Friday

December 19, 2014

December 19, 2014

Total # Posts: 1,025

**Math (Pre-Calc)**

An airplane is flying east at a constant altitude of 28,000 meters. When first seen to the east of an observer, the angle of elevation to the airplane is 71.5 degrees. After 73 seconds, the angle of elevation is 51.6 degrees. Find the speed of the airplane.
*April 7, 2012*

**writing**

Where in the Harry Potter series does hermione Granger become a woman?
*March 29, 2012*

**math**

how do you put these fractions in order 1/4, 6/7, 3/5 from least to greatest
*March 27, 2012*

**media**

what is the difference between "homogenization" and "nationalization" of the news?
*March 26, 2012*

**math**

Laurie expects to make $100,000 in 2007. Her social security tax rate is 6.20% up to the wage base, Medicare is 1.45%. How much FICA is Laurie expected to pay for the year?
*March 24, 2012*

**math**

The total amount of interest on a loan of $6,000 for 150 days is $210.50. Using the ordinary interest method, what is the rate of interest on this loan? Round to the nearest hundredth.
*March 24, 2012*

**math**

A grocery store buys 30 gallons of milk at a cost of $1.58 per gallon. The owner expects a 15% spoilage rate. To achieve a 20% markup based on cost, what should be the selling price per gallon? Round to the nearest cent/
*March 24, 2012*

**media**

which media source is most critical in setting news agendas? a) the Internet b) tv c) magazines d) radio e) newspaper
*March 21, 2012*

**media**

what trend has helped hasten the homogenization of national news in the past decade? a) a rise of the Internet as a major source of news reporting b) the corporate consolidation of news media into a small number of conglomerates c) the growing popularity of newspapers as a ...
*March 21, 2012*

**media**

True or False Newspapers are among the most heavily regulated media in the United States.
*March 21, 2012*

**media**

because of their dependence on government sources, the news media are unable to set the agenda of debate. true or false
*March 21, 2012*

**media**

most local newspapers get their national news from a) government reports, press briefings, and announcements b) interviews with politicians c) local reporters d) wire services e) the Internet
*March 21, 2012*

**Psy**

Which theoretical model does homework assigned by Dr. Smith match?
*March 19, 2012*

**Psy**

I have read my reading materials and answered to the best of my understanding. If anyone could help I would appreciate it! Comparing Systems of Abnormality Psychologists use several different models to explain abnormal behavior. These different models have created shifts in ...
*March 19, 2012*

**Political Science/Media**

which of the following news sources typically provides the LEAST depth while covering topics? a) television b) magazines c) radio d) the Internet e) newpapers
*March 16, 2012*

**Political Science/Media**

True or False Because of their dependence of government sources, the news media are unable to set the agenda of debate.
*March 16, 2012*

**political science/media**

most local newspapers get their national news from... a) government reports, press brieefings, and announcements b) interviews with politicians c) local reporters d) wire services e) the Internet
*March 16, 2012*

**political Science**

Whice statement about public opinion polls is NOT True? a) in modern election campaigns, politicians have almost never used public opinion polls. b) politicians use polls in order to help them make decisions about whether to run for office, what policies to support, and what ...
*March 14, 2012*

**Political Science**

True or False Calling randomly selected phone numbers is the main method pollsters use to gather a random sample.
*March 14, 2012*

**political science**

An important reason for why public policy and public opinion may not coincide in the United States is that... a) the American system of government includes arrangements, such as an appointed judiciary, which may produce policy decisions that run contraty to prevailing popular ...
*March 14, 2012*

**math**

20400
*March 14, 2012*

**medical billing mid term**

what's the answer to the question number 24 on the ledger?
*March 14, 2012*

**political science**

which of the following terms describe America's fundamental political values? a) internationalist & isolationiat b) inedpendent & moderate c) Republican & Democrat d) liberal & conservative e) liberty, equality & democracy
*March 12, 2012*

**Circuits**

I want to know why is it that a voltage in a capacitor cant change instantaneously and why the current in an inductor cant change instantaneously either. Also, a capacitor stores energy, like a battery, right? Why is it that it can't be used to power, say, and electric ...
*March 10, 2012*

**physics**

A person can jump a horizontal distance of 2.59 m on the Earth. The acceleration of gravity is 11.8 m/s2 . How far could he jump on the Moon, where the free-fall acceleration is 0.297g? Answer in units of m
*March 8, 2012*

**Account**

For the current year, Sheila Jones had adjusted gross income of $100,000. During the year, she contributed $6,000 to her church and an additional $3,000 to qualified charities. She also contributed religious artwork with a fair market value of $60,000 and a basis of $20,000 to...
*March 8, 2012*

**statistics**

A random sample of 31 people employed by the Florida state authority established they earned an average wage (including benefits) of $56 per hour. The sample standard deviation was $6.35 per hour. (a)What is your best estimate of the population mean? (b)Develop a 99 percent ...
*March 8, 2012*

**statistics**

A random sample of 31 people employed by the Florida state authority established they earned an average wage (including benefits) of $56 per hour. The sample standard deviation was $6.35 per hour. Develop a 99 percent confidence interval for the population mean wage (including...
*March 8, 2012*

**Chemistry**

In phosphoric acid, why is it relatively easy to remove the first proton, considerably harder to remove the second proton, and extremely difficult to remove the third proton in chemical reactions? I'm not sure about this one is it because each time a proton is removed, ...
*March 5, 2012*

**chem 2**

A buffer is prepared by adding 300.0mL of 2.0M NaOH to 500.0mL of 2.0M CH3COOH. What is the pH of this buffer? ka=1.8x10-5
*March 3, 2012*

**Statistics**

For sample mean x = 150, sample size n = 36 and sample standard deviation s = 40 find 80% confidence interval for population mean. Population standard deviation is not known
*February 24, 2012*

**Calc 1**

Can someone draw the picture?
*February 24, 2012*

**Chemistry**

If 30% of a sample of radioactive isotope decays in 24 hrs, what is the half-life? How do i know which order to use? and do I convert hr to mins or seconds? Pls help for my exam tomorrrow
*February 23, 2012*

**Statistics**

Find t-value for sample size n = 16 and area to the right 0.10
*February 22, 2012*

**statistics**

Sample with size n = 100 has mean = 30. Assuming the population standard deviation is 8, construct 95% confidence interval for population mean.
*February 22, 2012*

**statistics**

Sample with size n = 100 has mean = 30. Assuming the population standard deviation is 8, construct 95% confidence interval for population mean.
*February 22, 2012*

**Chemistry**

How do you calculate the mass in kilograms of 3.99 liters of acetic acid. The density of this substance is 1.05 g/mL.
*February 18, 2012*

**AlgebraII**

PLEASE HELP! I DO NOT KNOW WHAT TO DO? The maximum weight that a rectangular beam can support varies jointly as it's width and the square of its height and inversely as its length. If a beam 1/2 foot wide, 1/3 foot high, and 10 feet long can support 12 tons find how much a...
*February 18, 2012*

**consumer math **

Jim opened an account with $400. The account pays three percent quarterly. How much is in the account at the end of two years? Round to the nearest dollar. (Points : 1) 5. Use this table to answer questions 5 through 8. Principal Rate Compounded Time Final Amount $10,000 2% ...
*February 12, 2012*

**math**

Riverra owns a company that maker ceiling tiles. she chargers $6 per square foot. how much would it cost to put in ceiliing tiless to a room that measured 6 feet by 12 feet
*February 8, 2012*

**math**

simplify 8x-2y-x+5y
*February 6, 2012*

**statistics**

I am working on a problem in which you've helped someone else on a z-score percentile problem. I have my z-score and my number from the z-table. I'm trying to input it correct in spss but I'm not sure how to set it up. This is what I have so far... Question:What is...
*February 2, 2012*

**Contemporary Communication**

What makes a good person a communicator?
*January 30, 2012*

**Chem**

I really appreciate the help you gave me earlier. I was wondering if you could please look over these questions for me to? The answers will always be either reactant, product or neither. 1)P4(s)+6 Cl2(g)<=>4 PCl3(l) Which side of the reaction will be favoured by an ...
*January 29, 2012*

**Chem**

For number four the answer would be reactant? Correct?
*January 29, 2012*

**Chem**

I have 4 questions, I got the answer for three of them and just want you to check and see if they are right and i do not know the answer to the fourth one. 1)4HCl(g)+O2(g)<=>2H2O(g)+2Cl2(g)+114.4 kJ Which side of the reaction will be favoured by an decrease in pressure...
*January 29, 2012*

**Statistics**

Two fair six-sided dice are rolled and total of results on the top of each doe observed. Find the probability that total is 8
*January 28, 2012*

**statistics**

____o_____o_____ | _______o_______| | ____o_____o_____| Sorry. This is the correct picture
*January 27, 2012*

**statistics**

____o_____o_____ | | _______o________ | | ____o_____o_____ This is the correct picture
*January 27, 2012*

**statistics**

What is the probability that the following system works if each unit fails independently with probability p? ____o_____o_____ | | _______o________ | | ____o_____o_____ Note: In the above circuit "o" represents 5 relays in the circuit with propability p
*January 27, 2012*

**Social Studies**

What Is The New Jersey Plan
*January 22, 2012*

**Finance math**

If $100 is invested at 6% compunded A - annually B - quarterly C - monthly what is the amount after 4 years? How much interest is earned?
*January 21, 2012*

**Literature**

Assuming “Kubla Khan” is a deliberate fragment (i.e. that it is finished in its unfinished state), what does the introductory narrative imply about the nature of (ideal) poetic creation? How does the narrative frame our understanding of what the poem fragment is or ...
*January 15, 2012*

**PHI 103**

appeal to pity
*December 15, 2011*

**math**

how do you figure 4 1/2 to 1 3/10 ration as a fraction in lowest terms?
*December 15, 2011*

**Algebra 1**

using point slope formula how do you graph y-2=-3(xt2)
*December 12, 2011*

**calculus**

A rectangle is inscribed in an isosceles triangle. If the sides of the triangle are 10, 10 and 12, what are the dimensions of the rectangle having the greatest area? The diagram shows the triangle on a set of axes with base 12 on the x axis and the top vertices on the y axis.
*December 11, 2011*

**stat**

Assume that the population of heights of female college students is approximately normally distributed with mean m of 67.26 inches and standard deviation s of 5.96 inches. A random sample of 78 heights is obtained. Show all work. (A) Find (B) Find the mean and standard error ...
*December 10, 2011*

**English**

to announce a message
*December 7, 2011*

**geometry**

Find the measure of the vertex angle of an isosceles triangle if either of the exterior angles formed by extending the base measures of 112
*December 1, 2011*

**statistics**

Find the value of z such that approximately 20.88% of the distribution lies between it and the mean.
*November 30, 2011*

**statistics**

What is the probability that a student in a college of 650 students in both a math major and a computer science major ( assuming these events are independent) If there are 72 math majors and 105 computer science majors?
*November 30, 2011*

**spanish**

How do I use the cue to write sentence with the ver gustar for: Roberto/los libros de misterio/no
*November 30, 2011*

**Algebra**

Sue can shovel snow from her driveway in 45 minutes. Jim can do the same job in 55 minutes. How long would it take them if they worked together?
*November 27, 2011*

**Chemistry**

Kp = Kc (RT) (exponent = (2+1)-2) 0.700 = Kc (R * 319) not sure what R is or how to figure it out????
*November 27, 2011*

**Chemistry**

At 319K the decomposition of dinitrogen tetroxide occurs with the following Kp: 2NO2(g)<>2NO(g)+O2(g) Kp=.700 What is the value of Kc for this reaction?
*November 27, 2011*

**statistics**

If the random variable z is the standard normal score and a > 0, is it true that P(z > -a) = P(z < a)? Why or why not?
*November 26, 2011*

**statistics**

Find the (two) z-scores that bound the middle 40% of the standard normal distribution. please show the work.
*November 26, 2011*

**Ethical Decision Making Case Study**

Paula realizes that the medical record she is reviewing belongs to Bob, her best friend's fiance Paula learns that Bob has HIV. Paula knows her friend does not know of Bob's condition. What can Paula do without violating HIPPA?
*November 26, 2011*

**stats**

In testing a new drug, researchers found that 1% of all patients using it will have a mild side effect. A random sample of 12 patients using the drug is selected. Find the probability that: (A) exactly one will have this mild side effect (B) at least one will have this mild ...
*November 23, 2011*

**psy.**

Intimacy
*November 21, 2011*

**precalculus**

solve the inequality and write the answer using interval notation 50/(x+4)+1<4x
*November 12, 2011*

**english**

Zora's lemon tree produces to mush fruit. she gives them away, therefore to her friends and neighbors.
*November 12, 2011*

**precalculus**

solve the equation in the complex number system x^4+x^3+4x^2+10x-60=0
*November 12, 2011*

**precalculus**

solve the equation in the complex number system x^4+x^3+4x^2+10x-60=0
*November 12, 2011*

**precalculus**

Solve the logarithmic equation. Express your solutions in exact form only. 18e^-x -e^x=7
*November 11, 2011*

**precal**

Find the components and so that fog =H . H(x)=log_3e^x
*November 9, 2011*

**statistics**

Can any sample proportion less than 0.5 be used to support a claim that the population proportion is greater than 0.5?
*November 9, 2011*

**math**

f a stone is tossed from the top of a 330 meter building, the height of the stone as a function of time is given by h(t) = -9.8t2 – 10t + 330, where t is in seconds, and height is in meters. After how many seconds will the stone hit the ground? Round to the nearest ...
*November 9, 2011*

**precalculus**

find the component f and g so that fog =H H(x)=log3 e^x
*November 8, 2011*

**recalus**

find the component f and d , so that fog =H H(x)=log-3 e^x
*November 8, 2011*

**college math**

1500.00
*November 7, 2011*

**chem**

Im not sure how to go about this: Calculate the number of gramms in 0.65 mole of aluminum carbonate?
*November 4, 2011*

**Physics**

Your teacher tosses a basketball. The ball gets through the hoop (lucky shot). Height of hoop= 3.048m height of person= 2.342 m the ball is thrown at 17 m/s at an angle of 46 degress Part 1: How long does it take the ball to reach its max height? Part 2: How long does it take ...
*November 2, 2011*

**Physics**

To win the game, a place kicker must kick a football from a point 20 m (21.872 yd) from the goal, amd the ball must clear the crossbar, which is 3.05 m high, When kicked, the ball leaves the ground with a speed of 16 m/s at an angle of 58.1 degrees from the horizontal. The ...
*November 2, 2011*

**algebra**

PLEASE HELP ME FIND x/-3 = 3/-2 Thanks!
*October 31, 2011*

**Chemistry 105**

How many mL of O2 will form from 55.2g KClO3?
*October 22, 2011*

**Math**

If you had a fraction strip folded into twelfths, what fractional lengths could you measure with the strip? b. How is your answer in part (a) related to the factors of 12?
*October 20, 2011*

**Math**

7x+6=9x 6=2x x=3 Sam made 7x which is 21 Wilbur made 9x which is 27
*October 18, 2011*

**Intermediate Algerbra**

x=5
*October 18, 2011*

**math 10**

(2^2)^3 you would multiply the exponents so that 2^6 which is 64
*October 18, 2011*

**Intermediate Algebra**

f(0)=-10 y-intercept is (0,-10) f(x)=0=5x-10 10=5x x=2 x-intercept is (2,0)
*October 18, 2011*

**Calculus**

find the limit as x approaches zero of (3sin2x)/sin7x and show work
*October 18, 2011*

**Algebra 1**

first put it in slope intercept form 5x+6y=-12 6y=-5x-12 y=(-5/6)x-2 so: f(x)=(-5/6)x-2
*October 18, 2011*

**Algebra 1**

just change y to f(x) y=2x f(x)=2x
*October 18, 2011*

**Physics**

You buy a plastic dart gun, and being a clever physics student you decide to do a quick calculation to find its maximum horizontal range. You shoot the gun straight up, and it takes 3.8 s for the dart to land back at the barrel. What is the maximum horizontal range of your gun?
*October 17, 2011*

**Physics**

An Olympic long jumper is capable of jumping 8.3 m. Assume that his horizontal speed is 9.5 m/s as he leaves the ground. He was in the air for .87 seconds. How high does he go assuming that he lands upright, the same way he was when he left the ground?
*October 17, 2011*

**Physics**

At what projection angle will the range of a projectile equal to 5 times its maximum height?
*October 16, 2011*

**MBA Practice problems**

you are presently involved with a project to establish the cost of the gold presently used in the production of 1000 computer chips per month. each chip uses two grams of 20 ct gold with the remaining portion of a metal whose cost is insignificant. what is the monthly cost of ...
*October 14, 2011*

**physics**

A ball thrown horizontally at 22.3 m/s from the roof of a building lands 31.0 m from the base of the building. How high is the building?
*October 13, 2011*

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