1. Algebra II

    Solve x^4 - 12x - 5 = 0 given that -1 + 2i is a root. I’ve used synthetic division to get the answers x = 1 +/- 2i , 1 +/- sqrt 2 I’ve having trouble checking the answers though because of that imaginary number. How can I check these kind of problems?
  2. Just checking Math-Absolute Value

    The equation for "the distance from x to -4 is less than 12" is |x-4|<12? I'm just checking my answers.
  3. Math - Please Check My Answers

    Please help me with the following two problems: Find the greatest possible error for each measurement. 512 m A. 0.5 m C. 0.5 cm B. 5 m D. .005 cm I think the answer is A. Is this correct? Find the greatest possible error for the given measurement if it is
  4. Easy (yet confusing) Algebra

    These problems are pretty easy, but confusing (as stated in the subject line). |2x+5|-x=10 |3x+4|-2x=11 I know there are supposed to be two answers for each problem, for the first problem I got 5 and for the second problem I got 7. I can't figure out the
  5. math

    I have no idea where to start! *A quick quiz consists of 3 multiple choice problems, each of which has 4 answers, only one of which is correct. If you make random guesses on all 3 problems, (a) What is the probability that all 3 of your answers are
  6. Earth Science - Please Check My Answer

    Please help with the following: Dani wants to measure the volume of a pebble. Which tool will give the most accurate measurement? A. a ruler B. a tablespoon C. a measuring cup D. a graduated cylinder I think the answer is mostly D. Is this correct? Please
  7. other Quadratic equations

    The problem is 7x^3-x+1=x^3+3x^2+x. Find all real answers. I came upwith two answers 3x^2=1 and 2x=1/2. The first answer just does not look right. I must be forgeting something! You can check them by putting in x=1/4 (the second answer), and then x=+-
  8. Pre-Calculus-check answers

    Which of the following results in the graph of f(x)=x^2 being expanded vertically by a factor of 3 and reflected over the x-axis? a) f(x)= (1/3)x^2 b) f(x)= -3x^2 c) f(x)= (-1/x^2)+3 d) f(x)=(-1/3)x^2 Answer: d Thanks for checking my answers
  9. Math 3371

    In a certain year, 26% of all teenagers in the United States had checking accounts. Your bank, TeenChex Inc., is interested in targeting teenagers who do not already have a checking account. (a) If TeenChex selects a random sample of 3,000 teenagers, what
  10. Precalculus problems check?

    Did I do these two problems right? P(1-sqrt2) = 8x - 4x^2 P(1-sqrt2)= -4 P(2/x)= 8x - 4x^2 P(2/x) = x-1 I think when the answers are plugged back in, the equation is supposed to equal zero, but I don't get this; however, I always redo each problem with
  11. Algebra-Please check my answers

    Posted by Jessie on Monday, October 18, 2010 at 3:48pm. I think I figured it out-please check I'm really stuck on these problems- Simplify 6xy(3xy)^-2? I think this is 2/3xy choices were 2/xy 3xy 2xy 2/3xy Simplify 12xyz^-2/8x^-2z choices were 3x^2y/2z^3
  12. Algebra-Please check my answers

    Posted by Jessie on Monday, October 18, 2010 at 3:48pm. I think I figured it out-please check I'm really stuck on these problems- Simplify 6xy(3xy)^-2? I think this is 2/3xy choices were 2/xy 3xy 2xy 2/3xy Simplify 12xyz^-2/8x^-2z choices were 3x^2y/2z^3
  13. English

    Could you please check these statements, please? Thank you. 1) the first who trusts/to trust are both possible? 2) "Let's check the answer to those exercises" She proposed checking the answers... She told/ordered us to check.... She suggested checking the
  14. math

    in the addition problems below each leter represents the same digit in both problems. Replace each letter with a different digi, 1-9, so that both addition problems are true.(there are two possible answers.) A B C A D G +D E F +B E H ------ ------ G H I C
  15. math

    I need the answers to why did the banana go out with the prune. I already know the answer to the riddle i just need to know the answers to all the problems. Teachers i am a cheater, deal with it there are cheaters and i am one of them. P.S. I would like a
  16. algebra1

    im just checking to make sure i did my problems right before tomorrow i had to simplify 6 sq.root2 devided by sq.root3. I came up with 2 sq.root6 is this done right?
  17. Introduction to Graphic Design

    Hello! Thanks for checking my question out! ____ 1. Which of the following are examples of applied art? Select all that apply. (2 points) a) architecture b) drawing c) industrial design d) sculpting My Answers: A and C Could someone please check my
  18. ENGLISH

    QUICKLY RUNNING OUT And your question is?? You've received several answers. Now, it's your turn. What parts of speech do you think these words are? I just need help. Well , do you think you can help me and explain it? I wasn't expecting people to give me
  19. statistics

    The First National Bank of Wilson has 680 checking account customers. A recent sample of 60 of these customers showed 32 to have a Visa card with the bank. Construct the 98 percent confidence interval for the proportion of checking account customers who
  20. Math..

    4(x+1/2)-2(x+3/2) less than. Or equal to 5 ( i. Solved it im just checking my answers to be sure )
  21. Introduction to Graphic Design

    Hello! Thanks for checking my question out! ____ 4. What are the two broad categories of painting styles? Select all that apply. (2 points) a) abstract b) acrylic c) realistic d) realistic e) watercolor Yes, there are two answers with the same choice. My
  22. Math - More Precision and Significant Digits

    Please help me with the following problems: 3. Choose the more precise measurement. 6 cm or 2.5 cm I think it is 2.5 cm. Is this correct? 7. Choose the less precise measurement and explain why it is less precise. 2.8 mm or 3.79 mm I think the answer is
  23. Math-PLEASE check my answers

    What types of problems can be solved using the greatest common factor? What types of problems can be solved using the least common multiple? Complete the explanation. *** Use the words 'same' and 'different' to complete the following sentences.*** Problems
  24. Math

    CAN SOMEONE CHECK MY ANSWERS PLEASE? What types of problems can be solved using the greatest common factor? What types of problems can be solved using the least common multiple? Complete the explanation. *** Use the words 'same' and 'different' to complete
  25. Pen Foster

    checking my answers in Introduction to Allied Health anyone have that one?
  26. Math

    What is 2.49 divided by 89?(BTW im not cheating im just having trouble checking my answers
  27. Algebra

    Can someone check my algebra answers and help me with the problems I don't understand? 1. n^2-n-20/2n^2 times n^2+5n/n^2-25 answer: n+4/2n 2. (2x-6/21)/(5x-15/12) answer: 8/35 3. 5x-3/6 - x+3/6 answer: 2x/3-1 4. 5x/26 - 2x/13 answer: 1x/26 5. 3x^2/9x^5
  28. stats-please help

    MEAN=10 & STD DEVIATION=2. FIND THE PROBABILITIES: 9.4 less than X less than 10.6? i have 2 different answers but am checking the answer. thank you
  29. Math

    Can you please check the questions i posted not to long ago about checking my answers?
  30. math

    A math contest consists of ten problems.Three points are given for each correct answer. One point is deducted for each incorrect answer. Andy answers all the problems and scores 18 points. How many correct answers does he have?
  31. Social studies

    I don't want links I want answers please and please make sure it's in your own words. What are the causes of problems the Mayans and other Native American groups fate in Guatemala? How are people trying to solve these problems?
  32. Garland High school

    Suppose you must maintain a balance of least $500 in your checking account in order to have free checking. The current balance in your checking account is $635.27. Which inequality describes how much can write a check for a and still have free checking? A.
  33. Algebra

    Checking two problems : 1. x^2-7x+12 / x^2-16 = (x-3)(x-4) / (x-4)(x+4) (x-4) cancels out Answer (x-3)/(x+4) 2. x^2-3x+2/7x-14 divide by x^2-1/7x+7 x^2-3x+2/7x-14 * 7x+7/x^2-1 (x-1)(x-2)7(x+1)/7(x-2)(x-1)(x+1) To me it looks like everything cancels out, is
  34. Algebra

    Amy has some money in her checking account. If she writes a check for $40.50, her checking account will be overdrawn by $21.50. Find how much money is Amy’s checking account now. My Answer (please correct if wrong): 40.5 - (-21.50) = x
  35. algebra homework help

    student missed 11 problems on a Chemistry test and received a grade of 65%. If all the problems were of equal value, how many problems were on the test? Round off your answer to the nearest integer. X= # of problems 11= # of missed problems 65% of correct
  36. maths

    I've to solve the following absolute value equation 8|w-7|=72. I solved the equation and the answers I got were -2 and 16. However the problem is that when I'm checking the equation with the answers it's not coming right. I.E. 8|16-7|=72 8|9| = 72 8(9)= 72
  37. stats-please help

    repost MEAN=10 & STANDARD DEVIATION =2. FIND THE PROBABILITIES: 9.4 less than X less than 10.6 i have 2 different answers but am checking the answer. thank you one is 0.6179 the other is 0.2358
  38. statistics math

    MEAN ƒÊ=10 & STANDARD DEVIATION ƒÐ=2. FIND THE PROBABILITIES: 9.4 Ú X Ú 10.6 i have 2 different answers but am checking the answer. thank you one is 0.6179 the other is 0.2358
  39. Math

    What is the net price factor for trade discounts of 25/15/10? Answer: .57375 Just checking my homework answers
  40. Math

    The circle graph shows data on the suitability of land for farming. Which three categories together account for exactly half of the land? The percetage for Too Shallow is 13% The percentage for Chemical Problems is 25% The percentage for Too Dry is 30% The
  41. communication

    Repeating in your own words the verbal content of the critic's message is: paraphrasing. checking for feelings. checking for inferences. buying time with limited agreement.
  42. English

    I'm worried about my math. 1. Why don't you buy a math self- teaching book and solve math problems a lot. 2. Why don't you buy a math self-study book and solve math problems a lot. 3. Why don't you go to a math academy and study math more? 4. Why don't ask
  43. buisness communication

    Repeating in your own words the verbal content of the critic's message is: paraphrasing. checking for feelings. checking for inferences. buying time with limited agreement.
  44. Chemistry URGENT

    I am having a hard time understanding how to calculate pH. my textbook states that that pH =-log[H^+]. I have two questions that asks: What is the H^+ concentration in an acid with of pH 4.6? Express your answer as a power of 10. What is the H^+
  45. algebra

    A student missed 11 problems on a Chemistry test and received a grade of 65%. If all the problems were of equal value, how many problems were on the test? Round off your answer to the nearest integer. X= # of problems 11= 3 of missed problems 65% of
  46. Algebra 1

    A college student is looking at her monthly checking account records. On September 1, 2008, her checking account held a balance of $1,050. At the end of March 2009, her checking account held a balance of $800. What is the monthly rate of change for the
  47. math

    A college student is looking at her monthly checking account records. On September 1, 2008, her checking account held a balance of $1,050. At the end of March 2009, her checking account held a balance of $800. What is the monthly rate of change for the
  48. algebra 1

    A college student is looking at her monthly checking account records. On September 1, 2008, her checking account held a balance of $1,050. At the end of March 2009, her checking account held a balance of $800. What is the monthly rate of change for the
  49. math

    A college student is looking at her monthly checking account records. On September 1, 2008, her checking account held a balance of $1,050. At the end of March 2009, her checking account held a balance of $800. What is the monthly rate of change for the
  50. algebra

    A college student is looking at her monthly checking account records. On September 1, 2008, her checking account held a balance of $1,050. At the end of March 2009, her checking account held a balance of $800. What is the monthly rate of change for the
  51. Language Arts - Iambic Pentameter

    Please help me with the following: Which lines are written in iambic pentameter? Check all that apply. A. The smoke of my own breath B. And what I assume you shall assume C. I never saw a moor D. Yet certain am I of the spot E. And summer's lease hath all
  52. Physics

    If an object is hung from a cable with a weight of 40 N, what is the tension in the two cables? I got some answers, but it would be best if I knew if I was doing the problems correctly before I do the rest of the worksheet. I did a bunch of work, but it's
  53. Science please help

    I am doing a crossword puzzle that has statements that you write their answers in the right column. I have two that I can't get. Heart of a scientific investigation what I have so far: --e-t-- standard of comparison for checking the results of an
  54. Introduction to Graphic Design

    Hello! Thanks for checking my question out! ____ 2. Which of the following can be considered an artist's media? Select all that apply. (3 points) a) methods by which art is created (e.g., dance, photography) b) purposes for which art is created (e.g.,
  55. math

    Miriam is four years older than Ricardo. 10 years ago she was 3 times as old as Ricardo was then. A) How old are they now B) determine whether your answer is correct by checking that it satisfies the conditions of the problems
  56. English

    Formative Test Now, let's check how well you can use the expressions you've learned. I will distribute handouts. You have to solve the problems. You will have 5 minutes. Are you finished? Then, I'll write down the answers. Look at the answers on the
  57. math

    A virus scanning program is checking every file for viruses. It has completed checking 40% of the files in 300 seconds. How long should it take to check all files?
  58. Caplan

    A virus-scanning program is checking every file for viruses. It has completed checking 40% of the files in 300 seconds. How long should it take to check all the files
  59. Math

    Avirus scanning program is checking every file for viruses. It has completed checking 40% of the files in 300 seconds. How long should it take to check all the files?
  60. Statiatics

    A student ran out of time on a multiple choice exam and randomly guessed the answers for two problems. Each problem had 5 answer choices a, b, c, d, e and only one correct answer. What is the probability that she answered neither of the problems correctly?
  61. math

    Patty has a checking account at a local bank. The monthly checking fee is $10 $0.30 for each check she writes Nonbank ATM withdrawls cost $2.50 Her beginning balance was 2,740.50 she desposited 1,325.00 Withdrew $475.00 in cash from a nonbank ATM She wrote
  62. math

    Business and finance. Avirus scanning program is checking every file for viruses. It has completed checking 40% of the files in 300 seconds. How long should it take to check all the files?
  63. Math

    Dear Reiny! U r a life-saver! Is there a short cut to how can I set the question or change word problems into math one? It seems that this is my problem! Also, why did my way worked as well with different answers? My answers satisfied all equations as
  64. English

    It's time to take a test. Close your textbooks. I will hand out test papers. Take one and pass the rest to the back. When you receive an exam paper, make sure to write down your name and number on the top. I will give you 5 minutes.....Time is up. I will
  65. English Expression

    1. After you read the reading text, write suitable expressions in each blank after you find who sent the letter to whom on which date. 2. What is Mina's mother like to Mina, checking it. Check the box before 'Mina's best friend.' In #1 and #2, are there
  66. checking math answers

    1. m<A = 72 degrees Find the supplement of <A? 108 degrees? 2. Approximate has a square root symbol and 31 by giving the two whole numbers that it lies between. 5 and 6?
  67. English

    Which of the following is a fragment a.because we had tickets. b.running past first base. c. Athletes understanding the purpose of practice. d. all of the above. I am think d Which of the following is a fragment? A.Here are the answers to the math
  68. English

    Now, let's check how well you can use the expressions you've learned. I will distribute handouts. You have to solve the problems. Are you finished? Then, I'll check the answers. Look at the answers on the blackboard. Check your answers. How many students
  69. Ed Tech - CHECK MY ANSWERS PLEASE

    I just took an Ed Tech assessment and so could someone check my answers before I turn it in? Thanks!! 1.) What did the STRICT study generally find about the effect of Internet use on sleep? A. Teens who use the Internet and phone after bedtime have a
  70. Fractions / math

    Okay, for these two questions I have the answers - but I can't figure out the process. HOW did they get these answers? 1. There are 132 members of the Volunteer Fire Dept. At a recent alarm, 1/4 of the volunteers responded. How many volunteers did NOT
  71. algebra

    I have a few math questions I made them just like my actual problems so that I can go through the steps you have went through to answer my own problems...Again THESE ARE NOT THE REAL PROBLEMS JUST EXAMPLES LIKE MINE WITH DIFFERENT NUMBERS. I don't know how
  72. English 2

    In the poem "In Trying Times," the speaker says that "in trying times, nothing is so useful in checking hatred or lies." What is the intended meaning of “checking” in the poem? marking ensuring stopping inspecting
  73. Math

    For these problems the instructions say to tell whether each scale reduces, enlarges, or preserves the size of the actual object. Here are my problems and answers: 1. 10 cm: 1 dm Ans: reduces 2. 3 ft:3 yd enlarges 3. 5 km: 5 m enlarges 4. 1760 yd: 5280 ft
  74. Early Child Ed.

    Would someone also please check thse questions and my answers to make sure I have chosen the best possible answer? 1. A good example of people-first language is: A. "He has cerebral palsy." B. "She's a Down's baby." C. "This is a child with attention
  75. English

    I will distribute exam papers to you. Take one and pass the rest to the person behind you. You have to solve the 10 Engish problems in 5 or 7 minutes. When you are finished with solving the problems, I will write the answers on the blackboard. You have to
  76. English Language

    I asked this question earlier. I need to write 2 letters of complaint about problems I face at school and problems I face as a student in general but I can't find any problems, could you help me list some problems? Its really really urgent.
  77. chemisty

    If 15 grams of copper (11) chloride react with 20 grams of sodium nitrate, how much sodium chloride can be formed? Hint: you will need two stochiometry problems to determine which reactants limit the amount of NaCl produced? How do you figure out the 2
  78. checking math answers

    1. 3 gal and 2 qt subtracted from 8 gal and 7 qt= 6 gal and 1 qt? 2. 980 cm = 9.8 m? 3. choose a reasbonsible weight for a cow? 500kg? 4. are these numbers perfect triples 8.10.12? no? 5. square root of 49? =7?
  79. checking answers for math

    1. 3 gal and 2 qt subtracted from 8 gal and 7 qt= 6 gal and 1 qt? 2. 980 cm = 9.8 m? 3. choose a reasbonsible weight for a cow? 500kg? 4. are these numbers perfect triples 8.10.12? no? 5. square root of 49? =7?
  80. Human Resources

    You have just been hired as a human resource specialist and will be responsible for conducting background investigations. Which of the following is safest to assume? A. You will be posting background check results. B. You will be supervising new hires. C.
  81. Introduction to Graphic Design

    Hello! Thanks for checking my question out! ____ 10. Which of the following are reasons why it is important to properly recycle electronic equipment? Select all that apply. (3 points) a) Recycling electronic equipment conserves natural resources. b)
  82. algebra (checking answer)

    Checking to make sure I did it right.. Remainder theorem to find the remainder when f(x) is divided by the given x-k f(x)=x^3-4x^2+2x+4; x+2 2 x -4 2 4 1 2 -4 4 1 -2 -2 8 2)x^3-4x^2+2x+4. (X^3-2x^2-2x) is the answer x^3 -2x^2+-2x -2x^2+4x 6x+4 -2x+4 8x+8
  83. pre-algebra

    Terry has 43 dollars in a checking account.If terry writes a check for 62 dollars what is the new checking balance?
  84. math

    In a math contest of 20 problems, 5 points were given for each correct answer. If Janelle answered all 20 problems and scored 72 points how many correct answers did he have?
  85. science

    Is distillation a chemical or physical change? My answer is a physical change. Is this Correct? My Mom wrote to ask you guys to check her checking my answers. Who is right?
  86. math

    My teacher never specifically told us how to do these type of problems and now i have 10 of the same type of questions for homework due when i come back to class 2 days. a^7b^6 ________ a^5b Im not asking for the answer but the steps to get to the answers
  87. Language Arts

    Hello, I need help with these questions and checking my answers. First Question: Which one of these lines is the main conflict? I don't have to remind you to get your grades up,You're the only one without approval that's due in two weeks, or Jason who is
  88. calculus

    the second number is the reciprocal of the fist and the sm is a minimum. this is my my work and i got stuck x=first number y=second number so y=1/x then what. i know the answer is 1 and 1. also can you explain why the answer is 1 and 1 and not just one. it
  89. Communications

    I am supposed to survey people because I am doing a research paper about slang. Can anyone please answer these questions for me? The more answers I get the better. I would appreciate it so much. 1)What kind of slang do you use when text messaging? 2)What
  90. psychology

    A production executive,using deductive reasoning as an approach to solving problems,concludes that there is only one correct solution to every problem.The flaw in his reasoning is that: a)it allows his managers to find their own answers b) clear solutions
  91. Health

    Using carbo-loading to increase the store of glycogen seems to benefit only those athletes who engage in aerobic activities that are A. more than 90 minutes. B. between 30 and 60 minutes. C. less than 20 minutes. D. between 50 and 80 minutes. A? I'm double
  92. Math

    thanks for the answers, but I need to know how to solve the problems, so I can finish the remainder of my homework. Use a power of ten to change each to a decimal. 2 1/2 4 1/25 I need to learn how to solve these types of problems. I was out of the room
  93. Math

    I can't figure this out! Help please! The Problem At the local park, I saw a man was quizzing a boy with some simple arithmetic problems, and the boy seemed to be getting them all correct. He asked the boy, "32 + 5", and the boy answered, "37". The man
  94. Math - Please Check My Answers

    Please help me by checking the following answers for me(There are 3 problems that I need someone to check). 3. A student is attempting to solve the equation below for the variable x. Which of the statements below best applies to the mathematical work
  95. MATH

    cos(x)=2 and sin(x)=5 Thanks for your previous answers mathmate. No. It's not a typo. I was wondering if someone could explain to me when in real life would I need to solve such problems, or similar, besides answering problems from a textbook. When ever I
  96. checking to see if this is right

    just checking to see if i have this problem correct Sammy can cut wood twice as fast as Joe. When they both work together, it takes them 4 hrs. how long would it take them to do the job alone? 4/x +4/x+2 = x^2+2 4x+4x+8= x^2+2 8x+8= x^2+2 x^2-6x-8=0
  97. math

    in a math contest of 20 problems. 5 hpoints given each correct answer. 25 points are deducted for each incorrect answer. if janelle answered 20 problems and scored 72 points. how many correct answers did she had?
  98. Math - Precision and Significant Digits

    Please help me with the following: Find each product or quotient. Use significant digits. 0.0505m x 665m A. 33.6 m^2 B. 33.58 m^2 C. 33.50 m^2 D. 3.582 m^2 I think the answer is A. Is this correct? Please help me by checking my answer. Any help will be
  99. Math

    Tonia deposited a total of $174.52 into her checking account. She also withdrew a total of $186.15. Use addition to find the net change in Tonia’s checking account.
  100. Math

    A virus scanning program is checking every file for viruses. It has completed checking 40% of the files in 300 seconds. How long should it take to check all the files? I am not sure how to set this problem up, can someone please help! 40% = 40/100 40/100 =