Tuesday
April 21, 2015

Posts by nadia


Total # Posts: 130

physics help
A uniform plank of length 5.1 m and weight 235 N rests horizontally on two supports, with 1.1 m of the plank hanging over the right support (see the drawing). To what distance x can a person who weighs 458 N walk on the overhanging part of the plank before it just begins to ...
November 27, 2010

math
can you write 4+4+3=11 in a multiplication sentence?explain.
November 23, 2010

math
can you write 4+4+3=11 in a multiplication sentence?
November 23, 2010

3rd grade math
kelly collects dime quaters and nickels and pennies he took 40 cents from his collection he counted the coins and found out he had twice as many nickels as dimes what coins could kelly have?
September 23, 2010

Physics
A particle's initial velocity is −24.0 m/s. Its final velocity, 3.10 seconds later, is −14.0 m/s. What was its average acceleration?
September 2, 2010

geometry
G lies on the perpendicular bisector of segment AB, AG = x2 + 4x, and BG = x + 18. Find AG
March 8, 2010

math
The wheel on a child's bicycle is 48 cm in diameter. To test the strength of the tire, William lifts the back wheel 1 m from the ground and spins it at 36 turns/min. He attached a blue sticker to the bottom of the tire beforehand. Assuming that William spins the tire at a ...
February 28, 2010

help
What is the percentage of words in an english dictionary that have latin or greek as their source? A} 50% B} 60% C} 70% D} 80% .i choose a.
January 30, 2010

college algebra
please solve by method of substitution 0.3x-0.4y-0.33=0 0.1x + 0.2y -.21=0 please give all steps to solve.I think I understand the basic concept but this is little more complicated for me. Thanks in advance
November 24, 2009

Math
Im sorry but i do not see how to solve. I just figured out that it is 53 cappuccinos and 23 expressos, but i can not make an equation that shows how I got those two numbers.
October 4, 2009

Math
Suppose the central Park Coffee Shop sells a cup of expresso for 2.00 and a cup of cappuccino for 2.50. On Friday Destiny sold 30 more cups of cappuccino than expresso for a total of 178.50, worth of expresso and cappuccino. How many cups of each were sold? I am learion to ...
October 4, 2009

2nd grade math
At what time is eh sum of the digits on a digital clocck the greatest? The answer is 12:59 right?
February 18, 2009

algebra II
How do you know if a quadratic equation will have one, two, or no solutions? How do you find a quadratic equation if you are only given the solution? Is it possible to have different quadratic equations with the same solution? Explain. Provide your classmate’s with one or...
October 7, 2008

Human resources
Analyze how emotional and physical aspects of a person’s life can influence the employee’s effectiveness in the work environment.
October 4, 2008

human resources
My chosen career is registered nursing for this one assignment. I need an idea of how to start this assignment.
September 27, 2008

human resources
Needs assessment: What types of issues might indicate a need for training? From what sources would these issues be identified? If you were a training manager, how would you prioritize training needs from these sources? a. A supervisor requests training on the specialized ...
September 27, 2008

AlgebraII
Why is it important to simplify radical expressions before adding or subtracting? How is adding radical expressions similar to adding polynomial expressions? How is it different? Provide a radical expression for your classmates to simplify
September 24, 2008

AlgebraII
Why is it important to simplify radical expressions before adding or subtracting? How is adding radical expressions similar to adding polynomial expressions? How is it different? Provide a radical expression for your classmates to simplify.
September 23, 2008

5th grade math
can you help me in math? please
September 22, 2008

Math
On the first day of school everyone wants to shake hands. How many handshakes in all? Hint: There are 30 kids
June 5, 2008

Algebra 2
how do you graph the function? f(x)=2(x+2)^2(x+4)^2
November 20, 2007

explantaation
how do birds fly? do u know where to find diagrams of how birds fly? http://www.fi.edu/wright/again/wings.avkids.com/wings.avkids.com/Book/Animals/intermediate/birds-01.html
July 8, 2007

language arts
fly rocket
March 15, 2007

respiration/releasing energy
Does respiration release more energy from 1 gram of fat than from 2 grams of glucose?
February 27, 2007

please help-plasma membrane
I got this question marked wrong on a paper. Unfortunately, my prof didn't explain. _________________ subtances can pass through the plasma membrane. I put "nonpolar". What is wrong with this and does anyone know the correct solution/answer? Thanks all. http://...
February 8, 2007

tight junctions
prevent the contents of the intestine from mixing with bodily fluid on the other side of the epithelium? The statement you made could be true...I'm not exactly sure what you were trying to ask, though... sorry, was asking if tight junctions prevent the contents of the ...
February 6, 2007

question on microscope
"In order, list the lenses in the light path between a specimen viewed with the compound light microscope and its image on the retina of the eye." My son got this question and I cannot make sense of it. Growing up, we didn't have microscopes to use in school.
February 5, 2007

Math
How do you rename as a fraction and decimal 55 5/9% You should know that 5/9 is 5 repeating, so the decimal is 55.5%(with a bar over the decimal part). 5/9 is the fraction
September 25, 2006

economics
cattle rancher (A) owns a property next to an apple farm (B) cattle sometimes tent to roam into B's land and damage the trees. The rancher can choose the size of the herd. revenue form cattle is $6 per head. The following schedle lists A's marginal prodction cost(MPC) ...
September 10, 2006

sociology
Thought I would add a little piece also. I too accidentally ran across this site and am taking the ETH125 class. It is now April 2009.. Good luck to you all!! Like many of you were; I also am a little confused at this point!! :-) Pretty funny we all ended up on this page! Ill ...
July 20, 2006

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