# Questions Asked onFebruary 17, 2009

1. ## Algebra 1

5 green balls and 2 red balls together weigh 10 pounds, and 1 green ball and 4 red balls together weigh 7 pounds. If all red balls weigh the same amount and all green balls weigh the same, then what is the weight of 8 red and 8 green balls together? I'm

2. ## math

when a ball falls vertically off a table it rebounds 75% of its height after each bounce. if it travels a total of 490 cm, how high was the table top above the floor

3. ## Algebra 1

the sum of eric's and bob's weights is 9 times greater than the difference of their weights. the positive difference of their weights is also 240 lbs less than the sum. if eric weighs less than bob, find bob's weight. i can't find an equation for this. any

4. ## Poem/Daybreak in Alabama

In Hughe's Poem whichof the following things is not something the composer says he is going to put into his music? a. tall trees b. swamp mist c. the smell of red clay after rain d. the scent of pine needles B to what does Hughes compare the color of

5. ## Simple

is the image that a magnifying glass produces real or virtual and how do you figure that out?

6. ## college

a 50.0g silver spoon at 20.0c is placed in a cup of coffee at 90.0c. How much heat does the spoon absorb from the coffee to reach a temperature of 89.0c

7. ## Algebra

At a certain time, Janice notices that her digital watch reads (a) minutes after two o'clock. Fifteen minutes later, it reads (b) minutes after three o'clock. She is amused to note that (a) is six times greater than (b). What time was it when she looked at

8. ## Lit/poems

Daybreak in Alabama The Planet on the Table What tone is used by each poet in these poemes--detached, cynical, philosophical, playful, solemn, ironic, or passionate? What language in the poems helps you determine the author's tone? Write 2 paragraphs in

9. ## Algebra

The sum of Eric and Bob's weights is 9 times greater than the difference of their weights. The positive difference of their weights is also 240 pounds less than the sum. If Eric weighs less than Bob, find Bob's weight. I am not sure at all how to solve

10. ## Poem

To realize To realize the value of ten years:Ask a newly divorced couple. To realize the value of four years: Ask a graduate. To realize the value of one year: Ask a student who has failed a final exam. To realize the value of nine months: Ask a mother who

11. ## art

what is franz marcs most famous painting(appart from the yellow cow)

12. ## math

Three ordered pairs for 4x - y = 7

13. ## cultural diveral

What differentiates the act of simply grouping people from the act of stereotyping? How can stereotyping effect group relations? Give an example of a stereotype you find in your everyday life. Comment on the experiences of your classmates—are they the

14. ## Trig

tan(to the second power) s sin(to second power)=tan(to second power + cos(second power) s - 1...I need the steps on how to get it to equal...problem looks like tan2 s sin2 s=tan2 s + cos2 s - 1...thanks if you can figure it out

What is the greatest remainder if the divisor is 4?

16. ## bio

How do you draw a tetrapeptide from the one letter codes(Amino acids) and also give the pI, if given the pKa values? For example the Amino acids: S,T,G,L i need some guidance, so i just look up the codes and draw them attached to each other form n-terminus

17. ## SAT Essay

Reposting. Most people underestimate their own abilities. They tend to remember their failures more vividly than their successes, and for this reason they have unrealistically low expectations about what they are capable of. Those individuals who

18. ## Healthcare

I need some help with Describing at least two factors that influence patient communication.

19. ## SAT Essay

Most people underestimate their own abilities. They tend to remember their failures more vividly than their successes, and for this reason they have unrealistically low expectations about what they are capable of. Those individuals who distinguish

20. ## Lit/Poem/Daybreak in Alabama

In Hughes's poem, to what could "daybreak in Alabama" refer? a. a beautiful sunset b. westward migration c. a natural disaster d. change for the better i think its A or D

21. ## Lit/Poem/The Planet on the Table

The subject of Steven's poem is the a. writing of poetry b. solar system c. speaker's disillusionment d. richenss of language A?

22. ## Math

francois is stokcing a new fish pond on his farm. The pond is filling slowly and the volume of water in it can support a certain number of fish,(variable-F). F=42m+250, where m is the number of months the pond has been filling. the pond was stocked

23. ## biochem

How do you draw a tetrapeptide from the one letter codes(Amino acids) and also give the pI, if given the pKa values? For example the Amino acids: S,T,G,L So i know i decipher the the codes then to make tetrapeptide i start with the n terminus to the c

true or false A grantor of a life estate in real property maintains a reversion estate.

25. ## social studies

um it was war world 1

26. ## algebra

320 is 220 is what type as decimal. I got 1.5

27. ## Biology

Which biological components (types of molecules) would be especially sensitive to pH changes? Why is this so?

28. ## 9th grade lit poem

I need assistance I was on here before with this poem but not with the same name (Lemon Pie). The poem is making a fist by Namomi Shihab Nye. I don't understand it. Could someone try to make me understand it I would appreciate it thanks for you time LP

29. ## algebra

5 green balls and 2 red balls together weigh 10 pounds, and 1 green ball and 4 red balls together weigh 7 pounds. If all red balls weigh the same amount and all green balls weigh the same, then what is the weight of 8 red and 8 green balls together? I'm

30. ## math

how do you graph 3y-2x= -3 ?

31. ## French

Can you please unscramble these letters into 4 words with this spacing. xxx xxx xx xxxxxxxx? CPOBETULEEIQSAUL Thank you

32. ## Algebra 1

just reposting :):) i still don't really get it. "Tweedledum says: the sum of your weight and twice mine is 361 lbs. Tweedledee says: contrariwise, the sum of your weight and twice mine is 362 lbs if both are right how much do they weigh together?" i got

33. ## math

suppose an arithmetic sequence and a geometric sequence with common ration r have the same first two terms. show that the third term of the geometric series is r^2/(2r-1) tomes the third term of the arithmetic sequence

34. ## gravitational potential

(1) 2 particles of equal mass are fixed at X=0 and another +ve point on the x axis. No other grav influences are in the system. (they can be ignored) I have to derive an expression for Vgrav at a general position x, on the x axis. I believe this is related

35. ## urgent chem help ( dr bob plz)

A particular household ammonia solution (d= 0.97g/mL) is 6.8% NH3 by mass. How many milliliters of this solution should be diluted with water to produce 650 mL of a solution with pH = 11.55? ------------------------- i am gettig 5.3 x 10^-10 is that rite

watz -3 /3?

37. ## physics

please check these; a container of gas is at pressure of 3.7*10^3 Pa. How much work is done by the gas if its volume expands by 1.6 m. 5.92 * 10^5 A 0.10 kg piece of copper at an initial temperature of 95degC is dropped into 0.20 kg of water contained in a

38. ## physics

This is going to be hard to explain, but here goes! Four resistors, R1 = 30.0 ohm, R2 = 52.0 ohm, R3 = 93.0 ohm and R4 = 17.0 ohm, are connected to a battery with a terminal voltage of 18.0 V, as shown in the figure below. ____R1____R2__________ | |

39. ## Math

Is a polynomial in standard form equal to a polynomial not in standard form?

40. ## math

how can you set an equation to y=mx +b form? Example: 6x-4y=12

41. ## physics

A rock is thrown straight upward with an initial velocity of 9.6 m/s in a location where the acceleration due to gravity has a magnitude of 9.81 m/s^2. To what height does it rise? i got 4.7 can you please show me how to solve for this last one

42. ## english Ms. Sue

Why should society as a whole change its way of thinking and begin to spread ideas with each other. Relating back to how does social norms change war as a social disease versus non-conformity

I am doing a poster on John Quincy Adams and the background needs to consist of something that describes something important in the president's lifetime. I would like to know any interesting or funny facts on John Quincy Adams. Thank you sooooo much for

44. ## fundamentals of college writing

i need someone to proofread. looking for fragments, paragraph structure, and run on sentences.....\ Here are a few resturants you must visit on your vacation to Maui. If your looking for a very good meal at a price far below fancier resturants Paia Fish

45. ## social studies

what happen to sacco and Vanzetti and why did people think it was unjust?

46. ## science

can carbon disulphide dissolve a sulphur sample

47. ## Government

I am working on a test review for Gov't and I cant find any information whatsoever in the text book. The question is... Identify and explain why the following is important... separation of church and state, religious toleration, Maryland Acts of

48. ## spanish

if i was saying we entered the house, would it be entramos la casa or entramonos la casa

49. ## urgent chem help ( dr bob plz)

A particular household ammonia solution (d= 0.97g/mL) is 6.8% NH3 by mass. How many milliliters of this solution should be diluted with water to produce 650 mL of a solution with pH = 11.50? ============================ first i did was ph = 11.50 PH=

50. ## Algebra

I am given an equation.. x^2-y^2-2x-6y = 8 Move things around... (x^2-2x)-(y^2-6y) = 8 I need to find out what kind of graph this makes. How do I do this?

51. ## algebra word problem: still stuck

question: rachel allows herself 1 hour to reach a sales appt 50 miles away. after she has driven 30 miles, she realizes that she must increase her speed by 15mph in order to get there on time. what was her speed for the first 30 miles? Responses * college

52. ## math

to to muliply wih zeros?

Five students make the following guesses on the number of jelly beans in a jar:72,78,68,60,84.The guesses were off by 14,2,4,6 an 10 (not in order). How many jelly beans are in the jar. my answer is 74.

54. ## government

what are the power of congress?

55. ## chem

A particular household ammonia solution (d= 0.97g/mL) is 6.8% NH3 by mass. How many milliliters of this solution should be diluted with water to produce 650 mL of a solution with pH = 11.55?

56. ## Algebra 2

Solve the system using any algebraic method. 22.)2x-5y=4 23.)5x+7y=12 24.)3x-4y=6 3x+4y=9 3x-2y=8 4x+7y=1 Thanks!

57. ## Physics

(1) 2 particles of equal mass are fixed at X=0 and another +ve point on the x axis. No other grav influences are in the system. (they can be ignored) I have to derive an expression for Vgrav at a general position x, on the x axis. I believe this is related

58. ## Math

How do you find the slope of a line?

59. ## calculus

how do you integrate 30x^2/(x-2)(x+3)(x-5)

60. ## written communications

when your ordering goods from a distributor the best way to indicate the items you wish to order is to a. mention the items several times in the letter b. list items oj a separate sheet to accompany the letter c. list the items after the signature of the

61. ## philosophy

how did Augustine address the fact that the Greeks and their philosophy did not have the problem of evil?

62. ## Math

Find all values satisfying x f(x) 3x-1 g(x) x^2-5x+12 (f*g)(x) = 17

63. ## physics

so i have a circuit (series) where the the emf=12 V and R1=2 ohms and R2=0 ohms. Basically, theres's a square. The battery voltage(12V) is on the left side. The R1=2 is on the top side of the square and R2=0 ohms is on the right side of the square. The

64. ## EW! GRAMMAR!

Can someone help me find GOOD pratice tests for Prepositional phrases, Participial phrases, gerunds phrases, infinitive, appositive, adjective phrase, adverb phrases, main clause, subordinate clause, complex clause and compound complex clause Thanks!

65. ## ecology

what causes the buildup of a river delta

66. ## Math

How would you simplify and prove (csc x - cot x)^2 = (1-cos x)/(1+cos x)? I've tried a lot of different starts, but I keep getting stuck.

67. ## algebra/math

Rico's collection of quaters and dimes contains \$32.85. There are 171 coins in all How many quarters and how many dimes are in Rico's collection? i solve these with 2 equation. would they be: q + d = 171 25q + 10d = 32.85 help me please.

68. ## Government

I am working on a test review for Gov't and I cant find any information whatsoever in the text book. The question is... Identify and explain why the following is important... 2. Events leading to the American Revolution: French & Indian War, Albany Plan,

69. ## Science

What type of reasoning occurs when bits of specific information are gathered together in order to make a generalization? deductive inductive demonstrative productive im not sure...my teacher just gives us the worksheet and leaves to the lounge

70. ## Thank you

Thank you Mrs.Sue

71. ## biology

What does the phase biological interrelationship mean

72. ## pre-calc

Newline Recyclers processes used aluminum into food or dink containers. The recycling plant processes up to 1200 tons of aluminum per week. At least 300 tons must be produced for food containers, while at least 450 tons must be produced for drink

73. ## Algebra

Swimming space. The length of a rectangular swimming pool is 2x -1 meters, and the width is x + 2 meters. Write a polynomial a(x) that represents the area. Find A (5).

74. ## Earth Science

Coastal areas are usually warmer in winter than areas inland because?

75. ## Algebra

4x - y = 7 I need ordered pairs for this linear equation, I was wondering of some possible solutions. Thanks!

76. ## Spanish

Hi, can someone translate these question for me please? 1. Son las ocho y media 2. Son las nueve y cuarto 3. Son las diez 4. Son las doce menos diez 5. La clase de matemáticas las ocho y media 6. Hay mucho exámenes en la clase de español 7. Maria tiene

77. ## English

Lord of the Flies: Chapter 4 Reading and Study Guide I need helppp!!! 16. What does Raplh see in the distance? 17. What happened to the smoke on the mountain? How does Ralph react? 18. What does Jack return with? 19. What do the boys chant upon their

78. ## Quick Spanish #2

Describe what you have to do in each class in order to get a good grade. Use complete sentences. 1. (la clase de español)______________ 2. (la clase de matematicas)____________ 3. (la clase de ciencias)_____________ 4. (la clase de ingles)______________

79. ## Math 116

Evaluate m/n for m= 16 and n=2 so what does m/n=8 is that right. Also this problem 11x=198 x=2178 is this right

80. ## chemistry

a compound made in the first part of an experiment, [Co(NH3)5Cl]Cl2 appeared to be a dark brown/orange/purple color. This product was then used as a reactant to synthesize [Co(NH3)5ONO], which was a red color. how do you account for the differences in

81. ## math 116

why is everythime I ask help noone will help.

82. ## Grammar

What are Participles and participle phrases? Can I also get some examples so it can be a little easier for me? Thanks -MC

83. ## it

How might an automobile company use a management information system to reduce its costs and better serve its customers?

Rico's collection of quaters and dimes contains \$32.85. There are 171 coins in all How many quarters and how many dimes are in Rico's collection? i solve these with 2 equation. would they be: q + d = 171 25q + 10d = 32.85 help me please.

85. ## SOSE

THE FUTCHER AFTER 1962 AVALANCH OF PERU

86. ## Western Civlilization

Why did Martin Luther, Zwingli and John Calvin succeed in forming their own churches when others failed?

87. ## govt

in obc categary need non crimilayer certificate related it what is meaning of computoer code under the web site

88. ## college/ vet assistant

what does lingual mean

89. ## algebra

rachel allows herself one hour to reach a sales appointment 50 miles away. after she has driven 30 miles, she realizes that she must increase her speed by 15mph in order to arrive on time. what was her speed for the first 30 miles?

90. ## mathematics

Lewis team played 6 games. They scored 2 points in the last game and lost by 3 points in the last game. How many points did their opponents score in the last game.

91. ## Honors Biology

What role did politics play in the discovery of the structure of DNA?

92. ## college algebra word problem

rachel allows herself 1 hour to reach a sales appt 50 miles away. after she has driven 30 miles, she realizes that she must increase her speed by 15mph in order to get there on time. what was her speed for the first 30 miles?

93. ## Grammar

List one verb in the sentence: Printing commands are listed in the beginning appendix. I'm confused...thanks -MC

94. ## math

A machine is either working (state 1) or not workind (state 2). If it is working one day the probability that it will be broken the next day is 0.1. If it is not working one day the probability that it will be working the next day is 0.8. Let Tn be the

95. ## Organic chemistry

Write contributing (important) resonance structures for each of the following compounds and predict their relative C=O vibrational frequencies based on the importance of the contributing resonance structures. List in them order from highest to lowest

96. ## high school

please proofread this paragraph help me with TOPIC,DETAILS AND CONCLUDING SENTENCE? DOES IT HAVE ANY FRAGMENTS OR RUN-ONS DOES IT INCLUDE PRICE LOCATION ETC ? Here are a few resturants you must visit on your vacation to Maui. If your looking for a very

97. ## Science

I am trying to find the watts, volts, and amps for eletrical appliances in the famiyroom/livingroom. Do you know of a website that has those listings because I tried to look at home on the appliances but can't find all the info. thanks:)

98. ## SAT

Are books the most important part of education, or are other modes of learning more important?

rachel allows herself 1 hour to reach a sales appt 50 miles away. after she has driven 30 miles, she realizes that she must increase her speed by 15mph in order to get there on time. what was her speed for the first 30 miles?

100. ## english root word

factum - how do I use in a sentence. If it's a root word, are there any words with factum in them? I can't find any.

101. ## college/ vet assistant

what does occlusal mean?

102. ## science

how do you sepeate a mixture of iron and sulphur using a physical method without using a magnet

103. ## English

My son is supposed to correct this incorrect sentence: He performed the backward somersault more expertlier of all. According to the rules, part of the sentence should be changed to: most expertly of all This sounds strange to me. Did he do it correctly?

104. ## Calculations

i`m being asked to find the focal length. I know that the distance from the lens to the object is 35 cm and that the distance from the image to the lens is 27 cm. I did the following: 1/27 + 1/35 = 1/f 62/945=1/f 15 15/62 = f Did I do this correctly?

105. ## Finite Math

A producer wants to put on a variety show on television. Assume that the producer has 9 skits and 6 commercials available. In how many ways can the producer create a television show? We assume that a skit is never repeated, but (unfortunately) commercials

106. ## Western Civilization

what impact did the locomotive have on america?

108. ## math

I need help with this question... Find the area of a rectangular garden whose length is 8 feet and whose width is 72 inches.

What is the equation for when vinegar reacts with baking soda?

GEOMETRIC SHAPES

111. ## algebra

I need help with this question... Find the area of a rectangular garden whose length is 8 feet and whose width is is 72 inches.

112. ## art help needed

The last major painting of Manet's career, A Bar at the Folies-Bergere, reflects the artist's: optimism pessimism intense emotion positivism I see it was expressionism, but which of the answers given is a term related to that? i think it is positivism?

113. ## Aed

I know i posted this but i need to do it again cause I can not find anything online for this... PLEASE HELP ME!! I also need to describethe books and say how i would teach it and what grade level..... Need it ASAP please Post 350- to 500-word response to

114. ## Criminal Investigations

Explain why a final exit suicide may be interpreted as a homicide and what an investigator should look for at the scene of a suspicious death that may indicate a final exit suicide.

115. ## french with japanese

what lives in a stable

116. ## french

what is government in french? thanks, you will help me with my dissertation greatly xx

117. ## Accounting

The Suns bought a reconditioned DC 3. They paid 1 million in cash and signed a promissory note with no stated interest rate for 3.96 million due and payable after 12 months, but renegotiable on June 30, 2009. Under similar circumstances a bank would charge

118. ## Math

Photography reprints cost \$0.52 each at a local photo shop. Through the mail, they cost \$0.44 each plus \$1.20 postage and handling. How many reprints must a customer purchase to make it less expensive to use mail order?

119. ## algebra

14ft= ___yd ___ft i don't understand this question can someone help me please!!

120. ## Chemistry

Using the bond entalpies ∆H: C---C: 348kJ C=C: 612 kJ C—C (triple bond) : 960 kJ C---H: 412 kJ H---H: 436 kJ Calculate the calculate the value of ∆H of reaction for H2C=CH2(g) + H2(g) → CH3—CH3(g)

121. ## English

In the book "The Lord of the Flies", how does Jack account for the death of Simon? I haven't been able to find this anywhere. Thanks.

123. ## Child Care

Two three-year-olds, Jenna and Neal, are pulling one another's hair. Using guidance techniques, what would you do? A. Ask, " What do you think you're doing?" B.Physically separate Jenna and Neal C.Say,"You must not do that.It's not nice" D. Remove Neal and

124. ## Physics

if a force of 50 N stretches a spring 0.10 m, what is the spring constant?

125. ## Chemistry

1. Al + Pb(NO3)2 ----> Al(NO3)3 + Pb 2. FeS + O2 ----> Fe2O3 + SO2 3. C3H8 + O2 ----> CO2 + H2O I need some help balancing these equations. Thank you very much!

126. ## Western Civlization

How did Luther's theological teachings redefine fundamental thinking about vital western concens? ( example:individual) I have a test tomorrow!

127. ## Science

I have a very simple question that needs quite a simple answer: Are all human brains an equal size? I typed these exact words on Google but I didn't find much information. I have a question following this one which is why I need this information. Thanks

128. ## Alegebra

For a science project, Tyronce is misxing a solution that is 6 parts of sugar to 25 parts of water. How would you wirte this as a decimal

129. ## Math

How do you factor this equation? x^2+x-2=0

130. ## math

In a bottling company, a machine can fill a 2-liter (L) bottle in 0.5 second (s) and move the next bottle into place in 0.1 s. How many 2-L bottles can be filled by the machine in 2 h?

131. ## Science/misc

If Person A is smarter than Person B why would their teacher say "Person A has more brain than person B" when all human brains are an equal size? (Is it just a saying to show the point?) Also, if all brains are the same size then why are some people

132. ## math

Draw and name a quadrilateral that is equalateral but not equal angular. how can it be equalangular if its equalateral? I cant figure out what the angle measures are.

133. ## Math 116

_(Y-56)=y+56 is that right. Find an equivalent expression without parenthesis. Subtract _5/16-(-3/8)=1/16 is this right. Please check this for me. Please it seem my problem never get answer I did some last night had not hurt any reply.

134. ## math

solve by the elimination method for x and y: 0.3x- 0.2y = 4 0.2x + 0.3y = 37/17 Thanks.

135. ## science

when you turn on a lamp, then turn it off, explain what happens to the circuit.

136. ## science

explain why wires are covered in plastic when extension cords are made.

137. ## science

explain whether a blaok or a white sun umbrella would be better to use on a hot day.

138. ## science

you left a crayon in the window sill in the bright sunshine. It melted and is now a puddle of sticky wax. How have the properties of the crayon changed? Is this a physical or a chemical chamge? Give a reason for your answer.

139. ## math

Miguel cuts a square with a 5inch sides out of a circle with a 12inch diameter. Find the area of the remaining piece to the nearest tenth. I don't undersand how to figure ou the problem.

140. ## English Ms. Sue

How does peace not alter the this statement war as a social disease versus non-conformity?

141. ## science

there is a cup with 75ml of orange juice. A marble was dropped into the cup and the level of the juice rose to 90 ml. Why did this happen? Find the volume of the marble. Use math and show/label all work.

142. ## earth sciecne

which landscape region of NY is composed of low hills of sorted sediments of Cretaceous and Pleistocene age? 1 the hudson- mohawk lowlands 2 the atlantic coastal plain 3 the complain lowlands 4 the erie- ontario lowlands. is it 4

143. ## math

Find the measures of each interior angle of a 15agon. how would u find the meaures?

144. ## science

Gentle slopes and rounded mountains are most often the result of 1 shifting of fault blocks 2 the age of the bedrock 3 coditions of climate 4 volcanoes and meteorites

145. ## Science

What is the process of maintaining a cells enviroment called?

146. ## Math

52inches=(2/5)d-2inches?

147. ## Contemporary Law

Tragedy unfolded early this morning around 7:15 am as a local police officer failed to stop at a red light crashing into a crossing car wounding the officer but unfortunately killing a woman, and three children. Reports show that alcohol was not associated

148. ## math

how do you graph 3x-y=5?

149. ## chemistry

Classify the reactions (combustion, synthesis, decomposition, replacement, or double replacement) CaO9(s)+H20(l)¨ Ca(OH2(ag) Ca(ClO3)2(s)¨CaCl2(s)+O2(g)

150. ## Marcoeconomics

if Bond price= the discounted value of all the future income it will generate then does it mean that the buyer of the bond earn nothing? Because he in fact need to pay the discounted value of the future income(interest) which is said to be earned by him

151. ## introduction to psychology

help Both Alberts mother and father had dropped out os school. His brother left school in the eighth grade. Based on the perfomanace of his family albert does not expect that he will complete high school. He has developed and 1. Availability heuristic 2.

152. ## Physics

A piece of putty is initially located at point A on the rim of a grinding wheel rotating about a horizontal axis. The putty is dislodged from point A when the diameter through A is horizontal. The putty then rises vertically and returns to A the instant

153. ## English Ms Sue

How does social norms change war as a social disease versus non-conformity? What would be a possible solution to solve this problem?

154. ## physics

An amusement park ride consists of a large vertical cylinder that spins around its axis fast enough such that any person inside is held up against the wall when the floor drops away. The coefficient of static friction between person and wall is µs, and

155. ## Alegebra

Find - x when x =20 answer is -20 Evaluate m/n for m=16 and n=2 m/n=8 is the problem right. I am not good with alegebra

156. ## college/Agricultural policy

Find the price and quantity that will satisfy the condition fpr static efficiency in the use of water resources given the following demand and supply equations for water: Demand: P=600-Q Supply: P=2+Q

157. ## physics

please check these; a container of gas is at pressure of 3.7*10^3 Pa. How much work is done by the gas if its volume expands by 1.6 m. 5.92 * 10^5 A 0.10 kg piece of copper at an initial temperature of 95degC is dropped into 0.20 kg of water contained in a

158. ## First grade social studies

my son is in first grade and has to do a project as the curator for the american symbols. I am looking for a reputable website and having difficulty sorting out which ones to use. Can anyone help?

159. ## spanish

what is wrong with saying llegamos con mi mama en el aeropuerto? should the en el be del?

160. ## Algebra

What is an non linear equation? Can you please show me an example.? This is all confusing to me.

161. ## WESTERN CIVILAIZATION

omg!!!! i HAVE TROUBLE FINDING INFORMATION AND ANSWER! Why did MArtin LUther, Zwingli and CAlvin succeed in forming their own churches?

how do you say: the trip to school was 12 hours? el viaje a mi escuela era 12 horas?

163. ## Chemistry

Out of gravity filtration, suction filtration, centrifuging or decanting, in general which process is the most rapid, and which is the least costly in terms of equipment, and which is the least efficient (decanting)? and using all 4 processes the

164. ## algebra 1

3 to the fourth power multiplied by 3 to the sixth power

165. ## math

how do you graph 3x-y=5?

166. ## Algebra1

"Tweedledum says: the sum of your weight and twice mine is 361 lbs. Tweedledee says: contrariwise, the sum of your weight and twice mine is 362 lbs if both are right how much do they weigh together?" i got this part, but the next part i can't figure out:

167. ## Math

The sum of Jason's and Elton's ages is 30 years. Jason is 8 years older than Elton. How old is Elton?

168. ## Agricultural Policy

Find the price and quantity that will satisfy the condition for static efficiency in the use of water resources given the following demand and supply equations for water: Demand: P=600-Q Supply: P=2+Q

169. ## Math

The sum of Jason's and Elton's ages is 30 years. Jason is 8 years older than Elton. How old is Elton?

170. ## algebra

Find -x when x=20 x=-20 is this answer right. I do not how to do this problem I need help. {3(5-8)-3}-{1-(2-6)}=15+-9-2+6 help with this problem.

171. ## science

can carbon sulphide be used to physically separate an iron sample and a sample of sulphur.

the person who holds a life estate in real property can sell absolute ownership or pass it on to his heirs. true or false

173. ## Math

How would you simplify and prove (csc x - cot x) = (1-cos x)/(1+cos x)? I've tried a lot of different starts, but I keep getting stuck.

174. ## motion and projection

Artifical satellites forever true or false.

175. ## science

explain why a crumpled up ball of paper fallls differently than a flat sheet of paper though they weigh the same.

176. ## social studies

how had american life become more strssful after the war and what 2 beliefs resulted from the stress

177. ## human services

If you had to summarize your learning from the multimedia and distinguish between the two types of evaluation, which includes two examples of each evaluation type illustrated in the multimedia, what would you say or what site would you go to find the

178. ## Pre-Algebra

how do i find the perimeter of a rhombus with the measurements 8x and 5x