Saturday
January 24, 2015

Posts by ali


Total # Posts: 544

math
A weight attached to a spring is pulled down 4 inches below the equilibrium position. Assuming that the frequency of the system is 8/pi cycles per second, determine a trigonometric model that gives the position of the weight at time t seconds.
April 5, 2010

world literature
How does world literature effect the U.s society?
April 5, 2010

Probability/Stas
There are 20 red yellow and green tiles in a bag. 1/2 of the tiles are not yellow. 1/5 of the tiles are red. What is the probability of randomly selecting a colored tile from the bag that is NOT green?
March 31, 2010

accounting
B) Membership on the budgeting committee is restricted most often to accountants because the budget involves numbers. Master budget preparation is normally supervised by a committee. The budget committee is responsible for settling disputes among various departments over ...
March 30, 2010

chemistry
the answer is 11.17 or not
March 25, 2010

chemistry
How many grams of iron(III) nitrate.9H2O could be formed from the reaction of 3.676 g of iron with excess HNO3? Please can u explain? i try balance the question i couldnt.
March 25, 2010

college
Explain why, in terms of job performance and efficiency, knowing medical billing terms is critical for working in the health care field. Respond in at least 150 words and provide specific examples.
March 13, 2010

math please help!!!!!!!!!!!!!!!!!!!!!
$42
March 2, 2010

math
What is the probability of drawing a red checker from a bag of 9 black checkers and 6 red checkers, replacing it, and drawing it again?
March 2, 2010

Math
So Hannah wakes up at 7:56 , Beth wakes up at 7:03. Hannah has breakfast at 8:36 and Beth has Breakfast at 7:50. Problem 1 : How many minutes more did Hannah wake up from Beth. 7:56 -7:03 0:53 Problem 2 : Is 8 : 36 to 7 : 56 I'm not understanding!
March 1, 2010

math
HOW DO i SET THIS UP AS A PROPORTION? 2,640 FT=X MILES
February 24, 2010

music
it is a vowel used to replace a vowel and constanant for ex. down, using a diphong d-AH-n but it still sounds the same while you are singing
February 18, 2010

English
look them both up and compare one to another.
February 18, 2010

Earth Science
degrees
February 18, 2010

spanish
go to google and type in babblefish it will translate it and all you do is figure out the rest and translate it back into spanish
February 18, 2010

english
yes
February 18, 2010

english
yes i would say if gossipy is a word
February 18, 2010

english
check and see if gossipy is a word
February 18, 2010

english
no you misspelled a couple words
February 18, 2010

circumference
area or circumference?
February 18, 2010

choir/language
what language is the song bonse aba in? im thinking zambian am i right?
February 17, 2010

math
5 hundreths
February 16, 2010

thermal energy/science
fluids transfer heat by convection
February 16, 2010

thermal energy/science
on a cold day ,closing the windows keep the room warmer . why i need scientific and i dont know any
February 16, 2010

Math
sometimes
February 16, 2010

1st grade
i need more information im thinking shelter
February 16, 2010

ancient world history
thank you
February 16, 2010

ancient world history
what are gargoyles and grotesques?
February 16, 2010

science
we would not have all the resources that we would need today for every day life effecencies such as natural gas and oil
February 16, 2010

math
what does this sign(^)mean?
February 16, 2010

geometry
you can use a 360 degree protractor.or you can use a regular protracto and do a couple more steps in math
February 16, 2010

math
thank you i get it now your awesome
February 16, 2010

math
damon i need to now where you got 1/3 from
February 16, 2010

math
thank you!
February 16, 2010

math
A box has a volume of 48 cubic cm. A similiar box has volume of 6 cubic cm. what is the scale factor between each box?
February 16, 2010

Math/Algebra
a=b*h/2 a=30*20/2 a=60/2 a=30sq ft 30*3=90 the glass will cost?
February 16, 2010

calculus
Use the Table of Integrals to evaluate the integral (x sine(6x^2)cos(7x^2)dx)
February 14, 2010

math
kdjsalkdas
February 1, 2010

college algebrall
f(x)=4x^2-8x+=8x-8
January 10, 2010

college algebrall
f(x)=3x^2-18x+6=6x-18
January 10, 2010

social studies
i dont know
December 13, 2009

probability
hi! how would you figure out a problem where you are given a probability of success for 12 people and you are trying to find the probability of success for 1 person?
December 8, 2009

criminal justice
why is it important information for the correctional staff to know if the subject have any marks?
December 6, 2009

Algebra
Why does this happen? A=3 and b=2 A+b=c is the equation. Multiplying both sides of the equation makes the equation a^2+2ab+b^2 which is equal to a^2+ab-ac=-ab-b^2+bc Dividing by (a+b-c) we find a=-b or 3=-2 Why?
December 3, 2009

Probability again
A bag contains 5 yellow balls, 5 orange balls, 6 white balls and 6 red balls. Five balls are drawn and NOT replaced each time
November 29, 2009

algebra
thanks!
November 17, 2009

algebra
how would i figure out a problem like: a^2 + b^2 = 5^2 is there a certain method to figure this out?
November 17, 2009

Math
I dot'n know
November 16, 2009

chemistry
The Measured voltage of the cell Pt H2 (1.0atm) H+ // Ag+ (1.0M) Ag ia 1.02 V at 25degrees. Gven E cell is 0.80V, calculate the pH of the solution.
November 2, 2009

economics
(A) “Market demand for wheat is relatively stable over time but market supply of wheat is very much influenced by the weather. For example, a natural drought decreases the supply of wheat and pushes up its prices while a bumper crop can severely depress wheat prices. Acts...
October 31, 2009

Physics
A 15-kilogram block is sliding on a dry, level surface with a coefficient of dry sliding friction of 0.3. The initial speed of hte block is 10/m/sec. How far does the block slide before it stops?
October 15, 2009

chemistry
apply write an expression for the quantity 506,000 cm in which it is clear that all the zeros are significant.
October 4, 2009

math
How did you come up with this answer?
October 3, 2009

social studies
a person who is running away is a
September 30, 2009

science
I've thought of that but I'm not sure if I was right. Thank you so much!
September 23, 2009

science
What changes in diet would allow a growing human population to be supported without any further increase in farmland? Explain your answer. help me please :(
September 23, 2009

science
DDT is stored in body fat and remains toxic for many years. Explain why these characterestics are undersirable in a pesticide. What characteristics would you want in a pesticide to make it less harmful to non-pest organisms?
September 23, 2009

app. math
Given the following data set, which measure of central tendency is the greatest ? {2,4,6,8,10,12}
September 21, 2009

9th grade SCIENCE
what is the three maining of science
August 25, 2009

physics
"A rod with length L , mass m and resistance R slides without friction down parallel conducting rail of negligible resistance . the rails are connected together at bottom, forming a conducting loop with the rod the plain of the loop makes angle Z wih horizontal , a ...
July 3, 2009

12th grade math
Below is a set of at least two related math/science "words" with their letters combined and arranged in alphabetical order. When you successfully unscramble the letters into the component words, there will be can additional word that should be in the set. That ...
April 10, 2009

11th grade math
Below is a set of at least two related math/science "words" with their letters combined and arranged in alphabetical order. When you successfully unscramble the letters into the component words, there will be can additional word that should be in the set. That ...
April 10, 2009

math
Below is a set of at least two related math/science "words" with their letters combined and arranged in alphabetical order. When you successfully unscramble the letters into the component words, there will be can additional word that should be in the set. That ...
April 10, 2009

Physics
what
March 26, 2009

Chemistry
How many moles of HNO3 are required to make 250mL of a 2.4M solution? How many grams of KOH are required to make 125mL of a .50M solution?
March 4, 2009

Chemistry
What is the molarity of a solution with 3.5mol of CaCl2 in 1.89L of solution What is the molarity of a solution with 16g of CH3OH in 487mL of solution
March 4, 2009

manegerial econimics
1 JQ sells ties and currently has sales of 1,200 units a month, producing a revenue of £36,000. It competes with KR, who is now considering a price cut of 25%. The PED for JQ is –1.5 and the CED between the two products is 0.8. a) Calculate the effect of KR’s ...
March 1, 2009

managerial economics
1. JQ sells ties and currently has sales of 1,200 units a month, producing a revenue of £36,000. It competes with KR, who is now considering a price cut of 25%. The PED for JQ is –1.5 and the CED between the two products is 0.8. a) Calculate the effect of KR’s ...
March 1, 2009

social studies
what details show that athens developed a system of democracy
February 5, 2009

12th grade bio
The transition of the lips where the outer skinner and inner mucous membrane meet is called the _________ I looked it up and from what I read I believe it is the gingivae. Would that be correct. Thank you
February 5, 2009

college Anatomy & Physiology
The transition of the lips where the outer skinner and inner mucous membrane meet is called the _________ I looked it up and from what I read I believe it is the gingivae. Would that be correct. Thank you
February 4, 2009

Math
A new car depreciates an average of 22% in its first year of use. If the car was worth $16,000 when it was new, what will the car be worth after 1 year?
January 23, 2009

collage algebra 1
what is pi
January 5, 2009

9th grade geography
waht is the economy i nt the far northern region of russia based on
December 8, 2008

high school
If F(n) = F(n-1) + (n-1) F(5) = 11 What is F(1)?
November 15, 2008

calculus
Find the area of the largest rectangle with one corner at the origin, the opposite corner in the first quadrant on the graph of the line f(x)=20-5x , and sides parallel to the axes.
November 3, 2008

Math
The question is: The freezing point of helium is -272 degrees celsius. The original temperature of a sample of helium is 3 degrees celsius. a.How much must the temperature change to ensure that helium freezes? -AND- b.Assume the temperature changed at a stedy rate for 25 ...
September 22, 2008

science please help me
in classification system what does BASIS mean????????
September 21, 2008

us history
thanks so much for your help.
September 18, 2008

us history
What big idea of American government does The House of Burgesses Fall under? Delf Government, Limited government, representative government or common law.
September 18, 2008

us history
How did the House of Burgesses Influence the Founding fathers of the United States when they greated our government?
September 18, 2008

6th grade
What about place value in decimal fractions? What's your question?
September 16, 2008

words
unscramble cehlmnnouy eefilnpptt eehkossuy ceghlmosty cegghimnuw
September 11, 2008

English
I have to learn drafting
September 9, 2008

3rd grade
Asia
September 8, 2008

Trig
How do you find an equation of a line perpendicular to y=x at the point (5,5) in standard form?
September 7, 2008

Chemistry
the number of moles in 6.2g of sodium oxide
September 6, 2008

Ethnic Diversity
Well, here we go!!Same college, same class. I'm having a real problem with this one. I'm so glad I stumbled across all you guys. Good Luck!!!!This has helped me.
September 2, 2008

math
Given 3x-2y=6, how do i find the area of triangle OPQ? I know I have to graph the equation first but I dont even know how to find the points?
August 28, 2008

hhs 235
Bahrain is a small country in Arabian Gulf, with 1,234,596 inhabitants. Bahrainins divided into two groups Sunni approximately 50% and Shia 42% and the rest are residents from many countries. The Shia starts the demonstrations in 14 Feb 2011 after the succes of Tunisia ...
July 6, 2008

com 150
Identify the topic and three subtopics for your expository essay. · Provide three credible sources from the Internet for your expository essay and cite the sources in APA format. · Address the following question: Which subpoint or subpoints on your mind map do ...
June 29, 2008

Chemistry
What do Na2(CO3)+ Zn(NO3)2 form?
May 18, 2008

science
movement of earth around sun and movement of moon around earth
May 17, 2008

Chemistry
Is it...KNO3+C+S--> N+CO2+KS
May 15, 2008

Chemistry
How do i do that?
May 15, 2008

Chemistry
20.When black gunpowder explodes, potassium nitrate, carbon, and sulfur react with each other to form nitrogen, carbon dioxide, and potassium sulfide. If thee original mixture contains 50.0 g of potassium nitrate, what is the total volume of the gases produced in the reaction...
May 15, 2008

algebra
what do you call it when somebody spends 20 years in the 24th row of a theatre
April 6, 2008

math riddle ALGEBRA WITH PIZZAZZ
omg i just got 3 points extra credit lol!!!
April 6, 2008

Physics
A lunch tray is being held in one hand, as the drawing illustrates. The mass of the tray itself is 0.220 kg, and its center of gravity is located at its geometrical center. On the tray is a 1.00 kg plate of food and a 0.230 kg cup of coffee. Obtain the force T exerted by the ...
April 4, 2008

Physics
A person exerts a horizontal force of F = 179 N in the test apparatus shown in the drawing. (h = 0.35 m.) Find the horizontal force M that his flexor muscle exerts on his forearm. The distance between the fexor muscle and the elbow joinf is .051 m
April 4, 2008

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