Monday

October 20, 2014

October 20, 2014

Post a New Question | Current Questions

**math**

Barry heard in his Personal Finance class that he should start investing as soon as possible. He had always thought that it would be smart to start investing after he finishes college and his salary is high enough to pay the bills and to have money left over. He projects that ...
*Thursday, June 26, 2014 at 9:06pm*

**Math**

Sara had just rented her first apartment starting December 1 before beginning college in January. The apartment had washer and dryer hook-ups, so Sara wanted to buy the appliances to avoid trips to the Laundromat. The Saturday newspaper had an advertisement for a local ...
*Thursday, June 26, 2014 at 5:50pm*

**math**

Sara had just rented her first apartment starting December 1 before beginning college in January. The apartment had washer and dryer hook-ups, so Sara wanted to buy the appliances to avoid trips to the Laundromat. The Saturday newspaper had an advertisement for a local ...
*Thursday, June 26, 2014 at 12:42am*

**Math**

Score Skateboard Company is a small firm that designs and manufactures skateboards for high school and college students who want effective, fast transportation around campus. Score has two employees who receive $1,100 gross pay per semimonthly pay period and four employees who...
*Wednesday, June 25, 2014 at 12:22am*

**college chem**

You are instructed to create 400. mL of a 0.40 M phosphate buffer with a pH of 6.9. You have phosphoric acid and the sodium salts NaH2PO4, Na2HPO4, and Na3PO4 available. (Enter all numerical answers to three significant figures.) H3PO4(s) + H2O(l) equilibrium reaction arrow ...
*Monday, June 23, 2014 at 10:25pm*

**Physics I for College**

a rope that makes an angle of 30 degrees with the horizontal drags a crate along the floor. what must be the tension in the rope if a horizontal force of 40N is needed to drag the crate? please help me. i really didn't understand what my professor told me. he speak so fast...
*Monday, June 23, 2014 at 10:07am*

** college physics **

An ultrasonic motion sensor sends very short pulses for ultrasound to measure the distance to an object . The sensor cannot send another pulse until the echo form the previous pulse is detected. What is the maximum possible number of individual measurements per second if the ...
*Thursday, June 19, 2014 at 8:44pm*

**statistics **

A researcher wishes to estimate the proportion of college students who cheat on exams. A poll of 490 college students showed that 33% of them had, or intended to, cheat on examinations. Find the margin of error for the 95% confidence interval. solution I have but what do I ...
*Thursday, June 19, 2014 at 5:20pm*

**College Alegbra**

A new store opens in New York. You received a coupon for $5.00 off a pair of jeans j(x) = x-5. When you get to the store you learn that they are giving a 25% discount d(x)=.75x a) Write a composite function for the cost of the jeans if the 25% discount is applied after the $5....
*Thursday, June 19, 2014 at 12:22pm*

**math**

From a survey of 100 college students, a marketing research company found that 55 students owned iPods, 25 owned cars, and 15 owned both cars and iPods. (a) How many students owned either a car or an iPod (but not both)?
*Thursday, June 19, 2014 at 11:14am*

**college physics**

"The Magnitude of the buoyant force is equal to the weight of fluid displaced” is a statement of which principle in the study of fluids? Select one: a. Pascal's Principle b. Archimedes' Principle c. Bernouilli’s Principle d. The Equation of Continuity
*Monday, June 16, 2014 at 5:17pm*

**Science**

I REALLY REALLY NEED HELP SO 1.I need to do an essay asking you (me)to explain what is the difference between erosion,transport,and deposition?... 2.another essay asking me to explain you (me) to explain the destructive and positive effects of a volcanic erupyion?... 3.a short...
*Saturday, June 14, 2014 at 4:24pm*

**College Algebra **

A quadratic function has its vertex at the point (-9,8). The function passes through the point (9,4). When written in vertex form, the function is f(x)= a(x-h)^2 +k, where a) h)-9 k)8 4=a(9)^2+8 4=a(9+9)^2+8 4=a(18)^2+8 4=a(332) a=0.01204 I was able to find both h & k. but the...
*Thursday, June 12, 2014 at 9:16pm*

**College Algebra **

The graph of a quadratic function f(x) is shown above. It has a vertex at (-2,4) and passes the point (0,2). Find the quadratic function y=a(x-(-2))^2+4 y=a(x+2)+4 2=a(x+2)+4 -4 -4 -2=a(0+2)/2 -1+ a function -1(x+2)+4 ? Im not sure where Im going wrong but my answer was ...
*Thursday, June 12, 2014 at 9:13pm*

**STAT**

A college faculty consists of 400 men and 250 women. The college administration wants to draw a sample of 65 faculty members to ask their opinion about a new parking fee. They draw a simple random sample of 40 men and another simple random sample of 25 women.
*Tuesday, June 10, 2014 at 9:23pm*

**personal finance**

If Bridgette marrow is a sophomore at state college ad is running out of money. wanting to continue her education, Bridget is considering a student loan. Explain her options. How can she best minimize her borrowing costs and maximize her flexibility?
*Sunday, June 8, 2014 at 10:13pm*

**READING**

words to use: curtail, devastate, digress,incentive, incorporate, indispensable,intermittent,rigor,squander and succumb.... Linda never had to work hard to make good grades in high school. But in college, where the rigors of course work were greater, she soon learned ...
*Saturday, June 7, 2014 at 11:23pm*

**reading**

words to use: curtail, devastate, digress,incentive, incorporate, indispensable,intermittent,rigor,squander and succumb.... Linda never had to work hard to make good grades in high school. But in college, where the rigors of course work were greater, she soon learned ...
*Saturday, June 7, 2014 at 10:25pm*

**reading**

words to use: curtail, devastate, digress,incentive, incorporate, indispensable,intermittent,rigor,squander and succumb.... Linda never had to work hard to make good grades in high school. But in college, where the rigors of course work were greater, she soon learned ...
*Saturday, June 7, 2014 at 9:53pm*

**vocabulary**

Please check for correction ! words to use: curtail, devastate, digress,incentive, incorporate, indispensable,intermittent,rigor,squander and succumb.... Linda never had to work hard to make good grades in high school. But in college, where the rigors of course work ...
*Saturday, June 7, 2014 at 8:49pm*

**college physics**

A horizontal spring with a spring constant k = 322 N/m is uncompressed from a length of 1.4 cm back to its unstretched length. Calculate the change in potential energy in Joules to 2 s.f.
*Saturday, June 7, 2014 at 6:43pm*

**college physics**

You shoot a 57 gram dart vertically upwards from a catapult with a spring constant of 379 N/m. The catapult is initially stretched from the equilibrium point by 30 cm. What is the height above the starting point reached by the dart? Ignore air resistance and give your answer ...
*Saturday, June 7, 2014 at 6:42pm*

**math**

A researcher wishes to estimate the proportion of college students who cheat on exams. A poll of 400 college students showed that 33% of them had or intended to, cheat on examinations. Find the margin of error for the 95% confidence interval.
*Thursday, June 5, 2014 at 8:41pm*

**math**

A sample of 64 statistics students at a small college had a mean mathematics ACT score of 28 with standard deviation of 4. Estimate the mean mathematics ACT score for all statistics students at college. Give the 95% confidence interval.
*Thursday, June 5, 2014 at 8:27pm*

**math**

Student credit cards typically require that one be enrolled in a 2- or 4-year college/university and
*Wednesday, June 4, 2014 at 8:31pm*

**College Algebra **

The width of a rectangle is 2 less than twice its length. If the area of the rectangle is 82 cm^2, what is the length of the diagonal? Note: Your answer must be a number. It may not contain any arithmetic operations. w(w+20) = 8000 w^2+20w = 8000 w^2+20w-8000 = 0 (w-80)(w+100...
*Monday, June 2, 2014 at 6:43pm*

**College Algebra ..Please help**

I have about 5 homework problem that I am stuck on! please help me. The first of 5 is: A rectangular garden is 20 ft longer than it is wide. Its area is 8000 ft{}^2. What are its dimensions? Im not even sure where to start with this one. Next #2: The area of a rectangle is 16...
*Monday, June 2, 2014 at 6:36pm*

**College Algebra **

A rectangular garden is 20 ft longer than it is wide. Its area is 8000 ft{}^2. What are its dimensions? w(w+20) = 8000 w^2+20w = 8000 w^2+20w-8000 = 0 (w-80)(w+100) = 0 w-80 = 0 w=80 or w+100 = 0 w = -100 I think that x=80 makes more sense. However what would the length be if ...
*Monday, June 2, 2014 at 6:23pm*

**college algebra**

A rectangular garden is 20 ft longer than it is wide. Its area is 8000 ft{}^2. What are its dimensions? Let "w" equal the width w+20=8000 w^2+20=8000 not sure how to continue
*Monday, June 2, 2014 at 2:35pm*

**College Algebra **

I'm sorry I wrote the problem wrong previously. "The equation x^2-9x-1=0 has 2 solutions A and B. Where A < B. x^2-9x-1=0 (x-9)x=1 x^2=9x+1 (x-9/2)^2-85/4=0 Solutions x=1/2(9- sq root 85) and x=1/2(9 + sq root 85) I also have a second similar problem. 2x^2+17x+2=0 ...
*Monday, June 2, 2014 at 2:14pm*

**College Algebra **

The problems reads: "The equation x^2-9x=0 has 2 solutions A and B. Where A < B. The answers I got where x=0 and x=9, however my online homework is saying its incorrect. Please help me (x-9)x=0 x^2=9x (x-9/2)^2-81/4=0
*Monday, June 2, 2014 at 1:49pm*

**Algebra**

A mother wants to invest 8,000 dollars into her child's college fund. She invests a portion of the money into a CD account which earns 4% interest, and the remainder into a savings bond which earns 7% interest. If the total interest earned after one year is $480.00, how ...
*Sunday, June 1, 2014 at 12:35pm*

**math**

Bridget Morrow is a sophomore at State College and is running out of money. Wanting to continue her education, Bridget is considering a student loan. Explain her options. How can she best minimize her borrowing costs and maximize her flexibility?
*Saturday, May 31, 2014 at 2:38am*

**college algebra **

The sum of three consecutive natural numbers is 651, find the numbers. 3*7*31 21*31=651 is what I put for my answer but that was incorrect on the homework. Please help me Another Question I had problems with was :Your weekly paycheck is 25 percent less than your coworker's...
*Thursday, May 29, 2014 at 8:43pm*

**college algebra **

Two cyclists, 64 miles apart, start riding toward each other at the same time. One cycles 3 times as fast as the other. If they meet 2 hours later, what is the speed (in mi/h) of the faster cyclist? Let "x" be the slower rate the faster rate is "3x" x+3=2x ...
*Thursday, May 29, 2014 at 8:33pm*

**college algebra**

One positive number is one-fifth of another number. The difference between the two numbers is 200, find the numbers. Im not sure how to approach this problem x-1/5 = x+200 ? I also keep wanting to divided 200/5 .. Please help Im all over the place not sure what to do
*Thursday, May 29, 2014 at 7:51pm*

**college algebra**

Phyllis invested 55000 dollars, a portion earning a simple interest rate of 4 percent per year and the rest earning a rate of 7 percent per year. After one year the total interest earned on these investments was 2830 dollars. How much money did she invest at each rate? 2380-x...
*Thursday, May 29, 2014 at 7:43pm*

**College Algebra **

Wilma drove at an average speed of 35 mi/h from her home in City A to visit her sister in City B. She stayed in City B 15 hours, and on the trip back averaged 50 mi/h. She returned home 41 hours after leaving. How many miles is City A from City B Distance = Speed * Time D= 35...
*Thursday, May 29, 2014 at 4:59pm*

**College Algebra **

x/(2x-4)-7=1/(x-2).. How I clear this denominator if I must clear it at all.. Im not sure how to approach these problems.I have several others similar to this 1/2y+ 4= 1/7y I changed the denominators to 14y, then got 7/14y+ 4= 2/7y but my online homework says that is incorrect...
*Wednesday, May 28, 2014 at 11:08pm*

**College Algebra **

7/(x+1) - 3/2 =6/(3x+3) Im not sure how to begin, I thought abou clearing the denominators by multiply everything by (x+1)(2)(3x+3) but that didnt work out.
*Wednesday, May 28, 2014 at 10:57pm*

**College Algebra **

2/9+-5/6= -8 -(-3/7 k) The answer I got found was 82k=-903 I then divided that by 82 and found k=-11.0121. Which was incorrect, please help me.
*Wednesday, May 28, 2014 at 10:55pm*

**College Algebra **

Let Z be equal to (2-5i) The question is z^2 +iz -(5+i) The answer I got for this was -22 + 18i but it isn't correct on my homework page please help/
*Wednesday, May 28, 2014 at 10:23pm*

**College Algebra **

Write the following in a+bi form (-5-i)/(3-3i) -5/3 and 1/3i (-5/2i)/(-1/5i) 23 and 0i (-2i)^3 -2 and 0 Im having trouble with these probems and here is my answers. PLEASE HELP
*Wednesday, May 28, 2014 at 10:17pm*

**College Algebra **

Write the following a+bi form i(3.14-3i) Please help. I believe that the answer is 3.14i-3i, which would be (3.13*-1)-3*-1. however this was incorrect please tell me where I went wrong
*Wednesday, May 28, 2014 at 10:10pm*

**college**

all of the following are assets excep
*Monday, May 26, 2014 at 7:52pm*

**college**

the fair labor standards act
*Monday, May 26, 2014 at 7:51pm*

**college physics**

A student of mass 64.7 kg climbs up the stairs in the Physics Department, with a vertical height change 3.1 metres. What is the change in gravitational potential energy? Give your answer in Joules, to 2 significant figures.
*Monday, May 26, 2014 at 1:06am*

**college physics**

What work is done by a friction force acting on an object? Select one: a. Always negative b. Always positive c. May be positive or negative depending on the choice of coordinate system d. Always zero
*Monday, May 26, 2014 at 1:03am*

**Introduction To Business**

Hi, could someone help me please with the following questions? Thanks 1. Carmen Santiago works for a number of businesses as a “consultant.” She has helped design accounting systems, provided accounting services, and analyzed the financial strength of her clients&#...
*Sunday, May 25, 2014 at 7:29pm*

**college physics**

A car travels around a bend of radius R at a speed v1, experiencing a centripetal acceleration ac. The car then travels around a curve with the same radius R, but with a centripetal acceleration which has twice the magnitude of ac. What speed is the car moving, when going ...
*Sunday, May 25, 2014 at 6:43pm*

**maths**

If 15 students walk to college and 35 gets the bus, what percentage walk to college?
*Friday, May 23, 2014 at 5:32pm*

**college calculus**

the amount of carbon-14 in a mammoth's bone is 45% of the amount found in a living organism. How long ago did the mammoth die? the half-life of carbon-14 is about 5,730 years.
*Thursday, May 22, 2014 at 4:44pm*

**Child Development **

Rachel is a highechool student who has explored several employment and education alternatives. She has chosen to attend the community college near home to become a diesel mechanic. What is the identity status of Rachel according to James Marcia? A. Identity diffusion B. ...
*Tuesday, May 20, 2014 at 7:58pm*

**MATH HW HELP!!**

As a savings plan for college, when their son Bob was born, the Wilburs deposited $10,000 in an account paying 8% compounded annually. How much will the account be worth when Bob is 18 years old?
*Tuesday, May 20, 2014 at 7:24pm*

**State in transition**

which best describes social changes in south carolina since 1980? A.)Women are less likely to attend college than men. B.)Fewer women are holding jobs traditionally held by males. C.)A greater number of women have careers outside the home.<---- I chose this one. D.) More ...
*Tuesday, May 20, 2014 at 4:49pm*

**data analysis**

A survey of 1500 college students found that 675 stay on campus in a dorm. Find the mean and standard deviation of the proportion of the sample.
*Tuesday, May 20, 2014 at 9:39am*

**Algebra**

the table shows the results of a survey of college students. find the probability that a student's first class of the day is a humanities class, given the student is female. First class of the day for college students male female humanities 70 80 science 50 80 other 60 70
*Monday, May 19, 2014 at 6:13pm*

**Statistics**

In a random sample of 50 undergraduate students at a college, it was found that 44 students regularly access social networking websites from their college library. What is the margin of error for the true proportion of all undergraduates who access social networking sites from...
*Monday, May 19, 2014 at 3:20pm*

**college algebra**

If the volume of a cube is 600cm what is the s to the third power
*Sunday, May 18, 2014 at 11:58am*

**math**

Debbie Snyder has just graduated from college and needs to buy a car to commute to work. She estimates that she can afford to pay about $ 450 per month for a loan or lease and has about $ 2,000 in savings to use for a down payment. Develop a plan to guide her through her first...
*Saturday, May 17, 2014 at 8:32pm*

**math**

at a college function a total of 180 tickets were sold. the tickets were priced at $5,10,15 and the money collected that day was $1,900. the sum of the numbers of $5,and $15 tickets sold was twice the number of $10 tickets sold. find the number of each type of ticket sold for ...
*Friday, May 16, 2014 at 12:55pm*

**us hist**

You have many skills, a broad variety of work experiences and a college degree. Do you favor the Pendleton Act? Only in the eastern industrial regions Only in the southern states Yes No I know its not no. is it yes or..
*Thursday, May 15, 2014 at 6:04pm*

**History**

Why did the House of Representatives decide the presidential election of 1800? a.Neither Federalists nor Republicans won a clear majority of the popular vote. b.Thomas Jefferson and Aaron Burr split the electoral votes. c.Members of Congress did not agree with the decision of ...
*Wednesday, May 14, 2014 at 5:52pm*

**math**

the mean weigh of 500 male students at a certain college is 151 lb , and the standard deviation is 15 lb. assuming that the weights are normally distributed , how many students weigh more then 181 lb.
*Wednesday, May 14, 2014 at 1:24am*

**English **

this is a paragraph for a paper can someone please check the grammer? Only a small portion of the population in the United States are attending schools, and that small portion are people who really want to stand out and have a life full of joys and success. College is the ...
*Tuesday, May 13, 2014 at 10:17pm*

**college chemistry**

if 75 g of ice at 0.0 degrees C were added to 1.5 L of water at 75 degrees C what would be the final temperature of the mixture
*Tuesday, May 13, 2014 at 8:00pm*

**college chem**

125g MgSO4 • 7 H2O how many grams of anhydrous compound can be obtained
*Tuesday, May 13, 2014 at 7:54pm*

**English Help Please!!!**

In a Forbes magazine article from October 2013 Susan Adams wrote of a survey done by the National Association of Colleges and Employers from Bethlehem, Pa. From early August to mid-September that year they asked 200 hiring managers what skills they prioritize when they hire ...
*Saturday, May 10, 2014 at 11:59pm*

**Stats**

A researcher wants to estimate the mean serum cholesterol level for college age women. In a past study the standard deviation for this measure was 42 units. of the researcher wants to be off in his estimate by no more than three units (with 99% confidence) how large must his ...
*Friday, May 9, 2014 at 10:53pm*

**College Physics**

Metal sphere 1 has a positive charge of 7.00nC . Metal sphere 2, which is twice the diameter of sphere 1, is initially uncharged. The spheres are then connected together by a long, thin metal wire. What are the final charges on each sphere?
*Friday, May 9, 2014 at 9:28pm*

**College Physics**

A 3.00-cm-diameter parallel-plate capacitor with a spacing of 0.800mm is charged to 300V . What is the total energy stored in the electric field?
*Friday, May 9, 2014 at 9:17pm*

**College Chemistry**

1 L of N_2_ gas, having a pressure of 2.5 atm, is added 1 L of Ar gas, having a pressure of 3.7 atm, in a sealed, rigid flask. What is the final pressure in the flask?
*Thursday, May 8, 2014 at 5:29pm*

**Stat college**

It is estimated that 17% of americans have blue eyes. A random sample of 9 americans is selected. Find the probability that the sample includes exactly 2 people with blue eyes. Find the probability that the sample includes at most 2 people with blue eyes. Find the mean number ...
*Tuesday, May 6, 2014 at 2:22pm*

**statistics 101 college**

28 randomly picked people were asked if they rented or owned their own home, 20 said they rented. Obtain a point estimate of the proportion of home owners and round the point estimate to the nearest thousandth
*Monday, May 5, 2014 at 11:58pm*

**math**

A college student wishes to compare tuition fee increases during the period 1999 to 2009 to the general increase in the cost of living. Tuition increased from $350 per course in the 1999/2000 academic year to $495 per course in the 2009/10 academic year. The CPI rose from 92.9...
*Saturday, May 3, 2014 at 9:03pm*

**PLEASE HELP!! Org. & Admin. of Sports & Recreation**

The least valid qualification in hiring a coach is: (A) A College superstar B Thorough knowledge of rules and techniques C Ability to teach D Understanding of players E Desirable personality The interests of all athletes participating are best served if: (C) A The present ...
*Saturday, May 3, 2014 at 10:47am*

**College Algebra & Trigonometry**

A weight is attached to an elastic spring that is suspended from a ceiling. If the weight is pulled 1 inch below its rest position and released its displacement in inches after t seconds is given by x(t)=2cos(5ðt+ð/3). Find the first two times for which the ...
*Friday, May 2, 2014 at 4:03am*

**college chemistry**

What is the free energy change at 25°C for the reaction below, if ΔGfo(CH4(g) = -50.790 kJ/mol, ΔGfo(C7H14(g)) is 95.887 kJ/mol. C7H14(g) + 7H2(g) ↔ 7CH4(g) similar question but gives some different G's
*Thursday, May 1, 2014 at 3:31pm*

**College chemistry**

From the reaction below, calculate the free energy of formation for C3H6(g) at 25°C, if ΔGfo(CH4(g)) is -50.790 kJ/mol. 3CH4(g) ↔ C3H6(g) + 3H2(g) ΔGo = 215.302 kJ/mol i've tried doing final-initial, and products minus reactants but i'm not getting ...
*Thursday, May 1, 2014 at 3:29pm*

**Statistics **

You want to know if there's a difference between the proportions of high school students and college students who read newspapers regularly. out of a random sample of 500 high-school students, 287 say they read newspapers regularly, and out of a random sample of 420 ...
*Thursday, May 1, 2014 at 11:45am*

**Statistics **

You want to know if there's a difference between the proportions of high school students and college students who read newspapers regularly. out of a random sample of 500 high-school students, 287 say they read newspapers regularly, and out of a random sample of 420 ...
*Thursday, May 1, 2014 at 11:37am*

**College Algebra and Trigonometry **

A weight is attached to an elastic spring that is suspended from a ceiling. If the weight s pulled 1 inch below its rest position and released its displacement in inches after t seconds is given by x(t)=(5pt+p/3. Find the first two times for which the displacement s 1.5 inches...
*Wednesday, April 30, 2014 at 11:40pm*

**govt college of tech**

please help me to solve this question sec^2A+tan^2A=(1-sin^4A)sec^4A
*Wednesday, April 30, 2014 at 6:24am*

**College Algebra and Trigonometry**

A weight is attached to an elastic spring that is suspended from a ceiling. If the weight s pulled 1 inch below its rest position and released its displacement in inches after t seconds is given by x(t)=(5pt+p/3. Find the first two times for which the displacement s 1.5 inches.
*Wednesday, April 30, 2014 at 4:13am*

**statistics**

construct a 95% confidence interval for the difference betwen the proportions of high-school students an college students who read newspapers regularly.
*Wednesday, April 30, 2014 at 12:03am*

**college chemistry**

Consider the following equation: 4 NH3(g) + 5 O2(g)= 4 NO(g) + 6 H2O(s) a) HOw many liters of oxygen are required to react with 205 L NH3? Both gases are STP. b)How many grams of water vapor can be produced from 25 L NH3 if both gases are STP? c) How many liters of NO can be ...
*Tuesday, April 29, 2014 at 7:38pm*

**college chem**

A mixture contains H2 at 600 torr pressure, N2 at 200 torr pressure and O2 at 300 pressure. what is the total pressure of the gases in the system?
*Tuesday, April 29, 2014 at 6:17pm*

**college chem**

A sample of O2 gas was collected over water at 23 degrees celsius and 772 torr. what is the partial pressure of the O2?
*Tuesday, April 29, 2014 at 6:15pm*

**college chem**

a sample of a gas occupies a volume of 1025 mL at 75 degrees Celsius and 0.75 atm. What will be the new volume if temperature decreases to 35 degrees Celsius and pressure increases to 1.25 atm
*Tuesday, April 29, 2014 at 6:12pm*

**college chem**

A sample of methane gas CH4, occupies a volume (L) of 58.2 L at a pressure of 7.25 atm. What volume will the gas occupy if the pressure is lowered to 2.03 atm
*Tuesday, April 29, 2014 at 6:06pm*

**Govt college of technology**

A fly wheel rotates at 300 rev/min.if the radius is 6cm through what total distance does a point on the rim travel in 30 sec.
*Tuesday, April 29, 2014 at 3:21pm*

**statistics**

A researcher is testing the effect of a new cold and flu medication on mental alertness. A sample of n=9 college students is obtained and each student is given the normal dose of the medicine. Thirty minutes later, each students performance is measured on a video game that ...
*Tuesday, April 29, 2014 at 12:19am*

**Algebra**

following the birth of his son, ben deposits $35,000 in a college trust fund where interest is 8.9% compounded semiannually. find the amount of money in the account at t= 2.5, 4 and 6 years
*Monday, April 28, 2014 at 10:29pm*

**Algebra**

following the birth of his son, Ben deposits $35,000 in a college trust fund where interest is 8.9% compounded semiannually. find a function for the amount in the account after t years.
*Monday, April 28, 2014 at 10:14pm*

**College Algebra **

The weight W in ounces of a certain small mammal is proportional to the cube of its length L in inches. The length in inches of the animal depends on its age t in years. The relationship is as follows: L = 8(1-e^-t) (a) Express W as a function of t using c as the constant of ...
*Monday, April 28, 2014 at 10:01pm*

**college algebra**

x-5/6<x/2+3
*Monday, April 28, 2014 at 8:53pm*

**Homework helpline?**

Is there a homework helpline for college level I can call and ask homework questions through the phone? I know there is one that is available for elementary school and middle school, and it would seem a little ludicrous for one to be available for this level, but are there any...
*Monday, April 28, 2014 at 6:41pm*

**College Algebra**

A rancher needs to build four identical pens for his animals as shown in the diagram below. He has 240 feet of fencing. He does not need to put the fence along the barn. Find the length and width that would maximize the area of the pens. What is the maximum area for each pen?
*Monday, April 28, 2014 at 12:49pm*

**FIN1103-39**

You think in 15years, 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 5 years with $1million
*Sunday, April 27, 2014 at 11:03pm*

**Scoiolgy**

Mattie is a new sociology professor at the local college. During her first lecture, she noticed that some students were yawning. Based on her interpretation of the students yawning, Mattie has decided she is a boring teacher. This is an example of the process referred to as: A...
*Sunday, April 27, 2014 at 6:52pm*

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