Wednesday
August 20, 2014

Posts by Nancy


Total # Posts: 647

statistic
If 55% of a television viewing population watched a program called ¡§Name that Poem¡¨ one evening, what is the probability that, in a random sample of 100 viewers, less than 50% of the sample watched the program?
April 7, 2012

algebra2
Solve this formula for m. simplify your answer. S=H/m(a-b)
April 5, 2012

Algebra 2
two resistors are connected in parallel. Their resistances are 6 ohms and 10 ohms. What is the resistance, (R), of the combination? R=-----ohms?
April 5, 2012

Algebra 2
A resistor has a resistance of 15 ohms. What size of resistor, (r2), should be connected in parallel with it to obtain a resistance of 7 ohms. Use 1/R=1/r1+1/r2. r2= ohms?
April 5, 2012

Algebra 2
Solve this formula for r. Simplify your answer. E/d=R+t/r Make sure you use parenthesis around any polynomials in the numerator and or denominator.
April 5, 2012

Math
a motorboat can go 24 miles downstream in the same amount of time that it takes to go 12 miles upstream. The boats speed in still water is 12 mph. What is the speed of the river? mi/hr?
April 5, 2012

Chemistry
How do I write the skeleton equation then balance the following (step by step): hydrogen+bromine---> hydrogen bromide
April 4, 2012

statistic homework
If 55% of a television viewing population watched a program called ¡§Name that Poem¡¨ one evening, what is the probability that, in a random sample of 100 viewers, less than 50% of the sample watched the program?
April 4, 2012

statistic solution
The distribution of cash withdrawals from the automatic teller machine at a certain bank has a mean of $500 with a standard deviation of $70. To reduce the incentives for robbery, the bank puts money into the machine every 12 hours and it keeps the amount deposited fairly ...
April 4, 2012

statistic
The Tite Wire Company manufactures wires for circus acts. It has taken a random sample of 100 pieces of wire and wants to see if the thickness of a batch of wire meets minimum specifications. Assume that the population mean is 0.45 inch, with a standard deviation of 0.03 inch...
April 4, 2012

Algebra 2
(4x^3-3x^2+7x)/(x+1/2) Quotient and remainder
April 1, 2012

Algebra 2
(3x^4-5x^3+7)/(x+1)
April 1, 2012

Algebra 2
(3x^3+4x^2-7x+6) / (x-3) quotient and remainder
March 31, 2012

International Finance
What is an AA curve?
March 24, 2012

Algebra 2
(2x^3-x^2-48x+15)/(x-5) Divide and find the quotient and remainder?
March 23, 2012

Algebra 2
(4x^3-4x^2-x-3)divided by(2x^2-3)
March 22, 2012

Algebra 2
(4x^4-4x^2-x-3)divided by(2x^2-3) quotient an remainder?
March 21, 2012

Algebra 2
(3x^4-2x^3+4x-5) divided by (x^2+4) quotient and remainder
March 21, 2012

Algebra 2
(4-3/x^4)/(5+2/x3) Simpify, Leave in factored and reduced form.
March 20, 2012

Algebra 2
(5+3/x^2y)/(3+x/x^3y) Simplify. Leave in factored and reduced form. Put () around polynomials in numerator and denominator
March 20, 2012

algebra2
(4/y^2-1/y^3)/(2/y+3/y^2) Simplify. Leave answers in factored and reduced form. Put () around the polynomials on numerator and denominator.
March 19, 2012

Algebra 2
x^2/x^2+3x-10 - 1/x^2+8x+15 Simplify Leave in factored form and put () around polynomials
March 17, 2012

Algebra 2
(5y+5)/(y^2^+7y+6)*(y^2^+4y-12)/(y^2^+3y-10) Simplify Leave answer in factored form. Keep () around binomial factors.
March 16, 2012

CHEMISTRY
HOW MUCH 1 MOLE HCL IS REQUIRED TO MAKE 250ML OF 0.1 MOLE HCL?
March 14, 2012

Sociological
Using the sociological perspectives: functionalism, conflict, symbolic interactionism and feminism, show how Facebook has made an impact on today's technologically-advanced society.
March 4, 2012

Math
a chemist has an 18% acid solution and a 36% acid solution. How many liters of each of these solutions should be mixed together to make 24L of 30% solution? Enter two numbers separated by a comma
March 1, 2012

AJ
How do the three subsytems :law enforcement, cout, and corrections interact with each other? sorry for misspelling
February 23, 2012

AJ
How do the three susytems law enforcemnt, cout, and corrections interact with each other?
February 23, 2012

math
A board is divided into rectangles each 2/15 in long What is the length of one rectangle written as a decimal
January 19, 2012

Biology
how do animals that live in different enviroments meet their need for efficent gas exhcange? I was thinking maybe through their respiratory system? Body surface, lungs , gills, any specialized organs ? Or though the environment they live in ?
December 21, 2011

books
i couldn't find the answer can u give me the answers pleaseeeee i'm totally lost
December 15, 2011

books
what does winston thinks about people who are arrested from history? 2)who did winston see in the hallway? 3)what kind of notes does O'Brien gives to winston
December 15, 2011

books
what does it mean war is peace from the novel 1984?
December 15, 2011

U.S History
THanks
December 12, 2011

U.S History
help please What challenges did the United States face after the overthrow of saddam Hussein? Please help me ASAP thank you
December 12, 2011

Chemistry
A chemist ran the reaction and obtained 5.70 of ethyl butyrate. What was the percent yield? How do I solve this problem?
December 6, 2011

4th grade math
Is 1,725+346 more or less than 2,000? Explain how you can tell without actually adding.
December 1, 2011

4th grade
Explain how you would use front-end estimation to subtract 189 from 643.
November 30, 2011

Chemistry
Determine the final end (final) value of n in a hydrogen atom transition, if electron starts in n = 1 and the atom absorbs a photon of light with an energy of 2.044 X 10^-18J? A) 3 B) 4 C) 2 D) 6 E) 5
November 28, 2011

math
there are 7 red balloons and 4 fewer blue ballons. use cube trains to model the set of ballons.
November 18, 2011

algebra
During the first part of a trip, a canoeist travels 69 miles at a certain speed. The canoeist travels 2 miles on the second part of the trip at a speed 5 mph slower. The total time for the trip is 3 hrs. What was the speed on each part of the trip?
November 16, 2011

english
What is the def. Of the word thing-a-ling how how to put it into a sentence. Can not find in dictionary.
November 14, 2011

chemistry
0.386M
November 6, 2011

chemistry
Calculate the volume of 1.60 in milliliters that contains 6.00 of solute.
October 29, 2011

Algebra, Geo and Measurement
The diagonal of a tv screen is 21 in. The television's diagonal forms angle "m", which measures 50 degrees. What is the height of the screen?
October 21, 2011

Math
a) f(x) = 4.1x +92.16 b) f(x) = 17.9x + 19.36 c) f(x) = 8.8x + 55.4 ANSWERS: a) 4.8 b) 0.93 c) 2.2, i just have no clue how they got these answers EXTRA INFO: The demand function for a new product is p(x)= - 4x +42.5, where x is the quantity sold in thousands and p is the ...
October 20, 2011

Math
a) f(x) = 4.1x +92.16 b) f(x) = 17.9x + 19.36 c) f(x) = 8.8x + 55.4 ANSWERS: a) 4.8 b) 0.93 c) 2.2, i just have no clue how they got these answers EXTRA INFO: The demand function for a new product is p(x)= - 4x +42.5, where x is the quantity sold in thousands and p is the ...
October 20, 2011

math
arrays and an expanded algorithm 23*17
October 10, 2011

Math
Kosuke wrote a mathematics contest consistingof 25 multiple choice questions, the scoring system gave 6 points for a correct answer, 2 points for not answering, and 1 point for an incorrect answer.Kosuke got x correct and left y unanswered questions a) write an expression for ...
October 9, 2011

Psychology
I have to examine at least two mental disorders and two mental illnesses from the perspective of psychology. Do you know of any sites that can help me with this. Thank you.
October 5, 2011

social studies
I don't believe that punishment can be positive, using the usual definitions. Do you mean reinforcement?
October 1, 2011

algebra
2x-18=1/2x
September 21, 2011

Biology
Since Golgi bodies create lysosomes which are used in cellular digestion, b is correct. Since A is Mitochondria and that is used for energy production (ATP) and the question asks about nutrients, A is incorrect. Break down of macromolecules releases nutrients. Lysosomes break ...
September 15, 2011

statistics
a sample of 120 men and women randomly divided into 3 groups with 40 people per group. group 1 members varied their workouts. group 2 performed the same exercise at each workout. group 3 had no set schedule or regulations for their workouts. by the end of the study 18 people ...
September 10, 2011

hemistry
does glucose sometimes act as a monomer? explain your answer
September 2, 2011

basic dressmaking processes
1. A Correct 2. D Correct 3. B Correct 4. C Correct 5. A Correct 6. D Correct 7. C Correct 8. B Correct 9. C Correct 10. D Correct 11. C Correct 12. C Correct 13. A Correct 14. B Correct 15. D Correct 16. C Correct 17. A Correct 18. A Correct 19. B Correct 20. B Correct
August 30, 2011

earth
Why is the Earth's atmosphere rich in oxygen and poor in carbon dioxide?
August 18, 2011

physics
a charged particle with a charge ratio of 5.7E8 C/kg travels on a circular path that is perpendicular to a magnetic field whose magnitude is 0,27T, How much time does it take for the particle to complete one revolution
August 10, 2011

Health
I am trying to understanding what is required " Identify one trend in global health and discuss how this trend may affect public health in your community." Am I right by thinking that this like how prevention of hiv by cdc can affect local communities. I am trying to...
July 25, 2011

british literature
what is the meter of sonnet 73 what is the rhyme scheme of sonnet 73
July 18, 2011

british literature
review the metrical feet box on page 35 in your study guis and the model of scanned poem in your textbook page 42. then ,scan the following sonnet 73. mark the syllables, separate the feet with shorts vertical lines, and indicate the rhythem scheme that time of year thou mayst...
July 18, 2011

Healthcare Administration
Metropolis currently has $1,150,000 in cash. How long would it take them to accumulate $2,000,000 in cash? Assume an interest rate of 5 percent.
July 4, 2011

physics
Factory Worker A is exposed to a sound of a constant intensity of 6.30 × 10–4 W m–2 at a distance of 1.00 m from a noisy machine. The frequency of the sound is 4.00 kHz. (a) What is the sound level in decibels (dB) of this sound? (b) By what factor would the ...
June 12, 2011

Finance
suppose a computer that costs $3000 new is only worth after 3 years .What is the average annual rate of depreciation?
June 9, 2011

College Algebra
Solve the following equation: 7m^2 = 12 - 17m If more than one solution, separate with commas
May 26, 2011

criminal justice
Prepare a 6–8 slide PowerPoint presentation that addresses the following questions: •What are some of the ways that organized crime impacts you and a community and/or city (of your choice) directly? (This element will account for 20% of your grade.) •What are ...
May 18, 2011

Life orientation
5 ways in which the human enviromental problem impacts on the community.
May 13, 2011

physics
If an equal force acts on the following objects, which will have the greatest acceleration: 1) a golf ball 2) a football 3) a soccer ball 4) a baseball
May 12, 2011

math
In a group of 28, 16 are boys 12 are girls. what fractional part of the group are boys?
May 10, 2011

College Algebra
great!!! thanks so much ...... you are a life saver!!!!! =)
May 10, 2011

College Algebra
sorry ...it is cubing binomials and the avove problem
May 10, 2011

College Algebra
SOLVE: (3x-5)^3 that's to the third power
May 10, 2011

british literature
this are the choices A. old english B. Elizabeth English C. Gothic English D. Middle English
May 9, 2011

british literature
inverted word order, unclearpronouns,and variable spellings are characteristics of what type of english?
May 9, 2011

grammar and writing
what is the adverb in this sentence: pete sometimes pretends he is a strong, silent cowboy.
May 2, 2011

system of equations
solve using any method and identify the system as consistent, inconsistent or dependent. 3x-4y=8 6x-2y=10 I want to use elimination. this is taking me forever!
April 26, 2011

College Algebra
solving using the elimination method and identify the system as consistent, inconsistent or dependent. 3x-4y=8 6x-2y=10
April 26, 2011

College Algebra
A coin jar contains nickels, dimes and quarters. There are 46 coins in all. There are 11 more nickels than quarters. The value of the dimes is $1.00 less than the value of the quarters. How many coins of each type are in the jar?
April 26, 2011

psychology
I am new to the subject so all I need are guidelines on how I can tackle the question.
April 25, 2011

psychology
its not like i want the whole assignment to be done for me while i am relaxed no,i just want to be helped to brainstorm on what i should mainly focus on wen i am answering the question.
April 25, 2011

psychology
Susan Sharp is a 35year old lady who has recently been diagnosed with diabetes.She is overweight and smokes.She is aware that she does not have a healthy lifestyle but finds it hard to resist fast foods and alcohol.She is a single parent of two young children.She claims that ...
April 25, 2011

Finance
How do I calculate a present value? 7,000 in 5 years at a quarterly discount rate of 6% I have looked at the material, but I am confused. Thank you
April 22, 2011

Finance
Present value, How do I calculate the present value of: 7,000.00 in 5 years at a quarterly discount rate of 6%? I have read over the material, but I don't get it. Thank you
April 22, 2011

Finance
Why is time such an important factor in financial matters? How does the frequency of interest compounding, regardless of the rate of interest or period of accumulation, affect the future value of any given amount? Explain your answer. How might you use the principles of the ...
April 20, 2011

College Algebra
Thank you ...thank you ...thank you! =)
April 19, 2011

College Algebra
If 24% of your monthly pay is withheld for federal income taxes and another 6% is withheld for Social Security, state income tax, and other miscellaneous items, leaving you with $989.50 a month in take-home pay, then the amount you earned before the deductions were removed ...
April 19, 2011

College Algebra
If 24% of your monthly pay is withheld for federal income taxes and another 6% is withheld for Social Security, state income tax, and other miscellaneous items, leaving you with $989.50 a month in take-home pay, then the amount you earned before the deductions were removed ...
April 18, 2011

College Algebra
Plz help with the above equation
April 18, 2011

College Algebra
G - 0.24 G - 0.06G =989.5 Sorry that is the equation
April 18, 2011

College Algebra
If 24% of your monthly pay is withheld for federal income taxes and another 6% is withheld for Social Security, state income tax, and other miscellaneous items, leaving you with $989.50 a month in take-home pay, then the amount you earned before the deductions were removed ...
April 18, 2011

College Algebra
If 24% of your monthly pay is withheld for federal income taxes and another 6% is withheld for Social Security, state income tax, and other miscellaneous items, leaving you with $989.50 a month in take-home pay, then the amount you earned before the deductions were removed ...
April 18, 2011

College Algebra
THANKS!!!!! =)
April 18, 2011

College Algebra
The length of a rectangle is 3 times the width . If the perimeter is to be at least 48 meters, what are the possible values for the width? (If the perimeter is at least 48 meters, then it is greater than or equal to 48 meters.) Enter the expression for the width as an ...
April 18, 2011

math true/false
True
April 13, 2011

business
i need an answer
April 6, 2011

chemistry
write the products of these combination reactions: K + O2 ---> Ca + S ---> F2 + Al --->
April 5, 2011

math
find the sum of 9.98 and $15.00
April 5, 2011

math
identify what is the 90 percent confidence interval for occupational prestige for respondents with only a bachelor's degree (N=750), given you have known their mean=52.74, standard deviation=12.67.
April 4, 2011

Stats
identify what is the 95 percent confidence interval for upper class respondents, give you have known their mean=15.34, standard deviation=3.48,and cases=38
April 4, 2011

math
F=Gm1m2/r^2, for G
March 31, 2011

Pages: <<Prev | 1 | 2 | 3 | 4 | 5 | 6 | 7 | Next>>

Search
Members