Friday
October 21, 2016

# Homework Help: College

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 by Monica

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 by Katlyn

College Human Geography
"What role does race play in the film?" Can someone explain this question?
Monday, February 2, 2015 by Ana

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 by Kayla

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 by Alecia

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 by Anonymous

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 by Mary

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 by Chuck

college mathematics 1
describe the graph of g(x)=f(x)+1 relitave to f(x)
Thursday, January 29, 2015 by chris

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 by Daywana

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 by Sierra

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 by star

college algebra
x represent the unknown value eight more than one-sixth of a number
Thursday, January 29, 2015 by Meche

EdTech
Thursday, January 29, 2015 by Ziggy

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 by tamijah23

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 by airam

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 by Anonymous

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 don't know what to do.
Monday, January 26, 2015 by Alexandra

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 by Ana

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 by Jhersey

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 don't know what to do, I've already used almost 20 sheets of paper. Please help me. Thanks.
Sunday, January 25, 2015 by Nicole

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 by theresa

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 by Bill Smithers

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 by John

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 by Cathy

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 by nokuthula molekoa

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 by Alec

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 by meri

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 by meri

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 by Liz

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 by patricia

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 by Cheska

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 by Anonymous

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 by Anonymous

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 by Anonymous

college chemistry
calculate the average kinetic energies of CH4 and N2 molecules at 273k and 546k
Tuesday, January 20, 2015 by Ellie

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 by 2phoneeeeee

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 by jeanette

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 by jeanette

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 by Macy

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 by Cathy

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 by sam

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 by saima

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 by Anonymous

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 by Derek

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 by Derek

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 by Derek

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 by Derek

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 by Derek

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 by Derek

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 by Derek

college chemistry
what major concepts makes chemistry useful in everday life?
Saturday, January 10, 2015 by edward

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 by ~Eun Woo~

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 by Math Sucks

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 by Math H of the medcater

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 by yeng

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 by Carrie

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 don't get it is it (x+1) (1+i)
Tuesday, January 6, 2015 by kyle

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 by Kyle

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 by Kyle

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 by Carrie

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 by Lizzy

College Math
variance of 30 for a data, what is the standard deviation
Sunday, December 21, 2014 by Patricia

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 by Patricia

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 by Patricia

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 by Patricia

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 by jacqueline

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 by Amna

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 by Pat

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 by saalim

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 by Sharon

essex couty college
translate this sentence into an equation rita's score decreased by 16 is 61
Monday, December 15, 2014 by rosa arias

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 by Hicks

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 by DrBob222

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 by Jennifer

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 by Anonymous

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 by Anonymous

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 by Jenna

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 by Ashton

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 by Ashton

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 by Kyle

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 by Kyle

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 by Matt

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 by DerpyPegasus33

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 by DerpyPegasus33

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 by Callie

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 by M

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 by Toni

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 by sam

HISTORY
True False The Ku Klux Klan had its origins in a college fraternity in South Carolina in the 1830s. I'd say false, didn't they form the KKK in 1860s? Rutherford Hayes won a landslide victory in the election of 1876. I'm not sure about this one because he initially ...
Thursday, December 4, 2014 by Anonymous

college algebra
Find a12 when a1 = 5 and r = – 2.
Thursday, December 4, 2014 by Anonymous

College Physics
Suppose a 10.0 kg fireworks shell is shot into the air with an initial velocity of 62.0 m/s at an angle of 80.0 degrees above the horizontal. At the highest point of its trajectory, a small explosive charge separates it into two pieces, neither of which ignite (two duds). One ...
Wednesday, December 3, 2014 by Marqueta

Ashworth College
A study of students taking Statistics 101 was done. Four hundred students who studied for more than 10 hours averaged a B. Two hundred students who studied for less than 10 hours averaged a C. This difference was significant at the 0.01 level. What does this mean?
Wednesday, December 3, 2014 by justice

College Algebra
A total of \$14,000 is invested in 3 accounts earning 3%, 4%, and 5% annual interest. The combined interest for one year is \$539. If the amount invested at 5% is three times the amount at 4%, find the amount invested at 3%.
Wednesday, December 3, 2014 by Brad

Statistics
The proportion of students who own a cell phone on college campuses across the country has increased tremendously over the past few years. It is estimated that approximately 90% of students now own a cell phone and 10% do not own a cell phone. Fifteen students are to be ...
Wednesday, December 3, 2014 by Mackenzie

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 ...
Wednesday, December 3, 2014 by Odalis

ashworth college
The amount of Jen’s monthly phone bill is normally distributed with a mean of \$50 and a standard deviation of \$10. Find the 25th percentile
Tuesday, December 2, 2014 by justice

Statistics
At one college, GPA’s are normally distributed with a mean of 2.9 and a standard deviation of 0.6. Find the 70th percentile.
Tuesday, December 2, 2014 by justice

Ashworth college
The lifetimes of light bulbs of a particular type are normally distributed with a mean of 270 hours and a standard deviation of 11 hours. What percentage of the bulbs has lifetimes that lie within 2 standard deviations of the mean on either side? Apply the 68-95-99.7 rule to ...
Tuesday, December 2, 2014 by Justice

American History
1. Reagan embraced the idea that through tax incentives the private sector would shift its resources from tax shelters to productive investment. This theory is referred to as A. supply-and-demand economics. B. neofederalism. C. deficit economics. D. supply-side economics. 2. ...
Monday, December 1, 2014 by Anonymous