conditioning I have already crossed out migration; however...
December 3, 2008

calculus
I think its 2-x^1, but I can't be sure as I learned it in precalculus.
December 2, 2008

History
The Battle of Trenton shows the Contintal troops demonstrating trustworthiness. what did the do?
November 30, 2008

calculus
Suppose the following about a certain object: I. The object's altitude is a function of time, represented by the function A(x) where here x is time. II. The temperature of the object is a function of its velocity, represented by the function T(x), where here x is the ...
November 26, 2008

Pages: <<Prev | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | Next>>

Search
Members