Wednesday
September 17, 2014

Posts by Irene


Total # Posts: 52

Physics
A block of mass 20 g sits at rest on a plate that is at the top of the fluid on the right side of a U-tube. The U-tube contains two different fluids with densities ρ1 = 900 kg/m^3 and ρ2 = 630 kg/m^3 and has a cross sectional area A = 5.3x10^-4 m^2. The surfaces are ...
May 6, 2014

Physics
A steel sphere of radius 6.5 mm is dropped into a lake. What is the terminal speed of the sphere?
May 6, 2014

Science Plzz Help
1.is c and 5 is b
May 6, 2014

physics
A steel sphere of radius 6.5 mm is dropped into a lake. What is the terminal speed of the sphere?
May 6, 2014

Literacy
if mrs green read "Little Pig little pig and the children said Let me come in then they were using
April 30, 2014

Math
. In 1991 the federal minimum wage was $4.25. In 1997 the federal minimum wage was $5.15. Find the rate of change (slope) for the federal minimum wage between 1991 and 1997.*Hint: let 1991 and 1997 be the domain and let $4.25 and $5.15 be the range
February 28, 2014

math
In order to fit 3 pictures across a page, the yearbook staff must reduce their portrait proofs using a scale factor of 8 to 5. Find the dimensions of the picture as they will appear in the yearbook.
January 8, 2014

Gen 499
Final Research Paper Research the responsibility of a critical thinker in a contemporary society. You may choose any topic that deals with a contemporary social concern. Examine the principles of critical thought in relation to the chosen societal concern, and consider the ...
December 10, 2013

statistics
The international bottled water association says that Americans on the average drink 4.6 (8oz) servings of water a day. Assume that the number of 8oz. servings of water is approximately normally distributed with a standard deviation of 1.8 servings what proportion of Americans...
September 17, 2013

math
If 1,000 US dollars is equivalent to 0.8610 euros, convert 11.000 to euros
September 8, 2013

Statistic
At one college, GPA's are normally distributed with a mean of 2.7 and a standard deviation of 0.5. What percentage of students at the college have a GPA between 2.2 and 3.2?
May 31, 2013

L.O
Identify and describe 3 environmental health hazards that cause ill health,crises,and or disasters within your community or any other community within south africa and globally.inlcude evidence that is current of the identified issues
May 6, 2013

us history
What was life like for nurses during the civil war and what incidents happend
April 23, 2013

Math
I need to translate to an algebraic expression. The product of two numbers multiplied by 3.
January 21, 2013

statistics
for a population with mean of u=50 and a standard devation o=8,find the following raw scores corresponding to each of the following z scores. z score 2.50,-.50,-1.50,.25,-1.00,.75 find the raw score(x) of the above numbers
June 21, 2012

healthcare quality and risk management
Discuss the role of stakeholders in quality and risk management including the relationships between employers and third party payers with healthcare organizations. What roles do each play in quality and risk management, if any? What is the impact on the patient's and care...
April 1, 2012

geometry
the resultant speed is the hypotenuse 9+100=109 √109=10.4
February 27, 2012

English
What is the adverb in this sentence? The seeds were planted at about four inch intervals.
January 10, 2012

physics
a force of 20 n is applied to a 10 kg mass on a level frictionless surface what is the acceleration of the mass?
November 14, 2011

chemistry
would you expect the absorbance to be higher or lower if the dilution of one of the solutions went under the calibration mark on the volumetric flask.
September 11, 2011

communication
Identify Twenty Errors in the Passage Below Review the passage below, which contains 20 errors. Identify these errors by marking each of the errors in bold, and make your correction in parentheses after the error. Example: My cars interior is black. This must be marked as ...
May 9, 2011

algebra
what is the radical and x=5 on the inside of the radical?
April 26, 2011

physical science
yes it is with out function because of the out put of force
April 26, 2011

math
rule y=4x-5 input 3,5,7 help me find out the output values
February 18, 2011

Rounding Decimals
Use the digits 0,2,5 and 8. Write a decimal that will round up if rounded to the nearest whole number, round down if rounded to the nearest tenth, and round up if rounded to the nearest hundredth.
February 9, 2011

unit rate
what is the definishion of a unit rate
January 20, 2011

advance language arts
base: abase:: prolific:soporific mobile:immobile parley:parliament fortification:fortify CAN ANYONE HELP??
December 7, 2010

Chemistry
given 65g of Zn and 65g of HCl, what is the limiting reactant and reactant in excess in Zn + 2HCl- ZnCl2 + H2
November 1, 2010

science
How does the human body respond to cuts/wounds on the body -- immune system response? What causes the change in the skin?
October 27, 2010

Calculus
y = -6x*e^(16-3x^2) using the chain rule: (f(g(x)))prime one= f prime(g(x))*g prime(x)
June 20, 2010

calculus
o, ok thank you! I now understand.
June 20, 2010

calculus
Find an equation of the tangent line at x = 0 for the given function. f(x) = 5x2 + cos(x) I really need help on this one.
June 20, 2010

calculus
Consider the function. f (x) = 5x3 + 3x (a) Compute the derivative at x = 3 using the limit definition. f '(3) = (b) Find an equation of the tangent line. 2
June 14, 2010

english
which phrases are simile, metaphor and personfication in the following paragraph: Our vacation paradise cutting all flour legs from under the dinner table With one deep-water move he unwove the rugs in a moment throwing pints of blood over everything we owned His odd head full...
February 8, 2010

Physics
12 kPa
November 17, 2009

12th grade
i have to write my essay about "the wife of Bath's tale" and first i need to explain how " the wife of Bath's tale"' can be read as both a pro-feminist and an anti-feminist stroy" second, provide an arguemtn as to which I believe the story ...
October 5, 2009

math
50388
May 10, 2008

Math
If 8x + 5x + 2x + 4x = 114, then 5x + 3 = a.12 b.25 c.33 d.47 e.86
April 27, 2008

Math
Now I get it. Haha, I've been trying to solve this for hours.
April 26, 2008

Math
If r = 5 z then 15 z = 3 y, then r = 1. y 2. 2 y 3. 5 y 4. 10 y 5. 15 y
April 26, 2008

Math
@ bob and gama - here are the choices: $496.30 $512.40 $555.40 $574.90 $588.20 Which is the right one?
April 26, 2008

Math
Ok Thanks.
April 26, 2008

Math
Jim is able to sell a hand-carved statue for $670 which was a 35% profit over his cost. How much did the statue originally cost him?
April 26, 2008

Math
Thanks! I think I got it!
April 26, 2008

Math
Solve the following equation for A : 2A/3 = 8 + 4A
April 26, 2008

advanced math
I'm not sure how to find the line of best fit. I have two equations, linear and quadratic. I graphed them on my calculator, but now I don't know which one is the best fit. Can I tell by the r^2?
March 17, 2008

math
Hi, How could I find the line of best fit? I plotted each of the equations I had for a problem I'm solving. The equations were linear (y=ax+b) and quadratic (y=ax+b+c). I'm supposed to find out which line is the most appropriate for the data that is given to me. When ...
March 17, 2008

english for 1st grader
what is the special sound, for, round,shout and what.
November 28, 2007

Government/Social Studies
I have to locate information about racially motivated events and/or crimes that occurred between 1980 - 2000, that resulted in changes in the law or school policies. Where do I start? Please help!!
October 25, 2007

ALGEBRA HELP NEEDED PLEASE!
solve the linear system using substiution
September 11, 2007

algebra
2x +6y =-24 This is a linear equation that can be simplified by dividing through by 2. What else do you need to do with it?
September 27, 2006

Product Rule
Can someone please help me with this? f(x)=(x-2)^1/2 * (x^2-3)^3 find f'(x) using the product rul. This is what I came up with I just need to know if I did it right. f'(x)=(x-2)^1/2*3(x^2-3)+(x^2-3)^3*(1)^-1/2 Hopefully I did. Thanks. no. You are not using the chain ...
July 28, 2005

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