# Kaylee

Popular questions and responses by Kaylee
1. ## Science

For a reaction to occur, the energy of the system must meet the activation energy threshold. Which best explains why increasing the temperature increases the rate of a reaction? A) Because more particles spread out away from each other B) Because more

2. ## History

Which defines propaganda? a realistic art form intended to depict the authentic lives of peasants a tribute paid to a king in order to receive political favor and benefits social and economic benefits provided by the government to prevent rebellions

3. ## math

how much do you need to subtract from 43/10 to make 4 ??

4. ## English

How is Penelope's character in The Penelopiad different from her character in The Odyssey? A) she is more bitter*** B) she is more courageous C) she is more subservient In The Penelopia, which of the following BEST describes the tone kept by Penelope when

What is a positive coterminal angle to 47° that is between 500° and 1000° and a negative coterminal angle to 47° that is between −500° and 0°? I don't really understand how to do this >.

6. ## Chemistry ?

How many moles are contained in a 4.67-L sample of gas at 30°C and 199 kPa? A. 1.7 mol B. 11.8 mol C. 0.37 mol D. 3.7 mol I guessed D, but I'm not sure.

7. ## math

4 is the quotient of 16 and a number n

8. ## Spanish

Need some help with my spanish assignment Complete the following sentences with the correct form of either dar or decir. My answers are in parentheses. I am having trouble, any input is appreciated! 1) Mis amigos (decimos) que hay una fiesta en casa de

9. ## physics

A car and driver weighing 7750 N passes a sign stating “Bridge Out 28.5 m Ahead.” She slams on the brakes, and the car decelerates at a constant rate of 10.6 m/s2 . The acceleration of gravity is 9.8 m/s2 . What is the magnitude of the work done

10. ## physics

to determine that force acting on each mass it was assumed that g=9.8m/s^2. The value of g at the place where the experiment is performed may be slightly different from that value. state what effect it would have on the percentage error calculated for the

11. ## Social studies

1. If a consumer makes monthly payments of \$250 to pay off a car loan, what type of credit is she using? (1 point) non­revolving •• revolving short term unsecured 2. Caitlin wants to buy an airline ticket, but she’s uncomfortable taking that much

12. ## Chem

Identify the Oxidizing agent and the reducing agent for Al(s)+3Ag^+(aq)--->Al^3+(aq)+3Ag(s) Express your answers as chemical formulas serperated by a comma. I tried putting in Al,3Ag^+ and 3Ag,Al^3+ I keep getting it wrong and only have one attempt left I

13. ## Using graphs to analyse data unit test

what are the mean median and mode of the following data set 18, 19, 20, 21, 23, 26, 26, 26 A. mean- 22.4 ; median- 22 ; mode- 26 B. mean- 22.4 ; median- 26 ; mode- 22 C. mean- 26 ; median- 22.4 ; mode- 24 D. mean- 23.4 ; median- 22 ; mode- 26

14. ## Social studies

What are the groups who are on the same side in a war

15. ## Stats

A telephone company’s goal is to have no more than five monthly line failures on any 100 kilometres of line. The company currently experiences an average of two monthly line failures per 50 kilometres of line. Let x denote the number of monthly line

16. ## Chemistry

One method of removing CO2(g) from a spacecraft is to allow the CO2 to react with LiOH. 2LiOH(s)+CO2(g)---->Li2CO3(s)+H2O(l) How many liters of CO2(g) at 25.5 degrees celsius and 749 Torr can be removed per 9kg of LiOH consumed?

17. ## Social Studies 8

1. for the additional green spaces to be considered public services, what must be true? A. The local government uses tax money to create them B. a national business provides funding for some of the spaces C. people who purchased season passes to the spaces

18. ## Trigonometry

If 5cosA+3=0 and 180(degrees)

19. ## History

What was the purpose of the freedmens bureau A.to allow former slaves to vote B.to grant former slaves a piece of southern land C.to repeal the black codes D.to assist former slaves with getting jobs, education, food, and cloths*** Can someone please check

20. ## Math

Suppose she cut the cake into 8 equal size pieces and 6 people ate all the pieces. Explain how they could have divided the pieces so that everyone ate the same amount of cake. Show work in a drawing

21. ## Algebra

Form a polynomial f(x) with real coefficients having the given degree and zeros. Degree 5; zeros:1;-i; -7+1

The diameter of a spider's thread is 1.0 x 10 -3 inch. Write the number in standard form.

23. ## physics

If you rub a piece of PVC pipe with some wool and touch the PVC to Aluminum foil. Will the PVC be charged after rubbing it with wool?? Will the aluminum be charged? Finally can the PVC cause the aluminum to move. Please explain (hint: can the PVC give

24. ## math

If you flip a coin 12 times, what is the best prediction possible for the number of times it will land on heads?

25. ## world history

Rome was considered a republic because? A.)citizens voted for some of there officials B.)patricians had the power to veto bad legislation C.)plebeians supervised the business of government D.)the emperor appointed representatives to the senate I really

26. ## Math

The area of an isosceles right triangle decreases at a rate of 5 cm² per second. At what rate is the hypotenuse changing when each of the other sides has length 10 cm? So far I have: Given: dA/dt= 5cm^2/s Find: dH/dt when b&h= 10cm And h= root 200(?)

27. ## physics

a bullet of mass 0.05 kg strikes a wooden block of mass 5 kg and becomes embedded within the block. The block and bullet then fly off at 10 m/s after the collision. What was the original velocity of the bullet if the block was initially at rest?

28. ## Math

Brenda is building a rectangular pen for her dog. She has enough fencing to build the pen so that it has a perimeter of 36 feet. She wants the pen to have an area of 65 ft2. What are the dimensions of the dog pen? A. 5 feet by 13 feet B. 10 feet by 8 feet

29. ## Physics

Consider a torque ⃗τ that is constant in both magnitude and direction, and acts on a rigid body of mass 10 kg at a point 1 m from the pivot. How much work does the torque do on the rigid body, if it turns through an angle of 180◦ while the torque is

30. ## Math-Probability

Please explain how to get the answer.I have now idea. 1.If you roll two fair dice,one red and one green,what is the probability of getting a 2 on the red die and a 3 on the green die? Give answer in a reduced fraction. 2.If you roll two fair dice,one red

31. ## Chemistry

Make sure the water’s Mass is still set to 1.0 kg and its Temp is 25 °C. Set the cylinder’s Height to 500 m. How does doubling the mass affect the temperature change of the water?

32. ## Chemistry help?

The mass of a quantity of NiCl2 is 24.6 g. How many formula units are in the sample? A. 3.2 3 1023 NiCl2 formula units B. 5.3 3 10–21 NiCl2 formula units C. 1.1 3 1023 NiCl2 formula units D. 1.9 3 1027 NiCl2 formula units

33. ## Math

For a chemistry experiment, Heather needs 3.75 grams of salt. How many decigrams of salt does Heather need?

34. ## physics

An airplane starts at rest and accelerates down the runway for 20s. At he end of the runway, it's velocity is 80 m/a north. What is its acceleration?

35. ## pre-algebra

I can not solve this problem: 3/4 =5/x

36. ## math

Two adjacent sides of a rhombus are represented by 5x+7 and 6x-1. Find the value of x

37. ## Finance

Consider the following projects, for a firm using a discount rate of 10%: project NPV IRR PI A \$200,000 12.2% 1.04 B \$200,001 11% 1.01 C \$60,000 10.1% 1.61 D \$(235,000) 9% .95 If the projects are independent, which, if any, project(s) should the firm

38. ## pvc and wool

If you rub a piece of PVC pipe with some wool and touch the PVC to Aluminum foil. Will the PVC be charged after rubbing it with wool?? Will the aluminum be charged? Finally can the PVC cause the aluminum to move. Please explain (hint: can the PVC give

39. ## Social Studies 30

Explain the relationship between the objectives of the General Agreement on Tariffs and Trade and the concept of free trade.

40. ## Science-Measurement

What is useful when exact data is not required???? An estimated value? A ball park number? An approximation? An order of magnitude? No, it's a 10 letter word. None of those fit. Do you know what letter it begins with or any of the letters between the

41. ## mathematics

a retail store offers two different hourly compensation plans: plan A: \$9.00 per hour Plan B: \$7.50 per hour worked plus a \$4.50 shift bonus graph the linear system when would the earnings from the two plans be the same?

42. ## Science

A cookie has a certain mass. Explain why breaking the cookie in half does not change its mass????

43. ## statistics

95% confidence 1) if you use the estimate of 22.2% and 18.1% what does N equal? 2) if you use no prior estimates what does N equal?

44. ## Geometry

Math question :a ladder leans against a building forming an angle of 56 degrees with the ground.The base of the ladder is 3 feet from the building. Use the cosine to determine the length of the ladder.

45. ## Science

Which statement best explains why tropical climates are so hot

46. ## Math

The difference of Hectors height and 24 is 47, let h represent Hectors height.

47. ## math

-9w -6 + 7w= 16 what the value of w

48. ## Integrated Science

How did Mendeleev organize the elements in the periodic table? A) By decreasing atomic mass from left to right and top to bottom B) By decreasing atomic # from left to right and top to bottom C) By increasing atomic # from left to right and top to bottom

49. ## Science

If a jogger runs at the speed of sound, can he still hear his iPod? This is a serious question.

50. ## History

Which accurately describe the impact of Magellan’s exploration efforts on European society? (Select all that apply.) Large portions of South America and the Pacific were mapped for future exploration efforts. Sailing west to reach the Spice Islands

51. ## Math

1x+3y = 12 Solve for both, show work

52. ## Bio

On hot dry days guard cells are dying clothes Microsoft openings in plant leaves conserving water this in example of A environmental factors causing gene mutations in plants B finite resources acting as selecting agenta for evolution C A feedback mechanism

53. ## Bio

2) A person’s wedding on a hot day would most likely be an example of what biological process A digestion B respiration C homeostasis D gametogemesis

54. ## science

to determine both the independent and dependent, what are some questions you can ask yourself?

55. ## English

What does the narrator of “All Watched Over by Machines of Loving Grace” want? people to reject computers computers to rule man and animal the natural world to swallow up technology computers and living things to live together in a natural harmony My

56. ## Pre Algebra

6. 7^5 • 7^6 = (1point) a. 49^30 b. 7^30 c. 49^11*** d. 7^11

57. ## Language

Which of the following topics would be most appropriate for an autobiography narrative? A. your opinion of the opening ceremony at the Olympic Games B. your explanation of how to download MP3 files to your personal musical device C. your account of your

58. ## chemistry

The rate law is : rate = k [NO2]^2. Write an equation for the overall reaction. Identify the intermediate. Which elementary reaction is the slow one? I've been looking in my book on how to do this but I can't find how. Also, could you please explain the

59. ## Trigonometry

If 5cosA+3=0 and 180(degrees)

60. ## Trigonometry

If 5cosA+3=0 and 180(degrees)

61. ## math

Five divers found three chests of coins. they decided to divide the treasure evenly. what portion of the chest would each one get ?

62. ## math

Five divers found three chests of coins. they decided to divide the treasure evenly. what portion of the chest would each one get ?

63. ## Physics

While standing at the edge of the roof of a building, you throw a stone upward with an initial speed of 6.05 m/s. The stone subsequently falls to the ground, which is 12.7 m below the point where the stone leaves your hand. At what speed does the stone

64. ## math

3.96 x 10^2/ 1.5 x 10^6

65. ## math

3.96 x 10^2/ 1.5 x 10^6

66. ## Math

What is the surface area of a pyramid height of 4.5in. and base of 5in.?

67. ## Math

What is the surface area of a pyramid with a base of 7cm and height of 9.1cm?

68. ## Math

900 people were surveyed on how they get to work in Dallas. Public Transportation- 19% and Bikes 11%. How many people were surveyed that take public transportation and bikes?

69. ## Chemistry

What is the volume of 2.0 kg of isopropyl alcohol at 20 degrees Celsius? Density at 20 degrees is 0.785g/ml. I got .00255 ml when using 3 sig figs.

70. ## Science

a baseball catcher is catching a fastball that is thrown at 43 m/s by the pitcher. if the mass of the ball is .15 kg and if the catcher moves his mitt backward toward his body by 8 cm as the ball lands in the glove what is the force on the mitt?

71. ## Math

At a shoe store, all shoes are on sale for \$20 off the regular price. If p represents the regular price, write an expression to represent the sale price.

72. ## math

If the LCM of two numbers is 60, and the difference between the two numbers is 3, what is the pair of numbers?!?!?!?

73. ## Physics

Given: A flat dance floor of dimensions lx = 24 m by ly =23m and has a mass of M = 1200 kg. Use the bottom left corner of the dance floor as the origin. Three dance couples, each of mass m = 110 kg start in the top left, top right, and bottom left corners.

74. ## Physics

Given: A flat dance floor of dimensions lx = 24 m by ly =23m and has a mass of M = 1200 kg. Use the bottom left corner of the dance floor as the origin. Three dance couples, each of mass m = 110 kg start in the top left, top right, and bottom left corners.

75. ## Physics

A horizontal disk with a radius of 23 m ro- tates about a vertical axis through its center. The disk starts from rest and has a constant angular acceleration of 5.5 rad/s2. At what time will the radial and tangen- tial components of the linear acceleration

76. ## Physics

Consider a torque ⃗τ that is constant in both magnitude and direction, and acts on a rigid body of mass 10 kg at a point 1 m from the pivot. How much work does the torque do on the rigid body, if it turns through an angle of 180◦ while the torque is

77. ## Physics

A 2.73 kg particle has a velocity of vx = 6.02 m/s and vy = 0.316 m/s. Find the magnitude of its total momentum. Answer in units of kg · m/s

78. ## physics

A block of mass 2.5 kg is pushed up against the vertical wall by a force of 60 N acting at 47◦ to the ceiling. The coefficient of kinetic friction between the block and the wall is 0.67. The acceleration of gravity is 9.8 m/s2 . Find the work done by

79. ## physics

A single constant force 18.1 N acts on a particle of mass 2.92 kg. The particle starts at rest at t=0. What is the instantaneous power delivered by the force at t=4.48s? Answer in units of W

80. ## physics

A rain cloud contains 3.11 × 107 kg of water vapor. The acceleration of gravity is 9.8 m/s2 . How long would it take for a 1.8 kW pump to lift the same amount of water to an altitude of 20000 m? Answer in units of years

81. ## physics

A spring with spring constant of 30 N/m is stretched 0.19 m from its equilibrium position. How much work must be done to stretch it an additional 0.077 m? Answer in units of J

82. ## Physics

Two blocks connected by a string are pulled across a rough horizontal surface by a force applied to one of the blocks, as shown. The acceleration of gravity is 9.8 m/s2 . If each block has an acceleration of 5.2 m/s2 to the right, what is the magnitude of

83. ## Physics

A string under a tension of 68 N is used to whirl a rock in a horizontal circle of radius 3.7 m at a speed of 16.53 m/s. The string is pulled in, and the speed of the rock increases. When the string is 0.896 m long and the speed of the rock is 71.5 m/s,

84. ## Physics

In the Bohr model of the hydrogen atom, the speed of the electron is approximately 2.45 × 106 m/s. Find the central force acting on the electron as it revolves in a circular orbit of radius 5.18 × 10−11 m. Answer in units of N

85. ## Physics

Zak, helping his mother rearrange the furni- ture in their living room, moves a 48.9 kg sofa 3.3 m with a constant force of 21 N. What is the work done by Zak on the sofa? Neglect friction. Answer in units of J

86. ## Physics

A 17.9 kg block is dragged over a rough, hor- izontal surface by a constant force of 74.1 N acting at an angle of angle 32.3◦ above the horizontal. The block is displaced 72.4 m and the coefficient of kinetic friction is 0.242. Find the work done by the

87. ## Physics

A car is moving at 50 miles per hour. The kinetic energy of that car is 5 × 105 J. How much energy does the same car have when it moves at 114 miles per hour? Answer in units of J

88. ## NAU

When jumping straight down, you can be seriously injured if you land stiff-legged. One way to avoid injury is to bend your knees upon landing to reduce the force of the impact. A 80.6-kg man just before contact with the ground has a speed of 6.59 m/s. (a)

89. ## need asap trigg

simplify the expression by using a double angle formula or a half angle formula: a. 2 tan 7 degrees /1-tan^2 7 degrees b.2 tan 7 theta / 1-tan^2 7 theta

90. ## Trigg

Find sin 2x, cos 2x, and tan 2x from the given infomation csc x=4, tan x < 0

91. ## Math Trigg

Find sin 2x, cos 2x, and tan 2x from the given infomation csc x=4, tan x < 0

92. ## USA STUDIES

What were some of the benefits of the Articles of Confederation?

93. ## Chemistry?

What mass of sulfur has to burn to produce 4.5L SO2 at 300°C and 101 kPa in the following reaction? S(s) + O2(g) -> SO2(g) A. 3.07 g S B. 68.8 g S C. 41.0 g S D. 13.5 g S

94. ## Legal Studies

I nee help to write my legal studies assignment that's due tomorrow,any want to help?

95. ## math

a rectangle has a base of 25 in. and a height of 15 in. if the shape is dilated with a scale factor of .6, what is the area of the new shape?

96. ## physics

a student is on a rotating merry-go-round at a constant rate and tosses her apple in the air. if the apple in thrown up with a velocity of 1.2 m/s and the student catches it again after rotating 5.00 revolutions, how fast is the merry-go-round spinning in

97. ## Geometry

Find KN and LM. In triangle LKM, angle L is bisected. Line segment LK is 11, line segment KN is x-4, line segment NM is 5.4, and line segment LM is 2x + 1.3 (there is a drawing of this triangle) Thanks.

98. ## Math

Eight times a number equals 24 more than two times the number. What is the number?

99. ## Math

A number equals four less than three times the number. What is the number?