Saturday
December 10, 2016

# Posts by brenda

Total # Posts: 502

Math
100+8x = 75+10x 100-75 = 10x-8x 25 = 2x /2 /2 12.5 = x If you order 12.5 squares, the cost will be the same!!!
February 21, 2012

sales tax
How much tax is there on 268.00 @6%
February 11, 2012

Can somebody explain what organizational structure of a company means? I read the definitions, but I still do not understand it.
January 29, 2012

algebra
r/3+7=-4?
January 26, 2012

math 121
1. A college offers three different psycology . courses, four different history courses, and six different business courses. If a student is required to take one course in each of those three subjects, how many different ways are there for the student to fulfill this ...
January 24, 2012

algebra
0.15x+55>0.10x+80 how do i work this out?
January 16, 2012

Programming
Write a program that inputs (from the user) the number of hours worked and hourly rate for employees and outputs the total pay. The program should process an arbitrary number of employees; the user will terminate input by entering 0 hours worked and pay rate. Use a class ...
January 10, 2012

7th gr math proportional relationships
music down loads cost .95 cents each . is this a proportional relationship?
January 2, 2012

chemistry
What is the molarity of a salt water solution containing 8moles of salt in 2 L of solution?
December 27, 2011

English
Which marks of punctuation would be appropriate to set off the italicized words in the following sentence? One day my dad and his brother stop me if you've heard this story started out on what they thought would be an uneventful drive to work.
December 19, 2011

algebra
question can u answer 6x + 12 = 30
December 13, 2011

Select the abbreviation that tells how the italicized noun clause is used. S-subject, DO-direct object, SC-subject complement, OP-object of preposition The valedictory prize will be awarded to whoever has the highest academic rating. {{who ever has the highest academic rating...
December 11, 2011

English
Select the abbreviation that tells how the italicized noun clause is used. S-subject, DO-direct object, SC-subject complement, OP-object of preposition What I had been hoping for was a scholarship.
December 11, 2011

PREALGEBRA
-N/16 - N/16
December 8, 2011

PREALGEBRA
MATH QUESTION SOLVE 2 1/3 - 1 1/2
December 8, 2011

math
Given the following information, determine the sample size needed if the standard time estimate is to be within 5 percent of the true mean 99 percent of the time. Work Element Standard Deviation (minutes) Mean Observed Time (minutes) 1 0.20 1.10 2 0.10 0.80 3 0.15 0.90 4 0.10 ...
December 3, 2011

statistics
Tax Preparers Inc. works 250 days per year. The company uses adding machine tape at a rate of eight rolls per day. Usage is believed to be normally distributed with a standard deviation of three rolls during lead time. The cost of ordering the tape is \$10 and holding costs ...
December 1, 2011

Statistics
University Hospital has been concerned with the number of errors found in its billing statements to patients. An audit of 100 bills per week over the past twelve weeks revealed the following number of errors: Week Number of Errors 1 4 2 5 3 6 4 6 5 3 6 2 7 6 8 7 9 3 10 4 11 3 ...
November 12, 2011

statistics
Chapter 06, Problem 8 A tire manufacturer has been concerned about the number of defective tires found recently. In order to evaluate the true magnitude of the problem, a production manager selected ten random samples of twenty units each for inspection. The number of ...
November 12, 2011

Science
Calulate the force needed to accelerate a 2,300 kg mass at 5.5m/s/s acceleration.
November 7, 2011

I have to write a business letter, a memo and an e-mail on one document regarding human resources administrative assistant organizing seminar on sexual harrassment.
November 2, 2011

Hospitality & Tourism
1. Create a rank-ordered list of best practices concerning total quality management (TQM) that would be applicable to all hotels. Please provide specific examples. 2. From the perspective of hotel management, determine which aspect of managing employees has the biggest single ...
November 1, 2011

geometry
draw two points r and s then sketch rs add a point t on ray so that s is beetween r and t
October 20, 2011

Chemistry 105
134 are redox
October 10, 2011

Algebra
Maria bicycles 8km/h faster than Dennis. In the same time it takes Dennis to bicycle 33km, Maria can bicycle 37km. How fast does each bicyclist travel?
October 7, 2011

Chemistry
NaCl is soluble in water, but I2 is not. Explain
October 7, 2011

Statistics
the diameter of grapefruits in a certain orchard are normally distributed with a mean of 6.10 inches and standard deviation of 0.40 inches, what is the percentage of the grapefruits in this orchard have diameters less than 6.8 inches and what percentage are larger than 6.7 inches
October 7, 2011

algebra/geometry
what is the area of a triangle 8'. tall with a 6". base, sitting on 1/2 a circle
September 23, 2011

Economics
What is the difference between microeconomics and macroeconomics? Discuss and contrast the two theories.
September 20, 2011

chemistry
a 52g piece of ice at 0 degree is added to a sample of water at 6 degree all the ice melts and the temp of the water decreases to 0 degrees how many grams of water were in the sample?
September 17, 2011

History
The biography of nelson mandela
September 11, 2011

Life orientation
-what are the causes of and how to prevent cancer
September 11, 2011

algebra/geometry
which of the following shows the correct way to write an ordered pair of coordinates. (3,2). x=3,y=2. 3,2. (x=3)(y=2)
September 8, 2011

civics
why do we have 5 territories spread around the world?
August 30, 2011

history
I don't understand the question
August 28, 2011

Algebra
If the cost of a cell phone has decreased 400% during the past 10 years, does that correspond to a cost decrease of four times? Explain your answer as though you were talking to someone who has never taken algebra.
June 15, 2011

com/220
Need a thesis and a full sentence outline. Original thesis is to long. I am doing a paper on wiki leaks, I have information on Julian Assange and Bradley Manning. I need it by this afternoon if possible.I would like to make my argument why leak important information.
May 31, 2011

Geometry
if a quadrilateral has both pair of base angles congruent---- can you prove that the shape is a trapezid
May 24, 2011

Pre-algebra
SOLVE THIS PROBLEM 2 1/3 - 1 1/2
May 21, 2011

writing
The way it is worded is the reason I don't understand the assignment.
May 20, 2011

writing
I need a bit more help than this.
May 20, 2011

writing
I was wondering if some1 could help me in the right direction with this assignment. Background Ten years ago, you started working as a clerk for DMD Medical Supplies. Six months ago, Liz Jakowski, the human resources director, promoted you to office manager. You manage two ...
May 20, 2011

Tables
How to do a table with fractions,decimals,and percents
May 18, 2011

science
What does effect of negatively charged Object on positively charged object mean
May 16, 2011

algebra
¿como se desarrolla? lo siguiente: log(x-7/x-1)=1/2 lo antes posible por favor.
May 9, 2011

College Math
Lottery: One million tickets were sold for a lottery in which a single prize will be awarded. a)If you purchase a ticket, determine your odds against winning. b)If you purchase 10 tickets, determine your odds against winning.
April 18, 2011

statistics
Suppose that 62 percent of the people who are murdered actually knew the person who committed the murder. Suppose that a detective file in Boston has 62 current unsolved murders. What is the probability that fewer than 33 victims did not know their murderer? A) .993 B) .007 C...
April 17, 2011

Statistics
Suppose that more than a decade ago high levels of lead in the blood put 81 percent of children at risk. A concerted effort was made to remove lead from the environment. Suppose, according to a survey, only 5 percent of children in the United States are at risk of high blood-...
April 17, 2011

Programming
I’m using VB 2008. I need to write a simple program that calculates total sales of purchases. The program should accept item costs as input calculate the tax on each item (8%) display the item cost, total cost, and total after taxes. Item costs will be added to a listbox ...
April 17, 2011

Programming
I’m using VB 2008. I need to write a simple program that calculates total sales of purchases. The program should accept item costs as input calculate the tax on each item (8%) display the item cost, total cost, and total after taxes. Item costs will be added to a listbox ...
April 17, 2011

English
they are different because may gives a chance of it being a probability and writting can not is a statement and can not is more impulsive to say.
April 15, 2011

Describe or diagram a process or procedure that is similar between the organizations. Explain the process or procedure from beginning to end.
April 13, 2011

math
The weights of boxes of Brand Z cereal were found to be normally distrubted with a mean of 16.5 ounces and a standard deviation of 0.4 ounces. a. what percentage of the boxes will weigh more than 16 ounces? b. what percentage of the boxes will weigh between 15.5 and 16.5 ...
April 13, 2011

Math!!!!!!HELP!!! :(
how many kg is there in a gallon?
April 8, 2011

math
if a feeder gives food at 15o g every hour and it holds 3 kg of food for how many hours will it be activated?
April 8, 2011

statistics
A sample of 70 night-school students' ages is obtained in order to estimate the mean age of night-school students. x = 24 years. The population variance is 18.
April 5, 2011

microeconomics
Michelle has 200lbs of potatoes and 50 cchickens. James has 80lbs of potatoes and 40 chickens. what is Michelles opportunity cost of producing potatoes and opportunity cost of producing chickens? Same for James. Which person has an abosolte advantage in which activities? ...
March 22, 2011

science
A grasshopper floating in water generates waves at a rate of three per second with a wavelength of two centimeters. (a) What is the period of these waves in seconds? (b) What is the wave velocity in m/s?
March 22, 2011

science
the half life of tritium is 12.5 years. How much of a 1 g sample will remain after 25 years
March 22, 2011

science
When 90 kJ is removed from a 2-kg copper bar its temperature drops from 200 degrees celcius to 85 degrees celcius what is the specific heat of the iron?
March 22, 2011

health safety nutrition
anemia, iron
March 12, 2011

college algebra
Solve: sq root of (x+1) minus 3 = sq root of (x+4) when I solve it I get zero, but when I plug it back in only one answer works. do both have to work for it to have a solution?
March 3, 2011

Your team has been hired as consultants by a company and is meeting with the executive boardPrepare a 15- to 20-slide PowerPoint® presentation with detailed speaker’s notes that describes the ISO 14001 certification process. Address the following topics: o The current...
March 1, 2011

science
A ball is thrown horizontally from a cliff a 8 m/s. How fast is it moving 2 s later?
February 27, 2011

statistics
The mooney complete data set
February 20, 2011

math
what multiplication fact can be found by using the arrays for 2X9 and 5X9?
February 8, 2011

Algebra
7/2=h 3.1/2
February 6, 2011

Math
write an equatioin that models how old in years eaach will be 60,55,8 when your ages add up tp 1250 years old.
February 3, 2011

math
4.791946309
January 29, 2011

child day care
a child development is affected most by the
January 26, 2011

Chemistry
C2H2(g) + 2 H2(g)--> C2H6(g) Information about the substances involved in the reaction represented above is summarized in the following tables. Substance/ So (J/mol∙K) /∆Hºf (kJ/mol) C2H2(g) / 200.9 / 226.7 H2(g) / 130.7 / 0 C2H6(g)/ ?? / -84.7 Bond Bond ...
January 25, 2011

AP Chemistry
calculate the molar volume (volume of 1.0 mole) of an ideal gas at 1.0 atm and 25 degrees celsius
January 23, 2011

Physics
A sidewalk is to be constructed around a swimming pool that measures (11.00+/-0.12) m by (17.40+/-0.12) m. If the sidewalk is to measure (1.22+/-0.02) m wide by (9.60+/-0.15) cm thick, what volume of concrete is needed?
January 18, 2011

Chemistry
Ok an atom loses an electron becomes positive-atom gainin electron becomes negative? Is that correct? that's w/ 1 electron in outer shell of one atom and the other atom receiving an electron to fill its outer shell
January 18, 2011

Chemistry
C2H2(g) + 2 H2(g)--> C2H6(g) Information about the substances involved in the reaction represented above is summarized in the following tables. Substance/ So (J/mol∙K) /∆Hºf (kJ/mol) C2H2(g) / 200.9 / 226.7 H2(g) / 130.7 / 0 C2H6(g)/ ?? / -84.7 Bond Bond ...
January 16, 2011

Chemistry
C2H2(g) + 2 H2(g)--> C2H6(g) Information about the substances involved in the reaction represented above is summarized in the following tables. Substance/ So (J/mol∙K) /∆Hºf (kJ/mol) C2H2(g) / 200.9 / 226.7 H2(g)/ 130.7 / 0 C2H6(g)/ ?? / -84.7 Bond Bond ...
January 15, 2011

Chemistry
C2H2(g) + 2 H2(g)--> C2H6(g) Information about the substances involved in the reaction represented above is summarized in the following tables. Substance So (J/mol∙K) ∆Hºf (kJ/mol) C2H2(g) 200.9 226.7 H2(g) 130.7 0 C2H6(g) - - -84.7 Bond Bond Energy (kJ/mol...
January 15, 2011

chemistry
C2H2(g) + 2 H2(g)--> C2H6(g) Substance So (J/mol∙K) ∆Hºf (kJ/mol) C2H2(g 200.9 226.7 H2(g) 130.7 0 C2H6(g) -- -84.7 Bond Bond Energy (kJ/mol) C-C 347 C=C 611 C-H 414 H-H 436 If the value of the standard entropy change, ∆Sº for the reaction is -...
January 13, 2011

Chemistry
C2H2(g) + 2 H2(g)--> C2H6(g) Substance So (J/mol∙K) ∆Hºf (kJ/mol) C2H2(g 200.9 226.7 H2(g) 130.7 0 C2H6(g) -- -84.7 Bond Bond Energy (kJ/mol) C-C 347 C=C 611 C-H 414 H-H 436 If the value of the standard entropy change, ∆Sº for the reaction is -...
January 12, 2011

Reimbursement Methodologies
I have done my research for the following questions but I was hoping someone could check and tell me how I did. Part A: Answer each of the following questions in a short paragraph. 1. You're the new director of a hospital health information management department. The chief...
January 12, 2011

Chemistry
C2H2(g) + 2 H2(g)--> C2H6(g) Substance So (J/mol∙K) ∆Hºf (kJ/mol) C2H2(g 200.9 226.7 H2(g) 130.7 0 C2H6(g) -- -84.7 Bond Bond Energy (kJ/mol) C-C 347 C=C 611 C-H 414 H-H 436 If the value of the standard entropy change, ∆Sº for the reaction is -...
January 11, 2011

chemistry
C2H2(g) + 2 H2(g)--> C2H6(g) Bond Bond Energy (kJ/mol) C-C 347 C=C 611 C-H 414 H-H 436 Calculate the value of the C C (triple bond) energy in C2H2 in kJ/mole.
January 11, 2011

math
Write the base 10 number 945 s a base 6 number and as a base 12 number. then, using these numbers as base 10 numbers, find the positive difference between them.
January 11, 2011

Chemistry
C2H2(g) + 2 H2(g)--> C2H6(g) Bond Bond Energy (kJ/mol) C-C 347 C=C 611 C-H 414 H-H 436 Calculate the value of the C C (triple bond) energy in C2H2 in kJ/mole.
January 11, 2011

stastics
n=p(1-p(Zc/E)sqrd =(.5)(.5)(1.44/.1)sqrd =51.84 =52
December 19, 2010

math
ok thanks I got it now
December 14, 2010

math
I don't understand
December 14, 2010

math
x + 3/5 = 1 2/5
December 14, 2010

math
Thank you, now I get it.
December 14, 2010

math
what is the answer to this problem m + 3 4/5 = 6 2/5
December 14, 2010

science
explain what will happen to butter taken out of the refrigerator and placed in a 38 degrees celsuis room?
December 13, 2010

marketing
The goal of the research is to decide whether HHI will expand to international markets; the country which I chose was Switzerland.
December 11, 2010

marketing
Can someone please help me with this? I really just do not know where to start researching for the answer, where are some good places to look? Develop a research proposal in the form of a PowerPoint presentation of 8–15 slides. Your proposal should outline and provide ...
December 11, 2010

calculus
at which value of x does y=(x+1)(x-19)+7 takeon its minimum value?
December 10, 2010

Honors Biology - URGENT!!!
In an experiment, plants were grown under colored filters that allowed equal amounts of light of different colors to strike different plants. Under which filter do you think plants grew the slowest? Why?
December 8, 2010

Honors Biology - URGENT!!!
Without oxygen, cellular respiration grinds to a standstill, although glycolysis can continue to make some ATP anaerobically for a short time. When oxygen runs out, why does electron transport stop? Why do you thing the Krebs cycle stops?
December 8, 2010

Honors Biology - URGENT!!!
After a biochemical analysis of the victim's tissues, brilliant biologist/criminal investigator J. C. Mickleberry announced his findings: "Contrary to the conclusions of the police, the victim did not suffocate. The electron carriers in his mitochondria were all in ...
December 8, 2010

Honors Biology - URGENT!!!
ATP is used to power the movement of your muscles as you turn the pages of a book. Where did the energy in the ATP come from? Trace the energy in the ATP molecule back to the sun.
December 8, 2010

Honors Biology - URGENT!!!
Remember that the greater the concentration of hydrogen ions, the lower the pH of a solution. How do you suppose the pH of the solution in the thylakoid space compares with the pH of the solution in the stroma? What is responsible for the difference?
December 8, 2010

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