# Questions Asked onMarch 20, 2007

1. ## Algebra

I am getting ready to start an Algebra class for the first time and I was wondering what challenges people have with learning and using algebra concepts. Also what are the best ways to over come math anxiety? The best way? Learn the language of algebra.

2. ## Chemistry

Complete the following table for aqueous solutions of caffeine, C8H10O2N4. a) molality b) mass percent solvent c) Ppm solute All we're given is Mole fraction solvent= .900. How do I solve for the other parts with only this?? It XH2O = 0.9, then

3. ## economics

could we ever achieve an unemployment rate below full employment? What problems might we encounter if it did? I'm not sure if I understand your question. To my knowledge, we can never achieve full employment in the United States. It is always "an

4. ## Physics-torques

Suppose that a meter stick is balanced at its center. A 0.27-kg is positioned at 18 cm from the left end of the meter stick. Where should a 0.28 kg mass be placed to balance the 0.27 kg mass? Express your answer in terms of the position (in cm) of the

5. ## Physics

A person is riding on a Ferris wheel. When the wheel makes one complete turn, is the net work done by the gravitational force positive, negative, or zero? Justify your answer. What to you think? After one complete turn the elevation remains unchanged.

6. ## social studies

Which were the roles of senior citizens in ancient Egypt and Mesopotamy? Go to Google's advanced search -- http://www.google.com/advanced_search?hl=en -- and enter elderly in ancient egypt mesopotamia. You'll find a few good places for information, and

7. ## Chem

Choose the member of each set that you would expect to be more soluble in water. Explain your answer. Chloroform, CH3Cl, or hydrogen chloride. My gut instinct was HCl, however I'm not sure why [or if] it's more soluble than CH3Cl. Of course HCl is more

8. ## Physics

The speedometer of your car shows that you are traveling at a constant speed of 35 m/s. Is it possible that your car is accelerating? yes no If so, explain how this could happen. see the above post.

9. ## Econ MC

1. According to the median voter theorem, majority rule will a. always produce an inconclusive outcome. b. produce the outcome least preferred by the median voter. c. produce the outcome most preferred by the median voter. d. produce an outcome that is

10. ## calculus

I need help on finding the local linear approximation of tan 62 degree. i got 1.77859292096 can someone check if i got it right? tan(60+2) = (tan 60+ tan 2) / (1- tan60 tan 2) But tan2 appx = sin 2deg = sin2PI/180= 2PI/180 tan 62=(tan 60+2PI/180) / (1-

11. ## math

the nufone communications company must run a telephone line between two poles at opposite ends of a lake. the length and width are 75 feet and 30 feet. what is the distance between the two poles to the nearest foot? The lake is rectangular? Where on the

12. ## math

Whats the difference between an arc [of a circle]'s length and measure? And how do you find each of them? The "measure" of an arc is the angle that it subtends from the center of the circle. Call that angle A. The length of the arc is 2 pi R * [A/(2 pi)] =

13. ## Algebra 1

how do i graph x + y = 1 put y on one side y=-x+1 im doing an online test and its asking me to find the equation that matches the graph. But im not sure how to figure it out. well the graph should have a negative slope with 1 as y-intercept look for a

14. ## IT

I NEED HELP WITH GIVING EXAMPLES OF MASTERING THINKING SKILLS. http://www.google.com/search?q=thinking+skills&rls=com.microsoft:en-us:IE-SearchBox&ie=UTF-8&oe=UTF-8&sourceid=ie7&rlz=1I7SUNA First you must define what you mean by "thinking skills" and then

15. ## Physics-Torques

Suppose you have a meter stick with two masses attached. The mass m1 is 0.60 kg and it is located at x1 = 30 cm from the left (zero) end of the meter stick. The pivot point is located at x = 45 cm. The mass of the meter stick (mms = 0.40 kg) is located at

16. ## ap history

what did the great awakening, intercolonial trade and the rise of the colonial assemblies have in common? Please note that we don't do students' homework for them. Once you have come up with your response, please repost, and someone here will be happy to

17. ## Algebra

Write an equation of the direct variation that includes the point (–3, –9). Direct variation can be expressed with this equation: y = kx Using your point, let's find k. -9 = -3k 3 = k Equation: y = 3x Thanks it makes sense

18. ## physics

A bird perched on a swing the sits 8 cm below a bar has a mass of 52 g, and the base of the swing has a mass of 153 g. The swing and bird are originally at rest, and then the bird takes of horizontally at 2 m/s. How high will the base of the swing rise

A cyclist approaches the bottom of a gradual hill at a speed of 14 m/s. The hill is 4.9 m high, and the cyclist estimates that she is going fast enough to coast up and over it without peddling. Ignoring air resistance and friction, find the speed at which

20. ## Chem

How do you figure out the Noble Gas Configuration? Also, why do you not put in the "p" level and when do you( if you even do) put it in? You need to be more specific about your question. Elements that lose electrons (Na, Ca, Al, etc) gain the noble gas

21. ## Chemistry

Can hypochlorite ions oxidize bromide to bromine? In acid solutions, yes. That's the old qual test for bromide. Shake a solution of the unknown with NaOCl, this oxidizes bromide to bromine, and the bromine colors the carbon tetrachloride layer (added

22. ## Math

Bond Yields. An AT&T bond has 10 years until maturity, a coupon rate of 8 percent, and sells for \$1,100. a. What is the current yield on the bond? b. What is the yield to maturity? a) The current yield is \$80/1100 = 7.27% b) The yield to maturity (YTM) is

23. ## Modern World History

Help with this essay The purpose of this essay is to analyze the rise of fascism and it's policies. -describe conditions existing after WWI -The Characteristics of fascim -Hitler & Mussolini & Japan -Why did people accept? See the Aftermath section of this

24. ## frankenstein

I have to write an essay about how frankenstein is a cautionary tale in Mary shelley's frankenstein, I want to incorporate something about individuality with the creature but don't know what to write. Thanks Here's good information on what a cautionary

25. ## chem

State the type of reaction. Predict the products of the reactions. I have no clue how to do this any help? C3H8 + O2 ---> Mg + HCl ---> AgNO3 + NaCl ---> CuSO4 + Zn ---> How much of this do you know how to do? Just checking answers. Give us your answers

26. ## World Studies

What does the colors on the Switzerland flag mean? {red and the white cross} The white cross on the red base represents faith in Christianity. The Swiss flag traditionally stands for freedom, honor and fidelity. In modern times the Swiss flag has also come

27. ## Chemistry

Ok I think I figured this out but im not sure if its right please help. Thanks(= Determine the oxidation number for nitrogen in each of the following a)NH3 = -3 b)NO2-1 = 2 c)N2= 2 d)NO2Cl= 2 e)N2H4= 2 The first one is right. All must add to zero for a

28. ## Math

Solve the compound inequality -1 < X - 2 LESS THAN OR EQUAL TO 7 Your problem: -1 < x - 2 ≤ 7 Add 2 to all three quantities to get x by itself: -1 + 2 < x - 2 + 2 ≤ 7 + 2 1 < x ≤ 9 Solution set can be expressed this way using interval notation: (1,

29. ## loans

What are some examples of inexpensive loans and some advantages and disadvantages? There is no disadvantage to taking out a loan with an interest rate that is less than you could get in an insured savings account. You can reinvest the money and end up with

30. ## Chemistry

How do i balance this equation? Al+N2---->AlN 2Al + N2 ----> 2AlN

31. ## Chem- quantum question

Hi. My teacher is giving us a test tomorrow on quantum numbers and Iunderstand it except for Noble gas configuration. I saw the question below on it but it's not really what I need to know so any help would be great. :) Question: My teacher said he'll give

32. ## chemistry

I have a 0.25 m aquaeous solution of HCL. It's density is 1.05 g/ml. WHat is the % by mass (m/m) of this solution? What is the molarity of the solution? define molality. m = # mols/kg solvent. We have 0.25 m so we must have 0.25 x 36.5 g/mol HCl = 9.125 g

33. ## Algebra

I need help filling in the blank and answering the question. 1. If you move the two foci of an ellipse together so that they become a single point, then the ellipse will become a/an------. 2. What happens when the major and minor axes are exactly the same

34. ## chem

are these already balanced? CuSO4 + Zn ---> CuZn + SO4 AgNO3 + NaCl ---> AgCl + NaNO3 AgNO3 + NaCl ---> AgCl + NaNO3 CuSO4 + Zn ---> Cu + ZnSO4 is the correct equation I know how to balance equations but im not sure about these Yes, they are balanced. But

35. ## history

First of the grate industrial trusts,organized through a principle of horizontal integration that ruthlessly incorporated or destroyed competitors. I am thinking the Standard Oil Company... The idea, promoted by Henry Grady and other boosters that the

36. ## Chemistry

When hypochlorite ions act as an oxidizing agent, hydroxide ions are formed. What will this do to iron (II) or to iron (III) ions? Both Fe(OH)2 and Fe(OH)3 are insoluble in an aqueous solution.

37. ## Chemistry

Heyy, okay I have this chemistry assingmnet and its on kinetics, and I got every single one except this one question and I've been trying for over an hour. I know that I'm probably jus tmissing something but everything I've tried doesnt work. Any help is

38. ## Albebra

Find the vertex of the function y = –x2 + 2x + 8. It is where the derivative -2x + 2 = 0. Since you probably haven't learned about derivatives, do it this way: Rewrite is as -x^2 +2x +8 = -(x-1)^2 + 7 Now look at the form of the formula on the right. It

39. ## Poetry

I need to learn the different meters and rhyming patterns of poetry?? Thank you for using the Jiskha Homework Help Forum. First of all is a pdf file: 1. server.remc11.k12.mi.us/bstpract/bstpract/165/165.pdf 2.

40. ## accounting

if a bond sells at 102.5, what does that mean?

41. ## chemistry

operating conditions 250-300 celcius and 50-100 atmospheres are consistent with the aims of achieving a high equilibrium yield of methanol and a high rate of production. noting any conflicts, explain the role of a copper catalyst noting how its presence

42. ## science

a).Some honey are very expensive while others can be quite cheap,which supposedly corresponds to their respective quality.How is the quality of a particular honey determined? (b) Some types of honey crystallize after some time.Has the tendency to

43. ## Algebra

please solve x+5y=10 -2x-10y=-20 Since the second equation can be obtained from the first (by multiplying both sides by -2), they are not independent and there is no unique solution. There are an infinite number of x,y combinations that are solutions.

what is intrinsic and extrinsic motivation Thank you for using the Jiskha Homework Help Forum. A good dictionary can help you; there are some Online as well. intrinsic = coming from within extrinsic = coming from without

45. ## English

Hi, I'm having trouble understanding this sentence... "It comes upon one with new force in the pauses of the night that the Chaldeans were a desert-bred people." I don't know understandy why the last part of the sentence starts with "that" is in there,

46. ## science NEED BY TOMMOROW MORNING AT 9:30!!

Can you tell me who figured out the earth was round and why they wanted to? THNX :) Please check this site for your information. http://www.madsci.org/posts/archives/nov99/942957483.Sh.r.html People have always been curious and wanted to know about their

47. ## Math

1. Present Values. Compute the present value of a \$100 cash flow for the following combinations of discount rates and times. a. r = 8 percent. t = 10 years b. r = 8 percent. t = 20 years c. r = 4 percent. t = 10 years d. r = 4 percent. t = 20 years 2.

48. ## Geometry

How can I tell if a triangle is a 30, 60 90 triangle or a 45 45 90? What are the characteristics? A 45-45-90 triangle has two equal angles (and sides). It is an isoceles right triangle, in other words. It is easy to tell by looking that a 30-60-90 triangle

49. ## government

Technically, in a presidential election, voters go to the polls and choose a. the president by direct popular vote b. the party candidate for president c. a slate of presidential electors d. members of the FEC Is it c? Yes, correct.

50. ## Geog tectonics

please could someone give me a link for tectonic activity revision. Is this what you're looking for? http://geobytesgcse.blogspot.com/2007/01/plate-tectonics-revision.html yes. thank you for your help!

51. ## algebra

5x-2y=-5 y-5x=3 substitution Substitute 5x +3 for y in the first equation, then solve it for x. Substitute 5x +3 for y in the first equation, then solve it for x. When I subsitute 5x+3 into the equation I get x=1/5 and y=2 is this correct? You are close!

52. ## Science

Hello :) my name is Deqa, i was wondering if anyone knew the affects of a state of a substance on the reaction so generally speaking does it matter if a solid is dissolved in a solution or is it faster for a solution be added to another solution basically

53. ## math

how do u convert from ft^3 to Liters. i know that 1 liter=1 dm^3, but i don't know where to go from here 1 (cubic foot) = 28.3168466 liters :) Matt 1 cubic foot = 12*12*12*cubic inches =1728 inches^3 but 1 inch = 2.54 cm so 1 cubic inch would be 2.54^3 or

54. ## SOCIAL STUDIES

WHAT IS THE ROLE OF RHETORIC IN INFULENCING PEOPLE'S ATTITUDES AND BELIEFS? This site give excellent information on the use of rhetoric. http://en.wikipedia.org/wiki/Rhetoric This site gives you what many orators have said about rhetoric.

55. ## Economics

1.) How do producers use market research to help maximize profits? 2.) Give two examples of companies that are characterized by a monopolstic competition market structure. All kinds of market research are being done these days. Research on consumer

56. ## ap history

the first large group of german immigrants moved to america seeking? http://www.google.com/search?q=first+german+immigrants&rls=com.microsoft:en-us:IE-SearchBox&ie=UTF-8&oe=UTF-8&sourceid=ie7&rlz=1I7SUNA Good information here. =) Thank you for using the

57. ## algebra

Can someone please help me with this math problem? Thanks. Let g(x)=x^2-5 and h(x)=3x+2. Perform the function operation. -2g(x)+h(x) That would be -2x^2 +10 + 3x +2 = -2x^2 + 3x +12. oh, thanks! I understand. I have another problem I'm unsure of. g(x)*h(x)

58. ## Geometry

How do you work out inscribed angles in a circle? I'm having some trouble on this...thanks!

59. ## Monitors of Board

Is there any way that the postings could be numbered? The post below this one by TONY obviously refers to a previous posting of his 8 steps below. I know the URL has a number behind each particular post, and each post can be identified by a title and

60. ## English

Is toast singular, plural, or both? Is the word plethora used correctly in these sentences. There is a plethora of dog hair in our carpet. There are a plethora of people at the mall. Thank you for using the Jiskha Homework Help Forum. A good Online

61. ## SOCIAL STUDIES

What types of advertising campaigns are most effective on you personally? Cite specific examples. What rhetorical devices do they use, and why do you think they are so effective? These questions are to be answered by you personally. What would be effective

62. ## English

Where can you find a list of credible sources on the internet, like website for research papers. Critical reading is the best guide to content credibility. In the early days, sites with .edu were reliable, but I find that is no longer a reliable guide. My

63. ## Science

I'm trying to come up a hypothesis (statement)on the, topic: born gay (genetics) or learned behavior? Can someone please answer this!!!!!!!! Thank you for using the Jiskha Homework Help Forum. This site "Nature vs. Nuture" may give you some good ideas:

64. ## Biology/Chem

Can someone please explain how I would write the equation for the hydrolysis of lactose using structural formulae? Thanks.

65. ## Biology

when were viruses first seen 1959 http://www.ncbi.nlm.nih.gov/books/bv.fcgi?rid=mboc4.table.1751

66. ## Biology

Where does the influenza or flu virus usually enter the human body Probably through the nose or the mouth.

67. ## Algebra HW

Find the vertex of the function y = –x2 + 2x + 8. it shows me different points as the answer. Im not sure how to find that point. Here are the points: (1,7) or (1,9) or (4,-2) or (-1,-9) Answered in a previous post. Here it is again: Here's a quick way

68. ## Algebra

-48 divided by ( ) = 6 -8

69. ## Government

political parties hold national party conventions mainly for the purpose of a. choosing electors for the electoral college b. selecting a presidential candidate c. approving the party platform d. selecting party candidates for Congress Is it B? I agree.

70. ## History

How does the ROman empire work? http://encarta.msn.com/encyclopedia_1741502785/Roman_Empire.html It worked for several centuries, but not anymore. Recommended reading (or viewing): I, Claudius. The HBO Series "Rome" makes a watchable soap opera out of the

71. ## Grammar

In this sentence: "He tried to right the overturned canoe." I am trying to identify what function the word "to" has. What I know: He-pronoun(subject?), tried-verb, right-adverb(modifing tried?), the-demonstrative adjective(aka-definite article),

72. ## Chem

Why -OH groups readily soluble in water? If the hydrogen bonds are relatively strong, shouldn't they be less soluble? The OH^- ion is polarized. Water molecules are polarized. Like dissolves like.

73. ## algebra

I have beans that sell for \$9 per pound and \$12 per pound, they need to be mixed to create 100lbs of mixture that will sell for \$11.25 per pound . How much of each type of bean should be used in the mixture? X=#lbs beans that sell for \$9.00/lb. Y=#lbs

74. ## writing-health

any facts on animal testing and why it is bad is good (unless it is a stupid 1 like it just is then not that) One thing you can do is to go to Google's advanced search page -- http://www.google.com/advanced_search?hl=en == and enter animal testing positive

75. ## English-Pride and prejudice

How does Elizabeth’s understanding of her father’s true nature change and deepen in the course of the novel? Why is this a necessary part of her growth? Thank you for using the Jiskha Homework Help Forum. Here are some links to visit: 1.

76. ## algebra

I need a step by step explanation on how to add these two equations 2x+3y=1 5x+3y=16 Subtract the first equation from the second. (Subtract left and right sides separately). This gives you 3x = 15 Then divide both sides by 3. x = 5 Pretty easy, huh? After

77. ## government

which of the following is NOT an argument for direct popular election of the president? a. The winner would always be the majority choice. b. Direct popular election would be a simple easily understood process. c. The small States would gain an advantage

78. ## math

How do I know that x^2-7=y is a function? thanks you know its a function because its a parabola (x^2) parabolas are functions because there is only one x value per y value. So I know it is a function because it has (x^2)? Is that the rule? If it has x^2,

79. ## biology

why are RNA viruses much more deadly than DNA viruses? Thank you for using the Jiskha Homework Help Forum. Biology is out of my field but here are some links on RNA & DNA viruses: 1. http://users.rcn.com/jkimball.ma.ultranet/BiologyPages/V/Viruses.html 2.

80. ## nutrition

In our society, there are weight loss programs that recommend low fat, no-fat, or high protein diets. Should we eliminate fats from our diets altogether and increase proteins? What are some of the benefits that unsaturated fats and proteins provide when

81. ## Chemistry

I was wondering if any one knew a website with a picture of the molecular structure of Naptha- thanks! Naptha is not a pure compound, but consists of a mixture of a variety of hydrocarbons. There are several types of naptha. For more about it, see

82. ## social studies

How can I create the alamo in 3D for a school project? http://www.tamu.edu/ccbn/dewitt/adp/archives/feature/arnsan.html Scroll almost to the bottom for directions on how one person did this. =) Years ago, I built the Alamo out of sugar cubes which I

83. ## Physics

Is it possible for an object to have an acceleration when the speed of the object is constant? yes no not enough information to decide Give your reasoning. acceleration is a vector. So speed could be constant, but the direction changing.

84. ## social studies

i need 7 facts on michelangelo Here are two really interesting sites. http://en.wikipedia.org/wiki/Michelangelo http://www.hlla.com/reference/mb-bio.html

85. ## Algebra

Which expression simplifies to –1? A. 7 + w B. x - 2 C. 3 - y ------ ----- ----- w + 7 x + 2 y - 3 D. 4 + z ----- -4 + z A

86. ## algebratic propertys

Can someone help me solve these m1=(3x+20) m3=5x-16 (Vertical Angles are Congruent) a.) _____ = (5x - 16) (Substitution) b.) -2x + 20 = _____ (Subtraction Prop. of Equality) c.) -2x = _____ (Subtraction Prop. of Equality) d.) x = _____ (Division Prop. of

87. ## math

what's the quadratic form of 1/4(x+3)^2-4 I need it to find the intercepts of the parabola it describes. Check: I think the parabola is 1/4 scaled, moved 3 to the left and down 4 compared to a y=x^2 parabola. Is this ok? If you are looking for the

88. ## Biology

Why are RNA viruses much more deadly than DNAbased viruses

89. ## math

how come in y=x^2, the range is all real numbers, y is greater than or equal to 0 or is it for x=y^2? in y=x^2 imagine any choice of x (the domain) you might make. No matter what x you choose, once you square it, it becomes positve. So y can never be a

90. ## Biology

Please could someone help me been trying to make sense of a question in my assignment, really struggling at the moment. question is Gametes are produced in the process of meiosis. In humans, one pair of autosmes (chromosome 4) has a short arm and a long

91. ## SOCIAL STUDIES

what is the role of rhetoric in influencing people's attitudes and beleifs? I think Gurublue and Writeacher already answered that. http://www.jiskha.com/display.cgi?id=1174394553 There is no point in posting a question more than once. Thanks. =) Sorry!

92. ## pre-algrebra

I just do not understand dimensional analysis. Can anybody explain this question: 32 cm = ?m ---- ---- s min Although your dimension labels to not seem to be lined up correctly, it looks like you are being asked to convert 32 cm/s to ? meters/minute. You

93. ## Modern World History

Help on this short essay The Purpose of this essay is to analyze the legacy of the Holocaust. Describe the events from the Nuremberg Laws of 1935 to when the camps were free why did the people of Germany go along with this? This site has Holocaust timeline

94. ## Biology

could you explain the meaning of the phrase glycoside c-1 to c-4 linkage this is in regard to the structural formula of lactose many thanks http://en.wikipedia.org/wiki/Lactose thanks that was a real great help now i understand

95. ## Biology

In this statement, "Some drugs can be used as muscle relaxants" Identify the neurotransmitters involved and what the drugs are doing at a biological level. Thank you! yea it is

96. ## calculas

Question # 01 Solve the inequality and sketch the solution on a coordinate line.

97. ## Science

What is coal & how does it form? http://www.athro.com/geo/trp/gub/coal.html

98. ## Social Studies

What branch of the government does a police department fall under? A police department is part of Justice. It enforces the laws.

99. ## LAW

what are the methods by which a corporation can be created http://www.google.com/search?q=form+corporation&rls=com.microsoft:en-us:IE-SearchBox&ie=UTF-8&oe=UTF-8&sourceid=ie7&rlz=1I7SUNA There should be some answers here. I'm sure it varies, state by

100. ## macroeconomic

Can someone help me with this question pls.. A country has a factory and build two bulldozers at a total cost of \$320. The country also know that due to the miscalculation of demand, the factory had been unable to sell some of its output of baked

101. ## Art

I need a creative idea for a gift. My mom's birthday is coming up and she loves the beach, so I want to do something with sand so she can enjoy it wherever we are. I have the sand, but I need help fast because this craft has to be finished by Thursday!!

102. ## Physics

Is a net force being applied to an object when the object is moving downward under the following conditions? a) with a constant acceleration of 9.80 m/s2 yes no not enough information to decide Explain. (b) with a constant velocity of 9.80 m/s yes no not

103. ## Government

Generally, a large segment of the electorate a. does not realize the critical importance of the nominating process b. turns out to vote in primary elections c. understands the importance of primary elections d. goes to the polls to vote in primaries during

104. ## econ - demand and supply

just a few questions that would like to double check my answer For each of the following cases, sketch a supply and demand curve for the specified industry and show how each event will shift the curves. (Be sure to label all curves)! State what occurs to

105. ## Psycology

What makes a stressor worse? repetition, repulsiveness, pressure, or exhaustion

106. ## Social Studies

Name all the south-East states Thank you for using the Jiskha Homework Help Forum. Look in any Atlas of the U.S. and you will find the southeast states: 1. http://geology.er.usgs.gov/states/southeast.html 2. (Broken Link Removed) 3.

107. ## Anatomy

Our biology class is studying the human skeletal system this month, and I need to find some information on the fone bone for my report. Can anyone help me out? Thank you for using the Jiskha Homework Help Forum. Is some one joking with you? "Fone Bone" is

108. ## algebra

When I subsitute 5x+3 into the equation I get x=1/5 and y=2 is this correct? Try plugging in your final values for x and y into both of the original equations. If and only if the equations are true, then your answers are correct.

109. ## history

What is the religion of North Carolina A simple Google search for "religion of North Carolina" gave me many links, try it The religion of North Carolina is whatever each person prefers. There is no "state" religion.

110. ## Physics

Is it possible for an object to have an acceleration when the velocity of the object is constant? yes no not enough information to decide Give your reasoning. see the prior post.

111. ## Biology

Could somebody check this formula for the structure of hyroloysis of lactose C12H22O11+H20 ...> C6H12O6H12O6 OBVIOUSLY THE FIGURES ARE ALL SUBSCRIPT Many thanks Is that not the molecular formulae ???

112. ## algebra

How do you do?: x^2+1 ----- x^4-1 Thanks! Try to factor wherever you can so you can reduce as much as you can. Factors of x^4 - 1 are (x^2 + 1)(x^2 - 1). Now we have: x^2 + 1 ------------------ (x^2 + 1)(x^2 - 1) Do you see a common factor to cancel out in

113. ## chemoautotrophs

why are chemoautotrophs important in evolution? http://en.wikipedia.org/wiki/Chemotroph It is in that article.

114. ## Maths

f=p(c-1)-c(p-1) sOLVE FOR p f=pc-p-cp+c pc - cp = 0 So now we have f = -p+c Move "p" by itself. f-c = -p Now we multiply each side by -1 p = c-f Let's plug in values for f and c to check. We'll say: f=2 c=3 p=3-2 p=1 in this case. Now, let's plug in the

115. ## Math Question

Hi Fellow tutors. This message was from a few days ago and has probably gotten lost in the threads. Maybe someone can better help me answer. It has to do with how to write an answer to a question for homework:

116. ## ap history

who was the most important embodiment of the enlightenment in america a- benjamin franklin b-john locke c-isaac newton d-thomas jefferson This site mentions two of those men as being embodiments of the Enlightenment in America. (Broken Link Removed) It

117. ## math

what is.7 of 39.4????? 39.4*.7=27.58 Having trouble solving equations with two variables..both unknown

118. ## Social Studies

Ohio's congressional representatives are in what branch of government? Which branch of government is Congress?

119. ## english

what is a level 1 question? http://www.friscoisd.org/schools/chs/docs/reading9th.pdf Good explanation here. =)