Calculus (Answer Check)

89,119 results, page 11
  1. English

    Which of the following is a good rule to follow when proofreading an essay? A. Scan the essay twice, once for organization and once for surface errors. B. Ask your best friend to critique your essay. C. Use the computer's spell-check and grammar-check
  2. English-CHECK PLEASE

    Ok, I figured this out (I think) but can you please check? Don't worry. I can carry the tent all by myself because it is so light. I do not even need a lantern it is so light outside. In these sentences, the word "light" is used as a: A:homophone
  3. CALCULUS!! OH DEATH!!!

    I need to solve: Lim as x is approaching 1/4, for (4x-1)/(1/ ([square root of x] minus 2)). Help would be greatly appreciated!!! It's trivial using L'Hopital's rule. Answer: -64 Correction, the answer is -1. what is l'hospital rule?
  4. bookkeeping

    received a check for 154.72 for unassembled products includes 8.06 sales tax and 12.30 in transportation what is the entry for the transaction in the sales dept.a sales credit? (a)132.33 (b)134.36 (c)152.72 (d)154.69 my answer is b received a payment for
  5. 8th-g Science: Need help to check answer!!!

    Since I will have a science test next week based on these questions but my teacher won't check all answer with the class. I don't want to make a mistake and study to an incorrect answers. Do you mind to check the answers for me so that I am able to see if
  6. Calculus (Help)

    Can you please help me with this problem? I asked earlier, but nobody was able to help me... I've been working on it for about an hour now. A widget factory has fixed costs of 35 billion dollars and variable costs of 781 million dollars per widget. The
  7. Science 8th grade

    please check my answer thanks I need to write at least one paragraph regaurding this Urinalysis is a very commo diagnostic test. Describe and name the poddible abnormal results related to the test.. indicate the disorders tha these abnormal test results
  8. spanish/check please

    choose the best words A ver, ( primer,primero), me diez cosas o mas antes de llegar a la escuella en la manana. answer: primero (seguanda, segundo ) , me levanto answer :seguando la ( tercera, tercer)accion es banarme. answer:tercera ( septimo, septima) ,
  9. Math

    Use the circle graph to determine how many hours per day Becky spends on each activity. School=25% Eating=10% Sleep=40% Homework=10% Freetime=15% I think my answer would be 25/100=x/1 4 hours Can you please check my answer,Please help me I am a little
  10. Child Care

    A method in which children must see and touch objects in order to learn about them is called A. concrete learning. B. hand-eye coordination. C. active learning. D. self-teaching My answer is A can some check my answer
  11. Maths ..Equations

    Hi I have to rearrnge the following to make y the subject.. x = 3 - 2y / 6 I get the first part do x 3, - 2, and / 6. Undo x 6, + 2, and / 3 then multiply by 6 so, 6x = 3 - 2y add 2 to both sides, 6x + 2 = 3 the divide both sides by 3 6x + 2 = y ------- 3
  12. math (check answer plz)

    The probability of a certain hockey player making a goal after hitting a slap shot is 1/5 how many successful slap shots would you expect her to make after 120 attempts? . . . . . . . . . . . . . My answer: 24
  13. Calculus

    I know how to find the interval of convergence, but I don't understand when to check for convergence at the endpoints (to see if I should include it or not) Could someone help me understand this? Thanks!
  14. first steps in using a personal computer

    as you boot up your computer system,nothing is displaying on the monitor.you check that the monitor is turned on and that all the power cords are plugged into a working source of electricity.what should you do next a.check that all the cables between
  15. Math (Pre-Calculus)

    9t^4 + 6t^2 + 2 the problem is asking for the value of t at which the graph is at it's minimum. what i did was set t^4 to x^2 and t^2 to x. So that means I have 9x^2 + 6x + 2. Completing the square and the vertex formula gave me the same answer of -1/3 as
  16. English please check answer

    Please see if I Have the right answer thank you for your help . You are asked to change plural medical words to the singular form. Which of the following combinations represents the correct conversion ? A. Criterion, criteria B. Bacteria,bacterium C.
  17. Algebra check?

    Sorry the first post formatted weirdly. 1. 3i - 10 --------- 8i - 5 Answer 74 65i ---- + ----- 89 89 2. 11i^2 + 1 ------------ -12i - 8 Answer: 5 (2 - 3 i) ------------- 26 3. square root -25 * 8 square root -49 Answer: -280 4. square root -64 + 12 square
  18. Calculus

    Can someone show how to solve this problem Two vertical towers of heights 60 ft and 80 ft stand on level ground, with their bases 100 ft apart. A cable that is stretched from the top of one pole to some point on the ground between the poles, and then to
  19. Calculus

    Greetings, So I've been working on this problem: H(x) = (x^4 - 2x +7)(x^-3 + 2x^-4) H'(x)= Kept on getting it wrong and I assumed it was an algebra mistake. After multiple tries I went to a few derivative calculators to check my work... What I saw was the
  20. Pre-calculus

    Write the standard form of the equation of the circle that is tangent to x= -2 and has its center at (2,-4). Answer:(x-2)^2+(y+4)^2=16 Is this correct? 2) Find the area of the region between the graph of y=x^3 and the x-axis from x=1 to x=4 Answer: 63 3/4
  21. Pre-Calculus

    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 1.632455533
  22. integral Calculus

    ʃ (4sin²x cos²×/sin2x cos2x)dx i've got it from the book and it has an answer from the back page of the book but i want to know how to solve it..i really need it for practicing this subject...please please help..Thanks a lot.. the answer is: -1/2
  23. Social Studies/Missouri Facts

    Could you also check these thanks. Could I get a letter grade I'm in 9th grade 1. Who is the Governor of the State of Missouri? Answer: Jay Nixon 2. Name the two major cities in Missouri. Answer: St. Louis and Kansas City 3. Where is the capital of
  24. Math

    I wanted to double check that I am correct on the work area and answers please. 1.Given f(x)=x+2 and g(x)= 3x-4. Find (f+g). Work: (x+2) + (3x-4) Answer: 4x-2 2.Given f(x)=x+2 and g(x)=3x-4. Find (f*g). Work: (x+2)(3x-4) Answer: 3x² +2x-8 3.Given f(x)=x+2
  25. Calculus

    Posted by MG on Wednesday, March 26, 2014 at 6:54pm. The hands of a clock in some tower are 4.5m and 2m in length. How fast is the distance between the tips of the hands changing at 9:00? (Hint: Use the law of cosines) The distance between the tips of the
  26. Math

    Can someone check my answer down below?
  27. Math 8 - HW. Qs. Check

    12 + v/2 = 17 My Answer - 10 right?????
  28. Algebra: Answer Check

    (2 - 7i) - (5 - 3i) = -3 - 4i (1 + 2i) + (3 + 4i) = 4 + 6i
  29. math

    please check -2x + 7 < 10 answer x < -3/2
  30. math

    Please check x + 1/3 > 5/4 answer x > 19/12
  31. Alegebra

    Please check (5^3) (5^9) is the answer 60 Need help with this one (3x-2) and (5x^2+3x)
  32. math

    Please Check x - 1/4 > 5/8 answer x > 7/8
  33. Math

    Please Check My Answer Please!!! Thanks :) 9/4 = ?/12 54 36 45 27********* 27/90 = 3/? 3 10 9********** 27 32/? = 20/25 37 16*********** 26 40
  34. Algebra: Answer Check

    (x^2 - 8x + 6)/(x + 2) = x - 10 + ((26)/(x + 2))
  35. math

    can you check if answer is right? a^2b -c when a=4 b=8 and c=12
  36. Algebra Check

    (d^7)/d Answer: d^6
  37. math

    m - 7 <6 m < -1 *** m > 1 m < 13 m < -13 please check my answer!!!!!!
  38. Aljebra

    Can someone check for me thanx 16 ÷ (8)(2)-12÷[6-2]+6÷(4-2) My answer is 1
  39. please check

    (2x)^5 (3x)^2 Answer: 288x^7
  40. Algebra: Answer Check

    K(x) = -3x^4 + 5x^3 - x + 7 for x = -2. K(-2) = -79
  41. math

    P=2L+2W+L Please check my answer L=P-2w/2
  42. Calculus

    Solve the initial value problem 2y" + 5y' - 3y = 0 y(0) =7, y'(0) = 7 Can someone please help. The answer I came up with is 35 exp(-x) - 28 exp(-3x/2), but my answer is wrong.
  43. Calculus

    Need help to find dy/dx: 1) y = (sin x) ^-1/3 answer dy/dx = - 1/ 3(sinx) ^4/3 2) y = sqrt 8 + sin(6x) answer - lost
  44. Social Studies

    Please review the question and check my answer below. Thank you tutors. Q: Which of the Big 5 companies were started by missionaries or their sponsors? My answer: Alexander & Baldwin & (and) Castle & Cooke. I also got my answer from a reading I was given
  45. English

    Hi! 3. Choose the answer that best matches the word in quotation marks. John offered his wife a red rose as a sign of "appeasement" for their earlier disagreement. This means he wants (1 point) a) to demonstrate the disagreement is unresolved. b) to please
  46. Chemistry

    please check my answers for the following questions. 1) when a measurement that has six significant digits is divided by a measurement that has three significant digits, how many significant digits should the answer have? ANSWER: 2 2) How many hydrogen
  47. Health care

    Please check my answer thank you :) Verifying the accuracy of ICD-9-CM and HCPCS codes is an important function in 1.maintenance of charge masters 2.maintenance of the OASIS data set 3.blended payment I think that the answer is 1.
  48. Physics -- check answer please

    Refraction is: a) the way light behaves when it goes through a narrow opening b)the way teo light sources interact to produce interference patterns c) the absorption of one component of the electric field d) none of the above are correct my answer: d
  49. transformations

    I was wondering if someone could check my answer to see if I'm doing this type of tranfomation right. The question is The graph of f(x) =|x| is compressed vertically by a factor or 1/2, then reflected in the x-axis and translated 4 units to the right and 5
  50. Math

    40,50,60,70,80,90,100,110,120,130 according to the box and whisker plot shows above what are the following: 1.the median? 2.the 25th percentile? 3.the value of the third quartile? 4.the minimum value? 5.the maximum value? My answer 1.85 2.40 3.112.5 4.40
  51. chemistry (Pls Bob check for me)

    what mass of 25% ba(n03)2 solution contain 40 grams of ba(n03)2 ? Answer 160g My calculation 40g/261.37g/mol = 0.15305/0.25g = 0.612 This answer is not right Who helps
  52. Physical Science

    Hello! Thanks for checking my question out! ____ Fill in the Blank 10. The _______________ theory of matter states that all particles of matter are in constant motion. (1 point) My Answer: kinetic Could someone please check my answer? Thanks! - Da Fash
  53. chemistry (Pls Bob check for me)

    A 1.2g mixture of na2c03 and k2c03 was dissolved in water to form 100cm3 of s solution, 20cm3 of this solution required 40cm3 of 0.1N hcl for neutralization. Calculate the wieght of na2c03 and k2c03 in the mixture The answer 0.4G My own calculation: na2c03
  54. Rational Inequities

    Can you please check my answers? Solve the rational inequality and graph the solution set on a real number line. Express the solution set in interval notation. x-2/x+1 <0 my answer: (-infinity,-1) u (2, infinity) -x+8/x-3 > or equal to 0 my answer:
  55. Math Inequalities

    -9/8x greater than or equal to -1/16 can someone please check my answer? my answer is x greather than or equal to 1/18 is this correct? if not what is the correct answer and what is the correct way to solve this problem..maybe I missed a step or did not do
  56. Math - check answer

    Given v = 2t3 + 87t2 - 636, determine the acceleration for t= 1 s. acceleration in m/s2 = My Answer v'= 6t^2+174t V"= 12t V"(1) = 12 acceleration in m/s2 = 12 Can you please confirm this is correct.. Thanks!
  57. Precalculus

    1. Determine the interval(s) on which x^2 + 2x -3>0 a)x<-3, x>1 b)-3<x<1 c)x<-3, -3<x<1, x>1 d) x>1 Answer is D, x>1 --------------------------------------- 2. Determine when the function f(x)= 3x^3 + 4x^2 -59x -13 is
  58. Math Please Check!!

    Please check my answer to see if I got it right. Thanks. Braden has 1 hour of math homework to do. He spends 2/5 of this time complaining about how much he hates math, 1/3 of the total time looking for his calculator. How much time does Braden actually
  59. Calculus

    f(x)=[sqrt((x-68)^2 + x^3-116x^2-417x+267460)] - 10 To find the minimum value of we need to check the value at the following three points (in increasing order). (You will need to use a numerical method, like Newton-Raphson to find one of these points.)
  60. Math - Check My Answers, Please

    Please help me by checking the following answers for me. 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 shown? Given √(4x-6)=12, I square both sides, so
  61. French

    Could you please check these thanks. Directions: Complete with the verb mettre. 1. Qu'est-ce qu'ils -------- dans leur sac à dos? Ils ------------ Answer 1: mettent Answer 2: mettent 2. Qu'est-ce que tu --------- dans ton sac à dos? Je ---------- Answer
  62. Algebra - please check my answer for me

    The population increased 80 percent in 5 years. The current population is 18,000. find five years ago. 18,000 * 0.80 = 14,400 18,000 - 14,400 = 3,600 3,600 is the population five years ago? to check: 3,600 * 5 = 18,000 Is 3,600 the correct answer. Was this
  63. Algebra 1--Please, check my answer!

    1. A city map is laid out on a coordinate plane. Elm Street is described by the line x + 2y = -6. Oak street intersects Elm Street at an right angle. Which of the following could be the equation for Oak Street? a. 2x + y = 5 b. -2x + y = 3 c. x + 2y = 4 d.
  64. chemistry check my answer

    In an acid base titration 32.5 ml of sodium hydroxide were neautralized by 17.6 ml of 0.180 mol/l sulfuric acid. Calculate the concentration of the sodium hydroxide. I asked this question earlier but i wanted to make sure i got the right answer My answer:
  65. Math

    help with these questions~ Thank you 1. Determine the interval(s) on which x^2 + 2x -3>0 a)x<-3, x>1 b)-3<x<1 c)x<-3, -3<x<1, x>1 d) x>1 Answer is D, x>1 --------------------------------------- 2. Determine when the
  66. algebra

    Could you please check my answer to this problem: Simplify the expression Original problem: (3x^2+10x-8)/(3x^2-17x+10) x (2x^2 + 9x -5)/(x^2 + 3x-4) The answer I got was: (3x +4)(x-2)/ (3x-2)(x-5) x (2x-1) ( x +5)/ (x +4) (x-1) so basically the problem
  67. math

    Can somone check this for me. Directions: Identify the property that is used. (1) 5+(6+7)=5+(7+6) My answer: The commutative property of addition (2) 4 x(3+2)=(3+2) x 4 My answer. The communtaive property of multiplication right on both.
  68. Math - check answer

    Given v = 4t - 9t3, find the acceleration when t = 1 s. acceleration in m/s2 = My Answer V'=4-27t2 V"= -54t V"(1)= -54 acceleration in m/s2 = positive 54 Can you please confirm this is correct???? Thanks
  69. Fitness (Check answers)

    1) Sitting in class wearing ear buds during a lecture is effective listening. TRUE OR FALSE ~ (my answer is FALSE) 2) Defense mechanisms should be used as often as possible to deal with uncomfortable emotions. TRUE OR FALSE ~ (my answer is FALSE) 3) Daily
  70. Calculus

    The problem with these two questions is that I cannot determine the a and r. The 3rd question-I don't know what I did wrong. Thanks for the help! Tell whether the series converges or diverges. If it converges, give its sum. infinity (sigma) sin^n (pi/4 + n
  71. Spanish 3 Homework

    Hi! Can someone check these for me to see if I'm doing them right? Thank you! Directions Re-write the commands in Spanish using object pronouns. Also, the words in parentheses are saying who you are talking to. 1.) (sister) Wash the dishes for me! My
  72. calculus help check and help

    if an object with mass m is dropped from rest, one model for its speed v after t seconds, taking air resistance into account is v= mg/c(1-e^(-ct/m)) where g is the acceleration due to gravity and c is a positive constant describing air resistance. a)
  73. Calculus - Second Order Differential Equations

    Solve the initial-value problem. y'' - 2y' + y = 0 , y(2) = 0 , y'(2) = 1 r^2-2r+1=0, r1=r2=1 y(x)=c1*e^x+c2*x*e^x y(2)=c1*e^2+c2*2*e^2=0 c1=-(2*c2*exp(2))/exp(2) c1=-2*c2 y'(x)=-2*c2*e^x+c2*e^x*(x-1) y'(2)=-2*c2*e^2+c2*e^2*(2-1)=1 c2(-2e^2+e^2)=1
  74. Inequalities Answer Check

    1. 2n > 14 Answer: n > 7? 2. (n/5)≥ 11 Answer: n ≥ 55 3. -3y ≤ -18 Answer: y ≥ 6
  75. Agility Training

    please check my answer thanks :) A run-out occurs when a dog A. runs off the course. B. jumps off an obstacle. C. must turn back to complete the next obstacle. D. takes an obstacle out of sequence My answer is D
  76. Physics -- check answers please

    1. If 31 waves pass by a point in 1.7 s, what's the frequency? my answer: 18.2 Hz 2. if a crest with an amplitude of 7cm interferes with a trough with an amplitude of 10 cm, the resulting wave has an amplitude of: my answer: -3
  77. Language Arts

    according to "happiness is a charming charlie brown at orlando rep,) how do the technical aspects of the play compare with the performers? A) they do not achieve the same quality B) they are equally as good C) they overshadow them D) they are much more
  78. History

    Can someone help me? I need to check my answer. Due to inequality and unfairness, Thurgood Marshall argued that.. A: "separate, but equal" must stand. B:he should join the Supreme Court C: Linda Brown should attend a black school D: it is important to
  79. Physics =Please check

    You're on planet YZ and an astronaut observes that a 1.0 m long pendulum has a period of 1.50s. What is the free-fall accerlerttion on YZ? I know the answer is 17.6 because I worked it backwards but if the answer was given, I wouldn't know how to change
  80. Biology

    Please check my answer: Which of the following statement is not true? 1). Mitosis produces new nuclei with exactly the same chromosomal endowment as the parent nucleus. 2). Mitosis may occur without cytokinesis 3). Mitosis and cytokinesis are required for
  81. Please Help!!!!!!

    Decide whether the following problem can be solved using precalculus, or whether calculus is required. If the problem can be solved using precalculus, solve it. If the problem seems to require calculus, explain your reasoning and use a graphical or
  82. french

    Can you check these. Thanks Un petit accident (Fill in the blanks) 1. Il a eu un petit ---------. Answer: accident 2. Qu'est-ce qui lui est -------? Answer: arrivé 3. Il a ------ sur une peau de banane. Answer: glisse 4. Sur une peau de banane? Et il est
  83. Math

    1. Michael Koepler received his bank statement and canceled checks for October. His previous balance was $998.41. In October, he deposited $177.00 and wrote checks totaling $378.00. What was the ending balance for that month? MY ANSWER- I am unsure if the
  84. Pre-Calculus

    Solve the equation on the interval [0,2pi). 2sin^2x-3sinx+1=0 (2sinx+1)(sinx+1) I don't think I did the factoring correctly. When I multiply it out to double check I get 2sin^2x+3sinx+1
  85. Calculus

    Oil is leaking out of a ruptured tanker at a rate of r = 19e^(2t) gallons per hour. Write a definite integral that represents the total quantity of oil which leaks out of the tanker in the first 3 hours. Using your formula answer the following questions:
  86. French part 2

    Could you check these please thanks Directions: Choose the correct verb to complete each phrase. Here are the verbs you can choose: passer, enregistrer, sortir, remplir, servir, choisir, and attacher. 1. -------- une place coté couloir. Answer: Choisir 2.
  87. Algebra; check please?

    A television has a diagonal of 10 inches and a width of 8 inches. what is it's height? i think the answer is nine inches, am I correct? If I am not how do I find the answer?
  88. biology /check please

    1-What phase are daughter cells in as a result of mitosis? -Anaphase 2- During what phase of mitosis do centromeres divide and the chromosone-mes move toward their respective poles? -prophase 3- Wchich phase of mitosis is the last phase that chromatids are
  89. Theories of Child Development

    Which of the following is most likely to be a result of a school-age child left unattended at home? A. Obesity B. Loss of friendships C. Inability to complete homework assignments D. Psychological harm My answer is D Can someone check my answer.
  90. Chemistry

    The emission of high energy particles from the nucleus of an atom is called A. radioactivity B. electromagnetism C. transmutation D. radioactive dating I said A. as my answer. The definition of radioactivity is worded differently in my book though so I
  91. Agility training

    please check my answer thanks :) Which one of the following acts is considered a fault on a broad jump? A. Moving one of the planks B. Touching the front edge of the first board C. Entering between the marker poles D. Knocking over a corner marker My
  92. Math

    Hello! The question I'd like someone to check is, A teacher brings 3 gallons of juice on a field trip. There are 36 students on the trip. a. How many fluid ounces of juice does the teacher bring? Show your work. There is a part b, but I'm only working on
  93. Statistics Homework Check

    Hi! I had this one last question on my homework that I wasn't sure about, but, I need someone to check this for me and see if this is right. Thanks so much! Question: The study that looked at prevalence of various appliance in homes in 2001 made a
  94. Statistics Homework Check

    Hi! I had this one last question on my homework that I wasn't sure about, but, I need someone to check this for me and see if this is right. Thanks so much! Question: The study that looked at prevalence of various appliance in homes in 2001 made a
  95. calculus

    is average rate of change and average value the same or will you get a different answer for each this is calculus so it's the mean average. it's using the formula and integrating. I don't understand your question, but I can assure you that average rate of
  96. education

    1.Transition planning for children with special needs should focus primarily on: a.maintaining continuity of services b.getting the child ready for school c.the family's needs d.the child's needs. My answer is d.the child's needs. Will someone please check
  97. Math(answer check)

    1. Find the modulus and argument of the following complex numbers, and write them in trigonometric form: a. 5 – 8i Answer = Sqrt{89} ( cos (-1.01219701) + i sin ( -1.01219701)) b. –1 – i answer = Sqrt2 (cos (5pi/4) + i sin (5pi/4)) c. –5 + 12i
  98. dog behavior

    pleaplease check my answer thanks so much Which of the following best describes when extinction occurs A When a CS is repeatedly presented and periodically followed by a US B When a CS is repeatedly presented without the presention of a US C CS and US are
  99. Basic Math

    I forgot how to solve for two variables... Please check if I solved both problems properly! Thank you. Equations: (solve for t and z) 12t + 4z = 80 2t + 4z = 20 My answer: t = 2, z = 14 The steps: (simplified it) z = 20 - 3t, z = 5 - 0.5t (equated both
  100. Introduction to Graphic Design

    Hello! Thanks for checking my question out! ____ Image URL: h t t p s : / / p r n t . s c / g n n q p 6 Use the image to answer the question. 4. Under which of the following categories does the artwork fall? (1 point) a) abstract painting b) portrait c)