Thursday
July 2, 2015

Posts by elizabeth


Total # Posts: 887

statistics
12. Four research participants take a test of manual dexterity (high scores mean better dexterity) and an anxiety test (high scores mean more anxiety). The scores are as follows. © …………….. (d)…………….. Person Dexterity ...
September 19, 2010

Geometry
On the line AD,if AC=24 and CD=32,how do you find the length of AD.
September 17, 2010

chemistry
What is the concentration (in molarity) of acetone in a solution prepared by mixing 11 mL of 4.0 M acetone, 16 mL of 0.02 M Br2, 11 mL of 1.0 M HCl, and 16 mL of water?
September 16, 2010

math
what is the appropriate graph for time and speed??
September 9, 2010

Geography
heeey :} do you have homeschool? or the classes in the computer? cause I have my classes by the computer, &this are my answers :D I'm on highland. pleaseeeee help me. :} if you got computer classes. xD
September 9, 2010

math
Reading readiness of preschoolers from an impoverished neighborhood (n = 20) was measured using a standardized test. Nationally, the mean on this test for preschoolers is 30.9, with s = 2.08. a.Children below the 30th percentile are in need of special assistance prior to ...
September 3, 2010

Medical Terminology
Why are some medical terminology is more common, while others are not as well known.
August 30, 2010

8th grade Algebra
Use the Distributive property to rewrite the expression and simplify. 6(y + 13)+ 21y
August 27, 2010

Medical Terminology
What are two example of how knowing medical terminology will help you provide good patient care?
August 25, 2010

biochemistry
A weak base has pKb = 9.25.. A. Calculate the % ionization at pH = 8.25 B. Calculate the % ionization at pH = 10.25 C. What is the pH when 50% of the weak base is ionized?. Is calculating ionization for pkb the same as pka? How do I go about doing it?
August 24, 2010

Ap european history
I will sure try :)
August 22, 2010

Ap european history
Most of the paper is written down I just didn't know how to organize it.... thank you
August 22, 2010

Ap european history
Writeacher that website is great! Thanks so much :) do you have any ideas on how to king of organize my paper?
August 22, 2010

Ap european history
That could work.... Thanks!
August 22, 2010

Ap european history
I have most of the paper i just need something to catch the readers attention at the begining and i can't think of anything.....
August 22, 2010

Ap european history
im writing a paper comparing and contrasting the government , art, and religion of ancient Greece, Rome, and the Middle ages and i need a catchy intro.... please help!!(: ( thanks Ms. Sue you really helped :)
August 22, 2010

AP european history
im writing a paper comparing and contrasting the government , art, and religion of ancient Greece, Rome, and the Middle ages, and i don't know how to make an outline....?
August 22, 2010

statistics
standard deviation on the 80 students individual average
August 22, 2010

statistics
2. The director of admissions at a large university advises students that the cost of textbooks will average more than $300 for a typical semester. A random sample of 80 students enrolled in the university shows a sample mean cost of $315.40 and a sample standard deviation of...
August 22, 2010

AP european history
I'm writing a paper comparing and contrasting the government , art, and religion of ancient Greece, Rome, and the Middle ages and I have no idea how to even get started. Please help!
August 21, 2010

9th grade
summarize the parts of a controlled expirament.
August 13, 2010

Economics
Explain how decision making, interaction and the workings of the economy influences the marginal benefits and marginal costs associated with the decision to purchase a house?
July 8, 2010

fisica 10mo
sobre una rueda de radio r=0.5 m esta enrollada una cuerda que se desenrolla ejerciendo una fuerza de tracción contante F 50 nt como muestra la figura 1.1 en 2 seg se han desarrollado 4 m. Se pide calcula: a. La aceleración tangencial de un punto de ...
July 3, 2010

algebra 2b
Determine in which direction the parabola opens y equals x2-7x plus 18?
May 24, 2010

Math
x^2y/5n^3/x^3y^5/15n Please help me solve!!!!!!!!!!!!!!!
May 17, 2010

Algebra 1
use the distributive property to find 6 times 54?
May 12, 2010

Physics
When an automobile moves over a wide, closed loop of wire embedded in a road surface, the magnetic field of the Earth within the loop altered? Is a pulse of current produced? Can you cite a practical application for this at a traffic intersection?
April 30, 2010

algebra
2(x)+1=5 2(x)+1=5 2(x)=5-1 x=5-1/2 x=4/2 x=2
April 24, 2010

reading
i dont understand this question nad i need an answer : make a list of words that would entice you to purchase a product. need answer:) thanx
April 22, 2010

Pre-Algebra B
Solve for y. 4-(y + 9)= 10 Please help!!!
April 21, 2010

business
making a good impression is vital, since we tend to form an opinion in about
April 20, 2010

Algebra
(5c-9)(5c+1)
April 18, 2010

help with algebra
(p-7)(p+8)
April 18, 2010

9th grade
(p^2-7)(p+8)
April 17, 2010

Physics
a) What is the tangential acceleration of a bug on the rim of a 6in. diameter disk if the disk moves from rest to an angular speed of 79 rev/min in 5 seconds? b) One second after the bug starts from rest, what is its tangential acceleration? What is its centripetal acceleration?
April 15, 2010

Science
What percentage of the sun is shine on the Earth in Maine during Spring
April 13, 2010

chemistry
balance this chemical equation: aqueous solutions of alumininum chloride and sodium carbonate are combined, producing alumininum carbonate
March 29, 2010

Chemistry
Write a balanced chemical equation for nitrogen gas reacts with oxygen gas to produce nitrogen dioxide gas
March 29, 2010

chemistry
Determine the ammoint of lead precipitate in grams that can be produced from 50 grams of ammonium chloride and excess lead II nitrate
March 29, 2010

Math
40% equals .4 and 4/10 which can be reduced to 2/5
March 29, 2010

Math
yes 1/7 is less then 1/6
March 29, 2010

Health
In the market for health insurance, what kind of asymmetric information causes adverse selection? Explain.
March 16, 2010

Healthcare
Give three examples in which the health provider has information that is unavailable to the health consumer.
March 16, 2010

Healthcare
Give three examples of asymmetric information in which the health consumer has information that is unavailable to the health provider.
March 16, 2010

ethics
Try the adc(.)org website
March 15, 2010

chemistry
Aqueous solution with a pH of 10.6 is diluted from 1 L to 1.5 L. What is the pH of the diluted solution?
March 14, 2010

chemistry
what is the pH of .28 M HNO3 (aq) at 25 degree celsius? (Kw = 1.0 x 10 ^-14)
March 14, 2010

7th Grade Math
Find the area of the circle described. Use pi= 22/7. Diameter= 1.4cm Please help!
March 13, 2010

chemistry 101
1008 cCal
March 9, 2010

physics
(4pi*10^-7)(4.8*380/.32) =____mT
March 9, 2010

Math
Use the rules of exponents to simplify each exponential expression. Your result cannot contain any negative exponents. Thank you for your help. (2m^2)^3 (4x^2y^4z^7)^0
March 6, 2010

ENGLISH
What do you think of when you hear the term academic honesty? How does knowing the difference among original ideas, common knowledge, and plagiarism help you stay honest when you write an academic paper? What are some of the consequences of not being academically honest?
March 3, 2010

Chemistry
The vapor pressure of CCl3F at 300 K is 856 torr. If 11.5 g of CCl3F is enclosed in a 1.0 L container, will any liquid be present? If so, what mass of liquid?
February 19, 2010

7th Grade Literacy
What are 3 IMPORTANT characteristics that a class president needs? Please answer!!
February 17, 2010

geometry
How do you draw 224 degree angle???
February 16, 2010

Science
Yes it does.
February 16, 2010

7th grade Literacy
What are the characteristics that make a good class president? Please answer!!!
February 15, 2010

math
,duigfwgfhkbviy wegfcbiwefgbvywrywr wegbewyfhyrhyrgfbrurugz uwegbcfbcflyirhlgfb ffhvbfgfgyl gftfdgdgf tedtre dfevsdf dsfgdtef edg vdggdtdsvh ugfgsdtfgewvdh gqwfdvgweyfgwefgdcgwvewveds ewdvgetdtedv fdtvasfdadedftwftwa wtdcs ...
February 9, 2010

Chemistry
Please help me !! Frequently in the distillation of methanol and water, the methanol distillate appears cloudy. To what might you attribute such an observation? Thanks.
February 8, 2010

Biology
The mitotic process provides a mechanism by which cells should be able to transfer their genomic contents from cell generation to cell generation without error or change. is this inviolate?
February 5, 2010

Biology
Where in the cell cycle can one find the phragmoplast? What is it's probable function?
February 5, 2010

Chemistry
Please help me Sketch a separation scheme showing how you would separate the following two component mixture: m-nitroaniline and hexanol. All the substances are soluble in ether. You can use any of the following solutions in your separation: aqueous hydrochloric acid, aqueous ...
February 4, 2010

Pre-Algebra B
5 | 4,5,5,6,6,6,7,8,8,9 6 | 0,0,1,1,2,2,2,3,4,4,4,5,6,7 7 | 0,1,1,1 How do you find the mean of this stem-and-leaf plot? Please answer!!
January 23, 2010

Mathematics in Economy
I'd like to add that the '2' after x and y means 'squared'.
January 18, 2010

Mathematics in Economy
A firm produces two different kinds A and B of a commodity. The daily cost of producing x units of A and y units of B is C(x,y) = 0.04x2 + 0.01xy + 0.01y2 +4x + 2y +500 Suppose that firm sells all its output at a price per unit of 15 for A and 9 for B. Find the daily ...
January 18, 2010

Geometry
If each side of a regular pentagon is x^2 + 17 and each side of a regular hexagon is x^2 + 2x, for what value or values of x will the perimeters of the figures be equal?
January 17, 2010

math
Quadrant 2
January 17, 2010

reading response to the personwho answered this
thank you!! Ireally apreciate it!!
January 14, 2010

reading
when a prarie fire approached,farmers set __. What would it be? Please help me!!
January 14, 2010

pre-algebra B
Milli tosses a coin and a six-sided die.The numbers on the die are 1 through 6. What is the probability that Milli will toss a tail and roll an odd number?
January 12, 2010

english
Is there an adjective to describe someone who performs critical thinking?
January 7, 2010

math
evaluate the expression for the given value of the variable p + 13 when p = 8
January 7, 2010

Pre-Algebra B
The selling price of a bicycle that had sold for $220 last year was increased by 15%. What is the new price? Please answer within 5-10 minutes.
December 26, 2009

math
a ski slope at a mountain has an angle of elevation of 25.2 degrees. the vertical height of the slope is 1808 feet. how long is the ski slope. show diagram
December 14, 2009

SCIENCE
HOW COULD MEASURING THE ORBIT OF A COMET HELP SCIENTISTS UNDERSTAND WHEN IT WILL NEXT BE VISIBLE FROM EARTH?
December 14, 2009

math
When a coin is tossed four times, sixteen equally likely outcomes are possible as shown below: HHHH HHHT HHTH HHTT HTHH HTHT HTTH HTTT THHH THHT THTH THTT TTHH TTHT TTTH TTTT Let X denote the total number of tails obtained in the four tosses. Find the probability distribution ...
December 5, 2009

Math
Determine whether the situation calls for a discrete or continuous random variable. 8) The cost of a randomly selected orange 9) The pH level in a shampoo 10) The braking time of a car 11) The number of field goals kicked in a football game
December 5, 2009

Physics
OK i have one attempt left, first i change the gauge pressue to newton/m^2? And since P= F/A solve for A after making f = 1440*g? Theni have to divide it by 4 for every tire? but im having trouble with conversions, and my final answer being in cm^2. SOOO confused
December 4, 2009

Physics
Hi I tried asking this question yesterday but still had some confusion.Since the area must be in cm^2. IP The weight of your 1440 kg car is supported equally by its four tires, each inflated to a gauge pressure of 30.0 lb/in^2 . What is the area of contact each tire makes with...
December 4, 2009

Physics
so if the answer wants cm^2 what would be the conversion?
December 3, 2009

Physics
Hey can someone help, im having trouble converting alot. IP The weight of your 1440 kg car is supported equally by its four tires, each inflated to a gauge pressure of 30.0 lb/in^2. What is the area of contact each tire makes with the road? What gauge pressure is required to ...
December 3, 2009

6th grade
what are the parts of a plant cell
December 2, 2009

Pre-Algebra B
Find the area of a circle whose radius is 12.7 cm
November 30, 2009

Computer Science
What is the halting problem? What does it have to do with self referential paradoxes? How do I make sense of this? "So suppose I have a black box which can decide the halting problem, that is I can give it a program P and the box tells me if P will ever stop. Using this I...
November 22, 2009

Physics
The applied force is W = Fdcos(theta).
November 18, 2009

physics
A 10g marble is spun so that it rolls at 150rpm around the inside of a steel tube. The tube has a 12cm diameter. Assume the rolling resistance is small enough for the marble to maintain 150rpm for several seconds. During this time, will the marble spin in a horizontal circle ...
November 15, 2009

physics
A 30g ball rolls around a 40cm diameter L-shaped track at 60rpm. What is the magnitude of the net force that the track exerts on the ball? rolling friction can be neglected.
November 15, 2009

Pre- Algebra
-6x-15>57
November 12, 2009

Math (calc)
yes that's what I thought. Thank you!
November 7, 2009

Math (calc)
Given the function: f(x)=x^3(x-2)^2 , on the interval [-1,3] find the domain and Asymptotes ...Isn't the domain (-1<x<3) ? and as for the asymptotes I thought you could only find them for rational functions and since that function is not rational I guess there aren&#...
November 7, 2009

Earth Science
Earth is always changing. What are two forces that cause the earth's surface to constantly change and what are their effects on the planet? Please answer within a few minutes.
November 4, 2009

Life Science
By living in areas where other organisms inhabit,humans change the environmental conditions for those organisms. Describe two ways humans impact the environment and what the effects are on the earth? Thesse can either be positive or negative. Please answer in a few minutes.
November 3, 2009

Math
This is the layout of the McDougal's backyard.The scale is 1 centimeters to 5 centimeters.The actual area of the pool is 375 square meters.The length of the pool is 25 meters. How do I find the area of the pool on the layout?
October 26, 2009

Math
45?
October 26, 2009

Math
This is the layout of the McDougal's backyard.The scale is 1 centimeter to 5 meters.The length of the deck on the layout is 7 centimeters.The width of the deck on the deck is 2 centimeters. What is the actual perimeter of the deck? Pls answer within the next minute and ...
October 26, 2009

Math
96 my multiplication was wrong.Sorry
October 26, 2009

Math
9.6 Thanks!
October 26, 2009

Math
Round your answer to the nearest whole number when necessary. In a basketball game,Ivring scored 80% of the teams points.If team as a whole scored 120 points,how many points did Ivring score? PLS answer within the next minute!!
October 26, 2009

physics
You are explaining to friends why astronauts feel weightless orbiting in the space shuttle, and they respond that they thought gravity was just a lot weaker up there. Convince them and yourself that it isn't so by calculating how much weaker gravity is at h = 330 km above ...
October 12, 2009

physics
You are explaining to friends why astronauts feel weightless orbiting in the space shuttle, and they respond that they thought gravity was just a lot weaker up there. Convince them and yourself that it isn't so by calculating how much weaker gravity is at h = 330 km above ...
October 12, 2009

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