# Someone

Most popular questions and responses by Someone
1. ## Spanish

In which country is baseball more popular than soccer? A. la Repúplica Dominicana B. Argentina C. Espana D. Perú I think the answer is B, am I correct? If not B then C.

2. ## Chemistry 1

Calculate q when 22.0 g of water is heated from 25.0°C to 100.0°C.

3. ## Algebra 1

The area of a rectangular pool is given by the trinomial 2y^2+5y-42 . What are the possible dimensions of the pool? Use factoring. a. 2y+7 and y-6*** b. 2y-2 and y+6 c. -2y-7 and -y-6 d. 2y-7 and y+6 tbh im guessing. i have no clue. can someone help

4. ## Calculus

A particle moves along the x-axis with position function s(t) = e^cos(x). How many times in the interval [0, 2π] is the velocity equal to 0? 1< My answer 2 3 More than 3 I don't really get this question will someone please explain it to me?

5. ## Calculus

if f(x)= |(x^2-9)(x^2+1)| how many numbers in the interval [-1,1] satisfy the mean value theorem? None 1 2 3 Will someone please explain in detail?

6. ## algebra

1. write an algebraic expression for the word phrase: the quotient of r and 12 a.r * 12 b.r/12**** c.r-12 2. write a word phrase for the algebraic expression: 2t - 9 a.nine fewer than two times a number t***** b.nine fewer than two times a number t c.nine

7. ## math 2

Prove that (cos40-sin30)/(sin30-cos50)=tan50

8. ## Calculus

a 160-inch strip of metal 20 inches wide is to be made into a small open trough by bending up two sides on the long side , at right angles to the base. the sides will be the same height , x. if the tgrough is to have a maximum volume, how many inches

9. ## math

Vivian is going to do some yard work, but she needs to leave her house at 2:00 to go to a football game. She is going to mow the lawn for 1 hour and 15 minutes, trim some bushes for 40 minutes, and put down some mulch for 25 minutes. She will also need 30

The radius of a 12 inch right circular cylinder is measured to be 4 inches, but with a possible error of ±0.2 inch. What is the resulting possible error in the volume of the cylinder? Include units in your answer.

11. ## Math

Find the surface area of the prism 5m 9m 12m 1.426m 2.306m

12. ## Roman history

Which fact most clearly shows the difficulty in defending the Roman empire against invasion? A. At its height, the empire likely had a population as high as 100 million. B. At its height, the empire comprised nearly 1.7 million square miles of land and

13. ## HELP MATH ONLY 1 QUESTION!!!!!!!!!!!!!!!!!!!!!!!!!

you draw five card from a standard deck of 52 cards p(heart)=4/5. what type of probability is illustrated and why?? 1) Theroretical ; the result is based on then number of possible outcomes 2) Theroretical; the result is found by repeating an experiment

14. ## Calculus

The end behavior of f(x)=(2+x^2)/(x^2-36) most closely matches which of the following: y=1 y=-1 y=2 y=0 There is no leading coefficient so I am not sure what the answer is.

15. ## chemistry

For Hg2+(aq) + 2e -> Hg(l) E=0.851 V This means that: A) Hg(l) is more readily oxidized than H_2(g); B) Hg^2+(aq) is more readily reduced than H^+(aq) C) Hg(l) will dissolve in 1 M HCl D) Hg(l) will displace Zn(s) from an aqueous solution of Zn^2+ ion

16. ## ap chemistry

Discuss briefly the relationship between the dipole moment of a molecule and the polar character of the bonds within it. WIth this as a basis, account for the difference between the dipole moments of CH2F2 and CF4. does anyone have any idea? the greater

17. ## Chem 3

A 2.00 kg piece of granite with a specific heat of 0.803 J/g·°C and a temperature of 95.0°C is placed into 2.00 L of water at 22.0°C. When the granite and water come to the same temperature, what will that temperature be?

18. ## Social studies

what effect did john hay's open door policy letters have on the imperial powers of britain france germany russia and japan? A:it provoked the imperial powers to declare war on the United States B:it caused the imperial powers to restrict trade in their

19. ## SCIENCE HELP PLZZZZZ! ONLY ONE QUESTION!

Which of the following correctly describes how nerve impulses move throughout the body? A. Electrical transmission through neurons and elecrical transmission between neurons. B. Chemical transmission through neutrons and chemical transmission between

20. ## math

Find the volume of a cone with a radius of 10 mm and a height of 6 mm.? 628 mm3 600 mm3 1,884 mm3 1,254 mm3 is it c

21. ## Chemistry

A metal, M, of atomic weight 96 u reacts with fluorine to form a salt that can be represented as MFx. In order to determine x and therefore the formula of the salt, a boiling point elevation experiment is performed. A 10.9 g sample of the salt is dissolved

22. ## SCIENCE HELP! ONLY ONE QUESTION!

Which of the following correctly describes how nerve impulses move throughout the body? A. Electrical transmission through neurons and elecrical transmission between neurons. B. Chemical transmission through neutrons and chemical transmission between

23. ## Physics

a diver running 1.6m/s dives out horizontally from the edge of a vertical cliff and reaches the water below 3.0s later. how high was the cliff and how far from its base did the driver hit the water?

24. ## Chemistry

The heat of combustion of liquid hexane (C6H14) to carbon dioxide and liquid water at 298 K is -4215 kJmol−1 . Find ΔrU of the reaction.

25. ## Physics

a shot-putter throws the shot with an intial speed of 14 m/s at a 40 degree angle to the horizontal. Calculate the horizontal distance traveled by the shot if it leaves the athlete's hand at a height of 2.2m above the ground. t=2.06? x=22.08? am i right?

26. ## science

Which of the following statements about the Moon is true?

27. ## chem.

Diet Coke has a pH of about 3.0. Milk has a pH of about 7.0. How much greater is the H+ ion concentration of Diet Coke when compared to milk? - Would it be 1x10^4 greater concentration

28. ## HELP MATH 1 QUESTION!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

a number cube is rolled 120 times. the number 4 comes up 47 times. what is the experimental probability of rolling a 4 A) 47/120 ; 1/30 B) 47/120 ; 1/6 C) 4/47 ; 1/6 D) 1/6 ; 47/120

29. ## geography

Where in Europe are the Romance languages mainly spoken? Central Europe Northwestern Europe Southern Europe Western Europe

30. ## math

Valerie tells Robbie, "I'm thinking of a number between 1 and 50. If I divide the number by 4, then add 5, then subtract 6, I get 6. i tried 12,24,36,48,42 its non of those

31. ## chemisrty

What is the ratio of the average velocity of hydrogen molecules to that of neon atoms at the same temperature and pressure?

32. ## English

(1) Sale looked at the map one more time. (2) She knew that the whole troop was depending on her. (3) Sal couldn't decide if the trial was to the east or to the west. (4) The map was confusing. (5) Sal was tired. (6) She needed to make a decision. 1. Which

evaluate the table and find d/dx [g[f(2x)]] at x=1 f(x) 6,1,6,2 f'(x) 1,2,5,7 g(x) 1,4,4,3 g'(x) 4,5,5,-4

34. ## Calculus

The radius of a 12 inch right circular cylinder is measured to be 4 inches, but with a possible error of ±0.2 inch. What is the resulting possible error in the volume of the cylinder? Include units in your answer. V = πr²h = 16πr² dV/dr = 32πr dV =

35. ## Physics

On Planet X, an astronaut has maximum walking speed of 1.9 m/s. The astronaut's legs are each 1.3 m long. What is the constant of acceleration due to gravity on Planet X?

36. ## statistics

Hey. I am having problem with stem leaf plot diagram. Heres the data I need to make steam leaf plot out of: 1.7 5.7 7.6 8.7 9.8 12.0 13.2 13.6 14.6 15.8 16.0 17.5 19.3 21.5 21.8 23.8 24.4 27.7 33 33.0 34.4 35.4 Can someone tell me how I would do that?

37. ## English 12

can someone check my answers please? 1. Which of Yeats's poem opens with the symbol of a gyre, a spiral spinning out of control? (1 point) "Sailing to Byzantium" "The Second Coming"(My Answer) "When You Are Old" "A Prayer For My Daughter" 2. Which of the

38. ## Chem

A particular balloon is designed by its manufacturer to be inflated tom a volume of no more than 2.5 L. If the balloon is filled with 2.0 L of helium at sea level, is released, and rises to an altitude at which the atmospheric pressure is only 500. mm Hg,

39. ## Calculus

The end behavior of f(x)=(2+x^2)/(x^2-36) most closely matches which of the following: y=1 y=-18 y=2 y=0 I still don't get this based on steve's answer will someone please help?

40. ## history

( ) around my answer. If nothing is there then i don't know What is one important achievement of the Incas? A. a written language B. a system of democratic government C. a system of roads and bridges D. an accurate calendar What is one way in which the

41. ## AP CHEMISTRY

The molar mass of an unknown organic liquid (M~100) is determined by placing 5 mL of the liquid in a weighed 125-mL conical flask fitted with a piece of Al foil with a pin hole in it. The flask is heated in a boiling water bath until the liquid evaporates

42. ## Social Studies

what important feature do Confucianism and filial piety share

43. ## chemistry

What are the 4 main components of air in their molecular form?

44. ## Spanish

I need help! The question is Which word best completes the following sentence? The standard variety of Spanish is considered A. Natural B. Colorful C. Easy D.neutral I think that it’s a, is that right?

45. ## Home economics

List and explain five branches of home economics which are inter related

The radius of a 12 inch right circular cylinder is measured to be 4 inches, but with a possible error of ±0.2 inch. What is the resulting possible error in the volume of the cylinder? Include units in your answer. my answer 30.16

47. ## Algebra

Write the ratio 16:24 in simplest form 1:2 4:3 3:4** 2:3 @Mrs.Sue can you please check my answer

48. ## Science help.

1. The ___ is the outer, thinnest layer of your skin, which houses sweat pores. (1 point) epidermis dermis fatty layer hair 2. One of the purposes of sweat glands is to release waste products, such as water and _____. (1 point) blood dirt sugar salt 3.

49. ## Compound interest

Hello My teacher skipped over this and I have no clue how to do this or the equations. Help would be wonderful thank you If 6000 dollars is invested in a bank account at an interest rate of 10 per cent per year, find the amount in the bank after 15 years

50. ## Math

James and Becky have a total of 4 2 over 8 feet of yarn. Becky has 1 5 over 8 feet of yarn. How many feet of yarn does James have?

51. ## chemistry

When using science to investigate physical phenomena, which of the following is NOT a characteristic of the event must exist? measurable falsifiable observable readable

52. ## algebra

Which of the following expressions is true? a. 4^3 * 4^5 < 4^12 b. 5^2 * 5^3 > 5^5 c. 3^2 * 3^4 = 3^2***** d. 5^2 * 5^4= 5^8 Which of the following expressions is true? a. 2^4 * 2^4 >2^7***** b. 3^2 * 3^6= 3^7 c. 4^3 * 4^5< 4^8 d 5^2 * 5^3 = 5^6 Please

53. ## Chem 2

Using values from Appendix C in your textbook, calculate the value of ΔH° for the reaction 4 NH3(g) + 5 O2(g) → 4 NO(g) + 6 H2O(g)

54. ## physics

a shot-putter throws the shot with an intial speed of 14 m/s at a 40 degree angle to the horizontal. Calculate the horizontal distance traveled by the shot if it leaves the athlete's hand at a height of 2.2m above the ground. i got to answers which is

55. ## math

One wet weekend, 0.86 inches of rain fell on Saturday. The next day, 1.52 inches of rain fell. How many inches of rain fell over the weekend? i need help I've been stuck on this for 30 minutes

56. ## Physical Ed

11. Disagreements are a normal part of life. (1 point) True False 12. Talking to a trustworthy adult is the best way to stop sexual abuse and get help. (1 point) True False 13. Some conflicts are made worse by peer negotiation. (1 point) True False 14.

57. ## algebra

Jorge is painting a rectangular mural. Its length is 2 ft less than twice its width. Its area is 264 ft2. Find the dimensions of the mural.

58. ## chemistry

What is the atomic number of potassium? 2 19 20 39 I know it's not 2 but other than that I'm not sure.

59. ## math

Jill ran 6 1/4 miles at practice today. Amanda ran 3 7/8 miles at practice today. How many more miles did Jill run

60. ## civics

There is a public debate between the three candidates for the U.S. Senate. During the debate, the topics of oil and energy are addressed. Each candidate expressed their view on the issue: Edgar Eisenhower: "We need to cut our dependence on foreign oil.

61. ## MATH

what is the diameter of a circle with a circumfrence of 47.1

62. ## physics

The two small spheres each with mass m= 25g are hung by silk threads length L=.65m from a common point. When the spheres are given positive charge such that q1=2q2, each thread hangs stationary at theta=15 degrees from the vertical. Using Newton's first

63. ## science

Infiltration is the process by which rainwater becomes; A. Saltwater B. River water C. Ground water D. Ocean water

64. ## Social studies

When did the Romans take over Italy? A: By 500 BC B: By 267 BC C: 125 BC D: By 100 AD

65. ## Calculus

Find the x-coordinates where f '(x) = 0 for f(x) = 2x + sin(2x) in the interval [0, 2π]. MY ANSWERS: x = π/2 x = 3π/2

66. ## physical

the ability to exert muscle force quickly is known as 1) agility 2) power 3) recation time 4) speed I need help! Plz anyone!

67. ## physics

A hunter aims directly at a target (on the same level) 120 m away.? (a) If the bullet leaves the gun at a speed of 250 m/s, by how much will it miss the target? (b) At what angle should the gun be aimed so as to hit the target?

68. ## SS

"Immaigrants who arrive in American cites are poor and frightened. they are helped to find jobs and housing. These newcomers should show their gratitude at voting time" Who most likely would have said this? A-political Boss--- B-Factory owner C-labor union

69. ## Math

solution to (4 x 10^3) x (6 x 10^6) written in scientific notation 24 x 10^9 2.4 x 10^9 THIS ONE 24 x 10^18 2.4 x 10 ^10

70. ## math, algebra

1. what is the LCD for 3/5 and 1/6 2. what is the difference between 3/7 and 1/14 and so on plz help me

71. ## Math

Given a scale factor of 2, find the coordinates for the dilation of the line segment with endpoints (-1,2) and (3,-3)

72. ## geography

Which islands are part of the Greater Antilles? Aruba Cuba Hispaniola Jamaica Martinique Montserrat Puerto Rico

73. ## Social Studies

I have 4 major events for my portfolio i just need one more could you help me? I already have World War II, Communist Revolution, Climate change, and Cold War. I need one more major event that happened in China.

74. ## Physics

Tarzan, whose mass is 76 kg, travelling at 9.5m/s, grabs from the bottom of a 1.5 m long vine and swings upward. a) Calculate the maximum height of Tarzan. b) Calculate the angle at which the vine makes with the vertical at his maximum height.

75. ## physics

A 156 gram 8 ball rolls across a pool table at 2 m/s when it collides with a 7 ball of equal mass rolling in the opposite direction at 1.5 m/s. The 8 ball bounces backwards at 1 m/s. Find the momentum of the 7 ball.

76. ## math

The number of bacteria in a culture is modeled by n(t)=1710e071t (a) The initial number of bacteria is (b) The relative rate of growth of this bacterium population is (c) The number of bacteria after 3 hours is (d) After how many hours will the number of

77. ## Algebra

-your school club decides to hold a fundraiser by selling trail mix, and you are in chrage of making the mix. You plan to offer two mixes, Country Blend and Premium Mix, each sold in one pound bags. Each pound of Country Blend consists of 1/2 pound of

78. ## Civics

Ms. Sue please help In what way do mixed and market economies support the ideals of democracy

79. ## Math

he number of bacteria in a culture is modeled by n(t)=1710e071t (a) The initial number of bacteria is (b) The relative rate of growth of this bacterium population is (c) The number of bacteria after 3 hours is (d) After how many hours will the number of

80. ## Math

For this problem my equation is Y=70+110e^kt but i keep getting it wrong any suggestions? A roasted turkey is taken from an oven when its temperature has reached 185 Fahrenheit and is placed on a table in a room where the temperature is 75 Fahrenheit. (a)

81. ## math

For this problem my equation is Y=70+110e^kt but i keep getting it wrong any suggestions? A roasted turkey is taken from an oven when its temperature has reached 185 Fahrenheit and is placed on a table in a room where the temperature is 75 Fahrenheit. (a)

82. ## Physics

how far must you swim upstream to get directly in front of a pizza stand .2 km away on the other side of a river if you can swim 4km/hr and the river moves downstream at 1.5km/hr

83. ## SCIENCE

Why does one feel difficult to breathe in a deep well while cleaning it?

84. ## SOCIAL STUDIES

1. which is an event of the progressive era enacted by the local government in South Carolina? a. the first grange chapter was established for farmers b. the grandfather clause gave poor whites the right to vote c. blacks were disfranchises through a poll

85. ## Trig

Prove that : (Sin Ө + Cosec Ө)/(Tan Ө+Cot Ө) = Sin Ө + Cos Ө

86. ## physical education

why are all the pe teachers the ones that need to be the one in physical education so they could lose weight because they are the ones that are always fat and out of shape

87. ## social studies

19. Identify two problems resulting from urban sprawl in the western region of the United States. If these problems are not solved, what will the outcome likely be? (5 points) I don't want the answer, my question is what was the Urban Sprawl?

88. ## Physical science

Using the kinetic theory and explain why the weather balloon will burst at high heights?

89. ## english

Write a four paragraph literary essay in response to the following question. Be sure to include a thesis statement in your introduction, provide textual evidence in the body paragraphs, and end the essay with a strong conclusion. You may use your books and

90. ## Math

what is y+19=9 plz help me i don't understand this im in 7th grade >.>

91. ## algebra 2

Is 1/2 sin 2x the same expression as sin x? Justify your answer.

92. ## Social Science

can you please unscramble this name of the animal .. conshorier ????

93. ## math

Surfact of A lake is 31 feet above the surface of B lake. B lake is half as deep as A Lake and the bottum of the B lake is 8 feet below the bottom of A Lake. how deep is each lake?

94. ## Math

If a gardener has 337481trees and you devied it by 378what I our answer

95. ## Algebra

BIll uses x for the cost of a computer game. He buys seven games. Write this as an algebraic expression

96. ## math

identify the decimal and simplify fraction from of %80

97. ## Social Studies

Compare and contrast the economies of Chile and Venezuela. I really need some help on this can someone name the similarities and differences pleace?

98. ## math

lance made 10 dozen cookies. He made 25 percent chocolate chip, 25 percent peanut butter, and the remaining 50 percent oatmeal raisin. How many of each type of cookie did he make?

99. ## Chemistry

C(s) + H20(g)↔ CO(s) + H2(s) the equilibrium constant for this reaction is 4.251 x 10^-2 at 800 K. if the equilibrium concentration of H2O(g)is 0.1990 M, what are the concentrations of CO, H2, and C?