Calculus (Answer Check)

88,628 results, page 10

  1. math

    can you check if answer is right? a^2b -c when a=4 b=8 and c=12
  2. beginning algebra-check my answer

    [(x^2-1)/(x-3)] / [(x^2-x-2)/(3x-9)] I get (3x-3/x-2)
  3. math

    Check my Answer Ms.Sue
  4. math

    P=2L+2W+L Please check my answer L=P-2w/2
  5. Math 8 - HW. Qs. Check

    12 + v/2 = 17 My Answer - 10 right?????
  6. Algebra 1

    Solve. Check your answer. 1. ((3x-7)/(x-5)) + ((x)/(2)) = ((8)/(x-5)) A: ?
  7. Algebra 1

    Solve. Check your answer. 1. ((d + 2)/(d + 8)) = ((-6)/(d + 8)) A: ?
  8. Algebra Answer Check

    (7x^3 + 2x - 1) + (8x^2 - 6 + 2x - x^3) Ans: 6x^3 + 8x^2 + 4x - 7
  9. Chemistry

    Can you check my answer for the PH question @12:04 11/20?
  10. tenant relations

    check my answer 1-b 2- a 3- b 4- b 5- a
  11. precalc (check answer)

    l(x)=3-x^2 l(x)=7 x=-2 am i correct?
  12. math

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

    if p=8 evaluate 4^2/p•3 2 3 6<---- 8 Check my answer
  14. Aljebra

    Can someone check for me thanx 16 ÷ (8)(2)-12÷[6-2]+6÷(4-2) My answer is 1
  15. 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) , me lavo los dientes. ...
  16. Algebra

    In an interview of 50 math majors, 12 liked calculus and geometry 18 liked calculus but not algebra 4 liked calculus, algebra and geometry 25 liked calculus 15 liked geometry 10 liked algebra but neither calculus nor geometry 2 liked geometry and algebra but not calculus. Of ...
  17. Calculus Check

    The region R is bounded by the x-axis, x = 1, x = 3, and y = 1/x^3. Here is what I have so far: Radius = 1/(x^3) Area of Cross Section = pi(1/(x^3))^2 Simplified: pi(1/(x^6)) Volume = (definite integral from 1 to 3) pi(1/(x^6)) dx = pi( -1 / 5(3)^5) - pi(-1 / 5(1)^5) = pi (-1...
  18. math.can someone check my answers?

    can someone check my math answers its only 5 questions thanks. please check my answers ! 21. Find the unit price for each option shown below. Round to the nearest cent when necessary. Indicate which option is the better buy. Option I: 10 candy bars for $6.75 Option II: 12 ...
  19. 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 problem done correctly?
  20. 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
  21. Spanish-Please help!!

    Hi I posted early and got a response but the correction suggested can't be corret. Could someone please check these answers-I had to answer in past tense-- Could some one please check these-I had to answer them in the past tense which is still confusing me-I think most of them...
  22. Calculus, check my answers, please? :)

    Okay, so I think these are right, but I would appreciate if someone could check them and tell me if something is wrong and what the right answer is. I'd also appreciate an explanation if possible. :)Thank you! 7. Given that f(x)={x^3 if x ≥ 0 {x if x < 0 which of the ...
  23. Social Studies check my answers please

    1. Who invented the sewing machine? A.Elias Howe******* B.Robert Fulton C.Samuel Morse D.John Deere Answer A. 2. By 1860 the Midwest and the east were united by a network of_____? A. Roads B. Railroad tracks**** C. Canals D. Steam-powered ships Answer B 3. Which invention ...
  24. Math - Answer Check

    Write the composition function and then find the value. f(x) = 2x+3 g(x) = x^2 k(x) = square root(x - 4) 1. g(k(x)) g(k(20)) My answer: Function is x - 4, the value is 16. 2. f(g(x)) f(g(2)) My answer: Function is 2x^2 + 3, the value is 11.
  25. English

    1. You need to check the time. (What kinds of time should be checked acording to the sentence? Does ' check the time' have a lot of meaning according to the context? Does it also mean "Check what time it is now.?"
  26. Calculus, Riemann Sums

    Measurements of a lake’s width were taken at 15-foot intervals, as shown: x= 0 15 30 45 60 75 90 105 120 f(x)= 0 15 18 20 19 23 24 22 12 Estimate integral (0,120) f(x) dx with n = 4, using Midpoint approximation. For this question, I ended up with 7200 but compared to the ...
  27. College Algebra~ Check answer please

    Can someone check my answers please. The formula for calculating the amount of money returned for an initial deposit into a bank account or CD (certificate of deposit) is given by A=P(a+r/n)^nt A is the amount of the return. P is the principal amount initially deposited. r is ...
  28. calculus

    Find the linearization of the function below at x = π/3.? y=sin(x)/x Your answer should be a linear function of x where the coefficients are accurate to at least two decimal places. You can enter π in your answer as "pi" (without the quotes). I am not able to figure ...
  29. Math URGENT!

    the roots of a tree are 1/8 of the tree. they are 0.87 m. how tall is the tree? my answer: 0.87 x 7 = 6.09 m please check if my answer is right thanks :)
  30. Reading plz check my answer!!?

    Which words of the singer in "The Weary Blues" show his communication about life? "I's gwine to quit ma frowning" "And put ma troubles on the shelf" <-my answer "And I wish that I had died" "Ain't got nobody but ma self"
  31. Math

    Please double check In a bottling company, a machine can fill a 2-liter (l) bottle in 0.5 second (s) and move the next bottle into place in 0.1 s. How many 2-l bottles can be filled by the machine in 2 h? Answer: 1.00 or 0.20 A circular coffee table has a diameter of 5 ft. ...
  32. 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.
  33. Agility Training

    Please check my answer thanks:) During a USDAA agility trial, a dog exits the entrance of a tunnel. What is this type of error called? A. Wrong course B. Fly-off C. Run-out D. Refusal My answer is D
  34. 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
  35. Language Arts

    The narrator of stolen day says his family often laughs at him.How does he react when they do? A.He wishes he were an orphan. B.He dislikes everyone he knows. C.He appreciates the attention. D.He dislikes being teased. My answer is D. can you please check my answer?
  36. Anatomy and Physiology

    Hello! Thanks for checking my question out! ____ 6. Appositional growth ends in (1 point) a) infancy. b) adolescence. c) early adulthood. d) late adulthood. My Answer: C Could someone please check my answer? Thanks! - Da Fash
  37. accounting for investments

    Can someone check my answers. -For each of the following eight situations, select the best answer concerning accounting for investments: (A.) Increase the investment account. (B.) Decrease the investment account. (C.) Increase dividend revenue. (D.) No adjustment necessary. 1...
  38. calculus

    If 800 feet of fencing is used to enclose a rectangular plot of land that borders a river, what is the maximum area that can be enclosed? Answer to the nearest square foot without commas. For example, if the answer is 1,000, write 1000.
  39. chemistry

    AgCl <==> Ag^+ + Cl^- NaCl ==> Na^+ + Cl^- Ksp = (Ag^+)(Cl^-) = 1.8 x 10^-10 Let S = solubility of AgCl, then (Ag^+) = S (Cl^-) = S+0.01 Solve for S. Note: A similar problem to this post (0.1 M NaCl instead of 0.01 M NaCl) was on a couple of days ago; the one who ...
  40. precalculus

    Can you please check my answers? 1.Find Pk + 1 if Pk=2^K-1/k! answer: 2^k+1/(k+1)! 2.Find Pk + 1 if Pk = 7 + 13 + 19 + ...+[6(k - 1)+1] + (6k + 1) answer: 7+13+9...(6k-1+1)+6k+1 +(6k+2) 3.What is the first step when writing a proof using mathematical induction? answer: Find ...
  41. 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 Missouri? Answer: Jefferson ...
  42. 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 1: mets Answer 2: ...
  43. French

    Can you check these. I'm not really sure how to do these so I need a little help and examples. Part 1: Des promoms interrogatifs et relatifs Complétez en utilisant qu'est-ce qui ou qu'est-ce que. 1. ---------- se passe? Answer: Qu'est-ce qui 2. ----------- est sur la table? ...
  44. math

    Please double check In a bottling company, a machine can fill a 2-liter (l) bottle in 0.5 second (s) and move the next bottle into place in 0.1 s. How many 2-l bottles can be filled by the machine in 2 h? Answer: 1.00 or 0.20 A circular coffee table has a diameter of 5 ft. ...
  45. Algebra

    I am having issues with factoring. I am trying to check my work using a TI84 Plus calculator but I don't know how to plug in a problem to check its factoring. Can anyone help? for example 44y^3+55y^2-11xy how can I go about plugging that in to check my work?
  46. Calculus

    I would like to make sure my answer is correct: Question: the base of a solid is the triangular region with the vertices (0,0), (2,0), and (0,4). Cross sections perpendicular to the x-axis are semicircles. Find the volume of this solid. My Work: ∫[0,2] (pi/2)(r^2)dx r = (-2x...
  47. language art CHECK

    Will somebody please check this for me and see if i used the words correctly please? Having spent many years as political opponents, the two senators have developed a(n)MUTUAL respect for each other. Please check if it is correct. thank you
  48. english

    30-day Money Back Guarantee Groom Co. electric shavers come with a 30-day money back guarantee. The only stipulation is that you use your new exclusively for 2 weeks to become accustomed with the product. If you are not satisfied, we will refund the amount on your receipt if ...
  49. Math

    I just wanted to double check that I am correct. Answer is in Interval Notation. 1. Solve: |x|<7 Work: -7>x<7 Answer: (-7,7) 2. Solve: |x|>_ 7 Work: -7<_ x >_ 7 Answer: ( - infinity sign, -7] U [7, infinity sign)
  50. Math

    Please help me with the following by checking my answer. The length of the hypotenuse of an isosceles right triangle is √6 inches. How long, in inches, are the legs of the triangle? A. 3 B. 6 C. √3 - (This is my answer.) D. √6 I am not sure on my answer, ...
  51. Maths

    i have an answer but im not sure if its right would you tell me please and show me the steps of how to work through the question make f the subject 7f-5=3g(2f+h) my answer was f=-h-5/3g-5 and i simplified that to f=-h/3g thanks for any help you can give me 7f= 6gf + 3gh +5 f(7...
  52. Java Programming I

    Hello! Thanks for checking my question out! ____ 2. If x is an int, which of the following statements adds 5 to the current value of x and stores the new value back in x? (1 point) a) x = 5; b) x + 5; c) x =+ 5; d) x += 5; My Answer: D Could someone please check my answer? ...
  53. Geometry

    Hey! Thanks for checking my question out! ____ 5. In an isosceles triangle with two congruent sides, the angles across from the legs are called ________ angles. My Answer: base Could someone please check my answer? Thanks! - Da Fash
  54. Chemistry

    Can you please someone check my answer for me? a)Determine the number of grams in 0.750 moles of the compound Iron(II)phosphate: Fe3(PO4)2. Answer: b)How many atoms of iron are in 0.750 moles of the compound Iron(III)oxide? Answer:
  55. algebra

    please check and correct thanks Problem: solve and check the inequality if possible |4F+8|< 12 positive: negative: |4F+8| < 12 |4F + 8| < -12 4F + 8 -8 < 12 - 8 4F +8-8 < -12-8 4F < 4 4F< -20 F < 1 F< -5 solutions 1 and -5 or -5 < F < 1 check ...
  56. Fitness (Check answers)

    6) Gang member often have weapons and are involved in violence. TRUE OR FALSE ~ (my answer is TRUE) 7) Being disruptive in class and getting angry easily could be sign of abuse. TRUE OR FALSE ~ (my answer is FALSE) 8) People with high self-esteem are prone to depression. TRUE ...
  57. Spanish-Anoher question-Please check my answer for

    ¿Qué quieres comer hoy? Would I answer this-Quiero comer en el restaurante hoy. Thank you
  58. Physics -- check answer please

    Light travelling in water is incident on air refracts at an angle of 27 degrees. What is the angle of incidence? my answer: 37 degrees
  59. Algebra check

    Where appropriate, include the approximation to the nearest ten-thousandth. 27.) log x = -3 I have the answer as 1 28.) 7 ^(4-9x)= 49 I have the answer as 2/9 29.) 8^x =5.2 not sure 30.) 1n x=5/8 not sure Are these answers right?
  60. Math - Please Help Check My Answer

    Please help me with the following question: A student attempts to solve for c in the equation below. Which statement best applies to the work shown below? 3c + 6 - 4c - 12c = 7 -13c + 6 = 7 -13c + 6 + (-6) = 7 + (-6) -13c = 1 c = -1/13 A. The student followed all rules ...
  61. Calculus

    "Find f'(a) for f(x)=(1+2x)/(1+x)" I got 2, but the answer is 1/(1+a)^2. How do I get that??
  62. Calculus

    need answer to find dy/dx y=e^2x+3*e^x-1
  63. calculus

    limit of (|x+h|-|x|)/h as h goes to 0 at x=4 why is the answer 1?
  64. Calculus

    lim (sin 4x/3x) x->0 Is the answer 4/3 or -3/4?
  65. Calculus

    If a(0,-1,3)+b(1,1,1)-c(1,2,5)=(-2,3,-8), determine a,b,c Is this the correct answer: a= -4, b= -3, c= -1?
  66. calculus

    x^4 + 2x^2 + 1 = 0 (x^2)^2 +2x^2 +1 = 0 (x^2 + 1)^2 = 0 I don't know where to go now although I know the answer is x = i, -i
  67. arithmetic

    Hi can anyone help with fraction?? I want to check my answer: 1 1/2 x 1/4= 3/8 Thank you Ash
  68. Algebra 1

    (4x^6-7)(x^8-4) = 4x^14-7x^8-16x^6+28 Check my answer please.
  69. Algebra

    Factor. v^2+12v+36 my answer was (v+6)^2 Can you check this for me.
  70. math

    Please check problem 3y - 2 > 12 - 5 y answer y > 7/4
  71. Math

    Please check this problem -5x > 30 answer x < -6
  72. math

    Please check problem 4 x + 7 < 8y - 1 answer x > 2
  73. math

    please check this problem 2x + 5 < 7 answer x < 1
  74. Math check

    Solve: 3x^2-11=0 Is the answer" +- sqrt 11/3?
  75. Math Check

    Multiply 1)8t^2(t-t^2+7t^3) My Answer: 8t^3+-8t^4+56t
  76. math

    Can you check my work? (4+16)- 20+7= The answer is either 7 or -7?
  77. Pys. Science(check answer)

    .263degrees C
  78. Algebra

    Solve the equation and check your answer (q+9)/5 + (q-2)/2 = 11/5
  79. ALGebra

    Can you check 2x + 3 (x-2) -3 (x-6) I got 2x+3x-6 -3x+18 2x+3x-3x= 2x -6+18 =12 Final answer : 2x+ 12
  80. alg 2 check?

    (4x+y)^2 answer:16x^2+y^2 is this correct?
  81. Algebra 1 Answer Check

    Factor each trinomial. 1. -2x^2 + 5x + 12 A: -1(2x + 3)(x - 4) 2. 4a^2 + 8a - 5 A: (2a -1)(2a + 5) 3. -4x^2 - 8x + 5 A: -1(2x - 1)(2x + 5) 4. -5x^2 + 7x + 6 A: -1(5x + 3)(x - 2)
  82. Algebra 1 Answer Check

    Factor this trinomial. 9x^2 - x + 2 A: (3x + 2)(x - 1)
  83. Math (check answer)

    find [7] A.1/7 B.-7 C.7 D.0 i pick 7.
  84. Algebra 1--Please, check my answer!

    Solve. 1. ((3)/(s-6)) = ((4)/(s)) + ((1)/(2s))
  85. Algebra 1--Please, check my answer!

    Solve. 1. ((3)/(a-4)) = ((a) / (a-2)) A: a = 6 or a = 1
  86. Algebra 2 Answer Check

    Solve. 2x + 4(x + 1) = 6(x + 2/3) A: No solution.
  87. Algebra: Answer Check

    1. (4i) + (2 + 8i) = 2 + 12i 2. 6i + 4i = 10i
  88. math

    find the quotient then check your answer 3/14.1
  89. Mathematics

    Which equation has (2,-1) as a solution. Y=2x - 1•• Y=x + 3 Y=x - 3 Y=-2x+1 Check my answer
  90. Mathematics

    Find the slope of (2,3) and (-2,1) -2 2 -1/2•• 1/2 Check my answer
  91. Math check

    What is 6 5/6 - 5 1/2 This is my answer:1 2/6 or simple form: 1 1/6
  92. 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) calculate lim t->...
  93. Please check answers)

    Perform the indicated operations and simplify the result. Leave your answer in factored form. 1) x/16 - 1/x all over 1 + 4/x A) x+4/16 B) x-4/16 C) 16/x+4 D) 16/x-4 E) -16/x+4 I chose answer C. I saw this as x^2-16/ x+4. Multiply the following using the FOIL method. Express ...
  94. calculus

    The function f is continuous on the closed interval [0,2] and has values that are given in the table below x = 0| 1 | 2 ____________ f(x) = 1| k | 2 The equation f(x) = 1/2 must have at least two solutions in the interval [0,2] if K = ? The answer is 0, but there is also a ...
  95. Math median

    please check my answer thanks :) find the median of following numbers 463 582 401 533 457 514 and 438 my answer is 463
  96. please check my answer med reimbursement

    Please recheck my answer thanks The Americian Associaton of Labor Legislationimplemented fee schedules True or False I said True
  97. Algebra

    Please Solve: 4-x=-5 I thought the answer was -9 but that doesn't seem to be it. Can someone please help? Thanks! This is what I have: 6. 4-x=-5 The problem to solve is: 4-x=-5 Subtract 4 from both sides x = -9 Then divie by -1 Would the answer be 9? To Check: 4- - 9 = -5
  98. Math

    Please help me with the following by checking it. Solve for x: √(2x^2+5)=2 A. ±1 B. √2 - (This is my answer.) C. ±2 D. None of the above. I am not sure about my answer, can someone check it please. Any help will be greatly appreciated.:)
  99. Earth Science

    If atmospheric pressure is 30.40 inches of mercury, what is the air pressure in millibars? (1)1016 mb (2)1028.3 mb (3)1029 mb (4)1029.5 mb I think that the answer is either 2 or 4, could you check my answer?
  100. Algebra check

    Convert to Logarithmic equations. 10. 4^-3 =1/64 I have the answer as log4 1/64 =-3 11. 144^1/2 =12 I have the answer as log 144^12 =1/2 Are these answers right?
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