# Questions Asked onJuly 14, 2008

1. ## math

at one high school the mean time for running the 100-yard dash is 15.2 seconds with a standard deviation of 0.9 seconds. The times are very close approximated by a normal curve. Find the percent of times that are: between 15.2 and 16.1 seconds

2. ## Calculus

A population of 500 E. coli bacteria doubles every 15 minutes. Use this information to find an expression for this population growth. Using this expression, find what the population would be in 87 minutes. Use an exponential model. so we're supposed to use

3. ## Algebra

A roof truss is in the shape of a triangle with height of x feet and a base of 2x + 1 feet. Write a polynomial A (x) that represents the area of the triangle. Find A (5).

4. ## math

Determine whether the ordered pair is a solution of the inequality (5, 12); 6y-7x.7 Is the ordered pair a solution of the inequality? no or yes solve the system of equations by graphing. Then classify the system as consistent or inconsistent and the

5. ## Accounting

Does anyone have any idea what the Acronym ADE / CLR stands for? Thanks for your help.

6. ## organic chemistry

Why is it easier to remove excess acetic acid from isopentyl acetate than excess isopentyl alcohol? Sodium Bicarbonate is added but the question doesn't say anything about it.

7. ## Econ

What is the effect of the following shocks on the short-run level of national output? a A fall in interest rates? b An appreciation of the Home currency? c A tax cut? d A tax cut in Foreign? e A drop in consumer confidence (consumer want to spend less)? f

8. ## math

use set-builder notation to describe the complete solution 5[3m-(m+6)]>-6(m-5)

9. ## Chemistry

Given the following chemical equation: 3 Cu + 8 HNO3 = 3 Cu(NO3)2 + NO + 4 H2O. How many moles of HNO3 are required to react with 6 moles of Cu?

10. ## MATH

Team X and Team Y have a tug of war. From their starting positions Team X pulls Team Y forward 3 meters, and Team X is then pulled forward 5 meters. Team Y then pulls Team X forward 2 meters. If the first team to be pulled forward 10 meters loses, how many

11. ## inventors

the resisting force exerted on anairplane is called?

12. ## english essay

a friend in need is a friend indeed

14. ## physics

1. It has been suggested that rotating cylinders about 11 mi long and 5.2 mi in diameter be placed in space and used as colonies. What angular speed must such a cylinder have so that the centripetal acceleration at its surface equals the free-fall

15. ## Math

a cellular phone company offers a contract for which the cost C, in dollars, of t minutes of telephoning is given by C=0.25(t-600) + 43.95, whe it is assumed that t¡Ý 600 minutes. What time will keep costs between \$82.95 and \$110.95? For the cost to be

16. ## statistics

If %1 of a popualtion are allergic to peanuts, would it be unusual for a random sample of n=1500 to result in fewer than 10 with peanut allergies? I have figured phat p=10/1500 (-0.007-0.01)/.003=-1 Z-score=-1=.1587 so Iinterpreted this to be 16 samples

17. ## Prayer Request

Touch and agree with me that I will pass the ged test on Wednesday July 16th. I believe the 2250 points that is needed that my score is higher than that. Please pray for me..

18. ## english

what the noun in the sentence an extreme climate may affect your communication effectiveness.

19. ## history

what is sometimes reffed to as a river of grass?

Find the decimal equivalent of the mixed number 8 7/8

21. ## english

what is the noun in the sentence poor gramer may result in miscommunication.

22. ## math

Find the least common multiple of 9, 10, and 30.

24. ## english

hi could anyone help me i need pun words for sucker and lollipop

25. ## Calculus 2

Find the length of the spiral r=a(Theta) on [0,Pi]

26. ## health

If the Office of Communications and Public Liaison (OCPL)is not utilized for health communication, how will it reduce health communication?

27. ## Math

Solve by eliminnation methods 2x-4y=5 2x-4y=6 solve the system by elimination method 5x+2y= -13 7x-3y=17 Solve x+64 Determine whether the given numbers are solutions of the inequality 8,-10,-18,-3 y-8>2y-3 Solve by the substitutioj method 2m+n=9 m-5n=10

28. ## Significant figures in chemistry

can someone please explain significant figures to me?I don't understand how to round them to the right number.

29. ## algebra

9b^2-(-4b)^2 is this 9b^2+4b^2 or 9b^2+16b^2?

30. ## more math

I have to write the following as a common fraction or mixed number. 5.679

31. ## health

which model (biomedical or biopsychosocial)is more effective in helping an ill person return to good health?

32. ## experimenting

Edgar y Ramona comer una pizza pequena y yo escribir de todas mis experiencias en mis tarjetas.

33. ## chemistry

GIVEN THE FOLLOWING CHEMICAL EQUATION: 3 +Cu +8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O. 1).HOW MANY MOLES OF Cu(NO3)2 ARE PRODUCED WHEN 3 MOLES OF Cu REACT? 2).HOW MANY MOLES OF Cu MUST REACT TO PRODUCE 4 MOLES OF NO? 3). If 4 moles of NO ARE PRODUCED HOW MANY

34. ## trig/pre -calc

hello, i don't quite understand how to do this type of problem: 1. find the exact value of sin (pi/3). even more confusing is 2. find the exact value of csc^-1 (1). i would appreciate any kind of help! thank you!

35. ## problems posting

it says I cant b/c you cant post websites but I don't have anything even referring a website

36. ## math problem

last question because I do not understand or know how to do this problem which it says to add 1 and choose which is correct (A)161.27 (B)67.346 (C)160.27 (D)85.949

37. ## AE

Write a 200-300 word response to Chapter 6 Journal Entry # 1 (page 229) in Introduction to the foundations of American education.

38. ## Healhcare

What populations or groups were most adversely affected by deinstitutionalization?

39. ## math

Phil needs to practice free throws 7/10 of an hour each day. If he has already practiced 3/10 of an hour today, how much longer does he need to practice?

40. ## environmental studies

Give a specific example to show how you might apply activity based costing to port authority operations.

41. ## more math

how do I add these mixed numbers 4 2/7 + 1 5/7

42. ## AED

A child’s perception of self varies by age and emotional development. As a professional, it is important that you recognize a child’s self image as it relates to his or her development. How do strategies that promote a healthier self-image differ as a

43. ## education

n any given multicultural classroom what are the concerns in terms of social justice for all students? how would you address these concerns? describe a strategy you might use to ensure all students are treated equally and fairly?

44. ## english

When mapping out a poem's rhyme scheme and the poem exceeds the amount of letters in the latin alphabet what symbols does one use to continue mapping the rhyme scheme?

45. ## history

The Christian Church helped preserve what traditions in the German kingdoms.

46. ## english

I am having a problem figuring this out. Can anyone tell me what kind of conclusion the writer is useing? and the impact. The "R" Word How do you avoid saying "retarded"? By John Cook Posted Thursday, July 5, 2001, at 11:30 PM ET We've been hearing an

47. ## progra

how would i be able to write a function module for average from this pseudo-code and then use it to write an algorithm. Sum integer Num integer Count integer Count:= 0 Sum:=0 Dowhile count

48. ## Algebra

3x-2=0 Solving for x, need step by step instruction?

49. ## liteture

the little mermaid was written by?

50. ## Calc.

For the function ƒ(x) = x^3 - 8x + 3, calculate where a = 5 and h = 2. Simplify before substitution (the simplifying is where I am having problems...not sure if my answer is right). Thanks. Using the limits equation.

51. ## Geography

How might higher levels of development of a country be related to temperate locations??

52. ## Calc.

verify that lim h>0 (e^x+h -e^h)/h=e^x and explain how this illustrates that ƒ′(x) = ln e • ƒ(x) = ƒ(x)... The notes for this section suck big time, so I really don't know where to begin with this. Thanks!

53. ## algebra

I am really stuck, can someone please help me with this? Multiply and simplify by factoring. Assume that all expressions under radcals represent nonnegative numbers. (type in radical form) ∛(y^13 ) ∛(16y^14 )

54. ## math

translate to an algebra statement. seven times the difference of six and twice a number yields the same result as the same number decreased by one

55. ## World Civ

Who was the ruler of the German kingdom of the Franks?

56. ## math

How can I solve 3*x^2+y^2=300?

57. ## Env Science

Why is a cornfield more vulnerable to harm from insects and disease than a grassland?

58. ## math

write the following as a common fraction or mixed number in it's lowest term 6.38

59. ## science

need questions pages 686-736?

60. ## present value

The present value P that will amount to A dollars in n years with interest compounded annually at annual interest rate r, is given by P = A (1 + r) -^n. Find the present value that will amount to \$50,000 in 20 years at 8% compounded annually.

61. ## Earth Science

1. Using included fragments to estimate the age of a rock unit. Pieces of granite were found in conglomerate (a) that gave a radiometric date of 320 Ma. Also, fragments of the rhyolite (b) and granite (c) were found in conglomerate (a). Given this

62. ## Marketing

Describe the three principal managerial roles identified by Henry Mintzberg.

Describe briefly what is meant by activity based costing.

64. ## Algebra - polynomial

If a manufacturer charges p dollars each for rugby shirts, then he expects to sell 2000 – 100p shirts per week, What polynomial represents the total revenue expected for a week? How many shirts will be sold if the manufacturer charges \$200 each for the

65. ## math

11/15+7/10-2/5 how do I do this problem?

66. ## Algebra

The length of a rectangular lot is 50 feet more than the width. If the perimeter is 500 feet, then what are the length and width?

67. ## health-care

From the perspective of a caregiver, would you prefer traditional insurance or one of the managed care options (HMO,PPO) and why? I need direct answers please, I'm not a health-care professional or caregiver, so I don't know which to choose.

68. ## Math

Soybean meal is 18% protein; cornmeal is 9% protein. how many pounds of each should be mixed together in order to get 360lb mixture that is 11% protein? How many pounds of the cornmeal should be in the mixture? How many pounds of the soybeans meal should