# Questions Asked onSeptember 28, 2013

1. ## physics

major leaguer hits a baseball so that it leaves the bat at a speed of 29.0m/s and the angles of 36.9 above horizontal ignore resistance what two time is the baseball at a height of 10.0m above the point at which it left the bat? *what two times is the

2. ## math

Suppose water flows from a shower at a rate of 0.32 cubic feet per minute. Do you use more water by taking a 12-minute shower or by filling a bathtub with 0.4 cubic yards of water, and by how much?

3. ## macroeconomic

Secondhand smoke globally kills more than 600,000 people each year, accounting for 1 percent of all deaths worldwide, according to a new study. . . . Researchers estimated that annually secondhand smoke causes about 379,000 deaths from heart disease,

4. ## Math

Convert each of the following numbers from scientific to ordinary notation and write its name. 2 x 10^-2 Can you explain or clarify this problem? Thank you.

5. ## Math

9x^4 - 148x^2 + 64

6. ## geometry

1) A billboard on level ground is supported by a brace, as shown in the accompanying diagram. The measure of angle A is 15 degrees is greater than twice the measure of Angle B. Determine the measure of Angle A and the measure of angle B.

7. ## physics

At time t=0, a 2150kg rocket in outer space fires an engine that exerts an increasing force on it in the +x-direction. This force obeys the equation Fx=At2, where 1.45s is time, and has a magnitude of 781.25N when t = 1.45s . Find the SI value of the

8. ## U.S. and Global Economics

I'm in need of help really bad. I been sitting here( I got a serious butt ache) trying to figure out this answers and I only got question one. Plz at least explain these questions to me. I would highly appreciate it. :) you don't need to explain # 1 I got

9. ## A Thankless Experience

I really need help on this question it is worth 5 marks. The question is: Explain how "A Thankless Experience" is a satire with support with direct reference to the essay. The short essay is called A Thankless Experience by Stephen Lautens' Thank you :)

10. ## physics

the substance which allows heat radiations to pass through is.a)iron b)water vapour c)wood d)dry air

11. ## chem

Help a brother out!!! please!!!Nitroglycerin, C3H5N3O9 decomposes to form N2,CO2,H2O, and O2 4(C3H5N3O9)-> 6N2+12O2+10H20+O2 a)How many grams of water would be produced if 75g of nitroglycerin decompose? b)The creation of 3.89 moles of C02 would require

12. ## Pre-Calculus

A machine worth \$ 11000 new and having a scrap value of \$ 10995.6 is to be depreciated over a 4.4 -year life. Find the function that describes straight line depreciation for this situation. At what time will the machine be worth \$ 10997.8 according to this

13. ## us history

Why were the British more successful than the Spanish in colonizing North America? Select one: a. They found more gold. b. They had a stronger military. c. They attracted more immigrants. d. They bonded with Native American populations. On the heels of

14. ## Geography (Ms. Sue)

What are examples of an environment changed by humans? A: Examples of an environment changed by humans include the construction of polders and canals.

15. ## Dma 040

V=1/3ah, V=21,h=3, solve

16. ## law

explain how criminal justice responses may be formed based on the assumptions of the Rational Theory.

17. ## Finance

You take out a 30 year \$100000 mortgage loan with an apr of 6% and monthly payments. In 12 years you decide to sell your house and pay off the mortgage. What is the principle balance on the loan?

18. ## Literature

The religious revivals of nineteenth-century America included people who became very excited, claiming that God spoke to them directly. These people were called A. literalists. B. revivalists. C. Bible beacons. D. enthusiasts. I think it's C.

19. ## Chemistry

A mixture of C3H8 and C2H2 has a mass of 2.6g . It is burned in excess O2 to form a mixture of water and carbon dioxide that contains 1.6 times as many moles of CO2 as of water. Find the mass of C2H2 in the original mixture.

20. ## physics

How many revolutions per minute would a 16m -diameter Ferris wheel need to make for the passengers to feel "weightless" at the topmost point? All I want to know is where do I start? I thought I would set a(centripital accelteration) = (9.8 m/s^2)?

21. ## Science

Model and explain the steps of Mitosis and Meiosis. Explain the difference between the two. Identify the process on how organisms grow old and replace old or damaged cells Identify the process for sexual reproduction why is it necessary and how does it

22. ## us history

What were religious groups who came to the New World looking for? a. Religious freedom for all religious groups. b. Equality for all. c. To avoid religious and civil persecution. d. To expand their religion throughout the colonies. A For what reason did

23. ## physics

You plan to throw stones by using a sling of length 0.6 m which you whirl over your head. Suppose you wish to throw a stone a distance of 32 m. What must be the centripetal acceleration of the stone just before its release if it is to reach this distance?

24. ## computer sicence C++

Americans spell differently from Canadians. Americans write "neighbor" and "color" while Canadians write "neighbour" and "colour”. Write a program to help Americans translate to Canadian. Your program should interact with the user in the following way.

25. ## Math

Solve x^2+1=0.

26. ## Math

Solve x^2+1=0.

27. ## math/economics

given Q-80=10P and Q-10P=0 what is the demand and supply curve?

28. ## Math

Solve for a and b. 2a-ai-5b=0, a-2b-bi=0. Where i is complex number.

29. ## early childcare

which one of the following states the principles by which each individual can measure and govern professional behavior?

30. ## math

convert from decimal to the indicated base. 56 to base 5. i know theres long division involved but i have no idea what to do after. i did 5\56 & got 11 then 5/11 & got 2 & then 5/2 to finally get a remainder of 0 what do i do now!?

31. ## math

If a job takes 64 men to complete in 15 days, how many more men will take to complete the job in 12 days?

32. ## Socials

1. A description of life in 17th century ENgland according to a member of the roundheads. 2. The roundheads views on civil rights. Thanks! :)

33. ## math

Perry and Barry ran an 120-meter race. When Barry crossed the finish line, Perry had run only 105 meters. Then they ran a second race, with Barry starting 15 meters behind the starting line. Assuming that both runners ran at the same pace as in the first

34. ## scince@@@

i have to make a model for science fair. Any new development!. So please give me only idea that which new development can be possible with the help of eddy currents or induction of emf...........

35. ## math

Split 597 into three parts such that these are in A.P. and the product of the two smallest parts is 796.

36. ## quantum physics

!@#\$%^& 6 q6:Now, consider the case where N4 elements are marked instead of just one. If we run one iteration of Grover's algorithm and measure, what is the probability that we see a marked element? q7: Which of the following observables correspond to a

37. ## college physics

Two protons in a molecule are 3.80 multiplied by 10-10 m apart. Find the electrical force exerted by one proton on the other. Magnitude N (b) State how the magnitude of this force compares with the magnitude of the gravitational force exerted by one proton

38. ## law

how criminal justice responses may be formed based on the assumptions of The Sutherland’s theory of differential Association.

39. ## PHYSICS

A rod 14.0 cm long is uniformly charged and has a total charge of -20.0 µC. Determine the magnitude and direction of the electric field along the axis of the rod at a point 36.0 cm from its center. N/C

40. ## Math- factoring

Show all work and factor completely. 6a^2+5a-4 (6a^2+8a)-(3a-4) 2a(3a+4)-1(3a+4) (3a+4)(2a+1) Is this correct?

41. ## Chemistry

Calculate the magnitude of the cohesive energy of potassium iodide (KI). The ionic radii of K+ and I−, are 152 pm and 206 pm, respectively. Assume the Born exponent n is 10. Assume a Madelung constant of 1.7. Please report your answer in kJ/mol or how to

42. ## Chemistry

Calculate the magnitude of the cohesive energy of potassium iodide (KI). The ionic radii of K+ and I−, are 152 pm and 206 pm, respectively. Assume the Born exponent n is 10. Assume a Madelung constant of 1.7. Please report your answer in kJ/mol or how to

43. ## Geography (Ms. Sue)

1). Which mountains hinder travel between Spain and France? A: The Pyrenees Mountains hinder travel between Spain and France. 2). Which mountain ranges are in Easter Europe? A: The Carpathian and Balkans Mountain ranges are located in Eastern Europe? 3).

44. ## physics

Air is blowing with a wind speed of 35 [mi/hr] eastward relative to the ground.Find the velocity of an eagle relative to an observer on the ground if the eagle is flying at a speed of 22 [mi/hr] westward “against” the wind.

45. ## Geography (Ms. Sue)

Where are Europe's major peninsulas located in relation to each other? (The peninsulas my textbook refers to are the Iberian, Italian, Balkan, Jutland, and the Scandinavian Peninsula.)

46. ## PHYSICS

Two protons in a molecule are 3.80 multiplied by 10-10 m apart. Find the electrical force exerted by one proton on the other. Magnitude N (b) State how the magnitude of this force compares with the magnitude of the gravitational force exerted by one proton

47. ## physics

a single bead can slide with negligible friction on a wire that is bent into circular loop of radius 15 cm an in the figure. the circle is always in a vertical plane and rotates steadily about its vertical diameter with a period of 0.450 s. the position of

48. ## PHYSICS

A rod 14.0 cm long is uniformly charged and has a total charge of -20.0 µC. Determine the magnitude and direction of the electric field along the axis of the rod at a point 36.0 cm from its center. N/C

49. ## math

Chip’s Home Brew Whiskey management forecasts that if the firm sells each bottle of Snake-Bite for \$20, then the demand for the product will be 15,000 bottles per year, whereas sales will be 91 percent as high if the price is raised 11 percent. Chip’s

50. ## finance

5.Capital Co. has a capital structure, based on current market values, that consists of 21 percent debt, 9 percent preferred stock, and 70 percent common stock. If the returns required by investors are 10 percent, 12 percent, and 17 percent for the debt,

51. ## Physics Changing Acceleration

Derive position, velocity, and acceleration kinematics equations for an object undergoing a changing acceleration? I understand that somehow we need to get (∆a/∆t) as the change in acceleration into the kinematic equations but I really don't know where

52. ## finance

Chip’s Home Brew Whiskey management forecasts that if the firm sells each bottle of Snake-Bite for \$20, then the demand for the product will be 15,000 bottles per year, whereas sales will be 91 percent as high if the price is raised 11 percent. Chip’s

53. ## Insurance Policies

What is the difference between Medicare and Medicaid? What is a copayment? Deductibles? What is it with Obama's Health Care Plan? Why do we need insurances?

54. ## dress making

wanted some help with questions 1. You would like to add a row of tow metallic threads around the wrist of a dress made out of voile . what sewing method should be used to attach them?

is this a good essay. please help me on words that will make the essay better, advice if any sentence is wrong. and anything that can make the essay sound more mature/professional than what it is, punctuation, capitalization, clarity, etc. A good argument

56. ## AP Chemistry

A total charge of 96.5 kC is passed through an electrolytic cell. What mass of copper will be produced from a copper(II) chloride solution? Answer in units of g

57. ## math

(x^2 + x) / x-3x (4) = ? Please answer and explain

58. ## math

The area of a parallelogram is represented by x^2-7x-8 and its height is represented by x+1, what would the base of the parallelogram be? I am not sure how to do this. Would you divide the area by the height? would it be x-8 Thank you for your help

59. ## math

deductive or inductive reasoning? check my answers? If you square a positive number, you will get a positive number. The number 3 is positive. Therefore, 3^2 is a positive number. I say its inductive. The best player on our team this year attended a

60. ## grd 12 U chemistry

Hi, i have a project for chemistry, i have to choose a scientist (i chose Micheal Smith) his career is biochemistry and i have to create a career related to biochemistry.. Question: After finding the famous chemist and then using their field of chemistry,

61. ## Calculus & Vectors

Sketch the sets of complex numbers that would satisfy the following equations. a)z=2 b)|z|=2 c)(5,4) d)(sqrt2, -sqrt2) Also, please explain how to do it. Thanks.

62. ## englsih

hello i would like help to find information on a play called uncle vanya and information about the author chekhov

63. ## Average deviation

If I'm asked for the average deviation, what is the unit I should use for the answer?

64. ## philosophy logic

Natural Deduction Proof Help? Having trouble with these two 1. 1 ~Y ⊃ ~L 2 W v ~Y 3 W ⊃ ~B / ~B v ~L 2. 1 ~U • (G = ~T) 2 (~U v D) ⊃ (W • ~R) / W • ~U

65. ## physics

Two blocks of masses m and 2m are held in equilibrium on a frictionless incline as in the figure. In terms of m and θ, find the following.

66. ## chem

Table salt, NaCl(s), and sugar, C12H22O11(s), are accidentally mixed. A 5.50-g sample is burned, and 3.10 g of CO2(g) is produced. What was the mass percentage of the table salt in the mixture?

67. ## Chemistry

The question asks me to find the absolute error using the true value=.1025M, and the mean=.1077 The answer I got was .0052...how would I convert this to 4 significant figures? (since the values have 4 significant figures)

68. ## Physics

Two spheres are cut from the same uniform rock. One has a radius r1 = 4.50 x 10-2 m and mass M1. The mass of the second sphere is M2 = 5M1. What is the radius of the second sphere?

69. ## physics

A shopper in a supermarket pushes a loaded cart with a horizontal force of 13 N. The cart has a mass of 36 kg. The acceleration of gravity is 9.8 m/s 2 . Disregarding friction, how far will the cart move in 4.5 s, starting from rest? Answer in units of m

70. ## physics

A magnetic field is applied to the plain of a flat coil of copper wire. The time variation of the magnetic flux density is given by Bosinwt.At which of the following values of t is the magnitude of the emf induced in the coil a

71. ## Math

An investment broker wants to invest up to \$20,000. She can purchase a type A bond yielding a 10% return on the amount invested, and she can purchase a type B bond yielding a 15% return on the amount invested. She wants to invest at least as much in the

72. ## law

I need help finding information on number of inmates who are currently incarcerated in prisons (both state and federal) in the U.S.

73. ## math

7√x +16=79, What is the value of x? a. 3 b. 6 c. 9 d. 27 e. 81

74. ## math

For all x greater than 2, let *x be defined as the sum of the positive integers less than x. What is the value of *16 - *13?

75. ## math

X3Y+5YX = 1,33X In the correctly worked addition problem above, X and Y represent 2 different digits. What digit does X represent? a. 0 b. 1 c. 4 d. 8 e. 9

76. ## math

x, y, 3y If the average (arithmetic mean) of the 3 numbers above is 3x and x≠0, What is y in terms of x?

77. ## physics

A roller-coaster car with a mass of 550 kg starts at rest from a point 46 m above the ground. At point B, it is 23 m above the ground. [Express your answers in kilojoules (kJ).] (a) What is the initial potential energy of the car? Incorrect: Your answer is

78. ## MATH

Anna has a bag of chocolates and a bag of caramels. If she gives an equal amount of each type of candy to each of her 7 friends, she is left with 5 chocolates and 1 caramel. Which of the following could be the total number of chocolates and caramels that

79. ## Edu

How can data from various sources relating to the learners' progress be used as a tool to drive the standards-based instruction?

80. ## Social studies

1. A description of life in 17th century England according to a member of the roundheads. 2. The roundheads views on civil rights. Please help quick! (Ms. Sue)

81. ## Math

If c and d are integers, d is divisible by 30, and cd is divisible by 20, c must be divisible by which of the following? a) 2 b) 4 c) 5 d) 6 e) 10

82. ## MATH

What is the smallest integer greater than 5 that leaves a remainder of 5 when divided by any of the integers 6,8, and 10?

83. ## physics

A car traveling at 3.2 m/s accelerates at the rate of +0.68 m/s2 for an interval of 8.0 s. Find vf.

84. ## Physics

A truck of mass 8,000 kg is traveling along a level road at an initial speed of 25 m/s. The driver then shifts into neutral so that the truck is coasting, and the truck gradually slows to a final speed of 13 m/s. (a) Find the total work done on the truck.

85. ## Vocabulary Studies

Imagery is figurative language that evokes mental pictures, usually by appealing to our five senses. Imagine that you are standing on the beach in the picture. Write a paragraph of at least 5 complete sentences using imagery to describe your imagined

86. ## Math

screen sizes (TVs, computers) are given by measuring the length of the diagonal. If the base length of a 40-inch TV is 32", what is the surface area of the TV screen?

87. ## chem

How many grams of NH3 are required to make 52.7g H2O in the following reaction : 4NH3+6NO->5N2+6H2O

88. ## Chemistry

What are the benefit of letting the solutions of HCl(aq) and NaOH(aq) sit overnight?

89. ## Math

return on investment assuming that she (a) pays the full \$200,000 from her own funds or (b) borrows \$150,000 at 8%. Then discuss the effect, if any, of leverage on her rate of return. (Hint: Earnings before interest & taxes minus Interest expenses (if any)

90. ## physics

From the edge of the rooftop of a building, a boy throws a stone at an angle 26.1° above the horizontal. The stone hits the ground 4.25 s later, 103m away from the base of the building (b) Find the initial velocity of the stone. (c) Find the initial

91. ## Social Studies (History)

What were the materials to construct the transcontinental railroad? I already knew the railroad was mostly constructed by hand by thousands of workers, but i need help to find out what kind of materials they used to build and construct the railroad. Also,

92. ## math

For all x greater than 2, let *x be defined as the sum of the positive integers less than x. What is the value of *16 - *13?

93. ## math

X3Y+5YX = 1,33X In the correctly worked addition problem above, X and Y represent 2 different digits. What digit does X represent? a. 0 b. 1 c. 4 d. 8 e. 9

Hello. I am a tutor. I tutor second grade students. I need a good website that will give me great tips on how I can better teach my students how to read, spell, and pronounce words. Can you please help me find a website like that?

95. ## math

x, y, 3y If the average (arithmetic mean) of the 3 numbers above is 3x and x≠0, What is y in terms of x?

96. ## Chemistry

A mixture of C3H8 and C2H2 has a mass of 2.6g . It is burned in excess O2 to form a mixture of water and carbon dioxide that contains 1.6 times as many moles of CO2 as of water. Find the mass of C2H2 in the original mixture.

97. ## chemistry

Calculate the heat that must be supplied to a 488 g stainless steel vessel containing 441 g of water to raise its temperature from 38.7◦C to the boiling point of water 100◦C.

98. ## Math

A group medical practice has 40,000 patients. Charts vary in thickness from 1/4 to 1 inch thick. The average of all charts is 1/2 inch thick. Using the average 1/2-inch thickness, how many inches of shelf space will be required for 40,000 charts? The

99. ## Leiningen Versus the Ants” by Carl Stephenson.ASAP

Okay, so I really need help, I have read the story, but I realy need help. Has anyone read "Leiningen Versus the Ants” by Carl Stephenson. Before. I really need help so please help.

100. ## PHYSICS

A 3.8-kg bucket of water is raised from a well by a rope. If the upward acceleration of the bucket is 2.1 m/s2, find the force exerted by the rope on the bucket.

101. ## Math

1) Describe the relationships you discovered in the Fibonacci sequences. 2) what strategies did you use to search for relationships. 3)how many examples of a relationship do you need to check before you start to believe that the relationship might be true

102. ## Chemistry

Calculate the density of a substance in pennyweights that has a volume of 0.287hogsheads and a mass of 55.25kg. 1 pennyweight= 1.55g 1 hogshead=238.5 liters 1 peck=9.091 liters Answer in pw/pk.

103. ## Geography

For this question, you need to apply what you learned about temperature controls to two locations on Earth. Discuss how the 5 factors influencing temperature patterns effect St. Louis, Missouri (38°39' N, 90°W; elevation 535 ft) and Singapore (1°24'N,

104. ## English on different cultures

Why do many people across the world watch korean dramas instead of their own culture dramas?

105. ## Social Studies (History)

1) What are the materials the workers used to construct the first transcontinental railroad? 2) What are the materials in the railroad? 3) What are the long-term and short-term causes of the transcontinental railroad (if there are any short-term causes)? I

106. ## Grade 12 University Chemistry

Hi, i have a project for chemistry, i have to choose a scientist (i chose Micheal Smith) his career is biochemistry and i have to create a career related to biochemistry.. Question: After finding the famous chemist and then using their field of chemistry,

107. ## Social Studies

What is one way that the people have changed the environment in parts of West and Central Africa? a. They have made all of the land arable b. They have cut down trees faster than they can grow back c. They do not use any land for farming d. They use all of

108. ## physics

A ball is dropped from a height of 168 m. What is the ball height from ground after 2.24 sec of falling?

109. ## Geography (Ms. Sue)

1). How do the North Atlantic Drift and the prevailing westerlies affect Europe's climate? A: The North Atlantic Drift, which is carried by the prevailing westerlies, brings a moderate temperature to much of Europe--from northern Spain across most of

110. ## Pre-Calculus

If a manufacturer has fixed costs of \$ 300 , a cost per item for production of \$ 60 , and expects to sell at least 100 items, how should he set the selling price to guarantee breaking even? I set up the cost function by writing 300 + 60x, but I don't know

111. ## mathematics

If a and b are positive integers, a+b

112. ## Science (Graphing) ASAP

Maria walks at a constant speed of 2 m/s for 8 seconds. a. Draw a speed vs. time graph for Maria’s motion. b. How far does she walk? I wanted to know what numbers would be on the time (x vaule) I know the Y is the position (2,4,6,8,10,12 etc)

113. ## Social Studies (History)

What are some short-term causes (if any) of the transcontinental railroad?

114. ## u

What is the magnitude of the energy of a bond formed between a potassium (K+) cation and an iodide (I−) anion? The ionic radii of K+ and I−, are 152 pm and 206 pm, respectively. Assume the Born exponent n is 10. Please report your answer in joules.

115. ## math

can you tell me if I factored this correctly and completely? 2x^3+6x^2+3x+9 (2x^3+6x^2)+(3x+9) 2x^2(x+3)+3(x+3) (x+3)(2x^2+3) Thank you for your help

116. ## Grammar ASAP

list words in order from positive to negative: speak discuss converse chat communicate lecture advise reproach pontificate rebuke state utter declare gossip orate mention describe suggest

117. ## COMPUTER

Write a 200- to 350-word paper that describes the distinctions of data and information and briefly explains the process a computer uses to convert data into information. • Consider the following: Computers use a completely different language than people,

118. ## math

in a round robin tennis tournament involving 7 players, each player will play every other player twice. How many total matches will be played in the tournament? a. 21 b.28 c. 42 d. 48 e. 56

119. ## SAT prep help

Set M consists of the consecutive integers from -15 to y, inclusive. If the sum of all the integers in set M is 70, How many numbers are in the set?

120. ## Intermediate Algebra

The homework assignment is to explain in a paragraph how to simplify 16 1/2 .

121. ## Intermediate Algebra

The homework assignment is to describe in a paragraph how to simplify square root of 100.

122. ## Math

Simplify: (1/5x^4+1/3xy^2+1/2y^2)+(6/5x^2y^2+2xy^2+11/6y^2)

123. ## Science

Model and explain the steps of Mitosis and Meiosis. Explain the difference between the two. Identify the process on how organisms grow old and replace old or damaged cells Identify the process for sexual reproduction why is it necessary and how does it

124. ## Geography (Ms.Sue)

1). Why did the Dutch build seaworks? A: The Dutch built seaworks to hold back the sea and provide places to go for safety during floods and high tides. 2). Which regions have the harshest, coldest climates? A: Eastern Europe, Finland, eastern parts of

125. ## SAT math

Set M consists of the consecutive integers from -15 to y, inclusive. If the sum of all the integers in set M is 70, How many numbers are in the set? SAT prep help - Anonymous, Saturday, September 28, 2013 at 3:16pm a. 33 b. 34 c. 35 d. 36 e. 37

126. ## mathematics

in a round robin tennis tournament involving 7 players, each player will play every other player twice. How many total matches will be played in the tournament? a. 21 b.28 c. 42 d. 48 e. 56

127. ## mathematics

If 2x+3y=7 and 4x-5y=12, what is the value of 6x-2y? a. 5 b. 8 c. 15 d. 17 e. 19

128. ## Math

Convert each of the following numbers from scientific to ordinary notation and write its name. 2 x 10^-2 Can you explain or clarify this problem? Thank you.

129. ## math

how do you figure out the pattern of 1,4,9,16?

130. ## Math (Algebra 2)

Source: At the end of 1993, scientists tracked 1550 nonfunctional components in orbit and projected 42 such objects are added each year. Suppose that an average of 15 of these are brought back to Earth each year. Question: Write the function "R" that

131. ## ap chemistry

A total charge of 96.5 kC is passed through an electrolytic cell. What mass of silver metal will be produced from a silver nitrate solution? Answer in units of g

132. ## Physics

You plan to throw stones by using a sling of length 0.6 m which you whirl over your head. Suppose you wish to throw a stone a distance of 32 m. What must be the centripetal acceleration of the stone just before its release if it is to reach this distance?

133. ## us history

Which of the following reasons allowed Great Britain to further its colonization in the New World?

134. ## languages

Ms. Sue you can give me some website where I can translate documents from English to Spanish. I'll be very grateful for you help