kenny

Most popular questions and responses by kenny
1. Algebra 2

D'Andre has decided that he needs to get more exercise, so he is building a running regimen for himself. He decides that, beginning on Sunday, he'll fun 10 feet. On each subsequent day he'll double the distance he ran the previous day. So he'll run 20 feet

2. Math

Find the period and the amplitude of the periodic function y=3cos 4x

3. math

how do I find the product for 15x3 1/5 using distributive property,help please

4. math

You invest ​\$ 3000 3000 in an account that pays simple interest of 6 6​% for 20 20 years.

5. Math

a surveyor is 3 miles from a mountain. The angle of elevation from the ground to the top of the mountain is 15 degrees. What is the height of the mountain?

6. math

A profit function is derived from the production cost and revenue function for a given item. The monthly profit function for a certain item is given by P(x)=−0.05x2+500x−100,000, where P is in dollars and x is the number of units sold. 19a. How many

7. math

Lisa deposits \$3000 in an account that pays 2% simple interest, and \$4000 in a second account which has a higher interest rate but is more risky. What minimum interest rate must she get on the second account in order to earn at least \$700 in interest for

8. Maths

A ship travels at a steady speed. It takes 43 hours to cover a journey of 1,032km. What is the speed of the ship.

9. Maths

A ship P sails at an average speed of 50km/hr on a bearing of N55 degree E from a point R.At the same time another ship Q sails at an average speed of 40km/hr on a bearing of S25 degreeW.How far are they apart after 4hours

10. Math

Examine the diagram. A piston rod, PQ, is connected to a wheel at P and to a piston at Q. As P moves around the wheel in a counterclockwise direction, Q slides back and forth. there's a unit circle. origin to intersection at (1,0) is point P. Extending

11. statistics

A committee of three people is to be formed. The three people will be selected from a list of five possible committee members. A simple random sample of three people is taken, without replacement, from the group of five people. Using the letters A, B, C,

12. United States Government

Capitalism is a system that may be seen as the economic equivalent of what political ideology? a. Republicanism b. Anarchism c. Classical liberalism d. Communism e. Socialism Is it Socialism? But all of these listed opposed against capitalism.

13. Government US

Totalitarianism differs from authoritarianism in allowing no a. voice in government b. veto over legislation c. political parties d. personal freedom e. elections I cant quite figure this out and even if I can I am very unsure. I would say political

14. math

The Statue of Liberty is about 151 feet tall. If the angle of elevation from a tree in Liberty State Park to the statue's top is 1.5 degrees, how far is the tree from the statue?

15. physics

A metal block of mass 5kg lies on a rough horizontal platform.If a horizontal force of 8N applied to the block through its centre of mass just slides the block on the platform,then the coefficient of limiting friction between the block and the platform is

16. math

Children and adult tickets were sold for a local play. The children and adult tickets sold for \$11 and \$16, respectively. If 150 tickets were sold, and the total revenue was \$2250 for the night, find the number of children and adult tickets sold.

17. physics

During the second stage of a rocket launch the rockets upward velocity increases from 980 m/s to 9000 m/s with an average acceleration of 33 m/s*. How long did the acceleration last??

18. investments

eddy is considering a stock purchase. the stock pays constant annual dividend of \$2.00 per share, and is currently trading at \$20 . Eddy's required rate of return for this stock is 12%. should he buy this stock?

19. world history

What is the most likely explanation for why the Shang had little interaction with non-Chinese cultures?

20. Math-college

Combined, there are 178. ​Asians, Africans,​ Europeans, and Americans in a village. The number of Asians exceeds the number of Africans and Europeans by 69. The difference between the number of Europeans and Americans is 7. If the number of Africans

21. math

the angle of elevation from a ship to a 135-foot-tall lighthouse is 2 degrees. How far is the ship from the lighthouse?

22. math, algebra

If A>B and B(B-A)>0, which of the following must be true? I. B

23. Operating systems

Is there a Windows 3.5?

24. Statistics

The following is a list of 13 measurements: -38,-89,-47,-43,-70,59,92,97,23,-11,-62,-22,-5. Suppose that these measurements are respectively labeled X1,X2,...,X13 Find the sum when i=1 Xi/30.

25. math

You deposit \$6,700 in a money-market account that pays an annual interest rate of 3.3%. The interest is compounded quarterly. How much money will you have after 4 years?

26. algebra-math

Combined, there are 184 ​Asians, Africans,​ Europeans, and Americans in a village.The number of Asians exceeds the number of Africans and Europeans by 61. The difference between the number of Europeans and Americans is 11. If the number of Africans

27. Science

Calculate the frequency of rotation of the second hand clock

28. Math

Three lighthouses on three nearby islands flash their lights every evening. On one island, the light flashes every 45 seconds. The lighthouse on the second island flashes every 2 minutes. The third lighthouse flahses a light every 1 and 1/4 minutes.

29. nuclear chem

i need help solving this. Can you guys show me how it's done. Radium-226 decays by alpha emission to radon-222, a noble gas.What volume of pure Radon- 222 at 23oC and 785mmHg could be obtained from 543.0 mg of radium bromide,RaBr2 in a period of 20.2

30. HAMLET@!

In hamlet how do the first two lines indicate that something is amiss? BERNARDO: Who's there? FRANCISCO: Nay, answer me: stand, and unfold yourself. Two soldiers who know each other have no trust. One asks who is coming? The other refuses and says Stand up

31. math

A jet flew at an average speed of 480 mph from Point X to Point Y. Because of head winds, the jet averaged only 440 mph on the return trip, and the return trip took 30 minutes longer. How many hours was the flight from Point Y to Point X? how far is it

32. Calculus

a rectangular storage area is to be constructed along the sides of a tall building. A security fence is required along the three remaining sides of the area. What is the maximum area that can be enclosed with 1000m fencing?

33. Calculus

a meteorite slams into the earths crust and penetrates d=(1200t-36000t^2)m in t seconds after impact. What is the maximum depth of penetration?

34. Algebra

The original price of a pair of jeans is \$80. A store marks a pair of jeans as discounted at 40% off. It then has a store wide clearance of 20% off all marked prices. If you come during the sale and use a "40% off" coupon to buy the jeans will they be

35. Math

Suppose there is a cow that is tied to the corner of a barn with a rope as shown in the figure below. One side of square barn measures 50 yards and all the doors on the barn are closed, so the cow cannot enter the barn (he must walk around the sides only).

36. chemistry

what mass of aluminum hydroxide needs to be consumed to neutralize 1.25L of stomach acid (HCl). Stomach acid has a pH of 2.2

37. math

Solve by setting up the proper equation to describe the facts given and then carrying out the mathematical calculations to solve for the unknown variable(s). Three batteries are connected in series so that the total voltage is 54 volts. The voltage of the

38. geometry

what is the maximum broadcasting radio from a radio tower 1800ft tall the radius of earth is 3960 miles and you can assume thtat the ground around the tower is nearly flat

39. investing

new millenium company's stock sells at a P/E ratio of 21 times earnings. it is expected to pay dividends of \$2 per share in each of the next 5 years and to generate an EPS of \$5 i year 5. using the dividends-and-earnings model and a 12% discount rate,

40. math

A pool can hold 2050 gallons of water, and it is being filled at a rate of 50 gallons per hour. The pool currently has 300 gallons in it. a) Write a linear equation which represents number of gallons in the pool. b) How long will it take to finish filling

41. Science Help

1.) A rail gun uses electromagnetic energy to accelerate objects quickly over a short distance. In an experiment, a 2.00 kg projectile remains on the rails of the gun for only 2.10x10-2 s, but in that time it goes from rest to a velocity of 4.00×103 m/s.

42. Physics

a person standing at the edge of a seaside cliff kicks a stone over the edge with a speed of 10 m/s. the cliff is 48 m above the water's surface as shown. how long does it take for the stone to fall to the water? the acceleration of gravity is 9.81 m/s2.

43. calculus

a rectangular box with a square bottom is to have a volume of 1000 cubic inches. the bottom cost \$100 per cubic inch, the sides are \$25 per square inch and there is no top. what are the dimensions of the box that has materials costing the least

44. math

For each of the following examples: i) Express the negation of the statement using propositional notation, simplifying as much as possible, and ii) Express the statement (and its negation) in words, for the provided propositional functions. (a) ∀x, (p(x)

45. investment

The price of consolidated everything is now \$75. The company pays no dividends. Ms. Bossard expects the price 3 years from now to be \$100 per share. should Ms. Bossard buy Consolidated e. if she desires a 10% rate of return?explain

46. English!!!!

what is a good Quotation from a book? "The dumbest question ever asked is the one that is not asked" okay from what book is that from? well i got this one " I'lll love you forever, I'll like you for always, as long as i'm living my baby you will be." the

47. physics

A 1543.1 kg car is traveling at 25.1 m/s when the driver takes his foot off the gas pedal. It takes 5.7 s for the car to slow down to 20 m/s. How large is the net force slowing the car? Answer in units of N

48. CHEMISTRY: URGENT

1) the element Q has the electronic configuration 1S2, 2S2, 2p6, 3s2, 3p6, 4s2 3d10, 4p1. Write the atomic #. Q exist as 69Q and 71Q. What is the significance of the 2 #'s. What does it mean. B) find the atomic mass if 69Q is 60% anf 71Q is 40%

49. Calc I

with finding the area under a line i need to find anti derviatives for: e^3x dx Cos^4 x Sinxdx e^(x^2) xdx e^x^2 dx Cos(3x)dx

50. chem

given that 140.ml of chlorine gas weighs 0.450 g find the density of chlorine in grams per liter(g/liter).

51. programing

5.Write a query to display the details of employees in the shipping' department who were hired after '01-JAN 1990' note that the query must use a join. 6.Write a query to display all unique department_id's in the employees table. 7.Write a query to display

52. programing

3.Write a query to display the annual salary of all employees in department_id 20. Display the names in increasing order or salary. 4.Write a query to display the average salary of employees. Label the column as ' Average Salary. 5.Write a query to display

53. Chemistry

Could someone please help me with the following questions; 1.) Formic acid reacts with hydroxybenzene to form? 2.) For the synthesis of methyl butanoate from an alkene and alcohol, what should I use? 3.) Synethesis of an alkene from 2-propanone. Thank you.

54. MATH

THE FIRST LETTER IS M AND ALL THE VOWELS ARE IN PLACE. ZASMEZASIXP IP JUTI

2x2-3x-5

56. Math

Question: You are randomly dealt 5 cards from a standard deck of 52 playing cards. What is the probability that you have at least 4 cards of the same suit? My solution: 4 [ P(4 of the same suit) ] - because there are 4 different ways to get 4 of the same

57. Math

Let ABCD be a square, and EFGH be a square whose area is twice that of ABCD. Prove that the ratio of AB to AC is equal to the ratio of AB to EF

58. Physics

A horizontal force of 150 N is used to push a 42.0-kg packing crate a distance of 6.60 m on a rough horizontal surface. If the crate moves at constant speed, find each of the following.

59. GCSE mathematics

in the diagram,AB=AC and angle ABC=34

60. Finance

Calculate the accounts receivable period, accounts payable period, inventory period, and cash conversion cycle for the following firm: Income statement data: Sales 5,000 Cost of goods sold 4,200 Balance Sheet Data: Beginning of Year End of Year Inventory

61. Calculus

Could someone please help me with these questions;I was having trouble with these four questions. Evaluate each limit, if it exists, using any appropriate technique. 1.) The limit as u approaches 4; u^2-16/u^3-64 2.) The limit as x approaches 1; x^3+

62. pre-calc graphing

Sketch the graph of f(x)= [ (1/2) tanx + 1 ] as x varies from pie/2 to 3pie/2

64. Lang Arts

Have you read this book called the outsiders well i need to do an oral presentation on it Here is a poem i need to know how this poem relates to the story and some other details with evidence from the story. Poem: Nothing Gold Can Stay Natures first green

65. Lang Arts

Have you read this book called the outsiders well i need to do an oral presentation on it Here is a poem i need to know how this poem relates to the story and some other details with evidence from the story. Poem: Nothing Gold Can Stay Natures first green

66. Math

A high fountain of water is located at the center of a circular pool as shown in the figure below. Not wishing to get his feet wet, a student walks around the pool and measures its circumference to be 19.0 m. Next, the student stands at the edge of the

67. math

An oil company operates two Southern refineries. The Alabama facility produces 500 barrels of high-grade oil and 200 barrels of medium-grade oil per day. The Texas facility produces 600 barrels of high-grade and 400 barrels of medium-grade oil per day. By

68. math

A stereo is bought for \$1500 and sold 4 years later for \$800. a) Find the depreciation equation. b) Assuming the depreciation is linear, find the value of the stereo after the first five years of ownership.

69. Math

Please help me with this home work Triangle ABC ~ Triangle ADE AD=5; DB=3.5; BC=5.1; AE=6; EC=x What is the length of AB? What is the length of DE? Write an expression that represents AC? What is the length of EC? What is the length of AC? Thank you

70. math

The Statue of Liberty is about 151 feet tall. If the angle of elevation from a tree in Liberty State Park to the statue's top is 1.5 degrees, how far is the tree from the statue? cot 1.5 DEGREES= h/ 151 151 cot 1.5= h h= ________

71. MATH

FIND THE UNIT RATE ROUND TO THE NEAREST HUNDREDTH ?TRAVEL 250 MIN IN 5 HOUR

72. Calculus

x(x^2-1)^3 using change of variable

73. Algebra

Gail and her brother Henry had a combined age of 47. If Gail was twice as old as Henry ten years ago, how old is Gail today?

74. Physic

One gallon of paint (3.79 Liters) covers an area of 26.0 m2. What is the thickness (in mm) of the fresh paint on the wall. Please help, I have no idea where to start thank you!

75. chem

given that 140.ml of chlorine gas weighs 0.450 g find the density of chlorine in grams per liter(g/liter).

76. Calculus

Could you please help me with this question: Determine the values of x so that the tangent to the function (y=3/cubic root of x) is parallel to the line x+16y+3=0 Thank you

77. culture diversity

What's the common definition term of social ranking by social wealth

i need some help with determing surface areas of rectangular solids please. thank-you

79. Calculus

consider the following function: f(x)=sqrt(50-x) find the linear approximation of f(x) at a=1

80. Science

A 50-kg block is being pulled up a 30.0^ slope by force of 250N which is parallel to the slope, but the block does not slide up the slope. What is the minimum value of the coefficient of static friction required for this to happen?

81. critical thinking

explain how rhetorical definitions, rhetorical comparisons, and rhetorical explanations differ

82. math

A real estate company has a fleet of cars. The annual operating cost per car is C = 0.25m + 1300, where m represents the number of miles traveled per year. Find the maximum number of miles that each car can travel per year to yield an operating cost of no

83. Math

piece wise function{y=x^2-2, x=1. find slope of tangent at x=1 of piece wise function. So is it 2, 1.5, or no tangent? I am confused by the 2 graphs(piecewise). Thanks

84. Math

Triangle ABC ~ Triangle ADE AD=5; DB=3.5; BC=5.1; AE=6; EC=x What is the length of AB? What is the length of DE? Write an expression that represents AC? What is the length of EC? What is the length of AC?

85. math

How many ways are there to roll out a 3 question True or False?

86. Math

What is the rule for this function? input 2 output 5 ,input 4 output 13, Input 6 output 21, Input 8 output 29, Input 10 output 37 Please help now thanks

87. science

How does substrate concentration affect enzyme activity. If you do not know the answer, please reply this question letting me know.

88. College Algebra 1

Using the factoring method, solve for the root: 10x^2-41x=-21

89. math

Anna uses 5/6 tank of gas each week driving to work . How many tanks of gas does Anna use in 1 2/3 months.

90. Algebra

Negative three times the sum of a number and one is less than or equal to the difference of 5 times the number and 9.Graph the solutions.

91. criminal justice

You have completed your investigation on allegations against a plant employee of an acquired corporation, Lake Inc. That is based on the basic information given below. Create a report on the results of your investigation and present final results that your

92. criminal justice

what is the rational for allowing warrtless searches? Are those reasons persuasive?

93. science

a car with a mass of 2000 kg moves along the ice with a constant velocity of 10.0 m/s. What is the car's momentum? a. 200.0 N b. 20.000 N c. 200.0 kg x m/s d. 20,000 kg x m/s I know it is twenty thousand, I'm unsure of the measurements or units. Please

95. programing

10.Write a query to display the name, salary, department_name and job_title of all employees whose salary is greater than \$10.000

96. programming

1.Write a query to display the names of the employees that do not have any department_id. 2. Write a query to display the names, salary and job_id of employees in department_id 40, 60 and 80. Display the name as a single column and label it as Full_Names.

97. Fin 324

Using the following data, compute net sales sales discounts 50,000 Accounts receivable, ending 125,000 Gross Sales 2,500,000 Inventory, ending 200,000 sales returns and allowances 75,000

98. Math

A shoe company will make a new type of running shoe. The fixed cost for the production will be \$54,000. The marginal cost will be \$25 per pair of shoes. The shoes will sell for \$115 for each pair. a) Write the cost function b) Write the revenue function c)

99. Math

Rosita earns money by walking dogs after school and on weekends. She walks madeline evry other day. Buddy every fourth day, and Ernie every fifth day. Today she walked all three dogs. How many days will it be before Rosita walks Madeline and Buddy on the