Tuesday
September 2, 2014

Posts by TRACEY


Total # Posts: 124

science
Why scientists used only mice from the same pure-bred strain is so that
October 27, 2013

business studies
i enjoy learning abt the forms of partnerships in a business to be an entrepreneur
April 11, 2013

math
an airplane climbs at a rate of 66.8 feet per minute. It descends at twice the rate that it climbs. Assuming it descends at a constant rate, how many feet will the aitplane descend in 30 minutes.
April 7, 2013

english
explain how content purpose and audience and tone impact academic writing. not good in writing papers
January 11, 2013

algebra - absolute value
i'm doing absolute value in open sentences and then graphing them. how would you solve |t-4| > t-4 ?
November 29, 2012

Absolute Value in Open Sentences
For the problem |t-4|>t-4 how would you graph it?
November 29, 2012

Pre-cal
Two lookout towers are situated on mountain tops A and B, 4 mi from each other. A helicopter firefighting team is located in a valley at point C, 3 mi from A and 2 mi from B. Using the line between A and B as a reference, a lookout spots a fire at an angle of α = 37° ...
November 28, 2012

reading
story was a little confusing... can someone give me a plot summary of Milk by Ron Carlson
October 26, 2012

algebra
A stone dropped from rest travels 160 ft the first 3 seconds. How far will it have fallen at the end of 5 seconds?
October 15, 2012

Chemistry
moles = grams/mol. wt. 4.141g/119mol.wt. = 0.03479832g
October 15, 2012

physical science
a 70 kg man and 50 kg woman are in a boat when its motor fails. the man dives into the water with a horizontal speed of 3 m/s in order to swim ashore. if he changes his mind, can he swim back to the boat if his swimming speed is 1 m/s? If not, can the woman change the boats ...
September 19, 2012

physical science
a yo-yo is swung in a vertical circle in such a way that its total energy KE and PE is constant. At what point in the circle is this speed maximum? A minumum? why? (b) if the yo-yo has a speed of 3 m/s at the top of the circl, whose radius is 80 cm, what is tis speed at the ...
September 19, 2012

physical sciencei
is the work needed to bring a car's speed from 0 to 10 km/h less than, equal to or more then the work needed to bring its speed from 10 to 20 km/h? if the amounts of work are different, what is the ratio between them?
September 19, 2012

physical science
a weightlifter raises a 70 kg barbell from the floor to a height of 2.2m in 1.2s. What was his average power output during the lift?
September 19, 2012

physical science
a 1kg object has kinetic energy of 1J when its speed is?
September 19, 2012

Math
If it takes 3.7 seconds for a sound to reach the bottom of the ocean how deep is the water
September 16, 2012

physical science
the 200g head of a golf club moves 40 m/s in a circular arc of 1.2m radius. How much force must the player exert on the handle of the club to prevent it from flying out of her hands at the bottom of the swing? ignore the mass of the clubs shaft.
September 14, 2012

physical science
a force of 20 N gives an object an acceleration of 5 m/s2. (a)What force would be needed to give the same object an acceleration of 1 m/s2. (b) what force would be needed to give an accelerattion of 10 m/s2 ?
September 14, 2012

physical science
the acceleration of gravity on the surface of venus is 8.9 m/s2. would a ball thrown upward from venus return to the ground sooner or later than a ball thrown upward with the same speed on the earth?
September 14, 2012

math
f(17)=12 f(7)=6 f(x)=?
September 10, 2012

Honors Geometry
Topic: Distance in Coordinate Plane Determine the value(s) of n if... J(n, n+2), K(3n, n-1), JK=5
September 6, 2012

Business
Envision that you run a highly successful tattoo and piercing parlor in a small West Coast city. You are fairly certain that between you and your key competitor, you have saturated your target audience of people in their teens and 20s. To grow your business, you need to reach ...
September 5, 2012

physical science
how many square feet are there in an area of 1.00 square meters( 1 ft.=0.305)? use the proper number of significant figures in the answer.
September 2, 2012

science
describe the efficiency of energy tranfer and how the amount of energy available at each trophic level affects the structure of the ecosystem>
July 12, 2012

statistics
Suppose X has a mound-shaped distribution with sigma=9. A random sample of size 36 has a sample mean 20. Is it appropriate to use a normal distribution to compute a confidence interval for the population mean u?
June 5, 2012

algebra
The area of a state is 7 times the area of another state. the sum of the areas are 32,000,000. what is the area of each state
June 4, 2012

college algebra
Determine the principal P that must be invested at rate r = 3 1 2 %, compounded monthly, so that $700,000 will be available for retirement in t = 13 years. (Round your answer to the nearest cent.) P = $
March 28, 2012

Chemisty
If 59.0 mL of 0.40 M HI is mixed with 100. mL of 0.10 M KOH what is the resulting pH?
March 16, 2012

Chemistry
A buffer containing 0.2832 M of acid, HA, and 0.1504 M of its conjugate base, A−, has a pH of 2.36. What is the pH after 0.0015 mol NaOH is added to 0.5000 L of this solution?
March 16, 2012

macroeconomics
if retiree benefits were frozen what would happen to total expenditures
February 19, 2012

Economics
One year ago, you bought a bond for $10,000.00. You received interest of $400.00 at the end of the year, as well as your $10,000.00 principal. If the inflation rate over the last year was five percent, calculate the real return. Show your work.
January 28, 2012

science
Ho many millilitres of sucrose is needed to make 25 L of liquering soluton at 20% v/v
January 2, 2012

science
How many grams of copper sulfate is needed to make 1125L of 25 ppm solution
January 2, 2012

science
If 100g of CuSO4 took part in the following reaction how much Cu(0H)2 would be formed CuSO4 + 2NaOH to Na2SO4 + Cu(OH) 2
January 2, 2012

science
If 20g of Ca(0H)2 took part in the following reaction, how much CaCl2 would be formed. Ca(0H)2 + 2HCl to CaCl2 +2H20
January 2, 2012

comm/155
how to start the paper off in using all 4
December 18, 2011

Math
3x² - 4 = 23
October 6, 2011

Science
As the angle between the direction of the applied force in the direction of movement increases from zero to ninety what happens to the fraction of the force that contributes to the work?
October 6, 2011

history
what is vigilantism and how and when does it arise? (political philosophy)
October 2, 2011

history
What system of government did Plato recommend in The Republic?
October 1, 2011

history
The three main ideals that all political systems strive to achieve are freedom order and equality. Why do these values compete with one another?
October 1, 2011

MATH
Five cards are dealt from a well-shuffled standard deck. using combinations, write an expresssion for the probability all are hearts
September 28, 2011

MATH
Five cards are dealt from a well-shuffled standard deck. using combinations, write an expresssion for the probability all are hearts
September 28, 2011

MATH
From a standard deck of cards, two cards are randomly drawn, one after the other without replacement. The color of each car is noted. Which is less likely to occur: two red cards or a red card and a black card? Explain.
September 28, 2011

hum/176
Overview of themes of the impact of the internet on politics
June 5, 2011

elementary statistics
how many seven digit telephone numbers are possible if digits can be repeated?
May 29, 2011

english
Which version of the American Dream is more realistic, Jay Gatsby or Tom Joad?
May 24, 2011

MATH
You purchased 150 ft. of chain that normally sells for $0.15 per inch. You were charged $22.50 for the sale. Was the price correct? If not, what is the correct price and what mistake was made?
May 5, 2011

math
Volume of Aluminum Foil. One cubic centimeter of aluminum weighs 2.7 grams. If a piece of aluminum foil weighs 5.4 grams, find the volume of the aluminum foil.
March 31, 2011

math
Class has 28 students. 23 like basketball. Also, 15 like baseball. 12 like both. How many students do not like either.
March 29, 2011

Math
If the following amounts of lumber need to be delivered to 2 different staging areas at 4 different job sites, how many total boards of each size will you need? 1.65:2x4s 2.45:2x8s 3.25:2x10s How to work this problem.
February 12, 2011

geometry
ab=21, bc=14,and ad=54
February 10, 2011

FAST MATH HELP
Thanks so much Jasper:)
January 13, 2011

FAST MATH HELP
Need help problem solving-- A 500 space parking lot is packed with motorcycles and passenger cars, with only one vehicle in each space. How many motorcycles & cars r there if the total number of tires on the parked vehicles is 1650? I think I have to do this in some kind of ...
January 13, 2011

Math
Need help problem solving-- A 500 space parking lot is packed with motorcycles and passenger cars, with only one vehicle in each space. How many motorcycles & cars r there if the total number of tires on the parked vehicles is 1650? I think I have to do this in some kind of ...
January 13, 2011

Math
Thanks helper:)
January 13, 2011

Math
Need help problem solving-- A 500 space parking lot is packed with motorcycles and passenger cars, with only one vehicle in each space. How many motorcycles & cars r there if the total number of tires on the parked vehicles is 1650? I think I have to do this in some kind of ...
January 13, 2011

math
which of the following repressents an irrational number? 1/2 16 8 .36
January 10, 2011

Drug Information Sources
I am about to submit my answers to PennFoster for this exam and wanted to ck ONE question to see if I was correct. My first thought when I came across this was "take your own damn test" and EVEN after reading your "reason" for posting the ENTIRE test,I ...
December 22, 2010

PHYSICS
what is the different between a scalar and vector?
December 22, 2010

science
what is the relationship between a scientific law and scientific theory? what is the difference between a hypothesis and a theory?
December 22, 2010

Business Algebra
Part I: As a financial planner a client comes to you for investment advice. After meeting with him and understanding his needs, you offer him the following two investment options: Option 1 (refer to section on Mathematics of Finance in your text.): Invest $23,000 in a savings ...
December 21, 2010

PHYSICS
which has more inertia, a mouse or elephant?
December 19, 2010

PHYSICS
Search: a 1.0 kg mass weighs 9.8 n on earths surface and the radius of the earth is roughly 6.4x10 to the 6 m. what is the mass of the earth and the average density of Earth
December 8, 2010

physics
A projectile is launched straight upwards at 45 m/s. Three seconds later, its velocity is A. 75 m/s B. 30 m/s C. 15 m/s D. zero
November 28, 2010

Physics
Two spheres A and B, where A has twice the mass of B, are projected at the same horizontal velocity off the edge of two different height shelves. Sphere A leaves from a height of 2.0 m. Sphere B leaves a shelf 1.0 m off the floor. If both spheres leave the edge of the table at...
November 27, 2010

chemistry
how many moles of butane gas c4h10 react to produce 3.50moles of water?
November 4, 2010

budget and forecasting
Using the table “Gasoline Sales Time Series”, calculate the forecast for gasoline sales (in thousands) for Week 13 using a three day moving average. Gasoline Sales Time Series Week Sales (000’s of gallons) 1 17 2 21 3 19 4 23 5 18 6 16 7 20 8 18 9 22 10 20 11 15...
October 31, 2010

Finance
Part I: As a financial planner a client comes to you for investment advice. After meeting with him and understanding his needs, you offer him the following two investment options: Option 1 (refer to section on Mathematics of Finance in your text.): Invest $23,000 in a savings ...
October 20, 2010

Economics
Current Yield - $2/$50 = 4% Capital Gains - ($53-$50)/50 = 6% Return: - 4% + 6% = 10% Hope this helps.
October 19, 2010

Economics
Suppose that the price of a stock is $50 at the beginning of a year and $53 at the end of the year, and it pays a dividend of $2 during the year. Calculate the stock’s current yield, capital-gains yield, and the return. Show your work for three separate calculations.
October 19, 2010

Economics
One year ago, you bought a bond for $10,000. You received interest of $400 at the end of the year, as well as your $10,000 principal. If the inflation rate over the last year was five percent, calculate the real return. Show your work
October 19, 2010

Economics
Explain how an economist could use the slope of the yield curve to analyze the probability that a recession will occur and why the spread may matter.
October 19, 2010

chemistry
what is the volume occupied by 0.118 mol of helium gas at a pressure of 0.97 atm & temp of 32 C? R= 0.0821 L atm/mol K
April 18, 2010

Chemistry
DrBob222 - can you set up the equation for the volume problem, i don't have a clue... Is this Charles Law? I know how to change C to K you add 273, but I don't know what figures go where in this formula PV=nRT......
April 18, 2010

chemistry
DrBob222 - for molar mass do you use significant figures? If so would the answer be 0.05 (3.55/65.39)3.55 has 3 SF's correct?
April 18, 2010

chemistry
Write and balance the chemical reaction when gaseous carbon monoxide reacts with hydrogen gas to form gaseous methane (CH4) & liquid water
April 18, 2010

chemistry
What is the volume occupied by 0.118 mol of helium gas at a pressure of 0.97atm and a temperature of 32 degrees celius? R=0.0821 L atm/mol K
April 18, 2010

chemistry
Calculate the molar mass of baking powder (NH4)2CO3
April 18, 2010

Chemistry
What is the amount in moles of 3.55g of zinc(Zn)
April 18, 2010

Social studies
How did the Peace of Augsburg affect the Catholic Church?
December 28, 2009

math
find the unit rate 68 mi on 2 gal
December 2, 2009

Chemistry
Consider the following electron configuration. (σ3s)2 (σ3s*)2 (σ3p)2 (π3p)4 (π3p*)4 Select four species that, in theory, would have this electron configuration.
October 9, 2009

francais
Please could you proof read my work. Thanks J'essaie de manger sainement, je mange 3 ou plus de fruit et légumes et un morceau de chocolat tons les jours. J'adore le fromage mais je connais gras. J'aime boire l'eau parce que saine. J'exerce ré...
September 30, 2009

college
what are some of the changes the United States has made to policies concerning treatment of muslims and arabic members of society
August 6, 2009

Physics
Q: From the Bohr model of the Hydrogen atom, calculate the minimum amount of energy (in eV) an electron in the lowest orbital would need to free it from its proton (i.e., to ionize the atom). A: would I use the equation: En = - 13.6 / (n^2) ? If so, an an electron in its ...
May 26, 2009

Romeo and Juliet Quotation Help
That is Benvolio speaking to Lord Montague in Act I Scene I line 135;however, its wording varies accoring to publisher/translater. I'm an English teacher
April 14, 2009

Keyboarding and word process
Does anyone has the answers to penn foster exam # 01392800?
March 24, 2009

Introduction To Teacher Aide
i just took the test!! 1.a 2.a 3.c 4.b 5.a 6.b 7.c 8.a 9.b 10.d 11.b 12.d 13.c 14.d 15.a 16.c 17.b 18.b 19.b 20.b
January 9, 2009

Introduction To Teacher Aide
1.a 2.a 3.c 4.b 5.d 6.b 7.c 8.a and that is all the further i got so far but these are the right answers cuz i looked them up in the book!
January 9, 2009

Human resources management
17. Andy Liu is employed by National Electronics Company. He works on a team that manufactures the company’s best-selling TV from start to finish. Andy belongs to a _______ team. A. self-directed C. process-improvement B. project D. cross-functional
September 12, 2008

college
An HR manager’s duties can be grouped into the following categories: advice and counsel, service, policy formulation and implementation, and employee advocacy. In practice, these activities often overlap. For example, time spent counseling an employee who is having ...
September 12, 2008

college
Not understanding?
September 12, 2008

college
Biographical information blanks are difficult for applicants to fake because A. the questions don’t have predictable, correct answers. B. they require detailed answers. C. they’re administered by extremely knowledgeable interviewers. D. applicants are required to ...
September 12, 2008

Social Studies
How was/is the law and order kept in the society? We're learning about the government of Ancient Rome. Full Question: How was/is the law and order kept in the society of Ancient Rome and how did the government ensure the society would follow the law?
May 24, 2008

Science
It is volume. Am I supposed to divide mass by volume to get density or mulitply?
September 6, 2007

Science
So i divide 25 cm3 by 50 g to get 2?
September 6, 2007

Science
an object has a colume of 25 cm3 and a mass of 50g. Antoher object has the same volume of 25 cm3 and a amass of 75 g. Caluculate the densities of both objects. Show all work. INclude the correct unites with your answer.
September 6, 2007

Science
differences between high-quality matter and low-quality matter, and give an example of each. Ok I have looked highand low and really can not find anything on this do you know of a web site maybe I could find out I really need to get this done and you all have come through so ...
September 5, 2007

Science
Thank you so much it was a great help your the best have a blessed day.
September 3, 2007

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