# Questions Asked onAugust 27, 2011

1. ## Calculus

A man 5.50 ft tall approaches a street light 18.0 ft above the ground at a rate of 4.0 ft/s. at what rate is the end of the man's shadow moving when he is 9.0 ft from the base of the light?

2. ## science

what is black hole form?

3. ## math

list the integers between -5 and 2, inclusive.

4. ## Math

Find how much money there will be in the account after the given number of years. Principle \$8500 Rate 4% Coumpounded quarterly Time 4 yeats A=8500(1+.04/4)raised to 40th power A=8500(1.01)raised to 40th power I am stuck here, how do you raise to the 40th

5. ## scientist

Which is the best reason for the smaller number of drone bees compared to the number of worker bees in a beehive?

6. ## algebra

solve by elimination method 3x+4y=4 6x+8y=8

7. ## instructional materials their preparation and use

which term describes a picture in which one side has more than the other side? (a)formal balance (b)informal balance (c)design simplicity (d)shape please help

8. ## Differential Equations

Solve the seperable differential equation for U. du/dt = e^(5u+7t) - Using the following initial condition U(0) = 12

9. ## statistics

Given that the population mean is 4.85, calculate the z-scores of 3.3,3.84.4 and 6.2.

10. ## Physics

a transport truck pulls on a trailer with a force of 600 N {E}. the trailer pulls on the transport truck with a force: a) zero b) of less than 600 N[W] if the truck is slowing down. c) equal to 600 N [W] only if the truck is moving at constant velocity d)

11. ## Psychology

What are psychoanalytical models?

12. ## English

Coud you please check these few sentences? Thank you. 1) I have just finished (with) make-up exams and I won't start school till 12 September. 2) Have you found out a suitable payment method for our purchases on the net? 3) My nephew would be interested in

13. ## science

1. What weight of aluminum may be obtain from 1 kg of aluminum oxide? 2. how many liters of hydrogen would be form by the reaction of 25g of hydrochloric acid and sufficient quantity of zinc? 3. 0.82l of an unknown gas at 35 degree Celsius and 80 cm-Hg

14. ## teachers aide curriculum comtent

when are children first developmentally ready to begin learning science? (a)kindergarten (my answer) (b)fifth grade (c)junior high (d)high school according to recent science curriculum guidelines what percent of class time should students spend in hands on

15. ## teachers aide curriculum comtent

literary themes understood by all people regardless of their background or the time they live in are (a)universal (b)skill-based(my answer) (c)motivational (d)literature -based what does the curriculum web show? (a)how one theme unites different subjects

16. ## English

Write one paragraph of eight to twelve sentences informing your fellow students of your reasons for wanting to earn your diploma in the program in which you're enrolled, particularly in terms of your career goals. For example, why did you decide to take

17. ## in-organic chemistry

provide balanced equations that represent the thermal decomposition of sodium nitrate and calcium nitrate; compare and comment on the products of each reaction.

18. ## geometry

if 3x + 8 =20 - 3x, what is x

19. ## maths

if 3x + 8 =20 - 3x, what is x

20. ## penn foster

a computer's cpu and hard drive are found in the a. power bar b. main peripheral device c. keyboard d.system unit

21. ## busniess communication

Today, many employers expect interviewees to do more than just answer standard questions, including all of the following EXCEPT: A. defer to the hiring company to take control of the interview process. B. provide samples of the work they would likely do in

22. ## macroeconomics

slides of your preferred city to relocate with your reasoning for this choice • 1–2 slides: Explain at least 2 reasons why housing prices vary from city to city • 3–5 slides: Explain 3–4 ways in which supply and demand affect the prices of the

23. ## english

can you please improve these two sentences. im tryingtosay like the newly rich try to act as if their high class but they don't get accepted even if they have money. the majordiffference between the ric and the high class, is manner. here is my sentence:

24. ## Mat 116

Solve for m p=4m+4v the solution is m=

Which of the following should you NOT do in the close of a job interview? A.Give a final explanation for a weakness that you have. B.Show enthusiasm for the job C.Summarize your accomplishments and strengths D.Smile and relax A,and B of course wouldnt be

26. ## Algebra

|3x+8|=20; -4 Basically that 4 is asking whether that is a possible solution to the problem. I tried to solve it and the two solutions I got were -28/3 and 4. So I got that -4 is not a solution but if someone could check for me and make sure I didn't mess

27. ## Chemistry

Calculate the change in internal energy at 1 atm & 25°C. H2 (g) + 1/2 O2 (g) ---> H2O (l) delta(H)= -286 KJ/mol Okay so i started with the equation: delta(E) = delta(H) - RTdelta(n) P= 1 atm T= 298 K but i don't exactly know what to do from here..please

28. ## science

is ther salt in the water picked up by hurricanes?

30. ## Math

For the question below can you please help explain why this survey question might lead to an erroneous conclusion thank you. SURVEY QUESTION: “Do you think that it is not important to give extra tutoring to students who are not failing?

31. ## statistics

mean is 6.36, calculate the z-scores for Cases 1, 9, 14, and 20 on the variable LIKE.

32. ## Statistics

population mean is 6.36, calculate the z scores of 2,6,5,and 8.

33. ## math

in 1991 the life expectancy of males in a certain country was 73.7 years in 1997 it was 76.9 years let E represent the life expectancy in year T and let T represent the number of years since 1991 the Linear function E (T) that fits the data is

34. ## geometry

you are planning on purchasing a new car and have your eye on a specific model. you know that new car prices projected to increase at a rate of 5%per year for the next few years find the cost of the car 4 years from now if the curent price is 27,000. Write

35. ## geometry

If a triangle has a base of 16 and a height of 18, what’s its area?

36. ## algebra

The diameter of an electric cable is normally distributed, with a mean of 0.8 inch and a standard deviation of 0.01 inch. What is the probability that the diameter will exceed 0.82 inch? (Give the answer to four decimal places.)

37. ## Calculus

find tha value of f(x)=x3 where f(x+h)-f(x)/h so far I got 3x2+3hx+h2/h and got stuck from here.

38. ## Chemistry

Okay so I'm doing doing significant figures in chem. And I was just wondering for problems like this: .000456 dm + .00524 m Do I have to actually convert stuff? And on the ones with exponents what do I do ? Ex: 3845.2 m cubed/ 25.2354 m

39. ## Pre Algebra

How do I convert .31 1/5 to a fraction?

40. ## Math

Write it's equation in slope-intercept form. y=-3/2x-7

41. ## Health

Describe the new risk management processes at a nursing home in relation to state and federal mandates? I am thinking fire, tornado, hurricane disaster preparedness processes. Am I right? Which site can I get information?

42. ## algebra

Solve the quadratic equation 2x to the 2nd power -3x-2=0using the quadratic formula. Read the information in the assignment list to learn more about how to type math symbols in MS Word, such as the square root.

43. ## algebra

P (C) if P(C)= P(C) this P(C)has i line above it

44. ## algebra

P(C)ifP(C)=2/13 the second one has a line over it

45. ## stats

women age 20-29 is 36ml staandard deviation 7ml. What is probability greater than 45ml and between 30 and 62 ml

46. ## soc

All sages provide both wisdom and inspiration. Since Dasha’s speech contained wisdom and greatly inspired her audience, Dasha is a sage. Which one of the following points out the flaw in the argument above?

47. ## english

can you please help me make these sentences better. i was just saying that p diddy and jay gatsby form the the book th great gastby are related because they both lose their father at a young age and are exposed to the scoity around them. P Diddy relates to

48. ## Math

Find the ldc for the fraction -11/245, 13/175

49. ## AP Biology

In the exponential model of population growth, does the growth rate remain constant, decine, or rise and then decline? I have researched this and I believe it to be rise then decline, but I am not really sure.

51. ## Bio

What is it called when b=d and r=0? A. iteroarity B. semelparity C. zero population growth D. cohort E. a survivorship curve I think it is E but I would greatly appreciate a teacher's input!

52. ## ap bio

The number of trophic levels that can be maintained in an ecosystem is limited by: a. a gain in population size b. the loss of potential energy c. the number of individuals in the ecosystem i have chosen a but it is for a grade and i would love some help??

53. ## Math

A number has the digit 4 in the ones place and the digit 7 in the tens place. Which of these is another way to write this number? A. 40 plus 7 B. 70 plus 4 C. 4 plus 7

54. ## science

One observation that regards the magnetic stipes on the ocean floor that would disprove the theory of platetectonics would be?

55. ## algebra

Copper weighing 4480 kilograms has a volume of 0.5 cubic meters. What is the density of copper? I started with 4480kg/0.5m and got 8960. Is this correct and what is the unit at the end?

56. ## English

In Into Thin Air by Jon Krakauer, what are some examples of allusions to Shakespeare, the Bible, fairy tales, or Greek myths?

57. ## Chemistry

I need help on how to calculate the following please: Calculate the risk assesment of the amount of the ozone in the air between the hours of 4pm and 6pm where I live(Corpus Christi,Texas)

58. ## basic statistics for the behavioral sciences

there are 80 students enrolled in statistics. (a)you and 11 other earned the same score. what percent of the class received your score? (b)forty percent of the class received a grade of C. how many students received a C? (c) only 7.5% of the class received

59. ## algebra

An airplane traveled from Boston to Las Vegas making a stop in St. Louis. The plane traveled 2410 miles altogether, which is 230% of the distance from Boston to St. Louis. Find the distance from Boston to St. Louis to the nearest mile. The answer is 1048

60. ## algebra

The breaking strength (in pounds) of a certain new synthetic is normally distributed, with a mean of 166 and a variance of 4. The material is considered defective if the breaking strength is less than 160 pounds. What is the probability that a single,

61. ## Physics

44.34miles^2 = _______Km^2 ?

62. ## Geometry

A company produces cardboard boxes with the top, bottom and sides measuring 5 feet. It costs the company 4 cents a square foot to make each box. The square footage is determined by finding the area of all six sides of the box. Find the cost to make 100

63. ## maths

the cost price of 2 articles is same as the selling price of 3 articles . what is the loss or gain%? a)50% loss b)331/3%gain c)25%loss d)331/3%loss e) none of this

64. ## maths

a man sold an article at 10% loss , if he had taken 45Rs more , the gain would have been 8%. what is its cost price a.150 b.180 c.200 d.250 e.none

65. ## maths

a man sold an article at a profit of 25%. if he had bought it at 10% less and sold for 10RS more, the gain would have been 40%. find its cost price a.800 c.960 c.1000 d.1080 e.none

66. ## Calculus

A parcel delivery service will deliver a package only if the length plus girth (distance around) does not exceed 84 in. What are the radius, length and volume of the largest cylindrical package that may be sent using this service?

67. ## education support

what communication strategies would you use to support the child who distress and crying by himself> provide an example for each strategy? I need help pls

68. ## science

A man incurs a deep laceration on his thigh, he goes to the hospital and gets the wound cleaned, stitched and dressed. He was discharged soon after. Four days after the man finds the wound extremely painful and had a smelly discharge. QUESTION: by which

69. ## algebra/math

Suppose that people's heights (in centimeters) are normally distributed, with a mean of 165 and a standard deviation of 6. We find the heights of 40 people. (a) How many would you expect to be between 158 and 172 cm tall?

70. ## Social studies

Economy of America

71. ## chemistry

an ideal gas in a closed inflexible container has a pressure of 6 atms and a temperature of 27 degree c. What will be the new pressure of gas of temperature is decreased to -73 degree c. 1) 2atm 2) 3atm 3) 4atm 4) 8atm 5) 9atm

72. ## chemistry

a radioactive material is undergoing nuclear decay. After 40 minutes, 25% of the sample remains. What is the half-life of the sample

73. ## Science

These are the instructions on a homework worksheet: "Measure the following lines using a ruler and write the measurements in the boxes provided." "Measuring Lines in cm - exact" Can someone please tell me what they mean by "Measuring Lines in cm - exact"?

74. ## teachers aide curriculum comtent

which os the oldest art? (a)DRAMA/THEATER (B)PHOTOGRAPHY (C)DANCE(MY ANSWER) (D)MUSIC THE NEW ENGLISH AND LANGUAGE ARTS CURRICULUM IS BASED ON WHICH ONE OF THE FOLLOWING? (A)READING SKILLS (B)SPELLING SKILLS (C)LITERATURE(MY ANSWER) (D)WRITING SKILLS A

75. ## teachers aide curriculum comtent

a sense of what it was like to live in a certain time and place is called? (a)historical literacy (b)historical empathy (my answer) (c)ethnic literacy (d)geographic literacy

76. ## health care management

Networks and alliances are marriages of money and convenience. Systems are marriages of commitment and values. Develop arguments and counterargements for each statement.

77. ## Physics

How do you solve this using the component method? 56n, northwest + 38n, 75 degrees east of north

78. ## social

describe black hole of calcutta

79. ## English

Could you please check these few sentences? Thank you. 1) I clapped him for good luck. As the curtain went down, everybody clapped and cheered. (Do these two verbs have the same meaning?) 2) While she was pouring milk into the cup, she dripped some over