Calculus (Answer Check)

88,900 results, page 73
  1. Algebra..

    f(x)= x^2+3 ; g(x)=3x-1 Check These Please? 1.(fg)(-1) = 5 2. (f o g)(1) =10 How would you solve this? 1. (g o f)(x)
  2. Check my previous post

  3. alg

    sqrt(3x^2)=-18 check:
  4. Math

    m•10-m•2=8 I think m=1 please check my work
  5. Check Work (Math)

    1/3 > 6/10
  6. algebra

    where should l go and check my answers
  7. Math 8R - Homework Check

    1/8 + 1/2 = 7/10 3/4 + 5/6 = 1 7/12 7/9 + 5/6 = 1 11/18 1/4 + 1/2 = 1 2/6 2/3 + 1/2 = 2
  8. Math

    x * 2x = 2x^2 (check) 5x^3 + 2x^5 = ? Can you add these two?
  9. Math

    Pls check (3×8+4^2)-9 24+16 40-9 31 6×(10+6)-6^2 6×16 96-6^2 96-36 60
  10. Math (Check My Steps)

    (1)/(2^0) 1/1 = 1
  11. Math

    Please check to see if this is correct? y-5 = -2 (x-3) y-5 = -2x + 6 y = -2x + 11
  12. algebra compare <>=

    can you check if im right? -7 = 7 |-3|= |3| |-9| > -4 8 > -15
  13. english

    can anyone check my work?please
  14. Math

    Simplify. ((2-5m)/(m-9))+((4m-5)/(9-m)) Check this: (-9m+7)/(m-9)
  15. Math

    Can you please check to see if these are right? We have to set each of them to y. Thank You. x-y=-3: y=-3x 2x+y=5: y=5-2x 2x+y=8: y=8-2x
  16. Com

    Does anyone on here use Writepoint to check your work??
  17. algebra

    8x-11 < -27= 8x+11< -27= 8x=ll-27 8x=-16 x=-2 Check this problem.
  18. math

    CAN ANYONE CHECK THIS FOR ME PLEASE! NEED IT ASAP.. 5 < x -2 < 11 a. 5 < x < 11 b. 7 < x < 13 **** c. 7 < x < 11 d. 5 < x < 16
  19. math

    please check. thanks. (8.3 x 10^-15) (7.7 x 10^4) = 6.391 x 10^-10 Is that right?
  20. Chemistry: Check

    1. The amou
  21. Math

    4s-(3-2s)-6=9 Please check my work: 4s-3+2s-6=9 6s-9=9 3s=18 s=3
  22. Geometry

    2. If m 1= 53 what is m<4. 53 43 *** 37 27 3. If m 1= 55 what is m<5 55 40 *** 35 25 Please check my answers.
  23. Math

    7/8-5/12= 21/24-10/24=11/24 Can you check to see if I did this right and if not can you help me figure it out. Thank you for all your help.
  24. Algebra - check to see if correct

    (a+7)/(a-4)+(9-5a)/(a-4) i got 6+40/a-4
  25. Pre-algebra

    Check? 1. 15-2 35/99 =12 64/99
  26. math

    Please check -37=3x+11-7x -48=11x X=2 2/7 -m/3-2=10 -m/3=6/-3 M=-2
  27. English

    Hi can you check please if I did correct!
  28. math

    Y^2-4y+3/y^2-9*4y+12/y2-2y+1= 16y^4+36/2y^5+8 check this please
  29. Algebra. .

    Can you check 2/3 k = 60 I got:: 3 2 k = 60 * 3 = 90 ________________ 2 3 1 2 = 2 K = 90/2 K = 45
  30. math

    Please check 5n-30=-20 N=2 5=h/4+9 H=16 -m/3-2=10 M=-36 M/8+5.6=9.85 M=34 36-4r=24 R=3 14==-16-10n N=3 -4x+7=-9 X=4 3y-6=20 Y=8 2/3 6n+16=36 N=3 1/3
  31. S.S.

    Ms.Sue can you please check my questions they are down below.
  32. To Drbob222

    Please check my post again
  33. Math Please check

    -4x+3y=12 Solve for y I got: 12+4x/3 Is that right?
  34. math

    2/3x+1/x=1/6 2x+3x=1/6 5x=1/6 check problem
  35. Math

    multiply and check (a^2+4)(5a^3-3a-1)
  36. Math

    -80=8b-15+5b How do I solve this and what does check mean?
  37. college algebra

    x/2-x/x-4=-4/x-4=-4x^2/2 check this please
  38. Earth Science

    Please check down below.
  39. Math check

    Subtract -28 - (-33)= -61
  40. pre-algebra

    3x + 4=19 x=5 -32=24-2f f=16 Please check.Thank you.
  41. pre-algebra

    3m-4=14 m=6 11=2y-15 y=13 Please check Thank you.
  42. math

    8x^3+125 (2x)^3+(5)^3 (2x+3)(5x^2-6x+25) check this for me
  43. algebra

    Splve and check N =
  44. Math 8 - homework qs. check

    2x - x = 3 - 1 1x = 2/1 x = 2
  45. UOP

    necessary to perform a check?
  46. algebra

    x^2-4/X^2+3x+2=(x-2)(x+2)/x(3x+2)=(x-2)/x3 check this problem
  47. Math please check my work

    4x(3-y) - 2x + xy I got 64. Is that right?
  48. Help

    Ms.Sue can you check my answers please their down below.
  49. math

    hi, can someone check these answers for me 1.8-13=-5 2.-4-10=-4 3.5-24=-19 4.7-(-3)=10 5.-2-(-6)=4 6.-18-(-7)=-11 thanks
  50. Math please check

    p= -3; q=2 2q(p+q)+3pq I got -22
  51. Dr.Bob

    Please explain your convaluted answer? There is a finite answer. If you care to not give the finite querys answer,Don't reply
  52. Math

    This is for elementary students If you had 2 1/5 subtract 1 1/5 what would your answer be I know this answer and if you are not a elementary student don't answer this is from a fellow teacher Mrs.May
  53. Visual Basic (Computer Programming)

    ALGORITHM EXERCISES 1. Wilma Peterson is paid by the hour. She would like a program that both calculates and displays her weekly gross pay. For this exercise, you do not need to worry about overtime pay, as Wilma never works more than 40 hours in a week.
  54. Economics (inflation)

    Hello! Could someone please check my answers for the first 2 problems and help me out with the 3rd? Thanks! 1. If the CPI in 1863 was 9 and the CPI in 2000 was 171.9, how much has inflation increased (%) since 1863? I used the inflation rate equation and
  55. Computer Architecture

    home / study / engineering / computer science / computer science questions and answers / 4.7 problems in this exercise assume that the logic blocks used to implement a processor’s ... Question: 4.7 Problems in this exercise assume that the logic blocks
  56. Reading

    Can someone help me with this answer check if its right ok the question says After Reading discuss what you think people can learn from those who are dying? So i put Well people can learn a lot from kids that are dying. The kids can sense of their sight,
  57. Honors Geometry

    You work for a fencing company. A customer called, wanting to fence in his 1,320 square-foot rectangular garden. He ordered 148 feet of fencing, but you forgot to ask him for the width and length of the garden (these dimensions will determine some of the
  58. Science

    Can someone please check my answers? I would greatly appreciate it. Thanks! 1. Which of the following inner planets has virtually no atmosphere? a. Mercury*** b. Venus c. Mars d. Earth 2. Which of the following statements about the inner planets is true?
  59. plz check my math ._.

    independent and dependent event check if my answers are right 1. tossing a coin twice- independent 2. pulling 2 socks from a drawer at the same time- dependent 3. drawing 2 marbles out of a bag- dependent 4. spinning a spinner 5 times- independent 5.
  60. Biochemistry, Biology, Chemistry

    An enzyme works on two substrates, S1 and S2. Its Km for S1 is 100mM and its Km for S2 is 10mM. Based on this information, answer the following questions: 1. For a given [E] will it have a higher Vmax for S1 or S2? Explain your answer 2. Is S1 or S2 a
  61. Algebra 2

    I'm working on Lesson 6: Absolute Value Equations and Inequalities Algebra 2 A Unit 2: Expressions, Equations, and Inequalities and feel confident in my first few answers, but beyond that am lost. May I have some help? **=the answer I believe to be true
  62. Social studies check answers ***damon***

    please check these answers 1.A 2.C 1. where would you most likely find south americas largest cities? A. Mountains B. rain forests C. coastlines D.deserts 2. how did human migration most contribute to ethnic diversity in south america today? A. people came
  63. exponents

    i know this is simple but what is the answer to the -3 squared? -3 squared is 9. Check this site for more information. Well then I do not know how to use my calculator. Every time I put in -3 to the second power
  64. thermodyn. please check work

    What is the sign of heat(Q), Work(W), or Temperature for these following situations. Say if it's +,-, or 0. 1)You hit a nail with a hammer: +W, Q=0, T=0 2)You hold a nail over a Bunsen burner: Q=+Q, Temp:constant, W=0 3)You compress the air in a bicycle
  65. english

    Just wanted someone to check and see if I have these correct. I am suppose to correct the dangling modifers. 1. Flying over the oak tree, the farmer saw the flock of birds that had damaged his crops. MY ANSWER: The farmer saw the flock of birds that had
  66. Calculus

    If you had a computer that could track the number of cereal boxes on the shelf of a market continuously over a 1-week period would you expect the graph of the number of boxes on the shelf versus time to be a continuous (unbroken) curve? Explain your
  67. Calculus

    I don't know limits fairly well. The problem is prove the limit using definition 6, lim x -> -3, 1 / (x+3)^4 = infinity. The books definition for definition 6 is, let f be a function defined on some open interval that contains a, except possibly at a
  68. please check over my work

    A 2.5 kg stone is released from rest and falls toward earth. After 4s, the magnitude of its momentum is: My work: J=F*t =(F *t)= 24.5N * 4s F= 2.5 *9.81= 24.5 J=P P= 98kg m/s A sphere X, of mass 2kg, is moving to the right at 10m/s. Sphere Y, of mass 4 kg
  69. Calculus

    Which of the following functions grows at the same rate as 3^x as x goes to infinity? a)2^x b)sqrt(3^(x)+4) c)sqrt(6^x) d)sqrt(9^(x)+5^(x)) I tried this, but I'm not sure how to deal with the square roots when using l'hopital's rule. I don't think the
  70. math,correction

    add 5y-4 and 2y^2-8y my answer is: 2y^2-3y-4 classify the following, if possible 7x^2+10xy+y^2 a)not classified b)trinomial c)monomial d)binomial My answer: trinomial Write using positive exponents, and simplify if possible (-3x)^-2 a)(1)/(6x^2)
  71. math

    On a TV game show, a contestant makes $800 for every correct answer but loses $500 for every wrong answer. After answering 26 questions, Sarah broke even. How many questions did she answer correctly?

    Need help with combining like terms How do I figure this out... 11+5t^2+t+6t If anyone can help I would really appreciate it. I helped BELOW!!!LOL See the answer below which I posted as a correction to the answer provided by Margie and Dr Phil. The correct
  73. MATH

    On a TV game show, a contestant makes $600 for every correct answer but loses $500 for every wrong answer. After answering 22 questions, Sarah broke even. How many questions did she answer correctly?
  74. Math, Algebra.

    2. Sylvia has 6 1/2 boxes of chocolate to share at a family picnic. If she gives each person 1/3 of a box, how many people can receive chocolate? 13, 17, 19, or 21? I believe that the answer is 19. Take 6 1/2, divided by 1/3, and get 19 1/2. Since 19 is
  75. math

    first multiply first 2 digits, wrire answer side by then multiply1st and 3rd digits write answer next to earlier answer. Then add both answers and minus middle digit of the question
  76. physics

    I found out how I was messing up and getting the wrong answer. I entered (-30) squared + 49.5 squared then took the square root of the answer getting 39.37 instead of 57.88 which i figured out was the right answer, I didn't enter all in my calc at the same
  77. Physics

    A truck travels beneath an airplane that is moving 100 km/h at an angle of 49 degrees to the ground. A) how fast must the truck travel to stay beneath the airplane? Answer in units of km/h The answer I got was 65.6 km/h, but i just wanted to make sure
  78. Spanish-Please check SraJMcGin

    1.¿Comó te sentiste ayer? Me sentí muy bien ayer. 2. ¿Adonde fuiste ayer? Yo fui al cine. 3. ¿Adonde fue tu mama ayer? Mi mama fue a la tienda. 4. ¿Visitaste a tu familia la semana pasada? Sí, yo visité mi familia la semana pasada. 5. ¿Donde
  79. math

    What is the way to find the answer to the problem....3x+1=10? My teacher told us in class but I just didn't understad it. The idea is to get the x all alone on one side. Subtract one from each side. Then, divide each side by three. 3x + 1 = 10 First
  80. Physics

    The heating element of a simple heater consists of a 2.2m--long, 0.70mm--diameter nichrome wire. When plugged into a 120 V outlet, the heater draws 7.5 A of current when hot. I found that the wire's resistance when it was hot was 16 ohms. Now using this
  81. Math

    A student answered the following skill-testing question to try and win a prize: (-4)^3-(-2)^4/2^2+5^2*7^0 The students answer was 5. Did the student win the prize? I couldn’t seem to figure out how to answer this question. I got the answer -13, but my
  82. To:Writeacher

    Thanks for your help! I have questions of subject math. What is 100 divided by 50? So 100 is the dividend and 50 is the divisor And answer is 50 Am I correct? What do you call the answer of the division problem? Your answer of 50 is correct. The answer in
  83. Check Answer!!

    Compute the probability that a person who tests positive actually has the disease. A certain disease has an incidence rate of 0.3%. If the false negative rate is 4% and the false positive rate is 1%, compute the probability that a person who tests positive
  84. Pre-Calculus

    Trigonometric Functions, Radian Measure ∏ <-- will be using this for pi Using exact values, convert to radians ( hint use fraction of ∏) 90° = 90°*∏/180° = 1∏/2 ^^would it be right to also call it 2∏ radians? Determine
  85. Geometry

    What is the circumference of the circle if the radius is: 5x-My answer was 57(x)pi. What is the radius if the circumference is: 30x(pi)-My answer was 2x. (x + y)pi -My answer (x+y)/7. What is the length of the arc if: radius=3 degree of measurement of
  86. need answer to check sons work

    alica finished the race 3.75 seconds before kaye. donna finished the race 5.09 seconds after carmen. carmen finished the race 10 seconds before kaye. ardens finished 4.89 seconds after kaye. how many seconds earlier did carmen finish than anders
  87. Chemistry (URGENT)

    In order to analyze the waste water containing Co^2+ from a manufacturing process, 1.0L of water was evaporated to 10.0mL, then placed in a spectrophotometer tube. The absorbance was found to be 0.20. Using your calibration curve, calculate the number of
  88. chemistry

    A 0.4671g sample containing sodium bicarbonate was titirated with hcl requiring 40.72ml. The acid was standardized by titrating 0.1876g of sodium carbonate FW 106mg/mmol requiring 37.86ml of the acid. Find the percentage of nahc03 fw 84mg/mmol in the
  89. Psychology

    Lorraine and Albert are discussing neurotransmitters, getting ready for an exam. Lorraine maintains that neuronal dendrites sort excitatory and inhibitory messages through a process of elimination dictated by reuptake activity. Albert, on the other hand,
  90. Calculus

    A ladder 15 feet long is leaning against a building so that end X is on level ground and end Y is on the wall. Point 0 is where the wall meets the ground. X is moving away from the building at a constant rate of 1/2 foot per second. (a.) Find the rate in
  91. calculus

    Find complete length of curve r=a sin^3(theta/3). I have gone thus- (theta written as t) r^2= a^2 sin^6 t/3 and (dr/dt)^2=a^2 sin^4(t/3)cos^2(t/3) s=Int Sqrt[a^2 sin^6 t/3+a^2 sin^4(t/3)cos^2(t/3)]dt =a Int Sqrt[sin^4(t/3){(sin^2(t/3)+cos^2(t/3)}]dt=a Int
  92. World History Answer Check

    1. What was the overall effect of Napoleon's Civil Code? A: The overall effect of Napoleon's Civil Code was to erode the remnants of the feudal system by further weakening the traditional power of the nobility and clergy. 2. Why did being a sea power help
  93. Calculus Please Help?

    A hawk flying at 25 m/s at an altitude of 150 m accidentally drops its prey. The parabolic trajectory of the falling prey is described parametrically by x=25t,y=150−4.9t^2 until it hits the ground. The variable x represents the horizontal distance
  94. word problem

    ok, this is probably a crazy question...but i just want to double check my answer. The question is: What is the least 9 digit number there is using the numbers 1-9 only one time. ??? 123456789 good, that makes me feel better. I was thrown by it at

    PLEASE HELP WITH PART E AND F THANKS!! Find the direction and magnitude of the following vectors. A⃗ =( 22 m )x^+( -15 m )y^ Express your answer in degrees using three significant figures. θA = THE ANSWER IS-34 Part B Express your answer in meters using
  96. math

    The roots of the equation x^4 - 3x^2 + 5x - 2 = 0 are a, b, c, d. By the relation y=x^2, or otherwise, show that a^2, b^2, c^2, d^2 are the roots of the equation y^4 - 6y^3 + 5y^2 - 13y + 4 = 0. The 2nd part of the question asks: find the value of s~2
  97. Algebra I - Answer check

    2. a) 7^12/7^4 = 7^8 b)x^11/x^5 = x^6 c)12x^5/3x^2 = 4x^3 d)7x^6y^3/14x^3y = .5x^3y^2 5. a) (2x)^3(3x^2)^4 = 648x^11 b)(5x)^7/(5x)^4 = 25x^2 c)(2x)^5/-8x^3 = -4x^2 d)(4x^2y^5)(-3xy^3)^3 = -12xy^4 6. How long does it take light to travel from the Sun to
  98. Statistics

    A sample of 148 values is randomly selected from a population with mean, μ, equal to 46 and standard deviation, σ, equal to 17. (Give your answers correct to one decimal place.) (a) Determine the interval (smallest value to largest value) within
  99. Calculus II

    Hi, I can't seem to find out how to do this. My textbook has two Q(t) values in the example and I don't know how to interpret this problem. An institute finds that the average student taking Elementary Machine Shorthand will progress at a rate given by
  100. SOCIAL STUDIES (CHECK answer)

    18, How would Clays American System with high tariffs on imported goods have benefited the west and south? He expected that money from tariffs would be used to help farmers ship their goods to the north He expected that Northerners would use their profits