Calculus (Answer Check)

88,560 results, page 6

  1. Math Check

    Can you please see if you got the same answer as I did? Thank you. 3/x + 2/x-4 3x-12=2x subtract 3x from both sides you get -12=-1x divide by -1 final answer is 12.
  2. geography

    Can you check my answer. What is the capital of the nation that is located at the southern tip of Africa? My answer is Tshwane(Pretoria) Is this correct?
  3. pre-alg Answer Check

    Use the proportion to find the missing length in the following similar figures. x/2 9/4 4.5 18 (My Answer) 8 2.25
  4. History (Check Answer)

    What special knowledge did the Bantu carry with them as they migrated? A. Metalworking (my answer) B. Fishing C. Dancing D. Singing
  5. Math

    Could you please check my answer? Subtract: (6a+2b-5c)-(3a+2c) My answer was: 3a+2b-7c
  6. algerbra

    can you help me check my answer. not sure of the answer. what is value of -27 - 8? a. -35 b. -19 c. 19 d. 19
  7. Please check my answer: Math

    Solve: 7r - 7 = 2r + 18 My answer: 7r - 7r - 7 = 2r - 7r + 18 -7 = -5r + 18 -7 - 18 = -5r + 18 - 18 -25/-5 = -5r/-5 R = 5
  8. Dividing Polynomial

    Please check. 1. (5x^3+x^2-7)/(x+1)= ? My answer: 5x^2-4x+4-11/x+1 2 (9x^3+5x-8)/(3x-2)= ? My answer: 3x^2+2x+3-2/3x-2
  9. Math

    Please check my answer for this: 17 - 4 x 3 + 8 = The answer I come to is 13
  10. spanish/check

    translate to spanish our father's office -la oficina de nuetro padre 2-translate the possesine adjective in parentheses into spanish -su escuela(their) can you check my answer thank you
  11. Check My Answer Please

    Why were women fighting for suffrage? A:because they wanted to end abuse toward women B:because they wanted to win the right to vote**** C:because they wanted to gain the right to work D:because they wanted to end women's inequality Completely doing an educated guess right now...
  12. Calculus--> bobpursley

    How do you get m=0? from taking the second derivative? does c=1? Can you check my work on how I get the derivative of R=M^2(c/2-m/3) NEXT R=1/2(CM^2)-1/3(M^3) NEXT dR/dM=CM-M^2. I checked in the back, and that was the answer for the first part of the equation. Isn't the ...
  13. Math Check

    Hi! Can someone check this for me? My teacher wants me to write the system of equations that will correspond to the final matrix. I have the matrix already, but I need help with the writing the system stuff. Thanks! Matrix: [-10 2 | 48] [-5 -6/4 |-9] My answer: 10x+2y=48 -5x+-...
  14. Pre-Calculus-check answers

    The graph of the equation y=x^3-x is symmetric with respect to which of the following? a) the x-axis b) the y-axis c) the origin d) none of these Answer: c 2) The graph of an odd function is symmetric with respect to which of the following? a) the x-axis b) the y-axis c) the ...
  15. Calculus

    Let f(x)= (1/x). Use the limit definition of derivative to find f'(x). My professor's answer is: -1/x but I keep getting: -1/x^2 what do I have to do to get that answer?
  16. Calculus

    Let f(x)= (1/x). Use the limit definition of derivative to find f'(x). My professor's answer is: -1/x but I keep getting: -1/x^2 what do I have to do to get that answer?
  17. calculus

    Let g be the function give by g(x) = x^4 - 4x^3 + 6x^2 – 4x + k where k is constant. A.On what intervals is g increasing? Justify your answer. B.On what interval is g concave upward? Justify your answer. C.Find the value of k for which g has 5 as its relative minimum. ...
  18. Algebra-Please check

    We're learning arithmetic sequences-please check this for me-it's my first day calcuulating htese and I'm not sure If t(1) = 5 and t(n) = t(n-1) + 2, find the first 4 terms of the sequence I think it would be 5,7,9,11 because the difference is 2 so I just added 2 to each of ...
  19. Math

    Solve the equation and show the check of the potential answer(s). If any answers are excluded values, state this on your answer sheet. a2 + 4a - 5/a2 + 2a - a + 3/a + 2 =1/a2 + 2a Can someone please show me how to do this problem with checks? I have submitted it to my homework...
  20. Calculus

    This is a problem we did previously on a test; my answer was marked correct, but I am having trouble getting my answer in the same form that my teacher gave it. The question: Find the derivative of (x/(x+1))^1/2 His answer: ( (x(x+1))^(1/2) ) / (2x(x+1)^2) My answer: ((x+1)^(1...
  21. Dog Hunting Training

    please check my answer thanks :) What is the distance of a lure course for a Junior Courser Title My answer is 600 yards
  22. Algebra/Math

    Could you please check these thanks for your time. Directions: Arrange the terms of each polynomial so that the powers of x are in ascending order. 1. 5+x^5+2x^3+4x Answer: 5+4x+2x^3+x^5 2. x^2y^4+x^5y^3+xy^2+x^3y Answer: xy^2+x^2y^4+x^3y+x^5y^3
  23. math

    Could someone check my answer? I need to figure out the equation of the circle given the center of (-9,0) and radius of 7. (x-(-9))^2 + (y-0)^2 = 7^2 answer(x+9)^2 + (y-0)^2 = 49 is this correct?
  24. Math

    Write each equation in standard form. 1.y-3=-2.4(x-5) -The answer I got was 2.4x + y = 15. Could someone please check my answer and tell me how to solve it if it wrong? Thanks
  25. CHEM-CHECK ANSWER

    A 18.46 g sample of a compound contains 5.89 g potassium (K), 5.34 g chlorine (Cl), and oxygen (O). Calculate the empirical formula. is the answer KClO3?
  26. Spanish (check answer)

    Which of the following phrases show the correct use of the article "the"? A. los hermanas B. el hermanos (my answer) C. el papa
  27. Algebra 1 Answer Check

    1. Simplify 49^3/2. My answer: 343? 2. Simplify 5^ãx^25y^125. My answer: x^5y^25? 3. When the polynomial 5x - 2x + 8x^2 - 7 is written in standard form, what is the leading coefficient? My answer: -2? 4. Classify the polynomial 5x^2 + 9x + 1 according to tis degree and ...
  28. Calculus check

    If f(x)=sin^2(3-x) then f'(0)= A. -2cos3 B. -2sin3cos3 C. 6cos3 D. 2sin3cos3 E. 6sin3cos3 I got B
  29. PHYSICS CHECK WORK PLEASE

    I am getting the wrong answer. Can you please check my work? My answer is off by a multiple of ten. A sample of an unknown material appears to weigh 295 N in air and 165 N when immersed in alcohol of specific gravity 0.700. (a) What is the volume of the material? ___________m^...
  30. calculus

    Find the indefinite integral and check the result by differentiation: (integral) x^2 +2x -3 ---------- dx x^4
  31. calculus

    Which of the following is a representation of the domain of the expression: h(x) = 12x + 3 / 2 - square root over x a)[0,4) b) [(0,4) U ( 4, infinity) I know that the answer is b, but how do I come to this answer?
  32. Calculus ( finding limits)

    Find the limit as x-->-inf (x+2)^(3/2)+1 ----------I know that the answer is infinity but I don't know how to get this answer by hand. Could someone please help me? Thanks a lot!
  33. math (calculus)

    what would be the answer when you plug 5pi/4 into this equation 6sec^2x-7sinx for x? i cant get the answer need some help
  34. calculus

    The function f is twice differentiable, and the graph of f has no points of inflection. If f(6)+3, f'(6)=-1/2, and f"(6)=-2, which of th following could be the value of f(7). A.)2 B.)2.5 C.)2.9 D.)3 E.)4 the answer is A. but what are the steps to reach this answer?
  35. Calculus

    Vector D represents: URL is here imgur dot com/AX4EN a) A+B b) A-B c) C+B d) A+C I chose answer A. Is that the correct answer?
  36. Calculus

    Find the d^3z/dydx^2 partial derivative of: ln[sin(x-y)] The answer is supposed to be 1/2; however, I cannot figure out how to get this answer. Any help is appreciated.
  37. Calculus

    Find the revenue function R(x) when P(x) is P9x)= 50- 0.002x I am getting 50x -0.002x^2 can anyone check, thanks.
  38. Calculus

    If F(x)=x^3−7x+5, use the limit definition of the derivative to find FŒ(5), then find an equation of the tangent line to the curve y=x^3−7x+5 at the point (5, 95). FŒ(5)= The equation of the tangent line is y = x + . Check your answer for yourself by graphing...
  39. Calculus

    Differentiate each function 34. [(x^2 + x)/(x^2 - x)]^1/2 My answer: [(-2x^2)]/[(x^2 + x)^1/2 * (x^2-x)^3/2] The book's answer is: [(-1)] / [(x-1)^3/2 * (x + 1)^1/2]
  40. Calculus

    Answer ? - impicit differentiation Find dy/dx & d^2y/dx^2 y^2 - x^2 = 2 is the answer dy/dx=x/y; d^2y/dx^2= y^2-x^2/y^2
  41. reading

    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 ...
  42. English

    Which of the following do Petrarchan and Shakespearean sonnets have in common? A. rhyme scheme B. length C. question and answer format D. Both are organized as an octet and a sestet I Chose Answer B. length. I wanted someone to check my answer to see if it was correct. Thank you.
  43. calculus check

    Find the limit as x approaches 3 of [(2x^3-5x^2+7)/(3sin(xpi/6)-cos(xpi))] When I plugged in 3, I got 4.
  44. math

    I've worked these problems but I was just wondering if someone could check over them to see if they're correct...if not please help! (u-2)(u+7) my answer: 7u^2-49u (5t-4)^2 my answer: 25t^2-40+16 Thank you :)
  45. math

    PLEASE HELP Could someone check my answer? I need to figure out the equation of the circle given the center of (-9,0) and radius of 7. (x-(-9))^2 + (y-0)^2 = 7^2 answer(x+9)^2 + y^2 = 49 is this correct?
  46. Pre-Algebra Check

    1. Round your answer to the nearest tenth, if necessary. 22 miles/hour = ______ feet/second a. 0 b. 15 c. 1.5 d. 32.3 Answer: C? Thank you in advance!
  47. Social Studies 7R - Qs. Check

    What is Preamble? I know the pre part is before but what about amble? My Answer: Intro of the Declaration of Independence. Is my answer is correct.
  48. Chemistry(Please check answer)

    The solubility product expression for mercury(I) iodide, Hg2I2 is Ksp = ? My answer is [Hg2^2+^][2I^-^]^2^ Would you agree?
  49. Check my answer please

    Blank are nutrients that are needed for growth and repair of the body's tissues A. carbohydrates B. Fats (My answer) C. Fiber D: Proteins
  50. Pre-Calculus

    Evaliuate the differnce quotient f(x+h)-f(x)/ h for f(x) = X^2 + 2x - 2 currently i have done (x+h)^2 + 2(x+h)-2 - x^2-2x - 2 / h the answer is 2x+h+2 but each time i try to work on the problem i don't get this answer... thanks in advance
  51. calculus

    solve the following exponential equation. 5^x=4 a. what is the exact answer? **I think it is In4/In5 b. what is the answer approximated to 3 decimal places.
  52. English

    Becca was helped/helping Corky with his homework last night. Answer: helped Blossom watched/watching her best friend study for the test. Answer: watching Plz check my answer. Thank you!
  53. Calculus

    (a) By graphing the function f(x) = (cos 2x − cos x)/x2 and zooming in toward the point where the graph crosses the y-axis, estimate the value of lim x → 0 f(x). (b) Check your answer in part (a) by evaluating f(x) for values of x that approach 0. (Round your ...
  54. Calculus

    (a) By graphing the function f(x) = (cos 2x − cos x)/x2 and zooming in toward the point where the graph crosses the y-axis, estimate the value of lim x → 0 f(x). (b) Check your answer in part (a) by evaluating f(x) for values of x that approach 0. (Round your ...
  55. algebra

    If you write a check without enough money in the bank a certain store will charge you a penalty if the check is returned to them from the bank. The penalty is 15% of the amount of the check plus a $25 processing fee. Let the "n" amount of the check and the
  56. Algebra

    Hello, can someone check my answers to the following Algebra questions 1. (2y)(-2)= My answer - 2 * -2 = 0 Translate 2 and 3 into an euation 2. Four less than the quotient of x divided by 2 is 8. My answer - (x * 2) -4 = 8 3. The sum of two consecutive integers is 35. My ...
  57. Finite Math

    Fifty percent of students enrolled in calculus class have previously taken pre-calculus. Thirty percent of these students received an A for the calculus class, whereas twenty percent of the other students received an A for calculus. Find the probability that a student selected...
  58. Sapnish-Please check SraJMcGin

    Please check if you have time we had to select the correct answer for the two questions 1.¿Ellas te escuchan? Ellas me escuchan. 2. ¿Me escuchas? Te escucho.
  59. Probability - Check

    Could someone check these answers for me. Thanks 1. (3x+y)^7 = 2187x^7 + 5103x^6y + 5103x^5y^2 + 8505x^4y^3 + 2835x^3y^4 + 567x^2y^5 + 63xy^6 + y^7 2. Eight people are boarding an airplane. Two have tickets for first class and board before those in the economy class. In how ...
  60. Spanish-Please check SraJMcGin if possible

    Please check if you have time we had to select the correct answer for the two questions 1.¿Ellas te escuchan? Ellas me escuchan. 2. ¿Me escuchas? Te escucho.
  61. Pre-Calculus/Trivia

    csc(theta)= 1/x sec(theta)= 1/ sqrt(1-x^2) cot(theta)= sqrt(1-x^2)/x What are these equations used for in real life matters or in regards to calculus? Can't seem to find the answer anywhere :/
  62. precalculus/check please

    Find the difference quotient by using f(x+h)−f(x)/h 1) f(x) = √(2x+1) answer (√(2x+1+2h) - √(2x+1))/h can you check please
  63. MATH 156

    can some one please check if my answer is correct. Write the number in scientific notation. 15)0.000 294 Answer: 2.94x10^(-4)
  64. algebra

    • After solving a system of linear equations, how can you check your answer to determine whether it is correct? Demonstrate the process of checking an answer with an example
  65. Soanish-8th grade please check answer

    I'm not sure what they're asking in this question- are they asking where you are when you vacation? ¿Dondé te ustedes cuando de vacaciones? Answer-Yo estoy en Florida.
  66. Calculus-Check please?

    Fabio stands atop his 16 foot ladder when he realizes that the ladder is slipping down the side of the building. He decides that the base of the ladder is moving away from the bottom of the building at a rate of 2 feet per second when it is 3 feet from the bottom of the ...
  67. Algebra

    Check these answers? ? 3x + y = -8 My answer: y=-11 2x - y = 11 My Answer: y=13
  68. Math ~ Check Answers ~

    #5 X: 0, 1, 2, 3 Y: -4, -3, -2, -1 a.) -1 b.) 1 c.) -4 d.) -7 (My Answer)*** #6 X: -1, 0, 1, 2 Y: -4, -1, 2, 5 a.) -5 b.) -3 (My Answer)*** c.) -1/3 d.) 3
  69. Math

    Can someone check my answer? 5.5g+3=7+3g A.2**(my answer) B.-2 C.5 D.-5
  70. Educational Technology

    'Scuse me, but I'd just like to check if my answer is right: 2. Which of the following is a true statement?: A. If it is printed or posted on the web, then it is a fact. B. Websites must go through a validity checker before they can be posted on the Internet. C. Experts ...
  71. French

    Could you please check these thanks. Directions: Complete with either payer or essayer. 1. Vous -------- où? (Payer) Answer: payez 2. On ------ à la caisse. (Payer) Answer: paie 3. Je -------- parce que j'invite. (Payer) Answer: paie 4. Il va -------- la chemise? (Essayer) ...
  72. Math...Algebra :S

    Hi, okay um. I'm trying to get his math question (Algebra :o) and i'm not quite sure what i'm doing---but everything i do, i get the wrong answer. The Question is 2m+n M= 2/5 and n= 1/2 (Fractions) Everytime i do the question, i get 9/10 as a answer...but i check the textbook ...
  73. Calculus

    assuming that you wish to have $19000 in 7 years and that the account earns 6% compounded continuously. Round your answer to the nearest cent. Answer:
  74. Calculus

    Evaluate: integral x^3/[sqrt*(x^2+100)]dx can someone tell me what they get as a final answer..I've been going at this for hours and don't get the answer in the back of the textbook
  75. Calculus

    Evaluate: integral x^3/[sqrt*(x^2+100)]dx can someone tell me what they get as a final answer..I've been going at this for hours and don't get the answer in the back of the textbook
  76. calculus

    Let 4xy^3 - x^2y= 5x - 6 - x^3 where y is a differential of X. Find y' in terms of x and y. I get: y'= -4y^3 - 2xy + 3x^2 -5 / x^2 -12xy^2 My answer handout shows the answer as positive. Which should it be, neg. or pos.? Thanks
  77. calculus

    hello! i just needed help to verify or falsify my answer and any explanation as to why would be extremely helpful! thanks ahead of time. y=(x^2)-6x+10 a. at x=3 b. at x=0 c. at x=1 d. at x=-3 my answer was D. thanks again!
  78. calculus

    hello! i just needed help to verify or falsify my answer and any explanation as to why would be extremely helpful! thanks ahead of time. y=(x^2)-6x+10 a. at x=3 b. at x=0 c. at x=1 d. at x=-3 my answer was D. thanks again!
  79. Calculus

    Find the solution t the differential equation dz/dt = 2te^z that passes through the origin. My answer is -In (1-t^2), but my answer is populating as incorrect. Can someone help please?
  80. math

    Generalize this to fine a formula for the integral: sin(ax)cos(bx)dx Could someone tell me what they got for an answer so I can check it to see if my answer is right. My answer: -1/2sinasinbx^2-1/3acosaxcosbx^3+ integral 1/3 a^2cosbx^3sinax..I'm not sure hot to find the ...
  81. Calculus AB

    I had to integrate [(x^2+1)/(x^2-x)]dx with partial fractions. My answer was 2ln abs(x-1) -ln abs(x)+C. But the answer on the answer sheet has an extra +x that I did not account for. Is that a typo or did I integrate incorrectly?
  82. Math question and answer check

    Consider the probability function. (Give your answers exactly.) P(x) = 5 − x 10 , for x = 1, 2, 3, 4 (a) Find the mean. Incorrect: Your answer is incorrect. (my answer was 1). (b) Find the standard deviation. (my answer was 1 also on this one. Please help, I just cant ...
  83. Calculus 12th grade (double check my work please)

    1.)Find dy/dx when y= Ln (sinh 2x) my answer >> 2coth 2x. 2.)Find dy/dx when sinh 3y=cos 2x A.-2 sin 2x B.-2 sin 2x / sinh 3y C.-2/3tan (2x/3y) D.-2sin2x / 3 cosh 3yz...>> my answer. 2).Find the derivative of y=cos(x^2) with respect to x. A.-sin (2x) B.-2x sin (x^2...
  84. Calculus

    which of the following is not a type of break in the graph? a) holes b) horizontal asymptotes c) jumps d) vertical asymptotes I know for sure that a is not the answer and i doubt that c is the answer. I think the answer would be b. 2. Describe what can be inferred about the ...
  85. Calculus, check my answer, please! 2

    Consider the following functions: f(x)=sin(x^4-x^2) h(x)=(|x|-3)^3 g(x)=1n(|x|)+3 s(x)=sin^3(x) Which of the following is true? h and g are even, f and s are odd. f is even, h and s are odd. h and s are even, f is odd. ***f and h are even, s is odd. f, h, and s are odd.
  86. pre calculus

    determine the order of magnitude for the following: 1. a $1 bill and a dime 2. two products scored a PH level of 6.1 and 4.o I can't figure out #1… but I did get #2 to be 10^2.1 Please help with #1 and check to see I did #2 right?
  87. Math please check answer

    Please check my answer thanks :) Find the equation of 9 (2x-18)=36 9(2x)-9 (18) =36 18-162 =36 18-162 =36 18x162 =36 +162 +162 ------------------------- 18x =198 18x 198 ----------- 18 =18 x =11
  88. Math please check answer

    Please check my answer thanks :) Find the equation of 9 (2x-18)=36 9(2x)-9 (18) =36 18-162 =36 18-162 =36 18x162 =36 +162 +162 ------------------------- 18x =198 18x 198 ----------- 18 =18 x =11
  89. MATH: Check my answers | HELP ASAP!!

    A parking lot space is in the sape of a retangle. if the space has a length of 23 ft and a width of 12 ft, what is the area of the parking lot? A.128 ft B.266 ft C.276 ft######### D.138 ft Check my answer please! I think I'm right.
  90. Geometry MATH CHECK

    Check? In your own words, explain why we use the formula AB = |a - b| to find the distance of a segment. Include why you need to subtract and why you need to take the absolute value. We use that formula |a-b| because a and b are representing coodinate numbers you need to ...
  91. physics

    At what projection angle will the range of a projectile equal to 6 times its maximum height? Just need answer, i have done all of the work and want to check my answer
  92. math 116

    After solving a system of linear equations, how can you check your answer to determine whether it is correct? Demonstrate the process of checking an answer with an example.
  93. Calc

    Use the Intermediate Value Theorem to check whether the equation x^3–3x+2.1=0 has a root in the interval (0,1) answer: yes or no ? i have no idea how to answer to go about solving this question, thanks for the help!
  94. Cardiovascular Respirtory

    Which one of the following words means "the surgical repair of the larynx? A.Laryngectomy B.laryngostomy C.Larynoplasty D. Laryngostenosis My answer is (A) can someone check my answer
  95. Cardiovalscular

    Phonology refers to the science which treats A. vocal sounds B. heart rhymths C.nutrional deficiencies D. blood disorders my answer is (C) can someone check my answer
  96. algebra2 please check my answer thanks

    find the vertical asymptotes of the following rational function(remember VA is X) x+6/(x^2+11x+30 ) my answer is x+6/(x+6)(x+5) cancel alike term i get 1/(x+5 )and V.A:x=-5 is that right thanks
  97. algebra2 please check my answer thanks

    find the vertical asymptotes of the following rational function(remember VA is X) y=x+6/(x^2+11x+30 ) my answer is x+6/(x+6)(x+5) cancel alike term i get 1/(x+5 )and V.A:x=-5 is that right thanks
  98. Math

    What is the best estimate for the quotient. 5,397 division sign 62 a. 80 b. 90 c. 800 d. 900 My answer to the above is b Can you please double check my answer and let me know if I am right or wrong
  99. math

    Use the distributive property to write an expression that is equivalent to the example below: 5(2x + 7) I think my answer is... 45.....How I got this answer was 5 x 2 + 5 x 7=45 10 + 35 = 45 Can you please double check my work?
  100. Derivative Calculus

    I just need my answers checked. 1) Find the derivative. f(x)=3x^5/4 - 8/9x^9/8 + x^2 - 9x + 1 Answer: f’(x)= 15/4x^1/4 - x ^1/8 + 2x -9 2) Let f(x)= 7x^3 - 9x. Find f’(5) Answer: f’(x)=21x^2-9 f’(5)=516 3) Find the given limit by evaluating the derivative. lim h⇒...
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