Saturday

April 19, 2014

April 19, 2014

**Recent Homework Questions About First Aid**

Post a New Question | Current Questions

**Works Cited alphabetize**

I know that Works Cited pages go in alphabetical order according to the author's last name. How do you decide which work goes first when you have two works by two authors that have the same last name?
*Thursday, April 3, 2014 at 6:16pm*

**Biographical Essay Evaluation (Writeacher)**

Write a 3-paragraph Biographicl Essay. Discuss your experiences with summer: the things you enjoyed and the things you missed about school. What I have written: "A strong sense of freedom is one of my favorite things about summer. Setting in only once the school year has ...
*Thursday, April 3, 2014 at 4:18pm*

**spanish**

Actually, it is as soon as I see it! Please learn how to do accent marks on the computer. I can show you how if I know 2 things. 1. Do you have a PC or a Mac and 2. Do you have Windows or not? You have not asked for HELP because that means you attempt it and then I correct it...
*Thursday, April 3, 2014 at 2:56pm*

**social studies**

1. I don't know. a. Although Prohibition prevented the legal sale of alcohol, large numbers of people were against it. My mother-in-law, for instance never drank more than a glass of wine a year, yet made wine during Prohibition. b. The Charleston was considered an immoral...
*Thursday, April 3, 2014 at 2:27pm*

**geometry maths**

a circle of radius 1 is inscribed in a square. A smaller circle is tangent to two sides of the square and the first circle. Determine the radius of smaller circle and larger circle
*Thursday, April 3, 2014 at 1:24pm*

**Science - Check my answers**

1. Which of the following statements best defines tides? when waves get bigger because of an approaching storm the rise and fall of ocean water that occurs about every 12.5 hours **** the rise of ocean water that occurs 12 times a day a giant wave that can be extremely ...
*Thursday, April 3, 2014 at 1:21pm*

**math-urgent**

1. two cards are drawn from a standard of 52 cards. Find the probability that the second card is a spade given that the first card is a club. 2. Suppose you draw 3 cards from a standard deck of 52 cards . Find the probability that the third card is a club given that the first ...
*Thursday, April 3, 2014 at 11:49am*

**geometry **

a circle of radius 1 is inscribed in a square. A smaller circle is tangent to two sides of the square and the first circle. Determine the circumradius and inradius of the smaller circle
*Thursday, April 3, 2014 at 7:35am*

**statistics**

à manufacturer of computers designed to aid social scientists in analyzing research data clams that his computers are opérational for at least 80 percent of the time. during the course of the year one computer was operational for 270 days. test, 1 percent ...
*Thursday, April 3, 2014 at 6:47am*

**Probability**

We have k coins. The probability of Heads is the same for each coin and is the realized value q of a random variable Q that is uniformly distributed on [0,1]. We assume that conditioned on Q=q, all coin tosses are independent. Let Ti be the number of tosses of the ith coin ...
*Thursday, April 3, 2014 at 5:13am*

**Algebra**

heck, the answer to the 2nd part provides the answer to the first part: x y ∆y 1 3 2 10 7 3 29 19 4 66 37 5 127 61 6 218 91 as you can see, x has to increase less and less for y to double.
*Thursday, April 3, 2014 at 12:27am*

**Chemistry**

I don't know how accurate these are to be but as a first approximation they are as follows: Note that ........H2A ==> H^+ + HA^- and ........HA^- ==> H^+ + A^2- If you calculate H^+ from k1 (both acids) you obtain about 3.16E-4. That comes from k1 = (x)(x)/(0.1-x). ...
*Wednesday, April 2, 2014 at 11:52pm*

**english**

i am having troubles on what to right for the conflict and resolution can someone tell me what they are ? Thanks My Stepmother by Thanh Nguyen When my stepmother first came, her eyes were sharp and bright as little knives. Her youth and my childhood ran into each other - she ...
*Wednesday, April 2, 2014 at 10:50pm*

**Family**

The first two don't make a lot of money. When choosing a career, choose one that you'll enjoy doing for 30 or 40 years.
*Wednesday, April 2, 2014 at 8:42pm*

**chemistry**

"Write equations for the half-reactions that occur at the anode and cathode for the electrolysis of the following aqueous solution: CuBr2(aq)" Possible oxidation reactions: 1. 2Br- -> Br2 + 2e- = -1.09 2. 2H2O -> O2 + 4H+ + 4e- = -1.23 Possible reduction ...
*Wednesday, April 2, 2014 at 8:08pm*

**Equation help 2 questions**

You state the equation as a function, so to speak of real number solutions makes no sense. There are an infinite number of solutions, any ordered pair satisfying the equation would be one. You probably want the solution to -4x^2 + 7x - 8 = 0 in both cases, it depends on the ...
*Wednesday, April 2, 2014 at 7:03pm*

**PRE CALC**

The 20th term of an arithmetic sequence is 27 and the first term is -11. What is the common difference??
*Wednesday, April 2, 2014 at 7:01pm*

**Reading Skills**

I disagree. He stated his thesis in the first couple of lines.
*Wednesday, April 2, 2014 at 5:52pm*

**Calculus Help**

At a time of t min after the plane passed over the tracking telescope, let the horizontal distance be x km Let the angle of elevation be Ø Make a sketch, I get cot Ø = x/6 x = 6cotØ dx/dt = -6 csc^2 Ø dØ/dt when Ø = π/3 and d&...
*Wednesday, April 2, 2014 at 5:06pm*

**english**

Poem title, author Setting Characters Conflict(s) Resolution Rhyme or rhythm, pattern? on turning 10 You tell me it is too early to be looking back, but that is because you have forgotten the perfect simplicity of being one and the beautiful complexity introduced by two. But I...
*Wednesday, April 2, 2014 at 4:55pm*

**algebra 2**

subtract them : 30y^2 - 96x = 192 5y^2 = 32 + 16x back into the first: 16x^2 - (32+16x) = 64 16x^2 -16x - 96 = 0 x^2 - x - 6 = 0 (x-3)(x+2) = 0 x = 3 or x = -2 if x = 3, 5y^2 = 32+48 = 80 y^2 = 16 y = ± 4 if x = -2 5y^2 = 32-32 = 0 y = 0 so we have 3 points: (-2,0) , (3...
*Wednesday, April 2, 2014 at 4:15pm*

**Social Studies - Please Check my Answer**

Please check my answer, I am not sure for this one. In 1784 the British forced American merchants to pay duties on a. trade goods imported from the British West Indies. - (This is my answer.) b. trade goods imported through Canadian ports. c. British goods sold in America. d. ...
*Wednesday, April 2, 2014 at 4:00pm*

**Algebra II**

draw the lines for the equations For the first one, shade the area below the (dashed) line, since y is less than 2x-9 For the second one, shade the area above the (solid) line, since y is greater than or equal to 3-5x.
*Wednesday, April 2, 2014 at 3:46pm*

**UCF**

First find how many moles is 100.0g of butane. Divide 100.0g / 58.14. So 1.72 mol of butane=-5271J. The mol coefficient of butane C4H10 is 2. So multiply the mole of butane by the coefficient to get -1.817*104kj
*Wednesday, April 2, 2014 at 1:34pm*

**Math**

ignore the 2nd part of my answer to the above, the numbers don't even match. I cut and pasted from a previous solution but the numbers were not even the same Also note that even though 263 is a solution, it is one of an infinite number. But it said to find "a number&...
*Wednesday, April 2, 2014 at 12:23pm*

**Math**

A and B had an equal numbers of cupcakes at first. After B bought twice as many cupcakes as he had at first and A gave away 26 cupcakes, B had 6 times as many cupcakes as A. How many cupcakes did A have at first?
*Wednesday, April 2, 2014 at 9:37am*

**computer science**

My experience with younger students, to teach them to write is to first teach them to tell stories. Experience in developing cohesive stories, with enhaning descriptive tales, puts them into the mode of development of ideas. once this is mastered, they can now put ideas on ...
*Wednesday, April 2, 2014 at 9:11am*

**Probability**

Alice has two coins. The probability of Heads for the first coin is 1/3, and the probability of Heads for the second is 2/3. Other than this difference, the coins are indistinguishable. Alice chooses one of the coins at random and sends it to Bob. The random selection used by ...
*Wednesday, April 2, 2014 at 6:10am*

**Probability**

A defective coin minting machine produces coins whose probability of Heads is a random variable Q with PDF fQ(q)={3q2,0,if q∈[0,1],otherwise. A coin produced by this machine is tossed repeatedly, with successive tosses assumed to be independent. Let A be the event that ...
*Wednesday, April 2, 2014 at 6:10am*

**central texas college**

Can somebody help please!!!This is the first time that that I take a literature class, on English II in English and I can really use some help. I am taking English 1302, which is pretty much literature and the teacher told us to define some literacy terms, for example: ...
*Tuesday, April 1, 2014 at 10:41pm*

**not - trigonometry**

Why are you calling this trig ? assuming his first deposit is NOW end of 1st year: 1000(1.06) + 1000 = 2060 end of 2nd year: 2060(1.06) + 1000 = 3183.60 ... end of 5th year: .......... = 6637.09 fill in the rest using your calculator
*Tuesday, April 1, 2014 at 9:23pm*

**Science **

how does interdependence of organisms within an ecosystem aid survival in a temperate forest
*Tuesday, April 1, 2014 at 9:11pm*

**Math**

area of whole thing is 120x60 = 7200 ft^2 so half of that is 3600 ft^2 make a sketch showing the first run area of 1st run = 120x4 + 120x4 + 52x4 + 52x4 = 1376 leaving 2224 make a sketch of the remaining rectangle which is 112 by 52 area of 2nd run = 112x4+112x4+48x4+48x4 = ...
*Tuesday, April 1, 2014 at 8:55pm*

**trigonometry**

Sue invested $1000 at 6% per year compounded yearly.Find the values of joe's investment at the end of each of the first five years
*Tuesday, April 1, 2014 at 8:48pm*

**Math- urgent**

1st number --- x 2nd number --- y "The second of two numbers is five more than the twice first." ---> y = 2x+5 "the sum of the numbers is 44" ---> x+y = 44 x+y = 44 x + (2x+5) = 44 x + 2x + 5 = 44 3x = 39 x = 13 1st is 13, 2nd is 31 check: is 31 five ...
*Tuesday, April 1, 2014 at 8:44pm*

**algebra**

first one: add them, 2y = 6 y = 3 sub into the 2nd: (could have used the 1st, makes no difference) 2x - 3 = 1 2x = 4 x = 2 so x=2, y=3 do the 2nd one by adding them, follow my example
*Tuesday, April 1, 2014 at 8:41pm*

**Math- urgent**

The second of two numbers is five more than the twice first. The sum of the numbers is 44. Find the numbers. Show all work.
*Tuesday, April 1, 2014 at 8:22pm*

**Physics**

A stone is dropped at t = 0. A second stone, with 4 times the mass of the first, is dropped from the same point at t = 110 ms. (a) How far below the release point is the center of mass of the two stones at t = 410 ms? (Neither stone has yet reached the ground.) (b) How fast is...
*Tuesday, April 1, 2014 at 4:44pm*

**Chemistry**

I disagree that the half reaction method is easier in all circumstances; in fact, I think it is harder to do them this way for these three than straight trial and error. Let me illustrate on the last one. Here is what I do. C2H6O + O2 ==> CO2 + H2O I look and see 2C on the ...
*Tuesday, April 1, 2014 at 3:11pm*

**statistic**

Roll two 6-sided dice and examine their sum. a) How long will it take to roll "snake-eyes" (a pair of ones)? b) What is the probability of rolling a sum of 7 on the first roll? c) What is the probability of rolling a sum of 7 on the fourth roll? d) What is the ...
*Tuesday, April 1, 2014 at 2:55pm*

**probability**

first wrong and lastt?
*Tuesday, April 1, 2014 at 12:13pm*

**Math**

5. There was a drawing for a prize at the Columbus Day celebration downtown. The prize was a scale model of the Santa Maria carved from a single piece of wood by a local artist. It was a beautiful ship and Jose really wanted it. Each $2.25 ticket bought one chance in the ...
*Tuesday, April 1, 2014 at 11:34am*

**arithmetic**

Select the first five terms in the arithmetic sequence an = 4n, starting with n = 1.
*Tuesday, April 1, 2014 at 1:04am*

**math**

let the 3 numbers be a , b, and c, in order of size, c is the largest a+b+c = 36 c = 2a b = (a+c)/2 = (a+2a)/2 = 3a/3 back into the first a+b+c = 36 a + 3a/2 + 2a = 36 times 2 2a + 3a + 4a = 72 9a = 72 a = 8, then c = 16, and b = 12 Our 3 numbers are 8, 12, and 16 (all ...
*Monday, March 31, 2014 at 10:10pm*

**Math probability**

4+7+3+2 = 16 socks prob red first = 4/16 prob green second = 7/15 prob that happens = (4*7)/(16*15) prob green first = 7/16 prob red second = 4/15 so again (4*7)/(16*15) so in the end 2 * 4 * 7 / (15*16) = .233
*Monday, March 31, 2014 at 5:42pm*

**Math**

5. There was a drawing for a prize at the Columbus Day celebration downtown. The prize was a scale model of the Santa Maria carved from a single piece of wood by a local artist. It was a beautiful ship and Jose really wanted it. Each $2.25 ticket bought one chance in the ...
*Monday, March 31, 2014 at 5:35pm*

**Math**

Carefully read the first sentence in your problem. Then read the question.
*Monday, March 31, 2014 at 4:39pm*

**Math**

Each ticket bought is $2.25. Each ticket bought Gives one chance in the drawing. Jose Purchased 10 tickets. If there were 510 tickets Purchased in all, what is the probability that One of Jose's ticket's will be drawn first? 10/510 or1: 52 chance
*Monday, March 31, 2014 at 4:19pm*

**Math**

Each ticket bought is $2.25. Each ticket bought Gives one chance in the drawing. Jose Purchased 10 tickets. If there were 510 tickets Purchased in all, what is the probability that One of Jose's ticket's will be drawn first? 10/510 or1: 52 chance
*Monday, March 31, 2014 at 4:19pm*

**physics**

Light shines through a single slit whose width is 5.7 × 10-4 m. A diffraction pattern is formed on a flat screen located 4.0 m away. The distance between the middle of the central bright fringe and the first dark fringe is 3.9 mm. What is the wavelength of the light?
*Monday, March 31, 2014 at 2:44pm*

**science**

1. Use the diagram to answer question 1. description: particles have enough energy to break free from each other and can move around freely; particles spread out in different directions sketch: What kind of substance is described? (1 point) solid ...
*Monday, March 31, 2014 at 2:24pm*

**Statistics**

You will have to collect the raw data yourself. Find the mean first = sum of scores/number of scores Subtract each of the scores from the mean and square each difference. Find the sum of these squares. Divide that by the number of scores to get variance. Standard deviation = ...
*Monday, March 31, 2014 at 1:38pm*

**Math **

Find the probability of drawing the face card that is a spade on the first-draw replacing it and drawing a king card on the second draw
*Monday, March 31, 2014 at 11:56am*

**statistics**

first one 12/45 second on 11/44 12/45 * 11/44
*Monday, March 31, 2014 at 8:38am*

**CALC 2**

1 at start a eats 2/3 ** 1/9 *** 1/54 b eats 1/6 ** 1/36 ** 1/108 first line is geometric series 2/3 + 2/3(1/6) + (2/3)(1/6)^2 ... An = 2/3 +(1/6)^n-1 sum of that series = a/(1-r) = (2/3)/(1-1/6) = 2/3 /5/6 = 4/5
*Sunday, March 30, 2014 at 11:50pm*

**Calculus Help Please!!!**

Oh, I see f(x) = ln (1+x) df/dx = 1/(1+x) d^2f/dx^2 = -1/(1+x)^2 f(x) = f(0) + [1/(1+0)] x - x^2/2! ... f(x) = 0 + x - x^2/2 + ..... well at a first cut when is x^2/2 =.1 x? x/2 = .1 x = .2
*Sunday, March 30, 2014 at 10:13pm*

**physic**

Physicists claim that charge never flows through an ideal capacitor. Yet when an uncharged capacitor is first placed in series with a resistor and a battery, then current flows through the battery and the resistor. Explain how this is possible.
*Sunday, March 30, 2014 at 8:47pm*

**Chemisty**

It's the first time I ask this question on here actually.
*Sunday, March 30, 2014 at 7:14pm*

**more proofreading.**

this is another body paragraph to my research paper. can I get this one proofread as well thanks! Both Japan and the United States protect freedoms of speech and press by similar provisions in each nation’s constitution. For example, the First Amendment of the U.S. ...
*Sunday, March 30, 2014 at 6:39pm*

**US history**

I agree with your first and third answers.
*Sunday, March 30, 2014 at 6:35pm*

**math**

A salmon has to swim 25 miles upstream. It seems 7 miles each day and drifts 5 miles at night. How many days does it take for the salmon to first reach the 25 mile mark?)
*Sunday, March 30, 2014 at 5:15pm*

**physics**

What speed does the ball in the first question have in falling 3.5 s? ------------------- I told you in the first line, 34.3 m/s ------------------- in 4 sec d = .5 * 9.81 *16 = 78.5 meters so no
*Sunday, March 30, 2014 at 5:09pm*

**physics**

does this change the answer... the ball is dropped from the top of an 80-m-high building. does the ball reach the ground in 4.0 s? I got no, it falls only 78 m in 4.0 s What speed does the ball in the first question have in falling 3.5 s?
*Sunday, March 30, 2014 at 4:59pm*

**Math**

Let the number of played games in the first place be x. Total number of games is therefore x+15. Then 0.6x games were won in the first place. If the extra 15 will be won, then total games won is 0.6x+15=0.8(x+15). Solving this equation. Then solve for x in this equation. The ...
*Sunday, March 30, 2014 at 4:38pm*

**physics**

5000 meters in 20*60 = 1200 seconds Vi = 30,000 m / 3600 s = 83.3 m/s v = Vi + a t 0 = 83.3 + a (1200) a = - .0694 = - 6.94 * 10^-2 m/s^2 average velocity with constant acceleration = (first + last)/2 = 83.3/2 = 41.7 m/s
*Sunday, March 30, 2014 at 3:37pm*

**physics**

a race car traveling northward on a straight, level track at a constant speed travels 0.750 km in 20.0 s. the return trip over the same track is made in 25.0 s. a) what is the average velocity if the car in m/s for the first leg of the run? b) what is the average velocity for ...
*Sunday, March 30, 2014 at 3:13pm*

**US government**

Well, I guess our first choices are consistent :)
*Sunday, March 30, 2014 at 2:49pm*

**Math**

your class is conducting an experiment to study geometric sequences. The class forms a line. the first person takes a whole pizza,divides it in half, keeps half, and hands it to the next person. The next people in line do the same with there peices. Which portion does the ...
*Sunday, March 30, 2014 at 2:42pm*

**physics**

find the difference in PE in the two locations. Hold one charge stationary. PEtotal= kQQ/.1 PE(new total)=KQQ/.06 subtract the first from the second, that must equal the work done. There are more difficult ways to work this, involving finding work in an integral calculus ...
*Sunday, March 30, 2014 at 10:11am*

**math**

I did the exactly 7, follow my steps to get the others. On the less than three, do zero first, then exactly1, and exactly 2, then add those to get less than three.
*Sunday, March 30, 2014 at 10:05am*

**Finance**

PV = 10000(1 - 1.08)^-10)/.08 + 20000(1 - 1.08^-30)/.08 (1.08)^-10 = 171391.45 or pretend you are gettting 20,000 for 40 years - the 10,000 for the first 10 years = 20000(1 - 1.08^-40)/.08 - 10000(1 - 1.08^-10)/.08 = 171391.45
*Saturday, March 29, 2014 at 7:11pm*

**To Steve**

You could have added a posting to the original question. Anyway, There are 3 red marbles out of 9 total, so on the first draw, P(red) = 3/9 = 1/3 Without replacement, there are now 2 of 8 reds, so P(red) = 2/8 = 1/4 P(red,red) = 1/3 * 1/4 = 1/12 With replacement, both draws ...
*Saturday, March 29, 2014 at 5:39pm*

**physics**

The drawing shows three identical springs hanging from the ceiling. Nothing is attached to the first spring, whereas a W = 4.20-N block hangs from the second spring. A block of unknown weight hangs from the third spring. From the drawing, determine the spring constant (in N/m...
*Saturday, March 29, 2014 at 3:41pm*

**Physics**

The ship in the figure below travels along a straight line parallel to the shore and a distance d = 580 m from it. The ship's radio receives simultaneous signals of the same frequency from antennas A and B, separated by a distance L = 700 m apart. The signals interfere ...
*Saturday, March 29, 2014 at 1:28am*

**Finance**

10. A new factory at Arcata requires an initial outlay of $3.5 million to be paid immediately. The factory will last for eight additional years, after which it can be sold for a salvage value of $2,000,000. Sales will be $800,000 during the first year of operation and will ...
*Friday, March 28, 2014 at 10:38pm*

**Finance**

9. H Corporation is considering a training program that cost $600,000. Anticipated benefits are $60,000 in the first year, $75,000 in the second year, $85,000 in the third year, and $95,000 in the fourth year. Benefits will decline 8 percent a year after the fourth year, and ...
*Friday, March 28, 2014 at 10:37pm*

**Spanish**

The word order is what you need to see. When there is both a direct object pronoun and an indirect object pronoun, the indirect comes first, before the direct. Direct Object Pronouns: me, te, lo, la, nos, os, los, las Indirect Object Pronouns: me, te, le, nos, os, les. Note ...
*Friday, March 28, 2014 at 9:06pm*

**Calculus**

first http://www.wolframalpha.com/input/?i=plot++e^%28-5x^2%29 Then this for second derivative and graph https://www.wolframalpha.com/input/?i=second+derivative+of+e^%28-5x^2%29
*Friday, March 28, 2014 at 7:57pm*

**Calculus**

first http://www.wolframalpha.com/input/?i=plot++e^%28-5x^2%29
*Friday, March 28, 2014 at 7:52pm*

**Algebra**

For the first one, I can kinda see how I could factor v^2 + v - 12.. Would it look something like 2(v -6)? Which is like the numerator on the other side.
*Friday, March 28, 2014 at 5:44pm*

**CHEMISTRY**

First part. You have subtracted correctly and MASS of the water in the flask is 248.4 grams. Then since mass = volume x density you can rearrange that to volume = mass/density mass = 248.4g and density of the H2O is 1 g/mL (from the problem), then 248.4g/1 g/mL so volume is ...
*Friday, March 28, 2014 at 3:05pm*

**probability**

The probability that X is in the interval between x and x + dx is equal to dx. The proabability that Y is in the interval between y and y + dy is equal to dy. It then follows that the proability that X is in the interval between x and x + dx and Y is in the interval between y ...
*Friday, March 28, 2014 at 3:02pm*

**chemistry**

First determine the concn of HNO3 in the 19.0% stuff. 1.11 g/cc x 1000 cc x 0.19 x (1 mol/98 g) = estimated 2 mol/dm^3 Then use the dilution formula of c1v1 = c2v2 2*v = 2*3 Solve for v = approx 3 dm^3 Remember to recalculate all of the above.
*Friday, March 28, 2014 at 2:46pm*

**Algebra 2**

same idea as before, factor first, then divide, restrict what you divided by Again, I am putting in the brackets, they are extremely important here h(x)=(x^2-9)/(x^2-4x+3) = (x+3)(x-3)/(x-1)(x-3)) = (x+3)/(x-1) , x ≠ 3
*Friday, March 28, 2014 at 2:09pm*

**probability**

A fair coin is flipped independently until the first Heads is observed. Let K be the number of Tails observed before the first Heads (note that K is a random variable). For k=0,1,2,…,K, let Xk be a continuous random variable that is uniform over the interval [0,3]. The Xk...
*Friday, March 28, 2014 at 12:36pm*

**Math**

@Reniy: Yes those were the answers I came up with. I couldn't figure out what I was doing wrong, turns out I was doing the first one right and the second one was a bit off. Thank you for the help.
*Friday, March 28, 2014 at 11:23am*

**Criminal law**

1. The primary purpose of psychological profiling is to provide: A.the identity of an offender involved in a violent crime such as murder or sex crime. B. absolute information about an offender’s emotional and personality character traits and to immediately direct ...
*Friday, March 28, 2014 at 9:55am*

**Calculus**

As a first check, I went to http://www.wolframalpha.com/input/?i=2%E2%88%AB[3%2C4]+%282%2F3+%E2%88%9A%28x^2-9%29%29+dx and saw that they show the area as 2.28 So, I suspect there is an error in the problem or the answer. Your calculation appears to be correct, ...
*Friday, March 28, 2014 at 5:43am*

**Mathematics**

Give the first three terms of the sequence of 1.Tn+1=Tn+n
*Thursday, March 27, 2014 at 11:20pm*

**Math**

I was wondering if you can help me with math real quickly. I just cant figure this out. For the first question I have to find the surface area for the given cylinder. I have to use 3.14 and round to the nearest whole number. The radius is 6ft and the height is 20 ft. A. 180 ...
*Thursday, March 27, 2014 at 10:37pm*

**math**

Mrs. Jones and Mr. Graham had the same amount of money at first. After Mrs. Jones bought a computer that cost $2,055, she had 1/4 as much money as Mr. Graham. How much money did Mr. Graham have?
*Thursday, March 27, 2014 at 9:54pm*

**Persuasive Writing help**

I'm writing a persuasive request but English is not my native language. I've done many drafting and revising, but still not sure. so I would be grateful if you could show me what I did wrong and the correct way to revise it. Thanks "Dear xxx, I would like to ...
*Thursday, March 27, 2014 at 9:29pm*

**phys**

180
*Thursday, March 27, 2014 at 8:39pm*

**Calculus Help Please!!!**

I am going to assume it is algebra first take t = 0 at 1:30 T = Ti - k t Ti = 32.5 so T = 32.5 - k t 30.3 = 32.5 - k (1 hour) k = 2.2 so T = 32.5 - 2.2 t 37 = 32.5 - 2.2 t t = - 2.04 call it 2 hours so by that linear model 11:30 am now I will work on the more realistic ...
*Thursday, March 27, 2014 at 8:38pm*

**5th Grade Math**

No. Since he played half as many games, I'd predict he'd win half as many as he did for the first round.
*Thursday, March 27, 2014 at 8:05pm*

**5th Grade Math**

Since he won 12 out of 20 in his first games, how many games do you think he'll win in the next 10 games?
*Thursday, March 27, 2014 at 7:43pm*

**math-help!!**

oh okay thats for the first question i think but what about this question x^2-(y - z)^2 ??
*Thursday, March 27, 2014 at 7:04pm*

**Business Statistics**

First, arrange them in numerical order. 27, 29, 29, 41, 49, 59, 64, 79 The median number is the one in the middle. Since this set has two middle numbers (41, 49), the median is the average of those two numbers: 45
*Thursday, March 27, 2014 at 5:23pm*

**Calculus**

A weight oscillates in a vertical motion according to the position function y(t)=-5 cos(t). Assuming t≥0, when will the acceleration if the weight be zero for the first time?
*Thursday, March 27, 2014 at 2:51pm*

**science**

an you please solve the questions for me 1. 3 moles of pesticide of molecular mass 200 g/mole is applied to a closed system consisting of 20 m3 of water, 10 m3 of air, 1 m3 of sediment, and 0.001 m3 of fish. Determine the concentration and amount in both grams and mole units ...
*Thursday, March 27, 2014 at 2:24pm*

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