1. chemistry

    A Work-Study student was hired to check and test some new CHEM 2020 experiments. One task was to check the reproducibility of the polarimeter. She was asked to repeat the resolution experiment by exactly the same procedure three times in order to estimate

    asked by lisa on November 26, 2009
  2. social studies

    Hello, I have to do a second essay and I need to find some good websites on where the hawaiians immigrated from and then what type of work did they do back then. Thanks, Since this is not my area of expertise, I searched Google under "Hawaiian immigration

    asked by clark on June 30, 2006
  3. Literacy 4

    Please check my work. Thank you. 1. Government documents in a library are classified according to which of the following schemes? A. Superintendent of Documents B. Government Printing Office C. Dewe Decimal D. Library Of Congress Answer #1 is A 2. You're

    asked by Jen on August 26, 2011
  4. math

    To make a scarf, Jenny uses blue yarn and white yarn. The number of yards of blue yarn she uses is 4 times the number of yards of white yarn in each scarf. What are 4 ratios that show the number of yards of white yarn to blue yarn for each scarf? Me and my

    asked by Wafflezzrock on September 1, 2016
  5. programming

    I am in a beginners class in computer programming and we have been designing our programs in pseudocode format and this is a homework question I have to solve this is how the question is written on my paper...can you please help, Thanks. Homework question:

    asked by Jason on July 10, 2010
  6. programming

    I am in a beginners class in computer programming and we have been designing our programs in pseudocode format and this is a homework question I have to solve this is how the question is written on my paper...can you please help, Thanks. Homework question:

    asked by Jason on July 10, 2010
  7. Algebra

    1.Solve /x-1/5/=3 A.x=-14/5 or x=16/5 B.x=14/5 or x=-16/5 C.x=-14/5 or x=-16/5 D.x=14/5 or x=16/5 2.The table shows the relationship between two variables. Which selection describes the relationship? X=1, 2, 3, 4 Y=2, -3, -8, -13 A.increasing; linear

    asked by GummyBears on December 15, 2015
  8. programming

    I am in a beginners class in computer programming and we have been designing our programs in pseudocode format and this is a homework question I have to solve this is how the question is written on my paper...can you please help, Thanks. Homework question:

    asked by Jason on July 10, 2010
  9. chemistry

    Which factors below affect the rate of a chemical reaction? -Collision frequency -Number of collisions having the least activation energy -Intermolecular orientation -Being Exothermic or Endothermic Also, what formula would I use for this problem: "What is

    asked by anonymous on April 29, 2007
  10. Physics quick help please

    6. If 4.0 × 1018 J of work done on a point charge changes its electric potential difference by 25.0 V, then what is the magnitude of the charge? (Points : 1) 1.6 × 101^9 C 4.0 × 101^9 C 1.6 × 101^8 C 4.0 × 101^8 C 7. Two parallel plates have an

    asked by Jacob on May 1, 2014
  11. science

    A boy is riding a skateboard. Why does the skateboard have the ability to do work? A. because it can slow down B. because it can change direction C. because the force applied by the rider acts in the same direction as the motion of the skateboard D.

    asked by Anonymous on May 1, 2013
  12. science

    A boy is riding a skateboard. Why does the skateboard have the ability to do work? because it can slow down because the force applied by the rider acts in the opposite direction as the motion of the skateboard because it can change direction because the

    asked by Nour on July 26, 2015
  13. Calculus Help Please!!!

    When blood flows along a blood vessel, the flux F (the volume of blood per unit time that flows past a given point) is proportional to the fourth power of the radius R of the blood vessel: F = kR4 (This is known as Poiseuille's Law.) A partially clogged

    asked by Isik on April 2, 2014
  14. math

    Robert is replacing sod in two square-shaped areas of his backyard. One side of the first area is 7.5 feet. One side of the other area is 5.7 feet. The sod costs 'y' dollars per square foot. A)Write an expression to show how much Robert will spend on sod.

    asked by Sam on March 10, 2015
  15. Math Prob/solving

    As Frank drives to work he has to pass through three lights. The probability that any light is green is 39%. Estimate the probability that exactly two lights will be green. Use the following list of digits which was taken from a table of random numbers. In

    asked by Lisa on May 27, 2010
  16. CALCULUS problem

    There are four parts to this one question, and would really appreciate if you could show and explain how you get to the answer, because I tried looking up how to find the answer myself, but nothing made sense. Thank you! 11. The region R is bounded by the

    asked by Samantha on March 27, 2014
  17. childcare

    1. In preparing a budget for a day care center, you must plan for taxes. As an employer, you must pay part of each employee’s _______ tax. A. Social Security C. state income B. federal income D. local 2. You’re trying to plan an activity for your third

    asked by Dion on July 30, 2010
  18. As chemistry

    A SAMPLE OF ANTIMONY, Ar=121.8, WAS ANALYSED AND WAS FOUND TO CONSIST OF 60% OF 121Sb AND ONE OTHER ISOTOPE. DETERMINE THE MASS NUMBER OF THE OTHER ISOTOPE IN THE SAMPLE OF ANTIMONY. please help I'm really stuck, Chemistry - bobpursley Saturday, September

    asked by 0oooooooo0 on March 1, 2018
  19. History Check

    1.)The Constitution created a _____ system of government. a)parliamentary b)unitary =c)federal d)confederate 2.)The argument over slavery pitted _____ States against _____ States. =a)Northern, Southern b)larger, smaller c)new, old d)red, blue 3.)_____

    asked by Unknown on June 25, 2010
  20. math,help

    what formula do i have to use for this problems. Problem #4 John Lee saving account has a balance of $2449.After 7years what will be the amount of interest be at 8% compounded semiannually? Problem #5 Southewest Dry cleaners believes that it will need new

    asked by student on June 29, 2007
  21. ELA

    Which of the following passages from the text best illustrates Phillip’s change in attitude toward Timothy?. A. I had to remind him again, stupid old man, that I couldn't see... B. They had their place and we had ours. C. Timothy, I'm blind. I can't see

    asked by SDC on December 11, 2017
  22. marketing

    I am struggling with how to outline this paper....a little guidance please. It is only 2-3 pages, so not too long. Create an online focus group study using the framework you prepared in your first Research project on the company that your are interested OR

    asked by chelsea on November 18, 2012
  23. Math -word problem

    The lowest recorded temperature in Sweden is -38 degrees and the lowest recorded temperature in Russia is -68 degrees. How much higher is the low temperature in Sweden than the low temperature in Russia. -68 + -38 = -106 degrees. Did I solve this right?

    asked by Stephen on March 2, 2007
  24. MATH

    on a tv game show,you try to win a prize that is hidden behind one of the three doors.after you choose a door, but before it is open,the host opens one of the other doors,behind which there is no prize.you can then switch the remaining closed door or stay

    asked by Katherine on April 21, 2010
  25. Psychology

    Eladio is a Mexican American boy who lives in a middle-class neighborhood with his family. Both his parents work outside the home. He has cousins who live in the inner city and whose household income is significantly lower. Based on this information, which

    asked by Carmela on February 26, 2014
  26. algerbra 2

    How do I solve this: The absolute value of ax+b is less than or equal to c for the terms of x in terms of a, b, and c where a>0 and c>0 -Then they ask: The absolute value of ax+b is more than or equal to c for the terms of x in terms of a, b, and c where

    asked by shino on September 24, 2008
  27. Maths

    Log base2(x+2)+log base4(y+10)=2 Log base4(x+2)+log base2(y+10)=5/2 Solve simultaneously

    asked by Rhonick on May 8, 2018
  28. algerbra 2 please! this is part of a major grade!!

    How do I solve this: The absolute value of ax+b is less than or equal to c for the terms of x in terms of a, b, and c where a>0 and c>0 -Then they ask: The absolute value of ax+b is more than or equal to c for the terms of x in terms of a, b, and c where

    asked by arya on September 24, 2008
  29. Math

    solve; divide; then reduce to lowest terms 1 4/7 / 4/10 and divide; then reduce to lowest terms 14/3 / 2 5/7

    asked by Susan on April 14, 2012
  30. algerbra

    How do I solve this: The absolute value of ax+b is less than or equal to c for the terms of x in terms of a, b, and c where a>0 and c>0 -Then they ask: The absolute value of ax+b is more than or equal to c for the terms of x in terms of a, b, and c where

    asked by shino on September 24, 2008
  31. Philosophy Intro to Logic

    I have to write an argument in standard form before writing an essay on it. I'm using an article written by Jenny Price on news.wisc titled "Facebook profiles raise users' self-esteem and affect behavior" And here's what I have for the standard form, I

    asked by Nicole on October 26, 2014
  32. Business Accounting

    why does the bank tell you they are "crediting" your account when they increase it and "debiting" your account when they decrease it? I know this is a simple question but I just want to make sure I am currect with my answer before I post it to my class

    asked by Anonymous on May 13, 2009
  33. physic

    A spring has stiffness of 100Nmm, the initial compression of the spring is 15mm, and it is then compressed to 65mm. •1Nmm = 0.001Nm •100Nmm = 100 X 0.001 = 0.1Nm •Comp.1 = 15 mm = 0.015m •Comp.2 = 65 mm = 0.065m a) i-Find potential energy at 15mm.

    asked by daniel on April 2, 2009
  34. Finance

    Meredith is stuck in the airport on a long layover while traveling for work. She sees two Wi-Fi’s she can log onto: one says Airport Wi-Fi and the other says Free Airport Wi-Fi. She needs to sign on and pay some bills. Which Wi-Fi option should she

    asked by Jamye on November 17, 2017
  35. business law

    A lot has been said concerning right to work laws. What is the current status of such laws? 1 The congress forbade this law 2 if state passes it, then employees must join a union 3 if state passes it, then employees don't have to join a union 4 if state

    asked by nikita on April 12, 2008
  36. Algebra

    I needed help with these problems: 1.Charles wants to dig a rectangular flower bed which is twice as long as it is wide. Let x be the number in feet in width. If you are given a width for the rectangle, would you evaluate the expression or write an

    asked by Jillian on August 21, 2008
  37. PHYSICS

    A 20N crate starting at rest slides down a rough 5.0m ramp, inclined at 25 degress with the horizontal. 20j of energy is lost due to friction. what will be the speed of the crate at the bottom of the incline? i need some help these one i don't know where

    asked by magic 8 ball on October 24, 2007
  38. science

    In an experiment to determine the solubility of lead chloride (PbCl2), 5.6g of (NH4)2SO4 was added to a 250ml solution containing an unknown amount of dissolved lead chloride (PbCl2) resulting in the formation of Lead sulfate precipitate. The mass of the

    asked by nelo on July 27, 2014
  39. physics

    A 650 kg weather balloon is designed to lift a 4600 kg package. What volume should the balloon have after being inflated with helium at 0 degrees celcius and 1 atm pressure to lift the total load? The buoyancy force must equal the weight lifted. Let V be

    asked by Anonymous on May 9, 2007
  40. AP Chemistry

    Zinc reacts with 387 mL of 4.00 M cold, aque- ous sulfuric acid through single replacement. a. How much zinc sulfate is produced? Answer in units of g b. How many liters of hydrogen gas would be released at STP? Answer in units of L -- I have solved part

    asked by Anonymous on October 13, 2013
  41. college

    The CIO of ABC Health Care wants you to develop an organizational chart for the HIM Department. The chart should portray the groups under each unit and any other staff that work within the various departments. Use the ABC Health Care HIM organizational

    asked by Debra on November 15, 2010
  42. English

    1. Talk with your partner using frequency adverbs. You should think of your favorite sport and work in pairs, and practice the dialogue. There are some blanks in the senences, so you should fill them out remembering the dialogue we practiced before. Are

    asked by rfvv on March 17, 2010
  43. statistic

    The amount of time a bank teller spends with each customer has a population mean of 3.10 minutes and standard deviation of 0.40 minute. If a random sample of 16 customers is selected, a) what assumption must be made in order to solve parts (b) and (c)? b)

    asked by Nancy on April 7, 2012
  44. business

    health reocrds specialist rhonda kingsley is a creative sort who is a social gadfly with a preference for multi-tasking. her superior should be most concerned about rhonda's: a. wearing earphones and listening to music while working b. refusing to carry on

    asked by shay on February 15, 2010
  45. 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 on February 25, 2007
  46. Micro Econ

    Historically, officials from 15 NE colleges with selective admissions policies and high tuition met each spring to compare financial aid packages for more than 10,000 common applicants. These meetings were designed to eliminate any differences in the

    asked by Marilyn on July 16, 2009
  47. Micro Econ

    Historically, officials from 15 NE colleges with selective admissions policies and high tuition met each spring to compare financial aid packages for more than 10,000 common applicants. These meetings were designed to eliminate any differences in the

    asked by Marilyn on July 15, 2009
  48. marketing

    a 1,400- to 1,750-word paper in which you describe the elements of the marketing mix (product, place, price, and promotion). Use at least 3 academic sources (non-academic sources or text materials will not be counted) to support your work. In addition,

    asked by nat on March 5, 2012
  49. Intermediate Macro Economics

    To complete the analysis, Chuck wants to know more about the revenue that he can generate from his farm. The price of corn, p(y), depends on how much Chuck produces. The price function is speci ed as p(y) = 3 0:05y c. The revenue that Chuck can generate

    asked by Stacie on January 30, 2013
  50. History

    Prove that one Jew was gassed by Nazi Germany. For any gassing, use a Nazi document to show each of the followng: the location of the gassing, the duration of the gassing, the date of the gassing, the hour of the gassing, the preparations for the gassing,

    asked by Bradley on August 8, 2010
  51. Socal Studies

    Okay so now listen I was doing the practice and I found this guys who said he will help with my work but then he gave me the wrong answer and now I have a 33% social studies and an overall grade of 67% now im doing the test and I NEED help please Look at

    asked by Hank Hill on November 11, 2018
  52. principles of economic

    Let’s say a newspaper, BeritaHarian (printed in Selangor) costs RM0.50 in 1980 and RM1.20 in 2006. The average wage rate in printing industry in Selangor was RM3.23 per hour in 1980 and RM14.32 in 2006. a. By what percentage did the price of a newspaper

    asked by suhanarazmi on December 17, 2014
  53. math

    Home work help plz a)what would be the cost of the activity in the first week b)what would be the cost of the activity each subsequent week Mrs ogden has heard about aqua aerobics from her sister in law. she wants to join her sister in law and her friends

    asked by jessica on November 27, 2012
  54. Romeo and Juliet

    In Act III, Scene 5 of Romeo and Juliet, Lady Capulet, who thinks Juliet is lamenting the death of Tybalt, tells her, "Therefore have done. Some grief shows much love;/But much grief shows still some want of wit." What is the best paraphrase of this

    asked by Kaai97 on April 15, 2016
  55. physics

    A 13.2 kg crate is pulled by a 157 N force (parallel to the incline) up a rough incline. Assume that the incline makes an angle of 34.0° with the horizontal and that the coefficient of kinetic friction is 0.434. The crate has an initial speed of 1.53 m/s.

    asked by Misaki on October 22, 2014
  56. Algebra

    2 people are going to cover their roof with cedar shingles. Their roof has an area of 2,025 square feet. The shingles they want to use come in bundles of 100 square feetand are only sold in full bundles. Each bundle costs $171.95. They will need to hire a

    asked by Alejandro on May 7, 2012
  57. optimal dimensions

    Applications of derivatives You are planning to make an open rectangular box from an 8 by 15 inch piece of cardboard by cutting congruent squares from the corners and folding up the sides. what are the dimensions of the box of largest volume you can make

    asked by Jen on November 18, 2006
  58. math

    A car was purchased for $3,495 and will depreciate 20% of the original price each year. Find a linear function for the value of the car at time t in years. Define variables clearly. Graph the function you found in part A. A claim is made that the car will

    asked by arik on November 2, 2016
  59. physics-angular speed

    If the coefficient of friction is 0.41 and the cylinder has a radius of 2.5 m, what is the minimum angular speed of the cylinder so that the people don't fall out? (Normally the operator runs it considerably faster as a safety measure.) I am not seeing the

    asked by Anonymous on October 16, 2006
  60. Science

    A drop of oil (volume 0.05cm3) is released from a medicine dropper on to the calm surface of a pond where it spreads out to cover an area of "40cm2". Assume that the oil film has a uniform thickness equal to the diameter of a oil molecule. Calculate the

    asked by Grant on March 6, 2007
  61. Physics

    A coin is dropped from rest into a well with water 45.0m below the hand that drops the coin. A) How much time passes between the release of the coin and its contact with the water? B)How fast will the coin be going when it lands in the pool? C)How long

    asked by Bob on June 28, 2007
  62. Solution Preparation

    I need help with Writing a Report Purpose: Preparing 0.2 M 250 ml NaOH solution? Equipments and Materials: Equipments: -Balance -Beaker(250ml) -Graduated cylinder Materials: -Pure water -NaOH Procedure: 1)Calculate the required amount of NaOH in gr.

    asked by Rustam on March 2, 2012
  63. math

    It was noticed that some cars have license plates with 3 letters followed by three numbers while other license plates have 3 numbers followed by 3 numbers if neither letters nor numbers can repeat what is the probability of getting the letter A in the

    asked by eric on January 18, 2010
  64. algebraic reasoning

    the relationship b/w the distance d, in feet, required to stop a vehicle and s, the speed in miles per hour that the vehicle was traveling, is given by the equation d=0.0155s(squared)/f f represents the coefficient of friction b/w the tires and the road

    asked by megan on February 23, 2008
  65. Algebra 1

    little help? 1)The function g(t) = 2t represents the number of guitar lessons, g(t), you can complete in t months. How many guitar lessons can you complete in 7 months? 2)A taco stand sells tacos for $3.25 each. The stand’s expenses for the day are $210.

    asked by Hally on January 2, 2013
  66. chemistry

    hey drbob222, where did u get 500ml from? question is: 1.00 mL of a 0.0500 M sucrose solution is transferred to a 100 mL volumetric flask, and the flask brought up to volume. 5.00 mL are taken from the 100 mL volumetric flask and transferred to a 0.500 L

    asked by selina on October 14, 2011
  67. ACCOUNTING

    Mills Company uses standard costing for direct materials and direct labor. Management would like to use standard costing for variable and fixed overhead. The following monthly cost functions were developed for manufacturing overhead items: Overhead Item

    asked by DAVID on December 1, 2012
  68. MATH

    Solve each questions by age equation problem: 1. Jonathan is 3 years older than Alvin. In 7 years, Alvin's age will be 6/7 of Jonathan's age. How old are they now? 2. The present age of Ella's mother is three times that of Ella. After 5 years. Sum of their

    asked by Camz on March 2, 2016
  69. Accounting Concepts

    To close the accounting cycle for Joe Smith's business, complete the following: Journalize and post the adjusting entries for Joe's business. Make the following adjusting entries: (Note: you may need to create additional ledger accounts) Adjustment for

    asked by Brenda on August 8, 2009
  70. 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 on February 25, 2007
  71. physics-nuclear reactors

    a) Let's assume a nuclear reactor was a completely isolated system, such that no matter particles can escape from it and the only thing that can get out is energy in the form of heat and radiation. If we weigh the whole reactor before switching it on, and

    asked by anonymous on May 8, 2011
  72. English

    What can we do to make turtles live in the sea again(Because of water pollution, turtles want to leave.)? 1. We can clean up the sea. 2. We can pick up the garbage in the sea. 3. We must not throw garbage into the sea anymore. 4. Factories must not throw

    asked by John on July 10, 2009
  73. This needs tobe turned in in 10min AT MOST URGENT!

    1. x over 5= –2 (1 point) –45 35 –10 21 2. 13x – 7 = 136 (1 point) 11 15 8 9 3. Solve the following equation: 3x – 3 = 15 (1 point) 4 5 6 7 4. Ernesto loses 14.5 pounds in 7 months. Now he weighs 156.5 pounds. Which equation can be used to find

    asked by Gabby on December 21, 2012
  74. math!

    determine two geometreic sequences whose first terms are 18x-9, 2x+8 and x-1 how would I go about and do this question? I have no idea! so a little help would be really helpful! thanks! A geometric sequence looks like a, ar, ar2, ar3, ..., arn, ... where a

    asked by Anonymous on October 18, 2006
  75. physics

    A cat walks along a uniform plank that is 4.00 m long and has a mass of 7.00 kg. The plank is supported by two sawhorses, one 0.44 m from the left end of the board and the other 1.60 m from its right end. When the cat nears the right end, the plank just

    asked by Johnathan on January 21, 2015
  76. Calculus 2

    Suppose that a spring has a natural length of 25 ​cm, and that 8 J of work is needed to stretch from a length of 50 cm to 80 cm. How far beyond its natural length will a force of 32 N keep the spring​ stretched? **I've tried calculating the spring

    asked by David on April 25, 2016
  77. math

    Four students work to find an estimate for square root 54. Who is closest to finding the true estimate? (1 point) Rhonda: "Use square root 16 and square root 25 to estimate." Ricardo: "I use square root 25 and square root 36." Riley: "It should be between

    asked by lily on November 2, 2016
  78. Math

    Four students work to find an estimate for square root 27. Who is closest to finding the true estimate? (1 point) Chelsey: "Use square root 16 and square root 25 to estimate." Carley: "I use square root 25 and square root 36." Jamie: "It should be between

    asked by Philisnotonfire on November 4, 2016
  79. Chemistry

    Zn + PbCl2 --> ZnCl2 + Pb The initial mass of a zinc strip is 2.684. After being left overnight in a lead (II) chloride solution, the mass of zinc is 2.581g. Calculate the Ksp of lead (II) chloride. So far I have: PbCl2 --> Pb(aq)2+ + 2Cl(aq)- Ksp =

    asked by Raj on May 23, 2007
  80. chemistry

    A freezing point depression experiment was conducted using cyclohexane as the solvent. The freezing point of pure cyclohexane is 6.60°C and the freezing point depression constant is 20.00°C/m. The freezing point of a solution containing 0.135 g of an

    asked by Danielle on February 16, 2015
  81. Chemistry

    Another student determined the concentration of a vinegar solution to be 0.240 mol/L. If the accepted value for the concentration of the vinegar is 0.250 mol/L, the student's percentage erreo is A. 1.00% B. 1.24% C. 2.40 % D. 4.00% D. because the

    asked by Brittany Rusk on September 21, 2006
  82. Chemistry

    A tetrahedral site in a close-packed lattice is formed by four spheres at the corners of a regular tetrahedron. This is equivalent to placing the spheres at alternate corners of a cube. In such a close-packed arrangement the spheres are in contact and if

    asked by Mike on February 6, 2015
  83. math

    You are on a jury in a murder trial. After a few days of testimony, your probability for the defendant being guilty is .80. Then, at the end of the trial, the prosecution presents a new piece of evidence, just rushed in from the lab. The defendent’s

    asked by eniko on November 27, 2006
  84. Chemistry

    A tetrahedral site in a close-packed lattice is formed by four spheres at the corners of a regular tetrahedron. This is equivalent to placing the spheres at alternate corners of a cube. In such a close-packed arrangement the spheres are in contact and if

    asked by Mike on February 6, 2015
  85. math

    Using this formula: V=LWH Find the volume(v)of a toy box with length (L) if 4ft, width(W)of 24in.,and height(H)of 30in. My answer:Wouldn't it be the following; V=(4)(24)(30) V=2888 Please let me know if I am correct. I believe that the formula is V=L*W*H

    asked by Jasmine07202006 on October 19, 2006
  86. math

    If Owen gives $40 to Charley, the will have an equal amount of money. If Charley gives $80 to Owen, the ratio of Owen's money to Charley's money will be 4-1.How much money does Owen have in the beginning? Work: I don't have much but X=Owen C=charley X=C-40

    asked by James on February 26, 2015
  87. Biology

    6) A nurse is evaluating discharge instructions for a client following a right cataract extraction. Which of the following client statements indicates the teaching is effective? A. I will take a stool softener until my eye is healed. B. I will expect to

    asked by Nina on April 11, 2019
  88. Science

    6) A nurse is evaluating discharge instructions for a client following a right cataract extraction. Which of the following client statements indicates the teaching is effective? A. I will take a stool softener until my eye is healed. B. I will expect to

    asked by Charwan on April 10, 2019
  89. alegebra

    1. What is the factored form of 4x 2 + 12x + 5? (1 point) (2x + 4)(2x + 3) (4x + 5)(x + 1) (2x + 1)(2x + 5) (4x + 1)(x + 5) 2. What is the factored form of 2x 2 + x – 3? (1 point) (2x + 3)(x – 1) (2x + 1)(x – 3) (2x – 3)(x + 1) (2x – 1)(x + 3) 3.

    asked by fluffy on February 4, 2014
  90. maths

    coin a is weighed so that the probability of throwing head is 2/3. coin b is weighed so that the probability of throwing a head is 1/4. coin a is thrown twice and coin b is thrown once. (I)show that the probability of obtaining exactly 1 head and 2 tails

    asked by asha on April 18, 2015
  91. College psych - research class

    Hi all. I have a question about creating graphs and other data tables using Excel spreadsheets et al. It's actually for a specific kind of project where I'm trying to work on taking a theoretical sample of subjects and and I'm torn trying to figure out how

    asked by John on May 2, 2010
  92. History

    Who is Malala Yousafzai similiar to? I said Martin Luther King Jr, or Maya Angelou What are their goals? Malala:To provide 12 years of free, quality education to every child on the planet. She wanted to reach all those people who live in poverty, those

    asked by Sarah on April 4, 2018
  93. Statistics

    `The average grade point average (GPA) of undergraduate students in New York is normally distributed with a population mean of 2.5 and a population standard deviation of 0.4. Compute the following, showing all work: 1) The percentage of students with GPA's

    asked by Charlene on October 7, 2014
  94. Chemistry

    Joseph Priestly discovered oxygen when he heated a red powder. This red powder had been prepared by heating mercury in air. a) name th red powder formed when this element is heated in air b) write a word equation to show what happens to this red powder

    asked by Jessica on December 3, 2006
  95. Algebra 2

    The income from the school car wash is one, five, and ten dollar bills came to a total of $355. If there are 120 bills all together, and twice as many one dollar bills as five and ten dollar bills combined, how many bills of each denomination are there?

    asked by Nicole on November 17, 2015
  96. Math, Trig

    The high level bridge, a railway bridge that crosses the Oldman River is over 1km long. From one point on the river, the angle of elevation of the top of the bridge is 62.6 degrees. From a point 20m closer to the bridge, the angle of elevation of the top

    asked by Sonny on October 1, 2012
  97. Math Help 2 Questions Urgent!

    1. The Pythagorean Theorem can be used to find distances between two points on a grid. But what about finding distances in three-dimensional space? Consider a rectangular box, which has length l, width w, and height h. What is the distance from one corner

    asked by Josh on April 30, 2014
  98. physics

    If a lead bullet goes fast enough, it can melt completely when it comes to a halt suddenly, and all it's kinetic energy is converted into heat via friction. Find the minimum speed of a lead bullet (initial temp. = 30.0 C) needed for this to happen. So I

    asked by Daniel on April 15, 2012
  99. Env Science

    Distinguish between high-quality energy and low-quality energy, and give an example of each. Relate these terms to energy efficiency High-quality energy is energy that can be converted to work, with a high conversion efficiency. Two examples are electrical

    asked by Kim on July 9, 2007
  100. trig

    Bob throws a ball straight up with an initial speed of 50 feet per second from a height of 6 feet. (a) Find parametric equations that describe the motion of the ball as a function of time. (Do this on paper. Your instructor may ask you to turn in this

    asked by Anonymous on March 15, 2011

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