Questions Asked on
December 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!

    asked by Isha
  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!

    asked by Lisa
  3. Math

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

    asked by Keisha
  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

    asked by Amy
  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

    asked by zana
  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

    asked by tanya
  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

    asked by hass
  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.

    asked by Breanna
  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?

    asked by Jem
  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

    asked by zak
  11. Math

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

    asked by jack watson
  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

    asked by Anonymous
  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?

    asked by Chrissy
  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,

    asked by Help
  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

    asked by kyle
  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

    asked by Sarah
  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

    asked by hass
  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

    asked by hass
  19. micro economics


    asked by Anonymous
  20. calculus-can someone please help me with this ques

    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

    asked by Jennifer
  21. calculus--please help!!

    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

    asked by NayNay
  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!!

    asked by Breanna
  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

    asked by Julienne
  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.

    asked by umesh
  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?

    asked by Jem
  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?

    asked by Inna
  27. math

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

    asked by Eduarda
  28. pathophysiology

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

    asked by wanghao
  29. History

    What is liberalism?

    asked by Shruti katiyar
  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.

    asked by Diane
  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

    asked by Kim
  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.

    asked by James
  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.

    asked by michel
  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

    asked by pearl
  35. physics

    what is looming?

    asked by sushila
  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

    asked by B6
  37. physics

    water can be boil without heating?

    asked by sushila
  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)

    asked by Blake
  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

    asked by james
  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

    asked by John
  41. math

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

    asked by Brandon
  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?

    asked by Andrea
  43. math

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

    asked by Jody
  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.

    asked by justin
  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

    asked by Marsha
  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

    asked by Matt
  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

    asked by Samantha
  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,

    asked by Matt
  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,

    asked by Marie
  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.

    asked by Alan
  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

    asked by joshua
  52. math

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

    asked by Raina
  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?

    asked by kathy m.
  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

    asked by Daniel
  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

    asked by es
  56. math help!

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

    asked by Raina
  57. math

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

    asked by Linda
  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

    asked by phyllys
  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

    asked by joshua
  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?

    asked by coralynn
  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.

    asked by Devonte
  62. math

    what is the solution set of [x-2]

    asked by Anonymous
  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

    asked by Katie
  64. texashistory

    h did geography adclimate impact the development oftexas

    asked by elizabeth
  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?

    asked by Katie
  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

    asked by inertia muff
  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?

    asked by Chrissy
  68. technology

    technological development and digital divide

    asked by mosam
  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.

    asked by Raina
  70. Rate of change problem

    In 1993, 90 houses were built. in 1997, 102 more houses were built. find the average rate of change in the number of new homes built. express the result in terms of new houses built per year. a. 1/3 b. 102/90 c. 3/1 d. 5/2 could you explain it too? i don't

    asked by kathy m.
  71. Math

    can you help i dnt know what to do so could you tell me how to solve it 1. every weekend, Phil drives from his home to his favorite amusement park, a distance of 60 miles. a. If he averages 40 mph for the first half of the trip, what must his average speed

    asked by howard