Sunday
August 31, 2014

Posts by elizabeth


Total # Posts: 816

8th Grade Writing
Does this Introduction sound fine for an Argument essay? Forests probide many supplies that are essential in our lives. They give us oxygen, wood fiber for paper, herbs for medicine, and timber for building structures. Forest materials are so necessary that humans can't ...
October 22, 2010

Writing
Does my thesis statement sound ok? Deforestation should no longer go on, because endangered species are close to extinction, less oxygen is being produced, and global warming is turning into a bigger issue because of it.
October 21, 2010

3rd grade
yes because 7*2=14 and any even number can be divide them by 2 groups and another math sentence I have is 14/2=7
October 20, 2010

chem
This is how far i got 2330g *4.184J/g degree C *(100 degree C-unk) =537,000J so 9748.72J * unk =537,000J so 537000/9748.72=55.08 so 100-55.08= Initial temp of 44.92 degrees celsius :)
October 20, 2010

CHEM
is breaking an egg a chemical or physical change? is cooking an egg a chemical or physical change?
October 17, 2010

Composition
Reforestation or Deforestation?
October 15, 2010

Composition
Which topic do you think would be easier to research for an argument essay? Deforestation or Recycling?
October 15, 2010

world civics
provide 2 examples of the devastation diease caused
October 13, 2010

physics
Is the equation above used to determine the normal force exerted by the road on the car? When I used the equation I got (72)(9.8) - (72)(729)/88 = 1.2 (2 sig figs) This answer was incorrect. What am I doing wrong. And.... what equation can I use to figure out the 2nd part?
October 11, 2010

physics
A sports car of mass 950 kg (including the driver) crosses the rounded top of a hill (r = 88 m) at 27 m/s. Determine the normal force exerted by the road on the car. Determine the normal force exerted by the car on the 72-kg driver. Express your answer using two significant ...
October 11, 2010

college Physics
A car is traveling at 7.0 m/s when the driver applies the brakes. the car move 1.5m before it comes toa complete stop. if the car had been moving at 14m/s how far would it have continued to move after the brakes were applied? assume the braking force is constant. what is the ...
October 10, 2010

Geographyand socity
1. Meterology 2. Temperatures 3. Atmosphere 4. Hydrospere 5. The average yearly weather patterns in a given area. (I think these are correct.)
October 5, 2010

Geometry
for every letter n f(n) is added by the next number. 0,1 1,2 3,3 4,6, 5,10 6,15 7,21 8,28 9,34 10,43 11,53 12,64 13,76 14,89 15,103 16,118 17,134 18,151 19,169 20,188= answer
October 3, 2010

MAT 116
29/13u-18/13u 2/13v+16/13v 11/13u+18/13v= answer
October 3, 2010

math
it would look more of a rectangle but the sides should be thus: 6,6,7,7
October 3, 2010

Physics
i have done all my homework these 5 problems i could not understand.. my answers are due at midnight tonight im a senior in this physics course and math is generally my strong point but when it comes to things like this i try and i didnt get it so i posted the problem on here ...
October 3, 2010

Physics
A 160 N block rest on a table attached to a string and pulley. The suspended mass over the side of the table has a weight of 53 N. PART 1: What is the magnitude of the minimum force of static friction required to hold both blocks at rest? Answer in units of N. PART 2: What ...
October 3, 2010

Physics
omg thx so much!!!!
October 3, 2010

Physics
A car is traveling at 54.2 km/h on a flat highway. The acceleration of gravity is 9.81 m/s^2. PART 1: If the coefficient of kinetic friction between the road and the tires on a rainy day is 0.131, what is the minimum distance needed for the car to stop? Answer in unitsof m. ...
October 3, 2010

Physics
yay thank you!!
October 3, 2010

Physics
The board sandwiched between two other boards weighs 92.6 N. If the coefficient of friction between the boards is 0.587, what must be the magnitude of the horizontal forces acting on both sides of the center board to keep it from slipping downward? Answer in units of N.
October 3, 2010

Physics
The coefficient of static friction between the 3.78 kg crate and the 38° incline is 0.306. What minimum force must be applied to the crate perpendicular to the incline to prevent the crate from sliding down the incline? The acceleration of gravity is 9.8 m/s^2. Answer in ...
October 3, 2010

Physics
wat is the horizontal force??
October 3, 2010

Physics
sry but im a blonde so not even half of that just made sense! :(
October 3, 2010

Physics
A box of books wighing 339 N is shoved across the floor by a force of 506 N exerted downward at an angle of 33° below the horzontal. The acceleration of gravity is 9.81m/s^2. If µk between the box and the floor is 0.59, how long does it take to move the box 5.27 m, ...
October 3, 2010

physics
Final Velocity= VI + a(t) Distance= 1/2 (VI + VF)(t) you must first convert km/h to m/s and then you should be able to find your answers
October 3, 2010

chemistry
The mass ratio of Kr to F in a particular compound is 2.206:1. How many grams of fluorine are present if the compound contains 713.3 grams of Kr?
October 1, 2010

chemistry
The mass ratio of Kr to F in a particular compound is 2.206:1. How many grams of fluorine are present if the compound contains 713.3 grams of Kr?
October 1, 2010

8th grade Math
Put the following numbers in order from least to greatest. 0.0875, 7/8, 0.875%
September 27, 2010

Algebra 1
could you tell me where I can get the "why do girls like guys who wear shirts with eight buttons?" worksheet to print free online?
September 21, 2010

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
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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

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