Calculus (Answer Check)

88,790 results, page 87

  1. algebra

    Factor: check by multiplying x^2-6x Is this correct? x^2(x-5)
  2. Algebra..

    Check These Answers Please? f(x)= x^2+3 ; g(x)=3x-1 1. (f+g) =x^2+3x+2 2. (f+g)(3) = 20 3. (f-g)(x) = x^2+3x-4 4.(fg)(x) = 3x^3+1x^2-9x+3 5. (fg)(x) =5 6. (f/g)(x) =(x^2+3)/(3x-1) Compostitions of functions : 7. (f o g)(x) =3x^2+4 8. (f o g)(x) =10
  3. English

    Ms.Sue can you check my answers,I just want to make sure they were right.
  4. College Algebra

    Can someone check my work for me again! I really appreicate it, I'm not the best at this. (1/3)x+(3/4)x = 13 (4/12)+(9/12)x = 13 (13/12)x = 13 x = 13/(13/12)= 12
  5. math rational comparing #'s

    can you check: < > = -2/9 > -4/9 -1/6 > -2/3 -5/12 > - 3/4 -1 < - 1/3 -5/6 = -10/12 -1/8 > - 1/2 -1.2 > -2.1 -0.6 < -0.52 -1.23 < -1.25 -0.53 < -5.333 -3 1/4 = -3.25 -4 2/5 < -4.12 are these right?
  6. For all teachers

    Does anyone know if Sra will be on here today because I really need her to check my french.
  7. math

    x+4/2x*6x^2/x^-16= (x+4)/2x*6x(x)/(x+8)(X-8) rational expression using factoring could some check this.
  8. Math

    Can you check these? .04 is 1/8% of what number? 32 What percent of 1/8 is 3 1/2? 2800%
  9. Math

    Solve the equations below. Check your solutions. 8/k=14/k+3
  10. Math(Check Please)

    1. Which line is the flattest (or is less steep)? Why? a.
  11. math

    how do i write $3,337.55 on a check in words on?
  12. english

    i had a parargrahp writen i want you to check if its right orno t.
  13. MS Sue

    can you plz check my english answers
  14. Math

    I still can't understand this one.In class we got 42 but I got 48 and when I check it none of them match up 4/8y-21=3 What is y?
  15. Math 222

    Please check this to see if I am doing it correctly. g^2-6g-55/ g g=0 Because you can not divide by zero
  16. Alg 2 Check Please!!!

    1) 8^2y = 52^4y+3 2) 2^3(2y) = 2^26(4y+3) 3) 6y = 104y+78 4) -98y = 78 5) y= -0.796
  17. Math(Please check)

    (0.50M)(3.50mL) = c2(75.00) c2= 2.3e-2 Is this correct?
  18. Math

    Solve the equations below. Check your solutions. 3x-5/2=4x+1/4
  19. Math please check

    Does 0.21 * 0.05 = 0.0105? * means multiply. Yes.
  20. Math

    Solve the equations below. Check your solutions. 3x-5/2=4x+1/4
  21. Ms. Sue Help me with my poem

    Please look at my last post, so you can check my answers.
  22. To: Drwls

    can you please check my previous science post, thanks
  23. Math

    Solve and check each equation 1a. 12n=36 n=3 1b. n-5=8 n=13
  24. ALGEBRA 1

    Can someone please check on these for me please .Thanks Use the Quadratic Formula to solve 1.
  25. Math

    Solve the equation and check your solution. Thank You 3/v= v/2v+9
  26. alg2

    solve for 10/x^2-2x + 4/x = 5/x-2 3x/x+1 + 6/2x = 7/x 8(x-1)/x^2-4 = 4/x-2 check for any extraneous solutions! thanks!
  27. math's

    how do you check a Pascal's triangle with a calculator.
  28. Math

    Given the function rule f(x) = x2 - 5x + 1, what is the output of f(-3)? A. 7 B. -5 C. 25 D. 5 I think its 7, can you check please? Thanks!
  29. Alg 2 Please can Someone Check this???

    1) 8^2y = 52^4y+3 2) 2^3(2y) = 2^26(4y+3) 3) 6y = 104y+78 4) -98y = 78 5) y= -0.796
  30. economics

    How does the goverment know how much to with hold from your employment check?
  31. pre-algebra

    can someone check if this inequality is solve right 5x + 3 >= 28 -3 -3 5x >= 25 5 5 x <= 5
  32. math

    Very Simple Question How would you solve it: (1+x^2)(1-x^3) Check below
  33. Alegebra

    Find slope x+7 y=14 x+7y=14 x=2 check this problem see if I got it right.
  34. algebra

    Mutilpy rational expression 3/a^2+a*2a+2/6=3/a(a+1)*2(a+1)=1a could someone check this for me.
  35. Algebra

    synthetic division find f(-2) f(x)=2x^4+4x^3+2x^2+3x+8 -2 2 4 2 3 8 -4 0 -4 2 2 0 2 -1 10 f(2)=10 check f(x)=2(-2)^4+4(-2)^3+2(-2)^2+3(-2)+8 f(x)=10
  36. Maths

    Quadratic Graphs Y=x^2-7 These are my values can you please check X=-4 so y=9 X= -3 so y=2 X=-2 so y = -3 X= -1 so y=-6 X=1 so y=-6 X=2 so y=-3
  37. Math 115

    8/26=m/13 104/26 m=4 Check this problem please
  38. Algebra

    Can someone check my answers please? Solve the following by factoring? 3x^ - 6x = 0 I got x = 0 and x = 2
  39. Algebra

    Can someone please check my answers. Solve the following by factoring x^ + 7x + 10 + 0 I got x + (-5) and x = (-2)
  40. Pi

    How do u describe how to check an algebra question??? I need help ASAP
  41. Math

    solve the inequality: -3(4-a)=6 1) -6 2) -2 3) 2 4) 6 I think #1 is correct. Can you check? Thanks
  42. science

    what is radiation? What are some good sites that I could check out? Thank you!!:)
  43. English

    Name five of the six points you should check in practicing your speech.
  44. Alg1 / 2

    solve the equation & check your solution
  45. math (please double check my answers)

    4. Prove: 2^n + 2^n = 2^n+1
  46. math

    How can you use multiplication to check if a quotient is correct?
  47. math 116

    week 5: self check answers
  48. Math

    Divide and Check 4x^4y-8x^6y^2+12x^8y^6 _______________________ 4x^4y
  49. math

    Solve the equation and check your solution 2/5+1/y-5=y-7/5y-25.
  50. Math

    Check please Rewrite using distubutive property 3(x-2) 8(z-3) (t-4)5 -2(x-7) 3x-6 8z-24 5t-20 -2x+14
  51. math

    how do i find the product. Extimate to check or 0.5 x 28
  52. math - scientific notation

    please check. thanks. (8.3 x 10^-15) (7.7 x 10^4) = 6.391 x 10^-10 Is that right?
  53. Math

    3/4(5/x-1/2)-5/3<1/3 3/20x-8-15<1/3 Check this for me where didi I go wrong
  54. math/algebra

    can someone check my work? x^2 = 22 xãx-22 if x^2 is 22, then x is +- sqrt 22
  55. Math

    Find the area of the following rectangles. 7/2 mm ×14/5 mm. I can up with 98/10 mm. Please check
  56. To:Sabrina

    Do you think you have time to check my french homework. thanks
  57. algebra

    Of the two fractions 15/21 and 19/17 which is smaller? I think its 19/17 but need someone to double check please.
  58. Math

    Can someone please check these problems? Thank you! Solve each equation for the indicated value. 1. a-b=-c, for a I got a=-c+b 2. 4y+6x=12, for y I got y=-3/2x+3
  59. Algebra 3 check only

    (2^-3)(x^0(x^2)) all over _______ (x^-3)(xy^-3)(y) does it equal x^2)(xy^3)(x^3) ______________ 8y
  60. To: SraJMcGin

    I posted an assignment for you to check at 4:51 today just to let you know.
  61. Algebra

    Factor (m + 4) (a – 5) + (m + 4) (a + 3) I am pretty sure its this but want to double check! Thanks! (m + 4) (a^2 – 2)
  62. chemistry

    After your explanation I try to solve it, so would you please check my work again. Thank you! a)
  63. Circles Geometry

    Can someone check if my answers are correct?
  64. simple math check

    (1/2)(3x^2+5x+3)^(-1/2)(6x+5) when you plug in 5 for x.. do you get 1.72 because that what i get and then it says im wrong.
  65. algebra

    factor by grouping if possible and check 5x^3+4x^2-10x-8
  66. Maths Algebra

    Solve and check the result.3(5x-7)-2(9x-11)=4(8x-13)-17
  67. bus101

    exam number500600 to check on the answers what are they?
  68. intermediate algebra

    3/10=5/x 3x=15 x=5 could some check this for me rational expression
  69. pre algebra

    solve and check the following equation: 6(g-6)=5g-2-g
  70. English

    Can you please check these ideas on stress and young people, please? Thank you vey much for helping me finding an excellent site on science!! 1) The two things teenagers are most stressed about are how to make new friends and how to improve their school performances. 2) Their ...
  71. Quick math help

    Points EC bisects points AD at C. For each of the following, find the value of 'x' and the measure of the indicated segment. Please correct me if I'm wrong! 1. AC= 3x+6 and CD=2x+14 x=_______ AC=______ Answer: x=8 AC= 30 2. AC= 5x-8 and CD=16-3x x=______ AD=_____ Answer: x=3 ...
  72. Math

    The problem tells us to approximate the integral using the midpoint rule. n=5, sin(x)2 dx 0 to 1. I understand that the answer is .2(sin(.1)^2 + sin(.3)^...). When I use my calculator to get the decimal answer, I cannot get the same answer the book has. I don't know what I am ...
  73. math check my answer ?

    What is the range of f(x)=−3x−1? the set of real numbers less than 0 the set of real numbers greater than 0 the set of real numbers greater than −1 the set of real numbers less than −1 <my choice
  74. Physics with Calculus

    The system shown in the figure is in static equilibrium. The rod of length L and mass M is held in an unpright position. The top of the rod is tied to a fixed vertical surface by a string, and a force F is applied at the midpoint of the rod. The coefficient of static friction ...
  75. accounting

    CHOI ENTERPRISES Inv. No. Check Date Description Name or Date No. Terms Amount Dec. 16 Merchandise sold (cost $4,600) Hanna Seppa 916 2/10, n/30 $7,700 17 Received credit memo on returned merch. Funk Company Dec. 15 1,040 17 Purchased office supplies KK's Supply Company Dec. ...
  76. Calculus (final question I promise)

    1. Use calculus and algebraic methods to do a complete analysis (i.e., intercepts, critical points, intervals of increase and decrease, points of inflection, intervals of concavity, local maximum or minimum points) for each of the following functions and then sketch the graph ...
  77. derivative

    I am finding the second derivative of (x^2)(y^3) = 1 2x(y^3) + (x^2)(y')(3y^2) = 0 And I simplified the answer to y'= (-2y)/(3x) so it would be... [(-2y')(3x)-(-2y)(3)]/(9x^2) and it's simplified to (-6xy'+6y)/(9x^2)= y'' I could plug in (-2y)/(3x) in place of y'. The correct ...
  78. Can comeone check my answer for me. Many Thanks!

    A set of data is normally distributed with a mean of 1000 and standard deviation of 100. · What would be the standard score for a score of 1100? · What percentage of scores is between 1000 and 1100? · What would be the percentile rank for a score of 1100? A. z(1100)= (1100-...
  79. Math

    You use a line of best fit for a set of data to make a prediction about an unknown value. The correlation coefficient for your data set is -0.015. How confident can you be that your predicted value will be reasonably close to the actual value? My guess is that, since the ...
  80. Geometry

    Points EC bisects points AD at C. For each of the following, find the value of 'x' and the measure of the indicated segment. Please correct me if I'm wrong! 1. AC= 3x+6 and CD=2x+14 x=_______ AC=______ Answer: x=8 AC= 30 2. AC= 5x-8 and CD=16-3x x=______ AD=_____ Answer: x=3 ...
  81. Physics

    I'm comparing the "g-force" of a rocket and a race car. My answer for the race car corresponds to the answer in the book but my answer for the rocket is off by 1. The book says I need to add 1 G because the rocket is going upward. So, instead of my answer of .87 G, the correct...
  82. math check

    1.find the area heigh 5ft width 8 ft A=H x W A= 5ft x 8Ft A= 40ft^2 2.The circular surface of a table has a diameter of 4 ft. What it will cost to have the top refinished if the company charges $5.00 per square foot for the refinishing ? Use 3.14 for pi and round your answer ...
  83. derivatives

    Applications of derivatives A rectangle has its base on the x axis and its upper two vertices on the parabola y=12 - x^2. What is the largest area the rectangle can have, and what are its dimensions. Support your answer graphically. Thanks. Well, the parabola is symettric ...
  84. Math (Calculus II) (Graph approximation)

    Here is the link to the graph of f' in question: bit.ly/2oml70V I have a hard time trying to answer these kinds of questions when we're only given a graph of f'. a) Approximate the slope of f at x = 4. Explain. I believe the slope of f in this case would be a decreasing slope...
  85. Math

    Evaluate a Quadratic Function Given an Output Here you will find the input for a quadratic function when the output is given. Check Your Understanding 1. A ball is drop from the top of a building. The height, h, of the ball above ground after t seconds can be calculated using ...
  86. PHYSICS` HELP!! Please

    Really lost on how to explain these whether true or false!! HELP! Much appreciated Write True or False. If False, Explain why! 1. In a position vs. Time graph, a line whose slope is negative represents an object that is slowing down. Answer: I circled True but it's not. Can ...
  87. Calculus - not sure if my work is correct?

    A 15ft ladder leans against a building and its base starts to slide down the wall. The base is moving at a rate of 5ft/sec when the base is 9ft from the wall. How fast is the top of the ladder moving at this moment? What is the rate of change of the angle formed by the ladder ...
  88. Chemistry

    2CH3OH(l)+3O2(g)-->2CO2(g)+4H20 +1350 kj 1. What mass of water could be heated from 20.0 C to 35 C,by burning 48g of methanol? This is what I did, no answer was given so I want to double check. so q=mcT change in H=n(molar enthalpy) c= 4.184 kj/(kg C) So what I did was ...
  89. History

    Can someone please check these? I would greatly appreciate it. Thanks! 1. What was the purpose of the Freedmen's Bureau? a. to free the slaves b. to feed, clothe, and educate former slaves*** c. to move former slaves to the Northern states d. to ensure that former slaves had ...
  90. polynomial functioms-check

    Can you please check my work and answers. Find the x-intercepts of the polynomial function. State whether the graph crosses the x-axis, or touches the x-axis and turns around, at each intercept. 1.f(x) = (x + 1)(x - 3)(x - 1)^2 -I got -1 crosses the x-axis, 3 crosses the x-...
  91. Calculus

    I'm having a little trouble with this problem...it would be great if you could point out where I'm going wrong. Hours of Daylight as a Function of Latitude. Let S(x) be the number of sunlight hours on a cloudless June 21st, as a function of latitude, x, measured in degrees. a...
  92. Algebra..please check my work!!

    At 3 p.m., Brunhilde headed north at 30 kilometers per hour. Two hours later Ludwig headed south at 40 kilometers per hour. At what time will they be 340 kilometers apart? I know that the distance from Brunhilde(Db) plus the distance from Ludwig(Dl) is equal to 340, which is ...
  93. Grade 12 Chem - please check answer

    The four possible unknown chemicals are: Cu(s), Ca(OH)2(s), KNO3(aq) and C6H12O6(aq). a) colorless solutions, high electrical conductivity, no change on litmus paper b)white crystals, no electrical conductivity, red to blue on litmus c) shiny brown wire, high electrical ...
  94. math

    The tooal amount of interest on a loan of 6,000 for 150 days is 210.50.using the ordinary interest(360 days)method,what is the rate of interest on the loan.Round off answer to the nearest hundredth. I think it is 8.42% Darrell owns a consulting business and has an estimated ...
  95. American government

    how does the pledge of allegiance to the flag of the united states reflect the concept of natural rights? A. the pledge of allegiance includes the phrase "under god" B. the pledge of allegiance recognizes the united states as a republic C. the pledge of allegiance states that ...
  96. American government

    how does the pledge of allegiance to the flag of the united states reflect the concept of natural rights? A. the pledge of allegiance includes the phrase "under god" B. the pledge of allegiance recognizes the united states as a republic C. the pledge of allegiance states that ...
  97. Calculus

    We are doing limits in Calculus, but now we are doing trig limits too and i do not get how to do any of them. For example ones like this, how do you do them? sec (x-1) / (x sec x) x approaches 0 ((3 sin (x)) 1 - cos(x)) / (x^2) x approaches 0 (sin (2x)) / (sin (3x)) x ...
  98. math

    A new software company wants to start selling DVDs with their product. The manager notices that when the price for a DVD is 20 dollars, the company sells 139 units per week. When the price is 34 dollars, the number of DVDs sold decreases to 91 units per week. Answer the ...
  99. math

    A new software company wants to start selling DVDs with their product. The manager notices that when the price for a DVD is 20 dollars, the company sells 139 units per week. When the price is 34 dollars, the number of DVDs sold decreases to 91 units per week. Answer the ...
  100. math

    A new software company wants to start selling DVDs with their product. The manager notices that when the price for a DVD is 20 dollars, the company sells 139 units per week. When the price is 34 dollars, the number of DVDs sold decreases to 91 units per week. Answer the ...
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