Wednesday
September 17, 2014

Posts by Pamela


Total # Posts: 142

math
Write an equation which models how old in years each of you will be when you are three times as old as the younger person use age 10 and 48?
September 6, 2014

computer literacy
booles theories of ligic set the foundation for what aspect of computing today
April 27, 2014

physics
A stationary speaker is emitting a sound of frequency 1330 Hz. The air has a temperature of ^oF. Taking right to be positive, a person is moving toward the source (to the left) at 8.2 \frac{m}{s}. The person will hear a frequency of ... f =
April 21, 2014

math lit,business studies,accounting and computer
Can I be an accountant when doing these subjects?
April 4, 2014

chemistry
what is the total mass of Rn-222 remaining in an original 160-mg sample of Rn-222 after 19.1 days?
March 31, 2014

physics
A ball is projected upwards from a platform 8m above the ground,with an initial velocity of 3m/s.How long does it take for the ball to reach the ground.
March 10, 2014

Algebra
Please help me find the value of the annuity for the following: a1= $8000, I=0.06, n=10 $8,000 invested for 10 years at 8% compounded annually$8,000 invested for 10 years at 0.06% n = 10 Thank you.
December 8, 2013

math models
If $3800 is invested in a savings account for which interest is compounded quarterly, and if the $3800 turns into $4300 in 2 years, what is the interest rate of the savings account?
October 12, 2013

Math 140
To help pay for a class trip at the end of the senior year, the junior class at a high school invests $1800 from a fund-raiser in a 18-month CD paying 2.6% interest compound monthly. Determine the amount the class will receive when it cashes in the CD after 18 months.
July 19, 2013

s
According to science, the fastest speed possible for anything is the speed of light. The speed of light is about 186,000 miles per second. That means that in one minute, light travels 11,160,000 miles. The star nearest Earth is the Sun. It's about 93,000,000 miles from ...
June 3, 2013

Math
3765
May 21, 2013

Life orientation
What, according to the BCEA with regard to the contraventions in work place?
March 13, 2013

devry math
I am really have a hard time I need help. Prime factorization of 343
November 3, 2012

Statistics
A standard deck of cards contains 52 cards. Of these, 12 are face cards (kings, queens, and jacks), 13 are hearts, 13 are clubs, and 3 of these are both hearts and face cards. A card is drawn. What is the probability that the card is either a jack of hearts or a queen of clubs?
September 18, 2012

Chemistry hnrs
what is the electron configuration of vanadium?
September 14, 2012

Science 2
How does TCDD act as an endocrine disruptor?
August 13, 2012

Science
What happens when TCDD binds to the AhR receptor? How does it cause diseases/health problems in people?
August 13, 2012

Science
what does LD50 stand for in science terms?
August 13, 2012

Science
What happens when TCDD binds to the AhR receptor? How does it cause diseases/health problems in people?
August 13, 2012

Science Biology
What happens when TCDD binds to the AhR receptor? How does it cause diseases/health problems in people?
August 10, 2012

science
what are atoms
July 25, 2012

geometry
An open rectangular glass tank with a horizontal base PQRS measures 80 cm by 50 cm by 34 cm. 110 liters of water is poured into the tank. v The tank is tilted towards edge PQ until the water just reaches the edge TU. w Calculate the value of d. s
June 19, 2012

Classical Mythology
Sorry, forgot to write that down. The Cremaster Cycle
May 10, 2012

Classical Mythology
Throughout this film, characters appear, or things happen, that are reminiscent of people or events in classical mythology. What do they make you think of? Pick 4-5 things (people, incidents events, costumes, whater) and explain waht they remind you of from classical mythology...
May 10, 2012

Calc
radio active radium(226)
April 15, 2012

Calc
Radioactive radium () has a half-life of 1599 years. What percent of a given amount will remain after years?
April 15, 2012

Physical science
The engine of a car is being lifted out of the car by using a pulley system. The weight of the engine is 8000N. Use a scale diagram to determine the horizontal force, F1 that a mechanic has to use to hold the engine in such a position that the rope makes an angle of 30degrees ...
March 7, 2012

Thesis statement
I need to write my own classification and division Essay of 200 words about the versions of English spoken using mother tongue as a sample. I'm having Trouble developing a good thesis statement. Please help!
March 7, 2012

Thesis statement
I need to write my own classification and division Essay of 200 words about the versions of English spoken using mother tongue as a sample. I'm having Trouble developing a good thesis statement. Please help!
March 7, 2012

chemisty
14KMnO4+4C3H5(OH)3----->7K2CO3+7Mn2O3+5CO3+16H2O how to do it help me if you can I spend days to find this but I couldnt please help mee.....
January 6, 2012

Algebra: Statistics
Five years ago, you bought a house for $151,000, with a down payment of $30, 000, which meant you took out a loan for $121,000. Your interest rate was 5.75% fixed. You would like to pay more on your loan. You check your bank statement and find the following information. ...
December 14, 2011

Intermediate algebra
The current in a typical mississippi river shipping route flows at a rate of 4mph. In order for a barge to travel 24mi upriver and then return in a total of 5hr, aproximately how fast must the barge be able to travel in still water?
November 11, 2011

College Algebra
Evaluate the function y=2.55^(x+1) at the value x=1.83
November 4, 2011

math
what is 216.3 divided by 10.5? please show the work
September 21, 2011

Chemisty
Consider a hydrogen atom that goes from the n = 2 to the n = 1 state. (a) Calculate the wavelength, in nm, of the photon emitted. (b) What part of the electromagnetic spectrum is it?
September 20, 2011

Chemistry
What is the frequency of light having a wavelength of 5.6 micrometers?
September 20, 2011

science
scientist do their experimental test more than once so they can reduce the effects of chance errors this is called conducting what
August 31, 2011

Physics
A runner runs around a circular track with a radius of 50m.if he runs half way round the track from a to b.am i correct if i say his distance is 100m?
August 17, 2011

Chemistry
4Al + 3O2 = 2Al2O3. If 41.5 g aluminum and 69.0 g oxygen undergo a reaction that has a 67.0% yield, What mass of aluminum oxide forms. Please help by showing steps to find answers. Thanks
July 17, 2011

Chemistry
In this balanced equation 4Al + 3O2 = 2Al2O3. When 0.54 mole aluminum is reacted in a closed container with 7.80 g oxygen, how many grams of aluminum oxide can form. Please show steps to work out. Thanks
July 16, 2011

Global Help!
oh ok thanks again good night
May 26, 2011

Global Help!
Thanks! i have one more question that i cant seem to find: how did the first Global Age affect culture? should i just ask my Global teacher for help and leave it blank til then?
May 26, 2011

Global Help!
is this right?: socialy- Native Americans were at the bottom of the social pyramid and the fully spanish were at the top. political- the spanish were allowed to force Native Americans to work for them economic- trade was great but many people died and .... i need help with ...
May 26, 2011

Global Help!
Describe social, political and economic aspects of spanish rule in the Americas. I cant find this answer anywhere help please!!
May 26, 2011

Social Studies
1. Describe social, political and economic aspects of spanish rule in the Americas. 2. How did the first Global Age affect culture? 3. Why did the slave trade prosper? what effects did it have on Africa? 4. How did the colonization of the Americas affect Europe?
May 26, 2011

Social Studies
oh okay sorry.. so if I answer them myself may you tell me of they are right?
May 26, 2011

Social Studies
1. describe the achievements of the Maya, Inca, and Aztec. 2. what were the major similarities and differences between the Maya, Inca, and Aztec? 3. why did the Europeans begin to explore? 4. How did the Spanish conquer the Aztec and Incan empires?
May 26, 2011

algebra
Annual profit in thousands of dollars is given by the function,p(x)=200square x-3 +10,000,where x is the number of items sold in thousands, x less than 3. describe the meaning of the numbers 3 and 10,000 in the formula. find the profit for 5 different values of x. graph the ...
May 21, 2011

Chemistry
yes, each half-cell contains 1.00 L of solution so that is the volume thank you!
April 28, 2011

Chemistry
A zinc-copper battery is constructed as follows at 25°C. Zn|Zn^2+ (0.15 M)||Cu2+(3.00 M)|Cu The mass of each electrode is 200. g. a) Calculate the cell potential when this battery is first connected. - i got this to be 1.14V b.) Calculate the cell potential after 10.0 A of...
April 28, 2011

chemistry
our lab experiment was Isolationa nd Identification of the Major Constituent of Clove Oil. We know the major component is Eugenol, but our professor wants us to write the equations for the extraction of eugenol from the distillate with dichloromethane and then the equation for...
April 20, 2011

social studies
Thank you so much!!
April 3, 2011

social studies
No they're not in the book because she discussed these questions in class. the class was suppossed to take notes on what she was saying. We barely use textbooks because she plans lessons and we have to go by what she says. I missed a couple of her classes. can you with any...
April 3, 2011

social studies
I have a test on this tomorrow and I can't seem to find the answers to these questions
April 3, 2011

social studies
Help! 1. Describe the social strusture of feudal society. 2. what were the similarities and differences between feudalism in Euope and Japan? 3. How did the Roman Catholic Church influence social, political, and economic life during the Middle Ages? 4. How did England, France ...
April 3, 2011

Europe
how did europe's geography affect its development?
April 3, 2011

epidemiology
For this Discussion, read the following scenario, and then address the following question in 1–2 paragraphs: For the month of August, 12 new cases of tuberculosis and 12 new cases of West Nile virus infection were reported to a county health department. You are not sure ...
March 30, 2011

strayer
For this Discussion, read the following scenario, and then address the following question in 1–2 paragraphs: For the month of August, 12 new cases of tuberculosis and 12 new cases of West Nile virus infection were reported to a county health department. You are not sure ...
March 30, 2011

math
Suppose the 435 members of the house of representatives are placed on committees consisting of more than 2 members but fewer than 30 member of members and each member is to be on one committees. Each committee is to have an equal number of members and each member is to be on ...
March 12, 2011

5th grade
what is 9 /24794
November 29, 2010

Cognitive psycology
by giving a model of answers
November 20, 2010

IT/236
List three things that a Web designer must consider and understand about the purpose or target audience prior to site development. Why do you feel each of these is important to a successful plan?
November 1, 2010

math
Brenda's dog is 5 times as long as Hugh's dog. Together the dogs are 48 inches long.How many inches long is Hugh's dog?
October 14, 2010

Math
Express the quantified statement in an equivalent way. Some students are bored. Would it be Not all students are bored?
October 4, 2010

math
Using the Octagonal formula how do you get the 6th octagonal number 96?
October 4, 2010

college chemistry
How much heat is needed to convert 2.00 kg of liquid ammonia at -40.0 oC to its vapor at -11.0 oC? The specific heat of liquid ammonia, NH3 (l), is 4.70 J/g-K and that of the vapor NH3 (g), is 2.20 J/g-K. The enthalpy of vaporization of ammonia is 23.3 kJ/mol and its boiling ...
May 25, 2010

biology
Thank you!
May 7, 2010

biology
A group of specialized cells that transport fluids and nutrients is called a. a multicellular autotroph b. a methanogen c. an aggregation d. vascular tissue A?
May 7, 2010

biology
Thank you!
May 7, 2010

biology
Which of the following are NOT used to classify kingdoms of organisms? a. complexity of the organism b. invertebrate or vertebrate c. method of obtaining nutrition d. type of cell that makes up the organism D?
May 7, 2010

math 4th grade
You see that all the numerators (top numbers) are the same. The bottom numbers (denominators) tell us how big the pieces are. The larger the denominator, the smaller the pieces. So if the top numbers are the same, then the fraction with the biggest bottom number is the ...
April 13, 2010

MATH
The 6th octagonal numbr is 96. Verify this fact using the formula for O n.
April 2, 2010

science
how does air pressure affects the outer space
March 6, 2010

chemistry
What information does this value of Kc indicate with regard to the amount of NO(g)in the equilibrium mixture at a 25 degrees celcuis?THe cointainer is heated and the system reacheas a new equilibruim at 2500 degrees celcuis at this temperature there 0,4 moles of NO(g)present.
March 3, 2010

7th grade math
How do you figure out the place value of the stem and leaf of a stem-and-leaf plot???????????????
February 26, 2010

Conflict Management Communications
I would say yes. Your thoughts?
February 20, 2010

Conflict Management Communications
These are all good ones! What about terrorists and hardened criminals?
February 20, 2010

Conflict Management Communications
Provide 2 examples of passive aggressive societal groups and behaviors. I thought the KKK would be one good example, any other thoughts would be most appreciated! Thank yoU! :)
February 20, 2010

7th Grade Literacy
I think a class president needs to be twustworthy, responsible for his/her actions, and honest but thats my opion
February 17, 2010

Language Studies
I suppose these work. I think I am putting more thought than necessary into this question. Thanks for your insight!
January 29, 2010

Language Studies
What are some ways that language can be used to perform the act of giving someone a warning?
January 29, 2010

Math
If a car is driven 372 miles in 6.5 hours, then what is the average number of miles per hour?
November 16, 2009

Quantitative Methods of Business
Karl's monthly expenses are $3,000. Of this 1/4 is for the mortgage payment, 1/8 is for credit cards, 2/5 if for the car payment, and the rest is for food and miscellaneous expenses. What is the amount of Karl's car payment?
October 26, 2009

Media Law
What are the most pressing challenges facing U.S. copyright enforcement interests today in the context of the proliferation of overseas, especially third-world copyright piracy?
October 7, 2009

Writing in Math
Every digit in 8,999 is greater ,than any digit in 24,005 is greater than 8,999.
September 30, 2009

Algebra Help
Thanks! You have been a BIG help! I will do that!
August 5, 2009

Algebra Help
Thank you this really helps! So I got Exponential form is 2^-3 = 1/8 and To solve x = -3 So this is all of it?
August 5, 2009

Algebra Help
Now what about the Exponential form ? 2^-3 = 1/8 This isn't correct? If not then how do i show Let x = log_2 1/8 in exponential form?
August 5, 2009

Algebra Help
Solve for x i got, the exponential is the problem for me...Here is what i got for x. To Solve: 1/8=8^-1 8=2^3 1/8=2^3^-1=8^-1 =2^-3 Log_2 1/8 = log_2 2^-3 =-3log_2 2 x =-3 To Check: 2^x=1/8= 2^-3 x=-3
August 5, 2009

Algebra Help
x = log_ 2 2^-3 ? I am lost now. I really thought I had it from what I just posted. Exponential form is 2^-3 = 1/8 This isn't correct? To Check: 2^-3=1/2^3=1/8
August 5, 2009

Algebra Help
Let x = log_2 1/8 Write the exponential form of the equation and solve the equation for x. Does this work? Thanks! Exponential form is 2^-3=1/8 To Check: 2^-3=1/2^3=1/8
August 5, 2009

Algebra
Does this work? Thanks! Exponential form is 2^-3=1/8 To Check: 2^-3=1/2^3=1/8
August 5, 2009

Algebra
2x = 2^log2(1/8) 2x = (1/8) Are these acceptable answers?
August 5, 2009

Algebra
Let x = log_2 1/8 Write the exponential form of the equation and solve the equation for x.
August 5, 2009

Algebra
Suppose A is the amount borrowed, r is the interest rate (in decimal form), and m is the total number of monthly payments. Let w = (r)/(12) Then the formula to determine the monthly payment amount for a loan is given by (Aw)/1-(1)/(1+w)^m Suppose Alice buys a car and obtains a...
July 31, 2009

Algebra
I figured 4*4 = 16. This is not right is it?
July 7, 2009

Algebra
Would this be an appropriate answer for b? x= 4+3i/2, 4-3i/2
July 7, 2009

Algebra
Consider the equation 4x^2 – 16x + 25 = 0. (a) Show how to compute the discriminant, b^2 – 4ac, and then state whether there is one real-number solution, two different real-number solutions, or two different imaginary-number solutions. (b) Use the quadratic formula ...
July 7, 2009

Math
Gina plans to invest $12,000, part at 4% simple interest and the rest at 6% simple interest. What is the most she can invest at 4% and still be guranteed at least $650 in interest per year?
July 1, 2009

Algebra
Please help! I need to simplify this and am confused. (sqrt5 a^7/2)^4 a^3/a^8
June 29, 2009

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