Sunday

September 14, 2014

September 14, 2014

**Recent Homework Questions About First Aid**

Post a New Question | Current Questions

**math**

In a recent civil service examination, 1/8 of the candidates failed the first part of the test.Of those eligible to take the second part of the competive examination, 2/7 successfully passed.What part of the original candidates were successful in the examination?
*Thursday, May 22, 2014 at 8:54pm*

**pe**

1. Which resource would be the best choice to learn more information about joining a cricket team? (1 point) county aquatics facility lifeguard * local community center private equestrian center 2. At the 8th grade dance, Myron asks Janelle if she would like to dance with him ...
*Thursday, May 22, 2014 at 2:18pm*

**Statistics**

Coaching companies claim that their courses can raise the SAT scores of high school students. But students who retake the SAT without paying for coaching also usually raise their scores. A random sample of students who took the SAT twice found 427 who were coached and 2733 who...
*Thursday, May 22, 2014 at 1:03pm*

**writing**

I need some help with my intro paragraph for a compare/contrast essay. I have the first and last sentences, just need some help with the filler sentences. Ideas? ( "The similarities and differences between the “Gettysburg Address” and “Pericles' Funeral...
*Thursday, May 22, 2014 at 12:09pm*

**History**

1. "Am I not a women and a sister" What were the ideals of the movement related to this medallion? a)abolition and suffrage****** b)freedom and abolition c)justice and temperance d)temperance and slavery 2. Which details from the poster suggest that giving the women ...
*Thursday, May 22, 2014 at 11:39am*

**Chemistry**

Suppose that coal of density 1.5 g/cm3 is pure carbon. (It is, in fact, much more compli- cated, but this is a reasonable first approxima- tion.) The combustion of carbon is described by the equation C(s) + O2(g) −→ CO2(g) ∆H◦ = −394 kJ What is ...
*Thursday, May 22, 2014 at 8:01am*

**Science--worked hard, check my answers sum1?**

1. What do bone marrow and the epidermis have in common? They are both sites of new cell formation. They both contain structures that assist the body in cooling down if overheating occurs. They both contain or are associated with sensory neurons. They are both involved in ...
*Thursday, May 22, 2014 at 5:20am*

**math**

1. The cost of a regular price to Saint Louis Cardinal baseball was $60. During the World Series, the price increased by 2/5. What did the fans pay? A. $65 B. $84 C. $80 D. $69 my answer is D 2. Abby is touring China for four days. The rental is $38.15 per day plus 12 1/2 ...
*Thursday, May 22, 2014 at 4:53am*

**Check my answers? thank you.**

1. Which of the following effects would you expect if red blood cells were shaped like neurons? They would not be able to move as easily through capillaries. **** They would more easily carry out gas exchange in the alveoli. They would not need to be transported through the ...
*Thursday, May 22, 2014 at 1:06am*

**Science--check my answers.**

1. Which of the following effects would you expect if red blood cells were shaped like neurons? They would not be able to move as easily through capillaries. **** They would more easily carry out gas exchange in the alveoli. They would not need to be transported through the ...
*Wednesday, May 21, 2014 at 10:50pm*

**Precalculus**

Find the values of x and y. Matrices.. [-4 2 3 5 3 5 2 -3 1] TIMES [2 x 5] EQUALS [9 38 y] It is difficult for me to type the matrices in but.... The first matrix is 3x3 consisting of -4,2,3 in the first row.. 5,3,5 in the second row ......2,-3,1 in the third row... Then ...
*Wednesday, May 21, 2014 at 10:02pm*

**BIOLOGY please help**

The first phase of somatic cell division is (A) __________, when the cell’s chromosomes condense, and the nuclear envelope that holds the chromosomes starts to break up. During this time, structures called the (B) __________ form from centrioles, which will attach to the ...
*Wednesday, May 21, 2014 at 9:25pm*

**math 6 probability**

Rick plays football. He makes 75% of his passes. He will be attempting two passes. Rick makes the first one. What is the probability that Rick makes the second pass? 25% 75% 100% 50% I think it's %50 ?
*Wednesday, May 21, 2014 at 8:44pm*

**HIS204**

Question 1.1. The Depression reached its most devastating point in the months between FDR’s victory and when he entered the White House. However, he proclaimed that there was only one thing that the American people needed to be fearful of. Which of the following was it...
*Wednesday, May 21, 2014 at 7:15pm*

**Chemistry**

Hey guys so I was absent for my class and my teacher STILL wants me to figure out how to do limiting reactant and theoretical yield I tried Khan academy and it was no use. So basically the first question is : My data is : Mass of lead nitrate = 5.03g and Mass of Potassium ...
*Wednesday, May 21, 2014 at 4:16pm*

**math ~dont know all but check some~ pls help!!!**

1. Draw a model to represent the polynomial x2 + 2x + 4. (1 point) 1 big square, 1 tall rectangle, 4 little sqaures 1 big square, 2 tall rectangles, 4 little sqaures in the shape of an "L" 2 big sqaures, 4 little squares none of these 2. Simplify the polynomial. &#...
*Wednesday, May 21, 2014 at 2:36pm*

**English**

Read the following lines from Marge Piercy's "To Be of Use" The people I love the best Jump into work head first without dallying in the shadows and swim off with sure strokes almost out of sight. They seem to become natives of that element, the black sleek heads...
*Wednesday, May 21, 2014 at 2:28pm*

**Statistics/Probability**

So I tried solving the first one and apparently failed miserably, attempted both twice and got it wrong each time and I have one submission attempt left, so any help is definitely appreciated! 1. Hotels R Us has kept the following recordes concerning the number of guests in a ...
*Wednesday, May 21, 2014 at 2:01pm*

**Calculus**

1/X by first principles
*Wednesday, May 21, 2014 at 12:43pm*

**math **

The 3rd term in an arithmetic sequence is 12, the 7th term is 24, a) How many common differences are there between a_3 and a_7? b) What is the common difference of the sequence? c) What is the first term in the sequence? a_1 d) What is the expression for this arithmetic sequence?
*Wednesday, May 21, 2014 at 12:06pm*

**Help Mrs.Sue LA**

Courage to Speak “Any volunteers?” Ms. Chavez scanned the class. Ming slouched farther down in her seat. “Come on now, you’ll all have to interview someone sometime this year. No one wants to go first? Okay, I’ll just have to choose someone.” I am...
*Wednesday, May 21, 2014 at 10:51am*

**English**

1. Why don't you start first? 2. Why not start first? 3. How about starting first? 4. What do you think about/of starting first? 5. How do you feel about starting first? --------------- Are they all grammatical?
*Wednesday, May 21, 2014 at 9:58am*

**English**

Dear Writeacher, thank you for the answer. Will you help me with two more questions? 1) Do you think it's possible to say "according to the opinion of many analysts" (I mean 'according' + 'opinion', or just "according to many experts")? ...
*Wednesday, May 21, 2014 at 9:15am*

**Calculus**

Find the volume of the solid generated by rotating about the y axis the area in the first quadrant bounded by the following curve and lines. y=x^2, x=0, y=2.
*Wednesday, May 21, 2014 at 2:17am*

**language help !**

On February 12 1908 a difficult automobile race was in progress. Six cars left New York for Paris in a route that included the United States, Japan, Russia, Poland, Germany and part of France Met by blizzards and other dangers the racers nevertheless kept on. The German entry ...
*Tuesday, May 20, 2014 at 10:16pm*

**Statistics/Probability**

So I tried solving the first one and apparently failed miserably, attempted both twice and got it wrong each time and I have one submission attempt left, so any help is definitely appreciated! 1. Hotels R Us has kept the following recordes concerning the number of guests in a ...
*Tuesday, May 20, 2014 at 9:35pm*

**u.s. history**

Bent double, like old beggars under sacks, Knock-kneed, coughing like hags, we cursed through sludge, Till on the haunting flares we turned our backs And towards our distant rest began to trudge. Men marched asleep. Many had lost their boots But limped on, blood-shod. All went...
*Tuesday, May 20, 2014 at 5:22pm*

**PE--Check my answers :)**

Which resource would be the best choice to learn more information about studying martial arts? dance studio *** local bait shop phone book public golf course 2. At the 8th grade dance, Myron asks Janelle if she would like to dance with him seconds before Octavio asks Janelle ...
*Tuesday, May 20, 2014 at 4:54pm*

**Calculus**

In First principles there is usually a part that states as lim approaches 0. Now I came across a question where the limit was as 1 approaches 3. what should I do?
*Tuesday, May 20, 2014 at 4:13pm*

**Civics- Help PLEASE**

1. Which goal of foreign policy relates to protecting the safety of Americans? Spreading democracy World peace „² My Answer National security Humanitarian help 2. Which foreign policy approach describes a country that avoids interaction with other countries? ...
*Tuesday, May 20, 2014 at 3:16pm*

**Maths Probability**

Consider a Markov chain X0,X1,X2,É described by the transition probability graph shown below. The chain starts at state 1; that is, X0=1. 1recurs p=.75 1to 2 p= .25 2to 1 p = .375 2 recurs p=.25 2 to 3 p = .375 3 to 2 p = .25 3 recurs p = .75 Find the probability that ...
*Tuesday, May 20, 2014 at 3:03pm*

**Health and Physical check answers**

My Answers: #1) Greater coordination #2) Healthcare providers #3) Speak with a nurse about the product. #4) Amy convinces Briana to pick on the new student on their softball team. #5) Act #6) Walk away. #7) exercising every day for 45 minutes #8) Cindy and Marcus have a ...
*Tuesday, May 20, 2014 at 2:55pm*

**algebra**

Gina wrote this system of linear equations: 2x + y = 7 4x + 5y = 11 Which of the following shows the first four steps that Gina could have used to correctly solve this system for x? a.) y = 7 – 2x 4x + 5(7 – 2x) = 11 4x + 25 – 10x = 11 25 – 6x = 11 b.) y = ...
*Tuesday, May 20, 2014 at 11:52am*

**Probability**

Consider a Markov chain X0,X1,X2,É described by the transition probability graph shown below. The chain starts at state 1; that is, X0=1. 1recurs p=.75 1to 2 p= .25 2to 1 p = .375 2 recurs p=.25 2 to 3 p = .375 3 to 2 p = .25 3 recurs p = .75 Find the probability that ...
*Tuesday, May 20, 2014 at 10:48am*

**English**

Asako: I guess you have a point there. By the way, I have a question. We usually pay individually in Japan. How come one person usually pays for everybody in Korea? Kevin: Oh, I also thought that was very strange at first. I think the oldest person always picks up the bill. MC...
*Tuesday, May 20, 2014 at 8:21am*

**Calculus- answer check**

A brand new stock is also called an initial public offering. This model predicts the percent overvaluation of a stock as R(t)=9t((t-3)^3/2.718) where is the overvaluation in percent and t is the time in months after the initial issue. Use the information provided by the first ...
*Monday, May 19, 2014 at 10:50pm*

**algebra**

110 students like the program. 120 students think the program is unnecessary. 210 students plan on running for student government next year. If a circle graph were made from the data, what is the measure of the central angle for the group that likes the program. I'm not ...
*Monday, May 19, 2014 at 7:45pm*

**MATH**

The shape is an equilateral triangle. a)Does the shape have rotational symmetry? If so,identify the angle of rotation. b)Does the shape tessellate? I dont know what to do for the first part.But I think part B is yes because it has no overlaps or gaps. Please help
*Monday, May 19, 2014 at 6:37pm*

**English**

This is one proposal that will definitely anger some people: Everyone should have a pet. There should be a law that makes sure everyone will get a pet or give a legitimate reason why they cannot. There are almost infinite arguments to favor owning animals, so not all of them ...
*Monday, May 19, 2014 at 6:30pm*

**Algebra**

the table shows the results of a survey of college students. find the probability that a student's first class of the day is a humanities class, given the student is female. First class of the day for college students male female humanities 70 80 science 50 80 other 60 70
*Monday, May 19, 2014 at 6:13pm*

**math**

The test Keyshawn's class took finished at 10:30 A.M. The first part of the test took 30 minutes. There was a 15 minute break. The second part of the test also took 30 minutes. At what time did the test start?
*Monday, May 19, 2014 at 5:34pm*

**English**

This is one proposal that will definitely anger some people: Everyone should have a pet. There should be a law that makes sure everyone will get a pet or give a legitimate reason why they cannot. There are almost infinite arguments to favor owning animals, so not all of them ...
*Monday, May 19, 2014 at 4:34pm*

**Social Studies**

1. In a typical rural village in Mexico, you might expect to find that most people living on farms get their food by a. growing their own. b. buying what they need at large supermarkets. c. buying what they need at small supermarkets. d. gathering nuts and wild berries. 2. ...
*Monday, May 19, 2014 at 2:53pm*

**biology**

suppose some natral disaster occured and a speices of finch is forced to relocate from its original island where it dined on cactus flowers to an adjacent island with many fewer cacti but an over abundance of orchids what would be the imediate consequences to the speices in ...
*Monday, May 19, 2014 at 9:52am*

**Account 2**

a light truck is purchased on january 1 at a cost of $27,000. it is expected to serve for eight years and have a salvage value of $3,000. calculate the depreciation expense for the first and third years of the truck
*Sunday, May 18, 2014 at 11:46pm*

**math**

On the side of a parade ground there are two flag poles. The first is 11m high and the second is 8m high. At 3pm the shadows cast by both poles overlap each other perfectly and the furthest point of both shadows is exactly 13m from the base of the base of the shortest pole. ...
*Sunday, May 18, 2014 at 7:44pm*

**Biology**

A strand of DNA contains the following bases. ATT CCG GGA TTT a) what amino acids are coded for? First of all, would the mRNA strand be UAA GGC CCU AAA?
*Sunday, May 18, 2014 at 5:56pm*

**help please**

The (A) __________ is a clear fluid that bathes both the front and back of the lens. If too much fluid builds up in the eyeball, blood vessels are damaged and neurons of the retina and optic nerve will die, causing vision loss. This condition is called (B) __________. Answer ...
*Sunday, May 18, 2014 at 4:25pm*

**derivative**

Would the first derivative of R(t)=9t[(t-4)^3/2.718] be R'(t)=3.311258278(3(t-4)^2(t)+(t-4)^3) and the second derivative be R''(t)=3.311258278(6(t-4)x+6(t-4)^2)?
*Sunday, May 18, 2014 at 4:09pm*

**please help **

Im stuck on the second part of question The fluid filled organ of the inner ear has tiny (A) __________ cells that release neurotransmitters. Different sound frequencies affect different groups of these cells, and louder sounds stimulate more of these cells in a given region. ...
*Sunday, May 18, 2014 at 4:05pm*

**language arts**

In which sentence are quotation marks used correctly? A)"I'd love to go to the movie, she said, "but I have to finish my homework first." B)"I'd love to go to the movie," she said, but I have to finish my homework first." C)"I'd ...
*Sunday, May 18, 2014 at 3:28pm*

**Calculus**

A brand new stock is also called an initial public offering. In this model, the period immediately after the stock is issued offers excess returns on the stock—that is, the stock is selling for more than it is really worth. One such model predicts the percent ...
*Saturday, May 17, 2014 at 11:53pm*

**math**

Debbie Snyder has just graduated from college and needs to buy a car to commute to work. She estimates that she can afford to pay about $ 450 per month for a loan or lease and has about $ 2,000 in savings to use for a down payment. Develop a plan to guide her through her first...
*Saturday, May 17, 2014 at 8:32pm*

**Chemistry**

Explain why methyl red would be a good indicator for a titration of 0.25M NaOH with .025M HNO3, but a poor choice for use in a titration of 0.25M NaOH with 0.25M HCN. I'm pretty sure the first step is to find the pH of the two titrations (and then compare those to the pH ...
*Saturday, May 17, 2014 at 7:50pm*

**AB Chemistry4**

4 HCl + MnO2 ==> MnCl2 + 2 H2O + Cl2 How many grams of MnCl2 are formed when 36.0 grams of water are also formed? DO we have to calculate mole mass first?
*Saturday, May 17, 2014 at 12:01pm*

**Calculus**

A brand new stock is also called an initial public offering. In this model, the period immediately after the stock is issued offers excess returns on the stock—that is, the stock is selling for more than it is really worth. One such model predicts the percent ...
*Saturday, May 17, 2014 at 5:51am*

**physics**

Soccer player #1 is 7.31 m from the goal, as the figure shows. If she kicks the ball directly into the net, the ball has a displacement labeled . If, on the other hand, she first kicks it to player #2, who then kicks it into the net, the ball undergoes two successive ...
*Thursday, May 15, 2014 at 10:03pm*

**English**

Connect the first act of Love's Labor's Lost to a current event
*Thursday, May 15, 2014 at 9:56pm*

**physics**

Soccer player #1 is 7.31 m from the goal, as the figure shows. If she kicks the ball directly into the net, the ball has a displacement labeled . If, on the other hand, she first kicks it to player #2, who then kicks it into the net, the ball undergoes two successive ...
*Thursday, May 15, 2014 at 5:49pm*

**Maths Probability**

Consider a Markov chain X0,X1,X2,… described by the transition probability graph shown below. The chain starts at state 1; that is, X0=1. Find the probability that X2=3. P(X2=3)= - unanswered Find the probability that the process is in state 3 immediately after the second...
*Thursday, May 15, 2014 at 5:46pm*

**ENGLISH**

Identify the correctly punctuated sentence. I marked the one I think it is. • Doing my homework, making my bed, and practicing guitar are on my to-do list for the day. • Doing my homework, is the first thing I should do. • Doing my homework I found my mind start...
*Thursday, May 15, 2014 at 4:51pm*

**English**

Choose the sentence that is punctuated correctly. Many people are afraid of bold futuristic inventions Why did you spend all your money on expensive trendy clothes that you'll only wear a month or so? Oh, no, Mom is watching that silly, musical comedy again. ---> The ...
*Thursday, May 15, 2014 at 4:33pm*

**Health and Physical check answers**

My Answers: #1) Greater coordination #2) Healthcare providers #3) Speak with a nurse about the product. #4) Amy convinces Briana to pick on the new student on their softball team. #5) Act #6) Walk away. #7) exercising every day for 45 minutes #8) Cindy and Marcus have a ...
*Thursday, May 15, 2014 at 3:25pm*

**Math (functions)**

I'm really confused on this question. Could you help me? (First time using this site by the way) The question is: use the function rule f(x) = 3x - 2. Fine output: f(1.5) Can you please explain how I get this?
*Thursday, May 15, 2014 at 11:41am*

**History **

I got the question "In what ways did Canada become a welfare state between 1931 and 1982? How did this affect the way Canadians saw themselves? In what ways do you think the economic and social inequalities continued?" and I wanted someone to check over my answer, to...
*Thursday, May 15, 2014 at 2:28am*

**geomettry**

An artist is using a coordinate plane to plan a string design for a wall. The artist plans to hammer a nail at each vetex of regular hexagon. then the artist will string to connect the vertices to make the hexagon shape. the artiststarts with a circle centered at the origin ...
*Wednesday, May 14, 2014 at 9:54pm*

**Chemistry **

Suppose a patient is given 140mg of I−131, a beta emitter with a half-life of 8.0 days. Assuming that none of the I−131 is eliminated from the person's body in the first 4.0 hours of treatment, what is the exposure (in Ci) during those first four hours? Express...
*Wednesday, May 14, 2014 at 9:38pm*

**Logic**

Even if you know only some of them please help! 1. Give a proof of the following: (∀F)( (P)( [ιxGx][Px] ⊃ F(P) ) ⊃ F(G)) (∃F)( (P)( F(P) ≡ [ιxGx][Px]) Therefore, E!(ιxGx) 2. Prove the following: [ιxMx][Thales believed that Bx...
*Wednesday, May 14, 2014 at 8:40pm*

**Chemistry **

Suppose a patient is given 140mg of I−131, a beta emitter with a half-life of 8.0 days. Assuming that none of the I−131 is eliminated from the person's body in the first 4.0 hours of treatment, what is the exposure (in Ci) during those first four hours? Express...
*Wednesday, May 14, 2014 at 8:02pm*

**Social Studies**

Around 60,000 years ago, people first settled in Australia? What were these people called? Aborigines?
*Wednesday, May 14, 2014 at 7:24pm*

**Social Studies**

How do you think America might be different if the U.S. presidential election of 1828 had not occurred? The first Democratic government would not be established and Jackson's wife, Rachel would not have died. The president himself felt that it was the stress of the ...
*Wednesday, May 14, 2014 at 7:10pm*

**Social Studies**

Was Australia settled first or New Guinea? I had a test in which I was asked about, and it said that Australia was settled first, and then rest of the Pacific Islands. I thought that Australia and New Zealand were settled at approximately the same time.
*Wednesday, May 14, 2014 at 6:45pm*

**ADMINISTRATIVE LAW**

You have just been appointed as the new court administrator for a medium-sized court system with approximately 75 employees and 5 full-time courts. This is a new position for the courts. In the past, each individual court has primarily managed itself, except for the employee ...
*Wednesday, May 14, 2014 at 6:30pm*

**Social Studies**

How do you think America might be different if the U.S. presidential election of 1828 had not occurred? The first Democratic government would not be established and Jackson's wife, Rachel would not have died.
*Wednesday, May 14, 2014 at 6:04pm*

**English**

Coins Coins were first invented in the 7th century B.C.. in Lydia. They were made from gold and silver. People made coins of different sizes and gave them different values. Coins were good in many ways. First, they could be carried easily. Second, they made exact exchanges ...
*Wednesday, May 14, 2014 at 5:36pm*

**Math**

Courtney organized a charity walk. In the first year, the walk generated $3000. She hopes to increase this amount by $900 each year for the next several years. If her goal is met, in how many years will the walk have generated a total of at least $65,000 for the charity?
*Wednesday, May 14, 2014 at 12:03pm*

**math**

jake has decided upon three business ventures to invest in. The total cost of investing in all three ventures will be $15,000. Investing in the first venture will cost $3,000 more than investing in both the second and the third venture. According to Jake’s research, his ...
*Wednesday, May 14, 2014 at 11:04am*

**math (urgent )**

13.875-0.1875(56.375)/8-2 (1/8+27.125/300.875 the answer is 1.1908 but when i calculate use calculator i cant get the answer.we need solve value in the bracket first then multipe by first value or how ? pls
*Wednesday, May 14, 2014 at 8:03am*

**math**

a parking lot charges $1.50 for the first hour of parking and 55 cents for each additional half hour how much would it cost to park a car from 12:45pm to 6:15 pm
*Tuesday, May 13, 2014 at 11:09pm*

**English **

this is a paragraph for a paper can someone please check the grammer? Only a small portion of the population in the United States are attending schools, and that small portion are people who really want to stand out and have a life full of joys and success. College is the ...
*Tuesday, May 13, 2014 at 10:17pm*

**ap stats**

two different sections of electricians took their state license test. the first section consisted of 75 applicants having an average score of 262 and a sample standard deviation of 35. they were journeyman, experienced electricians who were renewing their licenses. the second ...
*Tuesday, May 13, 2014 at 9:56pm*

**math**

In a shipment of 50 calculators,4 are defective. Two calculators are randomly selected and tested. What is the probability that both are defective if the first one is not replaced after being tested?
*Tuesday, May 13, 2014 at 6:54pm*

**Math**

Deana invests some money that earns interest compounded annually. At the end of the first year, she earns $400 in interest. At the end of the second year, she earns $432 in interest. a) what interest rate, compounded annually, is deana earning? b) how much did she invest?
*Tuesday, May 13, 2014 at 3:21pm*

**Law**

1. What was the first crime-fighting group to tackle the issue of improper police conduct? A. The Knapp Commission B. The Warren Commission C. The Wickersham Commission D. The Powell Commission is it C 2. Which type of corruption is most common? A. Grass eating corruption B. ...
*Tuesday, May 13, 2014 at 2:34pm*

**Differential Equations**

Consider the spring - mass system, shown in Figure 4.2.4. consisting of two unit masses suspended from springs with spring constants 3 and 2, respectively. Assume that there is no damping in the system. Show that the displacements u1, and u2 of the masses from their respective...
*Tuesday, May 13, 2014 at 12:58pm*

**Social Studies**

1. what time was the first target hit at Pearl Harbor? Answer: 7:53 a.m. 2. Who said, "A day which will live in infamy"? Answer: President Franklin D. Roosevelt 3. Which ships were placed within 12 miles from the island? Answer: Ward, Vega, and Antares 4. What year ...
*Tuesday, May 13, 2014 at 12:37pm*

**History -- PLEASE CHECK!**

In the 1980s an alterative music form began developing in Washington State. This music, called grunge, combined elements of punk and heavy metal. Like most new bands, grunge bands started playing in small crowds and slowly became popular. Which of the following correctly ...
*Tuesday, May 13, 2014 at 7:16am*

**Ratio of two triangles**

What would the ratio be if the first triangle has sides of 4cm, 8cm, and 12cm and the second triangle had sides of 1cm, 2 cm, and 3 cm? Would the ratio be 4:1 or 1:1/4?
*Tuesday, May 13, 2014 at 12:56am*

**English**

The fire-fighters stand and watch for the first time in days. --------------- What is the meaning of 'in days'? what other expressions can use instead of 'in days'? Thank you.
*Monday, May 12, 2014 at 9:39pm*

**English**

12. What does the following quote reveal about Montressor’s intentions? "'Pass your hand,’ I said, ‘over the wall; you cannot help feeling the nitre. Indeed it is very damp. Once more let me implore you to return. No? Then I must positively leave you. ...
*Monday, May 12, 2014 at 6:35pm*

**Chemistry **

Suppose a patient is given 140mg of I−131, a beta emitter with a half-life of 8.0 days. Assuming that none of the I−131 is eliminated from the person's body in the first 4.0 hours of treatment, what is the exposure (in Ci) during those first four hours? Express...
*Monday, May 12, 2014 at 6:26pm*

**history**

1. Which factor contributed most to the beginning of the women's rights movement in the United States during the mid-1800s? A. A dramatic increase in women's participation in the workforce *** B. A shift in social attitudes brought on by increased sectional tensions C...
*Monday, May 12, 2014 at 3:46pm*

**MATH: TRIG**

IF X IS AN ANGLE IN THE FIRST QUADRANT AND COSX= 3/5, FIND THE EXACT VALUE OF SIN2X DONT UNDERSTAND, KNOW THAT THE COSX IS ON A 3,4,5 TRIANGLE
*Monday, May 12, 2014 at 3:44pm*

**English**

Can someone check the grammar in the following sentences? Thank you in advance. 1) The nuclear power station can give our town a lot of energy and jobs to people. 2) We won't be able to use the farmland near the power station because it will be polluted with chemicals. We ...
*Monday, May 12, 2014 at 2:27pm*

**Health information**

A surgeon performs elective surgery on Patrick John Smith. Smith later complains to his surgeon about pain resulting from the surgery. His surgeon dismisses his complaints as not credible and eventually withdraws from the case. Smith is then treated by another surgeon, who ...
*Monday, May 12, 2014 at 10:31am*

**Grammar - INTERJECTION**

Ho, ho! That was a good joke. Good heavens! You won the first price. Oh dear! You should not done that Bravo! You have won the prize. have you spent all your pocket money? Tut-tut! Did you break the cup. Hush! The king is going to speak
*Monday, May 12, 2014 at 9:04am*

**MATH**

1. A factory manufactures two products, each requiring the use of three machines. The first machine can be used at most 60 hours; the second machine at most 30 hours; and the third machine at most 80 hours. The first product requires 2 hours on machine 1, 1 hour on machine 2, ...
*Monday, May 12, 2014 at 7:07am*

**chemistry**

An ideal solution of 5.00 mole benzene and 3.25 mole toluene. At 298 K, the vapor pressure of the pure benzene and toluene were 96. Torr, and 28.9 Torr, respectively. At what pressure does the vapor phase appear first, if the pressure above this solution is reduced from 760 ...
*Monday, May 12, 2014 at 5:55am*

**chemistry**

Radioactive decay is a process that follows first-order kinetics. The half-life of 32P is 0.03920 years; how long (in minutes) would it take for the amount of 32P to decrease to 53.25% of its initial amount? I don't understand at all what to do here
*Sunday, May 11, 2014 at 9:29pm*

** algebra**

The first angle of a triangle is 23° more than the 2nd angle. The 3rd angle of a triangle is 6 times the 2nd angle. Use X to represent the unknown value
*Sunday, May 11, 2014 at 2:10pm*

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