Vicky

Most popular questions and responses by Vicky
1. Language Arts

1.)Which of the following sentences contains parallelism? a.)We sold two bikes at the garage sale, and we also sold four chairs, as well as receiving offers for three lamps. b.)I prefer new things, but some people like to buy things that other people have

2. math

how to calculate vertical angle of cone

3. physics

a vehicle is accelerating on a straight road. Its velocity at any instant is 30 km/hr, after 2 s, it is 33.6 km/hr and after further 2 s, it is 37.2 km/hr. Find the acceleration of vehicle in m/s^2

4. science

HOW MANY ATOMS OF OXYGEN ARE PRESENT IN 8.8G OF CARBON(IV)OXIDE

5. Math

A pair of fruit flies reproduces and has 1,000 offspring. All 1,000 offspring have the alleles Gg. What is the most likely combination of alleles that each parent has, and why are other combinations not likely? Explain your answer.

6. Chemistry

What is the balance half-equation for this conjugate redox pair permanegate ion and MnO2

7. math

Elle is 6 years younger than Felicia. Marta is twice as old as Felicia. If Marta is w years old, a) find the age difference between Marta and Elle. b) write an expression that shows the three girls' average age. Show how you found the answers.

8. Social Studies Help ASAP

Why did the British want to expand control into the Ohio Valley in the mid-1700s? a. to force the French out of North America b. to put French settlers there under English rule c. to demonstrate Britain’s strength to France and Spain d. to gain access to

9. statistics

find the number z such that the proportion of observations are less than z in a standard normal distribution is 0.8

10. Calculus AP

Evaluate the integral interval from [0 to pi] t sin(3t)dt Use integration by parts u=t and dv=sin(3t)dt. then du=dt and v=-cos(3t)/3 here is my problem but Im having problem to solve with pi. ∫t sin(3t)dt = -tcos(3t)/3 - ∫[-cos(3t)/3]dt =-tcos(3t)/3 +

11. chemistry help

A solution of thiosulfate ions has been prepared by dissolving 4.5g of Na2S2O3.5H2O in 250 ml of solution. Calculate the concentration of the thiosulfate ions S2O3^2- in the solution

12. One more Social Studies Help

Why did the British feel justified imposing the Stamp Act on the colonists? Select two. a. Similar stamp taxes were already used in England and Europe. b. The taxes protected colonists from Native Americans. *** c. Britain had spent money protecting

13. math

Telephone company A charges \$3.00 for the first minute of any long distance call and \$0.50 for each additional minute. Telephone company B charges \$2.00 for the first minute of any long distance call and \$0.70 for each additional minute. If the cost of a

14. Math

at a large state university, 60% of the students who apply are accepted. Of those who are accepted, 40% actually enroll. If 20,000 students apply, how many actually enroll?

16. Finance

) What is your Average Payment Period if your Accounts Payable are \$20,000, cost of Goods Sold is \$200,000, and Sales are \$500,000?

17. math

A tank is 5/7 full, when 440 litres are removed it goes to 2/5. How much litres does it contain in full capacity

18. math

I'm having trouble on how to figure something out. The question says a pizza place uses 5 toppings (a,b,c,d,e). How many different combinations can be made with the pizzas having 3 different topping? A

19. chemistry

How could you prepare: a ) 2-chloropropane from 2-propanol? b) 2-butanone from 2-butanol? c) ethyl acetate CH3COOC2H5 from ethanol? d) 2-methyl-2-butene from 3-methyl-2-butanol?

20. chemistry

The analysis of halogenated hydrocarbon gave the following results: A sample of mass m=255mg produces 273.7 mg carbon dioxide and 130.6 mg of water .A second sample of mass 87 is treated by hot molten sodium .The obtained mixture is dissolved in distilled

lim ((x^2-64)/(x+8)) x->-8

22. math

how to calculate vertical angle of cone

23. math- precal

If a ball is hit with an initial velocity of 110 feet per second at an angle of 45 degrees from an initial height of 2 feet, how long will it be in the air?The following parametric equations are used to represent the location of the ball after t seconds.

24. chemistry

25ml of 0.01M KIO3 solution were put to react with an excess of KI. 32.04ml of the sodium thiosulfate solution were needed to titrate the triiodide ions that were present . What is the molar concentration of thiosulfate in the solution?

25. Math help

How many squares in this figure? (1 point) 4.) 15 5** 20 10** Crystal wants to put a fence around her vegetable garden.Her garden is 5 ft wide and 4 ft long.She plans to put a post at each corner and at every foot.How many fence posts will Crystal need? (1

26. Biology

GENETICS PRACTICE PROBLEMS Worth 10 points each problem is either right or wrong 1. In humans, assume that brown eyes (B) are dominant over blue eyes (b). A blue eyed man, both of whose parents were brown eyed, marries a brown eyed woman whose father was

27. MATH

Mimo wishes to leave a waitress a tip. Mimo has five coins in his pocket, a penny, a nickel, a dime, a quarter, and a half-dollar. If he uses exactly three coins for the tip, how many different tips are possible? A. 15 B. 5 C. 20 D. 10 Crystal wants to put

28. anatomy

For my anatomy class, I need a to make a human bone such as a femur or any other bones in the human body. Any suggestions on a website?

29. chemistry

A sample of a breathing mixture for divers comtained 34.3% helium, 51.7% nitrogen, and 14% oxygen, by mass. What is the density of this mixture at 22degree celcius and 755mmHG?

30. math check my answer ?

What is the range of f(x)=−3x−1? the set of real numbers less than 0 the set of real numbers greater than 0 the set of real numbers greater than −1 the set of real numbers less than −1

31. social studies

what is texas important important service industries I don't know what you mean by "important". Major employers of service type jobs are fast foods, cleaning, police, maintenance and repair organizations (automobile, aircraft, building), and state and

32. Math

Using 27 blue patches and some white patches to make a quilt.The quil has a total area 540 Square inches. Each patch has an area of 5 Square inches .How much how much of the area of the quilt is white

33. chemistry

For the equilibrium: H2 + I2 2HI The equilibrium konstant Kc is equal to 50.5 at 448ºC. If [H2]o=[I2] o= 1 mol/l. What will the concentration of H2, I2 and HI be at equilibrium

34. Governement

Please explain the Voting Rights Act of 1965

35. Government

I am looking for help. I have read this article in the New York Times Several times. It is a lengthy article. It is "A Genratin Hobbled by the soaring cost of college bt Andrew Martin and Andrew Lehran. I cannot figure out the authors purpose or what the

Multiple choice (show your work if any):  1) Two point charges q1=-10^-5 C and q2=-9×10^-5 C are placed respectively at two points A and B 40 cm apart. The electric field is null at a point C of [AB] such that :  a) AC=50cm b) AC=10cm c) AC=20cm d)

37. Social Studies

If you were a reform-minded person who, above all, loathed the social problems associated with alcohol, you would have been especially sympathetic to the A. Comstock Law. (B.) WCTU. C. Mugwumps. D. evangelical efforts of Dwight L. Moody. I chose B is this

38. critical thinking

9. We shouldn’t take a chance on this new candidate. She’s from Alamo Polytech, and the last person we hired from there was rotten. Trying to figure out the Premise and Conclusion. Premise: She's from Alamo Polytech, the last person we hired from there

39. English

I need help in writing a summary for the article posted in the new york times. The article is Texting may be taking a toll by Katie Hafner.

40. Physics

Vectors and Scalars Graph 1. determine the total distance traveled and the displacement made. A. 5.0 km 15 degrees east of north B. 5.0 km 20 degrees east of south C. 5.0 km east D. 5.0 km 30 degrees south of west E. 5.0 km 20 degrees east of south F. 5.0

41. Chemistry

What is the value of the rate constant at 17 degrees celsius? The Ea = 122 kJ/mol I know I have to use ln k = ln A - Ea/RT.. but I don't know how to calculate it without known ln A and how do you find ln A Thank you for your help!

42. physics

A helicopter is ascending vertically with a speed of 5.20 m/s. At a height of 120 m above the Earth, a package is dropped from a window. How much time does it take for the package to reach the ground? [Hint: v_0 for the package equals the speed of the

43. physics

While exploring a cave, a spelunker starts at the entrance and moves the following distances: 75.0 m north, 275 m east, 215 m at an angle 30.0° north of east, and 150 m south. Find the resultant displacement from the cave entrance.

44. socila studies

what is texas important land form I don't know what you mean by "important" The Texas coastal plain, the Hill country, the western desert, and the Northern high plains, and of course, the Trans-Pecos region of the Rocky Mountains. I suggest you do an

45. Science. plz help!!

What is the physical and chemical characteristics of the element neon? p.s- a really need help i'm not joking. oh yeah and thank you for your time! I think I answered this last night but it may not have been your question. Anyway, go to www.webelements.com

46. physics

The index of refraction of water for a given monochromatic light in water is n=4/3. The wavelength of this light in water is 500nm.  a) find the speed of this light in water.  b) find the energy of one photon of this light . Does this energy change if

47. physics

A pendulum is formed of a particle of mass 100g suspended from the end of an inextensible string of negligible mass and of length L=100cm. The pendulum is shifted by an angle of 60 degrees from its equilibrium position about a horizontal axis passing

48. chemistry

Consider an isomeric mixture of alkenes of molar mass M=70g/mol. Determine the molecular formula of the alkenes.

49. French

Whats the partitive article for Je n'ai pas gateau?

50. english

I need help on doing a literary research paper.

51. English

Can you recommend so websites for an assignment I am doing on the ancient origins of Valentine's Day and how it was celebrated in ancient times and today?

52. physical science

A rectangular container measuring 16cm times 46cm times 67 cm is filled with water what is the mass of this volume of water in kilograms and grams? (take the density of water to be 1000 kg/m cube

53. Finance

) If a stock pays a dividend of \$1.30 annually, has earnings-per-share of \$4.50, and closed yesterday at \$76.50, then which of the following statements is true? (Approximation is fine!) a. The dividend payout ratio is 82.8% b. The dividend yield is 5.7% c.

54. algebra

I am having trouble anwering the following problem: The test scores from Mrs. Gray's math class are shown below. 72, 73, 66, 71, 82, 85, 86, 89, 91, 92 Construct a box-and-whisker plot to display this data. I don't know how to begin answering this problem

55. Earth

1. The great galaxy in Andromeda has an angular diameter along its long axis of about 5^0. Its distance is about 2.2 million light years. What is its linear diameter? angle*distance= arc distance. You need the angle in radians to do this.

56. physics

A pendulum is formed of a particle of mass 100g suspended from the end of an inextensible string of negligible mass and of length L=100cm. The pendulum is shifted by an angle of 60 degrees from its equilibrium position about a horizontal axis passing

The magnetic field strength along the axis (x'ox) of a solenoid is measured ( o being the center of the solenoid). The adjacent graph represent the length: (The graph represents the variation of B (mT) as a function of x (cm). The numbers on the y axis are

Multiple choice (show your work if any):  1) Two point charges q1=-10^-5 C and q2=-9×10^-5 C are placed respectively at two points A and B 40 cm apart.   The electric field is null at a point C outside [AB] such that :  a) AC=50cm b) AC=30cm c) AC=20cm

59. English

How do i go about writing an essay whose topic is "Sports- General, types of fans and influence on culture?"It is under classification and division in Successful College Writing.

60. American History

Which of the following statements is most accurate regarding America's political climate between 1876 and 1896? A. Southern states tended to vote Republican. (B.) The influence of the president over Congress diminished. C. The party that won the

61. health care

I have to do a debate on breaking bad news medically. I have the con side to it. Can you recommend some sites

62. math

the number of students at a university increases from 8000 in 1970 to 20,000 in 2000. what was the percent increase in enrollment from 1970 to 2000?

63. Science

Who is the author of this article Where is the article taking place? When was the article written: This is the article: "Robotics" World of Computer Science. Gale, 2002.

64. english

i am looking for the main topic in this paragraph would it be In society today more and more people are making the wrong choices to protect their wellbeing and overall health. In society today more and more people are making the wrong choices to protect

65. physics

The index of refraction of water for a given monochromatic light in water is n=4/3. The wavelength of this light in water is 500nm. a) find the speed of this light in water. b) find the energy of one photon of this light . Does this enerdy change if this

66. chemistry

One has a solution Sa of ethanoic acid of concentration Ca=1×10^-2 mol/l and pH=3.4  One mixes a volume Va=60ml of the solution Sa of ethanoic acid with a volume Vb1=20ml of the Sb1 solution of ammonia of concentration Cb1=2×10^-2 mol/l. The pH is 5 One

67. chemistry

One has a solution Sa of ethanoic acid of concentration Ca=1×10^-2 mol/l and pH=3.4 One mixes a volume Va=60ml of the solution Sa of ethanoic acid with a volume Vb1=20ml of the Sb1 solution of ammonia of concentration Cb1=2×10^-2 mol/l. The pH is 5 One

68. physics

A train travelling at 30km/h stops when it's brakes are applied. The train suffers a deceleration our 2m/s. @. How long does the train take to come to rest? b) what is its final velocity?

69. physics

The self induced e.m.f created in a coil has the value of 24mV at the instant when the current is 4A and varies at the rate of 10A/s. What is the value of the self magnetic flux kn the coil at this instant?

70. Statics

In a first semester unit there are four tests each of equal weight i.e. each worth 25%. Your average on the first three tests has been 62%. You need to get an overall average of 65% to proceed to the second semester. What percentage should you try to get

Two point charges q and q' are placed respectively at two points A and B. Let O be the midpoint of [AB]. Charge q placed at A creates at O an electric field of strength E=9×10^6 V/m.  Determine the resultant electric field at O when:  a) q'=q  b)

Two point charges q and q' are placed respectively at two points A and B. Let O be the midpoint of [AB]. Charge q placed at A creates at O an electric field of strength E=9×10^6 V/m. Determine the resultant electric field at O when: a) q'=q b) q'=-q

Multiple choice (show your work if any):  1) Two point charges q1=-10^-5 C and q2=-9×10^-5 C are placed respectively at two points A and B 40 cm apart. The electric field is null at a point C of [AB] such that :  a) AC=50cm b) AC=10cm c) AC=20cm d)

74. Homeschool

A ibc with no lid is made by cutting four squares if side length x from each corner of a 10 cm by 20 cm rectangle sheet of metal. Sketch the graph of the function and state restriction 250 200 150 100 50 -5. 5. 10. 15 -50 -100 -150 -200 -260

75. social studies

Why did the British have problems after the French and Indian War? a.)they had less territory than before the war b.)they no longer had native american allies c.)they were faced with a devastating natural disaster after the war ended d.)they were left with

76. Law

I am looking for a currect event in a newspaper article that I can relate to criminal law. Any suggestions..

77. History

I am to write a short essay on the pros of making marijuana legal and than I need to debate the issue. Can you help with websites

78. English

I am writing my college essay. I amwriting about the most unforgettable experience i've had and how it impacted my life. I am writing about when my dad was arrested. I have my opening (see below) but I don't know how to continue can you help. The opening

79. Government

How has the Voting Rights Act of 1965 expanded voting rights?

80. English

Did help with finding the authors purpose and main ideas in this article "A Generation Hobbled by the Soaring Cost of College by Andrew Matin and Andrew Lehren in the New yOrk times

81. science

What is the authors purpose and main idea in this article: "Robotics" World of Computer Science. Gale, 2002.

82. Math-divide Polynomial

need to find the quotient and remainder. x^3+x^2y-9xy^2-9y^3 / x+y

83. ETH125

Write a 1,050- to 1,400-word research paper identifying the linguistic, political, social, economic, religious, and familial conventions and/or statuses of four Hispanic groups living in the United States. Your paper should cover Mexican Americans, Puerto

84. SCIENCE

WHY IS YOUR ESOPHAGUS WRAPPED IN SMOOTH MUSCLE AND YOUR TRACHEA WRAPPED IN BANDS OF CARTILAGE?

85. Algebra 2

Can someone help me on how to do this problem 2xy(3x^2)(4y^-1)(5z^-3)

86. year7 - ICT

PLEASE COULD SOMEONE TELL ME WHAT A SCREEN SHOT IS IN ICT THANKS

87. socila studies^-^ ! help

name at lease 5 important event that took place in the history of texas.(NOTE: historical events are important things that happened in the past.do not put annual events here.) http://en.wikipedia.org/wiki/History_of_Texas a major confederate blunder which

88. hum 130

I need to find at least two effects organized religion has had on society, and provide examples from past or present. Have you considered laws? Such as marriage, divorce? Have you considered social organization, such as family activities at gatherings,

89. Neon

What is the normal phase? Neon is a gas at room temp and pressure. yo mamma.

90. Maths

A triangle has side 9cm 12cm 18cm the longest side of a similar triangle measure 12cm what are the length of other side

91. physics

Determine the ionization energy required to extract the electron totally out of a hydrogen atom, and put it at rest

92. math

In a club 15 members choose from them a president , secretary and a treasurer. How many different states of candidates can be chosen?

93. physics

In the circuit we have E=48V, R=6 ohm and L=4H. We close the switch at the instant t=0, the current I in the circuit grows from zero to its maximum value Io, and the permanent phase is established. A) determine the value of Io. B) calculate the values of

94. chemistry

what is the type of catalyst that corresponds the use of the platinum wire

95. physics

Two particles A and B of respective masses M(B) and M(A) are connected together by means of an inextensible string of negligible mass. The string passes over the groove of a pulley of negligible mass. At instant to=0 the system S(pulley,mass,string) is

96. physics

A particle C can move along a slide placed in a vertical plane. Points A and B are at the same horizontal level. Determine with respect to B the point where the velocity of C is zero for the first time in the three following cases: a) C is released from A

97. physics

An air condenser has an area of 100 cm^2 the plates being 4mm apart. It is connected in series with another condenser having plate area of 20cm^2 plates being separated by dielectric 0.1mm thick with E=2.5. If the potential difference across an condenser

98. physics

An air condenser has an area of 100 cm^2 the plates being 4mm apart. It is connected in series with another condenser having plate area of 20cm^2 plates being separated by dielectric 0.1mm thick with E=2.5. If the potential difference across an condenser

Two point charges q and q' are placed respectively at two points A and B. Let O be the midpoint of [AB]. Charge q placed at A creates at O an electric field of strength E=9×10^6 V/m. Determine the resultant electric field at O when:  a) q'=q  b) q'=-q