Wednesday

March 4, 2015

March 4, 2015

Total # Posts: 906

**math**

x/3 = x+10/6
*November 2, 2010*

**chemistry**

ht is heat
*November 2, 2010*

**chemistry**

Is there a reaction? 2 NaNO3 + ht →
*November 2, 2010*

**chem**

Can I2 oxidize metallic aluminum? Show the balanced chemical equation and the Eo values.
*October 31, 2010*

**chem**

Can I2 oxidize metallic aluminum? Show the balanced chemical equation and the Eo values.
*October 31, 2010*

**math**

A tangram is a geometric puzzle made from seven pieces that form a square. Trace the pieces, cut them out, and answer the following questions. The puzzle can also be seen on wikipedia web site. a. If the area of the entire square equals 1 unit, label each piece with its ...
*October 28, 2010*

**math**

what are the possible advantages and disadvantages of using least common denominator when adding and subtracting fractions?
*October 27, 2010*

**math-ms sue please**

Ms Sue thank you for the help with my other word problem can you check this one for me? Write a word problem and find the solution to the equation. 1/2-2/3 THe answer is -1/6 and the word problem I created is: Janet put 6 suckers on a table. 3 suckers were watermelon and 3 ...
*October 27, 2010*

**math**

for the following equations, write a word problem draw a picture, and find the solution to the equation. 5/12 - 1/3=? I know the answer is 1/12 but am stumped on how to write the word problem and draw a picture
*October 27, 2010*

**math**

find each quotient. 3/4 divided by -12
*October 26, 2010*

**math**

Use common denominators to compare the pairs of rational numbers. In each of the following identify which one is greater and explain how you know. 5/7, 5/8
*October 26, 2010*

**physics**

two student walk in the same direction along a straight path, at a constant speed one at 0.90m/s and the other at 1.90m/s assuming that they start at the same point and the same time, how much sooner does the faster student arrive at a destination 780m away?
*October 25, 2010*

**arithmetic**

5x + 15x =
*October 21, 2010*

**math**

Give a counterexample to show that each of the following generalizations about the set of integers {-3,-2,-1,0,1,2,3} is false. a) commutative property for subtraction b)associative property for subtraction
*October 20, 2010*

**US History**

45. all 46. all 47. C 48 C 49. A 50.D
*October 20, 2010*

**math**

Give a counterexample to show that each of the following generalizations about the set of integers {-3,-2,-1,0,1,2,3} is false. a) closure property for division b) distributive property for division over addition.
*October 20, 2010*

**math**

Give a counterexample to show that the following generalization about the set of integers is false. Closure property for division.
*October 19, 2010*

**math**

Show how to find the quotient 18 divided by (-6) by using the following: a) the idea of division as finding a missing factor. b) the procedures for integer division.
*October 19, 2010*

**math**

Does absolute value n+m= absolute value n + absolute value m for all integers n and m? If so give examples if not give a counterexample.
*October 18, 2010*

**art**

Looking on the national gallery of art website (or it can be seen by typing the name of the painting in any search box) review The Emperor Napoleon in His Study at the Tuileries by Jacques Louis David.Discuss the painting techniques and formal elements. I am confused on this. ...
*October 17, 2010*

**math**

You can use the prime factorization of a number, written as the product of powers of prime numbers, to find the number of factors the number has. First, express the number as a product of powers of prime numbers; for example, 36=2^2 3^2 (that is 2 squared and 3 squared)Then ...
*October 15, 2010*

**math**

Decide if the statement is true or false, tell why. 24 is a factor of 8
*October 14, 2010*

**math**

The product of two numbers is 180. The LCM of the two numbers is 60. What is the GCF of the two numbers? How do you know?
*October 12, 2010*

**math**

fill in the missing digits in as many ways as possible so the number will be divisible by 6. 3_2_ I am confused on this.
*October 11, 2010*

**math**

The following conjectures were made by students. Are they true or false? Give a counterexample if possible. Only half of the nonzero even numbers up to 100 are divisible by 4. My answer is that it is true. A number is divisible by 8 if it is divisible by 4 and divisible by 2. ...
*October 10, 2010*

**math**

The statement is If a number is divisible by 2 and by 3, then it is divisible by 6 and vice versa. Is this statement true? Give an example or counterexample. I believe it is true but am stuck on the counterexample/example.
*October 8, 2010*

**MATH**

evaluate the numerical expression. you may use a calculator, being sure to follow the order of operations. Round the answer to the nearest whole number. 129+ 17*35/14 the 129 is separate from the fraction
*October 8, 2010*

**math**

Statement: If a number is divisible by 2 and by 3, then it is divisible by 6 and vice versa. Is this statement true? Give an example or counter example.
*October 7, 2010*

**physics**

Final speed = Vi + a(t) Displacement = Vi(t) + 1/2a(t)^2
*October 3, 2010*

**math**

Name the property that justifies each step. [(2 * 100) + (3 * 10)]+ [(1 * 100) + (5 * 10)] = (2 * 100) + [(3 * 10)+ (1 * 100)] + (5 * 10)__________ property = (2 * 100) + [(1 * 100)+ (3 * 10)] + (5 * 10)___________ property = [(2 * 100) + (1 * 100)]+ [(3 * 10) + (5 * 10)]...
*October 3, 2010*

**algebra**

a. The sales representative informs you that there are 64 houses for sale with two floor plans still available. Use x to represent floor plan one and y to represent floor plan two. Write an equation that illustrates the situation.
*September 25, 2010*

**math-Ms. Sue**

ms Sue I was not sure how to do a response to you but my prior question was the following and you had answered to take the total number of students and make this the denominator and the history majors the numerator which I did and makes this 300/1225 so then to get the ratio ...
*September 24, 2010*

**math**

Ms. Sue- I have the total number of students is 1225 so then the answer would be 300/1225
*September 24, 2010*

**math**

the bar and graph shows the number of students by major in the college of arts and sciences. What is the ratio of history majors to the total number of students in the college? Math-200 history-300 english-400 science-150 other- 175
*September 24, 2010*

**math**

find the representation of the number 256 in base six
*September 24, 2010*

**math**

identify n(S) for the given set: S={5,10,15,20,25,30,...}
*September 24, 2010*

**10th grade**

--> BD bisects <adc, m<1=5x-3, and m<2=x+25. find the value of X
*September 23, 2010*

**math**

The number of dogs and chickens on a farm add up to 14. The number of legs between them is 36. How many dogs and how many chickens are on the farm if there are at least twice as many chickens as dogs?
*September 23, 2010*

**physics**

A horizontal force of 100 N is required to push a piece of furniture across a floor at a constant velocity. what is the net force acting on the furniture? How much is the friction force that acts on the sliding furniture? How much friction acts on the furniture when it is at ...
*September 21, 2010*

**English**

In the book, Pride and Prejudice,does Elizabeth marry Mr. Darcy in the end?
*September 6, 2010*

**math**

The 20 leaves of a 40-page book are numbered 1 through 40. The first and last leaves are ripped out. What is the sum of the remaining page numbers?
*September 1, 2010*

**Humanities**

What country is not a nation? I have already googled it so dont give me a link to all teh things google has to say. It doesnt help
*August 29, 2010*

**Humanities**

What country is not a nation?
*August 29, 2010*

**Sociology**

Failure to a[ated to culture
*August 23, 2010*

**US gov**

How has the tea party movement affected incumbent Republicans and Democrats in the primary races?
*August 20, 2010*

**Math**

Please I need help! The Acme Candy Company claims that 60% of the jawbreakers it produces weigh more than .4 ounces. Suppose that 800 jawbreakers are selected at random from the production lines. Would it be unusual for this sample of 800 to contain 418 jawbreakers that weigh ...
*July 29, 2010*

**science**

define the following words science?
*June 18, 2010*

**what can i compare middle school to?**

a fishtank
*May 16, 2010*

**geometry**

A 25-foot ladder is placed against a vertical wall of a building. The base of the ladder is 7 feet from the base of the wall. If the top of the ladder slips 4 feet, how many feet will the base of the ladder slide?
*May 14, 2010*

**chemistry**

Are you looking for INTERmolecular force or INTRAmolecular force? Metal and nonmetal would be an ionic bond.
*April 23, 2010*

**chemistry**

Melting pt = energy required to break the chemical bond. I believe this would go by molecular weight. They are all ionic bonds. Find the mw of each and choose the largest.
*April 23, 2010*

**biology**

how do some cells become brain cells and others become skin cells when the DNA in all of the cells is exactly the same
*April 1, 2010*

**Business**

[pgpiuooiu[goi';kbn'[o[[[[[[[[[[[[[[[[[[[[[iguiyf9u
*March 22, 2010*

**10th grade Math**

puipoupoip
*March 20, 2010*

**math**

how could thinking about 90 tens help you find 1901-297?
*March 19, 2010*

**social studies**

Why did the us need a protective tariff
*March 16, 2010*

**Spanish**

are these the correct verb tense and conjugations? i have to use either preterite or imperfect. 1. they were looking - buscaban 2. they talked - hablaban 3. they thought - piensaron 4. they liked - gustaron 5. they needed - necesitaron 6. they asked - pidieron 7. they were ...
*February 17, 2010*

**Psychology**

You and Taye are discussing the causes of obesity. As an informed person, you have to disagree with your friend when he asserts that a major factor in obesity is A. Gender B. physiology C. environment D. genetic inheritance
*January 29, 2010*

**chemistry**

A solution containing 26.05 mg of an unknown protein per 23.5 mL solution was found to have an osmotic pressure of 3.75 torr at 44 C. What is the molar mass of the protein?
*January 25, 2010*

**chemistry**

A solution containing 26.05 mg of an unknown protein per 23.5 mL solution was found to have an osmotic pressure of 3.75 torr at 44 C.
*January 25, 2010*

**chemistry**

Water softeners often replace calcium ions in hard water with sodium ions. Since sodium compounds are soluble, the presence of sodium ions in water does not cause the white, scaly residues caused by calcium ions. However, calcium is more beneficial to human health than sodium ...
*January 25, 2010*

**General Chemistry**

An electron microscope employs a beam of electrons to obtain an image of an object. What energy must be imparted to each electron of the beam to obtain a wavelength of 15.2 pm? Obtain the energy in electron volts (eV) (1 eV = 1.602 10-19 J).
*January 18, 2010*

**Child Psychology**

Observing Johnny's parents interacting with him, you detect that they're extremely strict. Therefore, you can guess that their parenting style is probably A. Authoritative B. Permissive C. authoritarian D. productive-assertive Which is correct?
*January 7, 2010*

**Child Psychology**

B is the correct answer
*January 7, 2010*

**Child Psychology**

I was thinking of D
*January 7, 2010*

**Child Psychology**

You're watching 18 month olds at play. What you're most likely to observe is A. boys and girls interacting in complex roles. B. children imitating each other without actually interacting. C. children largely ''doing their own thing'' in their own way. D...
*January 7, 2010*

**Child Psychology**

You're watching 18 month olds at play. What you're most likely to observe is A. boys and girls interacting in complex roles. B. children imitating each other without actually interacting. C. children largely ''doing their own thing'' in their own way. D...
*January 7, 2010*

**algebra**

what does this mean in algebra? upsidedown v
*January 6, 2010*

**Texas History**

San Antonio de los Tejas
*December 8, 2009*

**Psychology**

Adaptation
*November 17, 2009*

**Psychology**

Baby Louisa is able to interact with her environment in ways that allows her to adjust her behavior accordingly. For Piaget, Louisa is manifesting
*November 17, 2009*

**environmental science**

1. Checkpoint: Population Size • View the Ch. 7 Alien Invasion VLR located under the Week Four Materials section of your student Web page. • Post a 200- to 300-word response to the following: o Explain the four factors that produce changes in population size. o Which...
*October 24, 2009*

**Social Studies**

What is the connection between globalization and imperialism ?
*October 22, 2009*

**physics**

9cos32 give speed in the horizontal direction, which is what it is at the top; traveling only in the horizontal direction.
*October 21, 2009*

**Math**

-28= - 14n i am really confused on how to do this... Please help!
*September 29, 2009*

**Spanish**

este no es el español tonto comprobar su ortografía .. intentar ~M~
*September 28, 2009*

**Spanish**

"few miles of English and Heirba cuardradas luxurious and ... This is a feast of entertainment, that's why they come and participate in the fun" de nada
*September 28, 2009*

**bio**

i don't know
*September 21, 2009*

**bio**

A corn plant producing ears of corn is an example of: a.growth b.reproduction c.development d.all of these
*September 21, 2009*

**physics**

To call the algebra on this question convuluted is a profound understatement. Nevertheless, I have solved it. The range equals 20 meters and the initial velocity of the car along the x-axis is 0.98Vi (or the Vicos10). Since the combined time the car travels up and down on the ...
*September 14, 2009*

**physics**

I don't know how the author of the Giancoli text reached 20 m/s as the answer to the second part of this questions. Nevertheless, I do know that the solution Bobpursley suggests here doesn't work. I find it interesting that there isn't one straightforward solution ...
*September 14, 2009*

**World History**

What were the similarities and differences between the five regions of british colonial america and what factors worked to create a shared america identity by the mid 18th century?
*August 27, 2009*

**Cultural Diversity**

is it difficult to accurately measure prejudice? Why or why not?
*August 27, 2009*

**maths**

can you answer this question: prove that a number 10^(3n+1), where n is a positive integer, cannot be represented as the sum of two cubes of positive integers. with out using this method at all ................................. We will examine the sum of cubes of two numbers, ...
*July 25, 2009*

**math**

can you answer this question in a different and more logical way than this method below: we will examine the sum of cubes of two numbers, A aand B. Without losing generality, we will further assume that A=2nX and B=2n+kY where X is not divisible by 2 n is a positive integer ...
*July 23, 2009*

**math**

so wwould the anser be -1/sin(theta) because it would be cos^2(theta)-1/ sin^2(theta) and then simnplify
*July 22, 2009*

**math**

: Hi helper, thanks for the help, this website is very good and it would not of been possible without your assistance. Here is a question i would like you to solve for me this time ....................................... let ABC be a triangle. Two straight lines which are ...
*July 19, 2009*

**math**

Find the number of solutions to the equation 2x + 5y = 2005, where x and y are positive integers
*July 19, 2009*

**math**

Prove that a number 10^(3n+1) , where n is a positive integer, cannot be represented as the sum of two cubes of positive integers. thanx
*July 19, 2009*

**math**

Let 5a + 12b and 12a + 5b be the side lengths of a right-angled triangle and 13a + kb be the hypotenuse, where a, b and k are positive integers. Find the smallest possible value of k and the smallest values of a and b for that k
*July 19, 2009*

**math**

Let 5a + 12b and 12a + 5b be the side lengths of a right-angled triangle and 13a + kb be the hypotenuse, where a, b and k are positive integers. Find the smallest possible value of k and the smallest values of a and b for that k
*July 19, 2009*

**math**

all positive integers, one after another, are written in a spiral way: 7,8,9,10 6,1,2,11 5,4,3,12 ...,15,14,13 where does the number 2009 appear with respect to 1/ FOR EXAMPLE, 12 APPEARS one unit down and two units to the right of 1
*July 18, 2009*

**math**

John read in the financial section of the newspaper that the price of a share of stock in the Blanko Corporation rose by $2. Which integer best represents the change in value?
*June 8, 2009*

**writing**

Assignment: 2 paragraphs on Integrity based on the Emperor's Club 3 facts with 2 supporting details of each fact an opening and a closing...Does this satisfy the requirements? And, please do a quick proofreading. Thank you. To make your children capable of honesty is the ...
*May 28, 2009*

**physics**

how many significant figures go into "results to be reported"? When writing # +/- #, is the second # always written to only 1 significant figure?
*May 3, 2009*

**Literature**

In the Odyssey, do you know where the following passage comes from or could you elaborate on it...I have found answers to most of my questions, but this is one of a few which I cannot find: We have now arrived to an island with much food, many animals and a strange big foot ...
*April 22, 2009*

**Literature**

In the book the Odyssey, how does odysseus feel on the day his son is born? I don't see this in the cliff notes and can't find it in the book.
*April 22, 2009*

**literature**

My daughter is doing a diary project on homer's odyssey. I would like to ask her some questions to encourage her to write more but I have not read the book.I am hoping to get some summary points to guide me in directing her to elaborate on her points below. In a very small...
*April 22, 2009*

**trignometry**

Solve sin(2è) < cos(è). Give an exact answer.
*April 19, 2009*

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