Questions Asked on
March 8, 2009

  1. Another Chem Problem

    Calculate the total number of F (Fluorine) atoms in 12.15 mol C2HBrClF3. The answer is 2.195 x 10^25 atoms, but I am not sure how they got there. Can anyone give me a hint how to get started? If needed (i'm not sure), the moleculatr mass of C2HBrClF3 is

    asked by Bob
  2. college math

    Prove: 3/ a(2a^2 + 7)

    asked by Laura
  3. Chem

    Determine the number of moles of N atoms in 43.5 g of Mg(NO3)2. Textbook answer: 1.43 mol N My answer: 43.5 g Mg(NO3)x x (1 mol Mg(NO3)2/148.313 g Mg(NO3)2) x (2 mol N/1 mol Mg(NO3)2) = .293 Can tell me where i went wrong?

    asked by Bob
  4. Physics

    A child on a toboggan slides down a hill with an acceleration of magnitude 1.5 m/s^2. If friction is negligible, what is the angle between the hill and the horizontal? --- I don't even know how to get started on this question. Well, I first drew the free

    asked by Lucy X
  5. investment question

    scott and laura have both invested some money. Scott invested $3,000 more then laura and at a 2% higher interest rate. If scott received $800 annual interest and laura received $400, how much did scott invest?

    asked by Joe
  6. Chemistry

    Calculate the total number of atoms in 0.00102 mol CH3(CH2)4CH2OH The answer in the back of my book says 1.29 x 10^22 but i do not understand how they got to that answer. Will someone please show me how they would set up the problem. I though all you had

    asked by Bob
  7. chemistry help

    Determine the number of moles of each specified atom or ion in the given samples of the following compunds.( Hint: the formula tells you how many atoms or ions are in each molecule of formula unit.) a. O atom in 3.161x10^21 molecules of CO2 b. C atom in

    asked by jaz
  8. Statistics

    Need help with these questions: I have already answered 27 out of the 30 accept these last three: 8. Given the significance level 0.01, the F-value for the degrees of freedom, d.f. = (7,3) is. A) 8.45 B) 27.67 C) 5.89 D) 14.62 9. One-way ANOVA is performed

    asked by Stuart
  9. biology

    There is a beaker with 0.4% sucrose solution and the solute potential is -4. Inside the beaker, there is a dialysis bag with 01% sucrose solution, solute potential -1 and pressure potential 0. When the beaker is open to the atmosphere, what is the pressure

    asked by izzy
  10. chemistry

    Oxygen gas reacts with powdered aluminum according to the following reaction: 4Al(s)+3O2(g) yields 2Al2O3(s) What volume of gas (in L), measured at 770 mmHg and 35 degrees C, is required to completely react with 53.9g of Al?

    asked by rusty
  11. chemistry

    What [I-] should be maintained in KI(aq) to produce a solubility of 1.4×10−5 mol PbI2/L when PbI2 is added? Ksp of PbI2 = 7.1 x 10^-9 PbI2 Pb + 2I i: - (1.4x10^-5) 2(1.4x10^-5) c: - +x " I solved for x. Ksp = [Pb][I]^2 (7.1x10^-9) = (1.4x10^-5 +

    asked by Karissa
  12. math

    how to convert a fraction to a decimal? 3 - 5 1/50

    asked by andrew
  13. Algebra

    I have an assignment due tonight and I believe I have solved it all correctly until I come to part d of the question. "For what value is this equation undefined?" How do I determine this? The Environment Environmental and wildlife preservation ensures

    asked by James
  14. distance

    some bank robbers leave town traveling at 70 mph. Ten minutes later, the police are chasing them at 78mph. How long will it take the police to overtake the robbers. show work if possibly thank you

    asked by John P
  15. 7th grade science

    How do lithospheric plates lead to evolution and species? Please help me.

    asked by Cassandra
  16. chem

    a soln. that is .195 M in CH3NH2 and .105 M in CH3NH3Br what is the balanced equation for this ? How do you know ?

    asked by natash
  17. PreCalculus

    A kite has a lifting surface area of 630 square meters. Suppose the wind is blowing against the kite with a force of 100 newtons at an angle of 20 degrees above the horizontal. How much force is lifting the kite? I tried to draw a diagram, but I don't

    asked by Katie
  18. math

    E=hf-w w=? The answers are: -E/hf E+hf hf-E

    asked by Dan
  19. chemistry

    The Ka values of maleic acid, HOOCCHCHCOOH, are shown below. Ka1 1.5 10-2 Ka2 2.6 10-7 A 50.0 mL sample of 0.11 M of maleic acid is titrated with 0.14 M NaOH. Calculate the pH at the following points in the titration curve. find the first and second eq

    asked by Amy
  20. Chemistry

    I just need someone to show me how these problems are done then i can do them myself The Ka values of H2CO3 are shown below. Ka1 4.6 10-7 Ka2 4.4 10-11 What is the pH of a 0.15 M solution of Na2CO3? that one i tried to write out all the equations witht

    asked by Amy
  21. algebra 1

    The owner of the Fancy Food Shoppe wants to mix cashews selling at $8.00/kg and pecans selling at $7.00/kg. How many kg of each kind of nut should be mixed to get 8 kg worth $7.25/kg?

    asked by andres
  22. math!!! help please?!

    what is the probability of not throwing 7 or doubles for 6 consecutives throws with a pair of dice? help please?!?!!

    asked by joanna
  23. ****Science****

    how do lithospheric plates lead to evolution and species?

    asked by Cassandra
  24. English

    topic suggestions? Informative topics? persuasive topics? entertainment topics?

    asked by meimei
  25. grade 9 math!!!!!!!!!! please help

    lavre has sixty-one coins, all of whichare dimes and quaters. if the total value of the coins is $9.85, how many of each kind of coins has she?

    asked by selena
  26. Chemistry

    When 23.3 mL of 0.14 M HCl are added to 50.0 mL of a 0.16 M solution of a weak monoprotic base, the pH of the solution is 10.50. What is the Kb of the weak base? do u find moles of both and then add the moles for HB+ and then just use the B- moles for the

    asked by Chris
  27. civics

    1)What are the current flaws in the Electoral College system? 2) What changes would you make in the system? 3)Would you make these changes? Why? How? 1)There are several flaws in the Electoral College system. Among these, is the Winner Take All system.

    asked by nirvana
  28. 5th grade

    chair is to table as stool is to... hurry is to run as stroll is to... corner is to walls as ______ is to bones top is to roof as bottom is to _____ Snow is to white as sea is to _______ cocoon is to butterflies as seed is to _______. Chair is to sit as

    asked by Anand
  29. Check

    13. Giganeers faces competition from many other companies that also provide engineering consulting services. In order to gain more business, Gig has tried to convince potential clients that his company offers better service than the competition. He has

    asked by Bryan
  30. how do i set up this problem?

    A cruise boat travels 48 miles downstream in 3 hours and returns upstream in 6 hours. Find the rate of the stream

    asked by Angela G
  31. science

    A ball is traveling at a constant velocity of 50 m/s and has been traveling for over 2 minutes. What is the ball’s acceleration

    asked by sandy
  32. HISTORY!! help plz and thannks

    what are protective tariffs and the factory system? I want to know what a factory system si because the question is Why was the factory system beneficial to Canadians. help plz and thank u!

    asked by beecca
  33. college algebra

    a garden hose can fill a pool in 3 days and a longer one can bill the pool in 2 days. How long will it take to fill the pool if both hoses are used.

    asked by Lou
  34. math

    how to convert a fraction to a decimal

    asked by andrew
  35. science

    describe the purpose of dna

    asked by tinikya
  36. math

    A coin is tossed. If a head appears, a spinner that can land on any of the numbers from 1 to 5 is spun. If a tail appears, the coin is tossed a second time instead of spinning the spinner. What are the possible outcomes? A.

    asked by Jason
  37. distance problem

    Suiz drove home at 60mph, but her brother jim, who left at the same time, could only drive at 48mph. when suzie arrived, jim still had 60 miles to go. how far did suzie drive? Please show work

    asked by Cory
  38. college

    LIST 5 TYPE OF CHEMICAL EXPLOSIONS

    asked by TRE
  39. lang.

    avalanches mainly occur in B.C and Alberta than in mountainous regions in Eastern Canada or the North because..??? yes um i would really like to know why!! please help me!! thanks.

    asked by beecca
  40. math 7th grade

    A coin is tossed. If a head appears, a spinner that can land on any of the numbers from 1 to 5 is spun. If a tail appears, the coin is tossed a second time instead of spinning the spinner. What are the possible outcomes? A.

    asked by Jason
  41. business

    In writing a advertisement for a job(mine is senior system analyst) What items should I list that must be included in the advertisement for legal purposes? am so lost here

    asked by april
  42. English Defn

    Does work work refer to the type of paid employment? Yes or no?

    asked by Anonymous
  43. business

    if you need my job descripiton i wrote I canpost that for you if it helps you to help me.

    asked by april
  44. science

    can you u tell me about the iron and suplhur and with the pictures information?

    asked by rashid
  45. Civics

    Who gave the longest filibuster in the U.S Senate? How long was the filibuster? What year was it and what was the filibuster about?

    asked by nunu
  46. psychology (social studies)

    I'm suppost to find a site with a really ugly photo of Taylor Lautner. This is my hardest assignment yet!!

    asked by Twilight lover
  47. math

    F=Gm^2/r^2 G=? My answer is Fm^2/r^2. Is this right?

    asked by Dan
  48. Chemistry

    A 50.0 mL sample of 0.51 M benzoic acid, C6H5COOH, a weak monoprotic acid, is titrated with 0.40 M NaOH. Calculate the pH at the equivalence point. Ka of C6H5COOH = 6.5 10-5. what am i supposed to do with this?

    asked by John
  49. Science

    How is it possible to have an instrument like a bugle that has a fixed-air column play a melody?

    asked by Lena
  50. Religion

    Is it called purgatory when you're in between life and heaven/hell? Thanks.

    asked by Olivia
  51. civics

    how does a bill become a law thanx :)

    asked by softball gal
  52. 8th grade history

    I'm writing a research report on the very first stagecoaches. The information that I cannot find is: Who invented it who has improved it over the years how and where was it originally used If not used today, why is it not used, and what replaced it? Thank

    asked by Coco
  53. Math pizzazz worksheet answers

    Where willcampers sleep in 20 years?

    asked by alex
  54. Physics 30

    Would the answer to this question be total energy and momentum for both one dimensional and two dimensional collisions: State the quantities conserved in one dimensional and two dimensional collisions.

    asked by Jodine
  55. physics

    why is the total distance traveled by a mass traveling in a circle of radius R during n revolutions =2piRn. The average speed is the distance traveled divided by the elapsed time, so: v=2piRn/delta T, where delta T is the elapsed time.

    asked by natash
  56. Math

    Solve for the value of x. x to the power of -2/3=9/4

    asked by Sydney
  57. organic chemistry

    Explain why Grignard reagent cannot be prepared from an organic halide that contains a hydroxyl (-OH), a carboxyl (-COOH), a thiol (-SH), or an amino (-NH2 or -NH) group.

    asked by Anonymous
  58. business

    Business Portfolio Presentation

    asked by Anonymous
  59. ***CHEMISTRY***

    Two pans of water are on different burners of the same stove. One pan of water is boiling vigorously while the other is boiling gently. Compare the temperature of the water in the two pans. (Are the temperatures the same, different, how?) ****PLEASE HELP!!

    asked by BRITTANY!
  60. Math

    E=hf-w w=? My answer was E/hf but I think this is wrong.

    asked by Dan
  61. physics

    equation is: n1sino1=n2sino2 (o means theta) ______________________________ Given info: So n1=1.5 n2=1.0 o1(incident angle)=20 solve for o2 Can you check this: n1sin20=n2sino2 1.5x0342=1sino2 .513=sino2 inverse sin(.513) o2=30.86 degrees is this right?

    asked by JeFF
  62. Math

    Express as a single logarithm. log(subsript)5ã175-log(subscript)5ã7

    asked by Lisa
  63. Caring for School-Age Children

    When properly executed, the behavior management strategy known as time-out becomes A.a positive reinforcer B.more effective than logical consequences C.a conversation betwen child and adult D. suitable punishment for misbehavior I chose the letter A. Can

    asked by Cynthia
  64. Math

    If the graph of y=log(subscript)ax passes through the point (8,3/2) then determine the value of a. Please Help!

    asked by Hannah
  65. physics

    why is the total distance traveled by a mass traveling in a circle of radius R during n revolutions =2piRn. The average speed is the distance traveled divided by the elapsed time, so: v=2piRn/delta T, where delta T is the elapsed time.

    asked by natash
  66. math % problem

    At birth a baby weighed 8 pounds 4 ounces. Two days later the baby weighted 7 pounds 12 ounces. What percent of it's weight had it lost? (show me the steps please)

    asked by Melissa
  67. Math

    Express as a single logarithm log(subscript)5(square root)175-log(subscript)5(square root)7 Please Help Me!

    asked by Hannah
  68. Chemistry

    I think I get ionic compounds now. I'm just a bit unsure about my answers for these ones. 4. The cation is Au^3+ and the anion was SiO3subscript^-2. For the compound, I wrote (Au subscript2)subscript SiOsubscript3. Is this correct? Would it be called Gold

    asked by Nelle
  69. Organic Chemistry

    Some biphenyl ( C6H5----C6C5) is produced as a by-product in the synthesis of benzoic acid . Where does this come from?

    asked by dora
  70. English

    What does this mean?: Why it is sometimes important to break the confidence of a friend?

    asked by Growler
  71. Math

    Express as a single logarithm. 1/2log(subscript)3 144-log(subscript)3 4+2log(subscript)3 3 Please Help!I just can't seem to get the correct answer when I do it.

    asked by Hannah
  72. Trivia

    Unscramble these 5 letters to form a St. Patrick's Day term? FETSA

    asked by Jim
  73. chemistry

    If calcium oxide is added to sea water a number of changes occur. first calcium oxide reacts with water to form calcium hydroxide. What is the equations

    asked by mom
  74. college math

    Prove: there exists x and y for c=ax+by iff gcd(a,b)/c.

    asked by Laura
  75. English

    Can you tell me if this sentence is correct? Great ethics determine individuals' views on accepting certain standards.

    asked by Molly
  76. math

    F=Gm^2/r^2 G=? The answers are: Fr^2/m^2 sqrt(F)m/r sqrt(F)r/m

    asked by Dan
  77. Chemistry

    How would you write out the names of NaOH, since the oxygen is before the hydrogen? I'm accustomed to writing the oxygen last.

    asked by Nelle
  78. english

    Is this sentence correct? Living up to these expectations could be difficult and society not accepting those cloned children could be a challenge. Should it be these or those

    asked by Molly
  79. HUM 130

    HOW ARE MOHAMMED AND jESUS'S MESSAGES BEING CARRIED OUT TODAY?

    asked by P
  80. French Cuisine (URGENT)

    Okay, I need to find 5 foods (dishes/meals) from after the French Revolution. And 1 recipe. Also, I need to find 2 foods that are popular now that is influenced by the French Revolution. And 1 recipe. I've searched through google many times. But haven't

    asked by Larry
  81. 8th Algebra

    1) An airplane took 2 hours to fly 600 km against a head wind. The return trip with the wind took 1 2/3 hours. Find the speed of the plane in still air.

    asked by Joy
  82. Us History

    What is the period in american history from 1901-1914 called?

    asked by jecce.
  83. chemistry

    Aluminum is burned in O2 to give Al2O3. 74g of aluminum are mixed and reacted with 56g O2. What mass of aluminum oxide is produced? #gAl2O3 = 56gO2 x ??

    asked by sh
  84. Social Studies

    Canadas geography is noteworthy because the country has what?

    asked by Cheryl
  85. need help math

    Solve the problem. Roberto invested some money at 7%, and then invested $2000 more than twice this amount at 11%. His total annual income from the two investments was $3990. How much was invested at 11%?

    asked by mark
  86. algebra question

    Marty leaves the airport in his private plane and flies due east at 186 mph. Two hours later, a jet leaves the same airport and flies due east at 434 mph. When will the jet overtake Marty's plane?

    asked by Angela G
  87. ALGEBRA 1

    The square of an integer is 30 more than the integer. Find the integer. Is there some sort of equation to use to solve this? And how can the square of an interger actually be 30 more than the integer? I am confused!

    asked by Dippy
  88. chemistry

    Starting with equal concentrations of all solutes, predict the direction in which the following reaction will proceed. H3PO4(aq) + HCO3-(aq) ¨ H2PO4-(aq) + H2CO3(aq) a. left b. right c. no net reaction

    asked by Anonymous
  89. chemistry

    Determine the number of moles of each specified atom or ion in the given samples of the following compounds.( Hint: the formula tells you how many atoms or ions are in each molecule of formula unit.) a. O atom in 3.161x10^21 molecules of CO2 b. C atom in

    asked by bre bre
  90. chemistry

    If the volume of solute is 6 ml and the volume of the solution is 300 ml, what is the solute's percent by volume? is it solute/solution so % = 6/300 so then would it be % = .02 would i change it to 2%???

    asked by lyne
  91. Sose

    Hi there i am stuck with question on my sose assignment the qustion is what is the differance between a tidle wave and a tsnarmi? Hpoefully you can help ffrom Rory p.s im in grade 8

    asked by Rory
  92. English

    I need some help with verb tense. I get a little confused on which tense to use if I write in present and past. Help please! Thanks much!

    asked by Naoko
  93. college-Finance

    any help? thank you Diazstar corporation sells on terms of 2/10, n/30. 70% of costumers normally avail of the discounts. annual sales are $900,000. 80% of which is made on credit. Cost is approximately 75% of sales. required: 1. average balance in accounts

    asked by meimei
  94. geometry

    You are reducing a map of dimensions 2 ft by 3 ft to fit to a piece of paper 8 in. by 10 in. What are the dimensions of the largest possible map that can fit on the page?

    asked by bre
  95. college finance

    hey...last one please..please...the accelerating colection..please... Doria's Corporation makes sales of $2,160,000 per annum. The average age of accounts recievable is 30 days. Management considers shortening credit terms by 10 days. Cost of money is 18%

    asked by meimei
  96. science

    what is "ice age"?

    asked by Anonymous
  97. Physics

    I did a lab in which we were to find the 1st resonance and 2nd resonance and from them we found wavelength which in turn helped us find speed of sound. We used tuning forks and the frequancy was given. We besically moved a plastic tube which was in water

    asked by Lena
  98. Chemistry

    How can Ag2Cro4 have a four on the O? Ag has a charge of two, so multiplying it by 2 would give me two, but multiplying Cr, with a charge of two (one of its few choices) by four would give me eight. How does that balance? Thank you so muh for checking on

    asked by Nelle
  99. algebra

    12f-15+3+16f=-2f-12+20

    asked by haley
  100. Social Studies

    Why did colonists want a written constitution?

    asked by Christopher
  101. Science

    I am in 4th grade and I picked the red cabbage indicator as part of my science project. I have all the information but I don't know how to set it up on my board. Please give my an idea how to start to. My hypothesis is what common household items are

    asked by TerrelV
  102. Chemistry

    The name of one of the compounds given on my worksheet is Molybdenum V. But according to my periodic table, there is no MOlybdenum with a charge of 5. How could this be right? Thanks for looking into this!!

    asked by Nelle
  103. Chem

    I went through the periodic table several times, and I could not find oxalate!!! Where is it? Thank you.

    asked by Jeff
  104. chemistry

    bromination of propylbenzene gives 1-bromopropylbenzene instead of 2-bromopropylbenzene or 3-bromopropylbenzene upon reaction with N-bromosuccinimide in precence of benzoyl peroxide as a radical initiator

    asked by Anonymous
  105. history

    How did Fort Repose adapt to the changes after The day?

    asked by jerson
  106. history

    We has to read a book called alas babylon and we has to write an essay about how did fort repose adapt to the changes after the day. and I ran into two examples in the book that i didn't quite comprehend It says people unconsciously were inclined to split

    asked by jerson
  107. social studies

    whats the us governments role as regulator and who do they protect?

    asked by jerson
  108. business math

    The Kansas City Star on February 16, 2007 reported on the lowering prices of natural gas. With lower natural gas prices and unseasonably warm weather early this winter the forecast is that gas-heating customers will pay $950 as compared to $1,339 last

    asked by jimmy
  109. Larry & French Revolution

    This is a book your library might have but you can read it online:

    asked by SraJMcGin
  110. college algebra

    Sally took four tests in science class. On each successive test, her score improved by 3 points. If her mean score was 69.5%, what did she score on the first test?

    asked by Joe
  111. college math

    Abby Kaminsky sold her ski house at Attitash Mountain in New Hampshire for $261,000. This sale represented a loss of 13% off the original price. What was the original price Abby paid for the ski house? (Round your answer to the nearest dollar. Omit the "$"

    asked by steve
  112. Science

    How do I do a simple particle diagram to show how ear defenders work???

    asked by Hannah Xx
  113. spanish

    Que usas papa jugar al beisbol?

    asked by Abegail
  114. work and time

    If 15 men or 24 women or 36 boys can do a piece of work in 12 days, working 8 hours a day, how many men must be associated with 12 women and 6 boys to do another piece of work 9/4 times as great in 30 days working 6 hours a day?

    asked by suraj
  115. Eng. Quick?

    Quick Question? What would be the abbreviation for therapeutic and reproductive.

    asked by Michele
  116. college algebra

    previous question, can hannah xx please explain how she got the answer to that question

    asked by Joe
  117. algebra

    Solve the problem. Helen Weller invested $15,000 in an account that pays 12% simple interest. How much additional money must be invested in an account that pays 15% simple interest so that the total interest is equal to the interest on the two investments

    asked by mark
  118. college algebra

    x^2+8x complete the square to make the binomial a perfect trinomial

    asked by Joe
  119. Visual Basics... Multiple Choice..

    What does the statement the statement '' create? What is the scope of a variable declared static in a function? a. visible in the script but not in a function b. Once declared visible globally c. Only visible within the function d. Only visible in the

    asked by Mike
  120. Math

    What are the rules of rotation for specific degrees for both counterclockwise and clockwise?

    asked by Angie
  121. Math

    A coustomer wants to make a teepee in his back yead for his kids. He plans on using PVC plumbing pipe for the supports on the teepee, and he wants the teepee to be 12 feet across and 8 feet tall. Howlong should the PVC plumbing pipe be?

    asked by tom
  122. algebra

    Marty leaves the airport in his private plane and flies due east at 186 mph. Two hours later, a jet leaves the same airport and flies due east at 434 mph. When will the jet overtake Marty's plane?

    asked by mark
  123. algebra time and distance

    Karin biked at 13 mph for a time but got a flat tire. She then walked at 5 mph. She traveled a total of 93 miles. Had she biked the whole time, she would have gone 117 miles. How many hours did she walk?

    asked by mark
  124. algebra

    Solve the problem. Anne and Nancy use a metal alloy that is 24.9% copper to make jewelry. How many ounces of a 20% alloy must be mixed with a 27% alloy to form 100 ounces of the desired alloy?

    asked by mark
  125. english

    I'm putting the finishing touches on my final draft of my essay. In my conclusion we have to restate are thesis in different words. My thesis in my introduction was Therapeutic cloning is better than reproductive cloning because of the great ethics,

    asked by Michele
  126. algebra interest word problem

    Solve the problem. Roberto invested some money at 7%, and then invested $2000 more than twice this amount at 11%. His total annual income from the two investments was $3990. How much was invested at 11%?

    asked by mark
  127. Math

    Which of the following are examples of multiplicative inverses? 1) csc x and sin x 2) tan x and cot x 3) cos^-1 and cos x 4) ln x and e^x A. All of these B. 1 and 2 C. 1,2, and 3 D. 3 and 4 I know it's not all of them...but I'm leaning toward B. Help

    asked by Nikki
  128. math please help!!

    Solve the problem. Anne and Nancy use a metal alloy that is 24.9% copper to make jewelry. How many ounces of a 20% alloy must be mixed with a 27% alloy to form 100 ounces of the desired alloy?

    asked by Angela G
  129. 10th grade chemistry

    We're doing a lab report on the hardness of water, and one of the calculations is "The EDTA reacts with the hard water ions in a 1:1 mole ratio. Calculate the molarity of the ions present in 20 mL of water tested." How would you do this?

    asked by ceedub
  130. ****CHEMISTRY****

    Can you see the particles in a coloid, suspension, and solution? Can any of those be filtered?

    asked by BRITTANY!
  131. phsics

    what is pumped into walls for insulation? help please :(

    asked by lorney
  132. Physics

    Is this statement correct: When part of sound travelled through water, wavelength and speed of sound would change because since the particles are closer together in water than in air, the speed of sound would increase which in turn would decrease the

    asked by Lena
  133. college

    Suppose we could arrange a debate between John Locke and Jean Jacques Rousseau on the nature--nurture controversy. Summarize the argument that each historical figure is likely to present. Be thorough, specific and succinct

    asked by sahron
  134. college algebra

    writing equation in quadratic form then solve 36/b-17=-24/b+1

    asked by Joe
  135. Physics

    Why does frequancy stay the same when going through different mediums?

    asked by Lena
  136. Mathematics

    My teacher gave us this equation, and I can't remember how to use it. It's for Simple and Compound Interest. Future Value=d[((1+i)^n-1)/i] d=deposit each time period i=rate per time period n=number of time periods

    asked by David
  137. algebra 1

    the square of an interger is 30 more than the integer. Find the integer.

    asked by Dippy
  138. Science Bio

    Hi there, I have a quick question which I'm really stumped on. 1. When combined with Lugol's solution (iodine), does glucose and sucrose contain starch? I think glucose has starch but not sucrose. Is this right?

    asked by Jenny
  139. RE

    please could someone help me . i need to write an essay about baptism in a catholic church , C of E church an Anglican church, for adults and children. the different processes and what happens during the baptism. thankyou !

    asked by Phoebe
  140. english

    I have to write a contrast compare essay on dr kings i had a dream speech and old majors speech from animal farm. i need help

    asked by jan
  141. Business

    15. Identify and describe the 4 basic rights that form the foundation of capitalism

    asked by Bryan
  142. Chemistry

    The Ka values of H3PO4 are shown below. Ka1 7.5 10-3 Ka2 6.2 10-8 Ka3 4.8 10-13 What is the pH of a 0.19 M solution of NaH2PO4?

    asked by Chris
  143. math

    dividing moniomials. 2 to the 2nd/2to the -3

    asked by lo
  144. math

    John O'Sullivan has just completed his first year in business. His records show that he spent the following in advertising: Newspaper $500 Radio $800 Yellow Pages $875 Local flyers $650 What percent of John's advertising was spent on the Yellow Pages?

    asked by michael
  145. complex numbers

    find the values of x and y x+5i=y+yi

    asked by Lou
  146. crt 205

    Final Project: Comprehensive Argument Analysis

    asked by Anonymous
  147. World History 201

    4.After conquering the Kingdom of Judah, Cyrus the Great ordered the destruction of the temple in Jerusalem? False 5. All Persians kings were believed to be gods? True 6. According to Confucius, human society primarly consisted of unequal relationships?

    asked by amy
  148. US HISTORY.

    Why did farmers express discontent during 1870-1900 and what impact did their new attitudes and actions have on national politics?

    asked by Lauren
  149. ***CHEM QUESTIONS***

    1. will molten sodium chloride (NaCl) cunduct electric current? Why? 2. Why does adding detergent to water make it spread out into thin sheets. (Use a name and explanation) 3. Define capillary action 4. Which has a greater vapor pressure: CCl4 (carbon

    asked by BRITTANY!
  150. world history 201

    will someone double check these true/false questions for me, and if you see any you believe to be wrong, let me know. thanks. 1 In the Andean civilization, the devasting effects of El Nino resulted in a reduction in the supply of occean fish? True 2. Norte

    asked by amy
  151. World 201

    8. Confucius taught that filial piety had to do with the care and provision parents religiously gave to their children? False 9. Daoism is the belief that all people should reject social harmony and work to maintain a good and strong government? False 10.

    asked by amy
  152. PHYSICS

    How is it possible to have an instrument like a bugle that has a fixed-air column play a melody?

    asked by Lena
  153. math

    lavere has sixty-one coins, all of which are dimes and quaters. if the total value of the coins is $9.85, how many of each kind of coins has she?

    asked by ranujan
  154. English

    1. Jane and Mike are the same in score. Jane and Mike are the same in a score. Jane and Mike are the same in the score. (For example, Jane got 90 points. Mike also got 90 points.) Which expression is correct? 2. How does the baby look? It looks sleepy. (Is

    asked by John
  155. Bio

    Why is HIV so successful in infecting human?

    asked by jess
  156. algebra

    What percent is 32600000000 of 58200000000?

    asked by Chris
  157. English

    1. I will try to be the first in score in my class. 2. I will try to get good grades on the exams. 3. I will try to make a speech in front of my classmates. 4. I will try to eat healthy food every day. 5. I will try to go abroad to study linguistics. (Are

    asked by John
  158. Chemistry

    A student must make 500 mL of a 1.5 M HCl solution. The student has plenty of water and a stock solution of 6.0 M HCl to use. What volume of the 6.0 M HCl solution must be added to what volume of water to make the desired 500 mL of 1.5 M solution? I don't

    asked by Katie