Saturday
February 13, 2016

# Posts by nick

Total # Posts: 1,211

Math(solving a quadratic by factoring)
I see, thanks a lot.
March 4, 2008

Math(solving a quadratic by factoring)
These simple ones kill me: 16y^2=49 Thanks
March 4, 2008

Math(solving a quadratic by factoring)
Woo! Thanks a lot DrBob.
March 3, 2008

Math(solving a quadratic by factoring)
Ok I get most of the problems except for these last two. x^2-16=0 and x^2=36 I seem to have trouble with the simplest of problems and none at all with the hard ones.
March 3, 2008

Math(factoring)
Incredible. Thanks you two, you really helped me.
February 29, 2008

Math(factoring)
Wow, thanks, now there is one more type I am stuck on and it is: 6y^2-24
February 29, 2008

Math(factoring)
I need help with factoring trinomials completely. My teacher's example is: 2x^2-12x+18 2(x^2-6x+9) 2(x-3)(x-3) I need help with: 6x^2-26x-20 I just can't get this stuff so if you can please help me I'd greatly appreciate it.
February 29, 2008

science =)
THANK YOU SOO MUCH!
February 25, 2008

science =)
How do the local schools contribute to the weather forecast? thx a lot!!
February 25, 2008

accounting
how do you find retained earnings when. retained earnings, 245,200 net decrease in total assets, 37,400 net increase in A.R. 8,600 dividends declared and paid 33,600 proceeds from issuance of bonds 88,400 net loss for the year ended 23,00
February 24, 2008

accounting
oh yeah 5200000 cash
February 24, 2008

accounting
how do you find average price at which the shares were issued? common stock without par value, 4000000 shares authorized, 800000 shares issued, and 720000 shares outstanding
February 24, 2008

L.A or C.A
Hello everyone! I have a question about feature articles... How is it suppose to look like? Can you find me a feature article on anything so I can see the formate? well thank you! =)
February 24, 2008

French- check-over
i need to see something so when i write my work in it it fixes it for me in french
February 24, 2008

statistics
true/false test with 16 questions all answers are guessed what is the mean and std deviation can u tell me how to get the P(x) value
February 21, 2008

english
India Arie is a famous guitarist
February 21, 2008

Physics
A steady horizontal force F if magnitude 21N is apllied at the axle of a solid disk. the disk has mass 2.0kg and diameter of 0.10m. What is the linear speed of the center of the disk after it has moved 12m?
February 18, 2008

Electricity
A motor running at its rated power provides 2.6 lb-ft torque at its rated speed of 2020 rpm. The motor draws 5.6-A from a 230-V supply at a phase angle of 37 degrees. Determine the following: The horsepower delivered by the motor, The efficiency of the motor.
January 24, 2008

AP Chem
sorry, forgot to mention that its *cubic closest*
January 1, 2008

AP Chem
Sorry, I have one other question. How would I go about solving this problem? What fraction of the total volume of a closet packed structure is occupied by atoms? What fraction of the total volume of a simple cubic structure is occupied by atoms? Do i need to just plug in ...
January 1, 2008

AP Chemistry
Thank you so much!
January 1, 2008

AP Chemistry
Titanium metal has a body-centered cubic unit cell. The density of Titanium is 4.50 g/cm^3. Calculate the edge length of the unit cell and a value for the atomic radius of titanium. Ok, I know how to find the density using the atomic radius, but I'm having trouble working ...
January 1, 2008

ib math studies
IB stands for international baccalaureate. it's a rigorous program, kinda like AP but with different requirements.
December 31, 2007

physics
a 75kg skater is travelling at 15m/s stops suddenly on the ice. If the ice is at 0 degrees and it is assumed that all of the skaters energy is converted to heat, how much ice does he melt? (latent heat of fusion for water is 3.3x10^5 J/kg)
December 16, 2007

ethics
List and explain the legal provisions of Roe. vs. Wade.
December 14, 2007

ethics
According to W.D. Ross, what duties are binding on all moral agents?
December 14, 2007

Algebra II
Solve x^4 - 12x - 5 = 0 given that -1 + 2i is a root. I’ve used synthetic division to get the answers x = 1 +/- 2i , 1 +/- sqrt 2 I’ve having trouble checking the answers though because of that imaginary number. How can I check these kind of problems?
December 13, 2007

Calculus
In the multiplication shown below, the digits have been replaced by letters: different letters represent different digits, and the same letters represent the same digits. What was the origianl multiplication? ABCDE x 4 ====== EDCBA please help tried it many times can't get...
December 12, 2007

Calculus
What day of the week is 263 days from Monday? That is Monday 12-10-2007. Is it Wednesday?
December 10, 2007

Calculus
In the multiplication shown below, the digits have been replaced by letters: different letters represent different digits, and the same letters represent the same digits. What was the origianl multiplication? ABCDE x 4 ====== EDCBA please help tried it many times can't get...
December 10, 2007

social studies
what group(s) of people led the reforms during the 20th century ? why?
December 10, 2007

social studies
how did life on the farm change during the turn of the 20th centure
December 10, 2007

science
My teacher wants us to find another name for winter. Can anyone help me?
December 9, 2007

Math
this question does not make sense to me. Add the proper constant to the binomial so that the resulting trinomial is a perfect square trinomial. then factor the trinomail. X^2+21x+__ What is the constant term? What is the factored for of the trinomial? i just cant figure the ...
December 6, 2007

Literature
Book on Every day heroes. was trying to find book to have at home, teache won't let us take home. Need to do an essay.
December 2, 2007

English
OKay i need help thinking of more traits to describe oedipus. the question is: How do Oedipus's personal characteristics interact with his fate to bring about his downfall? The only trait i can think of is rash, but towrite a 500 word essay i think i need some more.
November 28, 2007

forensics science
what is the D antigen also known as?
November 8, 2007

Chemistry
I have a test on the general concepts of thermochemistry tomorrow. how should i study for it since its not based on problem solving, just concepts?
October 24, 2007

English
is the idea that latin culture in america is dieing out? i can answer all the points i just can put one main idea together. i can gather that he can not afford the instruments, and/or also latin cultural is dieing out or latin music is dieing
October 19, 2007

English
gleaming golden and silver are all contrast with christmas. i still dont understand the significance of Latin Night other then the insturments are al found in lati bands and Martin Espada is latin, but hes living in Massachusettes. do Latino not celebrate christmas? the phrase...
October 19, 2007

English
i understand that an apparition is a ghost like image. These are the thought that are goin hrough my head, its a lonley guy walking down the street on christmas, he sees this pawnshop with the instruments in the window. To him its a ghostlike band and he is signifing that the ...
October 19, 2007

English
I need help answeringthis question about a poem. i will write the instructions below..Thank you How does Martin Espada use imagery,setting, and figures of speech to convey the idea in " Latin Night at the Pawnshop"? the only problem i am having is understand what the...
October 19, 2007

Algebra 2
change x+3y=4 to x=-3y+4. substitute that into the second equation to get 2(-3y+4)-y=8, then solve
October 11, 2007

Algebra 2
you may have written the second equation down wrong. if it is 2x-y=8 then the answer is (4,0)
October 11, 2007

english
It's not A because "find" is not used. It's not B because "especially" is spelled correctly, so no correction is necessary
October 11, 2007

Pre Calculus/Trig
I've tried that multiple times, but I was told the answer should be more than one. I get something around .07
October 11, 2007

Pre Calculus/Trig
find the area of a circle inscribed in triangle ABC where a=9, b=13, and the measure of angle C=38 degrees
October 11, 2007

Chemistry
Thanks for your help!
October 9, 2007

Chemistry
The combustion of carbon monoxide is represented by the equation below: CO (g) + 1/2O2 (g) ----> CO2 (g) a) determine the value of the standard enthalpy change, for the combustion of CO at 298 K using the following info. C (s) + 1/2 O2(g) ----> CO (g) delta H at 298K = -...
October 9, 2007

Physics
Can you tell me if there is a formula to find out the wind pressure on the sides of a roof in different areas of the roof with different pitches. Thanks Nick
October 8, 2007

14 line 10 syllable poem
how to do it...what do they mean?
October 2, 2007

Algebra
what is the a~ all about? If it is a square root symbol then the solution looks like this: x + (2x-5)^(1/2) = 10 : move x to other side (2x-5)^(1/2) = 10 - x : square both sides 2x-5 = (10-x)^2 : expand the squared term 2x-5 = 100-10x-10x+x^2 : combine terms 0 = 105 - 22x + x^...
October 1, 2007

Quanitive Methods
Sorry, the formatting on the graph got messed up. It should be a horizontal line with two vertical lines sticking up at each end.
October 1, 2007

Quanitive Methods
Well, you know that you have 540,000 dollars to spend, so model x*18,000 + y*24,000 < 540,000. Next, you know that at most, you may buy 25 new cars, so x + y < 25. If you treat these two inequalities as equations, you can solve for the extreme points. That is say: x+y = ...
October 1, 2007

science=///
They ingest nutrients, they expel nutrients, they grow, they require water and reproduce. (eat, drink, poop, grow screw) Good luck!
September 30, 2007

Math
One trick that might help you out is to remember that powers subtract when dividing (and add when multiplying) So starting with the original equation, you can pull out all the constants (by putting them to the exponent power) then simply subtract the powers. For instance, the ...
September 30, 2007

Calculus
1) there's an identity for d/dx (cot x) which = csc^2 x. So the answer to 1) is csc^2 x + cos x. 3) use the derivative multiplying rule first *d(second) + second *d(first): y' = x*(-csc(x)*cot(x)) + csc(x)*1 -- there may be some simplification you can do, but I don'...
September 30, 2007

calculus urgent
Break the graph up into a bunch of increments, each with the same x-axis distance between them. The more the graph flips from up to down, the more increments you need. (The more you have, the better your derivative graph will be.) Write down the (x,y) coordinates of each point...
September 30, 2007

calc
The function f is defined by f(x) = x^3 - x^2 - 4x + 4 The point (a,b) is on the graph of f and the line tangent to the graph at (a,b) passes thru the point (0, -8) which is not on the graph of f. Find the values of a and b. I have no clue how to solve this I know the ...
September 30, 2007

calculus
The function f is defined by f(x) = x^3 - x^2 - 4x + 4 The point (a,b) is on the graph of f and the line tangent to the graph at (a,b) passes thru the point (0, -8) which is not on the graph of f. Find the values of a and b. I have no clue how to solve this I know the ...
September 30, 2007

English
You know for the story "The Prosepector's Trail" by Cathy Jewison. Im supposed to be Norman and write a letter to Jennifer 1 year after Jennifer left Norman. Would Norman want Jennifer back or would he want to have a divorce with her and leave her? Please help
September 25, 2007

Math
It's impossible.
September 24, 2007

math
thanks for your help
September 15, 2007

math
a rectangular prism 32x32x500 inside another prism 46x46x500. How to calculate the center of gravity for the larger prism?
September 15, 2007

physics
I though about the volume, this is what I have: F=72m^3x1000Km^3x9.8= 705600 KN/m^3 or 705.6 N/m^3. Is this right or no need to consider gravity?
September 14, 2007

physics
tank of water with L=6m, W=3m, H=4m. 1) Find the force on the bottom of the tank from water. (ignore atmosphere pressure). 2) If the door to the tank is 1.5m by 1.5m and it is 2.25m (center bottom)from the edge of the tank, what is the force on the door and the position of ...
September 14, 2007

Calc 3
T=100J r=.9j F=F (0i+1j+3k)/sq root 1^2+3^2) Replace the values on the formula and solve for F.
September 13, 2007

calc
(x2 - a2)/x-a x ≠ a 8 x = a At what value of a would the function be continuous?
September 11, 2007

Math
Thank you so much. I love you. xD
September 11, 2007

Math
Okay. I have questions like "Walks ten meters in 3 seconds" . How do I find her walking rate. After that I have to find an equation to represent the distance she walks in t seconds. Please help me...Im very confused and terribe at math
September 11, 2007

English
THANK YOU, Ms. Sue
September 6, 2007

English
Thank you again Ms. Sue may I ask your help with two other questions? Simple Subject: Gold miners were Jack's best customers. (gold miners) A cellular telephone is one example of this change. (cellular telephone)
September 6, 2007

English
Thank you, Ms. Sue what about CP That mountain is the tallest one around here. (in the tallest one around here) The fire destroyed the old house. (destroyed the old house) The Puppy limped toward the old man. (limped toward the old man) are my answers correct.
September 6, 2007

English
Complete Predicate. The Snake wrapped itself around the tree. (wrapped itself) is that the correct answer?
September 6, 2007

science
Are there any particular rules that govern whether or not a complex ion will form from a certain ion or do you just have to know them?
September 3, 2007

science
hi wassup
August 27, 2007

science
what is used for storing acids and bases?
August 27, 2007

Avondale and Newtown are 45 miles apart. How many inches is this on a map with a scale 1inch=20miles? I set up a proportion: in/miles= 1/20=n/45 n= 2 and 1/4 in on this map 2 1/4 inches is correct. 1 inch = 20 miles 2 inches = 40 miles 1/4 inch = 5 miles =) Thank you for ...
July 2, 2007

writing
This is the assignment: Reread either Andy Rooney’s essay on page 96 or Sarah Penning’s essay on page. 97. Select either essay as your starting point and discuss the terms they write about. What is your reaction to the thesis of either in relation to accepted ...
June 27, 2007

Chemistry
Therefore Iodine would have an oxidation state of +1 not Br.
June 13, 2007

Chemistry
Iodine doesn't have an oxidation state of -1 in the molecule I-Br because it is a heteronuclear molecule. Br is more electronegative therefore it would have an oxidation state of +1.
June 13, 2007

What is a partial-products algorithm. For example 87*65=? How do you do it and show your work? Here is how Chicago Math does it: 87 x65 multiply 80 x 60.....4800 multiply 7 x 60..... 420 multiply 5 x 80.......400 multlply 5 x 7 ........35 add the products.
April 18, 2007

Math
four gallons of gasoline weigh 25 pounds. find the unit rate in dollars per ounce
April 17, 2007

stats
In a given situation, suppose H0 (null hypothesis) was not rejected at alpha= .02. Would H0 also be retained at alpha = .01? would H0 also be retained at alpha = .05? I'm thinking yes and can't tell. I agree If you did not reject Ho at P = .02, You would definitely not...
March 30, 2007

science
a coomon mineral in solid form Quartz, among thousands of choices. Some are more common than others.
March 23, 2007

Physics
A personne walking at a speed of 1.7m/s see's a stoped bus 25m from him. At this moment this person starts to run with an acceleration of 1,3m/s2. After 4 secondes this personne has reached his maximum speed et it stays constant, but at the same time the bus starts moving ...
March 22, 2007

Language Arts class
Can you help me unscramble these words to make a sentence? bloom white lilies the were petals with and stems graceful the white bloom lilies with petals and stems were graceful . I don't think Keesha's answer makes sense, do you? Please rethink this and let us know ...
March 22, 2007

Biology
In the inner mitchondrial membrane, hydrogen ions... A)are pumped in olny one direction. B)are pumped in both directions C)leak across in only one direction D)leak across in both directions http://cellbio.utmb.edu/cellbio/mitochondria_1.htm
February 19, 2007

Math
How many kilometers are in 153900 mm? do i just divide by 1000? (Broken Link Removed) Looks like it! =) 30lb=_____kg?
February 14, 2007

math
what constant acceleration, in SI units, must a car have to go from zero to 60mph in 10s? How far has the car traveled when it reaches 60mph? First, recognize or calculate that the final velocity is 60 mph = 88.00 ft/s = 26.822 m/s Then divided the metric (SI) final velocity ...
February 12, 2007

chemistry
N2H4(g) + H2(g) 2 NH3(g) H1 = –1876 kJ 3 H2(g) + N2(g) 2 NH3(g) H2 = –922 kJ The H f for the formation of hydrazine: 2 H2(g) + N2(g) N2H4(g) will be ? kJ/mol. Turn equation 1 around and change the sign of H1. Add to equation 2, cancel like molecules appearing on both...
February 9, 2007

physics
As you look out of your dorm window, a flower pot suddenly falls past. The pot is visible for a time t, and the vertical length of your window is L_w. Take down to be the positive direction, so that downward velocities are positive and the acceleration due to gravity is the ...
January 30, 2007

Physics
i meant to say voltage and use the equation P = IV - then multiply by 2 since it's both lines KBAI
January 30, 2007

Physics
scratch that - no subtraction. just your answer as it is i think
January 30, 2007

Physics
RIGHT, well this might be a bit late but i'm another physics student and just found the solution. Basically you want to take your current from part A - and your resistance from part B, plug them in into the equation P = I^2R and then subtract your answer from the original ...
January 30, 2007

math
what is the percent of 7 over 10 (7/10)x100=70% 7 - 10 or 70 - 100
January 30, 2007

calc
What are the intercepting points of y^2=-4x and x^2=y I set both equations equal to 0, but only get x=0 and there is another intercepting point. please help! You can solve for one of the equation and substitute it into the other equation. In this case you already have y=x^2 so...
December 7, 2006

calc
What is dy/dx of y=12/12X-y^3 ???? Any idea anyone??? y=12/12X-y^3 I assume you mean... y=12/(12X-y^3) 12Xy-y^4=12 12x dy/dx + 12y -4y^3 dy/dx=0 dy/dx (12x -4y^3)=-12y solve for dy/dx
December 7, 2006

Chem 12
How can I do this: 3KNO3(aq)+ Fe(SCN)3(aq) + NaOH(aq) <---> ? what do you have to do? write the products it makes. I don't know the products it makes. I have to figure out what adding all those produces. Im not sure its even possible? yes it is possible. first of all...
December 3, 2006

Physics
In a hydraulic system, piston 1 has a surface area of 100 cm2, and piston 2 has a surface area of 900 cm2. A force of 150 N is exerted on piston 1 of the hydraulic lift. What force will be exerted on piston 2?
November 17, 2006

1. Pages:
2. <<Prev
3. 1
4. 2
5. 3
6. 4
7. 5
8. 6
9. 7
10. 8
11. 9
12. 10
13. 11
14. 12
15. 13
16. Next>>