1. algebra 2

    If x^2-x-1 divides ax^6+bx^5+1 evenly, find the sum of a and b. Show all steps and exlain your answer. Please, please help me out!! Thanks alot. =)
  2. functions

    given: f(x)=(2x+3)/(3X+2), find the inverse function of this. please don't give me the answer only, i would like to see the full working out so then i'll know how to do it next time!thanks!!:-)
  3. mathematics

    find the general solution to the following differential equation dy/dx=-(In(x))/(x^2)*y^1/2 (x>0,(y>0)give answer in implicit form.
  4. Math

    Find all real number X Which satisfy the inequality 1/3(X+3)-1>1/5(X+6) Pls I need answer with solution step
  5. physics

    Find the acceleration of the two blocks sliding down the incline in the figure below. (Take m1 = 1.1 kg and m2 = 1.8 kg. Indicate the direction with the sign of your answer
  6. Maths

    For the geometric sequence t: {3, m, n, 192, . . .}, find the values for m and n.(Answer is m=12, n=48) How can we do this without trial and error? Thanks to anyone who helps.
  7. Geometry

    the angle of depression from D to F measures 40 degrees. If EF= 14 yd, find DE. round answer to nearest 10th
  8. Statistics

    Find the z-score for which the area to its right is 0.65 . Write only a number as your answer. Round to two decimal places (for example: 0.81).
  9. Dilation

    The answer to given a scale factors of 2,find the coordinmates for the dilation of the line segment with endpoint (1.2) and (3-3.
  10. Geometry

    Given: ΔАВС, m∠ACB = 90° m∠ACD = 30° AD = 8 cm. Find: CD, Perimeter of ΔABC plz add answer
  11. Function Maths 11

    How do you find the related acute anle of tan110 and sin350? I don't understand how to get the answer...
  12. Math

    Can someone check this problem for me use the foil method to find the product (6z-u)(6z+7u) my answer is 36z^2+36zu-7u^2
  13. physics

    ok so dr= 2i + 3j while F= 5i + 2j It wants me to find the work. now i know w=Fxdr. what i want to know is why when you take the dot product of both, you get a different answer compared to when you just multiply the magnitudes.
  14. science

    What happens to refraction when the angle of incidence lays on the normal line? Please help I have searched everywhere and can't find the answer!!!
  15. algebra

    I need to find the approx. value for x that are solutions to f(x)=0 for f(x)=-5x^2 + 7x + 2 please show steps as the answer I got does not match any of the multiple choices.
  16. math

    Find the vertex and the x-intercepts (if any) of the parabola. (If an answer does not exist, enter DNE.) f(x) = -16x2 + 4x + 2
  17. Geometry

    M is the midpoint of LM LM=3x+5 LN=5x+40 Find MN I've tried to work this out several times and am pretty sure I start it off by 3x+5=5(x)+40 but I keep getting a negative answer or a fraction for X and know that is not right. Can someone please help me?
  18. Maaaath

    6/x + 6/x-5 = 1 I got to x^2 -17x +5 = 0 But I have no idea if that is right? How do I find the answer? Thanks 6/x 6/x-5 =1 multiply both sides by x x(6/x +6/x-5)= (1) x The denominator x will cancel giving: 6 + 6 --- = x -5 Now -5 into 6 = -1.2 so 6 -1.2=
  19. biology

    Where is the location of the phosphatase enzyme in the digestive system. There is no site that i can find that can provide an answer...
  20. Trigonomic Identities

    The question wants me to find sin(x/2) when cosx = -(12/13) in the interval (pi,3pi/2). I know that the eventual answer will be 5/sqrt26, however, I am not sure how to get there.
  21. algebra

    f(x)=2x+5, find f(3) would this be worked out liek this 2(3)+5=11 Your answer is correct but improve your mathematical form and write is this way: f(x)= 2x+5 f(3)= 2(3)+5 = 11
  22. mathURGENT!!!!!!!!!!

    find all ordered pairs of positive integers (x,y) that satisfy the following equation: x^y=2^64. please answer and explain how you got it!!!!
  23. 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
  24. Algebra-domain

    I had to find the domain of a function, and my answer is that x is all real numbers except -5 and 6. How do I write that in interval notation?
  25. math

    kx^2 + (k+2)x -3 =0 has roots which are real and positive. Find the possible values that k may have. I understand that I have to use the discriminant to solve this, but I can't seem to get the answer right, so I really need help!!
  26. ap chemistry

    Find the emf for the cell Cr(s) |Cr3+(aq, 0.37 M) || Pb2+(aq, 0.0095 M) | Pb(s). Answer in units of V I got .548733V Is this right?
  27. chemistry

    Find the emf for the cell Cr(s) |Cr3+(aq, 0.37 M) || Pb2+(aq, 0.0095 M) | Pb(s). Answer in units of V I don't know what to do
  28. geometry/algebra

    I have tried to work this several ways and can not get the answer of 5 find x if the slope of a line passing through points A(4,3) and B(x,7)equals 4
  29. chemistry

    Find the emf for the cell Cr(s) |Cr3+(aq, 0.37 M) || Pb2+(aq, 0.0095 M) | Pb(s). Answer in units of V I don't know what to do
  30. Science 8

    How are Newton’s second and third laws of motion important to your everyday life? Please help me! I've looked everywhere and I can't seem to find an answer.
  31. History

    After the civil war, why did some southerners feel they were being taxed without representation? I can't find the answer. Some help would be appreciated!
  32. Calculus: implicit differentiation

    Find dy/dx by implicit differentiation 1. x^3 -xy+ y^2= 7 The given answer is (y-3x^2)/ (2y-x), but I'm not getting it. 2. How would I do this one? If I couldn't do the above one, which looks a heck of a lot simpler, I doubt I'll get through this one. x^
  33. math- 165 calculas

    Find the horizontal asymptote of the graph of the function. (If an answer does not exist, enter DNE.) f(x) = x^3 − 3x^2 + 5x + 1/ x^2 − 5x + 3
  34. math- 165 calculas

    Find the horizontal asymptote of the graph of the function. (If an answer does not exist, enter DNE.) f(x) = 5x^2 + 1/ 7x^3 − 2x^2 + 5
  35. statics

    two dices are rolled find the probability that the sum is less than 6 and what is the answer rounded to 4 decimals places
  36. maths

    Find length of diagonal of rectangle whose adjacent sides are 30cm and 16cm.tell answer
  37. Physics

    Find the magnitude and direction of the equilibrant force for these two concurrent forces: 13.5 N, E and 32.0 N, N. Pls HELP me answer this. Thank u very much.
  38. geometry

    Find the area of a regular pentagon with a side of 6ft. answer nearest tenth
  39. Algebra II

    Find all zeros of f f(t)=(t-2)^3-(t-2) ok... now do I have to factor out (t-2)^3 to [t^3-6(t^2)-12t-8] and then minus (t-2) resulting in [t^3-6(t^2)+13t-6]? if so, where can I go from there?? sorry... the second answer would be [t^3-6(t^2)+11t-6]
  40. Math

    i know the answer 6,556 to this but how do i explain it Find the area of the parallelogram with a base of 372.5 cm and a height of 17.6 cm
  41. geometry

    A cone has a volume 320 cm^3. Find the radius of the base. Round your answer ti the nearest 0.1 cm.
  42. Math

    Can you show me how to do this and give me the final answer please. need help Find the equation of the line containing the given pair of points. (2,4) and (6,5)
  43. math

    Find the area of the region. (Round your answer to three decimal places.) between y = cos t and y = sin t for −π/2 ≤ t ≤ π/2
  44. calc

    Find the slope of the tangent line at (8,8) for the function (16-x)y^2=x^3 Round your answer to two decimal places.
  45. math

    Find the circumference of each figure. Use 3.14 for p and round your answer to one decimal place. i have a circle that is 3.75ft A~23.6 or 24?
  46. math

    please can you explain this to me I don't understand! Find the value of the following 10! 11! over 7! 13! If your answer is not an integer, write it as an exact fraction. thank you so very much
  47. geometry

    If a=6cm, find the area of the equilateral triangle. Round the answer to one decimal place.
  48. math

    Use a proportion to find the length of the missing side in the following similar figures. Answer choices: x = 28 cm x = 30.8 cm x = 6.4 cm x = 19 cm
  49. Calc/Precalc

    Find the derivatives of 1. ln[(2x^3⋅2e^x)] 2. xy = cot(xy) 3. y = cos(x^3 + 27) I don't really know where to start with these. The answer is (3+x)/(x) for the first, y/-x for the second, and 35. -3x^2 sin(x^3 + 27) but I have no idea how they got there.
  50. Calculus

    use implicit differentiation to find dy/dx if 5xy+x^2y=10 Is this correct answer for this question (-5y-2xy)/(12x)
  51. Physical Science

    20. Why is ethanol added to gasoline? Can't find this answer in my book, and I've gone back and checked for it like three times. Please and thank you!
  52. Chemistry (URGENT)

    Hello! Does anyone know where to find the solubility of Ca(OH)2 in water as temperature changes? I need this information to answer the discussion in a lab report.
  53. math

    if x+ a= b/3x and b does not = 3 then x =? i cant seem to find a way to seprate the two x's since 3/b is always attached. subtract (b/3)x from both sides x- (b/3) x+a=0 x(1-b/3)= -a x= a/(1-b/3) i looked at the back of my book and the answer is 3a/b-3
  54. Math - Please Check My Answer

    Please help me with the following: Find the greatest possible error for each measurement. 4 1/2 oz A. 1/4 oz B. 2 1/2 oz C. 1 oz D. 2 1/4 oz I know it is not B(I got it wrong.), but I think it is A. Is this correct? Please help me by checking my answer.
  55. English, Written Communication

    Which of the following are examples of coordinate headings? A. 3, b, iii B. A, i, a C. ii, 2, B D. A, B, C My answer was C but i got it wrong, is it A? PLEASE HELP CANT FIND IT IN MY TEXT BOOK
  56. Graphing Linear Equations! Quiz! HELP ASAP

    I just need many examples and tips on how you solve, find, graph, and answer linear equations. I'm so confused!
  57. calculus

    find the bound on the real zeros of the polynomial function f(x)=x^4+x^3-4x-6 cna you please show me how you got the answer please
  58. Math

    Find the are of a triangle with 7 ft height and 22 ft length. A. 154ft^2 B. 58ft^2 C. 77ft^2 D. 38.5ft^2 Is the answer A?
  59. Algaebra

    Two functions f and g are defined by f:x = x^2 + 3 g:x = 2x+1 Find the function fg Please help and show all working out,i got the answer for it but i really don't understand it!!! Thank You
  60. Math SOmeone please please help

    Find the derivative of the function. g(u) = (5+u^2)^5(3-9u^2)^8 Could someone please explain the steps that would lead me to the answer? I'm completely stuck.
  61. Geometry

    Find the area of the parallelogram. L1= 19m, L2 = 25m Can you explains this? Do I multiply? Is the answer 475m?
  62. Geometry

    Find the area of the trapezoid. L1 = 23ft, L2 = 15ft, H = 12ft Is 456ft the correct answer?
  63. Geometry

    Find the missing side. Approximate the answer to three decimal places when appropriate. A = 15 yd C = 25 yd I have no clue on how to do this one. Please any help would be appreciated.
  64. Geometry

    Find the area of the trapezoid. L1 = 23ft, L2 = 15ft, H = 12ft Is 228 ft the correct answer?
  65. Trig

    How do I find all solutions in the interval [0, 2Pi): cotx=cscx-1 the answer choices are: a.) x=Pi/2 b.) x=Pi/2 and 3Pi/2
  66. Pure Mathematics

    The complex number z satisfies the equation z+2iz*=12+9i. Find z giving your answer in the form x+iy.
  67. pre calc

    Can someone please help me f(x)=1/3 square root 1-2x and g(x)= (x-2)/x. Find and simplify (g of g)(3)/(g of f)(-24). The answer I got it -24/7 and i Am unsure If it is correct. Please show all work Thank you
  68. algebra 2

    If y is directly proportional to x, and y = 16 when x = 12, find the constant of proportionality, k. Give the answer in the form of fraction if necessary.
  69. Math

    Divide into intervals and evaluate to find the max/min. f(x)= -(x-1)^2(x+4) I pick -2 -(-2-1)^2(-2+4)=-18 Is that the correct answer
  70. Environmental Science

    What type of succession would you expect to find in the abandoned farmlands? Explain in short answer.
  71. social studies

    what is a corporate farm? its part of a short answer and i cant find a definition that is easy for me to understand.
  72. Algebra

    Find the domain of the function. f(x)=(sqrt x+6)/(-2x-5) Write your answer as an interval or union of intervals.
  73. math

    a die is thrown twice, find the probability of getting two 5’s. Be sure to represent your answer as a fraction in simplest form!
  74. Math (Please help!)

    Consider the following function. f(x)= x^2 - sqrt(x) Find the equation of the line tangent at the point (1, 0). the answer would be 6, duh
  75. statistics

    Find the critical value for the hypothesis test, given the following. (Give your answer correct to two decimal places.) Ha: ó1 > ó2, with n1 = 7, n2 = 16, and á = 0.05 F=?
  76. geometry

    Find the area of the quadrilateral in Exam Figure 5. Round your answer to two decimal places.
  77. Math help please!!!!!!

    Given a scale factor of 2, find the coordinates for the dilation of the line segment with endpoints(-1,2) and (3,-3) A. (2,4) and (6,6) B. (2,4) and (6,6) C. (-2,4)and (6,-6) D. (2,-1) and (-3,3) Is the answer C ? Thank you
  78. Math

    need to find the equations of the following, using Ó (and the n=1 which is at the bottom of the Ó) (and infinity is at the top of the Ó) 3) -6/3 - 4/4 - 2/5 - 0 + . . . 4) 9/1 + 36/4 +27/9 + 144/16 + . . . 5) 20/4 + 25/5 + 30/6 + 35/7 +40/8 + ... i
  79. math

    Let X be a normal random variable with μ = 12 and σ = 2. Find the value of the given probability. (Round your answer to four decimal places.) P(7 < X < 9) =
  80. social studies

    we are working on ancient egypt and i cant find the answer to In what ways were the reigns of Akhenaton and Ramses II different
  81. Math

    Find (if possible) the trigonometric function of the quadrant angle. sec 3pi/2 My answer was 0. Am I correct?
  82. calculus test corrections. 1 question

    Find the minimum value of f(x, y) = y – x + 1 for the polygonal convex set determined by this system of inequalities. x > 0 y > 0 2x + y< 4 the answer is -1. please tell me why
  83. history U.S

    I can't find the answer to this plz help how did adams' supporters characterize jefferson during the election og 1800?
  84. calculus

    limit as x approaches 3 where f(x)=6x+2 Find a formula for δ such that for any ε > 0, |f (x) - 20| < ε if |x - 3| < δ. (In your answer, use the word "epsilon" instead of the symbol ε.) I have no idea how to do this? Please help!!!
  85. Science

    Why are generators not allowed in Niagara Falls? I am assuming that it has something to do with environment but I can't find the exact answer anywhere ?
  86. Math help please!!!!!!

    Given a scale factor of 2, find the coordinates for the dilation of the line segment with endpoints(-1,2) and (3,-3) A. (2,4) and (6,6) B. (2,4) and (6,6) C. (-2,4)and (6,-6) D. (2,-1) and (-3,3) Is the answer C ? Thank you
  87. math

    given that the rectangle above has a perimeter of 34 units, find m
  88. Statistics

    If four coins are flipped at once, find the probability that there will be at least 2 heads. Round your answer to 3 decimal places.
  89. geometry

    Find the volume of a cylinder with radius 6 cm and height 10 cm. Use 3.14 for ð. Round your answer to the nearest tenth.
  90. algebra problem

    Find the greatest common factor of the two expressions 18wx^7z^7 and 15wx^3 Simplify your answer as much as possible.
  91. spanish

    Im doing a project on Argentina, and we need to find a tradition and answer questions. Do you know of any Argentine traditions or know any websites i could use?
  92. Physics

    A 2.73 kg particle has a velocity of vx = 6.02 m/s and vy = 0.316 m/s. Find the magnitude of its total momentum. Answer in units of kg · m/s
  93. PreCal

    Find the distance between P1(3, –195°) and P2(–4, –94°) on the polar plane. Round your answer to the nearest thousandth.
  94. Algebra II

    Find the exact value of cos 375 degrees. Answer: (sqrt6 + sqrt2)/4 Is this correct?
  95. Pre-calculus

    Find the minimum value of f(x, y) = y – x + 1 for the polygonal convex set determined by this system of inequalities. x > 0 y > 0 2x + y< 4 the answer is -1. please tell me why
  96. geometry

    Find the area of the base and the volume of a cone. the height is 17 and the radius is 8. my answer needs to be in pie
  97. geometry

    Find the SURFACE AREA of a sphere that has a diameter of 18 centimeters. Leave your answer in terms of pi.
  98. History Help Please!!

    What is the most populated town in the Panhandle? How many people live there according to the 2010 census? I can not find this answer anywhere!!
  99. science

    Doing review and can't find answer in notes: sun is approximately 4.5 billion years old what is it's classification?
  100. Religion

    Origen was the first Bishop of ______in what year. Studying for midterm and this is one of the questions I can't find an answer to