Wednesday

April 16, 2014

April 16, 2014

Post a New Question | Current Questions

**grammar**

In Which oneof the following sentences is the number written correctly? A.the parcel of land was advertised as two hundred forty-three and three-quarters acres.b.the college has an,endowment of more than $187million.c.john just paid $33 thousand forhis New car.d.one hundred ...
*Thursday, August 8, 2013 at 8:34pm*

**College Math**

If you can earn a 3% average return on your investments, how much invested capital must you have to earn $98000.00 per year. Round your solution to the nearest penny if needed
*Wednesday, August 7, 2013 at 11:01pm*

**Writing**

This time I hope I improve. Writing is a skill that must be practiced. In order to be good at writing I must read a lot, right? I won't survive in college if I am not able to write superfluos essays,right????? *Thank you,Writeacher for your patience. I know you might be ...
*Wednesday, August 7, 2013 at 12:53am*

**Writing**

I agree with writeteacher. An essay such as this will not reflect well on your thinking or writing ability. Your introductions stinks. Your logic stinks. You generalize everything, without justification. You continually offer opinions, without groundwork (not everyone agrees ...
*Tuesday, August 6, 2013 at 3:27pm*

**Dr. Bobb222**

You were more careful then I was as I child. Sometimes I would get careless, or I would just move to fast and not check my work; I do that a lot with my typing. I didn't start applying myself in school until my second year in college. Once I start applying myself, I ...
*Tuesday, August 6, 2013 at 2:35am*

**college algebra**

An advertising agency conducted a survey and found that the number of units sold, N, is related to the amount a spent on advertising (in dollars) by the following formula: N = 6,500 + 200 ln a (a ¡Ý 1) How many units are sold after spending $1,000? (Round your ...
*Monday, August 5, 2013 at 9:33pm*

**Writing**

Please grade, correct,and give feedbacks. Prompt: Colleges reward professors,who have significant research and teaching experience, with tenure. Once tenured, a professor holds his or her job without review and with little danger of being fired or replaced. Some people believe...
*Sunday, August 4, 2013 at 7:27pm*

**Writing**

Writeacher,when is the best time for me to post this so that you are available? Prompt: New laws are being proposed that would require schools to accommodate students who wish to transfer to a different school if the school falls below a certain level on statewide standardized...
*Sunday, August 4, 2013 at 12:28am*

**college**

None, apparently, since there are no sentences.
*Saturday, August 3, 2013 at 6:41am*

**college**

Regarding the punctuation of quotations, which of the following sentences is correct?
*Saturday, August 3, 2013 at 2:01am*

**Writing**

Writeacher, I need you to tutor me on writing essays. It is really important in college and as a high schooler it is extremely important to be solid at writing. I am struggling and need tutoring. What will the first lesson be? Thank you for your help and support. Have a great ...
*Friday, August 2, 2013 at 11:08pm*

**college algebra**

4 Melons=0.06 $ 1 Melon =0.06/4 $ 6 Melons= 6* (0.06/4) $ = ?? $
*Wednesday, July 31, 2013 at 3:17am*

**college algebra**

If 4 melons for $0.60, how much would 6 melons cost?
*Wednesday, July 31, 2013 at 1:38am*

**Statistics**

A researcher surveyed college students to study their opinion about the proposed change in smoking rules. The researcher asked a group of 30 students: 12 of them supported the change, 13 of them did not, and 5 had no opinion. This is not a binomial model because... A. ...the ...
*Monday, July 29, 2013 at 2:56pm*

**Spanish Literature**

SraJMcGin: I would like to ask a couple of questions so I can try to understand my assignment better. I am in a Spanish Literature course in College and would like to know some questions that I need answers to: 1. Which type of Spanish(1. Latin American Spanish, 2. Mexican ...
*Sunday, July 28, 2013 at 11:11am*

**College Physics**

An ice skater spinning with outstretched arms has an angular speed of 5.0\({\rm rad/s}\) . She tucks in her arms, decreasing her moment of inertia by 19\({\rm \%}\) . By what factor does the skater's kinetic energy change? (Neglect any frictional effects.)
*Thursday, July 25, 2013 at 9:50am*

**College Algebra**

.21x + .06y = -.21 .08x - .06y = .07 add the equations to eliminate y: .29x = -.14 ...
*Thursday, July 25, 2013 at 12:23am*

**College Algebra**

Solve system by method of elimination 0.07x + 0.02y =-0.07 0.08x - 0.06y = 0.07
*Wednesday, July 24, 2013 at 11:18pm*

**stats **

I am having a bit of trouble with the top half of the questions. I have an answer below for questions 5-10, is there anyway you can check those answers and help me with the rest I am having trouble with. Thank you. 1. The area to the right of 1.93 under Student's t-curve ...
*Monday, July 22, 2013 at 10:55am*

**stats**

I am having a bit of trouble with some of the questions. Some of the ones I put below have an answer, is there anyway you can check the answer and help me with the rest I am having trouble with. Your sociology teacher claims that 60 percent of American males are married. You ...
*Monday, July 22, 2013 at 10:55am*

**finance (math)**

You think that in 15 years it will cost $214,000 to provide your child with a 4-year college education. Will you have enough if you take $75,000 today and invest it for the next 15 years at 5%?
*Monday, July 22, 2013 at 8:51am*

**College Algebra**

4a - 2b + c = -15 a - b + c = -4 a + 2b + 4c = -40 y = -6x^2 - 7x - 5
*Sunday, July 21, 2013 at 7:55pm*

**College Algebra**

Find the equation of the parabola y = ax2 + bx + c that passes through the points. To verify your result, use a graphing utility to plot the points and graph the parabola. (−2, −15), (−1, −4), (1/2,-10) y=?
*Sunday, July 21, 2013 at 6:23pm*

**College Algebra**

student of fortune has closed so all the users are at aceyourcollegeclasses . co m
*Sunday, July 21, 2013 at 5:26am*

**college statistics**

student of fortune has closed so all the users are at aceyourcollegeclasses . co m
*Sunday, July 21, 2013 at 5:26am*

**Statistics**

I need help with this please. It is a multiple choice question, so choose one from a,b,c please. I believe the correct is c. What do you think? Ari lives about 10 minutes away from the college to which he intend to attend a summer seminar of 10 weeks. There are two main routes...
*Saturday, July 20, 2013 at 7:46pm*

**Calculus**

In a study conducted by a certain country's Economic Development Board, it was found that the Lorentz curve for the distribution of income of college teachers was described by the function f(x) = 13/14x^2 + 1/14x and that of lawyers by the function g(x) = 5\7x^4 + 2/7x. (a...
*Friday, July 19, 2013 at 7:31pm*

**Statistics Help !!!!**

Are my answers here correct ? Research questions for z test, t test for independent samples and t test for dependent samples : z test: "An investigator is interested in finding out whether the particular sample of college students is similar to or different from college ...
*Friday, July 19, 2013 at 2:08am*

**college statistics**

I am having a bit of trouble with the top half of the questions. I have an answer below for questions 5-10, is there anyway you can check those answers and help me with the rest I am having trouble with. Thank you. 1. The area to the right of 1.93 under Student's t-curve ...
*Thursday, July 18, 2013 at 12:10pm*

**college statistics**

I am having a bit of trouble with some of the questions. Some of the ones I put below have an answer, is there anyway you can check the answer and help me with the rest I am having trouble with. Your sociology teacher claims that 60 percent of American males are married. You ...
*Thursday, July 18, 2013 at 11:58am*

**college chemistry**

http://www.reference.com/motif/science/mechanism-of-bromination-of-acetanilide
*Wednesday, July 17, 2013 at 10:12pm*

**college chemistry**

I was wonder what bromine/glacial acetic acid solution is used for during the bromination of acetanilide reaction
*Wednesday, July 17, 2013 at 10:01pm*

**Calculus**

In a study conducted by a certain country's Economic Development Board, it was found that the Lorentz curve for the distribution of income of college teachers was described by the function f(x) = 13/14x^2 + 1\14x and that of lawyers by the function g(x) = 5\7x^4 + 2\7x (a...
*Wednesday, July 17, 2013 at 7:08pm*

**Statistics**

Are my answers here correct ? Research questions for z test, t test for independent samples and t test for dependent samples : z test: "An investigator is interested in finding out whether the particular sample of college students is similar to or different from college ...
*Wednesday, July 17, 2013 at 6:23am*

**Statistics**

Are my answers here correct ? Research questions for z test, t test for independent samples and t test for dependent samples : z test: "An investigator is interested in finding out whether the particular sample of college students is similar to or different from college ...
*Tuesday, July 16, 2013 at 6:19am*

**college trig**

arc/circumference = angle/360° 37.3/2πr = 108.03/360 2πr(108.03) = 37.3(360) r = 19.783 mm
*Monday, July 15, 2013 at 1:55pm*

**college trig**

find the radius of a pulley if rotating the pulley 108.03 degrees raises the pulley 37.3mm
*Monday, July 15, 2013 at 1:34pm*

**Statistics Help !! **

Are my answers here correct ? Research questions for z test, t test for independent samples and t test for dependent samples : z test: "An investigator is interested in finding out whether the particular sample of college students is similar to or different from college ...
*Sunday, July 14, 2013 at 1:03am*

**College Algebra**

since time = distance/speed, 1080/s + 5/2 = 1080/(s-6) s = 54 So, speed out = 54, sped back = 48 2160/(1080/54 + 1080/48) = 50.8 mph avg speed
*Saturday, July 13, 2013 at 7:14pm*

**College Algebra**

let u = t^1/3 so we have 16u^2 + 40u + 25 = 0 (4u+5)^2 = 0 so, 4u+5 = 0 u = -5/4 so the only solution is t = -∛(5/4)
*Saturday, July 13, 2013 at 7:08pm*

**College Physics**

v= 7 moles, T₁=300 K V₁=1000cm³= 10⁻³ m³ V₂=0.316•10⁻³ m³ W= {(vRT₁)/(γ-1)} •[1-(V₁/V₂)^(γ-1)]= γ=(i+2)/I =(3+2)/3 = 5/3 γ-1=5/3 -1 =2/3= 0.667 W=- {(vRT₁)/(&#...
*Saturday, July 13, 2013 at 5:21pm*

**College Physics**

ω₁= √(g/L₁) ω₂=√(g/L₂) 1.8 ω₁=ω₂ 1.8√(g/L₁)=√(g/L₂;) 1.8²g/L₁=g/L₂ L₂=L₁/3.24=10/3.24 = =3.086 ≈3.19 m = 309 cm
*Saturday, July 13, 2013 at 4:31pm*

**Psychology**

I need someone to review my five answers. Inform me if I am correct with my choices as well as correct me if I answered any of them wrong. Thank you! 1) If one wishes to become a professional counselor and has completed the educational requirements and achieved certification ...
*Saturday, July 13, 2013 at 4:23pm*

**College Algebra**

Start with (x-(-1/6))(x-(-8/9))=0 Multiply by 54 on both sides to get (6x+1)(9x+8)=0
*Saturday, July 13, 2013 at 3:42pm*

**College Algebra**

Find an equation that has the given solutions. (There are many correct answers.) -1/6, -8/9
*Saturday, July 13, 2013 at 2:54pm*

**College Physics**

Sorry, I meant 250 not 225. Either way its still not the correct answer..
*Saturday, July 13, 2013 at 2:41pm*

**College Physics**

A 7 kg mass hangs on a 10 meter long weightless cord. To the nearest cm, what should the new length of the pendulum be in order that the new frequency be 1.8 times its current value? The correct answer is 309 but I got 250. Heres what I did.. (1/2pi)(sqrt g/L2) = (2/2pi)(sqrt ...
*Saturday, July 13, 2013 at 2:29pm*

**College Physics**

7 Moles of a gas initially at temperature 300 K is compressed adiabatically from a volume of 1000 cm3 to a volume of 316 cm3. To the nearest tenth of a kJ what is the work done by the piston? (It is a monatomic ideal gas.) I have W = (3/2)nRT1(V1^(gamma-1) V2^(1-gamma) ...
*Saturday, July 13, 2013 at 2:18pm*

**College Algebra**

Find all solutions of the equation. Check your solutions in the original equation. (Enter your answers from smallest to largest. Enter NONE in any unused answer blanks.) 16t^2/3 + 40t^1/3 + 25 = 0
*Saturday, July 13, 2013 at 2:07pm*

**college stats (incomplete)**

Lacking needed data.
*Saturday, July 13, 2013 at 1:16pm*

**College Algebra**

A family drove 1080 miles to their vacation lodge. Because of increased traffic density, their average speed on the return trip was decreased by 6 miles per hour and the trip took 2.5 hours longer. Determine their average speed on the way to the lodge.
*Saturday, July 13, 2013 at 12:20pm*

**College Algebra**

You can factor out 5x(x-8)^1/3 to get 5x(x-8)^1/3 (2x + 3(x-8)) 5x(x-8)^1/3 (5x-24)
*Saturday, July 13, 2013 at 4:21am*

**College Algebra**

10x^2(x-8)^1/3 + 15x(x-8)^4/3
*Saturday, July 13, 2013 at 12:10am*

**college stats**

Again sorry for all the questions. please help, I am not good at stats and find these questions very difficult. I would appreciate an explanation if possible. 1.What is the sample average? 2.What is the SD of the box? 3.What is the number of draws from the box (the sample size...
*Friday, July 12, 2013 at 6:36pm*

**college stats**

Sorry for all the questions, I really need help and an explanation so I can fully understand. I really appreciate everything. Thank you. In a random sample of 519 judges, it was found that 285 had an introvert personality type. Construct a 95% confidence interval for the ...
*Friday, July 12, 2013 at 6:21pm*

**College stats **

Please help, I would appreciate an explanation on how you got the answer so I can understand it, being that I am so confused. The Denver Post stated that 80% of all new products introduced in grocery stores fail (are taken off the market) within 2 years. A grocery store chain ...
*Friday, July 12, 2013 at 6:16pm*

**incomplete---College Chemistry**

No table. No data. No equation.
*Friday, July 12, 2013 at 5:47pm*

**College Chemistry**

Based on a Kc value of 0.140 and the data table given, what are the equilibrium concentrations of XY, X, and Y, respectively?
*Friday, July 12, 2013 at 5:39pm*

**Calculus**

Four hundred students attended the dedication ceremony of a new building on a college campus. The president of the traditionally female college announced a new expansion program which included plans to make the college coeducational. The number of students who learned of the ...
*Friday, July 12, 2013 at 3:02pm*

**college stats**

2. 95% = mean ± 1.96 SEm SEm = SD/√n 3. 90% = mean ± 1.645 SEm 5. Z = (score-mean)/SEm Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability related to the Z ...
*Friday, July 12, 2013 at 11:28am*

**stats college**

Which one has the highest percentage?
*Friday, July 12, 2013 at 11:21am*

**college algebra**

let original base be b and height be h original area = bh/2 case1: new base = b+4 new height = h+4 new area = (b+4)(h+4)/2 = bh/2 + 42 bh + 4b + 4h + 16 = bh + 84 4b + 4h = 68 b+h = 17 #1 case2: new base = b-2 new height = h+3 new area = (b-2)(h+3)/2 = bh/2 + 5 bh + 3b - 2h - ...
*Friday, July 12, 2013 at 9:20am*

**college algebra**

if the altitude and the base of a triangle are each increased by 4 inches the area of the triangle will be increased by 42 square inches. if the altitude is increased by 3 inches and the base is decreased by 2 inches the area will be increased by 5 square inches. find the base...
*Friday, July 12, 2013 at 5:59am*

**college stats**

1. C 2. D 3. A
*Friday, July 12, 2013 at 1:19am*

**college stats **

help please!!! 1. The average number of bumped passengers per day on FliRite Airlines is 2.47 with a standard deviation of 1.75. For a random sample of 40 days, what is the chance the average number of bumped passengers in the sample is between 2 and 2.75? a. About 91% b. ...
*Friday, July 12, 2013 at 12:57am*

**college stats **

I am having a lot of trouble with these questions can anyone help me please. 2. On September 2, 2004, a Dan Jones poll based on a random sample of 408 Salt Lake County residents reported that 26% of the respondents thought that Mayor Nancy Workman should resign. Find a 95% ...
*Friday, July 12, 2013 at 12:54am*

**stats college**

Which of the following confidence intervals will be the widest? a. 90 percent b. 95 percent c. 80 percent d. 98 percent
*Friday, July 12, 2013 at 12:52am*

**College Algebra (Urgent)**

you have the formula. Just plug in your numbers: 260000 = x(40-0.0004x) now just solve the quadratic equation for x. First, decide whether to use 40 or 60.
*Thursday, July 11, 2013 at 10:25am*

**College Algebra (Urgent)**

The demand equation for a product is p = 60 – 0.0004x, where p is the price per unit and x is the number of units sold. The total revenue for selling x units is shown below. Revenue = xp = x(40 – 0.0004x) How many units must be sold to produce a revenue of $260,000...
*Wednesday, July 10, 2013 at 10:45pm*

**College 103 Chem**

How many mols do you need? That's M x L = 8.00 x 0.225 = ? Then mols = grams/molar mass. You know molar mass and mols, solve for grams.
*Wednesday, July 10, 2013 at 9:41pm*

**College 103 Chem**

How many grams of Sodium Phosphate would you need to make 225ml of 8.00M of stock solution? Thank you
*Wednesday, July 10, 2013 at 9:33pm*

**statistics**

Miller (2008) examined the energy drink consumption of college undergraduates and found that males use energy drinks significantly more often than females. To further investigate this phenomenon, suppose a researcher selects a random sample of n=36 male undergraduates and a ...
*Wednesday, July 10, 2013 at 3:02am*

**College Algebra**

We can't see your figure, but the Related question below looks similar to yours, except it has 200 m vs your 100m I am sure you can make the necessary changes. http://www.jiskha.com/display.cgi?id=1252969430
*Wednesday, July 10, 2013 at 12:02am*

**College Algebra**

since you "dropped" the coin , v = 0 so s = 16t^2 + 972 when it hits the ground, s = 0 16t^2 = 972 t^2 = 60.75 t = √60.75 = appr 7.79 sec
*Wednesday, July 10, 2013 at 12:00am*

**College Algebra**

Use the position equation given below, where s represents the height of the object (in feet), v0 represents the initial velocity of the object (in feet per second), s0 represents the initial height of the object (in feet), and t represents the time (in seconds), as the model ...
*Tuesday, July 9, 2013 at 11:52pm*

**College Algebra**

A rancher has 100 meters of fencing to enclose two adjacent rectangular corrals (see figure). The rancher wants the enclosed area to be 374 square meters. What dimensions should the rancher use to obtain this area? (Round your answers to 2 decimal places. Enter the smaller ...
*Tuesday, July 9, 2013 at 11:51pm*

**statistics**

Steven collected data from 20 college students on their emotional responses to classical music. Students listened to two 30-second segments from “The Collection from the Best of Classical Music.” After listening to a segment, the students rated it on a scale from 1 ...
*Tuesday, July 9, 2013 at 9:12pm*

**College Chemistry**

If we call barituric acid, HB, the equation is HB + NaOH ==> NaB + H2O, therefore, you can see that at the equivalence point we simply have the salt of barbituric acid so the pH will be determined by the hydrolysis of the salt. You need to know the concn of the salt. Since ...
*Tuesday, July 9, 2013 at 2:30pm*

**College Chemistry**

Calculate the pH at the equivalence point if 25.00 mL of 0.010M barbituric acid (HC4H3N2O3) is titrated with 0.020M NaOH. (Ka barbituric acid = 1.0 x 10^-5)
*Tuesday, July 9, 2013 at 2:03pm*

**socials 11**

Women were beginning to be more independent than their mothers. My mother was a young woman in the 1920s. Here skirts were shorter -- knee length and even above the knees. She sometimes wore slacks -- and (gasp) she had her hair cut short. She was also a college graduate and ...
*Tuesday, July 9, 2013 at 1:52pm*

**College Physics**

1. In a region of two-dimensional space, there are three fixed charges: +1 mC at (0, 0), −2 mC at (18 mm, -3 mm), and +3 mC at (-8 mm, 12 mm). What is the net force on the −2-mC charge? Find the magnitude and direction (counterclockwise from the x-axis).
*Tuesday, July 9, 2013 at 1:46pm*

**college algebra**

5^n+7+8=
*Monday, July 8, 2013 at 3:34pm*

**math**

14. Varsity Press, a publisher of college textbooks, received a $70,000 promissory note at 12% ordinary interest for 60 days from one of its customers, Reader’s Choice Bookstores. After 20 days, Varsity Press discounted the note at the Grove Isle Bank at a discount rate ...
*Sunday, July 7, 2013 at 11:37pm*

**Statistics - Help!**

I really really need help with this. Can someone please look at it and let me know. At 100 college campuses, 1200 full-time undergraduate students were surveyed on their credit card usage. Among juniors, 65% reported that they didn't have a credit card in their own name, ...
*Sunday, July 7, 2013 at 9:33pm*

**college algebra**

Is that x + (1/x) or (x+1)/x ?
*Sunday, July 7, 2013 at 4:28pm*

**Statistics**

At 100 college campuses, 1200 full-time undergraduate students were surveyed on their credit card usage. Among juniors, 65% reported that they didn't have a credit card in their own name, and 23% reported that they had at least one credit card in their own name and they ...
*Sunday, July 7, 2013 at 3:13pm*

**venns diagrams**

From a survey of 100 college students, a marketing research company found that 50 students owned iPods, 50 owned cars, and 20 owned both cars and iPods.
*Sunday, July 7, 2013 at 2:16pm*

**college algebra **

The following rational function describes blood concentration of a certain drug taken via IV over time: f(x)=x+1/x Find: a.the horizontal or oblique asymptote(s), if any, b.the vertical asymptote(s),if any, c. describe their possible meanings.
*Sunday, July 7, 2013 at 11:58am*

**College Algebra**

1 -1 -1 1 2 0 1 -3 -7 0 3 0 -2 2 10 6 2 4 5 9 -3Row1 + Row3 -6Row1 + Row4 How do I work this using a calculator I get so confused and I don't know where to go in order to input info.
*Saturday, July 6, 2013 at 10:46pm*

**College Algebra**

W(S) .07s + 2480
*Friday, July 5, 2013 at 4:54pm*

**College Algebra**

A pharmaceutical salesperson receives a monthly salary of $2480 plus a commission of 7% of sales. Write a linear equation for the salesperson's monthly wage W in terms of sales S. W(S) =
*Friday, July 5, 2013 at 4:36pm*

**graduate statistics**

Does computer-assisted instruction help community college health students with reading difficulties to learn reading skills at a faster than normal rate? A researcher arranged for one of these students to have access to a set of computer-learning programs instead of the normal...
*Wednesday, July 3, 2013 at 10:18am*

**curriculum content**

which one of the following schools is specifically intended for gifted and college-prep students ?
*Tuesday, July 2, 2013 at 5:11pm*

**College Algebra**

x is at lest 9 what is x
*Tuesday, July 2, 2013 at 4:04pm*

**Stats**

The incomes in a certain lg. population of college teachers have a normal distribution with a mean of $35,000 and st. dev. of $5000. Four teachers are randomly selected. What is the probability their average salary will exceed $40,000?
*Tuesday, July 2, 2013 at 2:59pm*

**psy/315**

A social psychologist asked 15 college students how many times they “fell in love” before they were 11 years old. The numbers of times were as follows: 2, 0, 6, 0, 3, 1, 0, 4, 9, 0, 5, 6, 1, 0, 2 Make (a) a frequency table and (b) a histogram. Then (c) describe the ...
*Monday, July 1, 2013 at 3:07pm*

**college algebra: probability and statistics**

Hmm. The way you asked it, the probability is 1. You have to roll an odd number or an even number!
*Monday, July 1, 2013 at 3:37am*

**College Physics**

A)2 b)5.7 C)87.7 D) 76.4 E)4.5
*Sunday, June 30, 2013 at 7:13pm*

**Writing**

As I reflected back<~~"back" is repetitive; the word "reflect" means to look back, so delete "back;" also you need to add a comma after "reflected" I realized that my friends got better grades than I did. (Otherwise, you're trying...
*Sunday, June 30, 2013 at 6:05pm*

**college algebra: probability and statistics**

50%
*Sunday, June 30, 2013 at 4:00pm*

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