1. Calculus

    Find the derivatives of the function k(x)=sqrt(sin(2x))^3 I think I have the answer and was wondering if i had it correct k'(x)=2sin(x)^3+8sin(x)

    asked by Joe on February 12, 2013
  2. Environment

    Why is the density of oil a key factor with oceanic spills and fire? I can't find the answer in my book

    asked by Katy on March 24, 2008
  3. Misc

    I have to find the answer to this for tomorrow's assignment. I turn but have no legs or wheels and am often lost in plain sight

    asked by Dawn on May 10, 2018
  4. Algebra

    Triangle ABC has coordinaes A(1,4); B(3,-2); and C(4,2). Find the coordinates of the image A'B'C' after a reflection over the x-axis. My answer A'=(1,-4) B'=(3,2) C'= ( 4,-2) Am I correct? Thank you.

    asked by whhhhhhhhhhhhhhhhhhhhy on November 7, 2018
  5. geography

    I need to understand how to read a river map. Please can you give me some help where to find this information. See my answer to your duplicate post.

    asked by vin on July 4, 2007
  6. Discrete Math

    Find z so that 5% of the area under the standard normal curve lies to the right of z. the answer according to the book is 1.645, anyone got any ideas on how to get this?

    asked by Jessica on January 22, 2013
  7. Math

    0.00013x^2 + 0.0063x - 4.7=0 Ans: x= -215.91,167.45 Find x I used -b± sqr b^2-4ac/2a I couldn't get that answer. please help.

    asked by Jay on September 3, 2015
  8. Calculus

    Find the limit, if it exists. (If an answer does not exist, enter DNE.) lim x→∞ sqrt(25x^2 + x) − 5x

    asked by Anonymous on May 11, 2018
  9. Math

    Could someone answer this question so I understand it. Thanks. Find the antiderivitive of the following derivitive that satisfies the given condition. dy/dx = 4x+4/3rd root of x y(1)=0 y(x)=

    asked by JL on April 25, 2011
  10. English PLZ HELP

    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, im torn between A and B? PLEASE HELP CANT FIND IT IN MY TEXT BOOK

    asked by Nicole on May 23, 2015
  11. spanish play Fuente Ovejuna

    Hello, for act one I can't find the answer to how does the battle at Ciudad Real end? Would it be how Fernan Gomez destroyed it. thanks

    asked by bodes on September 9, 2008
  12. Statistics

    A multiple choice test has 24 questions each having 4 possible answers. If you guess each answer, find the probability of getting Between 9 and 15 correct

    asked by Kalee on April 27, 2015
  13. chemistry

    Find the concentration of calcium in ppm in a 3.5g pill that contains 40.5mg of ca? Answer 1.16ppm Bob helps me

    asked by Fai on March 2, 2013
  14. Math

    Question : find (h,k) and radius x^2 + y^2 +1/2x + 2y +1/16 = 0 According to the equation : (x−h)^2+(y−k)^2 = r^2 x^2 + y^2 +1/2x + 2y +1/16 = 0 (x^2+1/2x+1/16)+(y^2+2y+1)=−1/16+1/16+1 (x+1/4)^2+(y+1)^2=1 so (h,k) = (-1/4, -1) and r = 1 theres no

    asked by K on May 8, 2018
  15. des school

    the volume of a cylinder 288picm3 the base radius is 8 cm find its tsa leave the answer in terms of

    asked by aa on January 29, 2017
  16. Math, NEEDS HELP EMEDIETLY!

    Q: Marissa Is researching information about martial arts students. She found that 7 out of 12 martial arts students practice each day. there are 144 students at her school. Part A: Predict how many students practice every day. Part B: What Is The Sample

    asked by Agal on April 23, 2016
  17. Calculus

    Hello...i just had a quick question...its probably something easy to get...maybe i am thiking too hard...but the question is estimate the volume of solid that likes above the square R=[0,2] * [0,2] and below the elliptical paraboloid z=16-x^2-2y^2..divide

    asked by Kim on November 5, 2007
  18. math.......

    I need help. This is an example problem, but i am having trouble finding the answer to all problems like this. I came up with 50 something as my answer. That is NOT an option. Please help!!! this is the example problem. If a pair of jeans costs 39.50

    asked by please help FAST :) on January 26, 2017
  19. math

    (a) A street guide for Belfast has a scale of 1:15 000. A walkway through the city is 2.4 km long. Find the length of the walkway on the map. Give your answer in centimetres. (b) Ormeau Park in Belfast has an area of about 25 cm2 on the same map. Calculate

    asked by Kheladi Nep on June 10, 2010
  20. Math help

    (a) A street guide for Belfast has a scale of 1:15 000. A walkway through the city is 2.4 km long. Find the length of the walkway on the map. Give your answer in centimetres. (b) Ormeau Park in Belfast has an area of about 25 cm2 on the same map. Calculate

    asked by JAndu Andu on May 22, 2010
  21. Algebra

    To find the product 3/7 multiplied by 4/9, Cameron simplified 3/7 to 1/7 and then multiplied the fractions 1/7 and 4/9 to find the product 4/63. What is Cameron's error? Please help answer thanks

    asked by Ms. Stephie on September 28, 2014
  22. algebra/math

    i know this is probably a really simple answer and i'm gonna want to hit my head on a wall after i get it, hopefully, but how would i find a unit rate and then simplify it, if possible? like, 3 pages/5 hours? like the directions just say to write as a rate

    asked by bridget on August 23, 2007
  23. Math(check)

    1)Find the range of the relation [(-1,4)},(2,5),(3,5)}.Then determine whether the relation is a funtion. 4,5,5 is the range 4,5 is a function 2)Find f(-1),if f(x)= x^2-6x/x+2 (-1)^2-6(-1)/-1+2 1+6/-1+2 7/1 =7 3)Find f(a),if f(t)= 2t^2-t-2. 2(a)^2-a-2

    asked by erin on July 26, 2007
  24. Calculus II Help Please

    Only question I can't do on the assignment In pharmacokinetics the area under the graph of the drug concentration function with respect to time can be used to determine the total amount of the drug absorbed (the area is actually proportional to the amount

    asked by Anonymous on January 14, 2015
  25. Poetry - PLZ CHECK OVER

    The sun was shining on the sea, Shining with all his might: He did his very best to make The billows smooth and bright – And this was odd, because it was The middle of the night. The moon was shining sulkily, Because she thought the sun Had got no

    asked by Nani on March 9, 2016
  26. Math

    find median 4,5,6,8,11,17 answer 7 find mean and median 68,69,71,75,76,76,81,82,86,88,93,94,95,95,96 answer mean is 83 median is 82 ?

    asked by david on October 17, 2009
  27. chemistry

    How much heat is required to raise the temperature of 200 g CH3OH from 20 to 30 degrees and then vaporize it at 30 degrees. The molar heat capacity of CH3OH is 81.1 J/Mol/K. Okay...the answer is approximately around 254. It was a homework problem. The

    asked by joseph on February 14, 2010
  28. chemistry

    How much heat is required to raise the temperature of 200 g CH3OH from 20 to 30 degrees and then vaporize it at 30 degrees. The molar heat capacity of CH3OH is 81.1 J/Mol/K. Okay...the answer is approximately around 254. It was a homework problem. The

    asked by joseph on February 14, 2010
  29. Spanish

    I need help understanding how to ask/answer questions using the word 'Que'. If the question is ?Que' estudias tu'? is the correct answer: 'Yo estudio ___' and then whatever you're studying or could I simply answer 'Estudio ____' Also, in these questions,

    asked by Kara on May 5, 2009
  30. Intermediate Algebra

    Am I going in the right track? 8x -1/x + 5x - 3/2x = 16x^2 - 2x/2x^2 + 5x^2 - 3x/2x^2 16x^2 - 2x + 5x^2 - 3x/2x^2 =21x^2 - 5/2x^2 Find the LCD 6/7z- 28, 8/x^2 -4x = 7x(x-4) Simplify 3x^2 - 2x/15x-10 = x/5 Let's start by looking at your first problem: 8x

    asked by Richard on November 3, 2006
  31. Check my answer please!

    Macy enters a formula and presses Enter. She sees #Data! in the cell instead of the answer. This means _____. A) the cell is not wide enough B) there is too much data C) the answer is greater than one million D) there is a mistake in the formula I am 90%

    asked by Tori on March 13, 2017
  32. Statistics

    Hi, I have to answer if each questions is a nominal, ordinal, interval discrete, interval continuous, ratio discrete, or ratio continuous. I would like to know if my answers are correct and if wrong what is the correct answer. Thanks 1. Highest level of

    asked by Paul on September 19, 2010
  33. alg.

    Find the slope of the line passing through the points (–2, 1) and (3, 9). I know the equation to figure this out is: m = y(2) + y(1) ----------- x(2) + x(1) but its a multiple choice question and my answer is not the same as the choices. how exactly do I

    asked by lacy on July 31, 2007
  34. Math (Repost)

    *not multiple choice* u^-3 = 1/125 y - 1 = 4y - 2/3 * not sure how to do this what is the y intercept of the line? y= -3x - 5 * my answer is 5 when 40 is added to the number miles she ran last week..the result is the same as adding 10 to 4 times the number

    asked by Anonymous on December 18, 2014
  35. physics (mechanics)

    Practice problem: A rocket sled for testing equipment under large accelerations starts at rest and accelerates according to the expression: a= (2.8 m/s^3)t + (3.9 m/s^2) How far does the rocket move in the time interval t=0 to t=0.81 s? This is just a

    asked by John on August 28, 2010
  36. pre calc

    To measure the height of the cloud cover at an airport, a worker shines a spotlight upward at an angle 75° from the horizontal. An observer D = 600 m away measures the angle of elevation to the spot of light to be 45°. Find the height h of the cloud

    asked by Ruth on March 28, 2017
  37. pre calc

    To measure the height of the cloud cover at an airport, a worker shines a spotlight upward at an angle 75° from the horizontal. An observer D = 600 m away measures the angle of elevation to the spot of light to be 45°. Find the height h of the cloud

    asked by rachel on March 28, 2017
  38. English

    I'm writing you again for help with one scientific text. The title is: Pet ownership, dog types and attachment to pets in 9–10 year old children in Liverpool, UK. What I have to do, is to answer 25 questions we've got about that text, but as non-English

    asked by Sonja on September 8, 2013
  39. Physics

    A 60.9 kg climber is using a rope to cross between two peaks of a mountain as shown in the figure below. He pauses to rest near the right peak. Assume that the right side rope and the left side rope make angles of 26.7° and 14.33° with respect to the

    asked by Sinisa on October 16, 2013
  40. College Algebra

    Please Explain your reasoning Part 1: Suppose that the number of new homes built, H, in a city over a period of time, t, is graphed on a rectangular coordinate system where time is on the horizontal axis. Suppose that the number of homes built can be

    asked by Vision/Help! on November 3, 2007
  41. Science

    [I choose a.] How did the CITIES treaty reduce the slaughter of elephants? a.it offered a bounty to tribal leaders for identifying poachers b.it banned imports and exports of all ivory worldwide c.it limited sales of ivory to the antique market. d.both (a)

    asked by Mack on March 18, 2007
  42. Intermediate Algebra

    To find the distance across a canyon, a surveyor inserts poles at two places on the same side of the canyon as indicated below. using the surveyor's measurements given below, find the distance across the canyon. (the answer can be in simplified radical

    asked by Anonymous please help on December 17, 2012
  43. Calculus

    a particle starts at time t = 0 and moves along the x axis so that its position at any time t>= 0 is given by x(t) = ((t-1)^3)(2t-3) a.find the velocity of the particle at any time t>= 0 b. for what values of t is the velocity of the particle negative? c.

    asked by Lauren on September 10, 2009
  44. English

    Sorry about the multiple question posts I’m just trying to prepare for an upcoming test and I figured the best way to do so is to practice. In each sentence below, find a participle or participial phrase that modifies the word in parenthesis. 1.

    asked by Susanne on February 7, 2010
  45. Pigskin geography

    I need help with week number 6, the question about bullfrogs. I got the first part but I still don't have how far away you can hear them. I also need help with the comic question about Leif Erickson. Thanks! Please repost with the specific questions, so we

    asked by Lanna on October 12, 2006
  46. algebra

    please write and equation, show your work, and find the answer: 1.a certain two-digit number has a value that is seven more than six times the sum of its digits. the tens digit is 3 more than the units digit. find the number 2.In Colorado Creek, Darrell

    asked by Bri on February 17, 2011
  47. Calculus AB

    Sorry but I've got a lot of problems that I don't understand. 1) Let f(x)= (3x-1)e^x. For which value of x is the slope of the tangent line to f positive? Negative? Zero? 2) Find an equation of the tangent line to the oven curve at the specified point.

    asked by Annie on October 30, 2016
  48. English 3

    1) Select the abbreviation that tells how the italicized noun clause is used. S-subject, DO-direct object, SC-subject complement, OP-object of preposition Our study efforts should go to (whatever subject is most in need of improvement.) *my answer is DO

    asked by Debra on September 18, 2012
  49. Math

    You buy a television for $550. That price included a 10% sales tax. what is the price without sales tax? The answer choices are A)$500 B)$605 C)$55 D)$550 I did a proportion to find this answer by doing: 10/100=x/550 ;and I ended up getting $495, which is

    asked by Audry on December 27, 2014
  50. Algebra

    A ball is thrown upward with an initial velocity of 14 meters per second from a cliff that is high. The height of the ball is given by the quadratic equation where h is in meters and t is the time in seconds since the ball was thrown. Find the time that

    asked by Sherry on March 5, 2013
  51. Algebra

    Hello, I have been trying a few ways to do this problem and am not having success. The sum of four consecutive odd integers is -212. Write an expression for the second, third and fourth odd integers. Use these expressions to write, and solve an equation to

    asked by Martha on September 18, 2011
  52. EnglishCheck

    CHECK PLEASE 1. (Points: 2) The bank will not (lend, loan) money for home repairs. b. loan Save Answer 2. (Points: 2) My allergies sometimes cause me to (loose, lose) my voice. b. lose Save Answer 3. (Points: 2) Please leave the report on the desk, and

    asked by HM on October 30, 2011
  53. College Algebra

    What is the answer to: The plane was purchased new in 2006; therefore, x = 0 represents the year 2006. X - axis (horizontal)= years starting from 0= 2006 and increasing by 0.5 years X - axis (vertical)= price in $ amounts from 24,000 to 240,000 a). List

    asked by Stephen on December 31, 2011
  54. Chemistry

    What will be the pH of an aqueous solution containing 0.040 mol/L sodium hydroxide?? I got 1.40 or 1.398 I rounded the numbers is my answer right??? If not what's the right answer?? I know I wrote the question again, because on the previous answer I did

    asked by Tarkan on December 24, 2010
  55. Chemistry: Electron Configurations

    Write the electron configuration for the following ion. V3+ I got 1s^2 2s^2 2p^6 3s^2 3p^6 4s^2. In simplified form, I got [Ar]4s^2. I checked my answer against the answer given in the back of my chemistry textbook, and the two didn't correspond. The

    asked by Anonymous on November 5, 2009
  56. The Importance of Being Ernest

    Why does Ernest/Jack and Algernon both have fake characters? I just want to clarify my answer for my study guide since they are all written responses and have no multiple choice options so my answer is below. My answer: So they both have an opportunity to

    asked by Nina on June 2, 2016
  57. vocab

    continue vocab 2- bound A tied B released C confirmed D restrained answer B 3- loathed A detested B loved C hated D despised answer B 4 strive A attempt B try C give up D fight for answer C

    asked by john on April 10, 2009
  58. English

    Hi! ____ 1. Choose the answer that best matches the word in quotation marks. Walter Mitty the Undefeated, "inscrutable" to the last. (1 point) a) devilish b) mysterious c) notorious d) stubborn My Answer: D Could someone please check my answer? Thanks!

    asked by Da Fash on December 8, 2017
  59. physics please

    there are nearly (pi) x (10^7) seconds in one year. find the percentage error in this approximation, where percentage error is defined as abs value[ (assumed value - true value)/ true value] x 100% to find the true value I did: (365 days/yr) x (24 hours/1

    asked by sam on January 22, 2010
  60. solid mensuration? help.

    Window glass formerly was made by gathering a lump of molten glass on the end of a hollow rod blowing it into the form of a large hollow cylinder about 6 ft. long and 1 1/2 ft. in diameter. This was cut longitudinally and then placed in an oven and heated

    asked by sara on May 12, 2012
  61. Physics repost

    A 2.00 resistor, and a 12.0 resistor are connected in parallel across a 20.0-V battery. What is the current flowing through the 2.00 resistor? A)1.67 A B)1.40 A C)11.6 A D)10.0 A This is all I understand. Can you explain step by step and show how to get

    asked by Jon on April 9, 2008
  62. physics(I'm taking a different way to solve)

    In the 1968 Olympic Games, University of Oregon jumper Dick Fosbury introduced a new technique of high jumping called the "Fosbury flop." It contributed to raising the world record by about 30 cm and is presently used by nearly every world-class jumper. In

    asked by phys on April 10, 2010
  63. us history

    Can you help me on this? How consistent were the republican principles applied by Thomas Jefferson and James Madison during their presidencies? How did their policies affect the Federalist Party during Jefferson's and Madison's administrations? I can't

    asked by Andrea on September 27, 2012
  64. math

    Simplify using Pascal's Triangle: state a term number of formula and a value. What term number (Tn,r)is your answer? find the sum of row 12? I know that the sum is 2^12=4096, how would you find the term number?

    asked by Josh on February 14, 2013
  65. Algebra

    Could someone please help me find x in this problem and explain how you got the answer? 2(3x - 1) = 5 - (x + 3) I checked the answer I got in the back of my algebra book and it said the answer was 4/7 but my answer was wrong. How did they get 4/7 out of

    asked by Jamie on August 12, 2006
  66. Calculus

    Hello, I just wanted to verify if my work was good. Calculate the following integral by parts: ∫ upper limit is 1/5 and lower limit is 1/10. of 10sin^-1 (5x)dx so first I named the variables: u = 10 sin^-1 (5x) du = 50 / sqr(1-25x^2) dv = dx v = x so we

    asked by Robert on September 7, 2012
  67. Definite integral by parts (correction)

    Hello, I just wanted to verify if my work was good. Calculate the following integral by parts: ∫ upper limit is 1/5 and lower limit is 1/10. of 10sin^-1 (5x)dx so first I named the variables: u = 10 sin^-1 (5x) du = 50 / sqr(1-25x^2) dv = dx v = x so we

    asked by Robert on September 5, 2012
  68. Trignometry

    1) If

    asked by Anonymous on September 11, 2010
  69. math

    For the following pair of functions, f(x)-x+2, g(x)-√x-1 find each of the following and state its domain: a.) find (f+g)(x) b.)find (f-g) (x) c.) find (fg)(x) d.) find (ff)(x) e.)Find (f/g)(x)

    asked by Chris on July 22, 2014
  70. civics

    I couldn't not find the answer to this in my book. The county form of local government is found in a. about half the states, b. all but two states, c.only 2 states, d. fewer then half of the states. I am guessing that since my book says " over the past

    asked by Tiffany on April 26, 2010
  71. Math

    Using the formula for the surface area of a SPHERE: Use Pi = 3.14 If the diameter of a sphere is 8 feet, find the surface area (round to the nearest square foot) 201 sq ft If a quart of paint covers 75 square feet, how many quarts of paint are needed to

    asked by Mike on May 16, 2008
  72. Spanish

    Can someone please proofread my Spanish paragragh? It's for an exam. In case you think I'm cheating, the teacher told me to write a practice paragraph and get it proofread so I will do better on the exam. Write a letter to your new pen pal/. Describe

    asked by Larry on April 14, 2009
  73. 5 Pre-Calculus Questions

    1. What is the value of x in the right triangle below? If needed, round your answer to two decimal places. 32 angle, 15 inches, find the x in base… 2. A 10-foot ladder is leaning up against the side of a building so that the top of the ladder reaches the

    asked by Anonymous on June 30, 2011
  74. Statistics

    Using the following information find a 95% confidence interval for the intercept in the regression of measured distance on recession velocity. VARIABLE COEFFICIENT STANDARD ERROR Constant 0.3391 0.1185 Velocity 0.001373 0.000227 T-STAT P-VALUE 3.369 0.0028

    asked by MMK on March 15, 2007
  75. 5th grade Math

    Can you check my answer? 4. Solve. 6 tenths = ___ thousandths Answer = 600 5. Write 347.392 in expanded form. Answer: (3*100)+(4*10)+(7*1)+(3* 1/10) + (9*1/100)+ (2*1/1000) 9. Write in standard form (number name) for: three thousand four hundred eight-two

    asked by Jared on October 7, 2017
  76. rf value of lycopene

    Is the the rf value of lycopene and with what solvent can you use as a mobile phase on a TLC? I don't know the answer here but I looked on the Internet and found something that may get you started. I found the Rf value for lycopene to be between 0.4 and

    asked by paul on February 19, 2007
  77. Math

    Help meh please Check my answers I suck at dis 1. 4y+3≤y+6 Answer=y≤3 2. -2y>2 Answer=y

    asked by Memes on October 12, 2017
  78. algebra

    of 8 Multiple Choice: Please select the best answer and click "submit." The rule below shows how to find the distance traveled of an object thrown downward with initial velocity of 3 feet per second. Which answer expresses that rule in the form of an

    asked by guerline on February 14, 2012
  79. Math Binomial theorem

    I'm preparing for a test and one of the questions in my text is as follows: In a trivia contest,Sam has drawn a topic he knows nothing about, so he makes random guesses for the 10 T/F questions. Use the binomial theorem to help find a)the number of ways

    asked by ann on April 18, 2011
  80. calculus

    Find an equation of the tangent line to the curve at y = cosx - sinx (pi, -1) I found y'= -sinx - cosx and used the equation of the tangent y = mx +b I input the values and get -1 - [(-sinx - cosx) * pi] = b the answer says it is y = x - 1 - pi I have no

    asked by Daniel on October 15, 2011
  81. calc

    I assume the poster was trying to type "oblique asymptote" from your answer of 3x+2 + 7/(x-1) we can conclude that there is an oblique linear asymptote of y = 3x + 2, and a vertical asymptote at x = 1 for the original function given. how do u find obblique

    asked by Reiny on March 26, 2007
  82. pre algebra 8th

    1. Frances earns a salary of $ 3,200 per month plus a commission of 2% of his sales. He wants to earn at least $4,000 this month. Write an inequality to find the dollar amount of the sales that will meet his goal. Identify what your variable represents. d=

    asked by Takisha on November 1, 2016
  83. pre algebra 8th grade

    1. Frances earns a salary of $ 3,200 per month plus a commission of 2% of his sales. He wants to earn at least $4,000 this month. Write an inequality to find the dollar amount of the sales that will meet his goal. Identify what your variable represents. d=

    asked by check my work PLEASE/THANK YOU on November 1, 2016
  84. pre algebra

    1. Frances earns a salary of $ 3,200 per month plus a commission of 2% of his sales. He wants to earn at least $4,000 this month. Write an inequality to find the dollar amount of the sales that will meet his goal. Identify what your variable represents. d=

    asked by Takisha on November 1, 2016
  85. Math

    In a multiple-choice test, each question has five options. Students will get 5 points for each correct answer; lose 2 point for each incorrect answer; and receive no points for unanswered questions. A student does not know the correct answer for one

    asked by Jen on July 20, 2011
  86. Math...Applying the Order of Operations

    Can you please show me where i'm going wrong? Here's the question: 2(14+35/7) - ((-14 + -35)/-7) A.28 B.31 C.26 D.26 E.38 Here are the rules that apply: Multiplying and Dividing Integers. *If the signs are the same,then give the answer a positive sign. *If

    asked by Ryan on February 19, 2009
  87. Math-probability

    In a multiple-choice test, each question has five options. Students will get 5 points for each correct answer; lose 2 point for each incorrect answer; and receive no points for unanswered questions. A student does not know the correct answer for one

    asked by Jen on July 20, 2011
  88. Math

    In a multiple-choice test, each question has five options. Students will get 5 points for each correct answer; lose 2 point for each incorrect answer; and receive no points for unanswered questions. A student does not know the correct answer for one

    asked by Jen on July 19, 2011
  89. Math: Homework Questons (answer quick)

    Can you check if the answer is correct and of there any grammar mistakes. Write True or False and EXPLAIN your reasoning for the answer!!!! 8. (5 - 2) - 1 = 5 - (2 - 1) Answer: True Reason: The reason why my answer to this question is true is because when

    asked by Laruen on November 16, 2011
  90. calculus

    a large vertical rectangular plate of glass is to be inserted in the wall of an aquarium underwater so visitors can see into th tank of fish. the glass is 10 feet high, 25 feet long and the top of the glass is 3 feet below the top of the water. the

    asked by student on February 12, 2008
  91. math

    32: The trapezoids are similar. The area of the smaller trapezoid is 711 m². Find the area of the larger trapezoid to the nearest whole number. The one trapezoid has a base of 27 m and the larger one has a base of 39 m. 39: Find the circumference. Leave

    asked by Mia on August 24, 2018
  92. Precalculus

    How do you setup the equation for this? Thanky ou! Find the ratio of the surface area of a cylinder to the volume of the cylinder if the height remains at 10 cm. Simplify this ratio and let f(x) = the simplified ratio. Let r be the radius of the cylinder.

    asked by melinda on January 13, 2012
  93. social studies

    1. what name did the people give to the good ship "Constitution"? Answer: Old Ironsides 2. Andrew Jackson is often spoken of by what nickname? Answer: King Mob 3. England's practice of forcing our sailors to serve in her navy was called what? Answer:

    asked by Anonymous on May 6, 2014
  94. Calculus

    (a) Find the tangent line approximation for sqrt(9+x) near x=0. (b)Find a formula for the error, E(x),in the tangent line approximation found in part (a). For part A, is the answer y=3. For part b, I don't understand , any help would be greatly

    asked by George on November 5, 2008
  95. Math.

    A cone has a diameter of 24 in. and a height of 10in. What is the volume of s cone? use 3.14 as an approximation.. final answer in tenths - Im stuck between two answers: 94.25 because if I do 3 x 10 to find the volume. I say 3 because the diameter is 24

    asked by Anonymous on May 21, 2015
  96. Math!! (repost) really need help!!

    A cone has a diameter of 24 in. and a height of 10in. What is the volume of s cone? use 3.14 as an approximation.. final answer in tenths - Im stuck between two answers: 94.25 because if I do 3 x 10 to find the volume. I say 3 because the diameter is 24

    asked by Anonymous on May 21, 2015
  97. Math

    Formula given: The decibel (dB) scale for measuring loudness, d, is given by the formula d = 10 log base ten(I X 12 to the power of 12) where I is the intensity of sound in watts per square metre. a) Find the number of decibels of sound produced by a jet

    asked by Donna on February 16, 2014
  98. Elementary Satistics

    Test the following function to determine whether it is a probability function. If it is not, then make it into a probability function. (Give your answers correct to one decimal place.) R(x) = 0.2, for x = 0, 1, 2, 3, 4 (a) List the distribution of

    asked by Vickie Huff on September 21, 2014
  99. Physics

    A parachutist bails out and freely falls 64.7 m. Then the parachute opens and thereafter she decelerates at 1.88 m/s2. She reaches the ground with a speed of 3.07 m/s. What is her average speed (in m/s) for the fall? I was planning on finding the time

    asked by Ralph on June 29, 2015
  100. Physics

    Just as no mechanical device can be 100% efficient, no heat engine can transfer 100% of its heat to a single object. Some of the heat energy must be wasted (released into the environment). We have a heat engine that produces 150 J of heat, does 40 J of

    asked by Jessica on December 7, 2016