Calculus (Answer Check)

88,790 results, page 98

  1. English

    From reading "Birches," we can conclude that the speaker is a(n): A: Boy B: Birch tree C: old man D: girl on her hands and knees Answer : A ? "Song" makes extensive use of : A: assonance B: personification C: rhyme D: onomatopoeia Answer: C "The creation" can be classified as ...
  2. Organich Lab Help Please!!!!!!!!

    a) You use 100 ml ethylchloride (density 0.92 g/ml) to extract 25 ml ethylene bromohydrin (density 2.41 g/ml) mixed with 100 ml. Is the aqueous layer the lower or the upper layer. How could you easily test this. ----- Ethylchloride is less dense so it is the top layer Ethylene...
  3. reading

    tread (tred) v. 1. to set the foot down; walk; step 2. step heavily; trample. n. 1. the part of the tire or wheel that presses against the ground 2. grooves cut into the face of a tire. [Old English treadan to tread] 11. What is the purpose of the bracketed information in the ...
  4. algebra

    1)Simplify:(6x^3-16x^2+11x-5)/(3x-2) answer= 2x^2-4x+1-3over3x-2 2)Factor 27x^3-1 completley. answer= (3x-1)^3 if this isnt correct,im not sure how to solve it b/c this makes the most sense to me. 3)Simplify: x^2-3x-28 over x^2-9x+14,assume that the denominator is not equal to...
  5. PE CHECK ANSWERS

    15. Who should address the needs of a patient with a mental disorder? A. speech therapist B. An internal Medicine Doctor C. A mental health Professional*** D. A medical intern 12. If you've started a lot of hobbies all at once, you should watch out for clinical depression to ...
  6. Inflection and concavity

    Consider the function f(x) = 2 x + 3 x ^ { -1 }. Note that this function has no inflection points, but f''(x) is undefined at x=B where B= 6/x^3(my answer) For each of the following intervals, tell whether f(x) is concave up (type in CU) or concave down (type in CD). (-\infty...
  7. Critical Thinking

    As answered several times before -- Posted by Ms. Sue on Tuesday, June 20, 2006 at 9:47am. Check these sites to help you answer your question. (Broken Link Removed) http://en.wikipedia.org/wiki/Rhetoric ----------------------- Posted by Ms. Sue on Monday, July 10, 2006 at 6:...
  8. English

    Could you please check these sentences? Thank you. 1) Looking to receiving some good news from you, I take the opportunity to wish you all the best for the new year. 2) In picture A I can see a Latin American teacher explaining things to a class of students. She is probably ...
  9. Plz Check my Geometry (Urgent)

    ***I know I've posted this several times but it's like getting skipped and or no one has gone over it so I'm posting it one more time before I go to bed. I need to have these checked by tommorrow PLEASE!*** Out of 31 questions these are ones I struggled with. after the = sign ...
  10. college pre-calculus

    simplify: square root (4/3)-square root (3/4) A. 2-sqaure root(3)/2 square root (3) B. square root (7/12) C. square root (3)/6 D. 2/square root (3) which answer? this is what i got square root (16/12)- square root (9/12)= square root (7/12)
  11. science

    answer check?? 1) What two tissues are found within a vein? Xylem and Phloem. 2) What does the word "Mesophyll" mean? Middle Leaf. 3) What two layers of the plant contain chloroplasts? Palisade layer and Spongy layer. 4) The outermost layer of a cell: Epidermis. 5) The waxy ...
  12. CHEMISTRY

    ******* Please check. Also check sig figs. Ion Concentrations 1.) A solution is prepared by dissolving 5.00 g of stannic nitrate in enough water to make 250.0 mL of stock solution. A 15.0 mL aliquot (portion) of this stock solution is then removed and added to 75.0 mL of water...
  13. Math

    The maximum possible score in an exam was 80 and all questions carried equal weightage. For each correct answer 4 marks were awarded whereas for each wrong answer 1 mark was deducted. For no answer, the marks remained unchanged. A student got 57 marks in which he failed to ...
  14. chem

    How much heat is required to raise the temperature of 200 g CH3OH from 20 to 30 degrees and then vaporize it at 30 degrees. The molar heat capacity of CH3OH is 81.1 J/Mol/K. Okay...the answer is approximately around 254. It was a homework problem. The question is how do you ...
  15. Math

    The maximum possible score in an exam was 80 and all questions carried equal weightage. For each correct answer 4 marks were awarded whereas for each wrong answer 1 mark was deducted. For no answer, the marks remained unchanged. A student got 57 marks in which he failed to ...
  16. Math

    The maximum possible score in an exam was 80 and all questions carried equal weightage. For each correct answer 4 marks were awarded whereas for each wrong answer 1 mark was deducted. For no answer, the marks remained unchanged. A student got 57 marks in which he failed to ...
  17. Calculus

    The ideas we are practicing in these exercises can be put to practical use. A calculus teacher's son likes to shoot arrows. He was wondering at what speed the arrow leaves the bow when it is released. So they went to a large deserted beach at the Great Salt Lake and shot the ...
  18. Math

    Carson said that when you divide two negative decimals the answer will be greater than 0. Use these numbers to answer the questions: –7.2, –2.4, –1.6, –0.8 Is Carson’s statement always true, sometimes true, or always false? Write two equations to support your answer.
  19. Geography

    How do I calculate gradient when I end up with and odd number: I understand the example, which ends up 80m/1600m = 1/20 therefore the answer is 1:20. However what do I do when I have an answer like 637/2200, which is an odd number, how does this then translate or do I leave ...
  20. physics

    A 10 ohms resistor has a constant current. If 1200C of charge flow through it in 4 minutes what is the value of the current? A) 3.0 A B) 5.0 A C) 11 A D) 15 A E) 20 A ok I used the I=Q/t, 1200C/240s to get 5A which is an answer. You said I was right but when I look back on the...
  21. Algebra II

    Find the exact solution to 6x^2+1= -8x by using the Quadratic Formula. Answer: -4 +/- sqrt 10 2)Which describes the number and type of roots of the equation x^2-625=0? Answer: 2 real roots 3)If g(x)=3x-8, find g[g(-4)] Answer: -20
  22. English

    If you could have anything you wanted, what would it be? What would you be willing to do to get it? Express these ideas and emotions in a bried (10 line) monologue/sililoquy. can u send me a site that would have some examples that could help me??? Please double-check the ...
  23. World History

    Please check my answer, and if you have any suggestions on how I can improve my statement, please let me know! evaluate the role of history in shaping identity and character: France from the 15th to 18th century, most individuals had no say in the basic realities of their own ...
  24. Chemistry

    I think I have the answer to this question but need some help! Display the final answer in correct scientific notation and show correct number of significant figures in the final answer: 6.0223010000 x 10-24 x 2.222090001 x 10-30
  25. math

    There are 45 questions in a Mathematics quizbee. For every correct answer, 5 marks are awarded and 3 marks for every wrong answer. If sofia scored 185 points, how many questions did she answer wrongly.
  26. Calculus

    Find the area cut off by x=4 from the hyperbola x^2/9-y^2/4=1. Answer is 4.982 in the book. I have proceeded as under: Y=2/3*sqrt(x^2-9) and rhe reqd. area is double of integral 2/3*sqrt(x^2-9) from 3 to 4. Int= 2/3*[xsqrt(x^2-9)/2 – 9/2*log{x+sqrt(x^2-9)}] from 3 to 4 =x/...
  27. calculus

    Give a reasonable sketch, on the axes provided, of the graph of the function x/(x^2-1)^1/2 showing all characteristics. Use the following pieces to justify your sketch. a) Domain ? b) coordinates x and y intercepts ? c) Symmetry ? is the function odd, even, or neither ? d) ...
  28. Language Arts Answer check PLEASE

    1) What can you infer from this sentence near the start of "The Story Teller"? Most of the aunt's remarks seemed to begin with "Don't," and nearly all of the children's remarks began with "Why" A) It is a long trip to Templecombe B)the aunt is extremely clever about handling ...
  29. Math calculus 2

    The revenue, in millions of dollars, for a company in year t is given by the function: R(t)=15*e^(0.08*t), 0≤t≤15 and the cost, in millions of dollars, to run the company in year t is approximated by: C(t)=12*e^(−0.04*t), 0≤t≤15 where t is the number of years after ...
  30. Calculus I

    *Optimization problem* [I don't know how to get to the answer] Problem: You have a cylindrical can with radius 4cm and height 10cm. Inside is a marble with a radius that has to be larger than 0 but less than 4 cm (even the largest marble will fit entirely). You're filling it ...
  31. i need help!!!

    probability and statistics a z score is z = x - xbar divided by s which is standard deviation s = 6.36 x = ? xbar = 54.8 the x is all the data sub. from 54.8 individually which i came up with 1.2 and divided it by 6.36 and the number is .1886.....and the answer in the back of ...
  32. Physical Science

    If you can help with this problem, I would so appreciate it. If I can understand, I think I can do the rest of them. Here is the problem and the answer. How do I work through to the answer? A certain radio wave has a frequency of 1.03 MHz. What is the wavelength? Answer 2.91 "...
  33. math?

    Give the answer to the following calculation with the correct number of significant digits. Report your answer in scientific notation. (6.17 x 10-1 + 4.9 x 10-2) x (3.95 x 10-2 + 6.454 x 10-3) i know how to solve for the answer, i just don't know the correct number of sig figs...
  34. History

    Compose a brief essay between 400 and 600 words (not including your references list) in which you answer the following question, referring to and critiquing relevant ideas from at least three of the Week 2 readings as you develop your thoughts: QUESTION: What are the main ...
  35. math

    Complete the following probability distribution table and then calculate the stated probabilities. Outcome a b c d e Probability 0.1 1Your answer is correct. 0.43 0.1 0.27 (a) P({a, c, e}). 2Your answer is correct. (b) P(E ∪ F), where E = {a, c, e} and F = {b, c, e}, P(E...
  36. calculus

    how would you represent the area outside given y= 4cos(2theta) but outside y=4 ?
  37. calculus

    Evaluate the integral. from 0 to π/2 sin^3(θ)cos^5(θ) dθ
  38. Calculus

    find the region enclosed by the given curves: 4x+y^2=9, x=2y
  39. Calculus

    If the y-coordinate at each point of inflection on the curve y=e^(-x^2) is 1/e^a, then a = ?
  40. Calculus B

    Find lim as x goes to 0 of (xsinx)/(1-cosx)
  41. Calculus

    Find arccos (sqrt2/2). Can this be pi/4 and 7pi/4?
  42. Calculus

    If the line 3x-4y=0 is tangent in the first quadrant to the curve y=x^3+k, then k is a: 1/2 b: 1/4 c: 0 d: -1/8 e: -1/2
  43. pre calculus

    cube roots of 64i?
  44. Calculus

    Calculate the slope of the graph of f(x)=4-x^2 if x<1 and 2x+1 if x>1 at each of the following points: a.P(-1,3) b.P(2,5)
  45. Calculus

    what is the limit of arcsinx as x approaches 1 from the left
  46. Calculus

    What does this equation mean? X = Cos (T) * Phi ^ ((2 / Pi) * T) Y = Sin (T) * P
  47. Calculus

    Find the limit: lim x-> 2 ln(x/2)/ (x^2−4) Can someone help me with this?
  48. Calculus First Derivatives

    If f(2) = 2.5 and f'(2) = -2.5, then f(2.5) is approximately... I have no idea how to do this without an equation.
  49. Calculus

    Find the points at which f(x)=x^2(x+1)^3 has a horizontal tangent.
  50. Calculus

    write the equation of line tangent to f(x)=(1/3x^3)-x^2+x-1 when x=1
  51. calculus

    find the point on the line 6x+7y-5=0 closest to (2,2)
  52. calculus

    Find the exact length of the curve. x=(y^4)/8+1/(4y^2), 1 ≤ y ≤ 2.
  53. calculus

    how do you find the limit as n approaches infinity of n/(2^n + n)?
  54. Calculus

    Sketch the region in the first quadrant enclosed by y=8/x,y=4x and y=1/4x
  55. Calculus

    Find dy/dx by implicit differentiation for x^2 - 2xy + y^3 = C
  56. calculus

    integrate (cos3x)^2/(1-2pcos(2x)+p^2) dx from x=0 to 2pi for 0<p<1
  57. Pre-Calculus

    Use substitution method to solve. (1/2x)+(3/4y)=(-1/4) and (3/4x)-(1/4y)=1 Can you please help?
  58. Calculus

    Use the midpoint rule to approximate the integral 6x-9x^2 from 2 to 11 with n=3
  59. Calculus BC

    s(t)=t^3 - 5/2 t^2 - 2t + 1 for all t>=0, 1. what was the displacement on 0<= t <= 4 2. at t =.5 is the function slowing down or speeding up?
  60. Calculus

    Find the following interval: (2e^(2sqrt(y))/sqrt(y))
  61. Calculus

    If 2x-2¡Üf(x)¡Üx^2-2x+2, determine limx-->2f(x)= (Use squeeze theorem)
  62. calculus

    Write a formula for f^-1 (x) if f(x) = (x+5)/(3x-4) and state the domain of F^-1
  63. calculus

    Find the total differential for f(x,y,z)= cos(4x+3y+2z+1)
  64. calculus

    lim (x->0.5 from the left)((2x-1)/|(2x^3-x^2)| = -4 I would have thought positive four. How can this be?
  65. calculus

    i need a real life application on parabola.
  66. Calculus

    Which of the following is written in explicit form? A.y=x B.x^2-6xy-9y^2=0 C.y=0 D. y= -√1-x^2
  67. PRE CALCULUS

    8-12SIN^2X=4COS^2X SOLVE FOR X
  68. Math (Calculus)

    Determine the area of the region y=e^x,y=x^3
  69. Differential Calculus

    Find the limit of (10^x - 5^x)/x as x approaches 0
  70. Calculus

    If u,v, and w are nonzero differentiable functions, then the derivative of uv/w is what?
  71. Pre-Calculus

    For what values of x is it true that |sin(x)-x| < 0.01?
  72. calculus

    Find the derivative of the function. y = cos^4(¹t - 8)
  73. Calculus

    Find the derivative of each 1) y = e^x(Sin²x) 2) y = (x²+1)e^-4 3) y = x²(e^Sinx)
  74. Calculus

    Given f(x) = csc^4(5x^2-3x+1), find f'(x). Show all work.
  75. calculus

    Find the integral of (tan x)^2 sec(x)dx
  76. Calculus

    Can someone please tell me how to find the following integral? cos^4(2q)*sin(2q) dq
  77. Calculus

    Find the values of a , b , and c in the quadratic function p(x)=ax^2+bx+c such that p(2)=6, pŒ(2)=2, and pŒŒ(2)=3.
  78. Calculus

    How to integrate with position, velocity and accelleration
  79. Calculus

    Determine all values of x for which each function is discontinuous. F(x)= 3x+4 / 4x^2 - 2x -2
  80. Calculus

    Find the indicated limits. Lim x-> 1- sqrt 1 - 1/ x-1
  81. Calculus

    find the limit of lim 7= as x approaches 8
  82. Calculus

    Show that f(x) = x^3 and g(x) = 200x^3 grow at the same rate.
  83. calculus

    Let f be the function given by: f(x)=1/5x^5/2+x^-1/2, for all x in [1,4]. Find the length of the graph of f.
  84. Pre-Calculus

    Solve sin (pi/4(x-6))=0.5, 0<x<360
  85. Calculus

    Determine whether Ax = lnx/(sqrt x) is convergent
  86. calculus

    f(x)=(y+a)and b=the limit as y aproches 2+f=1000. I need to know what y and a equal.
  87. calculus

    Integral of ln(sinx+cosx) with respect to x from -pi/4 to pi/4
  88. calculus

    Find a value c in the interval [0,2] such that f(c)is equal to the average value.
  89. Calculus HELP PLEASE!!!

    Find all extrema for the function y=x^5-2x^3+3 on the interval [-10...10]
  90. calculus

    solve.what is the domain of x=f(p)= 520-40p
  91. calculus

    find the derivative of the function f(x) = x^2 cos (7x)
  92. CALCULUS 1

    Find dL/dx set to zero. Solve for x. (27+x)/x * sqrt(64+x^2)
  93. calculus

    find the derivative of the function f(x) = e^(3x) sec (7x)
  94. calculus

    find the conjugate on z times w if z=[3,120] and w=[-1,-15]
  95. Calculus

    Suppose f and g are functions that are differentiable at x = 1 and that f(1) = 2, f '(1) = -1, g(1) = -2, and g '(1) = 3. Find the value of h '(1). h(x) = (x2 + 11) g(x) h '(1) =
  96. Calculus HELP PLEASE!!!

    Find all extrema for the function y=x^5-2x^3+3 on the interval [-10...10]
  97. Calculus

    Find f''(1/2) using f(x) = ln(1-x). f'(x) = 1/(1-x) * -1 = -1/(1-x) so then using quotient rule: f''(x) = ((-1*-1) - ((1-x)(0))) / (1-x)^2 f''(1/2) = 1/(1-(1/2))^(2) = 4 Is this correct?
  98. Calculus

    Solve the inequalities a)6x3+5x2<8x+3
  99. Calculus

    y=x^2-11x+30 For what values of x is y greater than or equal to 0?
  100. calculus

    Please help. I need ( with details) how to differentiate with the chain rule f(x)=(x^2-6x+23)^3/2. I need to
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