Thursday

March 26, 2015

March 26, 2015

**Recent Homework Questions About First Aid**

Post a New Question | Current Questions

**Math**

Q. As a project,the fifth grade students at Scott Elementary School collected newspaper to recycle. During the first week, they collected 212 pounds of newspapers. For each of the next four weeks,they doubled the previous week's amount of the newspaper collected. What was ...
*Friday, December 5, 2014 at 9:22pm*

**English help please**

1. Which of the following passages from the text identifies a key event in the plot? A. "... I'll buy your unexpired time. I think between us we could make some fine things- you and I." The boy flushed. To think the great Paul Revere wanted him... B. His feet ...
*Friday, December 5, 2014 at 7:38pm*

**Math please check**

I know the answer to the first one is "e" and the answer to the second one is "a "but I have no idea why please explain how to do these two problems. I am very confused with this new method. Thank you! The “Cobb-Douglas” productivity function for ...
*Friday, December 5, 2014 at 3:19pm*

**Calculous (Finding Zeros!)**

y = (x^2+2x-5) (x^3+3x^2-40x) Find the zeros ( 5 total zeros ) x = x = x = x = x = So would it be easier for me to distribute first then factor the whole mess out to find the x-intercepts that are the zeroes?. Or. factor (x^2+2x-5) and (x^3+3x^2-40x) and find the zeroes?
*Friday, December 5, 2014 at 2:09pm*

**Calculus Please Help**

Can you please explain these two questions to me? Suppose the population size of a predator is given by P (x) = 0.006x2 + 0.005x, where x represents the population of its prey. If the population of the prey is 10,000 at the first of January and is reduced to 6,000 by May 1 of ...
*Friday, December 5, 2014 at 12:41pm*

**Catering**

6. At a party, it's sometimes permissible for serving personnel to A. smoke, provided they don't do so in view of the guests. B. become part of the party if they know some of the guests. C. take home any leftovers that remain. D. sample the buffet items before the ...
*Friday, December 5, 2014 at 12:27pm*

**programming**

Hi, please help me with this question. Write a program to assign passengers seats on a train journey that travels from Paris to London. Assume the train consists of (78 seats distributed amongst different classes) with the following specifications: 3 classes, 13 rows and 6 ...
*Friday, December 5, 2014 at 10:57am*

**business finance**

Your client is 40 years old, and she wants to begin saving for retirement, with the first payment to come one year from now. She can save RM5,000 per year, and you advise her to invest it in the stock market, which you expect to provide an average return of 9 percent in the ...
*Friday, December 5, 2014 at 4:24am*

**Quantitative Business Analysis**

John runs a florist shop in a small Arkansas town and had to borrow $170,000 to start up the shop. He was able to borrow some from the state business development office at 4% but the rest he had to borrow from a "friend" who charged him 8%. The first year John paid $...
*Friday, December 5, 2014 at 3:23am*

**Quantitative Business Analysis**

John runs a florist shop in a small arkansas town and had to borrow $170,000 to start up the shop. He was able to borrow some from the state business development office at 4% but the rest he had to borrow from a friend who charged him 8%. The first year John paid $9800 in ...
*Friday, December 5, 2014 at 3:18am*

**Math**

John runs a florist shop in a small arkansas town and had to borrow $170,000 to start up the shop. He was able to borrow some from the state business development office at 4% but the rest he had to borrow from a friend who charged him 8%. The first year John paid $9800 in ...
*Friday, December 5, 2014 at 3:00am*

**Calculus question please explain**

I know the answer to the first one is "e" and the answer to the second one is "a "but I have no idea why please explain how to do these two problems. I am very confused with this method. Thank you! The “Cobb-Douglas” productivity function for a ...
*Friday, December 5, 2014 at 1:36am*

**Algebra **

(-5a^2 / b^3)^-1. For a = -4. B= 2 I know you plug in the numbers for a and b but don't know what to do after this is my first time trying a problem like this .
*Thursday, December 4, 2014 at 11:10pm*

**algebra 1**

A chemist has one solution containing 30% insecticide and another solution containing 50% insecticide. How much of each solution should the chemist mix to get 200 L of a 42% insecticide? My teacher explained how to set up the problem: 3x+5y=84 x+y=200 what I dont get is why ...
*Thursday, December 4, 2014 at 10:46pm*

**Math**

A taxi charges $1.00 for the first mile and $.20 for an additional 1/6 of a mile. How far can you travel for $5.00.
*Thursday, December 4, 2014 at 8:07pm*

**Child Development **

1) The recording method that's most useful in discovering the causes or results of a child's behavior is A. rating scale. ￼B. time sampling. C. event sampling. D. checklist. 2) One way a teacher can help a child stand up for her rights is A. making other ...
*Thursday, December 4, 2014 at 7:57pm*

**s.s**

Before the battle of Trenton, why did many patriot leader leaders want to make their enemy attack first rather than attacking first... A) their actions could then be justified B) Their supplies would last longer C) They could make a quicker retreat. is it A
*Thursday, December 4, 2014 at 5:35pm*

** S.S 6th grade american revolution**

As a result of the first Continental Congress.. A) Colonists agreed to obey most of Britain's rule B) the declaration of right was created. C) king George agreed to go along with most of the colonist demand I think it letter b
*Thursday, December 4, 2014 at 3:58pm*

**social studies help as soon as possible**

3. which of the following does not describe part of the intolerable acts? boston's port was closed there was a tax on molasses there were limited town meetings colonists had to quarter british i think this choice c soldiers in their homes. 4. which of the following was not...
*Thursday, December 4, 2014 at 2:00pm*

**Math**

My math teacher said to use the FOIL (First Outer Inner Last) property to simplify these quadratic equations I have made from looking at two parabolas. Here are my equations & how would you use the FOIL property on each of the equations and also can someone help me with ...
*Thursday, December 4, 2014 at 1:06pm*

**social studies**

1. which of the colonies was not a response of the colonies to the tea act?. a tea ships were sent back to britian in protest b the tea was confiscated and sold later c crates of tea were dumped into the water d colonists made a profit because of the monopoly by britian i ...
*Thursday, December 4, 2014 at 12:44pm*

**accounts**

Diane Gobin is the founder and manager of Gobin's World. Diane has approached the local bank for a loan to expand her business. As part of the loan application, Diane was asked to prepare Financial Statements for the business. She prepared the following balance sheet and ...
*Thursday, December 4, 2014 at 7:54am*

**Improving Writing- REVISED VERSION**

Background Ten years ago, you started working as a clerk for DMD Medical Supplies. Six months ago, Liz Jakowski, the human resources director, promoted you to office manager. You manage two employees: Jack Snyder and Ruth Disselkoen. Your office provides secretarial support ...
*Thursday, December 4, 2014 at 4:14am*

**math**

Find the area of the region in the first quadrant that is below the parametric curve? the parametric curves are x = t^3 + 6t y = 4t - t^2 any help would be greatly appreciated. Thanks!
*Wednesday, December 3, 2014 at 10:15pm*

**Math **

The square root of h is greater than 10/3 and less than 24/5. How many integer values of h satisfy this condition? I think the first step would be to square each fraction so 100/9 and 576/25 and then see which whole numbers are between. Am I on the right track?
*Wednesday, December 3, 2014 at 10:09pm*

**Finance**

A manufacturing company is thinking of launching a new product. The company expects to sell $950,000 of the new product in the first year and $1,500,000 each year thereafter. Direct costs including labor and materials will be 45% of sales. Indirect incremental costs are ...
*Wednesday, December 3, 2014 at 7:06pm*

**Pre-Calc/Trig...**

The nth term of a geometric sequence is given by an = 1/4(4)^n-1. Write the first five terms of this sequence.
*Wednesday, December 3, 2014 at 12:10pm*

**English**

Which of the following sentences uses the word skeptically correctly? a.)The teacher was trusted by her students, and as a result, they learned their lessons skeptically. b.)I was confident I’d gotten every question right and handed in my test skeptically. c.)Seeing the ...
*Wednesday, December 3, 2014 at 11:52am*

**Improving writing **

Background Ten years ago, you started working as a clerk for DMD Medical Supplies. Six months ago, Liz Jakowski, the human resources director, promoted you to office manager. You manage two employees: Jack Snyder and Ruth Disselkoen. Your office provides secretarial support ...
*Wednesday, December 3, 2014 at 8:26am*

**ENGLISH**

Love is a surgeon Love can cut into your flesh like a scalpel Love can operate upon your heart Love can circumcise you Perhaps you don't believe it But i know. Love operates Upon your skin, your hair, your gait For Love there is no remedy Except the surgeon's scalpel...
*Wednesday, December 3, 2014 at 4:48am*

**math**

help: Two travelers start simultaneously in two cities A and B, and go to meet each other. The part of A walk 1 km on the first day , the second day 2 km , 3 km on the third day , and so on. The part of B walk 20 miles the first day, the second day 18 km , 16 km on the third ...
*Tuesday, December 2, 2014 at 9:57pm*

**calculus 2**

Find all points of intersection of the given curves. (Assume 0 ≤ θ ≤ 2π. Order your answers from smallest to largest θ. If an intersection occurs at the pole, enter POLE in the first answer blank.) r = 1 − cos θ, r = 1 + sin θ
*Tuesday, December 2, 2014 at 8:32pm*

**Chemistry**

For which of these elements would the first ionization energy of the atom be higher than that of the diatomic molecule? helium oxygen carbon lithium Please explain why and thanks
*Tuesday, December 2, 2014 at 6:22pm*

**precal Arithmetic progression**

The fifth term of an arithmetic series is 12 and the eighth term is 3. Find the sum of the first 6 terms and also of the first 11 terms. T5=a+4d=12 T8=a+7d=3 -3d=9 d=-3
*Tuesday, December 2, 2014 at 1:18pm*

**English**

“Well that’s sculpture, making a ’74 Toyota look like a ’63 Corvette, only I didn’t think of it that way... I was doing good work, and I was making good money. A. to prepare the reader for a change in topic. B. to show Ramirez’s pride in ...
*Tuesday, December 2, 2014 at 10:56am*

**language arts**

When Louise Meyer was five years old, her mother took her to a science museum. That day, young Louise encountered her first snakes, and she's been fascinated with the reptiles ever since. Meyer now breeds snakes for educational programs. She takes her slinky friends to ...
*Tuesday, December 2, 2014 at 12:23am*

**language arts **

Avalanches happen in a series of stages. First, while the temperature is cold and there is a heavy snowfall, the snow will stick to the ground. Suppose that what happens next is that the air temperature changes after the snow has fallen. Then, a layer of the snow may weaken. ...
*Monday, December 1, 2014 at 10:53pm*

**American History**

1. Reagan embraced the idea that through tax incentives the private sector would shift its resources from tax shelters to productive investment. This theory is referred to as A. supply-and-demand economics. B. neofederalism. C. deficit economics. D. supply-side economics. 2. ...
*Monday, December 1, 2014 at 10:11pm*

**Chemistry**

An electron is excited from the n=1 ground state to the n=3 state in a hydrogen atom. Which of the following statements are true? Correct the false statements to make them true. A. It takes more energy to ionize (completely remove) the electron from n=3 than from the ground ...
*Monday, December 1, 2014 at 10:00pm*

**Language Arts**

Suppose this selection is an excerpt from a biography. Which of the following changes would make it fiction rather than nonfiction? A. Transforming it into a first-person account by Louise B. Transforming it into a dialogue between Louise and a snake C. Transfroming it into a ...
*Monday, December 1, 2014 at 9:11pm*

**mathematics**

In an ap d sum of d 1st ten terms is 50 nd d fifth term is 3times the 2nd term.find the first nd d sum of d 1st 20 terms
*Monday, December 1, 2014 at 8:53pm*

**Language Arts**

When Louis Meyer was five years old, her mother took her to a science museum. That day, young Louis encountered her first snakes, and she's be fascinated with the reptiles ever since. Meyer now breeds snakes for educational programs. She takes her slinky friends to schools...
*Monday, December 1, 2014 at 8:51pm*

**Language Arts**

When Louis Meyer was five years old, her mother took her to a science museum. That day, young Louis encountered her first snakes, and she's be fascinated with the reptiles ever since. Meyer now breeds snakes for educational programs. She takes her slinky friends to schools...
*Monday, December 1, 2014 at 8:37pm*

**government**

What is the tripartite view of political parties? Has this model become outdated? If so, why? i got the first part the second part id
*Monday, December 1, 2014 at 8:15pm*

**math**

Q. As a project,the fifth grade students at Scott Elementary School collected newspapers to recycle. During the first week,they collected 212 pounds of newspapers. For each of the next four weeks,they doubled the previous week's amount of newspaper collected. What 6th was ...
*Monday, December 1, 2014 at 7:18pm*

**Language Arts**

Passage A Avalanches are caused by a variety of conditions. When the temperature is cold and snow falls, the snowsticks to the ground. However, when the air temperature changes, the snow may slide away in pieces or slabs. Basically an avalanch happens when the gravity of snow ...
*Monday, December 1, 2014 at 6:15pm*

**Language Arts**

Passage A Avalanches are caused by a variety of conditions. When the temperature is cold and snow falls, the snowsticks to the ground. However, when the air temperature changes, the snow may slide away in pieces or slabs. Basically an avalanch happens when the gravity of snow ...
*Monday, December 1, 2014 at 5:58pm*

**Language Arts**

Passage A Avalanches are caused by a variety of conditions. When the temperature is cold and snow falls, the snowsticks to the ground. However, when the air temperature changes, the snow may slide away in pieces or slabs. Basically an avalanch happens when the gravity of snow ...
*Monday, December 1, 2014 at 5:54pm*

**Language Arts**

Passage A Avalanches are caused by a variety of conditions. When the temperature is cold and snow falls, the snowsticks to the ground. However, when the air temperature changes, the snow may slide away in pieces or slabs. Basically an avalanch happens when the gravity of snow ...
*Monday, December 1, 2014 at 5:46pm*

**Science IPS**

A mass of 10 g of sodium nitrate is dissolved in 10cm3 of water at 80 degrees (c). As the solution is cooled, at what temperature will a precipitate first appear?
*Monday, December 1, 2014 at 5:22pm*

**Math**

What is the first step in solving the equation? 3/4 divided by 2/3 Is the answer multiply
*Monday, December 1, 2014 at 5:22pm*

**english **

Whenever Richard Cory went down town, We people on the pavement looked at him: He was a gentleman from sole to crown, Clean favored, and imperially slim. And he was always quietly arrayed, 5 And he was always human when he talked; But still he fluttered pulses when he said, &...
*Monday, December 1, 2014 at 11:48am*

**english**

The night has a thousand eyes, And the day but one; Yet the light of the bright world dies With the dying sun. The mind has a thousand eyes, 5 And the heart but one: Yet the light of a whole life dies When love is done. The Rhyme Scheme of the first 4 lines of this poem is: (...
*Monday, December 1, 2014 at 11:33am*

**corrections**

The 1910 case of weems v. United states was unique in what respect? a. it was the first time the Supreme court invalidated an excessive penalty. b. it was the only time the supreme court held that no penalty is excessive if evenly applied. c. it was the first time the supreme ...
*Monday, December 1, 2014 at 10:42am*

**Policing**

The due process model of criminal justice asserts all of the following except: a. the gov. job is to maximize freedom and opportunities for all citizens which included protecting people from undue gov. influence b. all suspects are innocent until proven guilty c. the due ...
*Monday, December 1, 2014 at 9:34am*

**Maths**

The nth term of a series is 2^n-1 +5n. Find the sum of the first n terms. (Hint: This is an expression in terms of n).
*Monday, December 1, 2014 at 6:49am*

**Maths**

The first term of an AP is 12 and that of a GP is 6. The common difference and the common ratio are equal, so as are the sum of the fist 3 terms. Find the possible values of the common difference?
*Monday, December 1, 2014 at 6:07am*

**band essay-Ms. Sue**

Who wouldn’t want the chance to go to Puerto Rico? I have been excited for this band trip opportunity since it was introduced last winter. A once in a lifetime opportunity to share my love of music and explore another culture is an eyeopening experience! I believe I am a ...
*Monday, December 1, 2014 at 12:08am*

**English (Reunion by John Cheever)**

In John Cheever's story reunion, what do the restaurants symbolize. Why does Charlie call hi father daddy at the end of the story? Examine the first and last sentences of the story. What is common and why? How do you interpret the ending of the story? Does Charlie accept ...
*Sunday, November 30, 2014 at 10:33pm*

**Chemistry**

Bromine has two naturally occurring isotopes, the first of which is 79Br with a mass of 78.904 amu and an abundance of 50.54%. Calculate the mass of the other isotope.
*Sunday, November 30, 2014 at 8:12pm*

**English (Urgent)**

In John Cheever's story reunion, what do the restaurants symbolize. Why does Charlie call hi father daddy at the end of the story? Examine the first and last sentences of the story. What is common and why? How do you interpret the ending of the story? Does Charlie accept ...
*Sunday, November 30, 2014 at 8:07pm*

**@Vanessa: Re: Comm/215**

I deleted your original questions and answers. Here are my responses. Comm/215 - Ms. Sue, Sunday, November 30, 2014 at 4:45pm I've checked the first 10 and they are all right. Is # 11 a comma splice? If I have time, I'll come back and check more of your answers. Comm/...
*Sunday, November 30, 2014 at 7:49pm*

**English**

1. I heard the news at first hand. 2. I heard the news at second hand. 1-1. I heard the news directly. 2-2. I heard the news indirectly. --------------- Are they interchangeable? What is the meaning of 'hand' in the sentences?
*Sunday, November 30, 2014 at 7:37pm*

**Math Stats**

The following data represent the age (in weeks) at which babies first crawl based on a survey of 12 mothers. 52, 30, 44, 35, 47, 37, 56, 26, 35, 35, 52, 52 __________________________________________________________________________ Construct a 95% confidence interval for...
*Sunday, November 30, 2014 at 7:26pm*

**CALC 1**

Suppose that h is a function with h'(x) = xe^x. Find all intervals where the function h is concave up. Now, I understand that concavity is determined by the second derivative, so what my question here is, is it just taking the first derivative and then taking it again? Is ...
*Sunday, November 30, 2014 at 1:57pm*

**physics PLEASE HELP **

An air column open at one end only is increased in length. The air column first resonates with a given turning fork when the length of the air column reaches 20 cm. The next two consecutive lengths that will resonate with the same tuning fork will measure.
*Saturday, November 29, 2014 at 4:22pm*

**Maths**

Hi everyone. I've been struggling with the following maths question for a while and I'm not sure where I went wrong. 2(3x/5 - 1) = 10 and I need to solve for x I first tried turning everything into fractions over 5 but that gave me the answer of 10/3 which I know is ...
*Saturday, November 29, 2014 at 12:23am*

**Alg !**

What is the sum of the first 4 terms of the arithmetic sequence in which the 6th term is 8 and the 10th term is 13?
*Friday, November 28, 2014 at 11:25am*

**history 911**

1. Which accurately describes the action taken by colonists in response to Parliament’s passage of the Intolerable Acts? A. They held the First Continental Congress. *** B. They formed an emergency government and elected a president. C. They created a continental army led...
*Thursday, November 27, 2014 at 11:42pm*

**algebra**

A goldsmith has two gold alloys. The first alloy is 30% gold; the second alloy is 80% gold. How many grams of each should be mixed to produce 10 grams of an alloy that is 40% gold? amount of 30% gold ___ g amount of 80% gold ___ g
*Thursday, November 27, 2014 at 7:29pm*

**math**

The 3rd term of a geometric progression is nine times the first term.if the second term is one-twenty fourth the 5th term.find the 4th term. solution ar^2=9a r=sqr of 9 r=3.pls help me on how to get the first term(a)
*Thursday, November 27, 2014 at 2:17pm*

**math**

The third term of a geometric progressiom is nine times the first term.if the second term is one-twenty fourth the fifth term.find the fourth term.ar^2=9a. r=sqr of 9 r=3.pls teach me how to get the first term and i can get the 4th term myself
*Thursday, November 27, 2014 at 11:37am*

**English**

Hey, can someone help me out how to use punctuation in this sentence please. 'I was aware that the medicaments and therapeutics are a heavy subject and I remembered how overloading this topic seemed to me when I was in first year myself hence I was eager to make the ...
*Thursday, November 27, 2014 at 8:49am*

**english**

"Why I refused." at first i think it's a fragment.. but i'm confused because it has a subject "I" and a verb "refused".. So what's the correct answer?
*Thursday, November 27, 2014 at 7:09am*

**math**

find twonumbers such that the sum of twice the first and thric the second is 92 and four times the exceeds seven times the second by 2
*Thursday, November 27, 2014 at 4:49am*

**Language Arts**

from "Harriet Tubman: Conductor on the Underground Railroad" by Ann Petry. 1 That first winter in St. Catharines was a terrible one. Canada was a strange frozen land, snow everywhere, ice everywhere, and a bone-biting cold the like of which none of them had ever ...
*Wednesday, November 26, 2014 at 6:49pm*

**Math**

What is the first step in solving the equation 3/4 divided by 2/3
*Wednesday, November 26, 2014 at 5:09pm*

**Math Help! ASAP!**

2. Write a ratio for the situation in three ways comparing the first quantity to the second quantity. In union City, about one in every three homes has two cars A. 5 to 2, 5:2, 5/2 B. 1 to 3, 1:3, 1/3 C. 5 to 3, 5:3, 5/3 D. 3 to 2, 3:2, 3/2 I picked D. I dont know if its ...
*Tuesday, November 25, 2014 at 2:19pm*

**math**

The cost of printing the first fifteen hundred copies of a book is $1500. It costs y dollars to print each subsequent copy. The cost of printing the first 7500 copies of the book is $7080. Find Y. Please explain how to solve it.
*Tuesday, November 25, 2014 at 5:38am*

**Calculus**

The sales of Universal Instruments in the first t years of its operation are approximated by the function S(t) = t 0.96t2 + 25 where S(t) is measured in millions of dollars. What were Universal's average yearly sales over its first 5 years of operation?
*Tuesday, November 25, 2014 at 1:05am*

**Pre algebra**

My problem says The cost of a cell phone for one month is a linear function of the numbers of minutes used. The total cost for 20, 35, and 40 additional numbers Re shown. Then it gives a table where it's 20/48$, 35/54$ and 40/56$ The first question is , Find the linear ...
*Monday, November 24, 2014 at 10:42pm*

**Math - ratio**

Mr. Rahim had the same amount of money in his three bank accounts at first. He deposited $44 into account b and $ 80 into account c. In the end, the ratio of the amount of money in ac!@#$%^& a to the amount of money in account c was 2:7. How much money was there in account b ...
*Monday, November 24, 2014 at 8:17pm*

**Essay Excerpt Edit**

Can someone edit this? Please be forewarned that its a first draft so I am aware that it is not developed yet. Any feedback would help a lot. Clearly, Jason Russell's Kony 2012 campaign proves how YouTube has altered our understanding of creativity from the change that ...
*Monday, November 24, 2014 at 4:40pm*

**c++**

You have been tasked to implement a program that manipulates a list of clients’ information. The client information consists of client’s phone number, first name, last name, and age. The list is not sorted in any particular order. Furthermore, you are given the ...
*Monday, November 24, 2014 at 3:07pm*

**c++**

#include <iostream> #include <string> using namespace std; string getClientDatabase(); int main() { string data = getClientDatabase(); // TODO: // Implement a function that parses clients data into proper containers // Implement a function that finds the youngest ...
*Monday, November 24, 2014 at 3:05pm*

**business math**

Family Flowers employs 17 people, of whom 14 earn gross pay of $640 each and 3 earn gross pay of $720 each on a weekly basis. What is the employer<s share of total social security and Medicare taxes for the first quarter of the year? The tax rate for security is 6.2% and ...
*Monday, November 24, 2014 at 11:18am*

**statistics**

You have a face-to-face statistics class in the traditional classroom setting. There are 25 males and 45 females enrolled. You’re the instructor so you like to arrive in the classroom before the first students arrive. What is the probability that the first student who ...
*Sunday, November 23, 2014 at 6:35pm*

**6th Grade Math Homework Check**

In the first hour after opening, a coffee shop used 5 2/3 pounds of unflavored coffee. The shop used 2 1/2 times as much flavored coffee as unflavored. How many pounds of flavored coffee did the shop use? My Answer: 14 1/6
*Sunday, November 23, 2014 at 5:40pm*

**chemistry**

I have to calculate the ΔV= final volume-initial volume For the first trial the final volume was .005mL the initial volume was .03mL, which equaled to -.025mL. The volume was negative because it was exothermic reaction. For the second trial the final volume was 0.015 and ...
*Sunday, November 23, 2014 at 1:10pm*

**Maths**

Hi, have completed a whole worksheet but the challenge involves finding the first five terms from the following terms: a) 3n^2 - 2 b) 2n^2 - 4 I have no idea how to go about this so any guidance would be greatly appreciated! Thanks
*Sunday, November 23, 2014 at 11:55am*

**Math (trig)**

The distance from home plate to dead center field in a certain baseball stadium is 409 feet. A baseball diamond is square with a distance from home plate to first plate base 90 feet. How far is it from first base to dead center field? I also need help setting this up.
*Sunday, November 23, 2014 at 1:58am*

**mechanics**

Drops of water leak from a tap 2m above the basin at regular intervals.As the first drop strikes the basin the fourth drop starts its fall.what is the spacing between the drops 1and 2,drop 2and3,drop 3and4 at this instant.
*Sunday, November 23, 2014 at 1:37am*

**MTH LIBERAL ARTS**

Evaluate the expression. Determine the number of combinations of 7 things taken 4 at a time. & Mark can remember only the first 4 digits of his friend's phone number. He also knows that the number has 7 digits and that the last digit is not a 0. If Mark were to dial all of...
*Sunday, November 23, 2014 at 1:04am*

**Chemistry**

A student was given a 2.45 g of impure potassium sulfate (K2SO4) sample. He dissolved this sample in 100 mL of water first and then added some barium chloride (BaCl2) solution. A 2.15 g of BaSO4 precipitate was obtained at the end of the reaction. What is the percent purity of...
*Saturday, November 22, 2014 at 10:41pm*

**Chemistry **

I have an assignment. It has two boxes to model the particles of the same gas at different temperature (18 and 45 degrees Celsius). I have to write two or three sentences relating the temperature, the average kinetic energy, and the motion of the particles in the two boxes. ...
*Saturday, November 22, 2014 at 10:27pm*

**physics**

A skier of mass 70.4 kg, starting from rest, slides down a slope at an angle $\theta$ of 36.8° with the horizontal. The coefficient of kinetic friction is 0.14. What is the net work, i.e. net gain in kinetic energy, (in J) done on the skier in the first 8.4 s of descent?
*Saturday, November 22, 2014 at 9:54pm*

**physics**

A skier of mass 70.4 kg, starting from rest, slides down a slope at an angle $\theta$ of 36.8° with the horizontal. The coefficient of kinetic friction is 0.14. What is the net work, i.e. net gain in kinetic energy, (in J) done on the skier in the first 8.4 s of descent?
*Saturday, November 22, 2014 at 9:54pm*

**physics**

A skier of mass 70.4 kg, starting from rest, slides down a slope at an angle $\theta$ of 36.8° with the horizontal. The coefficient of kinetic friction is 0.14. What is the net work, i.e. net gain in kinetic energy, (in J) done on the skier in the first 8.4 s of descent?
*Saturday, November 22, 2014 at 9:53pm*

**word problem**

suppose a car rental charges 94 dollars for the first day and 44 dollars for each additional or partial day.let S(x) represent the cost of renting a car for x days .find the value of S(5.5)
*Saturday, November 22, 2014 at 9:30pm*

**English**

What are the benefits of having a first person narrator in The Fall of The House of Usher by Edgar Allan Poe What is the significance of the lake, fissure in the wall, and Usher's sister in the short story?
*Saturday, November 22, 2014 at 2:58pm*

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