# Questions Asked onApril 28, 2010

1. ## english

What changes have you seen in your lifetime with regard to people's attitude towards the environment?

2. ## us 210

Describe what you consider the most effective behavior of entrepreneurs, managers, and employees.

3. ## pre-calculus

Beginning with the graph of y=e^x, describe each of the transformations that may be used to graph the function y=6+2e^x. Use complete sentences.

4. ## Math!!!

Simplify the following including like terms 13rs(squared)-r+42s(squared)+6s(squared)-8rs(squared)-3r

5. ## Math-probability

consider a bowl containing 36 different slips of paper. Ten of the slips of paper each contain one of the set of digits 0 through 9 and 26 slips each contain one of the 26 letters of the alphabet. Determine the probabilities of the events specified.

6. ## Math!!!!!!!!!!!!!!

1+1=2,2+2=4,4+4=8,8+8=16

7. ## algebra

I am totally lost on how to solve g(x)=2x^2+3x-1 to find the y and x-intercepts. This is what I have so far, but I don't know if I am on the right track. And if so what would be next? g(x)=2x^2+3x-1 =2x^2+3x -1 =(2x^2+3+6) +3-1

8. ## English

1. What do you think about the movie? (Is 'what' the object of 'think'?) 2. How do you think about the movie? I think with my brain. I think it swiftly. I think it slowly. (Are the answers correct?)

9. ## English

1. We should not eat and drink. (Does it mean that we can not both eat and drink? Does it mean that we can not do the activities at the same time?)

10. ## math

Describe the mathematic process of canceling like factors when working with rational expressions... Demonstrate this with an example

11. ## Math

A ladder 20 ft long rests against a vertical wall. Let \theta be the angle between the top of the ladder and the wall and let x be the distance from the bottom of the ladder to the wall. If the bottom of the ladder slides away from the wall, how fast does

12. ## Math

A ladder 20 ft long rests against a vertical wall. Let \theta be the angle between the top of the ladder and the wall and let x be the distance from the bottom of the ladder to the wall. If the bottom of the ladder slides away from the wall, how fast does

13. ## algebra

describe the mathematic process of canceling like factors when working with rational expressions and demonstrate this with an example

A ladder 20 ft long rests against a vertical wall. Let \theta be the angle between the top of the ladder and the wall and let x be the distance from the bottom of the ladder to the wall. If the bottom of the ladder slides away from the wall, how fast does

15. ## Biology

For what enzymes is iron especially important? - (Talking about photosynthesis and phytoplankton)

16. ## physics

You are holding a shopping basket at the grocery store with two 0.68- cartons of cereal at the left end of the basket. The basket is 0.80 long. Where should you place a 1.8- half gallon of milk, relative to the left end of the basket, so that the center of

17. ## ALGEBRA

need help solving 50=3(r+16)- 2(r-2) and 5(2x-10)/2 + 14 = 19

18. ## Physics

A 2m radius uniform 50kg disk has an object of unknown moment of inertia screwed into its center. A constant external force of 200N is applied tangentially to the disk's rim. A constant torque due to kinetic friction of 180Nmrad is present throughout the

19. ## College Chemistry

In energy terms, ionization of an electron in an atom corresponds to the transition from whatever quantum state the electron is in to an energy of 0 KJ/mole. Calculate the energy in joules needed to remove one electron in the n=1 state from a hydrogen

20. ## math algebra with pizzazz

pg 142 What happened to the computer programer

21. ## geometry

U=? T=50 120=v&r what is U?

22. ## Chemistry

An aqueous solution of a compound with a very high molar mass was prepared in a concentration of 82.7 g·L-1 at 25 °C. Its osmotic pressure was 0.540 ·102 Pa. Calculate the molar mass of the compound. Cheers

23. ## Chemistry

A pressurised can of whipped cream has an internal pressure of 1.33x105 Pa at 25.0 oC. If it is placed in a freezer at -15.0 oC, what is the new value for its internal pressure (in Pa)?

24. ## human reations

Another name for false productivity is

25. ## math

prove the following: given: ABCD is a trapezoid with bases BC and AD to prove: BX • AX = DX • CX X is the intersection of the segment going from BD and AC i need the answer in a two column proof statements Reasons 1. ABCD is a trapezoid with 1. given

26. ## Concept of Ration

A father distrubes R500.00 between his three sons that the eldest son gets twice as much as the second son, who in turn, gets as much as the youngest son. Using the Concept of Ratio, determine the amount that each son gets

27. ## math

how do you take log(-63)

28. ## Math

Suppose r(x) = 8(x)^(1/2) represents revenue and c(x) = 2(x)^2 represents cost, with x measured in thousands of units. Is there a production level that maximizes profit? If so, what is it?

29. ## Chemistry II

This is what I have. Could you please correct my work? Thank you. Compute the equilibrium constant for Ni^2+ (aq) and Cd (s). reduction Ni²⁺(aq) + 2 e⁻ ⇌ Ni(s) ; E°_red = -0.25V -oxidation Cd(s) ⇌ Cd²⁺(aq) + 2 e⁻ ; E°_ox = 0.40V (negative

30. ## criminal law

As a computing investigator for your local sheriff’s department, you have been asked to go with a detective to a local school that received a bomb threat in an anonymous email. The detective already has information from a subpoena sent to the last know

31. ## AALGEBRA

NEED HELP SOLVING 3h/2 = 30 and 3(3+r)= 2r+4 so 3x3=9,3xr=3r = 2r+4 9+3r=2r+4 9-9+4=3r+2r ?????

32. ## physics

what would be the significance of the photoelectric effect graph if it a) passed through the origin b) had a positive y intercept

33. ## maths

why is the extrapolation of data points from models beyond the time frame of the original data considered suspect?

41. ## math

In the figure, l is parallel to m, and m( 1) 5 60°. Find each of the following: b. m( 6) l is paralled to m. this is how the numbers are listed 2 1 3 4 6 5 7 8

42. ## math

1. Refer to the following line m: b. Name two rays on m that have endpoint B. d. Find a simpler name for the intersection of rays BA and AC the line m has points a b and c going on across like that

43. ## ecology

Give examples of how humans have increased their food supply and what effects these methods have on the environment overall.

44. ## Physics

A ball of mass oscillates on a spring with spring constant = 200 . The ball's position is described by (0.350 ) 16.0 with measured in seconds. -What is the amplitude of the ball's motion? -What is the frequency of the ball's motion? -What is the value of

45. ## math

Use the data in the following table to compare the number of people living in the United States from 1810 through 1900 and the number living in the United States from 1910 through 2000. Use any form of graphical representation to make the comparison and

do monsoons affect the climates of both north and south korea?

47. ## high school

what factors change in experiment, when alkaseltzer is added to vinegar and diluted vinegar- does it speed up tto 45 seconds?

48. ## math

There are 12,350 seats in a sports arena if 4/5 of the seats are filled for the even,how many seats are filled?

49. ## Physics

You meet a person with prescription glasses of +1.74 dpt. What is the near point of this person? Express the result as a positive number! Hint: the near point of a healthy person is 25 cm. An object placed at this distance will form an image at the near

50. ## maths - geometry

In a space with an orthonormal coordinate system consider the plane; &: 4x-3y=12 (a)(i)Find the coordinates of the points of intersection of the plane & with the coordinates axes (=axes intersections???) (ii)Find the parametric equations for the line of

51. ## Using souces and avoiding plagirism

Which of the following is correct? a quotation is the record of your original source’s main point in your own words a quotation is the record of the exact words of your source indicated by quotation marks a quotation is the record of the exact words of

52. ## Using souces and avoiding plagirism

Question 4 What is a summary? a brief restatement using your own words an extended restatement that includes in-depth analysis a brief restatement using quotations an exact quotation of the main idea my answer a brief restatement using your own words

53. ## catering

which of the following gadgets is best for making a soft-shell shape out of butter? A.curler B.peeler C.masher D.pick

54. ## catering

Ms. Troy would like you to make a copy of an outfit that she owns and really likes—a sleeveless dress with a short-sleeve jacket. She has selected a lilac linen fabric that comes in 36-in. width. You make a pattern for the dress and record the following

55. ## sewing

1. The type of machine that uses a needle that goes from side to side is a/an A. chain-stitch machine. B. straight-stitch machine. C. offset machine. D. zigzag machine. 2. Zigzag machines are divided into two categories: A. manual and automatic. B.

56. ## chemistry

What volume of 12 M HCL must be diluted to make 2L of solution with pH of 4?

57. ## chemistry

A 4.50e-2 M solution of unknown monoprotic weak base has a pH of 10.200 what is the value of kb for the base

58. ## Finance

If a corporation wanted to guarantee its long term costs of financing an investment project, it could: a.) sell t-bill futures for when the funds were needed b.) buy t-bill futures for when the funds were needed c.) sell t-bond futures for when the funds

59. ## Finance

Holly, a speculator, expects interest rates to decline in the near future. Thus, she purchases a call option on interest rate futures with an exercise price of 92-10. The premium on the call option is 2-24. Just before the expiration date, the price of

60. ## critically anazlyzing images and using them

Question 1 Which of the following is NOT a question to consider when analyzing visual images? Who produced the image? If there is a foreground and a background, what is in each? What are its parts, do they belong together, or do they contrast with one

61. ## chem

Why are titrations using permanganate performed in acid solution?

62. ## chem

Why are titrations using permanganate performed in acid solution?

63. ## chem

Why are titrations using permanganate performed in acid solution?

64. ## critically anazlyzing images and using them

Question 7 Television and print advertisements ____________________. are unbiased; after all, viewers can see the facts themselves may appear unbiased, but they are attempting to shape our opinions by showing viewers the facts they choose to present none

65. ## Finance

find present value of 29000 if you invested 9% in 17 quarters

66. ## critically anazlyzing images and using them

Question 12 Which of the following visual arguments contains an ethical appeal? none of the above 1 a bar chart of 2003 housing construction sales per state an advertisement for corn seed that shows a farmer and his family standing next to a tractor with

67. ## critically anazlyzing images and using them

Question 16 Images help to send messages, so we should choose our images based on ____________________. what the audience wants to see our own favorite images how we analyze our audience, what our underlying claims are, what logic we use, and what emotions

68. ## history

Do you think federal government involvement in education is beneficial? Why or why not?

69. ## math

Triangle I has sides with lengths 2 2/3 cm, 4 1/2 cm and 3 cm. Triangle II has sides with lengths 8 cm, 13 1/2 cm and 9 cm. Are these triangles similar? If yes, what is the ratio of correspondence?

70. ## Management

How does the local, state, or national economy affect your business or place of work?

71. ## Management

Are there business that are relatively recession or depression proof? Why or why not?

72. ## Management

During an economic boom, are there businesses that may not prosper to the same extent as others? Why or why not?

73. ## history

what were the social, economic,and political variations between the north south and west on the eve of the civil war?

74. ## geometry

If the arc on a particular circle has an arc length of 14 inches, and the circumference of the circle is 84 inches, what is the angle measure of the arc?

75. ## Geometry

If I have 21.95 = r cubed, how do I find the r? Thank you

76. ## math

1. 10^(9x-5)=6^9x-9 x=...? 2. 9*5^(5x-3)=23 x=...?

77. ## History

As a result of the Pullman Strike, for the next 30 years the government

78. ## chemistry

A certain vinegar is 5.0% acetic acid in water. What mass (in grams) of acetic acid is needed to mix with 185 grams of water to prepare this vinegar?

79. ## Social studies

The most useful indicator of the degree of democracy reached by a particular society is whether it has a what?

80. ## research writing as a process

Question 1 What is one of the first steps in a research project? to think about the purpose of the research project. to consult a writing center tutor to formulate a thesis statement to find all the research you'll need Question 2 Which of the following is

81. ## chemistry

Determine the minimum volume of 6.40M HNO3 required to dissolve a 2.40g sample of Cu. 2NO3-(aq)+8H+(aq)+3Cu(s)-->2NO(g)+4H2)(l)+3Cu2+(aq)

82. ## research writing as a process

6.What's the next step to choosing a topic once you've identified a general subject? narrowing the topic formulating a thesis thinking about the nature of writing finding a general topic Question 7 What question should you consider when narrowing the

83. ## college

A standard voltaic cell is constructed so that the overall cell reaction is 2Al+3(aq) + 3M(s) --> 3M+2(aq) + 2Al(s) where M is an unknown metal. If ∆G⁰= -411 kJ for the overall cell reaction, identify the metal used to construct the standard cell.

84. ## college chemistry

Cadmium sulfide (CdS) is used in some semiconductor applications. It is possible to evision the dissolving of this slightly soluble substance as an oxidation-reduction reaction. Calculate the value of the solubility (Ksp) for CdS given the following

85. ## college chemistry

A zinc-copper battery is constructed as follows: Zn | Zn+2(0.10 M) || Cu+2 (2.50 M)| Cu The mass of each electrode is 200.0 g. Each half cell contains 1.00 liter of solution. a) Calculate the cell potential when this battery is first connected. b)

86. ## social studies

do you know any webs where i can find out about Italy.(i tried italy . com)

Using only 8,1,4,7,3 only appearing once in an answer. The product of two 2 digit numbers plus a number is 3,355. What are the. Numbers?

88. ## math

Using only these numbers once for each answer 8,1,4,3,7 the product of two 2 digit numbers plus a number is 3,355. What are the numbers?

89. ## Distribution & probabilities

Fluctuation in the prices of precious metals such as gold have been empirically shown to be well approximated by a normal distribution when observed over short interval of time. In May 1995, the daily price of gold (1 troy ounce) was believed to have a

90. ## college chemistry

Carbon monoxide is toxic because it bonds much more strongly to the iron in hemoglobin (Hgb) than does O2. Consider the following reactions and approximate free energy changes: Hgb + O2 ---> HgbO2 ∆G⁰ = -70 kJ Hgb + CO ---> HgbCO ∆G⁰ = -80 kJ Using

91. ## college chemistry

Sodium chloride is added to water (at 25⁰C) until it is saturated. Calculate the Cl- concentration in such a solution. Useful data are provided below. ∆G⁰f (kJ/mole): NaCl (s) -384 Na+ (aq) -262 Cl- (aq) -131

92. ## college chemistry

a) Is the reaction shown below spontaneous under standard conditions at 25⁰C? CH3OH (g) ----> CO (g) + 2H2 (g) b) Will this reaction be spontaneous at 25⁰C given the following amounts of materials? CH3OH at 1.20 atm CO at 0.080 atm H2 at 0.020 atm

93. ## college chemistry

If gaseous H2 and O2 are carefully mixed and left alone, they can remain intact for millions of years. Is this “stability” a function of thermodynamics or of kinetics? Give a valid reason to support your choice.

94. ## Calculus

Evaluate the triple integral _E (xy)dV where E is a solid tetrahedron with vertices (0,0,0), (4,0,0), (0,1,0), (0,0,4)

95. ## Maths

Evaluate the triple integral _E (xy)dV where E is a solid tetrahedron with vertices (0,0,0), (4,0,0), (0,1,0), (0,0,4)

96. ## college chemistry

Pentane, C5H12, and hexane, C6H14, combine to form an ideal solution. At 25⁰C the vapor pressure of pentane is 511 torr and that of hexane is 150 torr. In the vapor over a pentane-hexane solution at 25⁰C, the mole fraction of pentane is 0.15. What is

97. ## college chemistry

A solid consists of mixture of NaNO3 and Mg(NO3)2. When 6.50 g of this solid is dissolved in 50.0 g of water, the freezing point is lowered by 5.40⁰C. What is the composition of the solid (in mass percent)? Assume ideal behavior but watch out for the

98. ## college chemistry

A) In some regions of the southwest United States, the water is very hard. For example, in Las Cruces, New Mexico, the tap water contains about 560 ug of dissolved solids per milliliter. Reverse osmosis units are marketed in this area of soften water. A

99. ## Marketing

Assume that you are a manager of a bank branch.Write a list of the implications of intangibility for you firm?

100. ## grants

im 12 yrs and writing a grant for the school so we can get 'money' to build a toothpick bridge and i have no clue how to write them!!! everything the websites say is soooo confusing!!1

101. ## physics

A 100 g aluminum calorimeter contains 250 g of water. The two substances are in thermal equilibrium at 10°C. Two metallic blocks are placed in the water. One is a 50 g piece of copper at 79°C. The other sample has a mass of 83 g and is originally at a

102. ## algebra

Use the formula 4.9t^2 +vot=s, where t is the time in seconds, vo is the initial velocity, and s is the distance in meters. Approximately how far will an object fall in 4 seonds, if it is thrown downward at an initial velocity of 20 meters per second (vo)

103. ## math

Simplify the radical expression. sqrt 30/120n^2

104. ## research writing as a process

Question 14 How does a thesis function? A.it points out the inadequacies of the opposing views B.it states your position Cit summarizes the information D.it asks a question Question 17 5 points Save Which of the following is not a debatable thesis

Which economic system is the best solution to handling a crisis of epic proportion?

145. ## chemistry

What are the concentrations of [H+] and [OH-] in each of the following. Determine the pH and pOH for each solution. A. 1.25 M HCl B. 0.25 M NaOH C. 0.035 M Ca(OH)2 D. 0.50 M HNO3 I know how to do the pH and pOH I just do not know how to figure out the both

146. ## research writing as a process

how does a thesis function it points out the inadequacies of the opposing views

147. ## research writing as a process

how can I turn this into a appropriate research question? . Why are kids so violent today? What is wrong with them?

148. ## algebra

A population grows by 4.7% each year. By what percentage does it grow each month? (Round your answer to two decimal places.)

149. ## Chemistry

Which of the following increase the melting point of an ionic compound? decreased charge on the ions increased size of the ions increased charge on the ions decreased size of the ions increased amount of the compound

150. ## Confidentiality of Health information

The newspaper phones a rehab clinic and asks if Sally celebrity is a patient and what is her status. The clinic should A. Tell the newspaper the truth B. lie and say she's not if, in fact she's there. C. acknowledge her presence but give no details on

155. ## Math

You roll a number cube three times. Find P(all odd).

156. ## grammar

• Write five sentences about the role of education in successful financial planning, in which you correctly use a different verb tense in each sentence. • Mark each verb used in bold and, in parentheses, identify the specific tense used.

157. ## Calculus

Name two sets of vectors that could be used to span a set in R^3. Show how the vectors (-1,2,0) and (3,4,0) could each be written as a linear combination of the vectors you have chosen.

158. ## Calculus

Show that the vectors (-1,2,3), (4,1,-2) and (-14,-1,16) do not lie on the same plane

159. ## research writing as a process

Which of the following is a goal you may want to accomplishin a research project? to formulate a thesis statement to think about the purpose of the research project. to pick something you wrote a paper on last year and just correct the errors to analyze my

160. ## chemistry-check my work

for each of the following pairs, determine which acid is the stronger acid. A. H2S, HS- B. H2SO3, H2SeO3 C. HBr, H2Se D. HIO4, HIO3 E. H2S, H2O a. H2S b. H2SO3 c. HBr d. HIO3 e. H2S

161. ## language

what are the elements of persuasion?

162. ## Physics

A platform rotates at an angular speed of 2.2 rad/s.  A block rests on the platform a distance of 0.3m from the axis.  Static friction coeffient= 0.5.  Without any external torque acting on the system, the block is moved towards the axis.  Ignore the

163. ## math

If one clerk can process 75 pieces of mail in 2 and 1/2 hours, how long will it take eight clerks to process 1620 pieces of mail if all of them work at this same rate?

164. ## Biology

What kinds of cells make it difficult to tear fern leaves from a plant? thanks:)

what is a command, statement, question, and exclamation sentences please show me some

166. ## college

Electric fields are vector quantities whose magnitudes are measured in units of volts/meter (V/m). Find the resultant electric field when there are two fields, E1 and E2, where E1 is directed vertically upward and has magnitude 96 V/m and E2 is directed

167. ## home economics

a system of government in which powers are divided between a central government and several regional goverments is call?

168. ## calculus

a particle moves along the x-axis (units in cm) its initial position at t=0 sec is x(0)=15. the figure shows the graph of the particle's velocity v(t). the numbers are areas of the enclosed regions. in the graph 0 to a is 4 under the x-axis, a to b is 5

169. ## Math

There is a circular table and it has an area of 1256 square inches. The table opens in the middle to allow additional boards to be added. Each board is 12 inches squared, fits across the diameter of the table, and is rectangular in shape. How many boards

170. ## Grammar

Analogies Pot is to top as tip is to? Ring is to sting as brick is to?

171. ## math

3/14 of rosebuds in a garden bloomed yesterdday and 2/5 of the remaining rosebuds bloomed today.66 rosebuds have not yet bloomed.how many rosebuds were there in total? how many rosebuds bloomed today?

172. ## Algebra

Need help with these-- 4. Does the following set of coordinates make a horizontal, vertical, or diagonal line when connected with a straight line? (4,5) (2,5) Answer--yes 10. Classify the number as rational or irrational: 4.126532 14. Which of the

173. ## Chemistry

Write a balanced chemical reaction showing how the 4.99 g Sn dissolves in HNO3.

174. ## English

How might a character change in the course of a novel?

175. ## math

wats 4 divided by 137

176. ## Chemistry

A voltaic cell consists of a Pb /Pb^2+ half-cell and a Cu/Cu^2 half-cell at 298K. The initial concentrations of Pb^2+ and Cu^2 are 5.20×10−2 M and 1.40 M, respectively.

177. ## PreCalculus REINY HELP PLEASE

well yay thanks for the answer but i really need the formula lol I tried to derive it on my own but it was a little bit rough lol i need the formula it wasn't in my book and I don't know what the name of the formula would be so i can't really google it...

178. ## math

Michelle draws a card from a standard deck of 52 cards. She replaces the card and draws a second card. What is the probability that she draws a Heart and then a Spade?

179. ## Chem

The density of an unknown metal is 8.94 g/cm^3 and its atomic radius is 0.126 nm . It has a face-centered cubic lattice. Find the atomic weight of the unknown metal.

180. ## ALGEBRA 1

need help solving two houses are for sale on the same street.the second house has 1000 square feet less than twice the square feet of the first house. together the houses have 4400 square feet. what is the square footage of the first house? 2x-1000 = 4400

181. ## ALGEBRA 2

HELP the bulldogs won twice as many games as they lost. if yhey played a total of 36 games,how many did they win?

182. ## Physics

Does the law of reflection only apply to mirrors or any object?

183. ## physics

if the speed of the electron is 3.0x10^3 meters per second and the magnitude of the magnetic field is 3.0x10^5T then the value of the magnetic force is what?

184. ## chemistry

what are the significant figures of the numbers: 1)0.0761114947969612 2)132.545358664364 would it be 0.076 and 132.5?

185. ## English

Can you please check this for grammar. Edsel and Eleanor Ford commissioned Albert Kahn to build their home and William R. Valentiner, director of the DIA to help lay the basic foundations for the paintings, furniture, and objects that completed each of the

Marketing strategy planners should recognize

187. ## math

what is the solution of the following system of equations? y = -2/3x y = 1 a) (-2,3) b) (1,-2/3) c) (-3/2,1) d) (1,-3)

188. ## Biology

Hi there, I have to do a paper on Luteinizing hormone and Follicle Stimulation Hormone. Could you direct me to newspapers or journal articles discussing both hormones individually and it's relation to homeostasis. Also, what is the chemical nature of the

190. ## chemistry

Why can you smell a cake baking in the kitchen when you are in your bedroom?

191. ## chemistry

How does the kinetic theory explain how you can smell coffee and bacon at the same time?

192. ## chemistry

Why is the carbon dioxide gas that carbonates fountain drinks stored in sturdy canisters?

193. ## 9th grade - Civics

When was the last time Washington D.C.'s Electoral College votes went to a candidate form the Republican Party? How many Electoral College votes do they have?

194. ## chemistry

How are mm, torr, psi, atm, and Pa related to each other?

195. ## 9th grade - Civics

Name the first state to issue license plates for their automobiles.

the homework is about quotation marks. Add quotion marks if the sentence needs them. Write an x after the sentence if quotation marks are not needed. 1.- Cal wants to collect rocks. 2.- He asks, Mom, can I have a bucket for my rocks?. 3.- His mom gives him

197. ## chemistry

How are mm Hg, torr, psi, atm, and Pa related to each other mathematically?

198. ## math

60% is what common fraction?

199. ## chemistry

Which of these pressures is the lowest? 1.1 atm, 16.7 psi, 740 mm Hg, 111 458 Pa

200. ## Biology

Name 3 structures that help focus the light rays entering the eye: lens iris cornea Can someone tell me if this is right, if not a site I can check, please. Thanks

201. ## chemistry

What will happen to the volume of a gas in a closed container if you increase the external pressure when the temperature remains constant?

202. ## science

Scientists performed an experiment to determine whether there is a connection between learning ability and food. They took two groups of 20 mice each, all from the same purebred strain. The mice were deprived of food for 3 days and then given a standard

203. ## Math

Use a half angle formula to determine the exact value of sin 7(pi)/12.

204. ## chemistry

Why does a balloon become smaller when placed in a freezer?

205. ## math

A plane that flies 170 miles per hour is flying 510 miles. How long will the trip take?

206. ## math

what is 15% of 35?

207. ## math

2 7/8 divided by 2 5/6

208. ## chemistry 12

i nee help in this question any help would be appreciated the question is 1.Given the reaction: A(g) + 2 B(g) ---> C(g) + D(g) ��H = -40 KJ, a. If the activation energy in the forward direction is 80KJ, plot the PE diagram. b. Plot a KE

209. ## math

What are three different ratios for 5 circles and 4 squares?

210. ## algebra

what is the solution of the following system of equations? 2y + 3x = 8 y = 1/2x a)(2,3) b)(1,2) c)(3,2) d)(2,1) what is the solution if the following system of equations? y = 2x + 10 3y = -4x a)(-3,4) b)(4,-3) c)(5,1) d)(1,5) Thanks you

211. ## Math Probability??

I do not know how to figure out his next shot. A basketball player has made 34 of her last 42 freethrow attempts. What probability would you assign to the player’s next free throw being successful? Explain your reasoning. 34/42 = 17/21 I would assume

212. ## math

What is an example of commutative property of multiplication?

213. ## Chemistry

I have a solution made up of 100 ml of distilled water and 2.0g of NaOH. I need to determine the total volumeof the solution in order to the calculate the mass of the reaction mixture. How do I do this? We are to assume the density of the solution is the

214. ## math

what is the answer to this question? The week before a big concert, five friends, alvin, bert, chip, dennis and ethan, stood in line to buy tickets. There were other people between them, but the five friends were in lin in the order listed above. the line

215. ## Algebra

Need help with these-- 4. Does the following set of coordinates make a horizontal, vertical, or diagonal line when connected with a straight line? (4,5) (2,5) Answer--yes 10. Classify the number as rational or irrational: 4.126532 14. Which of the

216. ## Science

Melting point of gold is 1064*C What is the freezing point of gold?

217. ## algebra

5x+10/2x-6 * x-3/10x+20

218. ## Science

Is a liquid denser than a gas or less dense or the same density?

219. ## Science

What is formed when solid copper sulfate is mixed with water?

220. ## Science

How would I describe some of the physical and chemical properties of a chalk board?

221. ## science

Draw the structure for cis-2,3-dibromo-2-hexene.

222. ## research writing as a process

Please correct the sentence below and make it an appropriate thesis statement. In this essay, I will argue that alternative medicine is popular and everyone should use it. As we learn more about the benefits of alternative medicine, patients should be

223. ## Chemistry

If one strand of DNA has the sequence AATCCGTAGCTC, what would be the sequence of its complementary strand?

224. ## Math

Tameka's mother made fish fries for lunch. She made fish ice cream for dessert. It takes 6 small fish to make 1 1/2 cups of ice cream. How many fish does it take to make 4 cups of ice cream?

225. ## health

compare cost control strategies of employer-sponsored health plans

226. ## math

what are the multiples of 12 and 15?

227. ## Grammar

I have to decide what familiar saying or proverb is hidden in two of these formally written statements. Then I need to write it in informal language. 1. A single pass of the needle in sewing will oftentimes prevent the necessity of nine such passes. 2. The

228. ## algebra

can you walk me through these 4+x/5 < 8 and x-2/3> 2x + 11

229. ## art 101

the Egyptians and the Greeks. What are the similarities and differences between the two? What does the sculptural representation of the human form say about each culture?

230. ## math

what is the answer to this question? The week before a big concert, five friends, alvin, bert, chip, dennis and ethan, stood in line to buy tickets. There were other people between them, but the five friends were in lin in the order listed above. the line

231. ## math

how do you find the circumference of a circle.

232. ## english

i need to compare theatres technology from today and in the elizabethan era. but i have to also use proof or quotes from the book cue for treason. help?

233. ## science

what is believed to be the first living thing on earth?

234. ## social studies

Who, when, where, and why was the AIM(American Indian Movement)started

235. ## social studies

what group of people made a historic move and traveled from nova scotia,canada to louisiana territory

236. ## Social Studies

Why did New France have a hard time attracting settlers? (B) What economic activities were profitable in New France?

237. ## math

3 2/5 * 1 1/8

in 1755 why didn't the english people want the acadians in nova scotia?

239. ## Probability

What is the probability of flipping a coin two times and getting no heads? If I flip a coin twice and get no heads wouldn't it be 2/2 or 1?

240. ## math

What is the estimate of 4/5 + 6/7

241. ## Chemistry

If the concentration of H3O+ is 3.5 X 10^-3 M. What is the concentration of OH-

242. ## algebra

If the sides of a square are increased by 3 meters, the area becomes 64 meters squared. Find the length of a side of the original square?

x/.8 = 7/4

7.86*4.6=

245. ## Finding and evaluating sources

Question 15 Now that you have a list of citations and their accompanying bibliographic information, what question is not relevant when evaluating the source's audience? Can you tell who the author's intended audience is? Can you determine if the audience

246. ## math

estimate 24.301 /5.7

247. ## eth125

What do you predict the effect of Hispanic and Latino panethnicity to be in the future?

248. ## science

which layer of the atmospher has the highest density of gas molecules

249. ## visual images and how to use them

Question 12 Which of the following visual arguments contains an ethical appeal? none of the above 1 a bar chart of 2003 housing construction sales per state an advertisement for corn seed that shows a farmer and his family standing next to a tractor with

250. ## visual images and how to use them

Question 2 Which of the following is NOT a question to consider when analyzing visual images? If there are people in the image, how do they seem to relate to each other? If there are words in the image, what is their relationship to it? Where is the image

251. ## Math

Today Jamal had a spelling test. There were 21 words on the test. Jamal spelled two-thirds of them correctly. How many words did Jamal spell correct?

252. ## visual images and how to use them

Question 6 Television and print advertisements are visual arguments because ____________________. none of the above words are visible in the advertisements they are designed to convince us to buy a product, vote for a candidate, support a cause, and so on

253. ## English

How do you know what the topic and main idea of a paragraph is?

254. ## ecology

Air pollution impacts us on a global level. What are the implications of global warming?

255. ## confidentiality of health information

Joe researcher asks for access to patient records as part of a research project. What should the health information manager do? A. Say yes-access for research is permitted. B. Say no. C. Tell Joe to submit his request to an institutional review board if he

256. ## chemistry

What must be the pH of a solution that is 0.067 M Fe3+ to just cause Fe(OH)3(s) to precipitate?

257. ## phi105

who is holy the article

258. ## 6th grade language arts

a book listing many itmes is called a.... the word ends in logue

259. ## college

need help with week 6 day 3 phi/105

260. ## algebra

Please help me! Sorry there are 4 questions I need to check my attempts with to see if I am on track. Thanks!! 1. 5-3[2(3x-4)+3] 2. Evaluate when x = -3 and y = 2 3x squared - 4y squared _______________________ 4x - 7y 3. -3/4y = -24 4. m + 1 + 5 = 2m - 1

261. ## Science

Thank You DrBoB222 for the science help

262. ## Pre calc

If 250 mg of a radioactive element decays to 200 mg in 48 hours, find the half-life of the element

263. ## chemistry

what is the freezing point of a solution of 12.0 g of CCl4 dissolved in 750.0g of benzene? the freezing point of benzene is 5.48 degrees C ; Kf is 5.12 degrees c/m.

264. ## chemestry

what is the condensed structural formula for. 5- ethyl-2-hexene

265. ## calculus

Given: theta is in standard position in quadrant 1 with p(x,y)=(5,12) find sin 2 and cos 2

266. ## chemestry

sorry its 5-ethyl-2-hexyne

267. ## Math probability

How many ways can three cars be parked in a row of four parking spaces? I have no idea how to do this?

268. ## Science- Chemistry Ap

2SO3(g) -> 2SO2(g) + O2(g) Delta H = 197kj For this reaction shown above, describe the changes that will occur to the number of moles of SO3 under the following conditions: (a) Additional oxygen is added to the reaction vessel. (b) The pressure in the

269. ## phi 105 introductory to philosophy

I read the article who is holy and i need some help in writting a 200 word critique on this article. I find no fault in this article.

270. ## phi 105 introductory to philosophy

do you have any homework posted for this class especially week 6 day 3?

271. ## Finance

What is the 1 year operating cash flow? Sales $33,000 Depreciation$10,000 Other operating costs $17,000 Interest expense$4,000 Tax rate 35%

272. ## Science

A substance seems to completely fill a container, but more can be forced in. What is the subatance a solid, liquid gas or none of these?

273. ## geometry

An isosceles trapezoid has base angle 45 degrees and bases of length 12 and 32. Find its area.

274. ## algebra

Please help me! Sorry there are 4 questions I need to check my attempts with to see if I am on track. Thanks!! 1. 5-3[2(3x-4)+3] 2. Evaluate when x = -3 and y = 2 3x squared - 4y squared _______________________ 4x - 7y 3. -3/4y = -24 4. m + 1 5 2m - 1

275. ## Chemistry

can u calculate the number of moles 0.5g of H?

276. ## chem

Can someone help me I need to find out how to solve the following equation What is the PH/POH of a .0727m H3O+ Solution at 25 degrees c

277. ## law

Describe the functions of organizational networks and specialized criminal justice databases in 200 to 300 words, recognizing that technology is rapidly becoming more important in the field of criminal justice.

Kenisha sells athletic shoes part-time at a department store. She can either earn $500 per month plus a 4% commission on her total sales or$400 per month plus a 5% commission on total sales. A)write a system of equations to represent the situation. B)what

279. ## English-Happiness

I'm doing a short poem on Happiness. I'm going to work on it after, but I just need a good title for it. Here is an example of a type of poem I'm trying to do: Title: Happiness is a Butterfly Happiness is like a butterfly which, when pursued, is always

280. ## Confidentiality of health information

Dr. Bob's computerized records have been compromised by a hacker, resulting in damages to patients. Which of the following is most true? A. Dr. Bob may be liable if he didn't have proper firewall or other protections. B. Dr. Bob won't be liable. C. Dr. Bob

281. ## physics

A 20 kg slender rod pivoted at its center has a length of 6 m. A motor applied a torque of 2400 Nm on the rod to turn it from rest. a) Find the the average power by the motor when the rod rotates an angle of 500 radians. b) Find the instantaneous power of

282. ## Math-Probability

I do not know how to figure out his next shot. A basketball player has made 34 of her last 42 freethrow attempts. What probability would you assign to the player’s next free throw being successful? Explain your reasoning. 34/42 = 17/21 I would assume

Is -7*10^11 in scientific notation? If not, write it in scientific notation.

284. ## instrument

this very moment by kcjojo

285. ## Calculus

Find the absolute max of f(x)=5x-e^(5x)