Calculus (Answer Check)

88,703 results, page 46

  1. pre-calculus

    I posted a problem earlier and made a mistake the question is what is the domain and range of f(x)= log subscript 3 (1-x)? Sorry! The answer is the same. The domain and range will be the same as if it were log base 40.
  2. Calculus

    If f(x)= -4x^2+7 and x≤0, what is the equation of the inverse function? The answer is supposed to be f^-1(x)= -[√(7-x)]/2, but this is what I did: x=-4y^2+7 -4y^2=x-7 y^2=(x-7)/-4 y= √[(x-7)/-4] Did I do something wrong? By the way, for the original function...
  3. Calculus

    Find the limit lim as x approaches (pi/2) e^(tanx) I have the answer to be zero: t = tanx lim as t approaches negative infi e^t = 0 Why is tan (pi/2) approaching negative infinity is my question?
  4. calculus

    For what values of theta, on the polar curve r=theta, 0<=theta<=2pi, are there horizontal tangent curves? Vertical? I got one answer for the horizontal tangent. and it's theta = 0 but what are the other ones?/
  5. calculus

    For what values of theta, on the polar curve r=theta, 0<=theta<=2pi, are there horizontal tangent curves? Vertical? I got one answer for the horizontal tangent. and it's theta = 0 but what are the other ones?/
  6. calculus

    A spherical snowball is melting in such a way that its diameter is decreasing at rate of 0.2 cm/min. At what rate is the volume of the snowball decreasing when the diameter is 8 cm. (Note the answer is a positive number).
  7. calculus

    When a circular plate of metal is heated in an oven, its radius increases at a rate of 0.02 cm/min. At what rate is the plate's area increasing when the radius is 100 cm? Answer = _______ cm^2/min
  8. accounting/check please

    (hey i asked for help with accounting with a question i saw the same question at this site but when i click it it doesnt work is there anyway you can check it for me then what they posted there you can copy and post it here for me).my question was Tracy Migre, a certified ...
  9. English Check please

    in a dream within a dream which phrase is a context clue to the meaning of grasp? While I weep--while I weep!/O God! Can I not grasp/Them with a tighter clasp? a) While I weep b)O God! Can I not c) with a tighter clasp d)can I not grasp them My answer is B Another one from A ...
  10. Math

    Please Check My Answer: Find the probability that you throw a dart and land in the region labeled "G" Here is a link to the image: I can't place it in here, but if you google the question, the very first image that pops up (A square with different colors and a yellow line ...
  11. math--pre alg

    not sure i did right 3(f+2)+9=13+5f 3f+6+9 = 13+5f +9 3F+15 = 12+5F GOT MIXED UP SOMWERE HELP 3f +6 +9 = 13 + 5f 3f + 15 = 13 + 5f 2f = 2 f = 1 drwls is correct You are doing OK up to this point: 3f + 6 + 9 = 13 + 5f Now combine any like terms. (We can combine 6 + 9 to equal ...
  12. MATH please help CHECK ANSWER

    The cones are similar: Small Cone: Radius: 5 Length: 15 Large Cone: Radius: ? Length: 18 What is the radius of the larger Cone? Would it be 8?
  13. Math please check

    Find the unknown value in the percent proportion. 5/ = 4/100 My asnwear please check am I right? 5/x = 4/100 500=4x the unkown value is 125 So 5/125 = 4/100
  14. Math please check answer

    please see if I am right thanks Mary bought four shirts for $ 22.00 each, a pants suit for $212.00 and dress shoes for $85.00 Her sales tax is 6 % what is the total of her bill ? $22 x 4 = $88.00 $88.00 $212.00 + $ 85.00 ------------------------------------- $ 385 x 0.6...
  15. Pre-Calc-Please check

    I have three questions: 1. What is the remainder of (x^3 + 2x^2 - 5x+4) /(x-3) I think the answer is 34?? 2. Evaluate (4+5i)(2+2i) =4(2) +4(2i) + 5i(2) + 5i(2i) = 8 + 8i + 10i+10i^2(-1) =-2 + 18i 3. Using Rational Roots Theorem, list all possible rational root of f(x) = 2x^3...
  16. Algebra

    I'm not quite sure about these problems. I know how to do them, but it seems that I get the wrong answer. Maybe I'm supposed to get 'no solution' but I'm not sure. Could someone please help me with them? 5|6-5x|=15x-35 2|3x-7|=10x-8 1/4|4x+7|=8x+16 Ok for 5|6-5x|=15x-35 first ...
  17. L.A.-Check Answer

    According to "Life Without Gravity" why can astronauts' muscles become weak? a. Without gravity, the blood is rerouted from the legs to the head. b. Without gravity, the body "grows" as much as several inches. c. Without gravity, eating is difficult, so the body does not get ...
  18. calculus

    Show that the function f(x)=4x^3−15x^2+9x+8 satisfies the three hypotheses of Rolle’s theorem on the interval [0,3]. Then find the values of c on the interval [0,3] that are guaranteed by Rolle’s theorem. Give your answer as a set of values, e.g., {1,3,5,6,7}
  19. Calculus

    Let R be the region bounded by the y-axis and the curves y = sin x and y = cos x. Answer the following. a)Find the exact area of R. b)A solid is generated by revolving R about the x-axis. Find the exact volume of the solid.
  20. Calculus

    Let R be the region bounded by the y-axis and the curves y = sin x and y = cos x. Answer the following. a)Find the exact area of R. b)A solid is generated by revolving R about the x-axis. Find the exact volume of the solid.
  21. Calculus

    Sketch the region on paper. If it is a finite region, find its area. Round your answer to three decimal places. (If the area is not finite, enter NONE.) S = {(x,y) | x ≥ −4, 0 ≤ y ≤ e-x/2}
  22. dog behavior

    please check my answer thanks What benefit does an adult dog gain from being petted with long smooth strokes ? 1. The dog grows to be larger 2. The dog learns to be more dominant 3. The petting makes the dog physically stronger 4 The petting reduces stress I pick #4
  23. Calculus; Limits

    Evaluate limit, x -> a, [(x + 4a)^2 - 25a^2] / [x - a] My work: = limit, x -> a, (x^2 + 8ax + 16a^2 - 25a^2) / (x - a) = limit, x -> a, (x^2 + 8ax - 9a^2) / (x - a) = limit, x -> a, (x + 8a - 9a^2) / (-a) = (a + 8a - 9a^2) / (-a) = 9a^2 - 8a + 1 Textbook Answer: ...
  24. calculus 12

    7. ABC has vertices A(3,2,-5), B(4,-1,7) and C(-8,3,-6). a) Determine the area of ABC. b) Determine the coordinates of point D such that ABCD is a parallelogram. c) Is the parallelogram a rectangle? Justify your answer.
  25. Calculus

    The number of Internet host computers (computers connected directly to the Internet, for networks, bulletin boards, or online services) has been growing at the rate of f(x) = xe^(0.1x) million per year, where x is the number of years since 1990. Find the total number of ...
  26. Calculus

    A man of height 1.7 meters walks away from a 5-meter lamppost at a speed of 1.6 m/s. Find the rate at which his shadow is increasing in length. (Round your answer to three decimal places.) This problem is absolutely killing me I see a lot of examples like this on here but I ...
  27. Calc. checking answer

    Determine whether or not each of the following functions is invertible. Give your reasons for believing the function is invertible or not. Please check this for me. I am not sure if I am adequately explaining my answer and if my answer is right. a) y= log10(1 + 1/x) y'= ((1/(1...
  28. American Government

    Please check my answers 2. What does congressional power of the purse refer to? A. Congress taxes all individuals who earn money in the US B. Congress taxes all corporations who make a profit in the US C. Congress finances the federal government and all its programs D. ...
  29. English(check)

    Will someone please check my answers. I'm not sure what is the answer for #1. It is just too confusing. ** Italic. ()underlined. 1)Choose the answer that tells how to correct the sentence. If the sentence is correct, choose "correct." “I’ll make a deal with you,” Dad ...
  30. Calculus

    Please help simplify this expression: 2 log (base 4) ^9 - log (base 2) ^3 The answer should be log(base 2) ^3
  31. dog behavior

    Please check my answer thanks Which of the following conditions is an example of an intervening variable ? A painful stimulation applied just after the independent variable B. A loud noise causing a startle reponse C. Deperiving a subject of water 12 hours before training D. ...
  32. Special Education Setting Teachers Aide

    children with a language or speech disorde are A)sometimes suffering from an aphasia.(my answer) B)always learing challenged. C)able to receive special help only after the third grade. D)unable to use communication boards. can someone please check if this is right please
  33. Art And Design (Need to check one answer)

    Which of the following is a important aspect of a franchise a) Spending alot on advertising b) Having a unique and Interesting Menu c) Each franchise owner making a location distinct*** D) Customers having Identical experiences at different locations I was stuck between C and ...
  34. Calculus

    Given two problems: Problem A: Tau = Integral(0 to v) v/(q^2 - v^2) dv q = constant Problem B: Tau = Integral(V TO 0) v/(q^2 - v^2) dv q = constant Why is it that, SUBSTITUTION RULE is used in problem A, and QUOTIENT RULE is used in problem B? The two problems are somewhat ...
  35. Calculus

    If water is poured into a cup at a rate of 1 cubic centimeter per second, how fast is the dept of the water increasing when the water is 4 cm deep? r = 6 cm h = 9 cm V = 1/3(pie) r^2 x h V = (pie)r'h + 1/3 (pie)r^2 h' 6 / 9 = r / h 6h = 9r r = 3 / 4.5 h V = 1/3(pie) (3/4.5h)^2...
  36. Calculus rate of change

    Can you please check my answers and fix the ones if any that are wrong. Along with help on part d Consider the following fun f(x)=(3/4)x^3- x^3-3x^2+6x A.find relative extrema and identify max and min. I got x=1 max ,±√2 min B.determine the interval(s) where f(x) is ...
  37. algebra check answer

    To determine the number of deer in a game preserve, a conservationist catches 494 deer, tags them and lets them loose. later 463 deer are caught 231 of them are tagged. how many are in the preserve ? I came up with 494 in the preserve
  38. us history

    1. during the 1950 americans placed the most value in a. comfort and security. b security and cauton. c. adventure and excitment. d. rock and roll and nigth. answer d. 2. one of president truman greatest challenges in reconverting to a peacetime economy was a. securing passage...
  39. Math(Please check answers)

    Factor completely. If the polynomial cannot be factored say it is prime. 1) 15x^3 + 19x^2 + 6x A) (3x^2 +2)(5x+3) B) x(3x+2)(5x+3) C) x^2(3x+2)(5x+3) D) x(5x+2)(3x+3) E) Prime I chose E) Prime. 2) 2x^2 - 14x - 6x + 42 A) 2(x+7)(x+3) B) (x+7)(2x-6) C) 2(x-7)(x-3) D) (x-7)(x-3) ...
  40. dog behavior

    please check my answer thanks for your help :) Which of the following is an example of an unconditioned response? A. begging behavior at meal time B barking to get attention C Salivatig when food is taken ito the dog 's mouth D salavating when the dog hears the owner preparing...
  41. Calculus

    A bacteria population is 3000 at time t = 0 and its rate of growth is 1000 · 6t bacteria per hour after t hours. What is the population after one hour? (Round your answer to the nearest whole number.)
  42. Calculus

    A bacteria population is 3000 at time t = 0 and its rate of growth is 1000 · 6t bacteria per hour after t hours. What is the population after one hour? (Round your answer to the nearest whole number.)
  43. Calculus (urgent!!)

    Consider the function f(x)=12x^5+60x^4−100x^3+4. For this function there are four important intervals: (−INF,A], [A,B] ,[B,C] , and [C,INF) where A, B, and C are the critical numbers. Find A, B, and C. At each critical number A, B, and C does f(x) have a local min...
  44. Science

    The theory of demographic transition is based on the idea that industrial development causes __________ and ___________ progress that affect population growth rates. Please check your assigned reading and post your answer. We'll be glad to help you when we see your thoughts ...
  45. Chemistry check and help

    so for all the chemical formulas if there is no subscript (for the valency of the element) does it mean it is a one or do i have to find the valency on the periodic table of elements? ex. P02 the P for Phosphorus doesn't have a number does it mean it is a one then ex.SO3 ex....
  46. Drivers Ed.

    What conditions determine an open rear zone? What are the three stopping positions? When turning, where should your last check be? When must you check your mirrors? When turning left, what should your searching procedure look like? When entering a roadway from an alley, ...
  47. Integration

    Intergrate ¡ì sec^3(x) dx could anybody please check this answer. are the steps correct? thanks. = ¡ì sec x d tan x = sec x tan x - ¡ì tan x d sec x = sec x tan x - ¡ì sec x tan^2(x) dx = sec x tan x + ¡ì sec x dx - ¡ì sec^3(x) dx = sec x tan x + ln |sec x + tan x...
  48. Mrs.sue help me plz!!

    The boys got into bed Byron was up in his top bunk and Kenny was down in the bottom Kenny was so exited that he was talking a mile a minute although he realized that he was probably just talking to himself. Byron was still upset about the trip so he refused to answer. There ...
  49. Math (Algebra)

    How do you simplify the following fraction; 72 --- -68 I know the answer is -18 --- -17 What I do not know is how this is the answer.The example I looked at did not tell me how it came to the answer. What do I do to find the answer?
  50. CALCULUS

    If cos(t)=–7/9, find the values of the following trigonometric functions. Note: Give exact answers, do not use decimal numbers. The answer should be a fraction or an arithmetic expression. a) cos (2t) b) sin (2t) c) cos(1/2) d) sin (1/2) i don't even know what this question ...
  51. Calculus

    An offshore well is 2 miles off the coast. The refinery is 4 miles down the coast. If a laying pipe in the ocean is twice as expensive as on land, what path the pipe should follow in order to minimize the coast. Is the answer 2.1? Can you some list their steps?
  52. Pre-Calculus

    The angle θ is in the second quadrant and tan θ = -3/5. Point P is on the terminal arm of angle θ/ Which is a possible coordinate for P? A) (-5,√29) B) (-3,√29) C) (-10,6) D) (-6,10) I drew the triangle, and aren't the coordinates supposed to be (-5...
  53. math, calculus

    1. Consider the region bounded by the curves y=|x^2+x-12|, x=-5, and x=5 and the x-axis. A. Set up a sum of integrals, not containing an absolute value symbol, that can be used to find the area of this region. B. Find the area of the region by using your answer from part A. ...
  54. calculus

    A container of hot liquid is placed in a freezer that is kept at a constant temperature of 10°F. The initial temperature of the liquid is 160°F. After 5 minutes, the liquid's temperature is 60°F. How much longer will it take for its temperature to decrease to 20°F? (Round ...
  55. calculus

    derivatives differentiate y=x^7/3 So far I have Y=7/3X Is this all there is to this problem? Using the power rule, you bring the exponent down, just like you did. Then, you subtract one from the given exponent to get the new exponent. 7/3 - 1 (which is 3/3) gives you a new ...
  56. Calculus

    Evaluate the limit, if it exists. lim (sqrt(x+2) -3)/(x-7) (x -> 7) I tried multiplying the numberator and denominator by the conjugate of the numberator (sqrt(x+2) +3) but, unless I multiplied wrong, I still ended up getting 0/0, when my calculator and the book say that I ...
  57. calculus

    Find the dimensions of the right circular cylinder of greatest volume which can be inscribe in a right circular cone with radius of 5 inches and a hieght of 12 inches(hint:use similar triangle property).also draw a label diagram....plz answer its too urgent
  58. Maths (Calculus)

    A current i = 50sin 100πt mA flows in an electrical circuit. Determine, using integral calculus, its a) Mean Value b) RMS Value each correct to 2 decimal places over the range t = 0 to t = 10 ms I need to do this two way so I was thinking of using the trapezoidal rule and...
  59. Algebra

    I have 3 questions with my answers and would like you to check them. If they're wrong, then please provide and explanation to how to do them. Thank you tutors. Write each sentence as an equation. 1. Eight less than 1/3 a number n is -13. My answer: 1/3-8n = -13 2. A number f ...
  60. Calculus

    The radius of a 12 inch right circular cylinder is measured to be 4 inches, but with a possible error of ±0.2 inch. What is the resulting possible error in the volume of the cylinder? Include units in your answer. V = πr²h = 16πr² dV/dr = 32πr dV = 16πr dr Let dV and dr...
  61. maths, algebra

    State the degree of each of the following: a)3 b)x^0 My answer for a) was: 1 My answer for b) was: 1 BUT at the back of the book, the answer for a) was 0. The answer for b) was also 0. I just don't understand why I'm wrong.
  62. math

    I checked the answer in my textbook on what the answer is if I factor 2x^2-x-10 The answer is (2x-5)(x+2) That answer makes sense to me if I expand it I'll get 2x^2-x-10. My issue is I don't know how I would get 2x^2-x-10 in factored form
  63. Math

    Find the horizontal change and the vertical change for the translation P(4,-4) (-4,7) 1) right 8; up 11 2 )left 8; down 11 3)right 8;down 11 4)left 8; up 11 #4 is my answer. Can you check? Thanks
  64. algebra

    Check my answer? What is the order of the numbers from least to greatest? A= 6.2x10^5, B= 1.1x10^-3, C= 4.3x10^-3, D= 5.2x10^-5 I think it's D,B,C,A (5.2x10^-5, 1.1x10^-3, 4.3x10^-3, 6.2x10^5)
  65. math

    Lydia is comparing two checking accounts, one has a monthly fee of $10 and a per-­check fee of $0.10, and the other has a monthly fee of $5 and a per­-check fee of $0.25. What is the minimum number of checks Lydia needs to write for the first bank to be a better option?
  66. exceptional children

    a naturalistic language-learning environment a occurs mostly in the home b. is created whenever a child is communicating with others c. occurs mostly in speech therapy d. excludes speech therapy I chose "c" as my answer can someone please check
  67. chemistry(Please check)

    1) In comparing the phase diagram for water with that of a solution of sugar in water, all of the following decrease except a) the vapor pressure b) the boiling point c) the freezing point d) the triple point I chose the boiling point as the answer. Is this correct? Thank you.
  68. Science 7R - HW Qs. Check (Q2)

    why are there fewer organisms as you move toward the top of the energy pyramid? answer - As you move up the pyramid the transfer of energy (10 pct per level is transfered) is less efficient & each level becomes smaller. am i correct???? (please be honest)
  69. Chem Check Please!!!

    Calculate for the electrochemical cell below, Ag(s) | AgCl(s) | Cl–(aq) || Cu2+(aq) | Cu(s) given the following standard reduction potentials. Cu2+(aq) + 2 e– -> Cu(s) E = +0.337 V AgCl(s) + e– -> Ag(s) + Cl–(aq) E = +0.222 V a. –0.115 V b. –0...
  70. Science -- Check my Answer Plz

    How much heat (calories) must be applied to a 100 mL beaker filled with boiling water in order to vaporize the water? ** A) 540 cal ** B) 540 * 10^4 cal C) 800 cal D) 8000 cal Is A correct? or cud it be B.?
  71. English

    Why don't we go to the park together? 1. I don't feel like it. 2. I'm sorry,but I can't. 3. I'm sorry I can't. 4. Sorry I can't. 5. Sorry, but I can't. 6. I'm afraid I can't. 7. I'm afraid, but I can't. 8. Afraid I can't. 9. I'm afraid that I can't. ================== There ...
  72. Math - Could Someone Check My Work?

    Could someone check my work please? Thank you! (14a^2b)(2ab^2c) = 28a^3b^3c (a^25)^7 = a^125 6x^6 ∙ 6x^6 = 36^12 (2x^2)^3 = 8x^6 (-2)0 = 1 30x^20/(6x^9 = 5x^11 4x^5 ∙ 6x^6 = 24x^11 (2x^4)^3 = 8x^12 -4^2 = -16 -(193)^0 = -1 (-193)0 = 1 (-5)2 = 25 ((6x^7)/(2x^2 ))^2...
  73. math

    22and9/10's - 18and2/5=? You need to get the same denominator in the fractions. 2/5 = ? / 10 Then subtract the fractions and the whole numbers. If you post your answer, we'll be glad to check it for you. Raven: Please don't post your entire name on any website, or reveal ...
  74. Alg-Substitution (check plz)

    k well i had to use substitution to find the point of intersection for these 2 equations x-y=10 3x+y=11 i chose to substitute y in the first equation my final answer was (-1/2 , 5) can someone clarify this, and if it's wrong, where'd i make a mistake? In the first equation, y...
  75. dog behavior

    please check answer thanks Modeling is a training technique that involves A. providing one dog as an example for another dog to follow B. giving positive reinforcement for correct behavior C. using dependent and independent variables in an experiment D. habituating a dog to a ...
  76. check my science hw please.

    18. Which of the following would be a cost of drilling for oil in Antarctica? A. The supply of heating fuel would be increased. B.There would be a greater opportunity to study wildlife there. C. An oil spill could harm food sources for penguins. D. Many new jobs would be ...
  77. English

    Choose the best word to describe labyrinths ...His clothes were in tatters, as if he had sailed through labyrinths of coral. A) Circular tunnels B) Blind alleys*** C) Colorful palaces D) Tide pools A labyrinth is a maze right? So is it B, blind alleys. Can someone please check...
  78. Math 8R - HW Qs. Check

    Fill in the numbers to continued the pattern. 1000, 900, 700, 400, ____, -500, _____ My Answer - 1000, 900, 700, 400, 0 , -500, 1000 1000 - 100 = 900 900 - 200 = 700 700 - 300 - 400 400 - 400 = 0 0 - 500 = -500 -500 - 600 = -1,100 Is my answer is correct???
  79. pre-calculus

    solve the equation 1. In x + In (x+12) =2 x= ? or either there is no solution 2. solve the exponential equation 9^x=6 What is the exact answer? 3. Use transformations to indentify the graph of the function. Then determine its domain, range, and horizontal asymptote. f(x)=2^-x+...
  80. Calculus AB

    Find the x-coordinates of any relative extrema and inflection point(s) for the function f(x) = 3x(1/3) + 6x(4/3). You must justify your answer using an analysis of f '(x) and f "(x). My start to a solution: x-values: (-1/8) and (-1/4) I got -1/8 from f'(x)- extrema I got -1/4 ...
  81. someone answer please

    Tracy Migre, a certified public accounting, has completed the following transactions. Ms.Migres assests , liabilites, and owner equity account titles and balances are shown in the table below. use the table on the page to show the effect of each transaction. Transactions: 1)...
  82. calculus

    Jena. Stop it, or you will be banned. Using the chain rule, how do i solve this problem? g(x)=(sin3x)^3 g'(x)=?? 3sin(3x)^2 • 3 i think *w*w*w*.*a*s*k*.*c*o*m* hey i cant help but heres a hint just go 2 (go on the words w/ the stares around them )and ask the question *w*w*w...
  83. Math Check

    Let’s say you have a bedroom drawer that contains about 2 red socks, 4 white socks, and 8 blue socks. Without looking in the drawer, you pick out a sock, take it back, and then pick out a second sock. What could the probability be if the first sock is white and the second ...
  84. French

    Hi, I'm doing a french crossword puzzle and I need you to check the words that I filled in the blank. 1. C'est un boutique très élégante. Les -------- sont chers. Answer: Prix 2. A(with an accent) mon ---------, le blouson vert est plus joli que le blouson gris. Answer: ...
  85. Chemistry

    What mass of KIO3 is needed to convert the copper in 0.200g of CuSO4.H2O to Cu(IO3)2? my answer is: 0.828g Cu(IO3)2 x (2*214.003 MolarM KIO3/ 413.36 MolarM Cu(IO3) = 0.857g KIO3 could you please check if i got it right
  86. calculus

    sorry for the probably simple question, but i haven't done this stuff in a long, long time. thought i had this right, but again not finding the answer which of the following gives the slope of the tangent line to the graph of y=2^(1-x) at x=2? a)-1/2 b)1/2 c)-2 d)2 e)-(ln2)/2 ...
  87. English

    Could you check this? Complete the questions. I wrote my answers with capital 1. Researchers are SUPPOSED TO BE VERY careful when working in the lab. 2. They ARE SUPPOSED TO CHECK and recheck dangerous experiments. 3. They are SUPPOSED TO THINK before acting impulsively. 4. ...
  88. math check my answers please and thank you

    select the answer that correctly orders the set of numbers from least to greatest 14% , 1/8 , 0.03 , 0.065 A. 14% 1/8 0.065 0.03 B. 0.065 0.03 1/8 14% C. 0.03 0.065 1/8 14%**** D. 0.03 0.065 14% 1/8 select the answer that correctly orders the set of numbers from greatest to ...
  89. Calculus

    I would like to know if my answers are correct: Disclaimer: We are allowed to keep our answers in formula form 1. Use the washer method to find the volume of the solid that is generated by rotating the plane region bounded by y=x^2 and y = 2-x^2 about the axis y=-1 My Work: [...
  90. mit

    Two circular pucks, each of mass M and radius R, slide toward each other and are about to collide on frictionless ice. The pucks have glue on their edges and when they collide the pucks will stick together. Before the collision, the rightward-travelling puck has speed 2v and ...
  91. Calculus 3! ASAP please

    1.A given line is described by the system of equations x=2t+7; y=-3t+4; z=5-t; find the equation of a line parallel to the given line and which contains the point (1,1,0). 2.Let a=<0,6,2> and b=<0,2,4>, then the component of a parallel to b is given by? - the ...
  92. math

    My homework tells me to divide the answer ,add the answer, and find the mixed fraction in the answer, but they don't tell me where I get the answer . What do I do? Surely there is more info. If not, you can't do it.
  93. Math - hw check

    The admission fee for student is $8 and the admission fee for Adult is $15. In one hour, 12 adults and students enter the museum and a Total of $131 in admission was paid. Write a linear system to model this problem and solve this problem graphically. Check you answer by ...
  94. calculus

    Leave any unneeded answer spaces blank. [Hint: use synthetic division to solve.] f(x) = (1x^3 - 3x^2 - 25x + 75)/(1x^3 - 19x^2 + 118x - 240) the roots of f(x), in increasing order is/are.... ___, ___, ___ f(x) has holes when x is... ___, ___, ___ f(x)has vertical asymptotes ...
  95. calculus

    5). Find the volume of the solid of revolution generated by rotating the graph of y=8 lnx about the y-axis between y=0 and y=16 Answer choices: 238.39pi, 246.39pi, 230.39pi, 214.39pi, 222.39pi 7). Find the area of the region bounded by y=√x-2, y=9, y=0, x=0
  96. Calculus

    For which following condition, will the dot product of two vectors be zero? a) If the angle between them is 90°. b) If the angle between them is 0°. c) If the angle between them is 180° d) If the vectors have the same magnitude. Anyone know what the answer is?
  97. Calculus c

    Let f be a twice-differentiable function defined on the interval -1.2 less than or equal to x less than or equal to 3.2 with f(1)=2. The graph of f', the derivative of f, is shown on the right. The graph of f' crosses the x-axis at x=-1 and x=3 and has a horizontal tangent at ...
  98. English

    2. Choose the term that describes the underlined part of the sentence. Although it was raining fairly hard, the team played its best game ever. (1 point) noun clause adjective clause adverb clause independent clause My Answer: "noun clause" Can someone please check it?
  99. calculus

    Water is being filled into a water tank at 22 liters/second. The base of the tank has dimensions w = 1 meter and L = 2 meter . What is the rate of change of the height of water in the tank? (express your answer in cm/sec).
  100. calculus

    Water is being filled into a water tank at 22 liters/second. The base of the tank has dimensions w = 1 meter and L = 2 meter . What is the rate of change of the height of water in the tank? (express your answer in cm/sec).
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