Posts by tina

Total # Posts: 1,258

Math
You are 40 years old and have a salary of \$50,000 per year. When you retire at age 66, you want to have a salary that has the same buying power as the one you currently have. If you estimate that the inflation rate will be 1.25% per year, what will your final salary need to be?

Chemistry
Barium Nitrate is a not very soluble nitrate. Calculate the Ksp (at 25 degrees) from the following ΔG's: Ba2+ = -561kj/mole NO3 1- = - 109kj/mole Ba(NO3)2 = - 797 kj/mole

Math
Give example of each function: (a) degree 2; two zeros, the function decreases then increases (b) degree 3; three zeros, the function increases, decreases, then increases (c) degree 3; two zeros, the function decreases, increases, then decreases (d) degree 1; one zero, the ...

chemistry
Write ksp for ba3(po4)2 in an aqueous solution

Math
Give example of each function: (a) degree 2; two zeros, the function decreases then increases (b) degree 3; three zeros, the function increases, decreases, then increases (c) degree 3; two zeros, the function decreases, increases, then decreases (d) degree 1; one zero, the ...

trig
4 divided by 6 = 1.5 1.5 times 18 = 27 the answer is : 27

Programming Logic
Find bugs. // The two senior class homerooms at Littleville High School // are having a fundraising drive for the prom. Each time a student // solicits a contribution, a record is created with the // student's name and the value. Two files have been created for Homeroom A ...

Programming logic
Thank you syed!!

physics
A catapult launches a rocket at an angle of 47.5° above the horizontal with an initial speed of 109 m/s. The rocket engine immediately starts a burn, and for 2.49 s the rocket moves along its initial line of motion with an acceleration of 30 m/s2. Then its engine fails, ...

a rocket initially at rest on the ground lifts off vertically with a constant acceleration of 2.0 X 10^4 meter per second squared. How long will it take the rocket to reach an altitude of 9.0 X 10^3 meter?

political science
A _______________ is the best example of an informational benefit provided by many interest groups. a) travel discount b) free T-shirt c) health insurance program d) newsletter e) consciousness-raising workshop

political science
When membership in an organization allows for a reductions in the price of museum tickets, it is called a a) purposive benefit b) bribe c) promotion offer d) material benefit e) solidary benefit

political science
when paid staff conduct most of the daily business of a group, that group is best described as a a) PAC b) free-rider group c) 527 committee d) staff organization e) lobbyist

chemistry
75°

English
I need help writing a thesis statement on the power of research.

programming logic
Find Bugs in the pseudocode // A high school is holding a recycling competition // This program allows a user to enter a student's // year in school (1 through 4) // and number of cans collected // Data is entered continuously until the user wnats to quit // After headings...

poli sci 150
Compared with Western Europe, the United States ha a(n) _____________ turnout in elections. a) unstudied b) toughly equivalent c) noncomparable d) higher e) lower

poli sci 150
One important cause of the United States' two-party system is a) single-member electoral districts b) proportional representaion c) the Constitution's requirement for bipartisanship in Congress d) internal mobilization e) multimember electioral districts

the staff
should complete course in accouting bookkepping and use office eqiipment secretaries

Chemistry
Calculate the molality of a solution prepared by dissolving 31.6 g of Fe2O3 in 750. g of water

Math
At a distance of 56 feet from the base of a flag pole, the angle of elevationi to the top of a flag that is 3.1 feet tall is 25.6 degrees. the angle of elevation to the bottom of the flag is 22.9 degrees. the pole extends 1 foot above the flag. find the height of the pole.

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.

writing
Where in the Harry Potter series does hermione Granger become a woman?

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

media
what is the difference between "homogenization" and "nationalization" of the news?

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?

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.

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/

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

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 ...

media
True or False Newspapers are among the most heavily regulated media in the United States.

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

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

Psy
Which theoretical model does homework assigned by Dr. Smith match?

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 ...

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

Political Science/Media
True or False Because of their dependence of government sources, the news media are unable to set the agenda of debate.

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

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 ...

Political Science
True or False Calling randomly selected phone numbers is the main method pollsters use to gather a random sample.

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 ...

math
20400

medical billing mid term
what's the answer to the question number 24 on the ledger?

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

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 ...

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

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...

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 ...

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...

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, ...

Algebra
Input 2 output 8

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

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

Calc 1
Can someone draw the picture?

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

Statistics
Find t-value for sample size n = 16 and area to the right 0.10

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

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

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.

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...

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% ...

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

math
simplify 8x-2y-x+5y

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...

Contemporary Communication
What makes a good person a communicator?

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 ...

Chem
For number four the answer would be reactant? Correct?

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...

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

statistics
____o_____o_____ | _______o_______| | ____o_____o_____| Sorry. This is the correct picture

statistics
____o_____o_____ | | _______o________ | | ____o_____o_____ This is the correct picture

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

Social Studies
What Is The New Jersey Plan

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?

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 ...

PHI 103
appeal to pity

math
how do you figure 4 1/2 to 1 3/10 ration as a fraction in lowest terms?

Algebra 1
using point slope formula how do you graph y-2=-3(xt2)

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.

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 ...

English
to announce a message

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

statistics
Find the value of z such that approximately 20.88% of the distribution lies between it and the mean.

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?

spanish
How do I use the cue to write sentence with the ver gustar for: Roberto/los libros de misterio/no

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?

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

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?

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?

statistics
Find the (two) z-scores that bound the middle 40% of the standard normal distribution. please show the work.

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?

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 ...

psy.
Intimacy

precalculus
solve the inequality and write the answer using interval notation 50/(x+4)+1<4x

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

precalculus
solve the equation in the complex number system x^4+x^3+4x^2+10x-60=0

precalculus
solve the equation in the complex number system x^4+x^3+4x^2+10x-60=0

precalculus
Solve the logarithmic equation. Express your solutions in exact form only. 18e^-x -e^x=7

precal
Find the components and so that fog =H . H(x)=log_3e^x

statistics
Can any sample proportion less than 0.5 be used to support a claim that the population proportion is greater than 0.5?

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