Friday
April 18, 2014

Homework Help: College

Post a New Question | Current Questions

Music
I'm proud of you girls (women). I know it must have been tough to be homeschooled for all of those years. But I'm delighted that your sister is doing well in regular college. I'm sure you'll do well also.
Thursday, May 23, 2013 at 6:54pm

Music
Wow, you remember! I'm still doing homeschooling, finally glad to be done with it soon. I'm going to college in the fall to hopefully become a dental hygienist. my sister is still in college, almost done with her third year of majoring in education. :)
Thursday, May 23, 2013 at 6:43pm

math
BTW, I was a math major in college. Your original question gave no indication you wanted something in expanded form. If you want a good answer, you need to ask a good question. :-)
Thursday, May 23, 2013 at 3:03pm

College Algebra
R(x)=x^3-125/x^2-49
Thursday, May 23, 2013 at 3:52am

Frenchhhhhhhhhh
Please help! I have to replace 1- avez-vous eu DES CADEAUX pour votre anniversaire? 2- tu as des COURS DE FRANÇAIS tous les jours? 3-elles ont beaucoup D'AMIS au collége??
Wednesday, May 22, 2013 at 10:42am

final exam
a study shown that 20% of all college textbooks cost at least $70.it is known that the standard deviation of the prices of all college textbook is $9.50.assuming that prices of all college textbooks follow a normal distribution, find the mean price of all college textbooks.
Tuesday, May 21, 2013 at 8:46pm

College Algebra
If the cost of a cell phone has decreased 400% during the past 10 years, does that correspond to a cost decrease of four times? Explain your answer as though you were talking to someone who has never taken algebra.
Tuesday, May 21, 2013 at 4:22pm

Grammar (Ms. Sue)
Rewrite the sentences below that contain errors in pronoun-antecedent agreement. If a sentence is correct, write "correct." 1. Some of my friends wrote to NASA in their spare time to find out how to become an astronaut. 2. Either civilians or military personnel many ...
Monday, May 20, 2013 at 6:35pm

Grammar (Ms. Sue)
Rewrite the sentences below that contain errors in pronoun-antecedent agreement. If a sentence is correct, write "correct." 1. Max is learning skills that you need to be an astronaut. 2. Some of my friends wrote to NASA in his spare time to find out how to become an ...
Monday, May 20, 2013 at 5:37pm

Finance and literacy
A college professor's compensation package includes the total cost of a $350-per-month health insurance plan, the total cost of a $45-per-month life insurance plan, and a salary of $65,000 per year. What is the yearly value of the compensation package?
Monday, May 20, 2013 at 3:26pm

Math 208
nico is saving money for his college education. He invests some money at 6%, and $1400 less that that amount at 5%. The investments produced a total of $172 interest in 1 yr. how much did he invest at each rate?
Monday, May 20, 2013 at 1:46pm

college of cape town
A gas at 273 kelvin expands by 0,1 cubic metre if it is heated through 50kelvin. Calculate the original volume at constant pressure.
Saturday, May 18, 2013 at 4:09am

math
You want to have $85,000 college fund in 15 years. HOw much will you have to deposit now under the scenario below. Assume that you make no deposits into the account after the initial deposit An APR of 4% compounded daily. You should invest?
Thursday, May 16, 2013 at 7:43pm

Math
Kendall asked 40 randomly-selected seniors at his high school about their plans for after they graduated. Twenty-nine students said they planned to go to college. If there are 380 seniors at Kendall’s high school, estimate the number who plan to go to college.
Thursday, May 16, 2013 at 5:45pm

college algebra
for excellent graphing help, visit http://rechneronline.de/function-graphs/​ enter your function -(1/2)*x+1 and it will draw a nice graph. You can use it to play around with different functions at will, and explore how changes affect the picture.
Thursday, May 16, 2013 at 10:48am

college algebra
y = -(1/2)x + 1 is a straight line with slope -1/2 and y-intercept of 1 (4,2) is a point that does NOT lie on this line. What are you "solving" for ? To graph the line, use the y-intercept of (0,1) and any other point, e.g. let x = 4 y = (-1/2)(4) + 1 = -1, so ...
Thursday, May 16, 2013 at 8:02am

college algebra
graph y=-(1/2)x+1, (4,2) with steps to solve
Thursday, May 16, 2013 at 12:37am

college algebra
graph y=-(1/2)x+1, (4,2) with steps to solve
Thursday, May 16, 2013 at 12:29am

College Algebra HELP
f(x) = (2x+3)(x-1) / x(2x-7) So, the denominator is zero at x=0,7/2 making vertical asymptotes Top and bottom are both quadratics with x^2 coefficient=2, so there is a horizontal asymptote at y = 2/2 = 1 There is no y-intercept, because f(x) is not defined for x=0 It's ...
Thursday, May 16, 2013 at 12:11am

College Algebra HELP
Use the seven step method described in the book to graph the following rational function f(x)=(2x^2+x-3)/(2x^2-7x) 1) Determine the symmetry of the function 2) Find the y-intercept 3) Find the x-intercept 4) Find the vertical asymptotes 5) Find the horizontal asymptotes 6) ...
Wednesday, May 15, 2013 at 10:19pm

MATHS STATISTICS
sales manager was interested in determining if there is a relationship between college GPA and sales performance among salespeople hired within the last year. A sample of recently hired salespeople was selected and the number of units each sold last month recorded. The data, ...
Wednesday, May 15, 2013 at 8:22pm

MATHS STATISTICS
sales manager was interested in determining if there is a relationship between college GPA and sales performance among salespeople hired within the last year. A sample of recently hired salespeople was selected and the number of units each sold last month recorded. The data, ...
Wednesday, May 15, 2013 at 8:19pm

college algebra I
4v=68 v=68/4 v=17 Vanessa is 17 years old
Wednesday, May 15, 2013 at 6:32pm

College Algebra
hard to say what's wrong, since you don't say what you're trying to do. factor it? Rearrange things a bit: 3x^3 + 3x + 2x^2 + 2 3x(x^2+1) + 2(x^2+1) (3x+2)(x^2+1)
Wednesday, May 15, 2013 at 4:12pm

College Algebra
How do you work out this problem? 3x3 + 2x2 + 3x+2 I showed three different people my work an they said I did it wrong I am so confuse.
Wednesday, May 15, 2013 at 4:05pm

College Physics
the
Wednesday, May 15, 2013 at 8:43am

College Algebra! help!
a) g(g(x)) = g((3x-8)/(7-x) = [3(3x-8)/(7-x) - 8]/( 7 - (3x-8)/(7-x) ) = [ (9x-24-56+8x)/(7-x)] / (49-7x-3x+8)/(7-x)] = (17x - 80)/(57 - 10x) b) do this in the same way I just showed you c) let's take the inverse of f(x) let y = (7x+8)/(x+3) for the inverse, interchange ...
Tuesday, May 14, 2013 at 10:47pm

College Algebra! help!
Consider the following functions f(x)= (7x+8)/(x+3) and g(x)= (3x-8)/(7-x) (a) Find g(g(x)) (b) Find g(f(x)) (c) Determine whether the functions f and g are inverses of each other.
Tuesday, May 14, 2013 at 10:32pm

College algebra
Use the rational zeros theorem to find all the real zeros of the polynomial function. Use the zeros to factor f over the real numbers f(x)=9x^4+28x^3+66x^2+196x+21 Find the real zeros of f Use the real zeros to factor f f(x)=
Tuesday, May 14, 2013 at 6:25pm

College Algebra
For the given functions f and g, find the following and state the domain of each result. f(x)=√x;g(x)=7x-2 (a)(f*g)(x)= What is the domain of f*g? (b) (f/g)(x)= What is the domain of f/g?
Monday, May 13, 2013 at 5:28pm

college algebra i
generally the lesser value is written first -5 < x <= 1 In interval notation, x is in (-5,1]
Monday, May 13, 2013 at 3:54pm

college algebra i
x is less than or equal to 1 and greater than -5. how do i write this
Monday, May 13, 2013 at 3:25pm

college algebra I
4v = 68
Monday, May 13, 2013 at 3:07pm

college algebra I
68 is the product of Vanessa's age and 4. use the variable v to represent Vanessa's age. How do I write this expression
Monday, May 13, 2013 at 3:05pm

college Chemisrty
what's the 25.2??? is it a mass?
Monday, May 13, 2013 at 8:07am

college Chemisrty
at what kelvin temperature will 25.2 of xe occupy a volume of 645 L at pressure of 732 torr?
Monday, May 13, 2013 at 2:18am

College algebra
fraction remain = (1/2)^n where n is the number of half life half life = p/n where p is the period of decaying i.e. 47 years so, first find n (number of half life using the half life equation and then find the fraction remain. convert this fraction to % hope that helps
Sunday, May 12, 2013 at 7:48pm

College alegbra
The population P of a city has been increasing at an annual rate of 1.4%. It's population was 173 thousand in 1992. A. Find a formula for P(t), where t is the year and P is in thousands. B. Estimate the population in 2010, to the nearest thousand. C. In what year did the ...
Sunday, May 12, 2013 at 4:23pm

College algebra
The radioactive element has a half-life of about 28 years and sometimes contaminates the soil. After 47 years, what percentage of a sample of the elements remain?
Sunday, May 12, 2013 at 4:20pm

College algebra
Use the properties of logs to write the expression as one log: 8log(base 5)4th square root of x minus 4log(base 5) x
Sunday, May 12, 2013 at 4:18pm

ashford
16. Functional foods are those containing nutritional supplements in addition to natural nutrients. Examples include orange juice with calcium and eggs with omega-3. Kolodinsky, et al. (2008) examined attitudes toward functional foods for college students. For American ...
Sunday, May 12, 2013 at 10:25am

College Algrebra Math 133 unti 1 IP 1
W+5=L-5 P=2W+2L=80 2(L-5)+2L=80 you finish it.
Saturday, May 11, 2013 at 10:35am

College Algrebra Math 133 unti 1 IP 1
Suppose the width of a rectangle is 5 inches shorter than the length and that the perimeter of the rectangle is 80 inches. The formula for the perimeter of a rectangle is P=2L + 2W. Set up an equation for the perimeter involving only the L the length of the rectancle. And ...
Saturday, May 11, 2013 at 10:31am

AP government and politics
WASSAP HOMESKILLETSi need help.. so does anyone know how much we need to know about equilibrium expressions for the AP gov and pol exam?? because my friend told me his exam last year asked him about chemical equilibrium on his exam and im afraid i might be asked this question ...
Friday, May 10, 2013 at 2:11pm

College Chemistry 104
Oh dear, I am so stupid! Thank you. I can't believe that I didn't even realize that.
Friday, May 10, 2013 at 11:50am

College Chemistry 104
does student one need a salt bridge?
Friday, May 10, 2013 at 11:35am

College Chemistry 104
Students are attempting to construct a battery in the laboratory that will light up a light bulb. Compare the following lists prepared by students and determine which student will not be able to successfully build a "battery" that will light up the bulb. Student 1 ...
Friday, May 10, 2013 at 10:28am

Math
The number of professors in a college is p and the number of students is s, there are 16 times as many students as professors write an algebraic expression that shows the relationship.
Thursday, May 9, 2013 at 2:27pm

Math
5. The following random sample was selected : 4, 6, 3, 5, 9, 3. Find the 95% confidence interval for the mean of the population. 6. In a sample of 35 high school seniors, 14 of them are attending college in the fall. Find the 95% confidence interval for the true proportion of ...
Thursday, May 9, 2013 at 1:17pm

College Chemistry
When Aluminium is added to KOH then solution is?
Thursday, May 9, 2013 at 1:10pm

scholarship essay
What makes me deserving of this scholarship is my dedication to succeed, my work ethic, and leadership skills. Throughout my years in school I have always been recognized as a person that loves to be the best. People all over the world have dreams that never come true. One ...
Thursday, May 9, 2013 at 10:23am

Math
2500 students take a college entrance exam. The scores on the exam have an approximate normal distribution with mean u = 52 points and a standard deviation o = 11 points. Estimate the percentage of students scoring 52 points or more. ^ How would you do this?
Tuesday, May 7, 2013 at 11:25pm

College Chemistry 104
A voltaic cell consists of a Pb/Pb2+ half-cell and a Cu/Cu2+ half-cell at 25 C. The initial concentrations of Pb+2 and Cu+2 are 0.0500 M and 1.50 M, respectively. A. What is the initial cell potential? B. What is the cell potential when the concentration of Cu+2 has fallen to ...
Tuesday, May 7, 2013 at 11:50am

embryology
...Actually I strongly recommend that you go to the nearest college, go to its bookstore, and find the used textbook area. Many times you will find great books for under 5 dollars.
Monday, May 6, 2013 at 4:10pm

ENGLISH
5. Which one of the following sentences contains an unnecessary colon? A. Here's the question on all of our minds: Will our team be able to defeat their arch rivals tonight? B. My store list included: milk, soup, chicken, and ice cream. C. She wants one thing: a new job. ...
Monday, May 6, 2013 at 12:34pm

college physics
a water skier is being pulled by a tow rope attached to a boat. as the driver pushes the throttle forward,the skier accelerates. a 70.3kg water skier has an initial speed of 6.10m\s. determine the work done by the net external force acting on the skier.
Monday, May 6, 2013 at 11:21am

college algebra
i need help with elimination and substitution linear equation
Sunday, May 5, 2013 at 11:04pm

Math- Statistics
Suppose 60% of adults have a college degree. If I take a random sample of 80 adults, what is the probability at least 50% of them have a college degree?
Sunday, May 5, 2013 at 10:57pm

College Chemistry
I assume you are looking to predict the solution of the salt. yes Bob
Sunday, May 5, 2013 at 12:07pm

College Chemistry
Yes
Sunday, May 5, 2013 at 12:01pm

college Chemistry
oxygen nitrogen carbon dioxide
Sunday, May 5, 2013 at 11:56am

college Chemistry
What would you expect to be the chemical names of the main gases that were dissolved in the tap water?
Sunday, May 5, 2013 at 11:54am

college Chemistry
if conductivity increases, brightness increases.
Sunday, May 5, 2013 at 11:43am

college Chemistry
Conductivity test, what controls the brightness of the light? (hint: think about your tapwater abd NaCl results and why they were different)
Sunday, May 5, 2013 at 11:37am

College Chemistry
I assume you are looking to predict the solution of the salt. Very few ionic crystals are good conductors unless dissolved.
Sunday, May 5, 2013 at 11:07am

College Chemistry
What is its dissociation constant?
Sunday, May 5, 2013 at 11:01am

College Chemistry
What must we know a given ionic salt to be able to predict whether is is a good or poor conductor, w/o testing its conductivity?
Sunday, May 5, 2013 at 10:32am

college agebra
(3x^2 - 2x - 1)(x^2 + x + 5) = 3x^4 + 3x^3 + 15x^2 + -2x^3 - 2x^2 ..... etc (you should have 9 terms in this line) can you see what I am doing? it is just an expanded version of the old FOIL concept I am sure you can finish it There will be all kinds of like terms, make sure ...
Friday, May 3, 2013 at 10:20pm

college agebra
(3xsquared-2x-1)(xsquared+x+5)
Friday, May 3, 2013 at 9:08pm

college algebra
Solve: x^3-9x^2+20x-20<0 write answer in the interval form.
Friday, May 3, 2013 at 6:49pm

Statistics
1. A study of 40 people found that they could do on the average15 pull ups with a standard deviation of .6. Find the 99% confidence interval for the mean of the population. 2. A study of 50 pizza delivery workers found that they could make 6 deliveries per hour with a standard...
Friday, May 3, 2013 at 11:45am

statistics
A sample survey interviews an SRS of 263 college women. Suppose (as is roughly true) that 75% of all college women have been on a diet within the past 12 months. Using the Normal approximation, what is the probability (±0.001) that 82% or more of the women in the sample...
Thursday, May 2, 2013 at 10:48pm

Statistics
Assuming that the heights of college women are normally distributed with mean 66 inches and standard deviation 2 inches, what percentage of women are shorter than 72 inches?
Thursday, May 2, 2013 at 5:39pm

college chemistry
what is the correct answer for this?
Thursday, May 2, 2013 at 1:27am

college algebra
I can't log into your photobucket, (needs password) so I will "guess" at a diagram expanding and simplifying your equation I got y = (-1/625)x^ + 400 b) at the centre, x = 0 so y = 400 the bridge is 400 ft high width of bridge, let y = 0 (on the x-axis) 0 = (-1/...
Wednesday, May 1, 2013 at 9:26pm

college algebra
I have been stuck on this problem for over a week and I don't even know how to start the problem. Parabola equation y= 4(100 - x^2/2500) x and y are measured in feet A. Find the length of the road across the bridge B. find the height of the parabolic arch at the center of ...
Wednesday, May 1, 2013 at 9:07pm

Lincoln College Of New En
It has been found that 85.6% of all enrolled college and university students in tge united states are undergrates. A random sample of 500 enrolled college students in a paticular state revealed that 420 of them were undergrates. Is there sufficient evidence.to conclude that ...
Wednesday, May 1, 2013 at 2:53pm

math
Assume you do not know the population standard deviation. describe how you form a 90% confidence interval to estimate the population mean age for students at Westwood College Online.
Wednesday, May 1, 2013 at 10:01am

College chemistry
You're making this much harder than it is. Don't be intimidated by chemistry. The difference is 7.4-6.4 = 1.0, right? To convert pH to H3O^+, use pH = -log(H3O^+) 7.4 = -log(H3O^+) and 6.4 = -log(H3O^+). Solve each for H3O^+ and subtract these two numbers to find how ...
Tuesday, April 30, 2013 at 4:05pm

College chemistry
The pH of blood is 7.4 and that of saliva is 6.4. what is the difference in pH between these two solutions? How much more Hydronium ion (H3O+) is in the saliva than in the blood. I need a detailed answer with the formulas if you can. I have a hard time with chemestry
Tuesday, April 30, 2013 at 3:38pm

College Physics
1.4 m/s
Tuesday, April 30, 2013 at 12:35pm

Math
A national study reports that 20% of college freshman have GPA above 3.5. We wish to determine if the corresponding proportion is higher at a local university. To conduct the test we select a random sample of 100 freshmen and determine that 26 of them have GPA above 3.5. Run ...
Tuesday, April 30, 2013 at 11:39am

College Algebra and Number Theory
SETS Let S1, ... , Sn be sets satisfying the following condition: Sj ¡ö Sj+1 for all 1 ¡Â i ¡Â n - 1. Find S1 ¡û S2 ¡û¡¦ ¡ûSn and S1 ¡ú S2 ¡ú ¡¦ ¡&...
Sunday, April 28, 2013 at 7:51pm

Engineering
A physics major is working to pay his college tuition by performing in a traveling carnival. He rides a motorcycle inside a hollow transparent plastic sphere. After gaining sufficient speed, he travels in a vertical circle with a radius of 13.4 . The physics major has a mass ...
Sunday, April 28, 2013 at 11:16am

College Physics
A uniform meter stick of mass M has an empty paint can of mass m hanging from one end. The meter stick and the can balance at a point 19.9 cm from the end of the stick where the can is attached. When the balanced stick-can system is suspended from a scale, the reading on the ...
Saturday, April 27, 2013 at 10:55pm

Physics
just keep thinking you can figure it out it is a college course so i cant help you.
Saturday, April 27, 2013 at 9:53pm

Physics
just keep thinking you can figure it out it is a college course so i cant help you.
Saturday, April 27, 2013 at 9:52pm

randhills college life orientation
I need help its been a week but why cant u help me?
Saturday, April 27, 2013 at 7:11am

english
Questions about Avi(the author) Why was school a constant struggle for him? Avi kept writing because of the encouragement of his family and the help of whom? After college, what job did Avi take? where? When did Avi become interested in children's literature?
Friday, April 26, 2013 at 8:25pm

Lincoln College Of New En
If you really want an expert to help you, be sure to follow directions and type your subject in the School Subject box. Any other words, including obscure abbreviations, are likely to delay responses from a teacher who knows that subject well.
Friday, April 26, 2013 at 6:07pm

college pathology 2
igk
Friday, April 26, 2013 at 2:47pm

Lincoln College Of New En
A survey by Men’s Health magazine stated that 14% of men said they used exercise to reduce stress. Use a = 0.10. a random sample of 100 men was selected and 10 said that they used exercise to relieve stress. Use the P –value method to test the claim. Could the ...
Friday, April 26, 2013 at 2:05pm

Lincoln College Of New En
it has been found that 85.6% of all enrolled college and university students in the U.S. are undergraduates. A random sample of 500 enrolled college students in a particular state revealed that 420 of them were undergraduates. Is there sufficient evidence to conclude that the ...
Friday, April 26, 2013 at 1:43pm

Lincoln College Of New En
The percentage of physicians who are women is 27.9% in a survey of physicians employed by a large university health system, 45 of 120 randomly selected physicians were women. Is there sufficient evidence at the 0.05 level of significance to conclude that the proportion of ...
Friday, April 26, 2013 at 1:29pm

Lincoln College Of New En
the Old Farmer’s Almanac stated that the average consumption of water per person per day was 123 gallons. To test the hypothesis that this figure may no longer be true, a researcher randomly selected 16 people and found that they used on average 119 gallons per day and s...
Friday, April 26, 2013 at 1:22pm

Lincoln College Of New En
the average 1-ounce chocolate chip cookie contains 110 calories. A random sample of 15 different brands of 1-ounce chocolate chip cookies results in the following calorie amounts, at the a = 0.01 level, is there sufficient evidence that the average calories contents is greater...
Friday, April 26, 2013 at 1:15pm

college Mathematics
Thank you Steve
Friday, April 26, 2013 at 11:46am

college Mathematics
no, you are correct.
Friday, April 26, 2013 at 11:45am

college Mathematics
I am having problems with permutations what is 5P2 The answer I have is 20 am I wrong?
Friday, April 26, 2013 at 11:44am

College math
C(50,6) = 15,890,700
Friday, April 26, 2013 at 10:41am

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