Kristine

Most popular questions and responses by Kristine
1. Chemistry

How would the dx2−y2 orbital in the n=5 shell compare to the dx2−y2 orbital in the n=3 subshell? True or False 1.The contour of the orbital would extend further out along the x and y axes. 2. The value of ℓ would increase by 2. 3.The radial

2. English

Helllpppp!!! Mom struggling on "The Raven." Which of the following lines from "The Raven" best illustrates how the author's word choice impacts the mood and tone of the poem? A)"Once upon a midnight dreary, while I ponder, weak and weary." B) "Presently my

3. Math

If an elevation that is cruising at an altitude of 9 km wants to land at NAIA iys must begin its descent so that the angle of depression to the airport is 7 degrees. What is its illustration and the answer

4. physics

A bowling ball of mass 9 kg hits a wall going 11 m/s and rebounds at a speed of 8 m/s. What was the impulse applied to the bowling ball?

5. History

The Voting Rights act of 1965 made it legal for states to A)charge votes a pole tax before casting a vote B)require a person to take an English test before voting C)refuse to allow people to vote based on their race or gender D)fine anyone who interferes

6. Chem

How many moles of hydrogen atoms are present in 2.31x10^24 molecules of CH4?

7. chemistry

-You have a sample of unkonw metal that you have heated to 100 deg Celsius (oC) in boilin water. If, unknown to you, the metal sample cools somewhat before being added to your calorimeter, what will be the effect on the delta T for the water in your

8. Math

A cubical container measures 5 inches. On each edge. What does it cost to fill the container at \$2.88 per cubin in.? formula for this help?

9. Math

To raise money, the Boy Scouts. 130 kg of taffy for \$352.30. They saw the tabby and 350 g bags for \$2.98 each. How much profit did they make? Round to the nearest cent. help?

10. Algebra

A fraction reduces to 36. If its numerator is 6x^5, what is its denominator? I need steps, I am a mom who is out of her league

11. Physics

A boy climbs to the roof of his house and drops a 0.40 kg rubber bll from the 7.5-meter peak of the house. how fast will the ball be travelling when it hits the ground? a. 15 m/s b. 24 m/s c. 30 m/s d. 12 m/s

A biologist gives a new kind of food to a group of dogs and compares the weight gain of these dogs over time to a group of similar dogs that did not receive the new food. Identify the experimental variables and dependent variables

13. Chemistry (balancing eq)

I need to write a formula where PbNa reacts with water. 2PbNa + 2 H20 = 2 NaOh + H2 +Pb It says in the question that lead doesn't react with water, but Na does. Did I write the formula correctly?

14. Science

Who should share the mineral profits from the Pacific Ocean? From The Alantic Ocean?

15. chemistry

What is the [SO42-] in 0.45 M of H2SO4?

16. HUMAN RELATIONS, PART 1

The main reason self-confidence is important in human relations is because

18. Stats,

The following are the P/E ratios (price of stock divided by projected earnings per share) for 16 banks. 19,15,43,22,18,25,29,18,19,34,22,15,24,14 Find 25th and 90th percentiles for these ratios

19. Math

A certain marine engine has cylinders that are 3.55 inches in diameter and 3.74 inches deep. Find the total volume of 4 cylinders? hard question is there formula

20. algebra

Homeschooling mom needs help!! Daughter is too smart for me!!! (a^2-a-2)/(a^2-7a+10)-(a^2-2a-3)/(a^2+5a+4) A)-3a-11/(a-5)(a+4) B)13a-11/(a-5)(a+4) C) -3a+19/(a-5)(a+4) D)a^2-13a-11/(a-5)(a+4)

21. algebra

Help!! I am a home-school mom who did horrible in Honors Algebra2. My daughter has done her work and I am stumped on two questions. Simplify. 6/x-6+3x/x+5-1/(x-6)(x+5) A) 3x+5/x^2-x-30 B) 3x^2-12x+29/x^2-x-30 C) 3x^2+6x+5/x^2-x-30 D) 3x^2+5/x-6 Simplify

22. algebra

I have a couple questions I need help on. Which model is most appropriate for the data set? (-1,20),(0,10),(1,5),(2,20) And How many real-number solutions does the equation have? -8x^2-8x-2=0 Thanks for the help

23. english

I am trying to analyze the following article. I understand its meaning and the majority of the quesitons, but this one question is stumping me. The author uses Nows and Laters as nouns. How are they described? -by sense of action or by sense of infinite I

24. algebra

I need help.. If the train contained 42 gallons of ice cream at the tempurature of thrity two degrees and the train ran at 12 miles per hour and the train starts from Los Angeles an was making a stop at Phillipines. If the country of Phillipines demand the

25. Chemistry

A flask has 1.00 L of O2 (g) at STP (the amount of gas and volume are held constant, P=1 bar) and the second has 1.00 L of O2 at 100 C. What mass of O2 must release if we get the pressure to remain at 1.00 bar when it's heated to 100 C? Can someone please

26. POS110

What are the implications for judicial review on American democracy? Should any branch of government be able to review the actions and legislation of the others? Is this good for democracy or does it concentrate too much power in one branch?

27. English

Will it be possible to describe what is happening in this article? what is its purpose? is it to get readers to be critics or is it a deeper purpose If possible, please summarize Criticism is a study by which men grow important and formidable at a very

28. Axia College

need help on final grammar quiz in Com 215

29. chemistry

Why is the standard reduction potential E, for the standard hydrogen electrode 0.00V? Please help me explain the reason why to this problem

30. Math

Find the surface area of a right regular square pyramid with a side and a slant height of 9in. Help I know its tricky??

31. math

A right circular cylinder with d = 13.0 m, h = 4 m

32. Math

A 8-kilometer roadway under construction is being completed at space of one-length of its length per week. After 5 weeks, how many meters remain to be completed? Help? hard..

33. Math

In chemistry class, each of the 82 students needs 72 mL of base. How many one- liter bottles of base need to be available? Help?

34. Chemistry

The question asks me to find the absolute error using the true value=.1025M, and the mean=.1077 The answer I got was .0052...how would I convert this to 4 significant figures? (since the values have 4 significant figures)

35. CHEMISTRY

WHAT IS THE NAME OF THIS COMPOUND? 1. K2SO4? 2. Ca3(PO4)2 3. LiI 4. KMnO4 5. NaNO2 6. SnCl2 7. Fe(OH)3 8. NaClO 9. BaSO3 10. Pb(NO3)2 11. Hg2Cl2 12. (NH4)2CO3 13. MgO 14. CuBr 15. Fe2s3 pls do help me.. tnx:)

36. Calculus 1

Francis starts walking north at 4 ft/s from an intersection I. At the same time Aram starts walking south at a rate of 5 ft/s from a intersection 1500 ft due east of I. At what rate are they moving apart 15 minutes later? (Rounding to 1 decimal place is

37. math

July 2004 the population of the United States was 293,027,571. if more than half of these people live within 80 kilometers of an ocean, about how many people live within that distance

38. College Algebra

Do variables with exponents in algebraic terms need to be alphabetical?

39. Math 110

I got 56 points passing is 75 3 more exams to go . How much i need to get in every exam to pass?

40. chem

A sample of gas has an initial volume of 32.6L at a pressure of 1.2atm.If the sample is compressed to a volume of 13.4L , what will its pressure be? (Assume constant temperature.)

41. algebra

Please Helpppp!!! Mother having a hard time with radicals. A playground is shaped like a rectangle with a width 5 times its length (l). What is a simplified expression for the distance between opposite corners of the playground? Please can you post

42. Math

Three versions of a test are distributed evenly among 15 students. How many ways can the tests be distributed?

43. Math

The probability of rain falling on the roof of Adam’s dorm on any given day is 0.15. The probability of rain falling on the lecture hall is 0.20. On days when rain strikes the dorm roof, it has a 0.90 probability of also striking the lecture hall roof.

44. algebra

what should be the equation of the line in standard form that passes through (4,6) and is parallel to the line where equation is y=2/3x +5?

45. algebra

Which equation is the equation of a line that passes through (-10,3) and is perpendicular to y=5x-7?

46. Math

2x-1/3 +3 or=6

47. science

Is 2-methyl-2-choloropropane polar or nonpolar?

48. English

In what situations would someone be reserved when introducing a person?

49. Math

the ratio of men to women who try to run them over is 18 to 26. how many out of 88 people who try to run them over are men?

50. statistics

What level of measurment would i use for ages of the members of congress

51. Electronics

HElp me find Vo using Thevenin's Theorem... heres the diagram: flickr . com / photos / huck4477/ 4193362834

52. english

"God thought and thought" ..what is the sound device used?

53. science

What is the structure and function of a orangtaun?

54. Math

Can someone explain relating metric units. going form liters to milliliter and kilograms to grams?

1. Pre Algebra

posted on May 6, 2016
2. SKILLS FOR THE EFFECTIVE TEACHER AIDE

salty af ppl

posted on May 6, 2016
3. math

How is he/she being a jerk? All they did was point out that they can't give you answers.

posted on May 6, 2016
4. Mia

Why did the author MOST LIKELY write this passage?

posted on January 14, 2016
5. Math

its 4000 or 40 its between those two

posted on December 3, 2015
6. Math

1/10 ?

posted on December 3, 2015
7. Math

one-tenth 10%?

posted on December 3, 2015
8. Math

4000

posted on December 3, 2015
9. Math

A 8-kilometer roadway under construction is being completed at a pace of one-tenth of its length per week. After 5 weeks, how many meters remain to be completed?

posted on December 3, 2015
10. Math

It gives a 40 4000 400 and 4 I don't know how come up with that for my answer choice I would need help

posted on December 3, 2015
11. Math

It say 4000? its 4 digit number Damon

posted on December 3, 2015
12. math

whats the surface area? i used 3.14 but it gave me off number...

posted on December 3, 2015
13. Math

To raise money, the Boy Scouts bought 130 kg of taffy for \$352.30. They sold the taffy in 350 g bags for \$2.98 each. How much profit did they make? Round to the nearest cent.

posted on November 28, 2015
14. Math

I'm sorry mis sue im sord of blind. I wear glasses let me clarify.

posted on November 28, 2015
15. Math

To raise money, the Boy Scouts bought 130 kg of taffy for \$352.30. They saw the tabby and 350 g bags for \$2.98 each. How much profit did they make? Round to the nearest cent. help

posted on November 28, 2015
16. Math

what is the height 3.74? or i times it by 2?

posted on November 27, 2015
17. Math

Mrs. Jackson bought 23 dozen pencils. She gave 15 pencils to her students. How many pencils does she have left?

posted on October 30, 2015
18. English

Thank you

posted on April 3, 2015
19. English

I think it's A

posted on April 3, 2015
20. algebra

Thank you Steve! She had the right answer, I was just checking my own thinking. I appreciate the help from all of you, it makes my life a little bit easier. I just wanted to let you know that.

posted on February 6, 2015
21. algebra

Yes sorry. I don't really know where to put most of the brackets

posted on January 29, 2015
22. algebra

Thanks for your help and yes I forgot the brackets sorry. It's supposed to be (1/8+(x+4/16))/(x+4/x^2)+(4/x)

posted on January 29, 2015
23. algebra

Sorry its not a g in the second problem, it is an 8

posted on January 29, 2015
24. Chemistry (balancing eq)

They called it hydrone in the question and said it was an alloy of Na and Pb

posted on October 1, 2013
25. algebra

Thanks Reiny, I appreciate the steps. :)

posted on March 26, 2013
26. algebra

Sorry it is 1,5

posted on March 22, 2013
27. algebra

Nope no typo on the third it is 20. Thanks Bob

posted on March 22, 2013

Dilate by four means that it is enlarged by a factor of 4. 4 x (2,2) would give you (8,8)

posted on January 9, 2013
29. math

Just multiply the top across and the bottom across. You should get 6/14.

posted on January 9, 2013
30. Algebra

x=4

posted on January 9, 2013
31. HUMAN RELATIONS, PART 1

The main reason self-confidence is important in human relations is because A. self-confidence makes you seem more interesting to other people. B. self-confidence makes you appear important in the eyes of other people. C. forming relationships involves

posted on September 26, 2012
32. HUMAN RELATIONS, PART 1

A. self-confidence makes you seem more interesting to other people. B. self-confidence makes you appear important in the eyes of other people. C. forming relationships involves risk. D. the alternative to self-confidence is no confidence.

posted on September 26, 2012
33. ENGLISH

newspaper reporter

posted on September 13, 2012
34. Chem

How many moles of hydrogen atoms are present in 2.41x10^24 molecules of CH4?

posted on July 16, 2012
35. math

The frist day I did not know but now I know

posted on September 20, 2011
36. Global Studies

It is easiest to include it in the paragraph. For example: As seen in Document 1...OR As seen in the photograph b of document 3....OR As Stated in document 5....This is a very easy way to reference the document and easy for the teacher to grade the paper

posted on March 11, 2010
37. english

I know my question is long, but I really have thought through this for the past hour and I can't decide between the two choices for the 2 questions

posted on March 24, 2009