Friday

July 1, 2016
Total # Posts: 1,357

**physics**

You have a mass m hanging on a string of length L. You pull the mass to one side so that the string makes an angle theta with the vertical, then you let go of the mass. For the instant after you let go, how do you calculate the tension in the string? I came up with the ...
*April 7, 2009*

**science**

the examples must relate to industry or consumer life
*April 6, 2009*

**science**

I did a lab on thermic applications and I have to write a paragraph on examples of practical applications of this (how you use thermic reactions in reali life I guess) can someone give me some ideas?
*April 6, 2009*

**chemistry**

if I have 0.0899 g/L what would it be for grams per mL?
*April 2, 2009*

**6th grade Math**

I need help with this problem!! I have this problem that is... convert 12 and 1/2 as a percentage, but i can't figure it out!! Can someone help me?!!! That will be great!! :)
*April 1, 2009*

**french**

I'm not sure if I understood these correctly can someone help? Et il a mis ses poings devant sa figue et il a commence a danser tout autour d'Eudes commes les boxurs a la tele chez Clotaire, d'ailleurs nous on n'en a pas encore et moi je voudrais bien que papa ...
*March 31, 2009*

**French...please help!**

ht t p :// tin ypic . c o m /view . php ?pic= 4hbd34&s=5 can someone click on the link above and help me translate the passage...i have a test on it tomorrow. I dont understand this particular section of the story and another part (I'll post the second part later)
*March 31, 2009*

**kindergarten**

3 sylllables grand-mo-ther
*March 27, 2009*

**Math**

how did you get 5y-5 on the left side?
*March 23, 2009*

**Math**

When y-1=-4/5(x-3) is written in standard form using positive integers, what is the smallest possible coeficcient of x?
*March 23, 2009*

**biology**

In the scientific version of a species name, which of the terms is capitalized?
*March 18, 2009*

**Science**

They involve light and produce protiens.
*March 16, 2009*

**science**

carbohydrates are found in the following 2 forms
*March 14, 2009*

**Literature / Short story I**

i compare my answers to the ones posted up i think ms sue could have came off better but i really dont think she needed anouther person to team up and be totally unnecessary thats just stupid
*March 13, 2009*

**english**

warsaw is a city in poland.... until the wheel turned means gettin rid of the jews and you think to themselves be taken means alot of people mistaken why the jews couldnt escape or try too, because they would die. and the last stanza is sayin they did fight back
*March 13, 2009*

**history**

i still don't know the answer after reading the article
*March 12, 2009*

**history**

I need help with this history question: senate opponents of the league of nations as proposed in the treaty of versailles argued that it a) failed to provide any german financial reparatins for the US b) violated wilson's own fourteen points c) robbed congress of its war-...
*March 12, 2009*

**french**

i understand what this paragraph is generally talking about but i feel that i really don't understand it (i have a reading comprehension quiz on this tomorrow) can someone help? Papa, qui était en train de prendre son café au lait, a dit "aie, des ...
*March 11, 2009*

**Chemistry**

A quarter pound hamburger (115g) will rise the temp of 5kg of water 82.8 degrees C. A person uses about 100 Calories per mile when jogging. How many miles would a person need to jog to urn the Calories in one Hamburger?
*March 11, 2009*

**Chemistry**

Where does the 1cal/gramC come from???
*March 11, 2009*

**Chemistry**

A 300 Calorie donut is used to heat 5.0 kg of water. If the initial temperature of the water is 20 degrees C what will the final temperature of the water be? Assume no heat loss to the surroundings
*March 11, 2009*

**Chemistry**

The heat energy of ethanol is 29800J/g. A 355g can of beer contains 3.70% ethanol by mass. How many ethanol calories are in a can of beer?
*March 11, 2009*

**math**

Please help! cot (2ɵ/3)= - square root of 3
*March 10, 2009*

**math**

how do I solve? sin (3ɵ + ð/18) = 1
*March 10, 2009*

**math- precalculus**

ok thank-you. i figured it out
*March 4, 2009*

**math- precalculus**

Can someone help me with this problem please? Thank-you to those who helped me with the previous ones and I understand those. But, I tried this one and I don't understand it. Use the information given about the angle Ɵ to find the exact value of: sin 2Ɵ. 1) sec&#...
*March 4, 2009*

**math- precalculus**

Can someone help me with this prolem please? Use the information given about the angle Ɵ to find the exact value of: sin 2Ɵ. 1) cosƟ= 3/5, 0 < Ɵ < (π/2)
*March 4, 2009*

**math- precalulus**

Can someone help me with this prolem please? Use the information given about the angle Ɵ to find the exact value of: sin 2Ɵ. 1) sinƟ= 3/5, 0 < Ɵ < (π/2)
*March 4, 2009*

**chemistry**

what is the difference between the combined gas law and the ideal gas law? are they the same thing?
*March 2, 2009*

**chemistry**

How do I figure this out? If argon diffuses at a rate of 15, what rate does krypton diffuse at?
*February 26, 2009*

**science**

barnacles, rockweeds, smooth periwinkles ------> A) splash zone green sea urchins, sponges, brittle starfish -------> B) middle shore rough periwinkle, algae -------> C) lower shore patches of lichens -------> D) upper shore
*February 25, 2009*

**MATH**

HOW DO U FIND THE UNIT RATE?
*February 23, 2009*

**math**

please help me solve: (1-cos^3ө)/(1-cosө) - cos^2ө-1
*February 22, 2009*

**math**

I don't understand how to do these particular ones? can someone help? I get the basic steps but I always get stuck. (sin^2ө- Tan^2ө)/ (1-sec^2ө) (secө-Tanө)^2 (1+sinө)-1
*February 22, 2009*

**math**

i know but how do you multiply it out?
*February 21, 2009*

**math**

how would this multiply out (1/cosө) (Sin^2ө + cos^2ө/cosө * sinө)
*February 21, 2009*

**12th grade**

whick is a positive connotaion of the word inactive? a)lazy B)passive C)relaxed d)slacked
*February 20, 2009*

**what number am i**

i am a three digit number iam less than 200 i am divisible by 12 and by 9 my units digit is less than my tens digits
*February 19, 2009*

**math**

how do I simplify? (secө/ (secө-tanө)) - secөtanө
*February 12, 2009*

**math**

(1-2cos^2ө)/ (sin ө-cosө) + cotө how do I simplify this??? Thank-you for your help!
*February 10, 2009*

**math**

It is the sins, cos, etc of theta
*February 10, 2009*

**math**

how do I simplify these? 1. (Cot/1-tan) + (Tan/1-Cot) - Tan - Cot 2. (1+cos) (csc-cot)
*February 10, 2009*

**prepositions and their objects**

Some of the construction crew built a scaffold near the tower.
*February 9, 2009*

**math**

how do I solve this? (cos ө+1)/ (cos ө - 1) The answer is supposed to be: (1 + sec ө)/ (1- sec ө)
*February 8, 2009*

**math**

how do I solve these? (Tan^2ө)(Cos^2ө)+ (cot^2ө)(sin^2ө) The answer is supposed to be one but I dont know how to get it. 9sec^2ө - 5 tan^2ө The answer is supposed to be 5+4sec^2ө
*February 8, 2009*

**math help**

2.5p=.5p+4 divide both sides by .5 p. You will be left with 5p=4 Divide 4 by 5 so the answer is p=4/5
*February 7, 2009*

**english**

is another one in the fourth grade when Mr. Schulter tells him he should be a doctor but he questions her idea. Then he goes home and practices calling himself Doctor Victor? Also, I dont understand why the essay is set up using headings like First grade, second grade, etc? It...
*February 7, 2009*

**english**

can someone help me with this question?At several points in Sherman Alexie's "Indian Education" essay, Alexie uses comparison and contrast. Locate at least two examples and explain what each contributes to the essay? I just dont see a point of comparison and ...
*February 7, 2009*

**english**

i dont know how to get it to work. the essay is online..can someone help? 29 But it felt good, that ball in my hands, all those possibilities and angles. It was mathematics, geometry. It was beautiful. 31 But it felt good, that buzz in his head, all those colors and noises. It...
*February 7, 2009*

**english**

FIFTH GRADE 1. I picked up a basketball for the first time and made my first shot. No. I missed my first shot, missed the basket completely, and the ball landed in the dirt and sawdust, sat there just like I had sat there only minutes before. 29 But it felt good, that ball in ...
*February 7, 2009*

**english**

This is a passage from Indian Education. I dont understand what to write for this question: Notice the similarities between the pairs of sentences composing paragraphs 29 and 31 and paragraphs 70 and 72, what point does Alexie make with the similarities? FIFTH GRADE 1. I ...
*February 7, 2009*

**psychology**

I think it is C
*February 7, 2009*

**chemistry**

the system side of an open u-tube manometer is 48 mm lower than the open side. What is the pressure of the system?
*February 6, 2009*

**before 1900 arts**

1. David’s Napoleon Crossing the Saint-Bernard treated contemporary history as : a. a documentary b. Grand Manner c. Grand Salon d. neutral i believe it is grand salon, as after this painting most were rejected due to standards. 2. Francisco Goya was a romantic painter ...
*February 5, 2009*

**math**

At what point do the graphs of the following equation intersect: 8x-5y=11 and 4x-3y=5...?
*February 4, 2009*

**Science**

Write a theory and hypothesis. Define the concept and then state how you would measure the concept. Can you show me an example of one so I know what to look for when taking my test. Thank You
*January 29, 2009*

**Geometry**

m angles mnp=23 degrees
*January 28, 2009*

**puzzle (math, psychology)**

You have 3 measuring spoons. Spoon A is filled with 8 tsps of salt. Spoon B and C are both empty; Spoon B can hold 5 tsps and Spoon C can hold 3 tsps. Divide the salt among the spoons so that spoon A and spoon B each have exactly 4 tsps of salt and spoon c is empty.
*January 27, 2009*

**math, psychology, puzzle**

You have 3 measuring spoons. Spoon A is filled with 8 tsps of salt. Spoon B and C are both empty; Spoon B can hold 5 tsps and Spoon C can hold 3 tsps. Divide the salt among the spoons so that spoon A and spoon B each have exactly 4 tsps of salt and spoon c is empty.
*January 27, 2009*

**math, psychology, puzzle**

you have a 5 minute hourglass and a 9 minute hour glass. How can you use them to time a 13 minute barbeque?
*January 27, 2009*

**biology**

what would happen if you treated a protein (containing 3 S-S bonds) with urea and mercaptoethanol? I know that the urea breaks hydrogen bonds and that the mercaptoethanol reduced disulfide bonds but what levels of the protein would be affected?
*January 26, 2009*

**biology**

what would happen if you treated a protein (containing 3 S-S bonds) with urea and mercaptoethanol? I know that the urea breaks hydrogen bonds and that the mercaptoethanol reduced disulfide bonds but what levels of the protein would be affected?
*January 26, 2009*

**math**

how do i find 3/4 of 8 another question says find 3/8 of 1/4
*January 25, 2009*

**algebra**

factor: 9w - w^3 = 3w(3-w^2) m^4 - n^4 = (m-n)^2(m-n)^2 are these correct? the next few I wasn't sure how to work... factor: 2h^2 - h - 3 = 0 x^2 - 36 = 0 x^3 = 4x
*January 24, 2009*

**Home School. PLEASE HELP ME!!**

Once again i didnt get a book so im having trouble. I tried my best on the ones i answered..if i got any wrong please tell me and correct them for me please! Thanks so much :) 1. According to Jean Piaget, in what is all learning based? A. Sensorimotor learning (my answer) B. ...
*January 19, 2009*

**history**

who was against jacksons indian removal act (like what groups of people or states) besides the indians themselves?
*January 18, 2009*

**math**

also this one: f(x)=5(the square root of x-3)
*January 13, 2009*

**math**

how do you find the equations inverse and the domain of the inverse f(x)= 4x^2 -5
*January 13, 2009*

**WORLD HISTORY EXAM 3 HELP PLEASE?!?**

I ANSWERED SOME OF THEM BUT I DONT KNOW IF THERE RIGHT OR WRONG..CAN YOU HELP ME? I DONT HAVE THE BOOK TO HELP.. THANKS SOO MUCH!! 1. The term superman or supermen was developed by..? a. Nietzsche (my answer) b. Marx c. Hegel d. Mann 2. The novel Les Miserables was written by...
*January 9, 2009*

**SKILLS FOR THE EFFECTIVE TEACHER AIDE**

THIS ISNT FOR THAT..IM NOT TRYING TO BE A TEACHER AIDE. ITS A CLASS IM TAKING IN SCHOOL. IF THIS WAS SOMETHING I WANTED IN MY FUTURE I WOULDNT BE ASKING FOR ANSWERS! IF YOU CANT HELP ME THEN DONT POST NOTHING
*January 9, 2009*

**SKILLS FOR THE EFFECTIVE TEACHER AIDE**

ITS HOME SCHOOL..I DIDNT GET A BOOK IN THE MAIL..AND IM NOT PAYIN FOR 20$ TO GET ONE! THANKS FOR YOUR HELP..PSHH
*January 9, 2009*

**SKILLS FOR THE EFFECTIVE TEACHER AIDE**

I need help! I dont have the book to help me..i tried to answer some and if i got them wrong please help and correct them for me! Thanks :) 1. What is active listening? A. Interrupting the speaker with questions B. Listening attentively and asking clarifying questions C. ...
*January 9, 2009*

**Introduction To Teacher Aide**

Ok i need help please! I dont have the book to help me so can someone please help me! I did my best to answer some..if i got them wrong please correct them for me... Thanks :) 1. Which of the following might be a duty of a noninstructional aide? A. Accompany a child to and ...
*January 9, 2009*

** 9th grade English**

subordinating conjunction = the subordination that occurs when a conjunction makes one linguistic unit a constituent of another a conjunction (like `since' or `that' or `who') that introduces a dependent clause correlative conjunction = In grammar, a conjunction is...
*January 9, 2009*

**math**

Is this suppose to be something like.. (a-4 b-6) a+b= ? If so then it equals 10 cause 4+6=10
*January 8, 2009*

**math- logarithms**

how do i solve these logs? log1/2 (3x+1)^1/3= -2 3^(x^3)= 9^x
*January 8, 2009*

**math**

how do i solve these logs? log1/2 (3x+1)^1/3= -2 3^(x^3)= 9^x
*January 8, 2009*

**math**

how do i solve this logarithm log(base 9)X + 3log(base 3)X = 14
*January 7, 2009*

**chemistry**

I thought that Cl always needed to have a 2 after it
*January 7, 2009*

**chemistry**

but i thought that Cl always had to have a 2 after it.
*January 7, 2009*

**chemistry**

How do I balance this equation for silver nitrate and sodium chloride reacting to form sodium nitrate and silver chloride. AgNO3 + NaCl = AgCl2 + NaNO3
*January 7, 2009*

**ALCOHOLIC BEVERAGES**

THERES ONLY A FEW THAT I DONT KNOW...PLEASE HELP!!! 5.If you're looking for a light, versatile, red wine to make a simple pasta with basil and tomatoes, a good choice whould be..?? A.Pinot Grigio B.Cabernet Savignon C.Chianti D.Monks 7.Sapana and jim discussing Amercian ...
*January 6, 2009*

**science**

how do you keep your body from being crushed by air pressure?
*January 6, 2009*

**SOCIAL STUDIES**

wHAT KIND OF PEOPLE LIVED IN THE EAST COAST OF NORTH AMERICA IN THE LATE 1600'S OR EARLY 1700'S?
*January 5, 2009*

**Math**

aflyerquacker,it was on my homework today :)
*January 5, 2009*

**Health**

In what year did Minnesota passedthe first state law requiring buisness,restaurants, and other institutions to establish no-smoking areas??
*December 18, 2008*

**math**

If u look at the question carefully it says about how many which means estimate!!!😄😄
*December 17, 2008*

**math**

You divide by 2 and get 1146,513,785 and a remainder as 1. But the thing that I dint get is that it say how many people will live within between that distance??? So maybe we have to estimate the number we just got from dividing and that is our answer.
*December 17, 2008*

**Economics**

What are the principles of economics invloved in producing price floors + cielings?
*December 16, 2008*

**science**

What did Rutherford's gold foil experiment give proof of?
*December 13, 2008*

**history**

i have to write a paper about why lincoln was a better president than george washington. What were some of george washingtons mistakes and how could lincolnn be better?
*December 12, 2008*

**math**

how do i solve this? sin of 30 degrees - cos of 45 degrees
*December 12, 2008*

**english**

is a female counterpart the nickname for a person's wife?
*December 10, 2008*

**math**

the minute hand of a clock is 6 inches long. how far does the tip of the minute hand move in 15 minutes? what is the circumference of a circle with radius of 6 in? It is 12 pi What fraction of a circle does the minute hand move in 15 minutes? It is 90 degrees So what do I do ...
*December 8, 2008*

**math**

i dont get it?
*December 8, 2008*

**math**

the minute hand of a clock is 6 inches long. how far does the tip of the minute hand move in 15 minutes?
*December 8, 2008*

**science**

what are the role of the electrons in ionic bonds,covalent bonds and metallic bonds
*December 3, 2008*

**precalculus**

how do i solvethis equation (btw we are studyinglogarithms) 3^(x^3)=9^x 2^x=10 (4^x)-(2^x)=0
*December 1, 2008*

**english**

im trying to say that while Douglass can tell the reader how he feels, actually knowing how it feels to be isolated makes his situation more meaningful ...is that the right way to put it because I'm not sure if it makes the situation more meaningful or is there a better ...
*November 28, 2008*

**english**

ok thank-you. I also dont understand why Douglass keeps saying " them be placed in my situation" because that is the only way they will understand his situation. What is he causing the reader to do?
*November 28, 2008*