Questions Asked in August 2005

Most Popular Questions of August 2005

  1. inverse trig functions

    evaluate the following expressions: tan(sec^-1(5/3)) tan(sec^-1(25/7)) cot(csc^-1(5/3)) i know the answers.. i jus don't know how to solve them =( PLEASE help me I assume your sec^-1 notation denot4es the arcsecant function, etc. sec^-1 (5/3) = cos^-1

  2. Writing Skills

    Which of the following groups of words is a sentence fragment? A. when we stopped by the garden. B. Stop by the garden. C. We stopped; she didn't. D. stopping by the garden, we saw that the flowers were in bloom A sentence fragment doesn't express a

  3. please help with this question need to know by 8/4

    How much heat energy is required to raise the temp of 5 kilograms of coal from 20 degree celsius to 220 degrees celsius? 314 j 6,573 j 4,187,000 j 1,314,718 j You need the specific heat of coal to answer that question, and that depends somewhat upon the

  4. I don't understand

    If it is 143 miles from New York to Albany, 147 from Albany to Syracuse and 80 miles from Syracuse to Rochester, how far is it from New York to Rochester? This question assumes you are travelling along Interstates I-97 and I-90, north along the Hudson to

  5. electricity

    including a full wave rectifier in an AC circuit will yield a ----- current. A)intermittent direct. B)intermittent alternating. C)continuous direct. D)continuous alternating. Full wave rectifier will reverse the negative waves, making the output voltage

  6. chemistry-net ionic equations

    Whats the net ionic equation for the decomposition of hydrogen peroxide (H202)? I know that it decomposes into water and O2 but is H202->H20+O2 the net ionic or does the H2 and O2 split up to be H2 + O2 -> H20+O2 and if so is the net ionic then just

  7. physics

    The consumption of natural gas by a company satisfies the empirical equation V=1.50t+0.008t^2, where V is the volume in millions of cubic feet and t the time in months. Express this equation in units of cubic feet and seconds. Put the proper units on the

  8. questions

    1.) Why are there usually two solutions in quadratic equations? 2.) Under what situation would one or more solutions of a rational equation be unacceptable? If putting the found "solution" cannot be put back into the original equation without violating

  9. Electricity

    if an electrically uncharged body is contacted by an electrically charged body,the uncharged body will? A)develop the opposite charge as the charged body. B)remain na neutrally charged body. C)develop the same charge as the charged body. D)neutralize the

  10. How far of the Taurus form Earth?

    How far of the Taurus form Earth? Answer in light year... Help me please.... The brightest star in the constellation of Taurus is Aldebaran (also known as Alpha Tau). An orange-red giant which is the thirteenth brightest star in the heavens, it was one of

  11. electricity

    if a bar of copper is brought near a magnet, the copper bar will be? A)attracted by the magnet. B)unaffected by the magnet. C)repelled by the magnet. D)made into an induced magnet. B)unaffected by the magnet. Actually there is a very slight repulsn due to

  12. Algebra

    For 1980 through 1990, the average weekly earnings (in dollars)for workers in the United States can be modeled by E= 14.5t + 270, where t is the number of years since 1980. Approximate the average weekly earnings in 1980 and 1990. I am having trouble

  13. chem

    which one of the following statements about sulfuric acid is correct? A. sulfuric acid is a known muriatic acid B. sulfuric acid is a strong oxidizing agent C. sulfuric acid has little effect on metals D. sulfuric acid is dangerous to living organisms B

  14. Help!! With 2 math questions!!

    There are 36 inches in one yard. How many yards and inches are there in 3785 inches? I need the yards, and inches! The next question is....Find the number of quarts in 73,458 cubic inches of water. There are 231 cubic inches in 1 gallon. Help~*Nikki

  15. Electricity

    when an electron is displaced in a semiconductor, the hole that's left behind is? A)attracted to the negative terminal of the voltage source. B)incapable of carrying a charge. C)attracted to the anode of the voltage source. D)considered an impurity in the

  16. algebra 1

    find the complement and the supplement ofeach angle measure 1)130 2) 11 3) x,(x+20) 72+27a+a2

  17. electricity

    to use your left hand to determine the direction of the voltage developed in a moving conductor in a stationary magnetic field, you must point your? A) thumb in the direction of the magnetic flux. B)thumb in the direction of the electromagnetic force.

  18. carbon+sugar=starch

    Why are you saying that carbon is needed to make starch? Actually only sugar (glucose) is needed along with an enzyme to catalyze the linkage of multiple glucose units in a dehydration (loss of water) reaction. Glucose + Glucose ----> maltose + H2O maltose

  19. physical geography

    How many miles are between the tropics of cancer and capricorn if you travel directly north and south? The Tropic of Cancer and the Tropic of Capricorn each lie at 23.5 degrees latitude. The Tropic of Cancer is located at 23.5° North of the equator and

  20. urgent

    How much heat energy is required to raise the temp of 5 kilograms of coal from 20 degrees celsius to 220 degrees celsius? A 314 J B 6,573 J C 1,314,718 J D 4,187,000 J You asked this question already. See my other posted answer.

  21. Urgent

    Please exlain rate distance and time for me Distance is how far. Time is the clock time it took to move. Rate is the speed you went. distance= rate x time

  22. math question corrected

    a farmer bought chickens, goats and sheep. the cost of a chicken is .50 goat is $3.50 and sheep is $10 He bought 100 animals and spent $100. how many of each animal did he buy please help! I need this for school tomorrow Since you have two equations and

  23. human anatomy and physiology

    Critical to life is the function of the cell membrane and its ability to move materials across the cell membrane. Define each of the following in detail using diagrams to aid the understanding of the process. a) diffusion b) osmosis c) facilitated

  24. Synonym HELP

    What are the synonym's for diction,digression,elegy,ellipsis,and epic? I suggest you get to know a thesaurus website such as Enter the word that you want synonymns for in the TOP line and click "Search". For "diction" you

  25. electricity

    the magnitude of the voltage induced in a conductor moving through a stationary magnetic field depends on the ------- and the------- of the conductor. A)lenght, speed. B)distance, circumference. C)resistance, current. D)color, capacitance. length and

  26. electricity

    The grid in a high-vacuum triode is usually kept negatively charged with respect to the cathode so that the electrons may be? A)accelerated toward the anode. B)accelerated toward the cathode. C)attracted to the anode instead of the grid. D)attracted to the

  27. electricity

    What bias conditions must be present for the normal operation of a transistor amplifier? A)the emitter base junction must be reverse biased, and the collector base junction must be forward biased. B)the emitter base junction must be forward biased, and the

  28. speed of rocket

    how fast does a rocket need to go to break earth's gravitationl pull The final rocket velocity required to maintain a circular orbit around the Earth may be computed from the following: Vc = sqrt(µ/r) where Vc is the circular orbital velocity in feet per


    It is pretty easy but I am not quite sure. Round 0.03095583 to the 3 sig figs. Is it 3.12 x E-2 The format is OK but the rounded-off number is 3.10 x 10^-2 2681

  30. math

    How many ways can you make one dollar using only nickels, quarters, dimes, and half dollars? I don't know if this helps but first see how many of each can you use to make a dollar say for instance 10 dimes equal a dollar. Also if you can make a chart and

  31. Physics

    I have a hard time solving this problem. The weight of an object at the surface of a planet is proportional to the planet's mass and inversely proportional to the square of the radius of the planet. Jupiter's radius is 11 times Earth's and its mass is 320

  32. Writing Skills

    A clause from Sentence (i) has been turned into a(n)________in sentence(ii). (i) Since she knew what the lecture was about, she didn't attend the meeting. (ii) Knowing what the lecture was about, she didn't attend the meeting. A. compound predicate B.

  33. chemistry

    First of all, you need to know how many g of Mg actually reacted in the first reaction. You can determine this by determining the limiting reactant. The reaction is Mg + F2 -> MgF2 16.2 g of Mg is 16.2/24.32 = 0.666 moles 25.3 g of F2 is 25.3/38.0 = 0.666

  34. MATH

    What are the 3 property names of addition? 1. The Zero Property of Addition- Adding 0 to a number leaves it unchanged. We call 0 the additive identity. 2.Commutative Property of Addition- switching the order of two numbers being added does not change the


    K I'm having difficulty on this riddle: A woman goes 4 a walk, and it begins 2 rain. She is not wearing a hat or carrying an umbrella. As she continues walking, her shoes and clothes get wet but her hair doesn't get wet. How can this be??? i tink it myte b

  36. another chem question

    Examine the following unbalanced chemical equation: CO(little2) + C --> CO Which of the following is the correctly balanced form of this equation? 2CO(little2) + C --> CO CO(little2) + C -->2CO CO(little2) + C(little2) --> CO CO(little2) + C -->C(little2)O

  37. Math

    3 2 ----- - ------ 2a -2 1 - a 5 3 ----- - ------ 2x - 4 2 - x need a little understanding on these anyone? I don't understand the second term. Is it this? 3 2 ----- - ------ = 2a -2 1 - a 3 2 ----- - ------ = 2(a -1) 1 - a 3 2 ----- - ------ = 2(a -1) -(

  38. Class

    i was wondering if you had anything on child delvelopment? These sites have quite a lot of information on child development. You asked about "child Delvelopment"



  40. chemistry

    Describe the differance between chemistry and chemical technology. Technology is the making of applications. Chemical technology...making chemicals for practical or commercial purposes. Chemistry...the study of materials, their reactions

  41. question on a book assignment

    hey everyone...i have to do this assignment for class and these are some really tough questions on the book Peace Like A River by Leif Enger 1)Family loyalty often prevails over "the law" Agree or disagree (and i have to use quotes from the book that will

  42. Math question?

    How do you compute the x and y intercepts of a quadratic function? For the x intercepts, set y to zero,and solve for x. For the x intercepts, set y to zero and solve for x.

  43. Chemistry - Stoichiometry

    Elements X and fluorine react to form two different compounds. In the first reaction 0.480g of X reacts with 1.000g of F. In the second, 0.960g of X reacts with 1.000g of F. Which are possible formulas for the two compunds First Compound Second Compound

  44. math

    a farmer bought chickens, goats and sheep. He bought 100 animals and spent $100. how many of each animal did he buy If this is an algebra problem, you need to know the cost of each animal. There is not enough information. sorry, the cost of a chicken is

  45. heat

    in a gasoline engine the area in the cylinder head where the air and fuel mixture is burned is called the? What is the combustion chamber?

  46. brain teaser help

    The new science teacher claims he can place a beaker in the middle of the science lab and crawl into it. How? Does anyone get this or hav an idea? haha I think it was a metaphor or some joke or something :P, just to get you insterested. Because you did say

  47. math

    I need to know how to calculate what percentage of a number is to another. let me make that clearer, 35 is what percent of 48? how is that calculated? What you are asking is this: 35 is to 45 as x is to 100 or 35/48=x/100 solve for x x=.729 Now to get %

  48. U.S History

    In the pledge of allegiance what does and to the republic mean? it refers to the United States of America A republic is: 1 a (1) : a government having a chief of state who is not a monarch and who in modern times is usually a president (2) : a political

  49. english

    im in college and i need to know what are genres and can you give me a few sentences to use in how my reading has influences my writing and give me some design texts to my writing skills. i read recently in a magazine on credit , relationships,mental

  50. human anatomy and physiology

    1. name and define in detail the four organic compound groups that make up the chemistry of living things. Lipids, carbohydrates, proteins, and nucleic acids. See Part IV of for specifics

  51. Ap european history

    Arghhhhh i need to find some material on the internet that explains the impact that the release of Aristotle's writings had on modern european society The key to this question would be the incorporation of Aritotle's teaching into doctrine of the Catholic

  52. chemistry

    When 1.24g of an organic compound with the formula CxHyOz is burned in excess oxygen, 1.76g of carbon dioxide and 1.08g of water vapor are obtained. What is the empirical formula of the compound? Determine the moles of CO2 in 1.76grams, that will give you

  53. English

    What are the synonym's for couplet,denotation, details,devices,and dialect? need to find synonyms and antonyms for theses words abbey meager parcment gild chivalry daunt endure interlude swaffer tyranny help please i need it today august 25 2005 gourmen:

  54. Chemistry

    Iron reacts with sulfur to form a sulfide. If 2.561 g of iron reacts with 2.206 g of sulfur, what is the simplest formula of the sulfide? I don't know how to go about doing this problem. The answer is Fe2S3. Calculate the moles of iron in 2.561 grams of

  55. Niagara Falls question

    I'm doing a report on Niagara Falls and I'm trying to find the 'Historical Importance' Your answer is here: (Broken Link Removed) I hope this answers your question. The first humans arrived in Niagara Region almost 12,000 years ago, just in time to witness

  56. Physics

    Can someone please show me how to do this? A hockey player is standing on his skates on a frozen pond when an opposing player moving with a uniform speed of 12m/s skates by with the puck. After 3s, the first player makes up his mind to chase his oppponent.

  57. physical geography

    If you were located at 40 degrees noth latitude and 60 degrees east longitude, what continent would you be on?

  58. Help!

    How do clownfish Breed? Does it care for the young? eg male or female taking care, pouch.... Here is Wikipedia's answer: Clownfish lay eggs on any flat surface close to or under protection of their host anemones. These eggs are cared for by the male and

  59. *Chemistry

    Hydrogen reacts w/ sodium to produce solid sodium hydride, NaH. A reaction mixture contains 6.75 g Na and 3.03 g H2. A. Which reactant is limiting? B. What is the theoretical yield of NaH from the above reaction mixture? C. What is the percent yield if 4 g

  60. English- literary?

    Ok I had 2 eng. questions, what makes a piece of writing literature, and the second was who decides what is literary or not? I got the first question, but no idea on the second one?? Is it publishers and scholarly peers or what? Generally, scholars

  61. can somebody help me with this

    College enrollments in the United States are projected to increase from 1995 to 2005 for public and private schools. The models below give the total projected college enrollments in thousands, where x=0 represents the first year 1995. Public College: f(x)

  62. need help

    These are from Spielvogel's "Western Civilization" and are part of a AP European History class: Ch. 10= 1. Compare the political developments in France and England with those in the Holy Roman Empire and Italy. What similarities and differences do you

  63. Physics

    Which of these is the best example of a Vector's Magnitude? a. Newtons b. Meter per Second per Second c. Miles per hour d. Feet e. Meters/Second f. all of these Answer: I think since a vector's magnitude is best described as a length that answer should be

  64. Math

    Can somebody help me out here. I want to know why I am good with math problems but I don't get word problems until it is made out of a equation. The reason is that you have learned math as procedures and facts...math as a form of thinking, or analysis,

  65. math

    how to subtract numbers with decimals Line up the decimal points and proceed the same way as you would when subtracting whole numbers. Example: 56.78 12.34 ____ 44.44 It works the same when adding decimalized numbers. example: 92.4 -6.41 _____ 1) When

  66. helllllllllllllllppppppppppppp

    need help math I have a big square of 9little squares in it on the first row going down I got 1 4 6 that makes 11 ok I have to make 11 using those number on the other squares and I can not double the same number in every way it has to come out 11 straght

  67. "write a paragraph on book's thesis"?

    I'm going into AP (advanced placement) European History, grade 10, and our summer reading assignment was to read a A World Lit Only By Fire, a book about the tenaissance. Along with this assignment, I'm required to write a paragraph about the book's


    Hey just wanna to check this out that I'm pretty studying on Physics and Biology. Process Information is mos definitely I'm succeeding aight and it ain't that hard n'mean? I still all the stuff I gotta need to study. Send me a few ?'s on Process


    Hi I'm a music man that sings and plays trumpets and 'bout to write and compose music which I'm getting started. I'm also a practical conductor also. Need help on how to prepare myself and how to write cues, bridges, parts, etc. for orchestra, jazz band,

  70. math

    What makes a circle different from a cylinder? A circle is one-dimensional. You can draw a circle on a piece of paper. A cylinder is three-dimensional. It has volume.

  71. Social Studies

    What is the definition for an overview map? An overview map shows a city, country or region. It doesn't have much detail, although online maps sometimes let you click on an area for more details.

  72. AP Biology Help

    Does anyone know the definition of an OPPORTUNISTIC POPULATION? I have looked all over the internet and i cant find anything. Opportunistic species are those that colonise an unstable or periodically extreme environment.They can colonise quickly, although

  73. Linear Equation in Two Variables

    I have to take a college placement test and am studying the practive test. He is the question . . . What is the equation of the line that contains the points with (x,y) coordinates (-3,7) and (5,-1)? I know that the answer is y=-x+4, but I cannot remember

  74. Business Law

    Hill and Terrell owned two adjacent lots together. They sold one tract to Dr. Bowman. Their agreement provided that when Hill and Terrell paved their parking lot, Bowman would also pave his adjacent lot so that the parties would have one large

  75. chem

    one atom of silicon can properly be combined in a compound with A. one atom of chlorine B. two atoms of oxygen C. three atoms of hydrogen D. four atoms of calcium B. two atoms of oxygen (as in SiO2.. quartz and sand) Ther is also a compound SiO. It is used

  76. Taxicabs

    hey i am writing a paper on the new york city taxi cab medallion system and i am suppose to anyalze it and the role the goverenment plays in doing so. however i am very very stuck on outlining my paragarpahs in terms of what i should write about could you

  77. REvised question:TAXICABS

    SORRY I MADE AN ERROR IN MY FIRST POST hey i am writing a paper on the new york city taxi cab medallion system and i am suppose to anyalze it and the role the goverenment plays in regulating its competition. however i am very very stuck on outlining my

  78. Managerial Accounting

    Embleton Company estimates that variable costs will be 40% of sales, and fixed costs will total $975,400. The selling price of the product is $6. (a) Compute the following: (Round all answers to 0 decimal places. You will need to round contribution margin

  79. Algebra

    Find the LCD for the given rational expressions, and convert each rational expression into an equivalent rational expression with the LCD as the denominator. 3 5 ----, ---- 84a 63b 4b 6 -----, ---- 75a 105ab Can someone here help me I do not understand

  80. thanks everyone for your help

    greatly appreciated...

  81. odds of...

    Does anyone know the odds of having Two girls as children as opposed to two males or one male and one female? I say it is 25 percent but my friend says it is 33.3 percent. Can anyone clarify? Thanks! You are correct. Assuming that boy and girls are equally

  82. sales tax

    here is my problem. The tax rate in a certain state is 5% Find the total price payed for shoes that cost 52 dollars Total price = cost + salestax =52 + 52*.05 =52+2.60

  83. autobiography question

    I have to turn in a "model biography" tomorrow. What is this? I also was wondering if there was an outline or guide to follow while writing an autobiography? 6th grade TIA Biographies and autobiographies are reports of a person's life. They usually start

  84. Physics egg

    Could you hardboil and egg on the moon? Options: *Yes, because water boils spontaneously on the moon. *No, because water boils at such a high temperature that it would cause the egg to disintegrate before it became hard-boiled. *Yes, because the

  85. abit of everythingURGENTDUETOMORROW

    malevolent is to kind as miserly is to infant is to child as teenager is to flower is to biology as acid is to delineate is to outline as evaluate is to mildew is to plant as dugong is to ostler is to horse as______is to ____ sheep____ first public

  86. Math

    A car boy in California purchased 6onces of silver for 3000 euro. what is the unit ratio of euro/ounce of silver? If the exchange rate is l:25 $=euro, what is the ratio equivalant to in $/pound of gold. Ratio= costeuro/ounce=3000/6 Ratio=

  87. electricity and electronics

    a transformer has a primany voltage of 115 v and secondary voltage of 24 v if the number of tures in the primany is 345 how many turns are in the secondary The voltage ratio Vsecondary/Vprimary = 24/115 = 0.209 This equals the turns ratio

  88. electricity and electronics

    a battery consists of five cells connected in series if the voltage developed by each cell is 1,5 the total voltage developed by the battery is 5 x 1.5 = 7.5 V Battery voltages add when connected in series.

  89. business management

    discuss the relationship between performance,motivation ability and the work environment every business needs a ?

  90. Math

    Is you say this statemant : By dividing x into y, do you mean x divided by y (i.e. 10/100) or do you mean y divided by x (i.e. 100/10? Dividing x into y is the same as y/x or y divided by x. I hope this helps. Thanks for asking. Thanks

  91. self regulated volume control

    Hey what's up... does anyone know what does ''self regulated volume control'' mean? I suspect this is what is more commonly called AGC, or automatic gain control. This self regulating amplifer stage compensates for incoming signal strength (stronger input

  92. PHYSICS - urgent

    assuming there's no friction of, if two balls (one heavier than the other) are held up the same distance from the ground; the heavier ball will have more G.P.E than the lighter one, n when both are dropped, all the G.P.E can only change to K.E, as there's

  93. Heat

    A silver bar 0.125 meter long is subjected to a temp change from 200c to 100c. What will be the length of the bar after the temp change? You have to look up the coefficent of linear expansion for silver. New length= originallength(1+deltaTemp*coefficent)

  94. Math

    A certain juice must be mixed at a ratio of 2:60 (2parts powder 60 parts juice). A company need a total of 3 and 1/2 gallons of mixture. How many ounce of each should be added? One more qusetion..... A certain mix of sand is composed of 95 lb (1 sack) of

  95. I need serious help

    A certain food must be mixed at a ratio of 1:50 (1 part dry to 50 parts wet). A cooker needs a total of 2 and 1/2 gallons of solution. how many ounces of each should be added? Never mind The way to work these is consider the total to be broken into 51

  96. Bank Operations Question

    Say you want to start a "National Bank". Thus you will need a piece of paper that is like a license to start a bank. What is that paper called? And what is the name of the government agency that you would get that paper from? If you are in a beginning

  97. heat

    if the absolute pressure of a gas is 550.280 kpa, it's gage pressure is what?

  98. language arts

    what are simple subjects ang simple predicates help me work due monday The simple subject is the one word that is doing the action. The simple subject in these examples are CAPITALIZED. LASSIE came home. ONE of my brothers plays football. Have YOU ever

  99. I need answer fast

    A machine will add 128 parts of water to l part of the kool aid in the machine. If a kool aid must be dispensed in the ratio 1part kool aid and 448 parts of water, how should the mixture be diluted. Please give me the steps to get to answer. You need to

  100. plants

    My son has to do a project on monocots and dicots, which I know are plants but he has to have 4 examples of each and place them on a poster board tell about them, etc. and to do a rubric about this project. I am having trouble finding what they are and the