1. Intro Chemistry

    I am reviewing my test and I having trouble figuring out the answer to the following question: List the following element symbols in order of decreasing exothermic electron affinity: Al, Ca, As _______>________>________ I wrote: Al>As>Ca (I got it wrong) I

    asked by chem on March 6, 2010
  2. Math (Physics)

    Problem: What wavelength photon would be required to ionize a hydrogen atom in the ground state and give the ejected electron a kinetic energy of 19.1 eV ? Answer--> λ =______nm [Note: I got 3.8x10^-8. I got it wrong twice] My steps: (32.7 eV)(1.6x10^19)=

    asked by Dom on April 25, 2017
  3. Spanish

    Answer the following questions what does pre viernes el pescado o el bonyo mean what does que co mis parlemis i duno mean? what does pre viernes la liche o el hugo mean in spanish? what does que te gusta comer parde e la guarso mean? I know some of these

    asked by nothing on March 22, 2011
  4. Math--3 questions. Plz help.

    3. Write a numerical expression to represent the following: Margot took $45 with her to the amusement park. She spent $20 on lunch and spent $5 to rent an inner tube. Then find the sum. 45 + (–20) + (–5); 15 45 + (–20) + 5; 30 (–45) + (–20) +

    asked by Princess Anna on September 25, 2014
  5. Algebra Help please

    In an experiment, a petri dish with a colony of bacteria is exposed to cold temperatures and then warmed again. Find a quadratic model for the data in the table. Type your answer below. show your work. time hours , 0 1 2 3 4 5 6 Population (1000s) 5.

    asked by Ciaria on March 17, 2015
  6. Math

    Brody deposited $500 into an account that earns 4.2% interest compounded annually. He makes no additional deposits and no withdrawals. Approximately how much interest will the account have earned after 7 years? A $167 B $420 C $542 D $665 I think the

    asked by Lily on January 20, 2016
  7. Physics -- check answers please

    1. Which of the following energy transformations best describes the operation of a solar powered battery charger? (a) electrical energy --> thermal energy --> kinetic energy (b) nuclear energy --> potential energy --> chemical energy (c) thermal energy -->

    asked by Jessica on April 7, 2014
  8. French

    Can you check these this lesson deals with expressing doubt and certainty using indicative and subjunctive. Un Mariage Directions: Répondez en utilisant Je crois que ou Je ne crois pas que 1. Ton meilleur ami ou ta meilleure amie va bientôt se marier?

    asked by Missy on April 12, 2011
  9. math

    Can someone please check my work?? 16. The bigger the number the slope is in the equation, what do you notice happens to the graph? When the slope, m, gets bigger the line will become steeper. My Answer~~ As the slope, m, gets bigger the line gets steeper

    asked by Abby on October 29, 2015
  10. English

    Act 1 Scene 1 .. Romeo & Juliet I don't know the answer to two of my questions for Romeo and Juliet the first one . . . Although Rome and Juliet is a tragedy, much of the play is quite comic. Outline briefly the comic elements in this scene. To whatextent

    asked by Becca on February 13, 2007
  11. AP Statistics

    Do the samples appear to be from the same population? Why or why not? Support your answer with numerical facts and convincing reasons and explanations Chemical distribution stats: Five # summary: (2.29816, 2.29869, 2.299152, 2.30074) Mean: 2.299706

    asked by Ashley on October 7, 2015
  12. Algebra

    - There are less than 40 members of the Landowners Association. These memebers vote on various proposals. All the members were present at a meeting and all voted on each of two proposals. On the first proposal 4 times as many memebers voted yes to those

    asked by Randy on December 5, 2012
  13. Physics

    A tennis ball isdropped from 1.52m abovethe ground. It rebounds to a height of 0.918 m. With what velocity does it hit the ground? The acceleration of gravity is 9.8 m/s2 . (Let down be negative.) Answer in units of m/s. (part 2 of 3) With what velocity

    asked by Lynelle on September 3, 2018
  14. Literature / Short story I

    1. During what part of “Bernice Bobs Her Hair” does Bernice cut Marjorie’s braids? A. Climax C. Falling action B. Rising action D. Epiphany 2. The label detective novel is an example of A. a character study. C. a genre. B. informational reading. D. a

    asked by Brittany on March 13, 2009
  15. Introduction and sort story part 1

    1. During what part of "Bernice Bobs Her Hair" does Bernice cut Marjorie's braids? A. Climax B. Rising action C. Falling action D. Epiphany 2. The label detective novel is an example of A. a character study. B. informational reading. C. a genre. D. a

    asked by Randi wolfe on August 20, 2008
  16. early childhood

    Can someone please help me with this? I think I have the right answer--just need verification. Which statement most accurately describes "normal" growth and development of the pre-school child? 1.It occurs at a uniform rate for all chidren. 2.It is a

    asked by Bethany on April 11, 2007
  17. Math - gr.11

    Hi, can someone help me figure out how to do this question? A 5m stepladder propped against a classroom wall forms an angel of 30 degrees with the wall. Exactly how far is the top of the ladder from the floor? Express your answer in radical form. This

    asked by Kim on November 20, 2008
  18. Math

    George is going to buy a new Chevy Jupiter for $20300. The dealership will offer a loan for the total value of the car at 9.75% APR for 4 years. Round all answers to the nearest penny. Use Web Loan Calculator to answer part of this question Okay so i

    asked by Tyreice on March 31, 2017
  19. PHYSICS

    AHH this problem is driving me nuts! A small container of water is placed on a carousel inside a microwave oven, at a radius of 13.5 cm from the center. The turntable rotates steadily, turning through one revolution each 6.50 s. What angle does the water

    asked by Jen on January 23, 2010
  20. History

    Use the drop down menus to complete the following sentence. Although (A) ______ did have some positives like creating a legal code, it generally(B)_______ through severe punishments. Answer choices for A Legalism*** Daoism Confucianism the mandate of

    asked by Stumped on December 6, 2018
  21. time and stress management

    am example of a long-term goal is (a)getting your hair done at your favorite salon (b)traveling to europe (c)finishing a term paper (d)reading a biography my answer is b which of the following is a direct benifit of practicing relaxation techniques (a)less

    asked by susue on October 5, 2012
  22. cultural diversity

    NAEYC supports "third space" thinking as a desirable technique for use in A. stimulating children's right-brain processes. B.enhancing staff performance in the early childhood setting. C.Resolving conflicts, especially those involving cultural issues.

    asked by Rashmi on January 27, 2013
  23. geography

    In the post-industrial era, an edge city is a/an A. urbanized development that is an extension of a megalopolis B. complex of warehouses, shopping malls and offices located along traffic routes C. merger of several residential suburbs into one entity D.

    asked by suzanne on July 11, 2014
  24. Social studies

    3.The magna carta was the first step toward England's? A. large cities B. war with france C. merchant guilds D. more democratic government (MY ANSWER) 4.athens permitted citizens to take part directly in the day-to-day affairs of goverment and became the

    asked by LOVE on March 28, 2016
  25. psychology

    1 Jamal just recently disclosed to his friend that he's gay. Most likely he's a/an -years-old. A 14 B 16 C 18 D 20 i believe the correct answer is C 2 One of the main reasons girls have more difficulty than boys transitioning from elementary to high school

    asked by nia on April 7, 2009
  26. Art 1 question PLZ HELP ASAP

    What is the primary role of an art conservator? A. Making copies of famous artworks to display in original. B. Determine the best scientific way to repair and protect artworks**** C. Putting artifacts in storage and keeping them away from public D. Using

    asked by #Help me! on January 8, 2016
  27. Dr.Bob (about finding the ml of ethanol)

    ~From before since the question's been bumped to the next page. Just copied and paste with added stuff. I'm confused as to what to do for the calculations for my lab. Lab: Semimicroscale crystalization-erylenmyeyerflask and Hirsch Funnel Weigh 0.30g of

    asked by ~christina~ on September 3, 2007
  28. Math

    1. The movie theater has 21 cups of popcorn. Each container they sell holds 3/4 cup of popcorn. How many containers can the theater sell before they need to get more popcorn? My answer is 28 containers.. 2. A sixth of the vegetable plants in a garden are

    asked by Khrys on February 3, 2014
  29. 3 grade math

    1- at 12 noon, leslie recorded the temperature as 56F. the temperature had increased by 8F from 10 A.M. the temperature at 8 A.M. was 2F warmer than it was at 10 A.M. what was the temperature at 8 A.M? MY Son write the answer is - 62F 2- the temperature at

    asked by dk on February 29, 2012
  30. simple question

    If an answer is to be 2 decimal places and the answer is 244.0983 would that make it 244.00 or 244.10 not sure???

    asked by DeeDee7 on June 14, 2013
  31. Math

    use the table below to answer the question that follows. n 2 4 6

    asked by The Weekend on May 16, 2017
  32. English

    A: May I bring a radio on a camping trip? B1: No, you must bring it. B2: No, you must bring one. (Which answer is right? Do we have to use 'one' or 'it' as the answer to the question?)

    asked by John on November 16, 2008
  33. Algebra

    Is this answer correct? Express as a single logarithm: log[2](6)+log[2](13) Answer= log[2](78)

    asked by Amy Zieg on June 12, 2010
  34. Calculus

    Find the volume of the solid obtained by revolving the region x=(y-2)^2, the x-axis, the y-axis, about the x-axis. So I understand that you're supposed to use disc method; however, idk where I evaluated wrong. My final answer is 136π/3, but according to

    asked by Mike on December 17, 2018
  35. science

    Secretin a) stimulates the release of alkaline products by the pancreas b) stimulates the gastric juices c) is released by the salivary glands d) decreases the stomach's churning activity e) stimulates the release of digestive enzymes I think that the

    asked by sammi on February 19, 2010
  36. Marketing Management

    What ae subway limited target group? Are you asking what the Subway sandwich company targets as its prime customers? Please clarify your question and we'll try to help you. Actually i am totally lost at what i am really looking for. This was suppose to be

    asked by zeta on January 14, 2007
  37. PHYSICS

    Hi! I have some questions from a study guide in my physics class, and they give me the answer, but I have to show how to get the answer. I did most of them, but need help with these. Here is problem #1: A skier with a mass of 60.0 kg is standing at the top

    asked by Anna on March 7, 2013
  38. US Government

    Hello, I need some help with a few Government true/false questions. The Office of Management and Budget can withhold funding for a program that the President considers ineffective. My answer=False The threat of the spread of communism around the world is

    asked by Dennis on November 18, 2014
  39. physics

    Three blocks are in contact with each other on a frictionless horizontal surface. A 696 N horizontal force is applied to the block with mass of 4.7 kg as shown in the figure below. The acceleration of gravity is 9.8 m/s 2 . 4.7 kg 5.5 kg 7.1 kg F a) What

    asked by Anonymous on October 19, 2012
  40. algebra

    You may have to convert from feet to miles several times in this assignment. You can use 1 mile = 5,280 feet for your conversions. 1.Many people know that the weight of an object varies on different planets, but did you know that the weight of an object on

    asked by frank on March 1, 2008
  41. Probability

    We are given the following statistics about the number of children in the families of a small village. There are 100 families: 10 families have no children, 40 families have 1 child each, 30 families have 2 children each, 10 families have 3 each, and 10

    asked by qwerty on April 29, 2014
  42. Chemistry

    A 1.33 m solution of the solute diethyl ether dissolved in the solvent tetrahydrofuran is available. Calculate the mass(kg) of the solution that must be taken to obtain 0.4716 kg of diethyl ether. Name/Formula: diethyl ether = (C2H5)2O tetrahydrofuran =

    asked by Luc on March 1, 2010
  43. PLEASE

    ANYONE PLEASE REPLY MY OTHER POST (SCIENCE 7R: LAB QUESTIONS) IS MY ANSWER IS CORRECT ON #13????? PLEASE!!!!!!!!!!!!!!!!!!!!! PLEASE!!!!!!!! - Laruen , Thursday, December 1, 2011 at 6:33pm Chloroplast are used for food making (photosynthesis). That is only

    asked by Laruen on December 1, 2011
  44. physics

    Stephanie serves a volleyball from a height of 0.76 m and gives it an initial velocity of +7.2m/s straight up.How high will the volleyball go? The acceleration of gravity is 9.81 m/s2. Answer in units of m. 2) How long will it take the ball to reach its

    asked by wow on November 12, 2010
  45. Physics: true or false

    Doubling the amplitude of a wave will double the amount of energy the wave can transfer. A. True B. False

    asked by sophie on April 4, 2009
  46. math

    please help to get the answer for this word problem and it would be my great gratitude and the question below.. Alex has 50 ping pong balls that he bought in sets of 6. How many sets of balls does Alex have?( Hint: express answer as a mixed number)

    asked by dely on February 13, 2011
  47. Chemistry

    Balancing Equations for Reactions Occurring in Basic Solutions: I have the answer for it and I've gone and redone it twice and I can't match the answer...I was just seeing if anyone could show the steps so that I could see where I messed up...

    asked by Bri on October 27, 2008
  48. quick social studies question

    Can you check my answer? Question: Where did Vasco de Gama go? What motivated him? When did this happen. My answer: Vasco de Gama arrived in Calicut, India on May 20,1498. What motivated him was he tried to find a sea route to East Indies.

    asked by Carrie on September 15, 2009
  49. Math

    Could someone answer this question so I understand it. Thanks Given the supply function p = S(x)=5(e^0.02x - 1) find the average price(in dollars) over the supply interval [31,36] only the 0.02x is ^ on the e give the answer as an integer or decimal

    asked by Jules on April 27, 2011
  50. Math, Algebra, Graphing Systems of Linear Equation

    I'm confused about graphing or solving the linear equations for slope/intercept. Here is what I solved: 3x+2y=-6 X-4y=-16 2y= -3x-6 -4y=1x-16 Y=-3/2+3 Y=+1/4+4 ------------- My answer for graphing the systems for the lines to intersect...well, they didn't

    asked by Anonymous on April 27, 2017
  51. 6th grade math

    We are learning probability and can you please check my answer. Question: Enrique has 3 dimes, 2 quarters, and 5 nickels in his pocket. He takes one coin from his pocket at random. What is the probability that the coin is either a dime or a nickel? My

    asked by Kathy on March 22, 2009
  52. Math

    Suppose k is a continuous function so that k(-2)=3 and k'(-2)= -4 . a. Use the given information to approximate the value of k(-1.4). b. If k''(x)

    asked by Sarah on April 12, 2017
  53. BMB

    1.You have a mixture of protein A and protein B in a buffer of pH 7. The pI of protein A is 3 and the pI of protein B is 8. The molecular weight is the same. (a) What kind of column chromatograph would you use to separate them? Explain your answer in 2-3

    asked by jess on November 4, 2008
  54. Physics

    A block with a mass of 0.357 kg is attached to a spring of spring constant 599 N/m. It is sitting at equilibrium. You then pull the block down 4.80 cm from equilibrium and let go. What is the amplitude of the oscillation? I know A=D/F... I keep getting the

    asked by Em on April 5, 2016
  55. Math

    Evaluate the integral of (e^2x)*sin^3 x dx I let u = e^2x, du = (1/2)e^2x dx v= (-1/3)cos^3 x , dv =sin^3 x dx When I used integration by parts and solved it all out I got: (37/36)intgral of (e^2x)*sin^3 x dx = (-1/3)(e^2x)*cos^3 x + (1/18)(e^2x)*sin^3 x

    asked by Dave on September 29, 2017
  56. Geometry

    An ant starts at a foot of a staircase and crawls to the base of the fourth step. If each step is 8 inches tall and 10 inches wide, how far is the ant from where it began? The answer is 6(square root of 41) or 38.4. I have no clue in how to get to that

    asked by Zunie on April 16, 2015
  57. chemistry

    A sample of CH2F2 with a mass of 19g contains _________ atoms of F CH2F2= 52.03 x = grams of F x/19 = 38/52.03 x= 13.88 grams 13.88/38 = 0.365 moles 0.365*6.02x10^23 = 2.2x10^23 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ But it tells me that that answer is

    asked by O'Neal on August 29, 2008
  58. math

    simplify each expression. write your answer with positive exponents assume that all variables represent positive real numbers.find the decimal value of each expression round approximate answer to four decimal places (a^^1/2b)^1/2(ab^1/2)

    asked by Anonymous on March 11, 2013
  59. Math

    Meg concludes that students spend a mean of 7 hours in school each day. Tara thinks the mean is 6 hours. Who is correct—Meg or Tara? Explain your answer in two or three sentences. Make sure to use facts to support your answer

    asked by Anonymous on April 25, 2016
  60. algerba

    Quantity name Water adds Final acidity of water Unit Gallons Percent expressed as a decimal Expression g (0.052*310)/(310+g) Question 1 59.4 (I need this answer) Question 2 (I need this answer) 0.041 I need help

    asked by beckylynn on May 18, 2014
  61. Algebra

    I have this math probelm z-(3z)/(2-z)=(6)/(z-2) in my book it says to solve the equation. I have worked this problem many times and I keep comming up with different answers. When I use an online calculator to check my work it is giving me an answer of z=-3

    asked by Jessica on August 11, 2010
  62. math

    mallory emailed a funny cartoon to Ann. she told ann to send it to five friends with instructions for each of them to send it to five other friends. after four cycles of emailing,how many cartoons will have been sent? the answer is 156 but i don't know how

    asked by lisa on January 29, 2012
  63. Math, Algebra, Graphing Systems of Linear Equation

    I'm confused about graphing or solving the linear equations for slope/intercept. Here is what I solved: 3x+2y=-6 X-4y=-16 2y= -3x-6 -4y=1x-16 Y=-3/2+3 Y=+1/4+4 ------------- My answer for graphing the systems for the lines to intersect...well, they didn't

    asked by Anonymous on April 27, 2017
  64. Math

    Assume k is a constant. the function g(x)= x4- 6k(x2) + 6k2 + x has at least one point of inflection a- if and only if k>0 b- if and only if k >= 0 My answer: g'(x) = 4x3 - 12kx + 6k2 g''(x) = 12x2 - 12k = 12(x2 - k) k has to be greater than 0 to make

    asked by Jim on March 6, 2012
  65. Statistics

    I need to know how to find the probability that z0 is greater than or equal to 2.40 using my TI-83+. The answer is .008200, but I don't know how to get that using my calculator. The only reason I know the answer is because it is an example from my

    asked by Chris on December 4, 2012
  66. English

    And what shoulder and what are,/could twist the sinews of thy heart? Which of these is nearest in meaning to the word sinews as it is used in the lines above? A:Bones B:Essence*** C:Longevity D:Location I know sinew has to do with bones...but that answer

    asked by anonymous on February 15, 2018
  67. math URGENT!!!!!!!

    a rectangular sheet of paper is folded in half, with the crease parallel to the shorter edge. it happens that the ratio of longer side to shorter side remains unchanged. what is this ratio? answer this and explain how u got the answer.. PLEASE??!

    asked by dan on November 7, 2012
  68. trig

    Given that SIN Theta = -1/sqrt(10) and theta is in quadrant 4, find sin2theta and cos2theta. I'm not sure how to properly square the -1/sqrt10 and keep an exact answer other than decimal. Otherwise, my final answer is Sin2Theta = -.7255970691 and cos2theta

    asked by Joe on July 13, 2011
  69. Math

    A letter carrier can deliver mail to 112 homes per hour by walking and 168 homes per hour by driving. By what percent is productivity increased by driving? Answer: 56% Is my answer correct?

    asked by Ann on May 13, 2013
  70. Math Homework

    In a lottery game, a player picks six numbers from 1 to 48. If 4 of those 6 numbers match those drawn, the player wins third prize. What is the probability of winning this prize? (Give your answer as a fraction.) My Answer : 1/12972

    asked by Cathy Wilson on December 17, 2016
  71. statistics

    A person scores 140 on an intelligence test with mean 100, a standard deviation of 15, and a reliability of 0.6. We can be 95% certain that this person's TRUE intelligence is between ____ and ____. Pick the answer that is closest to the correct answer

    asked by chinwe on December 12, 2011
  72. science

    The chemical formula for copper sulfate pentahydrate is CuS4°H2O. Based on your observations, what do you think happens to this formula when the crystals are heated? In assuming that the answer has something to do with the h2o because when it's heated it

    asked by alyssa on October 2, 2014
  73. Science

    Ms.Sue would you mind checking my answer? Question~ What make sit possible for plants to complete photosynthesis? _________________________________________ My Answer~ For plants to complete photosynthesis they need water,carbon dioxide and light.

    asked by Anonymous on January 11, 2014
  74. physics

    A 50 V battery has an internal resistance r. 1 A 50 V r 55 Ω 66 Ω internal resistance What is the value of r? Answer in units of Ω 009 (part 2 of 2) 10.0 points Determine the magnitude of the current through the 66 Ω resistor in the upper left of the

    asked by Anonymous on February 20, 2013
  75. Physics

    The size of Rutherford's atom is about 0.1 nm. (a) Calculate the speed of an electron that moves around a proton, based on their electrostatic attraction, if they are separated by 0.1 nm. (answer in m/s) (b) Calculate the corresponding de Broglie

    asked by Eduardo on March 13, 2016
  76. MATHS

    Could you please check my answer? Daniel played a cards game in which each loss meant that he had to give the other player half the cards he had left. He lost four times, one after the other, and then had 3 cards left. How many cards did he have when he

    asked by MILDRED on September 8, 2009
  77. Calculus

    Find the consumer surplus at the equilibrium point.(I keep using the formula listed below but get a completely different answer from what the book says. I am a visual person so please show me step by step so I can see where I went wrong. D(x)=(x-6)^2 ; x=3

    asked by Toby on April 26, 2018
  78. ADVANCED AMC8 GEOMETRY QUESTION/MATH

    An equilateral triangle of side 14 centimeters is revolved about an altitude to form a cone. What is the number of cubic centimeters in the volume of the cone? Express your answer to the nearest whole number, without units. I really need help on this. I

    asked by mathemagiacian on August 8, 2013
  79. pre-algebra

    a field 480,000 m^2 is 160 m wide. What length of fencing is needed to enclose it? i thought you would just have to do A=lw 480,000= l(160) l= 3000 but the answer is wrong. the correct answer is in the six thousands. please help

    asked by y912f on May 20, 2009
  80. Math

    Find the consumer surplus at the equilibrium point.(I keep using the formula listed below but get a completely different answer from what the book says. I am a visual person so please show me step by step so I can see where I went wrong. D(x)=(x-6)^2 ; x=3

    asked by Amy on April 26, 2018
  81. geometry

    I tried to do this problem but the answer doesn't jive. Circle C has a radius of 13. Chord AB is 10. Find the distance from the center of the circle to chord AB which is labeled CD. I labeled CD = x. 1/2 of AB = 5. The line segment CB (13) is the same os

    asked by robin on April 24, 2015
  82. Mat 116 Final

    Is it true when the problem says solve x= then it is one number, or fraction. The test does say below where it is looking for an answer will say type integer, or fraction. Then I get myself confused when it says 7x = -56 I figured this is dividing -56 by 7

    asked by Loren on April 11, 2010
  83. chemisty

    12.00 liters of oxygen gas is under a pressure of 20 mm Hg. If the volume of this gas is decreased to 2.00 liters at constant temperature, what will the new pressure be? I believe this is Boyle's law and the answer should be 120 mm Hg, but according the

    asked by Jo on December 4, 2012
  84. PHYSICS

    This is the exact problem from the paper and I got an answer of 4.2 * 10^7 and I was wondering if this was the right answer. What is the height above the earth's surface at which all synchronous satellites (regardless of mass) must be placed in orbit? The

    asked by NIQUEFROMDALLAS on October 26, 2008
  85. Physics

    A 0.60 kg chunk of ice has a temperature of -28.2o C. The pressure is one atmosphere. Heat is added to the chunk until it is completely vaporized and the steam is at a temperature of 114.4o C. How much heat was needed for this transformation? Please i need

    asked by Jake on February 7, 2019
  86. Pre-Algebra

    A jar contains 45 red candies and 60 black candies. Suppose a candy is selected at random. What are the odds against selecting a red candy? 3 to 7 4 to 3 4 to 7 can someone show me how to find the correct answer (Not the answer) but the steps ?!!!

    asked by 20four on April 11, 2019
  87. Chemistry

    A possible set of quantum numbers for the last electron added to complete an atom of potassium in its ground state is a) n=4, l=0, ml=0, ms= -1/2 b) n=3, l=1, ml=0, ms= -1/2 c) n=4, l=1, ml=0, ms= +1/2 d) n=3, l=1, ml=1, ms= +1/2 e) n=4, l=2, ml=1, ms=

    asked by Anon on April 29, 2017
  88. Math

    1. What is the area of a regular octagon with an apothem 16 inches long and a side 19 inches long? Round the answer to the nearest inch. A) 144 in^2 B) 216 in^2 C) 1,216^2 D) 2432 in^2 Is the answer D? That's what I solved it.

    asked by Tim on June 8, 2016
  89. Math Help

    Which of these nonterminating decimals can be converted into a rational number? A. 0.626226222... B. 0.020220222... C. 0.123123123... D. 0.898998999... Is the answer C? I think that C is the answer because, A,B, and D are non-repeating decimals Rational

    asked by Callie on November 5, 2014
  90. ADVANCED AMC8 GEOMETRY QUESTION/MATH

    An equilateral triangle of side 14 centimeters is revolved about an altitude to form a cone. What is the number of cubic centimeters in the volume of the cone? Express your answer to the nearest whole number, without units. I just want the answer. Thanks!

    asked by mathemagiacian on August 9, 2013
  91. Physical Science

    Hello, Can some one tell me if I came to the correct answer... Thank You For coal- 0.314 How much heat energy is required to raise the temperature of 5 kilograms of coal from 20 degrees celsius to 220 degrees celcius? my answer: 1,314,718 J

    asked by Mandi on February 8, 2008
  92. chemistry

    12.00 liters of oxygen gas is under a pressure of 20 mm Hg. If the volume of this gas is decreased to 2.00 liters at constant temperature, what will the new pressure be? I believe this is Boyle's law and the answer should be 120 mm Hg, but according the

    asked by Jo on December 4, 2012
  93. Math

    A rectangular prism has a width of 92 ft and a volume of 240 ft^3. Find the volume of a similar prism with a width of 23 ft. Round to the nearest tenth, it necessary. I know the answer is 3.8 feet because I got it wrong. But why is that the answer. If you

    asked by Anonymous on February 19, 2015
  94. Pre-Calculus

    Hi! I have three questions that I need checked over just to make sure I understand it. Thanks! :) 1.) What is the slope of the line that passes through (5, 8) and (-2, 6)? My answer: -2/7 2.) If Segment AB || Segment CD and the slope of Segment AB = 1/2,

    asked by Abby on September 13, 2014
  95. Language Check 2 Ms.Sue

    Correct capitalization, punctuation, and spelling. 1. We keep a variety of emergency equipment in the trunk of our car, a first-aid kit, jumper cables, a blanket, a flashlight, and road flares. A. car a first-aid B. car: a first-aid C. car; a first-aid D.

    asked by Sarah on May 7, 2014
  96. Physics

    A pipe that is open at both ends has a fundamental frequency of 330 Hz when the speed of sound in air is 333 m/s. What is the length of this pipe? Answer in units of cm. What is the second harmonic? What is the third harmonic? Answer in units of Hz. What

    asked by AJ on October 1, 2012
  97. General Chemistry I

    A sample of a compound containing only Br and O reacts with an excess of H2 to give 6.601 g of HBr and 3.919 g of H2O. What is the empirical formula of this compound? a. BrO b. BrO2 c. Br2O d. BrO3 e. None of the above I already know the answer is (e), but

    asked by Emily on December 3, 2012
  98. Biology

    You are given the following protein sequence: NH2-Met-Trp-Trp-Met-Trp-Met-COOH What was the sequence of the mRNA? You must write your answer 5' to 3' direction, starting with the first nucleotide of the mRNA and ending with the last nucleotide of the mRNA.

    asked by Dean on November 2, 2010
  99. Technology

    Can you pleas check my answers? 1. Which of the following is a list of input devices? A. printer, mouse, speakers (answer) B. RAM, monitor, printer C. microphone, mouse, scanner D. CPU, monitor operation system 2. Which type of software coordinates the

    asked by O~o on January 11, 2019
  100. Physics

    A fire hose 3.8 cm in diameter is capable of spraying water at a velocity of 20 m/s. For a continuous horizontal flow of water, what horizontal force should a fireman exert on the hose to keep it stationary? I know the answer is 454 N but how does one

    asked by James on June 11, 2012

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