# Questions Asked onDecember 30, 2012

1. ## Calculus

Solve: The posistion of a particle moving along a coordinate line is s=sqrt(5+4t), with s in meters and t in seconds. Find the particle's velocity at t=1 sec. A) 2/3 m/sec B) 4/3 m/sec C) -1/3 m/sec D) 1/6 m/sec Thank you!

2. ## math

the width of a rectangular garden is 2 m less than its length. Determine the dimensions of the garden if the area is 36 m2. thanks!

3. ## Math

How to reduce a picture using a scale factor of 1/4 and how to do it

4. ## Physics

A mass is suspended from a vertical spring and the system is allowed to come to rest. When the mass is now pulled down a distance of 76mm and released, the time taken for 25 oscillations is 23s. Find the displacement of the mass from its rest position 0.6s

5. ## finance

mr. brown is in the 10-percent federal income tax bracket and wants to invest \$8000 in interest-earning assests. Mr. Black is in the 35-percent bracket and wants to invest \$15,000 . The current rate on a typical high-quality tax-exempt municipal bond is 5

6. ## american government

Which of the following is characteristic of a capitalist economic system? a. free enterprise b.self-reliance c.private property d.individualism e.all of the answers are correct

7. ## economics

1. Chipo has the following utility function of 2 goods Pies (X) and fanta (Y): U= log X + log Y. (a) show that the consumer maximizes utility subject to the budget constraint. (b) derive the demand functions of good X and good Y. 2. You are given the

8. ## calculus

Form a polynomial f(x) with real coeffiecients having the given degree and zeros. degree 4, zeros 3, multiplicity 2; 6i f(x)=a() Can someone show how to do this. I have tried and do not have a clue. I am lost!!! So, please show work.

9. ## Physics

A meter stick is supported at its center. If a load of 150 dynes is placed at the 20 cm mark, where should a 100 dynes load be placed in order that the stick remains in the horizontal position?

10. ## chemistry help

sulfuric acid is a strong acid and dissociates in water as shown in reaction H2SO4(aq)=2H^+(aq)+SO4^2-(aq) what is the hydrogen ion concentration, in mol dm^-3,when 1.50g of sulfuric acid is dissolved in water to give 0.500dm^3 of solution ?show all of

11. ## Math

find the simple interest on a loan £9000 over 6 years at 11% p.a.

12. ## Math..

A car goes at 40 miles per hour and returns at the same route at 30 miles per hour. What is the total distance if the time is 1 hour? My answer 17 and 3/7

13. ## Help Math

Events A and B are mutually exclusive. The probability of event A occurring is0.15; the probability of event B occurring is 0.45; what is the probability that A and B will occur? A.0.30 B.0.60 C.1 D.0.40 I think C am I correct?

14. ## Math

PLEASE HELP I DON'T KNOW WHAT TO DO D': I don't understand what to do or how to even start.... In the town of Niceville, a local lottery is held once a year for the residents. Lottery tickets cost 50 cents apiece. Each lottery ticket contains four numbers,

15. ## math

if -1/7x - 6 = 34, find the value of -2x + 3 a) -280 b) -77 c) 395 d) 563 Can you pls explain it for me too

16. ## AP Chemistry

How can you find the average temperature of a refrigerator or any fridge by using colligative properties?? I am doing a lab in school and i'm not sure how to approach or start this. I know that you have to have two solutions where on one solution, you put

17. ## economics

1. Chipo has the following utility function of 2 goods Pies (X) and fanta (Y): U= log X + log Y. (a) show that the consumer maximizes utility subject to the budget constraint. (b) derive the demand functions of good X and good Y. 2. You are given the

18. ## economics

1. Chipo has the following utility function of 2 goods Pies (X) and fanta (Y): U= log X + log Y. (a) show that the consumer maximizes utility subject to the budget constraint. (b) derive the demand functions of good X and good Y. 2. You are given the

19. ## micro economics

2q-20q=8000/q

I have two questions if someone can PLEASE help. 1.solve the equation in the real number system. x^4+11x^3+24x^2-23x+35=0 **Please show work** 2.Use the remainder theorem to find the remainder. When f(x)is divided by x-3. Then use the factor theorem to

find the complete zeros of the polynomial function. Write f in factored form. f(x)=3x^4-10x^3-12x^2+122x-39 **Use the complex zeros to write f in factored form.** f(x)= Please show work

22. ## calculus

information is given about a polynomial f(x) whose coeffiecients are real numbers. Find the remaining zeros of f. degree4, zeros i, 9+i **I am just not getting these coefficients. I know that there has to be an easier way to learn this. Please help!!

23. ## calculus

use the intermediate value theoremto show that the polynomial function has a zero in the given interval f(x)=x^5-x^4+8x^3-5x^2-14x5;[1.4;1.5] find the value of f (1.4)= find the value of f (1.5)= show work, thanks

24. ## dynamics

the 1500 kg automobile is travelling up the 20 degree inclined at a speed of 6 m/s , if the driver wishes to stop his car in a distance of 5m , determine the frictional force at the pavement which must be supplied by the rear wheels.

25. ## Physics

A 500 g metal ball is whirled in a vertical circle. What is the centripetal force which draws it toward the center of the circle as it passes through the highest point?

26. ## Physics

A child with a mass of 83 kg is on top of a water slide that is 12 m. long and inclined 30o with the horizontal. How fast is the child going at the bottom of the slide is? (a.) the slide is friction less and the (b.) coefficient of friction is 0.30?

27. ## math

How many 3/8 ounce servings are in 3 1/5 ounces?

28. ## pathophysiology

why is the patient with DIC often complicated by bleeding? please answer ASAP i have exam on tuesday!

29. ## History

What is liberalism?

30. ## health

In your opinion, what two features have had the greatest impact on improving health status and quality of life throughout history? Explain why you selected these features and provide examples to support your opinion.

31. ## heelth: HCA 415

Look over the definitions of public health in this week’s reading and describe its main features. In your opinion, what two features have had the greatest impact on improving health status and quality of life throughout history? Explain why you selected

32. ## HCA415

In your opinion, what two features have had the greatest impact on improving health status and quality of life throughout history? Explain why you selected these features and provide examples to support your opinion. Please give me examples. Thanks.

33. ## english langage arts

3. How does the setting of the story change as the story develops? (1 point)It starts as a source of conflict but is accepted in the end. It starts as important to the characters but is not in the end. It starts empty but becomes a happy place in the end.

34. ## basic economics

The U.S. capitalist system relies on a theoretical model, the circular flow model, with three basic elements interacting together to ensure that our needs and wants are provided. The three sectors are (a)consumer, (b)business, and (c)government. The

35. ## physics

what is looming?

36. ## math

The question is a principal is choosing between field trips. The final cost is \$600. The second costs \$240 plus \$40 per student. For what number of students is the first trip less expensive. I got the 1st trip would be less expensive with more than 9

37. ## physics

water can be boil without heating?

38. ## Math

A boy throws a stone into a lake from a 74 foot high wall. The chart gives the horizontal distance, x (in feet), the rock has traveled from Jesse and the height, y (in feet) of the rock above the lake. Distance, x: (14) (24) (41) (55) Height, y: (86.43)

39. ## english language arts

3. Identify the simple sentence. (1 point) A. In 1970, my mother graduated from Point Pleasant Boro High School. B. The gymnast swung around the bar, and the coach stepped on the mat. C. The tornado bypassed the town, but the townspeople remained in their

40. ## History

Confucian teachings centered on harmony and order resulting from a. the end of ancestor worship b. harsh rule of chinese emperors c. the removal of Mongol influence from Chinese culture d. harmonious relationships from individuals e. meditation and prayer

41. ## math

45 miles = ? feet _______ __________ 1 hour 1 second what is the feet ?

42. ## math

Samantha opened a savings account and deposited some money into the account. The account pays an annual simple interest rate of 5%. After 9 years, the interest earned on the account was \$1,800. How much money did Samantha deposit in the account?

43. ## math

d = ?, r=23ft/sec, t=12 sec

44. ## art

Compare and contrast the modern day art of David smith "cubi series" with that of stonehedge in regards to the elements of art.

45. ## physics

An arrow is shot at an angle 35 ◦ with the horizontal. It has a velocity of 47 m/s. How high will the arrow go? The acceleration of gravity is 9.8 m/s 2 . Answer in units of m

46. ## Chemistry

A volume of 10cm^3 of 2M H2SO4 is placed in a volumetric flas of 250cm^3 and filled to the mark with distilled water. What is the molar conc. of the H2So4 in the flask? After I found how many moles there are in 10cm^3, which is 0.02 mol, what is my next

47. ## Math

A car salesman receives \$575 a week in addition to 3% commission on all cars whose sticker price is above \$4,500. One week he sold a Ford for \$8,785 and a Buik for \$5,832. How much did he earn that week? A. \$749.96 B. \$838.55 C. \$1013.51 D. \$4,385.10

48. ## Chemistry

To 40cm^3 of 1mol AgNO3 is added 20cm^3 of 0.500 AlCl3. What is the molar concentration of the resulting AgNO3 solution. The reaction, if needed, is 3AgNO3 + AlCl3 ==> 3AgCl + Al(NO3)3 I worked out the number of moles present in AgNO3 which is 0.04 mol,

49. ## English - Personal Statement

How do you write a good personal statement for acceptance? (Any topic). I drafted, but I did not know what to write about, so I just wrote about my sister :/ My sister and I are not alike in any way, we do not even share the same blood. Growing up though,

50. ## Pre-Calculus

A jet leaves an airport on a bearing of N 77* W and travels for 243 mi. It then turns and continues on a bearing of S 13* W for 104 mi. Find how far the jet is from the airport to 3 decimal places.

51. ## math

The table below shows the rates for parking a car in a parking lot. According to the pattern shown in the table, how much would it cost to leave a car in the lot for 2 full days? ~TABLE~ 1 hour: \$1.00 2 hours: \$1.75 3 hours: \$2.50 4 hours: \$3.25 A. \$36.00

52. ## math

0,4,18,48,100..... How can I find the general term for this ?

53. ## math

Suppose that a certain municipality uses the equation y=3(x-50)+30 to determine the fine assessed a car which exceeds the 50 mph speed limit. Let x=speed of the car (in mph) and y=corresponding fine in dollars. a)What is the fine for traveling at 55 mph?

54. ## Physics

An airplane ﬂies at airspeed (relative to the air) of 430 km/h . The pilot wishes to ﬂy due North (relative to the ground) but there is a 43 km/h wind blowing Southwest (direction 225◦). In what direction should the pilot head the plane (measured

55. ## math

Jake is making birdhouses to sell. The cost to make them is \$80 for supplies plus \$6.25 per birdhouse. He will sell them for \$16 each. What is the minimum # of birdhouses he must sell to make a profit. I got he must sell more than 8 I did it by setting up

56. ## math help!

1,4,27,256... How to get the general term?

57. ## math

calculate the monthly payment by loan amortization table: loan \$26,000; down payment \$5,000; 11% 36 months

58. ## Pre-Cal.

find the inverse of the following function. Find the domain, range,and asymptotes of each function. Graph both functions on the same coordinate plane. f(x)=3+lnx

59. ## mathematics

1. If \$ is defined for all positive numbers x and y by x\$y = 3x + 8y - y^3, then 10\$2 = A. 38 B. 102 C. 14 D. 20 2. If & is defined for all positive numbers w and z by w & z = 15wz - 10w + 2 then 3 & 4 = A. 67 B. 77 C. 142 D. 152 3. All of the following

60. ## math

there are triplets that pass a three color gumball machine. each gumball costing one penny. each child wants the same color gumball what is the most you'll spend?

61. ## Math

Ian picked 5 times as many berries as michelle. joe picked 7 times as many berries as michelle. together they picked 208 berries. how many berries did joe pick? draw a diagram and explain how you found your answer.

62. ## math

what is the solution set of [x-2]

63. ## Calculus II

Integrate using integration by parts (integral) (5-x) e^3x u = 5-x du = -dx dv = e^3x v = 3e^3x I wonder if this is right so far. = uv - (integral) v du = (5-x)(3e^3x) - (integral) (-3e^3x) =(5-x)(3e^3x) + (integral) (3e^3x) = (5-x)(3e^3x) + 9e^3x + C

64. ## texashistory

h did geography adclimate impact the development oftexas

65. ## Calculus II

Find x and dx using trigonometric substitution of (integral) square root of 4x^2 - 9 divide by x x = 2/3 sec x dx = 2/3 tan x dx Is this right so far?

66. ## Health

What is the primary function of the skeletal muscle? A. Contraction B. Pumping blood to the rest of the body C. Protecting the body from harm D. Heating the body

67. ## Help Math

P(A)=0.40 P(B)=0.25 The probability of both events occurring is 0.15. What is the probability of either event occurring? A. 0.15 B. 0.50 C. 0.65 D. 0.80 Is it D?

68. ## technology

technological development and digital divide

69. ## Eng poem!

Hold fast to dreams For if dreams die Life is a broken winged bird That cannot fly Hold fast to dreams For when dreams go Life is a barren field Frozen with Snow. Can someone explain to me what this poem means.