# Questions Asked onOctober 26, 2008

1. ## chem

How much energy, in joules, must be absorbed to convert to Na all the atoms present in 1.00mg of gaseous Na? The first ionization energy of Na is 495.8kj/mol .

2. ## math urgent

which property is illustrated by the equation 3/2x+0=3/2x? commutative property of addition distrubutive property additive inerse property additive identity property

3. ## Calculus

A rectangular beam is cut from a cylindrical log of radius 30 cm. The strength of a beam of width w and height h is proportional to wh^2. Find the width and height of the beam of maximum strength. Is the width 45 and the height 20.

4. ## help me

if a and b are integers, which equation is always true 1 a/b= b/a 2 a-b= b-a 3 a+2b= b+2a 4 a+b=b+a

5. ## algebra ll

find a geometric means between 4096 and 972? my answers is (0.75)^4 if it wrong can you give the right answer and show the work as simple as you can. thank you

6. ## Chemestry @

A 27.6ml volume of chlorine gas is collected over water at 23 C and 750 torr. The mass of the gas is 78.4mg. The vapor pressure of water is 21 torr. a)what is the pressure of the chlorine gas? b) what volume does the chlorine gas occupy? c)How many moles

7. ## math

in these addends, each letter represents a single digit. find the numbers. write the completed problem below. CENT CENT + SCENT ----------- 35128 I NEED THIS TONIGHT OCT. 26--ASAP!!!!!!

8. ## chem

What electron transition in a hydrogen atom, starting from the orbit 10, will produce infrared light of wavelength 3040 ?

9. ## Calculas HS

A glass of cold milk from the refrigerator is left on the counter on a warm summer day. its temperature y (in degrees Fahrenheit) after sittin gon the counter t minutes is y= 72-30(0.98)^t Answer the question by interpreting y and dy/dt. 1. what is the

10. ## Math

Algebra Riddle with PIZZAZZ "Did you hear about..."

11. ## social studies

What does income polarization mean?

12. ## Physics Help2I!!!

There are six books in a stack, and each book weighs 5N. The coefficient of friction between the books is 0.2. With what horizontal force must one push to start sliding the top five books off the bottom one? I got 7N, but i think it is wrong. How can I

13. ## math urgent

which property is illustrated by the equation? commutative property of addition distrubutive property additive inerse property additive identity property

14. ## Chemistry

How do you tell if a molecular shape (VSEPR) is symmetrical or asymmetrical? I know that if it has lone pairs, it must be asymmetrical, but are there any other factors that could make it asymmetrical?

15. ## Chem

When 0.0500 moles of HCL is reacted with 0.0500 moles of NaOH in 50.0 mL of water, the temperature of the water increases by 13.7 degrees C. Caclulate the heat for this reaction in terms of joules per mole of HCl. The heat capacity of the system is 209.2

16. ## author

Does anyone know Gertrude stein's theme in her literature and how does it connect to the theme of the lost generation and the sun also rises.

17. ## Science

Grass, Birch, Balsam Fir, Fox, Wolve, Moose, Snowshoe hare, Ticks, Mosquitos .. what are the producers, primary consumers, seconday consumers and the tertiary consumers?

18. ## math

x=5-9y 4x+9y=-7

19. ## Math

The product of 1000 whole numbers is 1000. What is the largest possible value the sum of these numbers can have? A)1000 B)1992 C)1993 D)1999

20. ## Biology

What are 5 organisms that use energy in sunlight to make food, and what is the name of this organism? What are 5 organisms that must consume other organisms in order to obtain food?

21. ## College Chemestry

an agueous solution of ethlylene glycol (C2H6O2) is 40% ethylene glycol by mass, and has a density of 1.05g/ml. What are the molarity, molality, and mole fraction of the solution? Do you know how to solve this...I am kinda lost..please help

22. ## Science

How much force is there to lift an object?

23. ## English

Look at the diagram. 6 persons are sitting at the table. Where is A? What is the position of B? What is the place of E A is on B's right side. C is on the right side of D. E is across from F. ( Are the expressions right? Can we remove 'side' in the two

24. ## math

This is an SAT prep question. A woman drove to work at an average speed of 40 miles per hour and returned along the same route at 30 miles per hour. If her total traveling time was 1 hour, what was the total number of miles in the round trip?

25. ## science

what is surface tension?

26. ## Physics

There are two objects of masses M and m. The horizontal surface allows for frictionless motion. The string ties to the two objects is massless and passes over a massless pulley that rotates without friction. If M=4.23 kg and m=1.24 kg, what is the

27. ## Calculus

Two sides of a triangle have constant lengths a and b, and the angle between them is theta. What value of theta will maximize the area of the triangle? so far i have the formula and the derivative. A=.5absin(theta) A'=.5abcos(theta) then i set the

28. ## check american government

Why does the Constitution allow the Federal Government to levy taxes?The Constitution restricted the ablility of the Feds to tax and specifically forbids direct taxes like income tax, social security taxes and other payroll deductions. It was changed by

29. ## help me plz

if a and b are both odd integers, which expression must always equal an odd integer? 1 a+b 2 a*b 3 a-b 4 a/b

30. ## Math

how would you solve this problem? Adult tickets to a play cost \$12 and children's tickets cost \$5. If 220 tickets were sold and \$2542 was collected, how many of each kind of ticket was sold? There are 500 seats in the theater and 280 seats are already

31. ## math-calc

Two sides of a triangle have constant lengths a and b, and the angle between them is theta. What value of theta will maximize the area of the triangle? so far i have the formula and the derivative. A=.5absin(theta) A'=.5abcos(theta) then i set the

32. ## Algebra College

1. Suppose you are in the market for a new home and are interested in a new housing community under construction in a different city. a) The sales representative informs you that there are two floor plans still available, and that there are a total of 56

33. ## Geo

What is an example of redevelopement in the midwest region of the U.S.

34. ## Physics

two toy ducks are attached to each other by a string and being pulled by a happy guy. the ducks were 2.0 kg and 5.0 kg (front duck) and the guy was pulling them with a force of 10 N. calculate the acceleration if kinetic coefficient = 0.10. Calculate the

35. ## science

How does inquiry-based learning differ from the traditional model, with the teacher as the source of all instruction?

36. ## calculus HS

Analtical method to evaluate Lim X -> -infinite

37. ## Chem

What is the quantity of heat evolved when 111.9 grams of H2O(l) is formed from the combustion of H2(g) and O2(g)? H2(g) + 1/2 O2(g) --> H2O(l) Delta Ho = -285.8 kJ A. -0.4 kJ B. 1776.7 kJ C. 0.4 kJ D. -1776.7 kJ E. -6.2 kJ

38. ## research writing

Emotional Appela has no place in expository writing. Do you agree. my answer is yes i do. Why, or Why not. why because you have to do alot of research with some opinoins right. What do you think about my answers.

39. ## Calculus

Find the values for which f(x) = x^10-10x and if 0 (less than or equal) to x (which is less than or equal to) 2. a) f(x)has a local max or local min. Indicate which ones are max and which are mins. b) f(x) has a global max or global min could you kind of

40. ## research writing

Did Christensen use any counterarguments in his article in AIDS in Africa: Dying by the numbers. yes he did use counterarguments. Were they need to advance his thesis? yes it was needed to advance his thesis. What do you think of my answers. please do give

41. ## american government

how can a governors message power affect legislation in a state?

42. ## Math riddle, I need help!!

Person A has one amount of money in his pocket, Person B has one amount of money in his pocket. If person A gives X amount to person B, person B will end up with 3 times more money than person A. However if person B gives the same amount X to person A,

43. ## chemistry

fe 3+ + scn- fescn2+ Apparatus and materials: 0.2 M Fe(NO3)3, 0.002M Fe(NO3)3, 0.002 M KSCN. PRELAB: for this section [fe3+]i = y [scn-]i = z and [fescn2+]eq = x using the symbols y,z,x, fill in the ice char. note that the rxn starts w/ reacts. only at

44. ## Calculas HS

A glass of cold milk from the refrigerator is left on the counter on a warm summer day. its temperature y (in degrees Fahrenheit) after sittin gon the counter t minutes is y= 72-30(0.98)^t Answer the question by interpreting y and dy/dt. 1. what is the

45. ## american government

a police officer has arrested a suspect and produced evidence of wrongdoing. list three questions you would ask the officer to determine whether the freedom and security of the suspect have been violated

46. ## research writing

However, I think he used some counterarguments although they were not glaring. He did address the views of people who might not care too much about the problem for one reason or another, and suggested reasons for perceiving it as everyone's business. What

4(2x+7)=108

48. ## Math

Name a fraction that is less than 2/3 but greater than 1/2.

49. ## Pencils

Hey guys, I know this is a homework site, but I cant seem to find this anywhere on the web. I cant seem to find this pencil my chemistry teacher suggested to get, since I'm on the chem league, we will be doing a lot of Multiple Choice questions and this

Name a fraction that is less than 2/3 but greater than 1/2.

51. ## social studies

How were kids educated in the Southern Colonies? Thank you.

52. ## math

5x+y=2 5x+3y=12

53. ## History

why will napoleon Bonaparte gain fame in the miltaty during the french revloution?

54. ## help needed ....urgent

Around the time of the Roman Empire the terms inch, foot and yard were refined. What was the length of a foot based on?

55. ## american government

the powerful but unofficial post of president of the senate involves steering floor action to a party benefit. is true or flase im not sure

56. ## Math

I am kinda stuck on this one Simplify: (x^7 y^4)to the 1/5 power I don't know what to do for this problem. I am lost with what to do with the exponents when you have a number on the outside of the root.

57. ## math

7x-4y=-10 4y=x-2

please show me how to solve for 5m/m+1 divided by 25m to 2nd power divided by m to 2nd power + 6m +5

59. ## Chemistry

please I need help with this. what is the difference between molality, normality and molarity? and adhesive forces and cohesive forces? I am very confused. please help thanks

60. ## social studies

What was the type of ship that Hernando Cortes sailed? Thank you.

61. ## college

Exercise 9.1 The following data represent total personnel expenses for the Palmdale Human Service Agency for past four fiscal years: 20X1 \$5,250,000 20X2 \$5,500,000 20X3 \$6,000,000 20X4 \$6,750,000 Forecast personnel expenses for fiscal year 20X5 using

62. ## physics

Calculate how many joules of energy would be needed to take 2kg of ice at -5 and turn it all to steam at 100 degees celcius?

63. ## american government

a police officer has arrested a suspect and produced evidence of wrongdoing. list three questions you would ask the officer to determine whether the freedom and security of the suspect have been violated

HOW DO YOU CHANGE AN IMPROPER FRACTION INTO A WHOLE OR MIXED NUMBER

65. ## literature

Can you please revise this for me? Tears: Easily coming, easily going. Effortless work for salty streams flowing. Might come when you're here, might come when you go. But tears are definitely good work's foe ---Does the last line make sense?--- thanks

66. ## Chemestry

Calculate the freezing point of a solution containing 12.2grams of benzoic acid, C6H5CO2H, dissolved in 250 grams of nitrobenzene, C6H5NO2. The freezing point of nitrobenzene is 7.7 C, and its freezing point depression constant is 7.0 C/m.

67. ## algebra 2

how do you solve this? -2square root7-4square root7

68. ## calc

is this correct? the derivative of A=.5absin(theta) where a and b are constants, is A'=.5ab*cos(theta)

69. ## math help

This problem is a little different Simplify: ^5 sqrt symbol(x^7 y^4) How would I solve this problem?

70. ## algebra

10-5=3y 2x-3y=1 i am totally lost help please

71. ## computer science

I have a horrible TA as a professor with a bad Indian accent that I cant understand and I am very confused with what we are doing. Encrypt the following byte message into its Cipher and again decrypt it into original form based on RSA public key

72. ## science

Why do organisms need a constant supply of energy and what are 3 biological activities that require energy?

73. ## Math

In the list of numbers 1,2,3,4,5,6,7,8,9, how many of the numbers in the list are exactly 2 more than some other number in the list? A)2 B)7 C)9 D)11

74. ## Math

A bag contains 2 red, 2 blue, and 2 green marbles, Sue takes one marble at a time from this bag without looking. What is the least number of marbles Sue must take from this bag to be sure that she has taken 2 marbles of the same color? A) 2 B)3 C)4 D)6

75. ## physics

tad drops a cherry pit out the car window 1 m above the ground while traveling down the road at 18 m/s. a.how far, horizontally, from the initial dropping point will the pit hit the ground? b. if the car continues to travel at the same speed, where will

76. ## algebra

10x-5=3y 2x-3y=1 still lost help please

Musicians generate sound waves when they sing or play an instrument. The rate at which a sound wave vibrates determines the musical note, or pitch, that you hear. For example, The A note above a note called Middle C has a frequency of 440 vibrations per

78. ## Radical and Rational exponents

Estimate how long it takes you to complete a task of your choice (house cleaning, mowing, etc.) in a given week. Suppose that Joe is slower than you at the given task and takes three times as long as you do. If you work together, how long would it take you

79. ## Health

I am studing to be a medical assitant. I am having a hard time remembering and pronouncing the medical terminology. Can you give me some ideas of becoming better at LARGE words and their meanings?

80. ## General Chemestry

Diacetyl, a substance contributing to characteristic flavor and aroma of butter, consist of 55.8% C, 7.03% H, and 37.17% O. In the gaseous state at 100 C and 747 torr, a 0.30 gram sample occupies a volume of 111ml. What is the molacular formula of

81. ## Physics - AHH!!!

Jimmy has caught two fish in Yellow Creek. He has tied the line holding the 4.30 kg steelhead trout to the tail of the 1.39 kg carp. To show the fish to a friend, he lifts upward on the carp with a force of 87.7 N. What is the tension of the rope

82. ## Astronomy

Need some help with Astronomy. I need to figure out the acceleration of gravity on the surface of certain planets. For example, I need to find the acceleration of gravity on Mars when the mass is .11 times the mass of Earth and the radius is .53 times the

83. ## Physics

A block slides down a frictionless plane having an inclination of 14.3°. If the block starts from rest at the top and the length of this incline is 1.77 m, find the acceleration of the block. b)What is the block's speed when it reaches the bottom of the

84. ## Science

Have people gone near to the eaths crust?

85. ## pigskin

identifythe teams from cities located on a bay that will visit a city also located on a bay

86. ## chemistry

calculate the number of Mg2+ ions in each mL of 0.162M(molarity) magnesium bromide

87. ## psy#4

select one theory of personality and use this theory to tell Michael how this theory explains his situation

88. ## Communications

describes how American privatization has escalated new media to promote growth and U.S. status in communication technology, but at the cost of stifling: Public influence on content, equitable access, nonprofit and educational broadcasting.

89. ## us history

how was the us not justified in declaring war on great britain in 1812

90. ## algebra ll

from a group of 6 men and 4 women , a committe of 3 is to be selected at random. find p(at least 2 woman)my answer is 1/6 if wrong give right answer and show the work please thank you

91. ## interpesonal relationship

Inventory score is 18 out of 40, what am I? An internal locus of control or external locus of control?

92. ## algebra ll

students are given a list of 10 vocbulary words to learn. in how many ways could four of the wwords be listed on the test? if wrong give correct answers please my answer is 3780.

93. ## Population Density - Geo

predict the number of people that may live on planet earth in 100 years. how would i figure this out??

94. ## Chemestry I

Sorbitol is a sweet substance found in fruits and berries and someties used as a sugar substiture. An aqueous solution containin 1g of sorbitol in 100g water has a freezing point of 0.102C. Elemental analysis indicates that sorbitol is 39.56%C, 7.75%H, and

95. ## american government

Are these 5 key terms true or false? The Key terms are capitalized. 1. In a DICTATORSHIP, supreme authority rests solely with the people. 2. GOVERNMENT is the process of accommodating different needs and viewpoints. 3."Government of the people, by the

96. ## Math

Simplify: ã63 I have the answer as 3ã7 is that right?

97. ## literature

the role self-respect (in this context it means respect for one's own physical safety) play in an individual's response to injustice.

98. ## Physic HELP!!!!

An ice skater moving at 10.0 m/s coast to a halt in 1.0 x 102 m on a smooth ice surface. What is the coefficient of friction between the ice and the skates?

99. ## physics

What is the evidence for the claim that iron exists in a relatively cool outer layer of the sun?

100. ## maths ///

if a and b are both odd integers, which equation is always true? 1 a/b= b/a 2 a-b= b-a 3 a+2b= b+2a 4 a+b= b+a

101. ## Math help

Simplify: ^3ã-216/(x^9) I have the answer as -6/(x^3) Is that right?

102. ## com220

Some students might be tempted to overuse statistics to make uo for length in their research essays if they have problems generating sufficient text. How can writers strive for balance when using statistics?

103. ## com220

I think he used some counterarguments although they were not glaring. He did address the views of people who might not care too much about the problem for one reason or another, and suggested reasons for perceiving it as everyone's business. What do you

104. ## Psychology

Summarize the multi-factorial model and how it relates to the diagnosis of illnesses

105. ## English

When small incidents serve to represent bigger pictures, what is that called? Would it be a metaphor? Symbol? Analogy? or what? I am referring to Robert Frost's poems. He takes everyday incidents and make them represent life as a whole. Is that a metaphor?

106. ## history

how was the united states not justified in declaring war on great britain in 1812 . PLease i need a lot of websites to write a big essay

107. ## Stats

What is the difference between covariance of two variables and the correlation coefficient of two variables?

108. ## algebra2

-3x+y=-2 -2=7x-y

109. ## Fundamentals of Management

My Question is.... What is most evident in the level of control Starbucks has as a successful business? Help me I'm a little lost.

110. ## Math

Simplify: square root of 25a^2 I have the answer as 5a is that right?

what are 10 different types of liquids,solids, and gases.

112. ## physics (emergency!)

How much work is required to stop an electron (m = 9.11 10-31 kg) which is moving with a speed of 1.99 106 m/s?

113. ## chemistry

a mixture is prepared using equal masses of two volatile liquid benzene, C6H6 and ethanol C2H5OH. what is the mole fraction of benzene in this mixture?

114. ## Math Help

I'm not really sure on how to prove statements are right with properties as reasons. How would you solve this? If x + c = 0, then x = -c Statements: 1. x+c=0 2. (x+c)+(-c) = 0 + (-c) 3. x + [c+(-c)] = 0 + (-c) 4. x + 0 = 0 + (-c) 5. x = (-c) Would 5 be the

Compare the character in the song, "I Got Plenty O' Nuttin" to the character in the song, "Busted" by Ray Charles.

116. ## AP English Comp

Help - Baldwin's - Notes of a Native Son - 1. What are the time periods of the essay? Baldwin does not present them chronologically; how does he connect them?

117. ## algebra

what should you not do if you want to help get rid of graffiti

118. ## Grammar

Which one is correct? "There are studies and research that supports categorizing obesity as a mental disorder..." or "There are studies and research that support categorizing..."

119. ## history

why would the repeal of the stamp act cause the American revolution?

120. ## com 220

For your final research paper, it will be helpful to include counter-arguments. In AIDS in Africa: Dying by the numbers did christensens use any counterarguments in his article? my answer is yes what do you think? Were they need to advance his thesis? my

121. ## Chemistry

A 156.5 g piece of stainless steel was heated to 510 C and quickly added to 25.11 g of ice at -30 C in a well-insulated flask that was immediately sealed. What will be the final temperature of the system if there is no loss of energy to the surroundings?

122. ## AP English Comp

Same type of ?- Using - Notes of a Native Son by Baldwin 3. Baldwin uses many different writing techniques in the essay. Find instances of concrete description, action, reflection, and strong argumentative assertions. How do these techniques further his

123. ## roman history

i have to make a diary of a roman farmer in the time zone of 100-300 CE. i need three days in this diary and an interesting incident or event in his life. im stuck any ideas on an event or anything?? thanks so much!

124. ## Math

How would you find the value of m in this problem? 4m + 2 = -2 + 4m Well, I brought the 2 over to the right side by subtracting. That left me with 4m = -4 + 4m. Then, I subtracted the 4m from the right and did to the other side to get 0 = -4. Is there no

125. ## Math

Identify the rate, base, and amount 23% of 400 is 92 Complete the statement: 8 ft = _____ in Complete the statement. (Round to the nearest hundredth.) 250 km = _________ mi 3.Find the rate: 69 feet and 3 seconds Find the rate: 57ounces and 3 cans Solve the

126. ## Physics

a 500g piece of silver at 150 degrees celsuis is submerged in 1000g of water at 5 degrees celsuis to be cooled. determine the final temperature of the silver and water given. Cwater=4.18 x 10^3 J/kg.C Csilver = 2.4 x 10^2 J/kg.C

127. ## MATH

What number is as much greater than 36 as it is less than 94.______ I got 62 is it right? if not will you please help me,

128. ## science

what is the chemical relationship between pectin and pectinase and is is caused by dehydrtions synthesis or hydroysis?

Could you please clarify what your intentions were behind what you said on Friday the 24th in a thread that was marked as "society"? The time stamp was 2:22. I have already left my own personal interpretation there.

130. ## algebra ll

from a group of 6 men and 4 women , a committe of 3 is to be selected at random. find p(at least 2 woman)my answer is 1/6 if wrong give right answer and show the work please thank you

131. ## chemistry

i have no idea how ionization works, yet i have to do a worksheet on it! help! how does ionization, and how do you tell which element has a higher ionization energy in relation to another? PLZ ANSWER SOON! I NEED HELP!

132. ## algebra ll

students are given a list of 10 vocbulary words to learn. in how many ways could four of the wwords be listed on the test? if wrong give correct answers please my answer is 3780.

133. ## Math

Simplify: sqrt x^2-8x+16 I know that this can be factored out to sqrt (x-4)(x-4) what do i do next?

134. ## Chemistry

A 156.5 g piece of stainless steel was heated to 510 C and quickly added to 25.11 g of ice at -30 C in a well-insulated flask that was immediately sealed. What will be the final temperature of the system if there is no loss of energy to the surroundings?

135. ## math

a farmer with 10,000 meters of fencing wants to enclose a rectangular field and then divide it into two plots with a fence parallel to one of the sides. What is the largest area that can be enclose?

136. ## social studies

What did the Mesopotomians and Israelites have in common?

137. ## Algebra

I'm not sure if anyone saw my question yesterday, but here it is again. Even if you can only answer 1 or 2 of the questions, that is fine. I am so confused with the rules of exponents. I know them, but I have a hard time applying them because of all the

138. ## check american government

im suppose to right an essay if the president is too powerful. is this good. The Articles of Confederation was our first Federal Constitution. It proved too weak to carry on the work of a national government. Under the Articles, each year the Congress met,

139. ## Math

I am kinda stuck on this one Simplify: ^5sqrt x^7 y^4 I don't know what to do for this problem. I am lost with what to do with the exponents when you have a number on the outside.

140. ## culture

How do you think an average American’s perceptions of each group are created

141. ## geometry

Prove: if th bisector of an angle whose vertex lies on a circle passes through the center of the circle, then it is the prpendiular biector of the se,emt joining the points where the sides of the angle itersect the circle.

142. ## Chemistry

How many joules are required to convert 34 grams of ice at 0 degrees celcius to water at the same temperature? (Can you please show how you go the answer)Thanks!

144. ## Math

Find the missing value for the following triangles: Base: Height: Area: 27in. 54in.^2 4cm 64cm^2

146. ## Pre-Calculus

The table below shows a frequency distribution of the number of pickup trucks sold at 85 truck dealerships in Maine over an 18-month period. Number of trucks sold/Number of dealerships: 70-90/2 90-110/11 110-130/39 130-150/17 150-170/9 170-190/7 Find the

147. ## Algebra

I can not figure out how to solve this problem: "Two planes left the Chicago airport at the same time four hours ago. One is 40 miles per hour faster than the other one, and they are 6600 miles apart. What is the rate of each plane?" I am not the best at

can you unscramble achtres-it is part of the body beginning with the letter t

149. ## Spelling

Sorry, another quick question... u is a vowel, so shouldn't there be a "an" before it?/ For example: "Distress is not an universal association..." However, microsoft word keeps correcting me to say "a" instead.

150. ## research writing

How can writers stive for balance when using statistics?

152. ## Math

There is a long fence along the border of 2 mens property. 1 man is using the existing fence to make a cattle pen. He has 500 ft of fencing. Suppose the pen extends x ft away from the existing fence along the border. Find an expression for the area in

153. ## algebra

solve p=60(20)-m(6)+300

154. ## check american government

although a democracy is based on freedom of expression, most people recognize the need to allow the government to exercise control over such things as false and misleading advertisements of illegal products, Is the banning of cigarette advertising on

155. ## math

x+y=1 2x-y=-2

156. ## math

How Do I Solve -10 To The 3rd power?

157. ## american government

briefly describe how the congress is organized. can you give me some information please

158. ## Math

Simplify: sqrt(4x^2)/(36y^6) is the answer x/(3y^3)?

159. ## american goverment

although a democracy is based on freedom of expression, most people recognize the need to allow the government to exercise control over such things as false and misleading advertisements of illegal products, Is the banning of cigarette advertising on

160. ## english

can any of you unscramble this each line is scrambled Corny Barn Owl Brr Egg Now Robin Crew Warn Bones

161. ## math

a man is building a studio that has a circular base. the interior of studio has a diameter of 40 feet. what is the area of the floor space?

162. ## trig

find each value by referring to the graphs of the trig functions. 1. sec 4 pi...i got 0 Find the values for theta for which each equation is true. csc (theta)=1 i got pi over 2 +2 pi n

163. ## Math

^3sqrt4x ^3sqrt6y Not sure of how to work this problem.

164. ## physics

an object of mass 10kg is dropped from a 20 m cliff. what is the velocity just before the object strikes the ground?

165. ## Math

I am kinda stuck on this one Simplify: ^5sqrt(x^7 y^4) I don't know what to do for this problem. I am lost with what to do with the exponents when you have a number on the outside.

166. ## physics

density of silves is 10.5 X 10^3 kg/m^3. find the volume occupied by 2 kg of silver.

167. ## Chemistry

What is the quantity of heat evolved when 111.9 grams of H2O(l) is formed from the combustion of H2(g) and O2(g)? H2(g) + 1/2 O2(g) --> H2O(l) Delta Ho = -285.8 kJ

168. ## Math (precalculus)

I have a question about the symmetry of graphs, but maybe it's more of a simple factoring question... Why is f(x)=x+(1/x) odd, while h(x)=x-x^2 is neither even nor odd? I understand that f(-x)=-x-1/x=-(x+1/x)=-f(x) is odd because f(x)=f(-x). Then for

169. ## math

expressions with possitive and negative exponents. how do u leave no exponents in the denominator?

170. ## PHYSICS

This is the exact problem from the paper and I got an answer of 4.2 * 10^7 and I was wondering if this was the right answer. What is the height above the earth's surface at which all synchronous satellites (regardless of mass) must be placed in orbit? The

171. ## Math

add. 4 1/7 + 1 1/2=

172. ## it

i need an sample of a project management contengency plan