# Questions Asked onAugust 8, 2007

1. ## check math

Here are my answers. Can you check if I got the right answers? Thank you! (x-4)/(x^2-3x-4) = x+1 (x^3-8)/(x-2)=x^2+2x+4 (5-x)/(x^2-25)=-x-5 (x^2-4x-32)/(x^2-16)=(x-8)/(x-4) first one should be 1/(x+1) second is good third: -1/(x+5) 4th is ok Have you not

Imagine you have been asked to make FOUR presentations on "Effective Presentation Skills" for FOUR very different audiences. What would be your presentation objective for each group? Write a 1-sentence objective statement (also known as "purpose

3. ## chem

What is the importance of an H-bond in water? It raises the boiling point of water; otherwise, following the sequence of H2Te, H2Se, H2S and H2O, the H2O would be a gas.

4. ## Science

A drop of ink is in a tube.A stopper is used.What will happen to the drop of ink in the tube when you place your hands around the flask for 5 minutes? Is water in the tube? And what's the stopper used for? If so, heat is transferred from the hand to the

5. ## math

I need to solve as an equation. A coffee merchant has coffee beans that sell for \$9 per pound and \$12 per pound. The two types are to be mixed to create 100 lb of a mixture that will sell for \$11.25 per pound. How much of each type of been should be used

6. ## math

Solve systems by substitution 5x - 2y = -5 y - 5x = 3 Substitute 5x + 3 for y in the first equation, and solve it for x. Once you have x, use either of the two equations you wrote to solve for y.

7. ## math

Not sure about this... Need to solve by substitution 8x - 4y = 16 y = 2x -4 Substitute 2x -4 for y in the first equation and solve the resulting equation for x. 8x - 4(2x-4) = 16 16 = 16 The two equations are not independent. One can be derived fron the

8. ## Algebra

The teacher wants us to do the following problem by using substitution. I don't think I am doing it right. 4x - 12y =5 -x + 3y = -1 Those two equations are for parallel lines that never intersect. There is no solution. If you substitute 3y +1 for x in the

9. ## WRITING

How Do you vaule reading in you life? I suppose to get someone else opinion. What is the view on whether writing skills are influenced by reading habits? I love to read. Of course, I get to pick and choose what I read, and mostly I read the news, blogs,

10. ## Chemistry

Which forms the more alkaline solution and why? Al2O3; B2O3; CO2 or SiO2 Al2O3 and SiO2 are not water-soluble. CO2 forms the weak acid H2CO3, in water. What does that leave you with?

11. ## FIN

Brady Corporation is a leader in identification, safety, and material solutions. In 1998, the firm was hit hard by faltering foreign markets, so it embarked upon an aggressive campaign to redesign its cost structure. The firm believes this will help it to

12. ## Algebra II

Solve x^2+2x=-2 by graphing and indicate the roots.Please and thank you We can't draw graphs for you here. The roots are x = -2.73 and -0.73 I suggest you make your own graph of y = x^2 + 2x and see where it crosses the horizontal line y = -2. Choose x

13. ## Fin

Brady Corporation is a leader in identification, safety, and material solutions. In 1998, the firm was hit hard by faltering foreign markets, so it embarked upon an aggressive campaign to redesign its cost structure. The firm believes this will help it to

14. ## Managerial Economics

The MorTex Company assembles garments entirely by hand even though a textile machine exists which can assemble garments faster than a human can. Workers cost \$50 per day, and each additional laborer can produce 200 more units per day (the same for each

15. ## Biology

What are the levels of organization in a living system? LEVEL 1 - Cells Are the basic unit of structure and function in living things. May serve a specific function within the organism Examples- blood cells, nerve cells, bone cells, etc. LEVEL 2 - Tissues

16. ## Accounting

I need to do a report and compare ratios for a target company against industry averages. I have calculated the averages for my company, but where do I get information on industry averages? For example, what is the industry average receivable turnover ratio

17. ## English

In Of Mice and Men, Curly is said to have one been welterweight boxer/ a semiprofessional boxer. I reread the book, but I can't find that info. anywhere. Can you please point it out to me? Here are several sites that refer to this:

18. ## math

Multiply. Use the lattice method. 277*32= I hope your teacher does not teach this method as a viable method for multiplication. A week ago Yahoo presented this method as a novelty and as a "math trick". This website explains and shows diagrams for

19. ## English

When I am handwriting the names of books and plays, do I underline them or put them in quotes? These are the works that I am writing: Tortilla Flat, The Grapes of Wrath, The Pearl. In handwriting, book titles will need to be underlined. Since all of these

20. ## English

In A Raisin in the Sun, is the main conflict poverty? http://www.sparknotes.com/lit/raisin/summary.html Look for the word "clash" or "disagree" or something like that. =)

21. ## English

Could someone please check my answers? 1. Who is right about Willy Harris? Mama 2. Does Beneatha like her nickname Alaiyo? yes 3. Does it fit her? yes But why does it fit her? What does Alaiyo mean? It is said in the play... When you read that, you will

22. ## legal and ethical issues

Which element do you think plays the greatest role in influencing employee behavior? Explicit policy or implicit policy. First find out what explicit and implicit mean. Then think about a couple of job situations. Pretend you are the employer, then the

23. ## Economics 205

Hello, I need to choose an industry to study for my economics class. I'll have to write about wheter the industry is elastic or inelastic. Any suggestions? Do you consider politics as an industry? Or education? THose would both be good ones to check out.

24. ## math

how do you convert the fraction 2/3 to a decimal Multiply numerator and denominator by 3: 2/3 = 6/9 1/9 = 1/(10-1) = 1/10 * 1/(1-1/10) = 1/10 [1 + 1/10 + 1/100 + 1/1000 + ...]= 0.1111111111111 Therefore 6/9 = 0.6666666666666666.... Another way to convert

25. ## check math

Here are my answers. Can you check if I got the right answers? Thank you! 1/(x+h) - 1/x= -h/(x^2+xh) (2/x^2)/(10/x^5)= (x^3)/5 [1/(3+x) - 1/3]/x= -1/(9+3x) 2x/(x^2-6x+9) - 1/(x+1)- 8/(x^2-2x-3)= (x^2+15)/(x^3-5x^2+3x+9) first 3 look ok In the last one I

26. ## check math

Here are my answers. Can you check if I got the right answers? Thank you! Solve for z: 4x+10yx=0 z=-2x/5y y^2+3yz-8z-4x=0 z=(-y^2+4x)/(3y-8) there was no z in your first equation, from you answer I can tell it should have been 4x + 10yz = 0 If so, the

27. ## check math

Here are my answers. Can you check if I got the right answers? Thank you! (x+y)^3= x^3+3x^2y+3xy^2+y^3 [x^(3/2)][x+x^(5/2)-x^2] = x^(5/2)+x^4-x^(3/2) the last term in the second question should be - x^(7/2), (you were adding 5/2 and 2 in the exponents)

28. ## Science(chem)

In lab...last one ...where I had to go and heat these brass cartileges (I really don't think that's spelled correctly) and the oven was off. So my substitute lab tech for the day went and ...created a oven...yep you hear me right created a oven of

29. ## WRITING

have your writing habits been affected by the quality and quantity of what you may read? Yes. My writing habits have definitely been influenced by what I read. The major way we learn to write is by reading. We unconsciously emulate authors of published

30. ## check math

Here are my answers. Can you check if I got the right answers? Thank you! solve for x, where x is a real number. x^2+3x-4=14 x=6,3 (x^4-1)/(x^3)=0 x=1 (x-5)^2=9 x=2,8 2x^2+5x=8 x= [-5+/-sqrt(89)]/4 for first one x=-6 or x=3, factors are (x+6)(x-3)

31. ## Algebra II

Write y=x^2+4x-1 in vertex form. y=x^2+4x-1 y=(x^2+4x+8)-1-8 y=(x+2)^2-9 This isnt one of my answer choices,what am I doing wrong? in second line: y=(x^2+4x +4 )-1 +4 (take one half of the middle coefficient, then square it) y=(x^2+4x + 4 )-1 - 4

32. ## check math

Here are my answers. Can you check if I got the right answers? Thank you! (x+3)(x-3)>0 answer: x3 x^2-2x-15

33. ## construct a triangle

How can I construct a triangle ABC with vertices A(-4,2), B(4,3), C(1,-3). what are the angles in order from least measure to greatest measure Since you will have to use trigonometry to find the angles, surely you must know how to plot points. take the

34. ## cramers rule

Solve the following linear system for x using Cramer’s rule. Show work. x + 2y – 3z = -22 2x – 6y + 8z = 74 -x – 2y + 4z = 29 Cramer’s rule uses determinants to find the solution Set up a 3by3 matrix using the coefficients of the x,y and z, and

35. ## gaussian elimination

4. Solve the following linear system using Gaussian elimination. Show work. 3x + y – z = -5 -4x + y = 6 6x – 2y + 3z = 2 how about looking at http://www.mathwords.com/g/gaussian_elimination.htm

36. ## English

Their Eyes Were Wtaching God By:Nora Zeal Hurston. "to be a pear tree - any tree in bloom!" (11). The image suggests a wholeness - as bees pollinate blossoms paralleling human sexual intercourse. What does that mean? What is another way to say that? Bees

37. ## Algebra II

Solve x^2>_2x+24 x^2-2x-24>=0 (x-6)(x+4)>=0 So as long as x>6, it works. But what about two negatives? Try x=-5..checks...check me on that. So it looks as if -inf