Sunday

May 29, 2016
**math**

A company paid $48 for 2 cases of printer paper. Each case contained 12 packages of paper. Next month the company’s office manager needs to order 180 packages of the same paper. If the price per package does not change, what would be the total cost of next month’s ...
*Tuesday, May 3, 2016 by may*

**language arts**

The passage is The Miracle Worker by William Gibson. Kate. Miss Annie. Annie. No. Kate (a pause). It’s a very special day. Annie (grimly). It will be, when I give in to that. [She tries to disengage HELEN’S hand; KATE lays hers on ANNIE’S.] Kate. Please. I’...
*Tuesday, May 3, 2016 by megan*

**Maths**

Now suppose that the weight attached to the spring is pulled down a further 5cm from its equilibrium positions and released from rest. Show that newtons second law leads to the dynamic equation (in SI units) d^2z/dt^2 + 36z - g = 0 where z(t) measures the extension of the ...
*Tuesday, May 3, 2016 by Lisa*

**Statistics **

An unprepared student is about to take his first test of the semester. He is told that his test will be composed of 20 multiple choice questions, each with 4 possible answers, only one of which is correct. a.What is the probability that the unprepared student randomly guesses ...
*Tuesday, May 3, 2016 by Sam*

**math**

Due to inflation there were two demand increases. After the second increase the price for a certain item became twice as big as the original. By what percent was the first increase, if the second increase was 25%? can you solve this fast
*Tuesday, May 3, 2016 by Anonymous*

**mathematics **

6. In a GP the 3rd term is equal to four times the first term and the sixth term is equal to three times the fourth term plus 32. Determine the sequence.
*Tuesday, May 3, 2016 by patricia *

**mathematics **

evng .my teacher gave me this as a homework but i dnt undertand. 1.In a GP the 3rd term is equal to four times the first term and the sixth term is equal to three times the fourth term plus 32. Determine the sequence.
*Tuesday, May 3, 2016 by patricia *

**A.P**

The sum of 16th term is 240,the sum of the next four terms is 220.Find the first term and the common difference.
*Tuesday, May 3, 2016 by Whake*

**Math Please Help **

The graph above shows the number of students receiving A's in each grade at Bridgeport Middle School. Which statement is true? A: The scale on the first graph does not distort the lengths of the bars. B: The second graph shows greater changes in the number of A's than ...
*Tuesday, May 3, 2016 by #Blessed*

**Civics (Reed)(Check)**

Please check to see if I have answered the following questions as best as possible. Reed--I added more to #3. Will you check it for me please? 1. What information is being presented in the First Amendment of the U.S. Constitution? What facts are presented? A: Freedom of ...
*Tuesday, May 3, 2016 by Victoria*

**Math **

If d represents the measure of an acute angle,write an inequality to show the range of degrees. AT first I thought it was: d is less than 90 degrees, which is less than 180 degrees, but it was obviously wrong as explained by my teacher, thank you
*Monday, May 2, 2016 by Hannah Moraf*

**Math**

When looking at the problem given in the Video Example 84 –Factoring Out the Opposite of the GCF, located in the media section of Chapter 5, what GCF is first factored out of all terms in the expression
*Monday, May 2, 2016 by Donald *

**Probability **

A raffle offers a first prize of $1000, 2 second prizes of $300, and 20 third prizes of $10 each. If 15000 tickets are sold at 50cents each, find the expected winnings for a person buying 1 ticket.
*Monday, May 2, 2016 by HANDSON*

**History**

12.)Which answer correctly summarizes the accomplishments of Lucretia Mott? A.)Mott founded several temperance and abolition groups. B.)Mott drafted a constitutional amendment to give women the right to vote. C.)Mott authored the Declaration of Sentiments and helped found the ...
*Monday, May 2, 2016 by #FreeGucci*

**language arts**

The passage is The Miracle Worker by William Gibson. Kate. Miss Annie. Annie. No. Kate (a pause). It’s a very special day. Annie (grimly). It will be, when I give in to that. [She tries to disengage HELEN’S hand; KATE lays hers on ANNIE’S.] Kate. Please. I’...
*Monday, May 2, 2016 by lisa*

**History**

10.)Which of the following would best support the author's claim that more slaves were needed after the invention of the cotton gin? A.Examples of other inventions that affected slaves' lives B. Information related to the life and times of Eli Whitney C.Stories of the ...
*Monday, May 2, 2016 by #FreeGucci*

**math**

The decimal parts of the logarithms of two numbers taken at random are found to 6 decimal places. What is the probability that the second number can be subtracted from the first number without "borrowing" ?
*Monday, May 2, 2016 by urgently help needed please*

**Geography**

Which statement is correct? *Aborigines were the first people to settle Australia and New Zealand *Aborigines were the first people in Australia, and the Maori were the the first people in New Zealand *The Maori were the first people in Australia, and Aborigines were the first...
*Monday, May 2, 2016 by Maddie♥ *

**calculus**

I'm having trouble on this question: Find the area of the region in the first quadrant that is bounded above by the curve y= sq rt x and below by the x-axis and the line y=x -2.
*Monday, May 2, 2016 by Jay*

**English**

Read the following passage "I don't know anything," he said, "except that I'm beginning to be sorry we bought that room for the children. If children are neurotic at all, a room like that -" "It's supposed to help them work off their ...
*Monday, May 2, 2016 by Erin*

**English**

In this passage, what is the first indication that the story takes place in the future the parents hearing a roar of lions the parents denying their children the use of the rocket the parents complaining about their children the description of a room that can cure neuroses
*Monday, May 2, 2016 by Lynne*

**Science**

In which of these situations is convection most likely the main form of heat transfer? Warm air from a heater on the first floor of a house moves to the upper floors. The sides of a metal pan become hot when the pan is placed on a stove burner. A person gets a sunburn from ...
*Monday, May 2, 2016 by Anonymous*

**Civics (HELP!!!)**

Please check to see if I have answered the following questions as best as possible. This is going to be in a chart format, so I apologize if it's written a little messy. 1. What information is being presented in the First Amendment of the U.S. Constitution? What facts are ...
*Monday, May 2, 2016 by Victoria*

**Language Arts**

In Act II, Scene 4 of "A Christmas Carol: Scrooge and Marley", what are the two women and the man selling to Old Joe? A. items they stole from Scrooge's room after he died - (I believe it's this one.) B. items Scrooge gave them before he died C. items ...
*Sunday, May 1, 2016 by Anonymous*

**calculus**

Given the area is in the first quadrant bounded by y²=x, the line x=4 and the 0X What is the volume generated when this area is revolved about the 0X? the answer is 25.13 but I don't know how. help me please
*Sunday, May 1, 2016 by ced*

**Calculus**

One ship is sailing south at a rate of 5 knots, and another is sailing east at a rate of 10 knots. At 2 P.M. the second ship was at the place occupied by the first ship one hour before. At what time does the distance between the ships not changing?
*Sunday, May 1, 2016 by Sandra*

**Math**

The sum of the first three terms is 24 and the sum of the next three terms is 51. Find the first term and the common difference
*Sunday, May 1, 2016 by Anonymous*

**Algebra**

A fisherman traveled in a boat from point N upstream. After having traveled 6 km, he stopped rowing and 4 hour 30 min after first leaving N, he was brought back to N by the current. Knowing that the speed of the boat in still water is 90 km/hour, find the speed of the river&#...
*Saturday, April 30, 2016 by Chris Cook*

**Maths**

Two normads leaves camp at the same time,one walks 5km/h on a bearing of 39 degree and the other walks 7.5km/h on a bearing of 265 degree after 2 hours.how far are apart and what is the bearing of the second from the first?
*Saturday, April 30, 2016 by Bright ulubi*

**Maths**

Two normads leaves camp at the same time,one travel 5km/h on a bearing of 39 degree and the other travel 7.5km/h on a bearing of 265 degree.how far are apart and what is the bearing of the second from the first?
*Saturday, April 30, 2016 by Bright ulubi*

**Solid Mensuration**

one diagonal of a cyclic quadrilateral coincides with a diameter of a circle whose area is 36pi cm^2. If the other diagonal which measures 8cm meets the first diagonal at right angles, find the area of quadrilateral. Show your solutions
*Saturday, April 30, 2016 by Anonymous*

**Solid Mensuration**

one diagonal of a cyclic quadrilateral coincides with a diameter of a circle whose area is 36pi cm^2. If the other diagonal which measures 8cm meets the first diagonal at right angles, find the area of quadrilateral. Show your solutions
*Saturday, April 30, 2016 by Joy*

**math**

1.)There are 35 roses.7 of theme are white and the rest are red.how many red roses are there? 2.)There were 27 children in the classroom.several more children came.and there were 58 children in all.How many children came in? 3.)Marie picked 31 empty cans.lyn 5 cans fewer than ...
*Friday, April 29, 2016 by joshua quiban*

**History**

Pattern your letter like the Declaration of Independence, but be sure to write everything in your own words. In this way, you will show you understand the meaning of the declaration. In your letter, be sure to include the following: reasons for writing beliefs about government...
*Friday, April 29, 2016 by Anonymous*

**history (reed)**

.1 Which is an event of the progressive Era enacted by the local government in south Carolina? a. The first grange chapter was established for farmers b. The grandfather clause gave poor whites the right to vote c. Blacks were disfranchised through a poll tax d. A law ...
*Friday, April 29, 2016 by abstract*

**Social studies (Help Reed or Ms. Sue)**

Although (s)he was later forced into exile by Haiti's military, ______ became, in 1900, the first Haitian president to be elected democratically in many years. Francois Duvalier Toussaint L'Ouverture Vanesa Alonso Jean-Bertrand Aristide I think A or C
*Friday, April 29, 2016 by FluttershyK22*

**Physics**

A person is driving on a level road and see's a sign 180m ahead in the middle of the road. The person strikes the sign at a speed of 60km/h. If the person was travelling at 90km/h when the sign was first spotted what was the students perception-reaction time? How far back ...
*Friday, April 29, 2016 by momo*

**P.E.**

The first step in getting help for drug abuse is? detoxification withdrawal joining a therapeutic community recognizing the problem I was thinking D
*Friday, April 29, 2016 by FluttershyK22*

**Physics**

NASA wants to build a centrifuge to train its astronauts to handle the strong accelerations they will experience when the space shuttle lifts off. A composite material capable of withstanding a normal force of 120000N without rupturing is used to manufacture the base of the ...
*Thursday, April 28, 2016 by Kid*

**Math**

1. The figure represents the overhead view of a deck surrounding a hot tub. What is the area of the deck? Round to the nearest tenth. *IF You search this question it is the first link that comes up that has the image. It just doesn't give me a clear explanation and I need ...
*Thursday, April 28, 2016 by Tim*

**Social Studies, are they all right?**

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. ...
*Thursday, April 28, 2016 by Teddy*

**history**

1. Which is an event of the progressive Era enacted by the local government in south Carolina? a. The first grange chapter was established for farmers b. The grandfather clause gave poor whites the right to vote c. Blacks were disfranchised through a poll tax d. A law ...
*Thursday, April 28, 2016 by abstract*

**SOCIAL STUDIES**

1. which is an event of the progressive era enacted by the local government in South Carolina? a. the first grange chapter was established for farmers b. the grandfather clause gave poor whites the right to vote c. blacks were disfranchises through a poll tax d. a law ...
*Thursday, April 28, 2016 by help*

**8th grade math - system of equations**

I'm not sure how to solve these. Solve using any method (substitution or elimination) 23. The sum of two numbers is 27. The larger number is three more than the smaller number. What are the two numbers? Ans: l = large; s = small l + s =27 and l = 3S 3s + s =27 4s =27 4s/4...
*Wednesday, April 27, 2016 by Alexis*

**Math**

Emilio left Main Road at 8 A.M and arrived at Lame Lane at 2 P.M. His average for the whole journey was 60 mph. For the first 70% of the trip, he drove at an average speed of 65 mph. For the next 25% of the remaining trip, his average was 54 mph. Find his average speed for the...
*Wednesday, April 27, 2016 by Aly*

**PreCalc**

As you ride a bicycle, the distance between your foot and the pavement varies sinusoidally with the horizontal distance the bicycle has gone. Suppose that you start with your right foot somewhere between a high point and a low point, and push down. When you have gone 7 meters...
*Wednesday, April 27, 2016 by Katy*

**MATH PLS HELP**

19 WorkPad Note: In questions 19-21, remember to show all of the steps that you use to solve the problem. Be sure to use the text box where the question mark (?) first appears to show your mathematical work. You can use the comments field to explain your work. Your teacher ...
*Wednesday, April 27, 2016 by zed*

**Math "Need Help Asap"!**

1. Which of the following is an example of a dependent event? (1 point) A.flipping two coins B.rolling a number cube and spinning a spinner C.choosing two scoops of ice cream D.choosing a cookie at random, eating it, and then choosing another at random 2. Which of the ...
*Wednesday, April 27, 2016 by #FreeGucci*

**Math**

Given the geometric sequence: 26, 2617, 26289, ⋯ Find an explicit formula for an, where the first term is a1=26. an= Find a6= please help out
*Wednesday, April 27, 2016 by Anonymous*

**Algebra**

In an expedition to seize his enemy's elephants, a king marched 2 yojanas the first day. Say, intelligent calculator, with what increasing rate of daily march did he proceed, since he reached his foe's city, a distance of 80 yojanas, in a week? my answer is 22/7 but my...
*Wednesday, April 27, 2016 by yumi*

**U.S. History (Check, Please!)(REED)**

1. What was the Doolittle Raid? A: The Doolittle Raid was the first air raid by the United States on the Japanese capital Tokyo during WWII. Led by Lieutenant Colonel James Doolittle, this raid had to be executed twelve hours early due to the U.S. carriers being discovered by ...
*Wednesday, April 27, 2016 by Victoria*

**Algebra**

In an expedition to seize his enemy's elephants, a king marched 2 yojanas the first day. Say, intelligent calculator, with what increasing rate of daily march did he proceed, since he reached his foe's city, a distance of 80 yojanas, in a week?
*Wednesday, April 27, 2016 by Sam*

**algebra**

if 1, 2, 7 and 20, respectively, are added to the first terms of an arithmetic progression, a geometric progression of four terms is obtained. find the first term and common difference of the arithmetic progression the answers are both 3 .. but i don't know the solution, ...
*Wednesday, April 27, 2016 by Sam*

**Chemistry**

Which of the following will be more soluble in an acidic solution than in pure water? Ag2SO4 CuI RbClO4 AlPO4 Cd(OH)2 Is the answer the first and second?
*Wednesday, April 27, 2016 by Diana*

**algebra**

Please help!!! Ray and Kelsey have summer internships at an engineering firm. As part of their internship, they get to assist in the planning of a brand new roller coaster. For this assignment, you help Ray and Kelsey as they tackle the math behind some simple curves in the ...
*Tuesday, April 26, 2016 by Legend*

**Algebra Help me Please**

Someone please help me with this!!! Ray and Kelsey have summer internships at an engineering firm. As part of their internship, they get to assist in the planning of a brand new roller coaster. For this assignment, you help Ray and Kelsey as they tackle the math behind some ...
*Tuesday, April 26, 2016 by Riley*

**math**

Jenny must sit four papers for an exam. The mean of the first three papers Jenny has sat is 72%. (a)If she wants to get an overall mean of at least 75%,what is the lowest mark she can get in her fourth paper? (b) What is the highest possible mean she can get over all four ...
*Tuesday, April 26, 2016 by P*

**Biology**

1. Fill in the five levels of human body organization. AND 2. Place the five examples below in order from largest to smallest: You, Stomach, Epithelial Tissue, Digestive System, Parietal cells. ~~~~~~~ I don't know the first one but I think that the...
*Tuesday, April 26, 2016 by Astral Tellurian*

**math**

there are 7 runners on the track team.runners will be selected randomly for first,second,third and final positions on 4 member relay team. a)how many different relay teams can be formed? b)what is the probability that a runner at random is chosen to be in the relay team? I got...
*Tuesday, April 26, 2016 by Munna*

**American history**

Use the quotation and your knowledge of social studies to answer the following question. “Finally, in our progress toward a resumption of work we require two safeguards against a return of the evils of the old order; there must be a strict supervision of all banking and ...
*Tuesday, April 26, 2016 by fast help needed*

**maths**

The first four terms of an arithmetic sequence are 2, x-y, 2x+y+7 and x-3y where x and y are constants. Find the x and y and hence find the sum of the first 30 terms.
*Tuesday, April 26, 2016 by Anonymous*

**maths**

An arithmetic series has first term 5 and a common difference 7 a) write down the 4th term and the 23rd term b) find the sum of the first 38 terms of this series.
*Tuesday, April 26, 2016 by Anonymous*

**English**

"The Cask of Amontillado" Poe's use of a(n) _________________ narrator to tell the story heightens the uncertainty and sense of horror felt by the reader. No answer choices but I think the answer is first person?
*Monday, April 25, 2016 by Kaai97*

**Math PLZZZ HELP ME!!!!!**

experimental probability predict the number of times you will roll a 5 if you roll the number cube 300 times. 15•• 27 48 54 experimental probability that two out of the first three students to arrive at the school are girls. 1/5 1/4 2/5•• 1/8 Correct me
*Monday, April 25, 2016 by Brasil *

**Math **

2. Based on the experimental probability predict the number of times you will roll a 5 if you roll the number cube 300 times. 15•• 27 48 54 experimental probability that two out of the first three students to arrive at the school are girls. 1/5 1/4 2/5•• 1/...
*Monday, April 25, 2016 by Brasil *

**#3 Fitness (Check answers)**

1) The first step in the decision-making process is to brainstorm all possibilities (my answer) evaluate the result act realize there is a problem 2) Evidence that you have accomplished a goal is an example of which step in the SMART goal method? specific measurable achievable...
*Monday, April 25, 2016 by Rebecca*

**economics**

Part 1 A firm has the current liabilities and equity financing on its balance sheet. The firm has taxable income that puts it in a 38% federal tax bracket, and the state in which it operates levies a 6.5% income tax. Compute the firm’s weighted average cost of capital. ...
*Monday, April 25, 2016 by Tom*

**Math**

For the sequence an=6n+1, its first term is its second term is its third term is its fourth term is its 100th term is
*Monday, April 25, 2016 by Anonymous*

**Calculus II**

So I have Maclaurin series for sinx = ∑(-1)^n[x^(2n+1)]/(2n+1)!. I need to write out new series for sin(x^2). This will be equivalent to squaring the whole Maclaurin series of sinx, right? I'm just confused as to what terms are squared, and thus what the final ...
*Monday, April 25, 2016 by Justin*

**Texas history**

Dakhart and Stamford host reunions for? War veterans Descenddants of their first families local fraternities and sonorities cow hands who once worked in the area I think Its A am I right?
*Monday, April 25, 2016 by Help *

**Chemistry please help**

A general reaction written as 1A + 2B --> C + 2D is studied and yields the following data: Expt (A). (B) initial (C)/t 1. 0.150. 0.150. 8.00 x10^-3 2. 0.150. 0.300. 1.60 x10^-2 3. 0.300. 0.150. 8.00 x10^-3 What is the order of the reaction with respect to B? What is the ...
*Monday, April 25, 2016 by Rose*

**science**

The engine of 300kg dragster exerts an average of forward of 53000N over the first 20m of it's race.the dragster takes 0,8 sec to cover the first 20m calculate the work done by the engine
*Monday, April 25, 2016 by philani*

**geometric sequences**

given the geometric sequences:9 90/17, 900/289 find an explicit formula for an, where the first term is a1=9 an= a10=
*Monday, April 25, 2016 by Rosie*

**Writing Sentences and Paragraphs**

As an individual with experience performing office clerical duties and educated as a Library Technician, I am excited to apply for the position of Data Entry Clerk as advertised on the DC Comics website. I consider that my experience and skills match ver well with your ...
*Monday, April 25, 2016 by Ray*

**Urgent Plz Help?!?!?!?**

1. which factor contributed most to increase importance of literature in American culture during the 19th century? A.)the success of major social-reform movements B.)the spread of utopian communities throughout the nation C.)the migration of European intellectuals to the ...
*Monday, April 25, 2016 by Monica*

**Maths**

The sum of the first and second terms of an geometry series is 9.the sum to infinit is 12.calculate the possible values of r.
*Monday, April 25, 2016 by Andile*

**Health**

If someone is using tobacco products for the first time, what symptoms might you expect them to have? Brown stained fingers and teeth. (MY ANSWER) Dizziness. Lung cancer. Tooth decay.
*Monday, April 25, 2016 by LOVE*

**Social Studies**

which of the following were significant features of jimmy carter's political career? 1.he appointed many african americans to political office 2.he was the first president to come from georgia 3.he only held one political office in his career 4. he beat Ronald Regan in the...
*Monday, April 25, 2016 by Anastasia *

**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, April 25, 2016 by #FreeGucci*

**AP Calculus **

A race car is running practice laps in preparation for an upcoming race. To judge how the car is performing, the crew takes measurements of the car's speed S(t) (in miles per hour, or mph) every minute. The measurements are given in the table below. t (min) --- S(t) (mph 0...
*Monday, April 25, 2016 by Anonymous*

**math**

1.A milling machine has a gear that spins, making one complete rotation counter clockwise every 360 milliseconds. The gear has a tooth with a marker in it as shown in the diagram below. There is a sensor 30mm below the center of the gear as viewed from the diagram that ...
*Monday, April 25, 2016 by julian*

**Algebra**

What are the minimum, first quartile, median, third quartile, & maximum of the data set? 45, 76, 12, 39, 87, 65, 23, 32 A) min: 12 max: 87 first: 70.5 third: 27.5 med: 42 B) min: 12 max: 87 first: 27.5 third: 70.5 med: 42 C)min: 12 max: 87 first: 27.5 third: 76 med: 45 D) min...
*Monday, April 25, 2016 by GummyBears16*

**Algebra**

1.What are the minimum, first quartile, median, third quartile, and maximum of the data set ? 2,6,12,8,3,9,14,20 A. Minimum=2 Maximum=20 First quartile=3 Third quartile=14 Median=8.5 B. Minimum=2 Maximum=20 First quartile=6 Third quartile=12 Median=8 C. Minimum=2 Maximum=20 ...
*Monday, April 25, 2016 by GummyBears16*

**Brokport**

An investment of $180,000 was made by a business club. The investment was split into three parts and lasted for one year. The first part of the investment earned 8% interest, the second 6%, and the third 9%. Total interest from the investments was $8520. The interest from the ...
*Monday, April 25, 2016 by keisha *

**chemistry**

The first step in the process used to recover zinc metal from zinc sulfide ore is the reaction of zinc sulfide with oxygen gas to produce zinc oxide and sulfur dioxide. 2 ZnS(s) + 3 O2(g) → 2 ZnO(s) + 2 SO2(g) When the external pressure is 142700 Pa and the temperature ...
*Monday, April 25, 2016 by windal*

**math**

Ms. Tucker travels through two intersections with traffic lights as she drives to the market. The traffic lights operate independently. The probability that both lights will be red when she reaches them is .22. the probability that the first light will be red and the second ...
*Monday, April 25, 2016 by Jamie Johnson*

**Algebra**

The table shows the number of hours that a group of friends spent in their first week training to run a marathon. In the second week, they each add five hours to their training times. What are the mean, median, mode, and range of times for the second week? Jeff 9 Mark 5 Karen ...
*Sunday, April 24, 2016 by GummyBears16*

**Algebra 1**

Explain why the two equations below have the same solutions. x + 3y = −1 −2x − 6y = 2 A. The two equations have the same slope, so they have the same solutions. B. The second equation is a multiple of the first equation, so they have the same solutions. C. ...
*Sunday, April 24, 2016 by Sanjay Gupta*

**Math**

Given the geometric sequence: 19, 17111, 1539121, ⋯ Find an explicit formula for an, where the first term is a1=19. an= Find a6=
*Sunday, April 24, 2016 by Anonymous*

**Math, algebra 2**

You are stacking soup cans for a display in a grocery store. Your manager wants you to stack 120 cans in layers, with each layer after the first having one less can then they layer before it. One can should be in the top layer. If you use all 120 cans, how many cans should be ...
*Sunday, April 24, 2016 by Nook*

**Ic**

Write an application that prompts the user for two integers and then prompts the user to enter an option as follows: 1 to add the two integers, 2 to subtract the second integer from the first, 3 to multiply the integers, and 4 to divide the first integer by the second. Display...
*Sunday, April 24, 2016 by Souad*

**chemistry**

I posted a question several days ago: The pH of human blood needs to be between 7.35 and 7.45. You want to prepare a buffer solution that gives a pH of 7.40. You decide to use a sodium phosphate buffer: the acid is H2PO−4 and the conjugate base is HPO2−4 . You want...
*Sunday, April 24, 2016 by anon*

**math**

Two particles A and B of mass 5kg and 9kg respectively rests on the smooth faces of a fixed wedge .They are connected by a light inextensible string passing over a smooth pulley at C and are released from rest.In the subsequent motion B hits the ground and does not rebound. a...
*Saturday, April 23, 2016 by morgan*

**Law and ethics**

You are in charge of General Hospital’s compliance program. As part of the Hospital’s orientation program, you provide an overview of the compliance program to new employees. Things to consider: The concept of compliance has been a feature of health care for decades...
*Saturday, April 23, 2016 by Anonymous*

**Calculus **

A race car is running practice laps in preparation for an upcoming race. To judge how the car is performing, the crew takes measurements of the car's speed S(t) (in miles per hour, or mph) every minute. The measurements are given in the table below. t (min) --- S(t) (mph 0...
*Saturday, April 23, 2016 by Anonymous*

**Chemistry**

A flask initially contains 2.00 atm of NH3, 2.00 atm of N2, and 3.00 atm of H2 at 673 Kelvin. -What is the delta G for the reaction? -What is the equilibrium partial pressures of each gas at 673 Kelvin? So I figured out how to do the first question with relevant values: : ...
*Saturday, April 23, 2016 by Chris*

**algebra**

Select the first five terms in the geometric sequence an=(3)n−1, starting with n=1
*Saturday, April 23, 2016 by jim*

**sequence**

Select the first five terms in the arithmetic sequence an = 4n, starting with n =
*Saturday, April 23, 2016 by jim*

**English**

1. First, cut up all the vegetables and chicken. 2. First, cut all the vegetables and chicken. ------------------- Why is 'up' used in Sentence 1? Can't we omit 'up' as in Sentence 2?
*Friday, April 22, 2016 by rfvv*

**Chemistry**

Which of the following has the highest boiling point? (Think of intermolecular forces) CHCl3, CH4, CH2Cl2, CH2I2, CHBr3, CHI3 Ive tried to answer this question twice and have one attempt left. Here's what I've done: CHCl3 -Boiling Point: -61.2 Degrees C -Molar Mass: ...
*Friday, April 22, 2016 by Kiana*