Questions Asked on
February 25, 2007

  1. Science-Enr. Phys.

    A box of books weighing 325 N moves at a constant velocity across the floor when the box is pushed with a force of 425 N exerted downward at an angle of 35.2 degrees below the horizontal. Fink Mu,k between the box and the floor. There have been several of

    asked by Sara
  2. business

    Small companies typically have difficulty competing against large multinationals when their governments take part in regional trade blocs. What could governments do to help their small companies compete after the formation of such blocs? Governments mpose

    asked by joni
  3. english essay

    Thanx alot again. Writeacher, Jenna, jk1115, for all your help thank you so much. Introduction: Topic: male/female communication Comparison of two articles (state article names) state thesis... i need help on this... What are the titles of the two

    asked by san
  4. Accounting

    The president of Penman Corporation, John Burton, has asked you, the company’s controller, to advise him on whether Penman should develop a just-in-time (JIT) inventory system. Your research concludes that there is a high cost associated with inventory

    asked by Denise
  5. Accounting

    Assume that Hickory Company has the following data related to its accounts receivable: 2005 Net Sales $ 1,425,000 Net receivables Beginning of year 375,000 End of year 420,000 2006 Net Sales $ 1,650,000 Net receivables Beginning of year 333,500 End of year

    asked by Denise
  6. math

    how do i convert a fraction to a deciaml?? a) -2 2/5 ?? Divide the numerator of the fraction by the denominator

    asked by sarah
  7. math HOW DO I CONVERT A FRACTION TO A DECIMAL???

    how do i convert a fraction to a deciaml?? a) -2 2/5 ?? Divide the denominator into the numerator 2 divided by 5 = 0.4 Add the whole number 2 and you have -2.4

    asked by sarah
  8. math. HOW DO I CONVERT A DECIMAL TO A FRACTION

    how do i convert a decimal to fraction in SIMPLEST FORM? a) -2.756 ?? Write out the 0.756 as 756/1000, then reduce it to lower terms if you can. Since both numerator and denominator are evenly divisible by 4, 756/1000 can be reduced to 189/250. The mixed

    asked by sarah
  9. sarah

    -22 2/5 - 1 1/4 x (-2 1/2) = How do i work that out?? Decide which operation to perform first. Your single pair of parentheses around one number does not help. Is it (-22 2/5 - 1 1/4) x -2 1/2 or -22 2/5 - (1 1/4 x -2 1/2) ? They are not the same.

    asked by sarah
  10. MATHS***

    -22 2/5 - 1 1/4 x (-2 1/2) = How do i work that out?? Duplicate post; already answered.

    asked by sarah
  11. Japan

    I need to write a paper on what are some of the nonverbal and verbal communications that are practiced in Japan. Thank you for using the Jiskha Homework Help Forum. Here is something to help you: Hakoniwa:

    asked by jeana williams
  12. factoring,math

    can someone show me how to factor this: i keep getting -6 and 5 but i want to factor: x^2+7x+6 x^2+7x+6 = (x+1)(x+6) This means the roots of x^2+7x+6 = 0 ar -1 and -6 duhhhhh...i was thinking completely wrong..thank you 75 75

    asked by jas20
  13. electronics

    definition, kinds/types, illustration, equation, tables/graphs of: a) diodes b)capacitors c) conductors, semiconductors, insulators d)transistors e) integrated circuit f) logic gates Try looking these up in the online encyclopedia "Wikipedia".

    asked by Danielle Stacey
  14. electronics

    definition, kinds/types, illustration, equation, tables/graphs of: a) diodes b)capacitors c) conductors, semiconductors, insulators d)transistors e) integrated circuit f) logic gates I will be happy to critique your work on this. I am not about to do it

    asked by Danielle Stacey
  15. science

    a experiment to prove that a freely suspended or floating magnet always point in the north south direction plz help got my trails!??!?!?! how do i get the ans to this question?????? That doesn't look like a question. It looks like a suggested experiment to

    asked by salina
  16. maths geometry

    A straight road separates towns A (grid ref 42,45) and B (grid ref 52,40) A village is situated at grid ref (46,57) and a new road is planned from the village to road AB. What is the shortest road possible (1 dp) Please define an origin and a set of axes

    asked by jigna
  17. maths geometry

    Find and write down a proof that the product of the gradients of two perpendicular lines is -1 Use trigonometry. Let the slope of a line from A to B be m1. Let the slope of a perpendicular line from A to C be m2. The tangent (or slope) of the line between

    asked by jigna
  18. forces

    What forces can be seen in action in the classroom Gravity, for one. It's what keeps people in their seats. What about whatever moves the hands of the clock on the wall, or the chalk on the blackboard, or the door on its hinges?

    asked by laura
  19. maths

    According to health and safety policy, classrooms should allow for 1.8sqm of floor space per person and an additional 9sqm. A plan indicates that a classroom's floor dimensions should be 12.0m by 4.5m a Based on these figures, clculate the maximum number

    asked by temise
  20. Physics

    A 7450kg satellite has an elliptical orbit. The point on the orbit that is farthest from the earth is called the apogee. The point on the orbit that is closest to the earth is called perigee. Suppose that the speed of the satellite is 2940m/s at the apogee

    asked by Cavin
  21. Electricity

    Just a quick one: Is current (I) directly proportional to resistance (R) in a piece of resistance wire? Would the current - resistance graph be a straight line or a curve? Help greatly appreciated. It would not be a straight line. For a fixed applied

    asked by John
  22. Math-- Please check

    A package of 16 tea bags costs $2.29. Find the unit price in cents per tea bag. Round to the nearest tenth of a cent. I get 14.3 cent Will you check to make sure I am correct? How do I round it to the nearest tenth? Or is it already rounded to the nearest

    asked by Aimee
  23. chemistry - check please

    Have I balanced this right Al2Se3 + 6 H2O ==> 2 Al(OH)3 + 3 H2Se Let me give you a hint on these, write water as HOH, and it balances faster. Treat the OH as a group. Al2Se3 + 6 H(OH) ==> 2 Al(OH)3 + 3 H2Se Yes, it is balanced: see the six H on each side,

    asked by Laura
  24. Chemistry

    If I have the temperature, the pressure and the mass how do I calculate the volume? Thanks Of a gas? PV=nRT The ideal gas law. calculate n from the mass and mol mass.

    asked by Laura
  25. Chemistry

    If the percentage of arsenic is 76% and the percentage of oxygen is 24% how do I calculate the chemical composition of the oxide of the arsenic? Thanks Pretend you have 100 grams of the stuff. Then 76 grams of As is how many moles? 76/74.9 =1.01 moles. How

    asked by Laura
  26. chemistry

    How do I calculate the mas of oxygen that combines with one mol of arsenic atoms to form the oxide of arsenic? How would I use this answer to obtain the empirical formula of the oxide? The formula for the most common form of arsenic oxids is As2O3. Write

    asked by Laura
  27. deposition

    What is deposition? Effects of deposition? whats made by deposition? Thank you for using the Jiskha Homework Help Forum. Anytime you don't understand a word, be sure to look it up in a good dictionary. For example, here is what the online dictionary says:

    asked by Anthony
  28. english

    how is shylock portrayed in the first three scenes of The Merchant Of Venice? You can read about this character here: http://www.sparknotes.com/shakespeare/merchant/canalysis.html from http://www.sparknotes.com/lit =)

    asked by nancy
  29. Pre Cal

    sin theta - 2sin^2 theta = 0 I'm using the up carrot sign to signal "to the power of..." Let sin theta = x x - 2 x^2 = 0 x (1 - 2x) = 0 Both x=0 and x = 1/2 are solutions. theta = 0 degrees, 30 degrees, 150 degrees and 180 degrees. Thank you so much!!! im

    asked by Marie
  30. History Essay

    I have to write a report on the Articles of Confederation and some of the problems with them. I have done some research, but I still need more info. Could you help? Check these sites. http://bensguide.gpo.gov/9-12/documents/articles/index.html

    asked by Jenna
  31. English

    Help! I can't find any information on the origin of the idiom/expression: Grease someone's palm. Please help me! Scroll down to the Online Etymology Dictionary at this site. It explains related uses of "grease" and gives a date for the origin of "grease

    asked by Calie
  32. Chemistry

    The question says Sufuric acid reacts with Aluminum hydroxide by double replacement. I have the reactant side I just need the product side because I need to know does aluminium replace Hyrdrogen, really confused see Ms J question above

    asked by Beautiful
  33. Fun Fact!

    Benjamin Franklin complained, "Let the smaller Colonies give equal money and men, and then have an equal vote. But if they have an equal vote without bearing equal burthens, a confederation upon such iniquitous principles will never last long." Franklin

    asked by Jenna
  34. Algebra HELP!

    6(7x - 5) = - 114 HELP!!!! distribute the 6 to the 7x and 5. then solve for x. Make sense? Thanks alot Marie! 6(7x-5)=-114 42x-35=-144 +35=+35 42x=-109 42x/42=-109/42 x=2 61/42

    asked by George
  35. English

    Help! I can't find any information on the origin of the idiom/expression: Put your foot in your mouth. Please help me! "put one`s foot in one`s mouth - get into trouble by saying something embarassing or rude My colleague put his foot in his mouth when he

    asked by Johnathan
  36. Chem in relation to Beuatiful's question

    The question says Sufuric acid reacts with Aluminum hydroxide by double replacement. I have the reactant side I just need the product side because I need to know does aluminium replace Hyrdrogen, really confused hydroxides react with acids to form a salt

    asked by Ms. J
  37. Chemistry

    is there such a thing as HOH yes, i'm pretty sure there is but i can't say i'm totally sure. sorry. HOH is another way of writing water. H2O is the convential formula, however, when balancing equations, HOH is very convenient when the OH travels as a

    asked by Beautiful
  38. algebra

    How do you simplify (4x^3y^5)^2? are you using the carrots for symbolising "the power of..." or fractions? if i know what your using them for then i can help you. yes. 3^2=9 okay. then it would help to put the exponents out of the parenthesis:

    asked by Jack
  39. chemistry

    if a structural isomer has an OH attached, i don't understand why it's unlikely that it'll be a liquid at room temperature. I think, I'm not sure, but because both O and H are gases I can think of many alcohols that are liquid at room temperature.

    asked by christine
  40. English

    Does anyone have any more information on the origins of the idiom "grease someone's palm"? check out this site: phrases org.uk/meanings/index.html but put a period between phrases and org This site will give the history of idioms http://www.idiomsite.com/

    asked by Calie
  41. Math

    The average of X numbers is 15. If the sum of the X numbers is 90, what is the value of X? A)5, B)6, C)8, D)15 or E)75 What is the correct answer and how do you set up the equation? The answer is b)6 because if there are 15 average numbers and the sum is

    asked by George
  42. Pre Cal

    how would i find the degrees of cos x= 3/2 if (0

    asked by Marie
  43. math

    Boris gets an 8% commission on every car he sells.Last week, he made a commission of $1,240.What was the price of the car he sold? Do a proportion: 8% is 8 over 100 or: 8/100 and you know his commision is commision over the price. his commision is 1240,

    asked by cristina
  44. Pre Cal

    (1/3)LN27 + 2LNx = LN(2-x) i think i just need help getting started.

    asked by Marie
  45. Chemistry

    For the following reaction, what is the approximate value of Delta H? CH4(g) --> CH3(g) + H(g) I figured it out.. C-H = 411 4 moles on one side 3 on the other so [4*411]-[3*411] = 411

    asked by Wade
  46. chemistry

    What is polymerization and what type is involved in forming a polymer when I have CH3 N CH O C and NH3 Can any one help please Polymerization is the chaining of monometers. Look for the double bond, it breaks, and forms a chain.

    asked by bex
  47. Proportional Lengths--Desperate for help!!!

    The lengths in the figure are proportional. In the first figure- 3 on top, and 2 on the bottom In the second figure- 4 1/2 on top, and x on the bottom These are the choices that are written on my assignment. One is the correct answer. A. 4 1/2 B. 3 C. 2

    asked by Walter
  48. Math--Slope

    a) Why is Slope important when an airplane takes off. Explain. b) What might affect the slope of the plane at takeoff? Explain. Thanks.

    asked by May
  49. Math

    if x is an even number, what is the quotient of the next greater even number divided by the next greater odd number? i have no idea where to even start with this problem. i would really appriciate some help. Thanks! What can make me studdy harder? hey

    asked by Marie
  50. values for k, math,help

    can someone show me the steps to work out this problem that is diving me nuts.. Directions: Find all positive values for k for which each of the following can be factored. x^2+x-k I am completely cluelis towards this problem....i've tried it many different

    asked by jas20
  51. history

    Could you please help me with these questions to kind of get me going on this general topic I must write about? What did children do in the United States before the first compulsory acts were enacted? How, if at all, did they educate themselves? How would

    asked by Ann
  52. please help!!!!

    Maurice drove 400 km from Edmonton to Battleford in 1 hour less time than it took Martin to drive the same route from Battleford to Edmonton. If Maurice drove 20 km/h faster than Martin, at what speed did each of them drive? Show a complete algebraic

    asked by Shay
  53. conjectures

    Evaluate the following sums: 1 1+8 1+8+27 1+8+27+64 Add two more line to the list, and make a conjecture about the sums you obtained. this is a pattern. if you look closely than you'll see each number is a product of another number cubed.

    asked by Shay
  54. bond valuation

    Bond valuation The Garraty Company has two bond issues outstanding. Both bonds pay $100 annual interest plus $1,000 at maturity. Bondf L has a maturity of 15 years, and Bond S a maturity of 1 year. a. What will the value of each of these bonds when the

    asked by Gayla D
  55. conjectures

    I'm finishing my math 20 Pure. This is my last 20 course then i have 30's. Also I have to work a full time job so that I can live on my own with my boy. So it is tough but I'm doing alright. What about you? wow, okay i have no idea what all that is but

    asked by Shay
  56. math,correction

    okay for the first one i/ve done it twice and both times i got 10, not -10. check your work to make sure you did it correctly. for the second one i got 24 so you are correct Directions solve for x. (x)/(x-2)-(x+1)/(x)=(8)/(x^2-2x) The answer i get is :

    asked by Marie
  57. English

    The only things I find are libraries or universities where the text can be found. http://www.worldcatlibraries.org/wcpa/top3mset/7bfa84f7aca723fea19afeb4da09e526.html http://www.upress.virginia.edu/epub/pyatt/chap01.html etc. =) i'm looking for the essay

    asked by Writeacher
  58. anatomy

    why can adults continue to function relatively normally after surgery to remove the thymus or spleen?

    asked by sue
  59. algebra

    Maurice drove 400 km from Edmonton to Battleford in 1 hour less time than it took Martin to drive the same route from Battleford to Edmonton. If Maurice drove 20 km/h faster than Martin, at what speed did each of them drive? Show a complete algebraic

    asked by Shay
  60. Spanish

    I'm reading [and translating] the poem "Llénalo de Amor" by Amado Nervo. I've gotten most of it down, but I'm stuck on one line. No te preocupes de la finalidad de tu amor. Él lleva en sí mismo su finalidad. It's more the second line that I'm

    asked by Chris
  61. Ratio queston

    find the ratio of the first number to the second number and simplify: 36 to 88 would it be 9/22 ? yup! good job!

    asked by Jenna
  62. science

    Is ATP synthesized when chemical bonds between carbon atoms are formed during photosynthesis OR when energy stored in chemical bonds is released during cellular respiration?

    asked by ari
  63. ScIeNcE

    To make my my question simpler, is ATP formed during photosynthesis or cellular respiration? If I can figure out that little fact I'll be able to do the rest of my worksheet...

    asked by ari
  64. Chemistry

    How would you make a starch molecule? What is the name of the bond formed between glucose molecules? Answered above.

    asked by Raj
  65. Biology

    The organelle where the protein altered in cystic fibrosis is recognized as being abnormal is? Is it endoplasmic reticulum, the Golgi apparatus, lysosome, or the ribosomes or nucleus? http://en.wikipedia.org/wiki/Cystic_fibrosis

    asked by aj
  66. Marie

    Maurice drove 400 km from Edmonton to Battleford in 1 hour less time than it took Martin to drive the same route from Battleford to Edmonton. If Maurice drove 20 km/h faster than Martin, at what speed did each of them drive? Show a complete algebraic

    asked by Shay
  67. Roosevelt and Hayashi

    Hi, Can any one tell me the relations between TR Roosevelt and Tadasu Hayashi? Were there any tensions between these too? I have been Googling for hours and I can not seem to find connections between the two. Thanks Hayashi was the Japanese foreign

    asked by Sarah
  68. math

    What is the equation for the line of symmetry for the graph of this function? function y = x2 - 4x - 5, if you have a graphing calulator you can put it in there, or just graph it on a piece of paper using a T chart. find it by one of those.

    asked by kim
  69. Spanish 1

    I have to match the verb with the subject. 1.Maria(estudiar) 2.Nosotros(comer) 3.Yo(ser) alta, pero el(ser) 4.El y ella no(vivir) 5.Tu (estar) Maria Estudia Nosotros Comemos Yo soy alta, pero el es el y ello no viven tu estas (accent on a) (present tense)

    asked by Aubrey
  70. Physics

    A man (weighing 915 N) stands on a long railroad flatcar (weighing 2805 N) as it rolls at 18.0 m/s in the positive direction of an x axis, with negligible friction. Then the man runs along the flatcar in the negative x direction at 40.00 m/s relative to

    asked by COFFEE
  71. Physics

    A vessel at rest at the origin of an xy coordinate system explodes into three pieces. Just after the explosion, one piece, of mass m, moves with velocity (-30 m/s)i and a second piece, also of mass m, moves with velocity (-30 m/s)j. The third piece has

    asked by COFFEE
  72. Physics

    A stationary block explodes into two pieces L and R that slide across a frictionless floor and then into regions with friction, where they stop. Piece L, with a mass of 2.0 kg, encounters a coefficient of kinetic friction µL = 0.40 and slides to a stop in

    asked by COFFEE
  73. Physics

    "Relative" is an important word. Block L of mass mL = 1.90 kg and block R of mass mR = 0.500 kg are held in place with a compressed spring between them. When the blocks are released, the spring sends them sliding across a frictionless floor. (The spring

    asked by COFFEE
  74. math proportions

    17/32 = x/100 1700 = 32x x= 53 1/8 Am I right? yep

    asked by Walter
  75. Chem

    A mixture of chromium and zinc weighing .362 g was reacted with an excess of hydrochloric acid. After all the metals in the mixture reacted 225 mL of dry hydrogen gas was collected at 27 C and 750 torr. Determine the mass percent Zn in the metal sample.

    asked by Jim
  76. Chemistry

    An important process for the production of acrylonitrile C3H3N is given by the following reaction 2C3H6 + 2NH3 + 3O2 --> 2C3H3N + 6H2O A 150 -L reactor is charged tot he following partial pressures at 25 C P(C3H6) = .5 MPa P(NH2) = .8 MPa P(O2) = 1.5 MPa

    asked by Kim
  77. math.

    Each exterior angle of a regular polygon is 15 degrees. 1.Determine the number of sides of the polygon. 2.What is the sum of the interior angles? please help!!!!!!!! i'd love to help but i can't remember how to do those problems. sorry. The sum of all the

    asked by Shay
  78. Chemistry help

    Hello. Can I get someone to help me set up these problems? 1.) How many moles of N are there in 2.6 moles of NHO3? 2.) How many moles of C2H6 (g) are consumed when 4.4 mol CO2 (g) are produced? 3) How many milliliters of 0.80 M CuSO4 must be diluted to

    asked by Nazr
  79. Finance

    Forecasting Payments. If a firm pays its bills with a 30-day delay, what

    asked by Anonymous
  80. Biology

    The diversity of chemical reation occuring in a cell depends mostly on certain molecules present in the cells are called? It's one of these proteins, coenzymes, or enzymes. i believe it is enzymes, but i could be wrong. correct

    asked by aj
  81. Chemistry

    How would you make a starch molecule? What is the name of the bond formed between glucose molecules? I think I got it. They are formed by long chains of glucose molecules joined together by a glycosidic link. Can anyone confirm if this is correct? I

    asked by Raj
  82. bond valuation

    Bond valuation The Garraty Company has two bond issues outstanding. Both bonds pay $100 annual interest plus $1,000 at maturity. Bondf L has a maturity of 15 years, and Bond S a maturity of 1 year. a. What will the value of each of these bonds when the

    asked by Gayla D
  83. pre cal

    (1/3)LN27 + 2LNx = LN(2-x) i think i just need help getting started. I assume that your LN notation is log to base e. I will call it ln. (1/3)ln 27 = ln (27)^(1/3) = ln 3, (since 27^(1/3) is the cube root of 27). Therefore ln 3 + 2 ln x = ln (3 x^2) = ln

    asked by Marie
  84. english

    Which tense (simple or past) do I use to describe a hotel I visited last month? For example: I stayed at the Paris hotel with my parents last month. The hotel has (or Had?) a replica of the Eiffel tower. Thanks present tense, has, because even though you

    asked by David Lai
  85. help,math

    can some set the equation up for me. Science and medicine. A plane flies 720 mi against a steady 30-mi/h headwind and then returns to the same point with the wind. If the entire trip takes 10 h, what is the plane’s speed in still air? i thought it was

    asked by jas20
  86. Chemistry (please help me!)

    H2(g) + CO2(g) H20(g) + CO(g) When H2(g) is mixed with CO2(g) at 2,000K, equilibrium is achieved according to the equation above. In one experiment, the following equilibrium concentrations were measured: [H2]=0.20 M [CO2]=0.30 M [H2O]=[CO]=0.55M a) What

    asked by sara
  87. fix grammar

    The book had some nice features, such as: a hard-bound cover, a ribbon for a bookmark, and the author's signature. The only error is in the verb tense. I assume the book is still in existence, so you'd use the present tense -- has. In addition, you don't

    asked by Mary
  88. math

    ) A wierd number is a number that is the product of two consecutive primes, such as 7x11=77 . What is the least common multiple of the 5 smallest wierd number 7) According to an ancient belief, when a friend visits a sick person, 1/70 of his sickness is

    asked by brenton atcheson
  89. math

    ) A wierd number is a number that is the product of two consecutive primes, such as 7x11=77 . What is the least common multiple of the 5 smallest wierd number 7) According to an ancient belief, when a friend visits a sick person, 1/70 of his sickness is

    asked by brenton atcheson
  90. please help!!!!! someone

    Each exterior angle of a regular polygon is 15 degrees. 1.Determine the number of sides of the polygon. 2.What is the sum of the interior angles? if the exterior angle is 15, then the interor angle is 165. 165n=(n-2)180 solve for n. I need help to study

    asked by Shay
  91. english essay

    Here is a sample outline for the essay: Introduction: Topic: male/female communication Comparison of two articles (state article names) state thesis Body: Summarize both articles Comapare and contrast both articles argue for which one is better provide

    asked by san
  92. biology

    Are an organism's characteristics determined only by its genes? Explain. Yes, an organism's characteristics are determined only by It's genes becuase the parents give their offspring genes which determines their characteristics. Is my answer correct? Do I

    asked by franny
  93. genetics

    Suppose that for an organism, 2N = 8. How many chromosomes do the organism's gametes contain? Would it be 8?

    asked by franny
  94. math

    Let F1=(-6,0) ,F2=(6,0) A=(10,0)64 + and B=(-10,0) write an equation of the set of all points p(x,y) such that (PF1/pluse /PF2/=20. now i know the problem is the square root of (x+6)^2 +y^2 + the square root of (x - 6)^2 + y^2 = 20 and the anserew is

    asked by jess
  95. Science

    Neptune's largest satellite is named (Triton) and revolves in a ( ) orbit. Could someone help me fill in the second blank? Please help! Nevermind, I got that question wrong (I'm homeschooled and my computer program grades me) and later found out that the

    asked by Jenna
  96. stuck

    thirteen contains six letters. t, h, i, r, e, n A word I know six letters it contains subtract just one, and twelve is what remains cool riddle. twelves has six letters and subtract one(s) it makes twelve

    asked by bobpursley
  97. human physiology!

    what do epithelial and connective tissues form? Would this help? I don't know much about the subject myself. botany.uwc.ac.za/sci_ed/grade10/mammal/Epithelial.htm

    asked by HELPPP PLEASE!!
  98. Chemistry

    Hello. Can I get someone to help me set up these problems? 1.) How many moles of N are there in 2.6 moles of NHO3? 2.) How many moles of C2H6 (g) are consumed when 4.4 mol CO2 (g) are produced? 3) How many milliliters of 0.80 M CuSO4 must be diluted to

    asked by Nathan
  99. Biology

    How do nucleaotides join to form nucleic acids? Name the bond formed. http://www.sparknotes.com/biology/molecular/structureofnucleicacids/section1.html

    asked by Raj
  100. MATH

    What number is less than10^-8? a)0.000001 b)0.0000001 c)0.00000001 d0.0000000001 10^(-8) = 0.00000001 figure it out from there. hint: (c) = 10^-8

    asked by JJ
  101. DRWLS

    cAN YOU LOOK AT THE PREVIOUS POST. i am completely lost towards that equation...how do i even solve it because then i would have to cross multiply or cancel and that will give me zero.

    asked by jas20
  102. U.S. HISTORY

    thanx so much, but how would they give confidence to the new deal? http://en.wikipedia.org/wiki/Fireside_chats Interesting article: history of Roosevelt's use of "fireside chats." =) thanx sooo much! what is it about the fireside chats that restored

    asked by INEEDHELP!!!
  103. math

    Use the following missing pieces to complete the runaway math puzzle. 2 6 6 0 1 8 0 5 Rewrite the equations from the runaway math puzzle. 1. __ - __ = ___ + ___ 2. 1 4 - ___ = ___+ 5 3. ___- ____ = ___ + ___ 4. 8 + ___ = 1 5 - 1 figure it out thank you

    asked by tyrese
  104. Math-- Desperate for help!

    Find the amount in an account if $2000 is invested at 6.125%,compounded semi-anually,for 2 years. A. $2,256.49 B. $2,252.50 C. $2,324.89 D. $544,757.84 One of these is the correct answer. I am coming up with (D) 544,757.84 Can you check, because I am

    asked by Hilda
  105. Pre Cal Check

    focus: (0,p) vertex: if not given, then it is assumed (0,0) Directrix: k+p or k-p, i'm not sure I think these are the general equations for the focus, vertex, and directrix of a parabola, but i'm not sure. could someone please check this? thanks.

    asked by Marie
  106. Chemistry

    A XX-g sample of methane, CH4, is mixed with YY atm of O2 (an excess) in a VV L combustion chamber at 125.0°C. The combustion reaction to CO2 and H2O is initiated and the vessel is cooled back to 125.0°C. What is the final pressure in the combustion

    asked by Jack
  107. statistics

    homework due by 8am on 2/26...spent too much time with bad websites....still no answers....need help with simple random sample...Have 460 clients...need SRS of 20 clients for survey...Have a number table to select sample from:13873 81598 95052 90908 73592

    asked by nancy
  108. Church

    What does Salvation mean? from http://www.answers.com/salvation sal·va·tion (săl-vā'shən) n. Preservation or deliverance from destruction, difficulty, or evil. A source, means, or cause of such preservation or deliverance. Christianity. Deliverance

    asked by Bryan
  109. Pre-Calc

    I need to figure out how to solve the equation x-squared y-squared+xy=1 i have no clue. I would appreciate any help! did you mean (x^2)(y^2) + xy = 1 ??? If so, are you solving for x or y? Suggestion: let xy = a, then you have the equation a^2 + a - 1 = 0

    asked by Jill-
  110. math

    write as a single logarithm: -2logbase3(1/x)+(1/3)logbase3(square root of x) please show the steps to solving this. thanx. remember that 1 log (AxB) = log A + Log B (same base) 2 log (A/B) = log A - log B 3 log A^n = n log A use these three rules and it

    asked by michelle
  111. Biometrics

    If these samples were drawn from a population with mean male weight of 180 and mean female weight of 165, what is the probability that the difference between the mean male and female weights would be greater than the observed sample? (The sample means are

    asked by Noel
  112. Biometrics II

    If these samples were drawn from a population with mean male weight of 180 and mean female weight of 165, what is the probability that the difference between the mean male and female weights would lie between 4.5 and 27.8?

    asked by Noel
  113. Molarity

    A 15.7mL sample of HNO3 reacts to neutralize 27.7mL of 0.187M KOH solution. What is the molarity of the HNO3 solution? HNO3 + KOH ==> KNO3 + HOH mols KOH = L x M = 0.0277 x 0.187 = ?? mols HNO3 = mols KOH (1 mol reacts with 1 mol). mols HNO3 = L x M You

    asked by Kellie
  114. Solutions

    When adding 100mL of water to a solution of 50grams of KI in 400mL of water, the total amount of KI in the new solution will be how many grams? Did I miss something here? The total amount of KI, if no extra is added and none taken away, MUST be 50 grams?

    asked by Kellie
  115. bobpursly, check please,math

    do you mean like this: 720/(V-30) + 720/(V+30) = 10 Get a common denominator of (v-30)(v+30) then multiplying both sides by that, then (v-30)(v+30)X 720(V+30) + (v-30)(v+30) X 720(V-30)=(v-30)(v+30)X 10(v-30)(v+30) then multily out, and solve for v.

    asked by jas20
  116. Chemistry

    Can someone just check this one for me? The neutralization reaction between Al(OH)3 and HNO3 produces a salt with the formula Al(NO3)3 + H2O Yes and no. It DOES produce a salt and that salt is Al(NO3)3 with the formula you have. However, the H2O, although

    asked by Kellie
  117. chemistry

    1. in which group is bromine found(on the periodic table)? 2. what is the name of its chemical family? 3. in which group is magnesium found? 4. what is the name of its chemical family? 5. in which group is potassium found? 6. what is the name of its

    asked by michelle
  118. Biology

    What is the last step in the synthesis of secretory protein synthesis? I think it is exocytosis but the other choices I have are tagging, endocytosis and osmosis. http://en.wikipedia.org/wiki/Exocytosis

    asked by Ayeisha
  119. Biology

    Are all of these examples of activation energy? If not which ones aren't. 1.To go forward on your bicycle, you must paddle. 2. A wind gust knocks a chimney brick to the ground. 3. Sound vibrations move the hairs in your ears stimulating the nerves in your

    asked by Ayeisha