# kylie

Popular questions and responses by kylie
1. ## physics

A car starts from rest and travels for 5.0 s with a uniform acceleration of +2.5 m/s2. The driver then applies the brakes, causing a uniform negative acceleration of -3.0 m/s2. If the brakes are applied for 2.0 s, how fast is the car going at the end of

2. ## Chemistry

Ethanol (C2H5OH) melts at -114 degrees Celsius. The enthalpy of fusion is 5.02 kj/mol. The specific heats of solid and liquid ethanol are 0.97 J/g-K, respectively. How much heat (kJ) is needed to convert 25.0 g of solid ethanol at -135 degrees Celsius to

3. ## science

The pressure on a fluid at rest in a pipe increases by 20 Pa. How does this change in pressure affect the pressure on the fluid in the rest of the pipe? 1. The pressure in the rest of the fluid stays the same because the pressure only increased in one area

4. ## science

A person exerts 80,000 Pa of pressure on the ground while standing on both feet. What would happen to the pressure if the person then stood on only foot, decreasing the area in contact with the floor to half the original? 1. The person would exert twice as

5. ## science

A cabinet weighing 100 N is placed on a floor. The amount of contact area between the cabinet and the floor is 0.5 m2. How much pressure does the cabinet exert on the floor? 200 Pa 50 Pa 100.5 Pa 0.005 Pa I believe It is the third one. Is this correct?

6. ## CHEMISTRY

Assuming equal concentrations, rank these aqueous solutions by their freezing point: LiSO4, Li3PO4, SnCl4, NH4Br. (from highest freezing point to lowest freezing poinT) Thanks.

7. ## History

How did geography shape civilizations in ancient India and China? A) they built cities away from areas prone to flooding and dangerous weather B) they grew along rivers and other bodies of water C) they emerged where mountains and other natural barriers

8. ## Math

I have a practice math test and I am stuck on a few. Please help :-) 1) Write the number of permutations in factored form. Then simplify. How many different ways can you and four of your friends sit in the back of a limousine? A) 4!; 24 B) 4!; 120 C) 5!;

9. ## physics

The balance wheel of a watch oscillates with angular amplitude 1.7π rad and period 0.64 s. Find (a) the maximum angular speed of the wheel, (b) the angular speed of the wheel at displacement 1.7π/2 rad, and (c) the magnitude of the angular acceleration

10. ## physics

Two Earth satellites, A and B, each of mass m, are to be launched into circular orbits about Earth's center. Satellite A is to orbit at an altitude of 7460 km. Satellite B is to orbit at an altitude of 20500 km. The radius of Earth REis 6370 km. (a) What

11. ## Biology/Health 12

Explain why only one corpus luteum may be found in the ovaries of a woman who has given birth to triplets. THANKS!

12. ## Texas history

PLEASE HELP QUICKLY I NEED A 100 BY TONIGHT!!! 1. Which statement expresses the pattern of immigration between 2010 and 2013 to Texas from Mexico, Central America, and Asia: A. The Mexican and Central American share decreased; Asian share increased*** B.

13. ## Geometry

what is the value of x in the diagram? A. 1/2 B. 4/21 C. 2 D. 4 The fractions for cross multiplication are 9/4x-2 and 12/3x+2 I tried to do it but it was not an answer and i dont know what i did wrong

14. ## Algebra

Solve the system by substitution. -5x + y = -3 3x - 8y = 24 I'm not sure which equation to choose as I begin to find the y value. Some assistance would be greatly appreciated! Thank you!

15. ## Algebra 2 HELP plz

An object is launched upward with an initial velocity of 64 feet per second from a platform 80 feet high. 1.) Write a height model for the object. I wrote my model as .... h=-16t^2 +64t +80 2.) How many seconds until the maximum height is reached? I had 2

16. ## science

is cinnamon ionic or covalent

17. ## physics

The horizontal surface on which the block of mass 5.1 kg slides is frictionless. The force of 62 N acts on the block in a horizontal direction and the force of 124 N acts on the block at an angle of 60 degrees. What is the magnitude of the resulting

18. ## math

Sum the series 1*2+2*3+3*4+ ... +2019*2020

19. ## Math

The odds of Macy passing her driver's test on the first try are 17:27 Determine the probability that she will pass her drivers test A. 1.588 B) 0.614 C) 0.630 D) 0.386 Is it C? (0.17 x 0.27)

20. ## History

How does the story of the pandavas in the mahabharata relate to aryan history? the story provides a sense of the battles between rival aryan tribes the story shows us the aryan concept of the ideal king the story reveals that the aryans believed that duty

21. ## AP Physics

Two people are standing on a 2.2-m-long platform, one at each end. The platform floats parallel to the ground on a cushion of air, like a hovercraft. One person throws a 6.0-kg ball to the other, who catches it. The ball travels nearly horizontally.

22. ## college chemistry

a 1.0kg sample of metal with a specific heat of 0.50KJ/Kg C is heated to 100.0C and then placed in a 50.0g sample of water at 20.0C . What is the final temperature of the metal and the water?

23. ## math

there are 30 students and 4 teachers on a bus. What is the ratio of teachers to total people

24. ## math

A house was purchased for \$140,000. Three years later, the value of the house was \$155,000. If the value V of the house increased linearly from the date it was purchased, which of the following represents the value, in dollars, of the house t years after

25. ## math

Which property justifies each step? Problem A: 6a + (8b + 2a) = 6a + (2a + 8b)

26. ## Chem

Determine the theoretical yield of aspirin for a student who started the experiment with 3.489g of salicylic asid

27. ## physics

If a spherical glass marble has a radius of 0.00661 m at 1.02×105 Pa, at what pressure will it have a radius of 0.00650 m?

28. ## Geometry

ABCD is a parallelogram with diagonals intersecting at E. If AE = 3x + 12 and EC = 27, find the value of x.

29. ## Physics

A baseball of a mass 0.15 kg is thrown by a pitcher with a speed 20m/s. The bat is in contact with the ball for 0.01 second and gives it a speed of 30m/s in a direction straight towards the picther.find the value of the force and the impluse?

30. ## AP Physics

A honeybee with a mass of 0.175 g lands on one end of a popsicle stick (Active Example 9-2). After sitting at rest for a moment, the bee runs toward the other end with a velocity 1.47 cm/s relative to the still water. What is the speed of the 5.20 g stick

31. ## Algebra

DeSean throws a ball up with an initial vertical velocity of 30 feet per second from a platform that is at ground level. How long will the ball be in the air?

32. ## CHEMISTRY

Equilibrium Equation with Partial Pressures PCl3(g) +Cl2(g) PCl5(g)? An equilibrium mixture of PCl5(g), PCl3(g), and Cl2(g) has partial pressures of 217.0 Torr, 13.2 Torr, and 13.2 Torr, respectively. A quantity of Cl2(g) is injected into the mixture, and

33. ## music

twentieth-century music features more _____ instruments than music of other periods a. string b. percussion c. woodwind d. brass

34. ## geography

if you didn't understand a symbol on a map where would you look?

35. ## American government

help plzz summarize the specific methods used by interest groups in order to influence governmental decision making in all three branches of government. provide at least two examples from each branch

36. ## algebra

A rectangle has a length that is 10 less than 3 times the width. If the rectangle has an area of 8 square feet, what is the width of the rectangle. I have to find the answer in meters, some please give some assistance.

37. ## algebra

Which equation is the standard form of −56x+14x^2=−51? 14x^2−56x+51=0 14x^2+51−56x=0 −56x+14x^2−51=0 14x^2−56x−51=0 I do believe it is A or D, is one of these correct?

38. ## English

For each of the following sentences, you have to determine whether or not the pronouns were used correctly. If all of the pronouns in the sentence are used correctly, you have to write "correct" and identify the case of each pronoun (list the pronoun, then

39. ## physics

what happens to the amount of power a light bulb uses if the resistance of the bulb is increased?

40. ## Math

Without changing the order of the numbers below, insert parentheses and/or addition signs so that the computation results in the number described below. 4 3 6 1 A. The number is a multiple of 5. B. The number is a factor of 36.

41. ## Algebra

Write the equation for the conic section of the cone is centered at (0,0), the major axis is 10 units and the minor axis is 6 units. (Ellipse) Write the equation for the conic section if the vertex is (-6,4) and the focus is (-6,7) (Parabola) Write the

42. ## Math

4. Start time: ___________ Elapsed time: 3/4 hour End time: 10:30 A.M.

43. ## Maths

The ratio of girls to bus in Year 8 at a particular school is 2:5. How many total students are there in Year 8 if there are 26 girls?

44. ## MATH

Which ordered pairs are solutions to the equation? y = 3x – 4 A. (11, 5) and (2, 2) B. (5, 11) and (3, 2) C. (5, 11) and (2, 3) D. (5, 11) and (2, 2)

45. ## Biology

How can I describe the following things about water in sketches or drawings? please give me ideas 1.High heat capacity 2.High heat of vaporization 3.Water is a solvent 4.Water molecules are cohesive and adhesive 5. Frozen water is less dense than liquid

46. ## physics

Jessica stretches her arms out 0.6 m from the center of her body while holding a 2 kg mass in each hand. She then spins around on an ice rink at 1.1 m/s.

47. ## Math

The scale of a certain map is 1cm to 25km.What is the actual distance represented by 2.80cm?

48. ## Algebra

Solve by elimination. -4x + 9y = 9 x - 3y = -6

49. ## Science

A lead fishing weight with a mass of 57g absorbs 146 cal of heat. If its initial temperature is 48 C, what is its final temperature?

50. ## AP Physics

The lead female character in the movie Diamonds Are Forever is standing at the edge of an offshore oil rig. As she fires the gun, she is driven back over the edge and into the sea. Suppose the mass of a bullet is 0.013 kg, and its velocity is +725 m/s. Her

51. ## AP Physics

A person stands in a stationary canoe and throws a 5.16-kg stone with a velocity of 7.75 m/s at an angle of 31.5° above the horizontal. The person and canoe have a combined mass of 105kg. Ignoring air resistance and effects of the water, find the

52. ## math

What are the answers to the middle school math with pizzazz book e page 29?

53. ## Math

a poll found that a particular group of people read and average or 18.3 books per year. The pollsters are 99% confident that the result from this poll is off by fewer than 3.79 books from the actual average x. express this situation as an inequality

54. ## math

Write four arithmetic means between 35 and 98.

55. ## algebra 2

A player bumps a volleyball with an initial vertical velocity of 20 ft/s. The height of the ball can be model by the function h(t) = -16t2 + 20t + 4, where h is the height in feet and t is the time in seconds. a. What is the maximum height of the ball? (

56. ## math

scott bought two items at daves fruit market. the cashier told him that he owed \$5.49. why is the cashier incorrect? what did scott purchase? DAVE'S FRUIT MARKET grapes \$2.25/bag bananas \$ 1.99/bag strwberries \$3.40/box watermelon \$5.00

57. ## World History

What is the diffrence between totalitarianism and Fascism? which countries in WW2 went to which between the two? what where thier goals?

58. ## physics

Assume a planet is a uniform sphere of radius R that (somehow) has a narrow radial tunnel through its center. Also assume we can position an apple anywhere along the tunnel or outside the sphere. Let FR be the magnitude of the gravitational force on the

59. ## Literature

I did already ask a question similar to this, but I still need some more ideas. I can't think of anything (such as a story) that has to do with this topic "People only find strength through the weakness of others" Anything like a children's story to one

60. ## Literature

I need to come up with a metaphor for chapter 15 in "The Red Badge of Courage" In this chapter: Crane reveals in this chapter a person who rationalizes his behavior totally, a personality with delusions of grandeur—but with no basis for these

61. ## reflex

Which of the following is not an example of an occurrence that might spur a reflex action? heat choking walking fear if i could pick one, it would be walking because heat causes you to have a reflex and pull away and choking causes a reaction as well, as

62. ## English

Hi! I would like to know some PLOT TWISTING events in the story Walk Two Moons! If I could have at least one example directly from the story I will be very great full! Thanks!

63. ## Social Studies

Which of the following was a cause of the Great Depression? A. increases in migrant workers B. new music called jazz C. Americans buying with credit D. the prohibition of alcohol This is probable very easy but i'm very confused i think it's A. but if

30% of 50

65. ## Social studies

How did John browns raid at harpers ferry further increase sectionalism in the southern states

66. ## Math

One window washer can wash 30 windows in 2 hours. At this rate, how many windows can be washed in 8 hours by 3 window washers?

67. ## Science

What causes change in speed and direction or both

68. ## Science

Lucas place is 20 kg samples of each substance by the same heat source all samples are at the same intentional temperature which substance will have the greatest temperature at the sun. Of tiLucas place is 20 kg samples of each substance by the same heat

69. ## Math

PJ needs \$60 for a class trip. He has \$32 already saved and can earn \$4 an hour mowing lawns. How many hours must PJ work to have the money he needs? Write an Equation and solve

70. ## algebra

A rectangle has a width that is 3 less than twice the length. If the rectangle has an area of 170 square inches, what is the length of the rectangle? PLEASE HELP

71. ## algebra

A triangular lot in a park has a base with a measure that is 4 more than twice the height of the lot. The area of the lot is 99 square feet. Since the area of a triangle is found by using the formula A= 1/2bh, the area for this lot can be represented by

72. ## algebra

The width of a rectangle is 12 less than twice the length, and the area of the rectangle is 270 m^2 I do not know the steps to solving this equation, can someone please explain if you know how???

73. ## algebra

Legolas shoots a flaming arrow straight up into the air (from a distance of 2.6 meters from the ground) at 42 meters per second. The gravitational pull of the Earth is about 4.9 meters per second squared. Which quadratic equation correctly models this

74. ## algebra

Which of these expressions is equivalent to z^8–1? (z^4+1)(z^2–1)(z–1)(z–1) (z^4–1)(z^2–1)(z–1)(z–1) (z^4+1)(z^2+1)(z+1)(z–1) (z^4+1)(z^2+1)(z–1)(z–1) I Think it is either A or C, is one of these correct?

75. ## Math

Which of these expressions is equivalent to x^4–16? (x^2+4)(x–2)(x+2) (x^2–4)(x^2–4) (x+2)(x–2)(x+2)(x–2) (x^2–2)(x^2–2) I know it is not B or D. But I am not sure if it is A or C. Please help

76. ## algebra

Look at the system of equations below. If you were to substitute the first equation into the second, what would the result look like? y = 2x - 4 x - 3y = 7 a).2x - 4 - 3y = 7 b).x - 3(2x - 4) = 7 c).x - 2x - 4 = 7 d).x - 7 = 2x - 4 I really need help with

77. ## algebra

How is the process of solving literal equations different from solving equations with only one variable? I have looked over my notes, and me lessons, but I can not come up with a good answer, or explanation;( Please help, it would be very much

78. ## Math

Convert the following to a rational exponent. What is your exponent in simplest form? cuberoot(9^12) a).3/12 b).1/4 c).4 d).12/3 I think the answer is is d.

79. ## Algebra 9th

There is currently 2 inches of snow on the ground in a certain Massachusetts city. Every hour, another 0.5 inches covers the ground. Model the total amount, T, of snow on the ground for h, the number of hours the snow has been falling. A. T(h) = 0.5h - 2

80. ## Math

[7+2(5 - 9)2]/[(4+1)2 - 3(22)

81. ## Chemistry

Why are the atomic masses of elements usually decimal numbers?

82. ## Chemistry

Perform this operation and report the answer to the correct number of significant figures: What is the mass of a cube of aluminum that is 4.0 cm on each edge? The density of aluminum is 2.7 g/cm3. Show all calculations leading to an answer.

83. ## Math

Teaghan plays basketball. She scored 18 of her 20 last free throws. ___ A) What are her odds in favour of her scoring a free throw? ___ B) What are her odds against of her scoring a free throw? ___ C) What is the probability of her scoring a free throw?

84. ## Math

Insert parentheses and/oraddition signs to make each equation true. Remember that parentheses can indicate multiplacation. A. 3 2 4 1= 13 B. 3 2 4 1= 21 C. 3 2 4 1= 12 D. 3 2 4 1= 10

85. ## English

What is an external conflict in act one of Julius Caesar?

86. ## Geometry

What are the values of a and b? A. a=9/2 b=15/2 B. a=15/2 b=9/2 C. a=16/3 b=15/2 D. a=9/2 b=13/2 The triangle has a hypotenuse that is 8 and a with the other side being 10 and another side of b. the altitude is 6.

87. ## Hisory

I have some questions from a study guide that I can't find information on. What practices did Kublai Khan follow? What was significant about the size of the Mongolian empire? What was the effect of the Mongol conquest of Korea ?

88. ## Social Studies

Would surviving the holocaust affect religion or spirituality? Why?

89. ## physics

A brick is dropped (zero initial speed) from the roof of a building. The brick strikes the ground in 3.05 s. You may ignore air resistance, so the brick is in free fall. (a) How tall, in meters, is the building? (b) What is the magnitude of the brick's

90. ## physics hw

Determine the stopping distances for a car with an initial speed of 87 km/h and human reaction time of 2.0 s for the following accelerations. (a) a = -4.0 m/s2 (b) a = -8.0 m/s2

91. ## Math

Justine has 162 red buttons, 98 blue buttons, and 284 buttons. She says she knows she has more than 500 buttons without adding. How can we explain that without adding?

92. ## Math

What is an estimate of the solution of the equation 6n+3=2? Use a table ok so I know the answer is -1/6 but its asking to use a table? does anyone know what kind of table you use for this and how I'd use it? thank you soo much

93. ## Math

Mary has 2/5 of a mile to walk harry needs to go 3/4 times as far as mary???

94. ## physics

a diver of mass 60kg stands on the end of a diving board of mass 30kg and length 2m. calculate the force exerted by the spring 30 cm away from the pivot. (i think that the force asked is 300N since W=mg (30×10)) hence, calculate the upward reaction force

95. ## math ASAP

A rope was cut into two pieces in the ratio 7:9 if one was longer by 6cm,what are the lengths of the two pieces? a.21 cm and 27 cm b.24 cm and 30 cm c.26 cm and 32 cm d.31 cm and 37 cm Please help me how to answer this..its for my report thank you

96. ## Math

Ronnel spent 1/5 of his money to buy a food. He spent 1/4 of the remaining money to buy a magazine.If he had 360 pesos left in his wallet, how much money did he have at first?

97. ## Math

5. Start time: 7:30 P.M. Elapsed time: ____________ End time: 9:29 P.M.

98. ## Math

3. 270 min = ____hr ____min

99. ## Math

2. 260 wk = ____yd