Friday

April 17, 2015

April 17, 2015

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*