Monday

July 28, 2014

July 28, 2014

Post a New Question | Current Questions

**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**

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*

**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*

**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*

**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**

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**

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**

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**

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

**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 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*

**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**

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*

**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*

**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**

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**

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**

Please HELP! In a certain lottery game players choose a set of 6 distinct numbers from the numbers 1-50. How many combinations are possible if order is not important. Thanks sooooo much!
*Friday, April 26, 2013 at 8:53am*

**College Physics**

A speck of charged dust with a mass of 39mu g. is kept levitating by putting it in an electric field. If you must apply a field of 10 N/C to keep it suspended in mid-air, what is the charge on the speck of dust? Can someone please help soon? I got this wrong on my last test ...
*Thursday, April 25, 2013 at 9:55pm*

**College Physics**

The rectangular coils in a 201-turn generator are 14 cm by 17 cm. What is the maximum emf produced by this generator when it rotates with an angular speed of 525 rpm in a magnetic field of 0.81 T? I'm not sure what equations to use.
*Thursday, April 25, 2013 at 4:39pm*

**College math**

Three coins are tossed. How many ways are there to get more than 2 tails, exactly 2 heads, only 1 tail. Thanks in advance for the help!
*Thursday, April 25, 2013 at 12:34pm*

**statistics**

0.57 of all college students like the idea of a new curriculum. If we select 88 students (ASSUME INDEPENDENCE), what is the Standard Deviation of (the Probability Distribution that would list the number of students (from 0 to 88) and the probability of each.) THE STANDARD ...
*Wednesday, April 24, 2013 at 8:37pm*

**college algebra**

Solve the logarithmic equation. Log x +log2x = 4 Wouldn't this be no solution because log x is undefined?
*Wednesday, April 24, 2013 at 3:49pm*

**statistics**

Suppose that the test scores for a college entrance exam are normally distributed with a mean of 450 and a standard deviation of 100. If a student is selected at random what is the probability that the student will score above 600?
*Wednesday, April 24, 2013 at 11:36am*

**College algebra**

20x^2+12x
*Wednesday, April 24, 2013 at 9:02am*

**Statistics**

Based on information from Harper's Index, 37 out of a random sample of 100 adult Americans who did not attend college believe in extraterrestrials. However, out of a random sample of 100 Americans who did attend college, 41 claim that they believe in extraterrestrials. At ...
*Tuesday, April 23, 2013 at 5:23pm*

**Business Math **

A Competitive Coup in the In-Flight Magazine. When the manager for market intelligence of AutoCorp, a major automotive manufacturer, boarded the plane in Chicago, her mind was on shrinking market share and late product announcements. As she settled back to enjoy the remains of...
*Tuesday, April 23, 2013 at 9:56am*

**College algebra**

Solve equation by expressing each side as a power of the same base & then equating exponents. e^x+5=1/e^6
*Tuesday, April 23, 2013 at 3:24am*

**College Chem**

charles law: 7.89 l sample of gas had pressure of 850 torr. what volume will it occupy if the pressure is changed to 457 torr? (torr is a measurement of pressure. 760 torr = 1 atmosphere
*Monday, April 22, 2013 at 4:55pm*

**College: Diversity Education**

A term referring to perspectives on children’s development that emphasize the importance of cultural influences is A) cultural constructivism. B) ethnoconstructivism. C) social constructivism. D) anthropological constructivism. I believe the answer is C, but wanted a ...
*Monday, April 22, 2013 at 2:24pm*

**Chemistry 110, college**

A solution is prepared by dissolving 56.5g of ethylene glycol in 874 g of water. Calculate the change in the boiling point and the freezing point.
*Monday, April 22, 2013 at 2:05pm*

**english**

(1) After my interview with these four young people, I reflected on the quiet sense of "difference" I sensed with many of these Upward Bound students. (2) As a college teacher who has also taught seventh-grade science, I have some experience with the faces and ...
*Monday, April 22, 2013 at 1:30pm*

**college physics**

how long would it take a 4.50kW MOTOR TO RAISE A 175KG BOILER TO A PLATFORM 15.0M ABOVE THE FLOOR?
*Monday, April 22, 2013 at 8:19am*

**college physics**

How many seconds would it take a 7.00hp motor to raise a 475 lb boiler to a platform 38.0 ft high?
*Monday, April 22, 2013 at 8:18am*

**college**

a guy wire 27 feet long runs from the top of the pole to a spot on the ground. I f the height of the pole is 6 feet longer than the from the base of the pole to the spot where the guy wire is anchored, how tall is the pole?
*Sunday, April 21, 2013 at 9:13pm*

**College Physics**

A uniform ladder of mass, m, and length, l, leans at an angle, theta, against a frictionless wall. Determine a formula for the minimum angle at which the ladder will not slip.
*Saturday, April 20, 2013 at 12:03am*

**College Physics**

A large 61.0 kg board is propped at a 45 degree angle against the edge of a barn door 2.9m wide. How great a horizontal force must a person behind the door exert (at the edge) in order to open it? Assume that there is negligible friction between the door and the board but that...
*Saturday, April 20, 2013 at 12:02am*

**College Physics**

A cubic crate of side s=2.0m is top-heavy: its CG is 18cm above its true center. Part A) How steep an incline can the crate rest on without tipping over? Part B) What would your answer be if the crate were to slide at constant speed down the plane without tipping over? (The ...
*Saturday, April 20, 2013 at 12:01am*

**PLEASE HELP! college algebra**

Given the following piecewise function f(x)= {-x+1 for x < 0 {-1 for 0 ≤ x ≤ 3 {-2x for x > 3 a) Find the domain b) Find the range c) Find the intercepts d) Is f continuous on its domain? If not, state where f is discontinuous. e) Graph the function
*Friday, April 19, 2013 at 8:42pm*

**college algebra**

1.write the formula for the function that has degree 3 and zeros of -1,2 and 5 with a lead coefficient of 1? (leave answer in factored form) f(x)= 2. Write the formula for the function that has degree of 4 and zeros of -4, 3(multiplicity 2) and 4 with a lead coefficient of -1...
*Friday, April 19, 2013 at 2:24pm*

**Chemistry College**

If KHP sample 1 requires 22.47 mL of aqueous NaOH, how many milliliters of NaOH should be needed for samples 2 and 3?
*Thursday, April 18, 2013 at 3:59am*

**College Chemistry**

When determining the vapor pressure of water, the bubble volume is 1.2mL at 5 degrees celsius. -How many moles of dry air were in the bubble? (assume 1 atm) -If the bubble volume is 8.6mL at 75 degrees celsius, what is the partial pressure of the dry air at this temp?
*Thursday, April 18, 2013 at 2:16am*

**College Chemistry**

When determining the vapor pressure of water, the bubble volume is 1.2mL at 5 degrees celsius. -How many moles of dry air were in the bubble? (assume 1 atm) -If the bubble volume is 8.6mL at 75 degrees celsius, what is the partial pressure of the dry air at this temp?
*Thursday, April 18, 2013 at 2:16am*

**College Chemistry**

When determining the vapor pressure of water, the bubble volume is 1.2mL at 5 degrees celsius. -How many moles of dry air were in the bubble? (assume 1 atm) -If the bubble volume is 8.6mL at 75 degrees celsius, what is the partial pressure of the dry air at this temp?
*Thursday, April 18, 2013 at 2:16am*

**Statistics**

A high school counselor is interested in the percentage of students who will be going to college. She randomly picks 60 students and finds that 53 will be going to college. Use a 95% confidence level to find the population proportion. a) State the 95% confidence interval for ...
*Wednesday, April 17, 2013 at 11:20pm*

**statistics**

A researcher wants to compare the variances of the heights (in inches) of 4 year college basketball players with those of players in junior colleges. A sample of 30 players from each type of school is selected, and the variances of the heights for each type are: 4 year ...
*Wednesday, April 17, 2013 at 9:30pm*

**college algebra**

I need to expand the expression without exponents. We haven't covered this yet so I am confused on how to do both of them Log x4y7/4 4 log x^8/√yz^5 4 Thanks, for your help.
*Wednesday, April 17, 2013 at 4:36pm*

**college algebra**

for the function g(x)=5x^6-3x^3+x^2-x, list the possible rational zeros of g(x) and then use synthetic division to factor g(x) completely. ***i'm confused, doesn't this problem need a constant?****
*Wednesday, April 17, 2013 at 3:07pm*

**Grammar**

Write "Incorrect" if "good" or "well" is used incorrectly. Write "Correct" if "good" or "well" is used correctly. 1). I'll do good in college. 2). Being conscientious will help me succeed good in life. 3). I'...
*Wednesday, April 17, 2013 at 2:21pm*

**college algebra**

Write expression as one logarithm and simplify if appropriate. log 3√x + log x^4 - log x^3 4 log (x+3) - 5 log (x^2+4) + 1/3 log y I have these who problems but I don't know where to start. HELP Please.
*Wednesday, April 17, 2013 at 8:57am*

**College Algebra**

Theres this chemistry problem im getting stuck in because i'm confusing myself with the math. Equation given = %O2 saturation = 100 x (pO2/(pO2 + K) %O2 = 35 K = 1.51 how do I calculate pO2?? I can't seem to cancel them out correctly. Answer = 0.813
*Tuesday, April 16, 2013 at 6:42pm*

**College math**

A team played 24 games and won 2/3 of them. How many games did they win?
*Tuesday, April 16, 2013 at 6:19pm*

**english**

With in sentence should town also be capitalized? The town of Blair, Nebraska, is home to Dana College.
*Tuesday, April 16, 2013 at 7:32am*

**Math**

From a survey of 100 college students, a marketing research company found that 60 students owned iPods, 50 owned cars, and 20 owned both cars and iPods. (a) How many students owned either a car or an iPod (but not both)? 1 students (b) How many students do not own either a car...
*Sunday, April 14, 2013 at 10:58pm*

**statistics**

An economist wants to estimate the mean income for the first year of work for college graduates who majored in biology. How many such incomes must be found if the economist wants to be 95% confident that the sample mean is within $500 of the true population mean? Assume that ...
*Sunday, April 14, 2013 at 9:41pm*

**college english**

my professor want's us to write an abstract proposal on our reserch topic " Is our food safe to eat?" BUT we did not write our papers yet,so can someone help me how to set it up
*Sunday, April 14, 2013 at 8:41pm*

**college math**

4. Do the indicated operations. A) 3 B) –13 C) 5 D) –11
*Sunday, April 14, 2013 at 8:28pm*

**algebra**

nico is saving his money for college he invests some money at 8% and $1300 less than that amount of 5% the investments produced the amount of $195 interest in 1 year how much did he invest at each rate?
*Sunday, April 14, 2013 at 5:49pm*

**sciology college course**

A science teacher tells her class that their final project requires the student to measure a specific variable and determine the velocity of a car with no more 2.5% error. Jennifer and johnny work hard and decide the velocity of the car is 34.87 m/s. The teacher in forms them ...
*Sunday, April 14, 2013 at 2:50pm*

**sciology college course**

1. A dad holds five coins in his hand. He tells his son that if he can guess the amount of money he is holding within 5% percentage error he can have the money. The son guesses that he is holding 81 cents. The dad opens his hand and displays 90 cents. Did the son guess close ...
*Sunday, April 14, 2013 at 2:41pm*

**college math**

5u+2v=-15 3u+v=-8 Im not sure how to do this problem
*Sunday, April 14, 2013 at 11:42am*

**college math**

the perimeter of a rectangular traffic sign is 120 inches Also, its length is 6 inches longer than its width
*Saturday, April 13, 2013 at 11:27pm*

**ECONOMICS**

College students sometimes work as summer interns for private firms or for the government. Many of these positions pay very little or nothing. What is the opportunity cost of taking such a job? Explain why students might be willing to take such jobs. If you were to compare the...
*Saturday, April 13, 2013 at 10:42pm*

**college algebar**

logb x= logb(x+2)-logb8
*Saturday, April 13, 2013 at 3:28pm*

**College Chemistry**

For each trial, enter the amount of heat lost by the calorimeter, qcalorimeter. Be careful of the algebraic sign here and remember that the change in temperature is equal to the final temperature minus the initial temperature. Report your answer using 4 digits. Note, this is 1...
*Friday, April 12, 2013 at 5:39am*

**confederation college**

1.52 kg box slides 1.24 m a long a level surface.the co-efficient of kinetic friction between book and surface is 0.140.find the work done by friction?
*Thursday, April 11, 2013 at 11:53pm*

**college physics**

Juggles the clown stands on one end of a teeter-totter at rest on the ground. Bangles the clown jumps off a platform 2.5 m above the ground and lands on the other end of the teeter-totter, launching Juggles into the air. Juggles rises to a height of 3.8 m above the ground, at ...
*Thursday, April 11, 2013 at 9:56am*

**College Chemistry**

You weigh a sample of a monoprotic unknown acid and dissolve it in 50.00 mL of distilled water. Exactly half of this solution is titrated with Sodium Hydroxide to the phenolphthalein end point. The pH of the other half of the original solution is measured with a pH meter. The...
*Tuesday, April 9, 2013 at 4:31pm*

**stat probability**

At a certain college, there were 780 science majors, 320 engineering majors, and 390 business majors. If one student was selected at random, the probability that they are a business major is?
*Monday, April 8, 2013 at 7:38pm*

**college Mathematics **

Can someone please help me with this I am not getting the same answers as the examples in the book. U={1,2,3,4,5,6,7,8} A={1,2,3,4,7,8} B={1,2,4,5} Determine (A'UB')n(AUB)'
*Monday, April 8, 2013 at 1:40am*

**Math-Statistics**

Assume that 60% of community college students are female. 1) If we pick 10 students at random justify why we can or cannot model this using a normal model. 2) Find the probability that 8 of the 10 students selected are female. 3) Find the probability that 8 of more of the 10 ...
*Monday, April 8, 2013 at 12:36am*

**Math probability**

Assume that 60% of community college students are female. 1) if we pick 100 students at random justify why we can or cannot model this using a normal model. 2) find the probability that between 50 and 70 of the 100 students selected are female. 3) fidn Q1 and Q3 for the middle...
*Monday, April 8, 2013 at 12:02am*

**LBCC**

At a certain college, there were 780 science majors, 320 engineering majors, and 390 business majors. If one student was selected at random, the probability that they are a business major is?
*Sunday, April 7, 2013 at 11:06pm*

**College Chemistry**

The Water loss by the sample, and the percent by weight of water in the unknown hydrates is 34.78%H2O. which of the ten possible hydrates are the most likely ones to be your unknown based on the percent by weight?
*Sunday, April 7, 2013 at 4:27pm*

**math - college algebra**

If the rational function y = r(x) has the vertical asymptote x = 9, then as x →9+, either y → ____or _____
*Sunday, April 7, 2013 at 4:46am*

**Lincoln College Of New En**

26 Gasoline Mileage for Autos and Trucks – Of the top 10 cars and trucks based on gas mileage, 4 are Hondas, 3 are Toyotas, and 3 are Volkswagens. Choose one at random. Find the probability that it is Japanese, Japanses or German or not foreigh.
*Saturday, April 6, 2013 at 2:02pm*

**College math**

I really need to know the answer to this extra credit problem. Please help! A quantity, W, is directly proportional to X and the square of Y and inversely proportional to the cube of Z. W=3 when X=4, Y=2 and Z=4. What is the value of W when X=8, Y=9 and Z=6? Give answer to 3 ...
*Saturday, April 6, 2013 at 9:06am*

**college math**

A quantity, W, is directly proportional to X and the square Y, and inversely proportional to the cube of Z. W=3 when X=4, Y=2 and Z=4. What is the value of W when X=8, Y=9 and Z= 6? Give answer to 3 decimal places. Thanks in advance! I appreciate all the help! :)
*Friday, April 5, 2013 at 9:28pm*

**World Geography**

REVIEW 1.Canada currently ranks first in the world in which category? A. Total number of Internet users B. Percentage of college and university graduates<<<<<<<<; C. Literacy rate of adult population D. Average unemployment among citizens 2.The ...
*Friday, April 5, 2013 at 3:51pm*

**World Geography**

REVIEW 1.Which of the following statements about the natural resources of the United States is most accurate? A. The many agricultural resources of the United States have made up for its lack of other resources.<<<<<<<<< B. U.S. industry and ...
*Friday, April 5, 2013 at 3:49pm*

**college math**

A quantity, W, is directly proportional to x and the square of y and inversely proportional to the cube of z. W-3 when x=4,y=2 and z=4. What is the value of w, when x=5, y=5 and z=4. Give answer to three decimal places. Thanks so much!
*Friday, April 5, 2013 at 3:04pm*

**college math**

It takes Mike 8 minutes to walk to the store from his house. The return trip takes 13 minutes because he walks 1mph slower due to the bags he is carrying. How fast did Mike walk on his way to the store? Carry out one decimal place. Thanks in advance!
*Friday, April 5, 2013 at 2:34pm*

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