Monday

March 30, 2015

March 30, 2015

Post a New Question | Current Questions

**College Physics**

Human nerve impulses travel at about 10 m/s. Estimate the minimum reaction time from the moment you perceive an obstacle in front of your car and the moment that your foot receives the command to press on the brakes. Consider your height as 1.73m. If the car is traveling at ...
*Friday, February 6, 2015 at 6:32pm*

**College Physics**

Find (a) the magnitude and (b) the direction of the net force on an object given that the following forces act on the object at the same time: 10N east, 20N down, 20N west, 30N down, and 20N up.
*Friday, February 6, 2015 at 6:31pm*

**college algebra need help asap**

Solve the system of equations using substitution. 2x−8y = 2 x+4y = 0 What is the solution? Select the correct choice below and fill in any answer boxes in your choice. A. m (Type an ordered pair.) B. There are infinitely many solutions. C. There is no solution.
*Thursday, February 5, 2015 at 10:28pm*

**college algebra**

A limousine service charges $20 plus $0.50 per mile and a taxicab company charges $1.50 per mile. Write and graph a system of equations for the cost of each ride, find the number of miles for each ride to cost the same, and determine ...
*Thursday, February 5, 2015 at 10:24pm*

**College Algebra**

give the domain and the range for the following set of ordered pairs and determine if the ordered pairs represent a function. A) (1,2)(3,4)(5,5)(4,4)(5,4) B) (4,1)(5,1)(6,1)(7,1)(8,1)
*Thursday, February 5, 2015 at 4:36pm*

**College Alegbra**

A rectangular room has an area of 400 sq. ft. The length is 7 ft less than twice the width. Find the dimensions of the room.
*Wednesday, February 4, 2015 at 1:17pm*

**College Algebra**

solve for b, A=1/2(a+b)h
*Tuesday, February 3, 2015 at 9:15pm*

**College Algebra**

s=c+rc solve for c
*Tuesday, February 3, 2015 at 9:00pm*

**College Human Geography**

"Why is there inadequate action by the state to curb the violence?" Can someone explain what the question is asking?
*Tuesday, February 3, 2015 at 7:25pm*

**College Algebra**

A grocer mixes peanuts that cost $1.49 per pound and walnuts that cost $2.69 per pound to make 100 pounds of a mixture that costs $2.21 per pound. How much of each kind of nut did the grocer put into the mixture?
*Tuesday, February 3, 2015 at 6:30pm*

**College Algebra**

A person who is 6 feet tall walks away from a 50-foot tower toward the tip of the tower's shadow. At a distance of 32 feet from the tower, the person's shadow begins to emerge beyond the tower's shadow. How much farter must the person walk to be completely out of ...
*Tuesday, February 3, 2015 at 4:46pm*

**College Algebra**

A truck driver traveled at an average speed of 55 miles per hour on a 200-mile trip pick up a load of freight. On the return trip (with the truck fully loaded), the average speed was 40 miles per hour. What was the average speed for the round trip?
*Tuesday, February 3, 2015 at 4:24pm*

**college algebra**

A rectangular auditorium seats 1920 people. The number of seats in each row exceeds the number of rows by 8. Find the number of seats in each row.
*Tuesday, February 3, 2015 at 3:02pm*

**College Human Geography**

"What role does race play in the film?" Can someone explain this question?
*Monday, February 2, 2015 at 5:12pm*

**college physics**

two forces act simultaneously on a box. one pulls with a force of 12 pounds due south. the other pulls with a force of 8 pounds in a direction 20 degrees north od east. what is the resultant of these two forces?
*Monday, February 2, 2015 at 10:17am*

**Intermediate College Algebra**

The larger of two numbers is ten more than twice the smaller number. The sum of the numbers is forty. Find each number.
*Sunday, February 1, 2015 at 2:04pm*

**math**

one out of 42 high school ball players plays college ball. one out of 47 college players plays professional ball. what fraction of high school players professional ball?
*Saturday, January 31, 2015 at 2:53am*

**College interview**

Hi! I was just wondering if one of the teachers could tell me whether or not it is unprofessional to wear colored contact lenses to a college interview? The colors aren't drastic colors but they are contact lenses nonetheless. thanks!
*Friday, January 30, 2015 at 10:26pm*

**college Algebra**

ANemployee is paid a base salary of $2,150 a month plus an 8% commission on all sales over $7,000 during the month. How much must he sell in one month to earn a total of $3,120 for the month/
*Friday, January 30, 2015 at 7:44pm*

**college mathematics 1**

describe the graph of g(x)=f(x)+1 relitave to f(x)
*Thursday, January 29, 2015 at 7:27pm*

**college chemistry**

A sample of gas has an initial volume of 5.9L at a pressure of 759mmHg. If the volume of the gas is increased to 8.4L , what will the pressure be?
*Thursday, January 29, 2015 at 6:03pm*

**College Algebra**

Allison drove home at 65 mph, but her brother Austin, who left at the same time, could drive at only 41 mph. When Allison arrived, Austin still had 144 miles to go. How far did Allison drive?
*Thursday, January 29, 2015 at 5:57pm*

**personal finance**

As a college senior, Jessica was offered a new credit card that allowed her to take a 10% discount on the first month's purchases. She accepted the offer and made purchases that totaled $156.19. How much did she owe after the discount was deducted from the $156.19?
*Thursday, January 29, 2015 at 3:43pm*

**college algebra**

x represent the unknown value eight more than one-sixth of a number
*Thursday, January 29, 2015 at 3:07pm*

**EdTech **

1.what contributes to your passive digital footprint? A)entering your address into a website to sign up for a contest B) cookies that track your online habits**** C) uploading a profile picture to a social media site D) posting information on your personal web page 2. Why ...
*Thursday, January 29, 2015 at 12:33pm*

**social studies **

Regarding the Electoral College, which of the following statements is false? A. Electors vote on the first Monday after the second Wednesday in December. B. The electoral vote results are transmitted to the Secretary of State. C. The electoral college is located in Washington...
*Thursday, January 29, 2015 at 3:32am*

**college chemistry**

1)what is the final pH of CHECOOH 0.18M ,CHECOONa 0.08M, HNO3 0.08M and NaOH 0.08M ? Ka=1.8^10(-5) 2)what fraction of free edta is in the form )y^4-) at ph=10?
*Tuesday, January 27, 2015 at 7:12am*

**MATH**

Sabah has $450 to pay for college textbooks. She expects to pay about $75 per book. Her friend told her that 4 of them can be checked out of the library for free. Complete the equation below to find the total number of books that Sabah can get for her classes. Use b to ...
*Monday, January 26, 2015 at 11:28pm*

**College Algebra**

Find all real numbers x satisfying the equation: 2^x + 3^x - 4^x + 6^x - 9^x = 1. Please help me. I really dont know what to do.
*Monday, January 26, 2015 at 4:12am*

**College Geography**

"The desert was tamed but the price was calamitous, the worst climatic disaster in the history of the Soviet Union." Can someone explain what tamed means in the sentence? This sentence has to do with the Aral Sea.
*Sunday, January 25, 2015 at 11:23pm*

**College Trigonometry**

Eliminate t from the two equations x = vtcos(theta) and y = vtsin(theta) - (gt^2/2) and obtain a relationship between x and y (assume that v, g and theta are constants)
*Sunday, January 25, 2015 at 1:05am*

**College Algebra and Trigonometry**

if x = ucos(pi/4) - vsin(pi/4) and y = usin(pi/4) + vcos(pi/4), find A, B and C so that, 5x^2 - 6xy + 5y^2 = Au^2 + Buv + Cv^2. Thanks, I really dont know what to do, I've already used almost 20 sheets of paper. Please help me. Thanks.
*Sunday, January 25, 2015 at 1:03am*

**psychlogical statistics**

A random selection of files from a student counseling center revealed the following reasons why college students seek services: Mental health issues - 25 Learning/school issues - 15 Relationship issues - 5 Other - 5 What is the probability that if we pulled another student ...
*Saturday, January 24, 2015 at 8:56pm*

**College Physics**

Two pucks traveling at each other collide and deflect at 30.0° angles from their original velocities. The mass of Puck B is 20% greater than the mass of Puck A. Before colliding, the pucks approach each other with momenta of equal magnitudes and opposite directions. After ...
*Saturday, January 24, 2015 at 6:34pm*

**College Physics**

An electron in a television tube travels the 12 cm distance from the grid to the screen at an average speed of 7.00 107m/s. How long does the trip take?
*Saturday, January 24, 2015 at 5:52pm*

**Education/college **

I had to create some learning goals for a personal Finance course (I am pretending to teach. I have these learning goals that I need to make less ambiguous. Can you help me? Balance a checkbook Understanding the banking process Identify pros and cons of credit cards Assess ...
*Saturday, January 24, 2015 at 3:06pm*

**accounting,life science and history**

What course can I do in college o university and career job can I persue after I've got my degree
*Saturday, January 24, 2015 at 7:57am*

**College Algebra**

Let f(x) = (2/4^x + 2) for real numbers x. Evaluate f(1/2001) + f(2/2001) + ... + f(2000/2001).
*Friday, January 23, 2015 at 11:12pm*

**college algebra **

the distance d in feet that an object travels after t seconds is the modeled by the formula d=16t^2, if you drive from a height of 128 feet how long will it take to hit the water?
*Friday, January 23, 2015 at 6:20pm*

**college algebra**

If the length of molding to create the frame is 84 inches. If the frame surrounding the picture is 3.5 inches wude and the length is 4 inches longer than the width?
*Friday, January 23, 2015 at 6:17pm*

**College Algebra**

Suppose that $6,400 is invested at 0.5% interest, compounded monthly. How much, to the nearest penny, is in the account after 7 years?
*Friday, January 23, 2015 at 3:11pm*

**statistics**

The batting averages of the first three batters in the Eureka College women’s softball team lineup are .310, .301, and .277. If the first three batters are considered as the “lead-off group”, what is the batting average of the group?
*Thursday, January 22, 2015 at 9:03am*

**College Algebra**

Eliminate t from the two equations x = vtcos(theta) ; y = vtsin(theta)-(gt^2/2) ; and obtain a relationship between x and y (assume that v; g and are constants).
*Thursday, January 22, 2015 at 4:12am*

**Social Studies**

1: The government must provide some goods and services because A: they are too expensive for entrepreneurs to provide. B: demand for them is greater than supply. C: private producers have no incentive to do so. D: not many people are interested in buying them. Is the Answer C...
*Wednesday, January 21, 2015 at 9:32pm*

**English**

What is the warrant in this article? BOULDER, Colo. — JUST after Christmas, Veronica Rutledge of Blackfoot, Idaho, took her 2-year-old son to a Walmart store to spend holiday gift cards. As they strolled by the electronics section, according to news reports, the toddler ...
*Wednesday, January 21, 2015 at 8:29pm*

**English **

What is the claim, warrant, and grounds in this article? Smart Guns Save Lives. So Where Are They? BOULDER, Colo. — JUST after Christmas, Veronica Rutledge of Blackfoot, Idaho, took her 2-year-old son to a Walmart store to spend holiday gift cards. As they strolled by the...
*Wednesday, January 21, 2015 at 7:21pm*

**college chemistry **

calculate the average kinetic energies of CH4 and N2 molecules at 273k and 546k
*Tuesday, January 20, 2015 at 11:46am*

**Career**

Of the following career paths, which is NOT likely to have an apprenticeship program? Electrician Carpenter Accountant Fire Fighter What is the main difference between a college and a university? Only universities offer 4-year degree programs Only colleges can be public or ...
*Sunday, January 18, 2015 at 11:46pm*

**algebra**

Montgomery College has a 64-piece band and a 35-piece orchestra. If 14 people are members of both the band and the orchestra, can the band and orchestra travel in two 45-passenger buses?
*Sunday, January 18, 2015 at 5:26pm*

**algebra**

From a survey of 100 college students, a marketing research company found that 70 students owned iPods, 50 owned cars, and 40 owned both cars and iPods. (a) How many students owned either a car or an iPod (but not both)?
*Sunday, January 18, 2015 at 5:22pm*

**Statistics**

A survey or college students collected information on several variables: distance from home, age, major, gender, and class. The variable major is A) neither categorical nor numerical B) categorical C) quantitative Please help :)
*Sunday, January 18, 2015 at 12:47am*

**college/education**

I have to answer the following questions and just need help finding the right place to look. Guess I am no posting the questions right because I get stuff that will not help me. 1. Why is it logical to write test items or assessments before producing instructional strategies? ...
*Thursday, January 15, 2015 at 6:00pm*

**ss**

which of the following are true statements about the qualifications of state legislature? a.senators must be at least 21 years old b.no one without a college degree may be a legislature c.legislatures must be Georgia residents for at least 2 years d.legislatures may serve any ...
*Wednesday, January 14, 2015 at 9:04pm*

**Maths**

College Education and Business world success R. H. Bruskin Associates Market Research found that 40% of American do not think that having a college education is important to succeed in the business world. if a random sample of five Americans is selected, find these ...
*Monday, January 12, 2015 at 2:52pm*

**chemistry college**

At a constant temperature of 20oC and the partial pressure of 760 mmHg, the solubility of CO2 in water is 0.169g per 100mL. If the partial pressure is changed to 43,000 mmHg, what is the solubility of CO2?
*Sunday, January 11, 2015 at 10:57pm*

**college pre-calculus**

4x^2+4y^2-16x-24y+51=0 is the equation of a circle. where is the center of the circle and what is it's radius? A. center (2,3) radius=1/4 B. center (2,3) radius=1/2 C. center (-2,-3) radius=1/4 D. center (-2,-3) radius=1/2
*Sunday, January 11, 2015 at 8:14pm*

**college pre-calculus**

if 1-1/x=2-2/x, then 3-3/x=? A. -3 B. -1/3 C. 0 D. 1/3 E. 3 idek how to do it?
*Sunday, January 11, 2015 at 8:11pm*

**ap college pre-calculus**

if 3abs(x+4)=8, then x=? A. {-10,2} B. {-2,2} C. {-19,11} D. {-22,-14} which one? idek
*Sunday, January 11, 2015 at 8:08pm*

**college pre-calculus**

simplify: (y+1)(y/1-y^2) which answer: A. Y/y-1 B. y/1-y C. y+1/y-1 D. -1 this is what i got y+1/1* Y/1-y^2=-1
*Sunday, January 11, 2015 at 8:05pm*

**college pre-calculus**

simplify: 6-y/6/1/6-1/y 6-y/6*6y/y-6= 6y/6=y Is this correct help i need help!! answers: A. -y B. y C. -6/y D. -1/y which one?
*Sunday, January 11, 2015 at 8:04pm*

**college pre-calculus **

simplify: square root (4/3)-square root (3/4) A. 2-sqaure root(3)/2 square root (3) B. square root (7/12) C. square root (3)/6 D. 2/square root (3) which answer? this is what i got square root (16/12)- square root (9/12)= square root (7/12)
*Sunday, January 11, 2015 at 8:03pm*

**college pre-calculus help**

simplify: 6-y/6/1/6-1/y 6-y/6*6y/y-6= 6y/6=y Is this correct help i need help!!
*Sunday, January 11, 2015 at 8:00pm*

**college chemistry**

what major concepts makes chemistry useful in everday life?
*Saturday, January 10, 2015 at 2:03pm*

**U.S History**

1. Which of these was a precedent that George Washington set? (5 points) a)constitutional amendment process b)formal presidential dinners c)singing of the national anthem d)use of a presidential cabinet 2. "The time for the new election of a citizen to be president of the...
*Friday, January 9, 2015 at 5:56pm*

**College Algebra**

According to data from the National Vital Statistics Report, the marriage rate (marriages per 1000) can be described by y=-0.146x+11.074, where x is the number of years after 1980. For what years does this model indicate that the marriage rate was above 9 marriages per 1000? ...
*Thursday, January 8, 2015 at 1:27am*

**College Algebra**

A pharmacist wants to mix two solutions to obtain 100 cc of a solution that has an 8% concentration of a certain medicine. If one solution has a 10% concentration of the medicine and the second has a 5% concentration, how much od each of these solutions should she mix? I am ...
*Wednesday, January 7, 2015 at 11:29pm*

**college chemistry**

a solution of CH4N2O in water has a vapor pressure of 19.6 torr. at 25C. what is the mole fraction of CH4N2O in this solution? HELP ME WATER PURE PRESSURE (P0) IS 23.8 TORR VAPOR PRESSURE IS 19.6 TORR DONT KNOW HOW TO SOLVE IT ? P(SOLUTION)= X (CH4N2O) WATER (PURE PRESSUR
*Tuesday, January 6, 2015 at 10:57pm*

**government**

Some might suggest that the Constitution favoured placing power in the hands of economic elites. Which of the following does NOT fit this argument? A. The Electoral College B. The election of senators C. The Tenth Amendment D. The presidential veto I think D-don't think ...
*Tuesday, January 6, 2015 at 9:03pm*

**college pre-calculus**

what is the equation of lowest degree with real coefficients if two of its roots are -1 and 1+i? A. x^3+x^2+2=0 B. x^-x^2-2=0 C. x^3-x+2=0 D. x^3-x^2+2=0 e. none of the above i dont get it is it (x+1) (1+i)
*Tuesday, January 6, 2015 at 6:18am*

**college**

a solution is prepared by mixing 50.0 mL toluene (C6H5CH3 d=0.867 g/mL) with 125 mL Benzene (C6H6 d=0.874 g/mL). assuming that the volumes add upon mixing, calculate the mass percent, mole fraction, molality, and molarity of the toluene.
*Monday, January 5, 2015 at 11:58pm*

**college chemistry**

a solution is made by dissolving 25 g NaCl in enough water to make 1.0 L solution. Assume that density of the solution is 1.0 g/mL. calculate the mass percent, molarity, molality, and mole fraction of NaCl.
*Monday, January 5, 2015 at 11:48pm*

**Government**

The cost of the Iraq War, as of June 2009, equals: A. Giving 32 million four-year college scholarships B. enrolling more than 100 children in Head Start programs C. building 5 million new public-housing units D. either A or B is correct The books says that 114 million kids in ...
*Monday, January 5, 2015 at 7:17pm*

**History **

1.Which of these was a precedent that George Washington set? A. constitutional amendment process B.formal presidential dinners C.singing of the national anthem D.use of a presidential cabinet 2.“The time for a new election of a citizen be president of the United States is...
*Monday, January 5, 2015 at 10:38am*

**College Math**

variance of 30 for a data, what is the standard deviation
*Sunday, December 21, 2014 at 5:56pm*

**College Math**

numbers given are: 3.5, 2.6, 3, 3.1, 2.6, 2.8, range is 0.9 z-score of 3.1 is Okay I am lost
*Sunday, December 21, 2014 at 5:06pm*

**College Math**

mean of 21 and standard deviation of 1.2, what is the z-score of 21 No clue how to figure this out
*Sunday, December 21, 2014 at 4:50pm*

**College Math**

The number of visitors to your business website increased at a rate of 60% per day, going from 30 per day to 30,000 per day. How many days did it take to go from 30 to 30,000 visitors per day? 30,000(1+0.6) but I need to solve for t that's where I get lost.
*Sunday, December 21, 2014 at 4:23pm*

**staticsits**

65 % college students believe that their online education. give the null hypotheis for testing the claim made by survey what is the null hypothesis
*Thursday, December 18, 2014 at 9:58pm*

**Math**

For a college football field with the dimension shown, the angle for kicking a field goal from a ( horizontal) distance of x feet from the goal post is given by∅(x)=tan^(-1)〖(29.25/x〗)-〖tan^(-1) (〗〖10.75/x〗...
*Wednesday, December 17, 2014 at 12:46pm*

**College Math**

Brent invested $5607 in an account at 2% compounded weekly. Calculate the total investment after 7 years. Please show me the steps. I tried using this formula but it did not work. A=P(1+r/n)^6x1
*Tuesday, December 16, 2014 at 5:59pm*

**college student**

Two spheres of mass 2 kg and 3 kg are attached to the ends of a light rigid rod of length 1.0 m. What is the moment of inertia of the system about an axis perpendicular to the rod and (i) passes through the centre of the rod (ii) passes through the 2 kg sphere
*Tuesday, December 16, 2014 at 5:47am*

**Life Span Development**

Question 1 1-The quality of a children’s attachments has been found to affect a-what children expect social interactions to be like. b-whether children remember positive or negative aspects of events better. c-children’s concepts of themselves. d-all of the above. (I...
*Tuesday, December 16, 2014 at 12:12am*

**essex couty college **

translate this sentence into an equation rita's score decreased by 16 is 61
*Monday, December 15, 2014 at 7:03pm*

**College math 100**

A midwestern music competition awarded 40 ribbons.The number of blue ribbons awarded was 2 less than the number of white ribbons. The number of red ribbons was 3 more than the white ribbons. How many of each kind of ribbons was awarded?
*Friday, December 12, 2014 at 9:32pm*

**To Morgan**

Where are you getting all of this stuff? What university/college? Where do the exercises(questions) come from? What sources to you have for study? What percentage are you getting from Jiskha? Thanks. I'm just curious.
*Friday, December 12, 2014 at 1:10am*

**Math**

When Curtis was born, his parents began depositing $1000 at the end of every year into an annuity to save for his college education. If the account paid 7% compounded annually for the first 10 years and then dropped to 5% for the next eight years, how much is the account worth...
*Thursday, December 11, 2014 at 8:32pm*

**math 120**

A recent poll of a random sample of 400 students at a public 4-year college showed the average (mean) amount of time spent using email was 49 minutes per day with a standard deviation of 44 minutes. a. find a 95% confidence interval fot the population mean
*Thursday, December 11, 2014 at 1:59am*

**social studies**

why did post revolutinary americans value education? a college degree needed to get a job. they wanted to understand the world. they loved learning and wanted to understand the world. they believed educated citizens were needed to elect leaders for the new country.
*Wednesday, December 10, 2014 at 3:24pm*

**Math**

When Curtis was born, his parents began depositing $1000 at the end of every year into an annuity to save for his college education. If the account paid 7% compounded annually for the first 10 years and then dropped to 5% for the next eight years, how much is the account worth...
*Wednesday, December 10, 2014 at 3:18pm*

**College Algebra**

In 1974, Johnny Miller won 8 tournaments on the PGA tour and accumulated $353,022 in official season earnings. In 1999, Tiger Woods accumulated $6,616,585 with a similar record. (a) Suppose the monthly inflation rate from 1974 to 1999 was 0.0079. Use the compound interest ...
*Wednesday, December 10, 2014 at 2:10pm*

**College Algebra**

If monthly payments p are deposited in a savings account paying an annual interest rate r, then the amount A in the account after n years is given by A= p(1+r/12)[(1+r/12)^12n - 1]/ (r/12) Graph A for the values of p and r. p = 100, r = 0.06 Estimate n for A = $200,000. (Round...
*Wednesday, December 10, 2014 at 11:38am*

**College Algebra**

According to Newton's law of cooling, the rate at which an object cools is directly proportional to the difference in temperature between the object and the surrounding medium. The face of a household iron cools from 130° to 100° in 30 minutes in a room that ...
*Wednesday, December 10, 2014 at 11:26am*

**College Algebra **

The number of bacteria in a certain culture increased from 500 to 1000 between 7:00 A.M. and 9:00 A.M. Assuming growth is exponential, the number f(t) of bacteria t hours after 7:00 A.M. is given by f(t) = 500(2)^t/2. (a) Estimate the number of bacteria in the culture at 8:00 ...
*Wednesday, December 10, 2014 at 11:25am*

**Abnormal Psychology **

I need help diagnosis this case for my abnormal psychology review. Mr. B is a 20-year-old male college student who was recently arrested for possession of marijuana, which was detected when he was stopped for un¬safe driving. He was charged with driving while intoxicated ...
*Tuesday, December 9, 2014 at 9:26pm*

**Lat math question for some days. Can y'all help?**

Huan deposited $850 into a college savings account earning 4.8% interest compounded annually. He also deposited $850 into a second account earning 4.8% simple interest. He made no additional deposits. After 10 years, which account earned more interest? How much more? A The ...
*Tuesday, December 9, 2014 at 8:27pm*

**MATH HELP ASAP!**

Randee invested $1000 for college in an account earning 5% simple interest. When she withdrew the investment, she had earned a total of $550 in interest. How long was the money invested? A 9 years B 10 years C 11 years D 12 years
*Tuesday, December 9, 2014 at 7:53pm*

**art help**

1.Generally, artists change their styles A. Often because of the influence of events that happen in life. B. Rarely because it confuses the audience.*** C. Frequently to keep life exciting. D. Never because they are not able to 2.Most artists fall into a praticular style ...
*Monday, December 8, 2014 at 11:02pm*

**History**

The election of 1800 was decided by A. The Senate B. House of Reps C. Popular Votes D. Electoral College B 2. The Supreme Court reviewing and ruling on acts of other branches of the gov is called A. Supremacy B. Law review C.Judicial review D.Supreme Ruling Answer : C 3. The ...
*Monday, December 8, 2014 at 5:32pm*

**College Algebra**

Find all the zeros of the polynomial function by using the Rational Zero Theorem, Descartes Rule of Signs and Synthetic Division. f(x)=x^3-3x^2-33x+35
*Monday, December 8, 2014 at 3:01pm*

**college gen chem**

An igneous rock contains a Pb−206/U−238 mass ratio of 0.367. How old is the rock? (U−238 decays into Pb−206 with a half-life of 4.50×109 yr.) I'm not sure how to get started on this :/
*Saturday, December 6, 2014 at 9:48pm*

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