1. algebra

    Prove by mathematical induction that x^2n - y^2n has a factor of x+y. My answer is incomplete since i do not know what to do next. here it is: i.) for n=1 x^2(1) - y^2(1) = x^2 - y^2 = (x+y)(x-y) ii.) Assume that the proposition is true for all n=k, that

    asked by Kenneth on August 9, 2015
  2. Physica

    If the length of a wire is doubled and its cross – section area decreased to half ,the resistivity of the wire becomes the same ( put true or false) pleas drwls

    asked by axxxxxxxx on July 16, 2012
  3. science

    Hi. I was wondering if anyone knew any places that are true wilderness, meaning they fit the official definition of wilderness: a roadless area, with roads only built to the edges. Thanks!

    asked by Trudy on October 9, 2007
  4. SCIENCE/CHEM

    Dr Bob Is it true that only TWO molecules of water are required to balance the equation for the reaction of HCL with Calcium Hydroxide.(calcium chloride is the other product....why??? Thanks andy

    asked by Andy on May 13, 2010
  5. english

    1)A verb must agree with its subject in number? im thinking it true..but not too sure... then i need help with capitalization lol... Aunt Consuelo is Consuelo Melendez,Doctor of Dental Surgery. is this right?

    asked by sharon on April 22, 2010
  6. Personal Dimension of Educatio

    Compound subjects those joined with and should take singular verbs. For example: the cd player and moon roof is included in the car's price. True or False. My answer is False.

    asked by Jackie on November 16, 2012
  7. geometry

    All Clemson fans root for the Tigers. Rewrite the above statement to reflect the following conditions and state whether each condition is true or false. If false provide a counterexample:

    asked by mirry on September 27, 2018
  8. science

    okay after the diver jumps foward from the diving board,the force of gravity will accelerate the diver PARALLEL to the direction of motion , is the uppercase true or false?

    asked by jack on March 8, 2010
  9. Resume(English)

    Proofread! make sure there's no spelling, grammar, or typing errors. If employers get a lot of resumes, they will look for any excuse to quickly "pitch" as many of them as possible. True or False? Would it be False?

    asked by Anonymous on January 26, 2011
  10. Health

    Muscular endurance is defined as the greatest amount of force that a muscle group can exert in a single effort. True or False My answer is false

    asked by Faye on August 18, 2014
  11. English

    A collective noun is plural when the group acts as a unit (i.e., "The team lost their fourth game in a row."). A)true B)false i put false

    asked by george on April 5, 2010
  12. math

    If the true population standard deviation was known to be 3.0, then approximately what minimum sample size would you need in a simple random sample if you want a 95% confidence interval for the mean to have a margin of error of .5 or less?

    asked by Marissa on April 15, 2011
  13. Physica

    If the length of a wire is doubled and its cross – section area decreased to half ,the resistivity of the wire becomes the same ( put true or false) pleas drwls

    asked by lllllllll on July 16, 2012
  14. Education

    It is not necessary for teachers and parents to maintain a close relationship for successful inclusive teaching to take place. A) True B) False I believe the answer is false, but wanted a second opinion.

    asked by Lor on April 22, 2013
  15. MircoEcon

    Agree or disagree with this statements and explain: If the demand for a good has unitary elasticity, or elasticity is -1, it is always true that an increase in its price will lead to more revenues for sellers taken as a whole.

    asked by Jeff on September 30, 2013
  16. Physics

    True or False: If a cannon fires a cannonball in an easterly direction, the tendency of the cannon to move to the west is a result of the principle of conservation of energy.

    asked by David on December 14, 2011
  17. finance

    Which of the following statements is true for a stock that sells now for $66.9, pays quarterly dividend of $1.20, and experienced a 25% return on investment over the past year? Its price one year ago was:

    asked by shakti on November 12, 2014
  18. Health Manpower, Education 7 Financing Healthcare

    Should the tuition paid by a medical student be considered the full and final payment on his/her education? Is society owned anything given the true cost is not paid for by students?

    asked by kamla on September 17, 2007
  19. statistics

    if i have k = 36.86 +/- 4.78 and v = 113 +/- 9.92 both using 95% confidence limits and no true values of k or v given am i right in saying that accuracy cannot be determined and that v is a more precise measurement my question was to comment on what can be

    asked by jemmy on January 18, 2010
  20. chemistry

    When titrating a strong acid with a strong base, which is true? 1. the titration curve slopes upward 2. an indicator that changes at pH 8 would be acceptable 3. the pH changes slowly at the equivalence point

    asked by bill on June 12, 2008
  21. geometry and measurement

    A pool designed for lap swimming is rectangular in shape with a uniform depth of 4.5 feet. If the pool is enlarged so that it holds twice as much water, which of the following statements could be true?

    asked by dave on February 6, 2013
  22. Statistics

    Kim wants to determine a 95 percent confidence interval for the true proportion of high school students in the area who attend their home basketball games. How large of a sample must she have to get a margin of error less than 0.03?

    asked by Jae on July 23, 2018
  23. History

    Which of the following is true of the Truman Doctrine? A. It amounted to an informal declaration of Cold War. B. It created the North Atlantic Treaty Organization. C. It established the Marshall Plan. D. It ended the policy of containment. Is it C?

    asked by Abby on June 7, 2012
  24. art

    true or false.Thomas Cole's most famous painting is the Spiral Jetty, which depicts the great looping bend of the Connecticut River as seen from the heights of nearby Mount Holyoke, in Massachusetts.

    asked by Anonymous on June 27, 2013
  25. history

    Which of the following statements about President Andrew Johnson is true? A. He was raised under conditions of extreme poverty B. He was well educated, but he was a poor stump speaker. C. he was impeached and forced from office. D. He defended the planter

    asked by arthur on October 6, 2012
  26. trig

    An airplane pilot wishes to maintain a true course in the direction 250° with a ground speed of 400 mi/hr when the wind is blowing directly north at 60 mi/hr. Approximate the required airspeed and compass heading

    asked by Caroline on April 2, 2013
  27. Finance

    Your friend claims that he invested $5,000 seven years ago and that this investment is worth $38,700 today. For this to be true, what annual rate of return did he have to earn? Assume the interest compounds annually.

    asked by Arielle on October 24, 2012
  28. english

    In the following sentence, the comma is used correctly with an introductory clause: “Training for the upcoming ten-mile marathon, Lizette includes more protein and complex carbohydrates in her diet.” (Points : 1) True False

    asked by Anonymous on December 1, 2010
  29. college

    In the following sentence, the comma is used correctly with an introductory clause: “Training for the upcoming ten-mile marathon, Lizette includes more protein and complex carbohydrates in her diet.” (Points :1) True False

    asked by Anonymous on May 19, 2010
  30. english

    true or false 1.The "bottoms up" proofreading technique involves reading a paper one sentence at a time, from the beginning to the end. 2.Writers who make many mistakes should concentrate finding the worst errors.

    asked by Anonymous on September 30, 2015
  31. History

    Which of the following statements about Herbert Hoover is not true? A. He had been an engineer and businessman. B. He had been the governor of New York. C. He had helped provide food to starving people after WWI. D. He managed a gold mine in the Australian

    asked by Help!!!!!!!!!!!!!! Fast its urgent Please!!!!!!!!! on December 7, 2012
  32. English

    Could you help me reword this please. Furthermore his exaggerated stories may be true for him but their illegitimacy to how a man in a suit can do such an uncivil thing such as ramming a car into a bus that may contain children or anyone in that case

    asked by HM on September 11, 2011
  33. writing

    Is this topic sentence clear enough? Or is it too broad? If so, could I get some guidance, Im lost. This is for a comparaison/contrast paragraph. "To share the same blood type and genetic material does not ensure that two people will be exactly alike, as

    asked by Anonymous on July 19, 2010
  34. Social Studies

    Which of the following statements about President Andrew Johnson is true? A. He was well educated, but he was a poor stump speaker. B. He was impeached and forced from office. C. He was raised under conditions of extreme poverty. D. He defended the planter

    asked by Abby on June 1, 2012
  35. Math

    Amy is charged 12% annual interest compounded monthly on the unpaid balance of a $2000 loan. She did not make any payments for 2 years. Her friend said the amount she owed had more than doubled, is that true? how much does she owe?

    asked by Kai on November 13, 2010
  36. Criminal Justice/Victimology

    Question: Which of the following was NOT true under the "older" rape statutes? A. The husband could not be prosecuted if the accuser was his spouse B. Only males could be offenders C. Only women could be victims. D. Husbands did not gen an automatic

    asked by Pat on June 12, 2015
  37. Math

    In order for a pet to lose weight in a healthy manner, a veterinarian suggested an overweight large-breed dog lost 2 pounds per week. If the expression x-2y represents this situation what must be true about the value of y?

    asked by Lee on August 30, 2018
  38. Sociology

    Which is true about conducting research? a) It is easy and anyone can do it b) The problem you pick is less important than how you study it c) It is a sophisticated art that scientists learn as they gain professional insights and skills d) It is usually

    asked by Tammy on August 27, 2012
  39. Reading Skills

    In American society, romantic love is considered the main reason for people to marry. On the other hand, in some societies, romantic love is considered a form of obsession or madness. In fact, even in many societies where "true love" is not considered a

    asked by Jeff on December 16, 2013
  40. AED 200

    The assignment is: Final project is to write an Educational Debate Persuasive Paper on a current educational debate. I chose "Does Prepping for High-Stakes Tests Interfere with Teaching?" Read the "yes" and "no" opinions in the related chapter in the

    asked by Ashley on April 19, 2009
  41. Chemistry

    This is a limit test for chlorides. 1.0g of NaOH sample was dissolved in 5ml of deionized water, acidified with 4ml of concentrated nitric acid (65%) and diluted to 15ml with deionized water. (Test tube A) 10ml of 50ppm Standard NaCl solution was prepared.

    asked by candy on September 25, 2010
  42. English

    Writeacher, I really need your help to check these sentences!! Too many mistakes. 1) Lady Macbeth compared the Duncan's murder with a painted devil, a picture that scared only children who thought it was real. Correction: Lady compares dead and sleeping

    asked by Henry on March 7, 2012
  43. 6th grade Math

    Shelley compared the number of oak trees to the number of mable trees as a part of a study. She counted 9 mable trees to every 5 oak trees. Later in the year there was bug problem and many trees died. New trees were planted to make sure there was the same

    asked by Harms on November 5, 2015
  44. BIOLOGY

    Please tell me if I am getting them right? PLEASE HELP In a moist area of the woods, you see a mass of small, green plants with tall, thin, non-green projections coming from their centers. These plants are probably A. seed-bearing. B. nonvascular. *** C.

    asked by Sabby on August 10, 2011
  45. statistics

    24. Rosalie Friend (2001), and educational psychologist, compared three methods of teaching writing. Students were randomly assigned to three different experimental conditions involving different methods of writing a summary. At the end of the two days of

    asked by Anonymous on September 3, 2014
  46. statistics

    24. Rosalie Friend (2001), and educational psychologist, compared three methods of teaching writing. Students were randomly assigned to three different experimental conditions involving different methods of writing a summary. At the end of the two days of

    asked by Anonymous on September 3, 2014
  47. type of study design

    Rates of prostate cancer were compared to those exposed to caloric restriction and those that were not exposed to such deprivation. I have a list to select from: Cohort Cross sectional x Case series case control experimental x ecological x Im sure its not

    asked by Sara on March 4, 2010
  48. History

    Please check my answers please. Thank you! 1. The U.S. economy is a free enterprise system. True* False 2. Work you do for pay is called a _____. service industry diverse workforce job* volunteer job 3. When there are many people seeking the same job, this

    asked by Anonymous on September 7, 2016
  49. English

    I urgently need you to revise these sentences, please. 1) The ghost of Hamlet’s father appears in front of him and Horatio because he wants to explain how he was killed and who killed him. 2) The play ends with the deaths of Laertes , the King, Queen

    asked by Henry2 on January 5, 2012
  50. chemistry

    did i answer the question: Explain how one of the major concepts learned in CHM 111 applies to everyday life. One major concept that was learned in CHM 111 that applies to everyday life is stoichiometry. Stoichiometry is founded on the law of conservation

    asked by edward on January 11, 2015
  51. Creative Writing

    i'm so stuck on this assignment. i don't get it at all. : 1. Using the categories you created earlier for ice cream and toppings, write an informal classification/division essay or poem. don't forget to include a theme and maintain a consistent tone for

    asked by y912f on October 27, 2009
  52. Lea408

    can someone please tell me if I am right Like optical scanners, capacitance fingerprint scanners generate an image of the ridges and valleys that make up a fingerprint. But instead of sensing the print using light, the capacitors use electrical current.

    asked by Scott on June 9, 2014
  53. Physics

    Compared to yesterday you did 3 times the work in one third the time. To so so your power output must have been: a) the same as yesterday's power output b)one third of yesterday's power output c)3 times yesterday's power output d)9 times yesterday's power

    asked by Andrea on October 17, 2007
  54. statistics

    A researcher was interested in assessing the effectiveness of the Statistics Diet as compared to a regular low calorie diet on weight loss. In the study, obese participants were randomly assigned to one of two groups: (1) the Statistics Diet, which

    asked by Matt on May 4, 2014
  55. socials

    Did the quebec separatists had a reasonable complaint with federal government and rest of Canada? Would that be true because they not respecting their culture. They only giving importance to their own culture and not caring about French.

    asked by Mohammad on December 16, 2011
  56. Science Meiosis

    When plants such as Strwberries reproduce by sending runners, they reproduce without sex cell? true or false? First read: http://en.wikipedia.org/wiki/Asexual_reproduction

    asked by Alexie on November 13, 2006
  57. Math

    Price of article = $315.50 Down payment = $31.55 Monthly payment amount = $16.50 Duration of payments = 20 months True annual interest rate to the nearest tenth= %

    asked by sarah on June 24, 2013
  58. math

    Loan amount = $9,500 Monthly payments = $227.50 Time of loan contract = 5 years True annual interest rate (to the nearest tenth) =

    asked by wilton on May 2, 2014
  59. problem solving

    a select a mathematics theorem or rule from class and make a list of its attribute? b generate at least three new problems by considering the question: " what if the some or all of the given attributes are not true?" c thoroughly investigate one of the

    asked by kakak on December 12, 2014
  60. Literature

    Which of the following is NOT one of the themes of the play? (Romeo and Juliet) a. Good intentions always yield good results*** b. Tragedy causes everyone involved to look intently at themselves c. True love requires risk

    asked by Anonymous on April 9, 2018
  61. HELPPPPPP

    a box with a volume of 22.4 L CONTAINS 1.0 mol of nitrogen and 2.0 mol of hydrogen at zero degrees celcius. Which of the flollowing statements is true? the correct statement is the partial pressure of N2 is 101kPa. How come??

    asked by Miley on March 19, 2008
  62. Chemistry

    For acids of the same general structure but differing electronegativities of the central atoms, acid strength decreases with increasing electronegativity of the central atom. True or false

    asked by Josh G. on November 15, 2012
  63. INTSCIENCE

    The earth can be considered a heat engine because it receives heat from the sun and converts it into mechanical energy to produce winds and evaporate water. True False

    asked by Casey on November 24, 2014
  64. statistics

    Confidence Intervals; In a survey of 1004 individuals, 442 felt that Randolph spent too much time away. Find a 95% confidence interval for the true population proportion

    asked by ann on March 26, 2013
  65. US HISTORY

    2.At the Yalta Conference, Stalin agreed to enter the war against Japan, but he refused to promise free election in Eastern Europe after the war. true or false

    asked by tROMPUdA on May 26, 2011
  66. int.science

    The earth can be considered a heat engine because it receives heat from the sun and converts it into mechanical energy to produce winds and evaporate water. True False

    asked by Casey on November 24, 2014
  67. biology

    Most automobiles have water-cooled engines. What must be true about a solution that can replace water in the cooling system, such as antifreeze? I know this is the second time I'm posting this question, but it's been hours and still no one's responding.

    asked by lamiya on September 12, 2009
  68. Health/ Basic Clinical Procedures

    please check my answer True or False The medical assistant measured the circumference of the infant's head the method of the exam has occurred is called observation ? I said false

    asked by Helana on April 20, 2008
  69. Novel

    In chapter 9 of The True Confessions of Charlotte Doyle, Charlotte goes to the forecastle for the first time since she has been aboard the Seahawk to get a needle for Ewing. What might this suggest about her character? Of what literary device is this an

    asked by Nicole on March 3, 2015
  70. statistics

    Question: A standard placement test has a mean of 105 and a standard deviation of ó = 13. Determine the minimum sample size if we want to be 99% certain that we are within 3 points of the true mean. Answer: N = ( zc ó/E)^2 = (2.575 x 13/3)^2 = 121

    asked by looking for someone to varify my work please on April 6, 2010
  71. Physical Science

    1. The most diffuse elements have the largest atomic weight. -False? 2. A quantum is a small energy unit. -False? 3. Light travels in a continuous wave. -True?

    asked by mysterychicken on January 11, 2013
  72. math

    true or false A one-story building, having dimensions of 80 ft. x 50 ft. x 20 ft. high, encloses a volume of 8000 cubic feet, and has a floor space of 400 square feet.

    asked by Blayke on February 10, 2010
  73. Confidentiality Health Care

    The newspaper phone rehab clinic and asks if Sally is a patient and what is her status? Would it be true to state regulations prohit divulging patient specific information

    asked by Debbie on October 21, 2008
  74. Physics

    Is true or false- a lamp functioning at peak voltage (AC) will glow with the same brightness when connected to a battery of the same voltage (DC)? PLZ DNT 4GT 2 XPLAIN DA ANSWER

    asked by Georgina on October 10, 2010
  75. Personal Dimensions of Education

    Most singular nouns that end in “s”—such as politics, news, measles—take plural verbs. For example: “The local news are a good source for community events.” Is it True or False?

    asked by ACE on February 16, 2014
  76. math

    Mrs. Sue please help! A true-false test has 12 questions. What is the probability of guessing the correct answers to all of the questions? (1 point) 1 over 4096 1 over 144 one over twenty four 1over14

    asked by Austin on May 26, 2014
  77. statistics

    A test has 1 true false question and 2 multiple choice questions(A B C D). Draw a tree diagram and determine the sample space for the possible ways to answer the test.

    asked by janae on May 6, 2013
  78. Linguistically & Culturally Diverse Learners

    In order to promote language acquisition in beginning language learners, teachers should require students to speak, even if only one or two-word phrases. (Points : 1) True False

    asked by Anonymous on September 16, 2012
  79. English help

    How you evaluate the pied pipers true motives for getting rid of the rats in "the pied piper of Hamelin"? It's an open ended response and this story is so confusing. Need help ASAP!!!

    asked by Anonymous on September 1, 2014
  80. world history

    The Japanese living in America were seen as a threat to national security after the Japanese attack on Pearl Harbor, so they were sent to live in camps in the interior of the country. true or false

    asked by Elizabeth on January 23, 2012
  81. English

    In English, I am writing an essay about lawsuits. Is it true some people have sued restaurants because they spilled coffee on themselves, supposidly making them infertile? Or is this just a rumor? I want my essay to be as factual as it can be. Thank you!!

    asked by Genna on March 5, 2009
  82. wilton

    Loan amount = $10,000 Monthly payments = $258.50 Time of loan contract = 5 years True annual interest rate (to the nearest tenth) =

    asked by wilton on May 2, 2014
  83. history

    I am confused about this question. Is it true or False? The Era of good feelings was a period of sustained economic prosperity, even though two political parties were bitterly divided. I think its false....

    asked by jan on October 2, 2008
  84. Helth science

    True or False: Laid end to end, the blood vessels in your body would circle the Earth two and a half times. 2. The _________ is made up of cardiac muscle.

    asked by Birdy on October 24, 2010
  85. Business Law

    Which of the following statements is true regarding a negotiable instrument? A. It should be signed by the payee. B. It need not state a fixed amount of money. C. It should not require any undertaking other than the payment of money. D. It can be either

    asked by angela on July 28, 2016
  86. english

    Are the following sentences fragments, run-on or complete sentences? 1.You better believe what I say to be true. 2.Listen carefully to what the teacher has to say. 3. I have always wanted to live in England, but I am afraid I will only get to visit at this

    asked by Matt on November 14, 2011
  87. Stats

    If the true population standard deviation was known to be 3, then approximately what minimum sample size would you need in an SRS (simple random sample) if you want a confidence interval for the margin of error of .5 or less?

    asked by Anonymous on February 21, 2011
  88. math

    Loan amount = $10,000 Monthly payments = $258.50 Time of loan contract = 5 years True annual interest rate (to the nearest tenth) =

    asked by wilton on May 5, 2014
  89. Analytic Chemistry

    Barium Sulfate precipitated from a 1.300 sample was contaminated with 9.4 mg of Fe2(SO4)3 and weighed a total of 314.0 mg. Calculate the apparent % BaSO4 and True % BaSO4

    asked by Nacorda on July 6, 2017
  90. American Government

    What statement is true about the legislative branch? A. It is divided into a senate and a house of representatives B. Members are selected for life C. It has no real authority D. It is more powerful than any other branch of government.

    asked by Missy on January 16, 2009
  91. Physical Edu

    The principle of progressive overload is described by an improvement in physical fitness which requires a gradual increase in physical activity and working the body beyond accustomed levels. is it True

    asked by Andy on June 12, 2012
  92. Statistics

    The Academy of Orthopedic Surgeons states that 80% of women wear shoes that are too small for their feet. A researcher wants to be 98% confident that this proportion is within 3% of the true proportion. How large a sample is necessary?

    asked by Anonymous on July 23, 2010
  93. statistics

    True Or False Using the average score to describe a sample is an example of inferential statistics. By reading the definition in my book I feel as though this phrase is false. Can someone please advise on this matter?

    asked by Lyndyc on January 7, 2014
  94. Pre-Algebra

    How does finding the square root of a number compared to finding the cube root off a number use number 64 in your explanation. xx check my answer ;3 the square root of a number is a number which when multiplied twice by itself gives the number that was

    asked by Mrs. Sue's Pet xdddd on October 15, 2015
  95. math

    Which statement is true. A. 29/35 less than 20/30 B. 18/34 greater than 16/32 C. 14/21 greater than 17/24 D. 20/15 less than 28/ 23 Ms. Sue please help

    asked by hiya on October 11, 2018
  96. MATH

    What value of x makes this equation true? 2(x-5) - 7 =2 a.) 19/2 b.) negative 5 c.) 7 ********** d.) negative 15/2

    asked by Amy on February 18, 2014
  97. pre calc

    True or false: a. |3x-5|=|2x+4| if and only if 3x-5=2x+4 or 3x-5= -(2x+4) ______ b. |2x+7|=-4 if and only if 2x+7=4 or 2x+7=-4 ______ how do you do these and what's the answer? thanks

    asked by Anonymous on September 8, 2009
  98. history

    what is the difference between a true bill nad no bill

    asked by bella on October 27, 2007
  99. math

    is this equation is a linear equation [x + 2y -3z / e^2 + In(2) =0.]true or false

    asked by Fakaapo. Suetusi on April 15, 2011
  100. Math

    In a rhombus all angles are right angles. True or False?

    asked by James on January 12, 2011