Saturday
October 25, 2014

Posts by sue


Total # Posts: 855

algebra
One week, you earned $1350. Let x represent your total sales that week. Write an equation that could be used to find x.
April 16, 2011

survey of economics
How would you compute changes in Microsoft’s volume of output from one year to the next? How would price changes affect your computations?
March 23, 2011

Algebra II
are you sure 9 and 2 is right??
March 22, 2011

Algebra II
Can someone please help me with this problem. Given Matrix Y= 2 -7 4 and -1 1 0 Matrix Z= 3 4 1 4 2 -4 Solve for matrix X. X-2Y=3X+Z HELP PLEASE!!!
March 22, 2011

Chemistry
Approximately how much water should be added to 10.0 mL of 12.0 M HCl so that it has the same pH as .90 M acetic acid(Ka= 1.8 x 10^-5)?
March 13, 2011

Chemistry
The blank solution used to calibrate the spectrophotometer is 10.0mL of 0.2M Fe(NO3)3 diluted to 25.0mL with 0.1M HNO3. Why is this solution preferred to simply using de-ionized water for the calibration?
March 12, 2011

economics
What would happen to unit sales and total revenue for this textbook if the publisher reduced its price?
March 6, 2011

Math
I want to make a fence with a perimeter of 42 feet and an Area of 58 square feet. Label all sides of the fence.
March 3, 2011

finance
Anne is planning to attend college when she graduates from high school in 7 years from now. She anticipates that she will need $10,000 at the beginning of each college year to pay for tuition and fees, and have some spending money. Anne has made an arrangement with her father ...
March 1, 2011

software
Sorry can you explain please
March 1, 2011

software
<?xml version="1.1"?> <reference> <author/>Compton, R.</author> <year>2010</year> <articletitle>SOA explained</articletitle> <journaltitle>Retail Management</journaltitle> <issue>vol. 14 no. 6, June<...
March 1, 2011

hardware
Hi i'm just stuck on this question. can please someone help me. Three cortrect ones are: A) A 9-bit word represents twice as many code words as an 8-bit word. B) mp4, mpg and bmp are all examples of video file extensions. C) A data rate of 4 gigabits per second means that ...
March 1, 2011

Math
Suzanne wants to put a fence around her square garden. If the garden covers an area of 64 ft2, how many feet of fencing does she need?
February 28, 2011

math
thank you
February 23, 2011

math
I dont understand the rules for adding and subtracting postive and negative ,can you please explain it to me? im having a test
February 23, 2011

6th grade english
Can you recommend a site where I can get some examples of prepositional prases?
February 20, 2011

sociology
This assignment is confusing me, is there anyone that can lead me in the right direction? The assignment is as follows. If appointed to head the U.S. Civil Service Commission, what polices would you propose to reduce radical ethnic strife in the U.S. and why? This assignment ...
February 19, 2011

math
In the trapezoid above, base R is 16 units and base S is 24 units. The trapezoid has a height of 9 units. What is the area of the trapezoid?
February 17, 2011

chemistry
write the formulas of the complex ion formed between a) the ligand, Cl-, and the platinum(II) ion with a coordination number of four. b) the ligand, NH3, and the nickel(II( ion with a coordination number of six. c)the ligand, ethylenediamine, and the chromium (III) ion with a ...
February 17, 2011

chemistry HELP PLEASE
write the formulas of the complex ion formed between a) the ligand, Cl-, and the platinum(II) ion with a coordination number of four. b) the ligand, NH3, and the nickel(II( ion with a coordination number of six. c)the ligand, ethylenediamine, and the chromium (III) ion with a ...
February 17, 2011

early childhood literacy
not arbitrary symbols
February 16, 2011

Algebra
5/(6 x)-2/3 = 4-2/x
February 15, 2011

math
The length of a rectangle is 4 times its width. Express the perimeter, P, of the rectangle as a function of the width, w.
February 15, 2011

math
You flip a coin and toss a 1-6 number cube what is the probabilty of getting a 5 and tails
February 13, 2011

computer science
In the TCP/IP model, the best path through the network is determined at the ______________ layer. In the OSI model, the same function is carried out at the ______________ layer. A network access network B network access transport C internet network D internet transport E ...
February 13, 2011

computers
Can please help me, i'm stuck on thios question:- Q) Select the two true statements from the following list. A)In the OSI model, PDUs at layer 2 are called frames and PDUs at layer 3 are called packets. B)In an IPv4 packet header the Time-to-Live field is 8 bits. This ...
February 10, 2011

Math
50MB file is compressed using a compression ratio of 10. What is the compressed file size?
February 10, 2011

math
exmple of porportion and ratios in your daily lives.
February 9, 2011

computer science
can please help me to fill this: In the TCP/IP model, the best path through the network is determined at the ______________ layer. In the OSI model, the same function is carried out at the ______________ layer.
February 9, 2011

algebra
35+ 6 x < 20 -2
February 8, 2011

Algebra
35+ 6x <29-2
February 8, 2011

Math
Can please someone check my answer: a)385 data loss incidents took place b)110 million people were affected by personal data loss incidents c)3% of all data loss incidents were caused by hard copy theft/loss d)20% of all data loss incidents were caused by portable media theft/...
February 8, 2011

4th grade math
96
February 7, 2011

Computer science
can you please explain, i didn't get it. Thanks
February 7, 2011

Computer Science
Can please someone check my answer: a)385 data loss incidents took place b)110 million people were affected by personal data loss incidents c)3% of all data loss incidents were caused by hard copy theft/loss d)20% of all data loss incidents were caused by portable media theft/...
February 7, 2011

Algebra 2
Walking at 4km/h, Bruce can make the roundtrip between his campsite and Lookout Point in 2.5 h. Rowing on Crooked River, he can row upstream from the campsite to Lookout Point in 1 h and can row back again in 40 min. Find Bruce’s rate of rowing in still water and the ...
February 6, 2011

lab
i need 200mL of an 8 molar solution of dilute acid, and my stock cconcentrate is 18 molar, how much of the concentrate, and how much water will i need?
January 31, 2011

chemistry help
the rate constant (k) for a reaction was measured as a function of temperature. A plot of In k versus 1/T (in K ) is linear and has a slope of -1.01 x 10^4 K. Calculate the activation energy for the reaction. i dont know how to solve it???
January 31, 2011

algebra
If a pizza is 15.00 and the cost is 55.00 labor is 4.00 what is the equation to determine revenue?
January 26, 2011

social studies
1) how did the fact that fur trading companieswere econimic imperialists affect the development of westerm Canada? 2) how did the arrival of settlers in the West affect the fur trade? 3) describe the role played by Native peoples in the fur trade. 4) describe the role played ...
January 19, 2011

Computer Science
a)385 data loss incidents took place b)110 million people were affected by personal data loss incidents c)3% of all data loss incidents were caused by hard copy theft/loss d)20% of all data loss incidents were caused by portable media theft/loss e)15% of data loss incidents ...
January 16, 2011

computer science
What are the differences between VPN and private network?
January 16, 2011

geometry
this answer is incorrect .
January 13, 2011

Science/language arts
I need a poem that I need about lithosphere
January 11, 2011

Geometry
In a triangle labeled ABC with the following coordinates A(-3,2) B (0,4) C (2,-1) What is the image of each vertex? Give answer as an ordered pair.
January 11, 2011

Geometry
In a triangle labeled ABC with the following coordinates A(-3,2) B (0,4) C (2,-1) What is the image of each vertex? Give answer as an ordered pair.
January 10, 2011

Algebra 2
One of the the zeros of the functions F(x)= x^4+2x^3-13x^2-38x-24 is x=-3, find the other zeros of the function.
January 9, 2011

geometry
this answer is incorrect .
January 6, 2011

precal
are there solutions to x^3+27i=0 is so what are they?
December 30, 2010

precal help
Find a Parabola with Vertex (3,1) Focus (4,1) Find the vertex of 4y^2+4y-16x+13=0 Find the center of an ellipse 9x^2+4y^2-36x-24y-36=0 Find an ellipse with minor axis of 8 and vertices at (-9,3),(7,3)
December 30, 2010

PRECAL
answers please btw steps arent necessary
December 29, 2010

PRECAL
Find a Parabola with Vertex (3,1) Focus (4,1) Find the vertex of 4y^2+4y-16x+13=0 Find the center of an ellipse 9x^2+4y^2-36x-24y-36=0 Find an ellipse with minor axis of 8 and vertices at (-9,3),(7,3)
December 29, 2010

chemistry
determine the mass of phosphoric acid that can be produced by the reaction of one thousand tons of phosphate rock and sulfuric acid
December 20, 2010

math 116
Simplify. -2[38-(-56-50)]=
December 16, 2010

physics
are you sure? because this is a acceleration in two dimensions problems. the answer is supposed to be in the form of ( , )m/s.
December 15, 2010

physics
help please. thankyou.
December 15, 2010

physics
An electron starts at rest. Gravity accelerates the electron in the negative y direction at 9.80 m/s2 while an electric field accelerates it in the positive x direction at 3.80×106 m/s2. Find its velocity 2.45 s after it starts to move.
December 15, 2010

physics
that is indded correct! can you help me on the other question i had too? its right above this post. it is either the electron or cannon question. thanks so much again!
December 15, 2010

physics
please can someone help?
December 15, 2010

physics
A long jumper travels 8.95 meters during a jump. He moves at 10.8 m/s when starts his leap. At what angle from the horizontal must he have been moving when he started his jump? You may need the double-angle formula: 2 sin u cos u = sin (2u)
December 15, 2010

physics
can someone pls help me??
December 15, 2010

physics
An electron starts at rest. Gravity accelerates the electron in the negative y direction at 9.80 m/s2 while an electric field accelerates it in the positive x direction at 3.80×106 m/s2. Find its velocity 2.45 s after it starts to move.
December 15, 2010

Music
Did will smith write his own music?
December 15, 2010

College Chemistry-Please
THANKS!!!
December 4, 2010

College Chemistry-Please
*Only need input not doing it for me. PLEASE QUESTION: Some hydrocarbon fuels have sulfur present and contribute to air pollution. When this solid sulfur is burned in the presence of oxygen, the noxious, toxic gas sulfur dioxide results. If there is .50 grams of sulfur and 1....
December 4, 2010

Chemistry 111
Thanks! I knew the formula but wasn't quite sure if i convert mL to L in the formula. I know that I must covert C to K and Torr to Atm for the equation.
December 3, 2010

english
did dwight d eisenhower achieved the american dream?
November 22, 2010

math
200 pages 20 divided by .10
November 22, 2010

research and evaluation
Give examples of both discrete and continuous data? What makes them different? Is the measurement of money continuous or discrete? Explain. Can discrete data be analyzed using the normal distribution? Why or why not?
November 18, 2010

research and evaluation class
describe joint probability for independent events and give an example of how you would calculate it. How is this different than conditional probability? The following payoff table gives the return on three alternative business decisions based on three possible scenarios –...
November 18, 2010

geometry
find AB if BD is a median of triangle ABC
November 16, 2010

algebra
What is x/3=7/6
November 15, 2010

business
describe why it is important to consider each domain in the study of adult development
November 15, 2010

Science
When learning about types of energy what are the types of energy for: A. a lit match, yo-yo, bicycle, trampoline, apple, lightbulb, cooker, moving bullet, nuclear bob, hairdryer, solar panel,campfire, car, human, tv, mobile phone, thanks
November 4, 2010

9th grade
What is the total supply for US - silk, coffee, or bananas or all of them?
November 2, 2010

chemical principal
a chemist weidghed 1.25g of sodum hydroxide ,placed it in a volumetric flask and then added enough deionized water to bring the total volume to 250mL. How many moles of NaOH were added to the volumetric flask
November 2, 2010

chem--please help me!!
when a 25.0 mL sample of an unknown acid was titrated with a 0.100 M NaOH solution. Determine Ka for the unknown acid. Volume NaOH = 12.5 mL; pH=3.80 please help me explain in details!!!
October 30, 2010

spanish
presidencial día esté Thank you for the help.
October 26, 2010

spanish
Hoy en dia pavos SON perdonados en caso de que el pavo no este disponible para el perdón presipdencial. Is SON correct in this sentence and if it is, why?
October 26, 2010

chem
35.00 grams of propane C3H8 are burned. How many grams of CO2 ARE PRODUCED
October 26, 2010

algebra
I get confused when solving for some of the fractions in my problem. how would you solve for 1+(-2/(sqroot 5))? I just need a refresher on the order of operations for it. Thanks!
October 25, 2010

college
describe why it is important to consider each domain in the study of Adult Development?
October 23, 2010

ECONOMICS HELP PLEASE
i need to find any sources (articles) dealing with factory orders, employment levels, foreign companies, and factory closures... because I need to write a page of each one of them and what it means also...please help me on it
October 22, 2010

math
If f(x)=(3x+6)^–1, find f'(x).
October 21, 2010

math
If f(x)=(3x+6)–1, find f'(x).
October 21, 2010

Chemistry
27.0 mL of 1.00 M HClO4 are mixed with 27.0 mL of 1.00 M LiOH in a coffee cup calorimeter. The calorimeter constant is 28.1 J/C. Both were initially at 21.31 C. Calculate delta H(rxn) in kJ/mol for the reaction.
October 20, 2010

statistics
What would be the range of the scores 71, 37, 48 from the same set with 95% cofidence level?
October 17, 2010

chemistry
.819 mol CO2= 30604 g CO2 X= 3.604 g CO2/100.09 g/molCaCO3= .036 mol CaCO3 Y=3.604 g CO2/84.32 g/mol MgCO3= .043 mol MgCO3 I'm stuck. I don't think I did it right.
October 17, 2010

chemistry
Thank you. But could you explain how you got that equation for solving for x and y? I need to prove my answer.
October 17, 2010

chemistry
A mixture of CaCO3 and MgCO3 weighing 7.85 g was reacted with excess HCL. The reactions are CaCO3+2HCL=CaCl2+H2O+CO2 and MgCO3+2HCl=MgCl2+H2O+CO2. The sample reacted completely to produce 1.94 L CO2 at 25 degrees C and 785 torr. Calculate the percentage of CaCO3 and MgCO3 in ...
October 17, 2010

Chemistry
Given one of the following solution: 50.00mL of 0.10M of K2CrO4 answer the following. 1. How do you prepare the solution? 2. What volume (mL) of your solution contains 5.00X10(-4) moles of the solute? 3. What volume of your solution contains 1.00g of the solute? 4. What is the...
October 17, 2010

Psy 340
What are some examples of theories concerning sexual orientation, hormones, and the brain? Which one do you feel is most accurate? Why?
October 14, 2010

statistics
Sample size is 24, Mean rate of 6.50%, Standard Deviation is 1.20. Calculate 90% of confidence interval
October 14, 2010

engish (beowulf)
how does the battle between Beowulf and the dragon show the inequalities of the Anglo saxon class system?
October 11, 2010

Business
How did U.S manufacturers become vulnerable to offshore outsourcing?
October 10, 2010

business
•In a managers’ meeting, discuss the impact of the well-publicized ethical lapses in recent years by several large companies.
October 4, 2010

algebra
2v+18=16-4(v+7)
October 3, 2010

physics
The pendulum swings past the pole 14 times in 21 seconds. The weight of the bob is 10g. Calculate the period?
September 29, 2010

Algebra
Write a polynomial for the area between two concentric circles if the radius of the outer circle is two less than three times the radium of the inner circle.
September 28, 2010

Algebra
I have 18 bills that equal $100.00 (5-$10 bills, 9-$5 bills, 3-$1 bills, 1-$2 bill). How can this be expressed in an algebric equation?
September 28, 2010

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