1. Geology

    Hi, I am doing a geology course and I am really struggling with the topography graph. Currently, I am doing a test/quiz that involves me finding out what the contour interval is,the elevations of lines, and so on. I have tried looking back over the

    asked by Caroline on July 18, 2014
  2. Calculus

    Find the volume of the solid by rotating the region bounded by the given curves about the x-axis. Use the method of cylindrical shells. y=4x^2 2x+y=6 I drew the picture and the intersection points are at x=-1.5 and x=1. I'm not sure how to identify the

    asked by Anonymous on February 9, 2012
  3. math

    Jesse collected data on the colors of the coats his classmates wore one day in February. He started a circle graph. Which equation will give the angle measure of the section for black?

    asked by jerry on May 19, 2014
  4. Precalculus

    Please check. I did these problems by drawing a graph ... So it would be great if you do it that way too if you need to correct me. I know this is overwhelming but please take your time... It is easier for me to post all of these at once,since I can find

    asked by Anonymous on December 14, 2013
  5. Math

    Members of a school boosters club want to sell at least 10 school jackets and at least  21 caps during a fundraiser to cover their regular club expenses. The club will make $14 

    asked by T-perry on February 21, 2013
  6. operating system

    Consider a user types a document with a speed of 100 words per minute. Assume that an average word consists of 5 letters and ends by a break which can be a space, new line, TAB, or punctuation, and an average sentence consists of 20 words. Assume that a

    asked by Priya on February 24, 2010
  7. Calculus

    Information to solve problems Q=12L+29L^2-1.1L^3 Q= # of cars produced/year L=# of laborers used per year for production Each car sells for $125. $7000 per laborer per year is cost for labor and other consumable materials. I attempted some parts of these

    asked by Janet on April 21, 2011
  8. physics

    please check these: a laser can be used a. to treat glaucoma b. to measure distance c. to read bar codes d. all of the above D in a laser, all of the following forms of energy can be converted into coherent light except a. chemical energy b. electrical

    asked by physics on March 12, 2009
  9. Algebra

    MathMath thank for showing me my mistake. Bayside Insurance offers two health plans. Under Plan A, Sam would have to pay the first $200 of his medical bills, plus 35% of the rest. Under Plan B, Sam would pay the first $230, but only 20% of the rest. For

    asked by Norma on September 3, 2010
  10. student supervision

    what is another name for the illness known as pediculosis? (a)chicken pox (b)ringworm (c)strep-throat (d)head lice(my answer) who does most of the talking in a student conference? (a)student(my answer) (b)teacher (c)teacher aide (d)parent when your

    asked by susue on August 26, 2011
  11. Nice unanswered question by Maggie

    "100 bushels of corn are divided among 100 men, women, and children. Men receive 3 bushels each, women 2 bushels and children 1/2 bushel each. How can the bushels be distributed? is there more than one solution? if so, find the other solutions." let the

    asked by Reiny on September 16, 2009
  12. calculus

    I need help on finding the local linear approximation of tan 62 degree. i got 1.77859292096 can someone check if i got it right? tan(60+2) = (tan 60+ tan 2) / (1- tan60 tan 2) But tan2 appx = sin 2deg = sin2PI/180= 2PI/180 tan 62=(tan 60+2PI/180) / (1-

    asked by jimmy on March 20, 2007
  13. genetics

    5. A female of the genotype a b c / + + + (i.e. heterozygous for three genes on the same chromosome) produces 100 meiotic tetrads (100 cells undergoing meiosis, where recombination can occur). Of these 100 tetrads, 68 show no crossover events. Of the

    asked by manutdfan on March 7, 2014
  14. Math

    Can someone correct it Evaluate the following expressions numbers 3-4 3) [(2+3)^3-4(5)]+7 My way of solving: [(5)^3-4(5)]+7 [123-4(5)]+7 [123-20]+7 [103]+7 My answer: 109 4) [25/ (2^3-3)]*2 My way of solving: [25/(8-3)]*2 [25/5]*2 [5]*2 My answer:10 Thanks

    asked by Jasmine 20 on November 24, 2006
  15. Math

    using a circle graph of 1/3 percussion, 2/5 brass, 4/15 woodwind and also a circle graph of 1/3 woodwind, 1/6 percussion, 1/2 brass. Both bands combine as one band. A. What fraction of the band members will play brass instruments? B. what fraction of band

    asked by Alice on March 9, 2015
  16. physics

    A ball rolls forwards and backwards on a curved track as shown in Fig. 1.1. ball flexible track Fig. 1.1 It is suggested that the period T of the oscillations is related to the radius r of the ball and the radius of curvature C of the track by the

    asked by rhine on September 14, 2017
  17. Math - volume about y axis

    Find the volume generated by revolving the region enclosed above by the x-axis and the graph of the function f(x) = x^2 -1 about the y-axis. I cant make sense of it. What is it asking me to do? What are the integral bounds?

    asked by Rob on May 31, 2016
  18. Physics - acceleration..need to find velocity

    I am given two points on an acceleration vs time graph: (-2,13),(4,0). When t = -2s, v = 10 m\s. What velocity at t = 6s? I believe acceleration average is (-13/6), but how do I solve the rest get the correct answer, which is 44.7 m/s? Any help or hints

    asked by Belinda on October 21, 2011
  19. Math

    Find the break-even point for the following. Draw your own graph on a piece of paper. Fixed cost = $20,000 Variables cost = $13 per item Price = $23

    asked by Keonn'a on October 19, 2018
  20. Physics

    I am given two points on an acceleration vs time graph: (-2,13),(4,0). When t = -2s, v = 10 m\s. What velocity at t = 6s? I believe acceleration average is (-13/6), but how do I solve the rest get the correct answer, which is 44.7 m/s? Any help or hints

    asked by Belinda on October 21, 2011
  21. Calculus

    Find the volume of the solid formed by rotating the region bounded by the graph of y equals 1 plus the square root of x, the y-axis, and the line y = 3 about the line y = 5.

    asked by Muhammad on November 27, 2016
  22. Math: PreCal

    Consider the function f(x)=-5cos((2/3)x-(pi/6)) a). Is there a reflection? Does the graph start at a maximum, a minimum, or an x-intercept? For Amplitude I got 5 For Period I got 3pi And for Phase shift I got 3pi/12 or => pi/4

    asked by Amber on June 24, 2016
  23. maths

    An ant is crawling along the x-axis such that the graph of its position on the x-axis versus time is a semi-circle (see figure). The total distance covered in the 4 s is x[m] 4 t [sI

    asked by Collins on October 5, 2016
  24. Calculus I

    Find the volume of the solid formed by rotating the region bounded by the graph of y equals 1 plus the square root of x, the y-axis, and the line y = 3 about the x-axis.

    asked by Jer on April 22, 2016
  25. Pre-Cal: Limacons

    Write the equations for two limacons (and if possible graph), (one sine and one cosine) with the same a and b values. (A does not have to equal b). You may choose to use cardioids or inner loop, dimpled, or convex limacons.

    asked by Samantha on April 6, 2017
  26. Math - Calc/Algebra/Trig

    I'm trying to find all the points on the graph y=4/3cos^3x-cosx where the tangent line is horizontal. I took the derivative, which gave me: -4cos^2(x)sin(x)+sin(x) Now I need to solve it for x and I'm not sure how. Can you help?

    asked by Jamie on February 16, 2017
  27. Functions

    Write an equation for a graph if period = 180, and amplitude = 6.. Given this information, is 6tanx not a proper answer? The back of the book says that the answer is 6sinx (2x)

    asked by AlphaPlus on April 20, 2016
  28. algebra

    solve the inequality. Express the solution using interval notation and graph the solution set on the real number line x-4/x^2-4 greater or equal to O

    asked by lan on November 15, 2011
  29. science

    1. list and describe two ways to convert mechanical energy to thermal energy 2. explain what the plateau on a typical warming or cooling graph indicates (as in, what does it mean?)

    asked by fly49 on May 1, 2011
  30. science

    Force is exerted to move a body of mass 50kg from 2 m/s to 5m/s over a period of 10 seconds.draw a velocity time graph regarding the same and calculate the value of force.

    asked by nafiya on September 28, 2016
  31. Algebra II

    Solve x^2+2x=-2 by graphing and indicate the roots.Please and thank you We can't draw graphs for you here. The roots are x = -2.73 and -0.73 I suggest you make your own graph of y = x^2 + 2x and see where it crosses the horizontal line y = -2. Choose x

    asked by Jonathan on August 8, 2007
  32. AP Calculus

    I asked this yesterday and someone answered. but i didn't understand the explanation.. Two circles of radius 4 are tangent to the graph of y^2=4x at the point (1,2). Find equations of these two circles. I got (x-1)^2+(y-2)^2=16 and (x-4.36)^2+(y+1.36)^2=16

    asked by Sarah on September 12, 2013
  33. Algebra

    Okay, I have a graph of a sq root function. I'm told to write the radical function for f(x). Some points on the line are (1,-2) and (5,0). I know you probably can't help me a whole lot, but if you can give me any insight into how to figure this problem

    asked by Student on March 11, 2014
  34. Calculus

    The base of a solid is the region enclosed by the graph of x^2 + 4y^2 = 4 and cross-sections perpendicular to the x-axis are squares. Find the volume of this solid. a. 8/3 b. 8 pi/3 c. 16/3 d. 32/3 e. 32 pi/3 Thanks in advance! :)

    asked by Jillian on April 6, 2008
  35. CSIR General Aptitude

    An ant is crawling along the x-axis such that the graph of its position on the x-axis versus time is a semi-circle (see figure). The total distance covered in the 4 s is

    asked by Samthosh on May 20, 2015
  36. calculus please

    given f(x) = abs(sin x) and g(x) = x^2 for all real x: 1) let H(x) = g(f(x)) and write an expression for it. 2) find domain and range of H(x). 3) find an equation of the line tangent to the graph of H at the point where x = pi/4.

    asked by jane on February 20, 2009
  37. Algebra

    For the exponential function ex and logarithmic function log x, graphically show the effect if x is doubled. I am having trouble figuring out my points to plot on the graph.

    asked by Mario on February 16, 2009
  38. Calculus

    I am so lost, I have no idea what to do next. Find the equation of the tangent line to the graph at the indicated point f(x) =x^2 +x ; a=-1 I started out using f(-1)= (-1+h)-(-1)/h but i am so lost on what to do next. I have tried to look at examples in

    asked by Erin on September 25, 2014
  39. math

    make up a set of at least twelve numbers that have the following land marks maximum:8 range:6 mode:6 median:5 make a bar graph of the data

    asked by Anonymous on October 8, 2009
  40. Calculus 1

    Use a graph to give a rough estimate of the area of the region that lies beneath the given curve. Then find the exact area. y = cube root(x) , 0 ≤ x ≤ 27

    asked by TayB on November 25, 2015
  41. Math

    Solve the compound inequalities. Write the solutions in interval notation. Graph your solution on a number line. 1. 2(3x + 1)< -10 or 3(2x - 4) ¡Ý 0 The or means union of these inequalities. 2. 5(p + 3) + 4 > p - 1 or 4(p - 1) + 2 > p + 8

    asked by Neil on August 30, 2012
  42. calculus

    Find the area of the largest rectangle with one corner at the origin, the opposite corner in the first quadrant on the graph of the line f(x)=20-5x , and sides parallel to the axes.

    asked by ali on November 4, 2008
  43. another algebra question

    Here's another thing I must solve: For each graph of a function, determine these things: a. f(1) b. domain c. any x-values for f(x)=2 d. range I can't put the graphs I need up here, but is anyone able to explain how you would find these things? Thank you

    asked by Celina on December 4, 2008
  44. Calculus

    Consider the function f(x) e^x-1/2x^2. Find all points of inflection if they exist. Please show sign graph and show work in detail so I can follow for future reference. Thanks.

    asked by Rene on April 21, 2013
  45. College Algebra

    Write the equation of the circle in standard form. Find the center, radius, intercepts, and graph the circle. x^2+y^2+16x-18y+145=25

    asked by Amanda on February 19, 2013
  46. calculus

    The velocity of a particle moving along the t-axis is given by f(t)=2+.05t cm/sec. Use a graph of y=f(t) to find the exact change in position (distance traveled) for the particle from t=2 to t=8.

    asked by Anonymous on November 30, 2010
  47. Trigonometry

    "Sketch the graph of y=tan(x/2) By solving the equation x/2=-pi/2 x=- pi and the equation x/2=pi/2 x=pi..." Before I go any further, I need to understand where these equations came from. Where does the pi come from out of thin air? What becomes of the

    asked by Ellyn on January 24, 2010
  48. college algebra

    find the zero's for the following polynomial and give the multiplicity for each zero. For each zero, state whether the graph crosses the x-axis or touches the x-axis and turns around. f(x)=5(x-2)(x+4)^3 I am having trouble with this. Can you please show me

    asked by ladybug on November 11, 2012
  49. Maths

    y= ae^(bt)sin(kt) Use a sine regression to determine k, the period of oscillation of this system. State the regression equation and superimpose its graph on that of the data set. help?

    asked by Georgia on June 6, 2011
  50. graphing linear non proportional relationships usi

    the equation y=-0.04×+ 12 gives the number of gallons of gad in your car, where × is the number of miles driven. Graph the equaton. Interpret the slope and y-inercept of the line

    asked by Aril on January 21, 2016
  51. Math

    For the graph y find both x-intercepts by solving the equation 3x^2 - 24x + 45 =0 a) Direction of opening b)y-intercepts c)Axis of symmetry d) vertex e) max or min

    asked by Max on March 8, 2014
  52. statistics/normal distribution

    Find the area of the shaded region.The graph to the right depicts IQ scores of Adults (85-120), and those scores are normally distributed with a mean of 100 and a standard deviation of 15

    asked by slomomo on March 5, 2015
  53. Calc 1

    Use a graph to give a rough estimate of the area of the region that lies beneath the given curve. Then find the exact area. y = 5th root(x), 0 ≤ x ≤ 32

    asked by TayB on May 14, 2015
  54. Algebra 2/Trigonometry

    How do I solve f(x)=x^3-6x^2+16x-96 using Descartes' Rule of Signs to find the number of positive and negative real roots, along with imaginary roots, but not with a graph?

    asked by Christian on December 6, 2014

    Use Newton's method to find all the roots of the equation correct to eight decimal places. Start by drawing a graph to find initial approximations. x^6 - x^5 - 6x^4 - x^2 + x + 8 = 0

    asked by Anonymous on November 6, 2010
  56. math

    While on his way to school, Norman saw that the cost of gasoline was $2.50 per gallon. Write a direct variation equation to describe the cost y of x gallons of gas. Then graph.

    asked by David on November 17, 2010
  57. Trig

    Find the value of the six trigonometric functions. t = 7(pi)/4 Can you show me step by step so I can see how this is solved? Also, do I need to graph this first in order to understand or begin the problem? I am trying to self teach - but having problems.

    asked by Mars on October 5, 2010
  58. Math

    Hi everyone, Sorry to bother you, I was wondering, why is it that for the graph of 1/(1+e^x), 1 is the horizontal asymptote? I had thought the HA should be something that makes the reciprocal function undefined, so I kind of thought the HA should be -1.

    asked by Lawn on May 9, 2012
  59. calculus

    can you please explain tep by step how to solve dividing complex numbers strictly using a graph, the complex plane. I know how to do it algebraically, but not graphically. thankyou

    asked by wendell on June 9, 2012
  60. Science

    How many calories of heat are necessary to raise the temperature of 200g of ice at -30 degrees celsius to steam at 130 degrees? Show graph and work.

    asked by Bob on May 10, 2008
  61. math

    plot graph for y = 1.55x +30 and y= 2.75x where y (£)as a function of the total number of swim x, for the option( member and non-member)what are the approx. coordinates and and what does it represent.

    asked by dev on April 9, 2010
  62. Law and Ethics

    please check my answer thanks :) If a child is at risk for abuse or neglect the state will use Res ipsa loquitor. I said yes

    asked by Anonymous on November 12, 2007
  63. office finances

    which of the following would require a cash receipt a.credit memo b.purchase order c.check d.refund my answer is b

    asked by susue on December 28, 2013
  64. English

    This is what I meant in the previous sentence. Thank you. 1)I want to say that if this person knows the password, he can check the names of the students who have already sent mail to their parterns.

    asked by Matthew on March 21, 2012
  65. teachers aide

    Resources for educating young children with diverse abilities part-3 Please check my answer?This is my last exam. 1--c 2--b 3--c 4--c 5--a 6--d 7--b(not sure) 8--d 9--b 10-c 11-b 12-a 13-d 14-c 15-d 16-a 17-c 18-d 19-c 20-a

    asked by mira on December 31, 2013
  66. history

    who was the 5th president of the u.s please help me Check this site. http://americanhistory.about.com/library/fastfacts/blffpres5.htm

    asked by eric on July 11, 2007
  67. english

    the question might sound dumb, but can anyone check to see if the sentence is correct: It's(form) due till May 1st.

    asked by random grammar on March 19, 2012
  68. History

    In the Eastern Orthodox Chrurch icons were once forbidden by the Pope true ** false check my answers please.

    asked by Sally on May 10, 2016
  69. iTunes help please?

    I interrupted my downloads and I went to check purchases and I can't do anything more without downloading the latest version of iTunes, which takes 10 hours. Is there any way around this? thanks

    asked by anonymous on February 20, 2008
  70. English

    Can you check this sentence, please? 1) The subtitle to the novel is emblematic of Frankenstein's being an overreacher. He has to keep his face covered because of his horrible scars.

    asked by Franco on December 2, 2010
  71. 12 Chemistry

    So I forgot, but I have one more I want to check while I am here (I seriously have a need for perfection, and want to include all of the details I can :P). So, what evidence is there that the esters synthesized in the lab are soluble? Again, thank you so

    asked by FOR A SCIENCE TEACHER ONLY!!! on February 18, 2008
  72. social studies

    VIII standard could you please suggest a few steps to check child marriages : Sherry edlapadu ap india

    asked by R S Telagathoty on September 8, 2011
  73. 6th grade english

    I was just checking to see if anyone read my response to the information that you all gave me. I was asked to check back with you all. My post was at 5:49pm Thanks

    asked by Linda on May 1, 2011
  74. Language arts

    I’m doing this essay or summary about the book always to rember the vision of maya Ying Lin can someone check my work please

    asked by Keily on December 13, 2017
  75. English

    Could you please check this sentence? As I haven't heard from you, I'll email the module, you sent to me this morning, to my secretary's office myself(without making ANY CHANGES AT ALL)

    asked by Henry2 on February 10, 2012
  76. Improving Vocabulary Skills

    Can you help me with the ten words to fill in each blank on Improving Vocabulary Skills Chapter 13, 14, 15, 16, 17 for the Final Check 2?

    asked by Divine0324 on March 13, 2013
  77. math

    please check my answer thanks :) The monthly payment on a $90,000 mortgage at a rate of 7.5% interest for 30 years is $630.00

    asked by Anonymous on November 14, 2007
  78. Science

    which of the following helps ensure a groups access to resources it needs for survival? My answer is D. Territorial Behavior. Please check if this is right?..

    asked by Mystery Girl on March 10, 2015
  79. Health please check my answer

    Please check my answer thanks True or Faslse The term used to describe why medical treatment is necessary is procedure I say False

    asked by Graie on April 8, 2008
  80. Teaching dogs Tricks

    Please check my answer thanks Mimicking should be used only for behaviors that A. can't be elicited any other way. B. the dog can't perform well. C. are very involved. D. are difficult to lure I say A

    asked by Sam on August 26, 2008
  81. algebra 1

    Solve for the variable in the equation 3(-2-3x)=-9x-4. I'm having a hard time with this one. Whenever I check my work the numbers are close, but not correct.

    asked by Toni on May 18, 2010
  82. Teacher Aide-Pennfoster

    Im almost done finishing this course online and I need to check my answers for Exam number 02604500 Helping Abused Children please.

    asked by Brie on November 25, 2012
  83. Health/ Basic Clinical Procedures

    Please check my answer thanks An organism that can exist only in the presence of oxygen ? A. anaerobic B. oxygenopyhile C. aerobic D. heterotopy I think it is C

    asked by Helana on April 18, 2008
  84. Vocabulary

    The woman's screeches (screech)brought the neighbours running to her place. Please find to check whether is is correct. Thanks & regards.

    asked by deyond ng on February 21, 2017
  85. Art

    Thank you, Writeacher. Could you please check if everything is possible? 1) What does Pamela recount to her mum in letter XV? What does Mr B accuse her of and how does she apologize herself to him (or justify her behaviour)?

    asked by John on May 16, 2012
  86. intl business

    How would I find out how many people own dogs in Canada? I have an idea for my business marketing report but need to check the facts first.

    asked by Janna on September 28, 2007
  87. accounting

    On check D, what’s the identification number that should be recorded on the bank deposit slip? A. 5321 C. 0582 B. 200.00 D. 56–92

    asked by himaat on May 31, 2008
  88. social studies

    which pharaoh believed in only one god?????? Check this site. http://www.heptune.com/Akhnaten.html

    asked by kelsey on April 9, 2007
  89. ALG II COT

    Have a tommorrow and want to make sure I understand the COT (cotangent) formula could someone give me a problem to do and check it. Thanks Sam

    asked by Sam on April 23, 2017
  90. math

    hi ms.sue could you please check my answer in problem The perimeter of a square is 64ft. Find the length of a diagonal. c=22.62

    asked by lisa on April 28, 2012
  91. Trig

    Need answer check pls. Find the rectAngular equation for the plane curve by parametric equAtions. X=t +4 , y= t^2

    asked by Stacey grahaM on April 26, 2010
  92. Logarithms

    Solve the following equations for x and check the solution using log. 2^6x-1 = 28 The answer is log56/6log2. Explain each step.

    asked by Bobby on November 8, 2015
  93. math

    find the differential of dy of the given function. y=3x-4sec(2x-1) The answer i got was dy=(3-8sec(2x-1)tan(2x-1))dx I am not entirely certain i got this correct. if you could check this for me, it would be a big help. :)

    asked by charles xavier on December 8, 2012
  94. Algebra 1B

    I can not figure out the answer to this problem. (^6)(-7^6+5) I'm not sure if that sign is correct. It's suppose to be the symbol that looks like a check mark and goes over the 6 on left and over the 6+5 on right. Please help

    asked by LeAnn on February 8, 2010
  95. grammar

    Can you check these sentences, please? "I've always loved animals and felt I could communicate with them. To become a veterinarian, I must carefully choose the right school."

    asked by Artemio on December 3, 2011
  96. Health care please check answer

    Please check my answer thank you Verifying the accuracy of HCPCS codes is an important function in what ? I think that it is maintence of chargemasters

    asked by Rebbeckha on March 11, 2008
  97. Calculus

    Find the equation of the tangent line to f(x)=x sec x at ((pi/4),(pi•sqrt 2)/4). Please check my derivative .. Is it (sin^2(x)+ 1)/cos^3 (x)?

    asked by Anonymous on November 13, 2014
  98. Reading

    Can u please help me with fourth edition improving vocabulary skills short version ? Chapter 1 sentence check 2.

    asked by Minerva on August 29, 2014
  99. Algebra

    Could someone please help me figure out this question. If I paid $76.08 for something that was 40% off, what was the regular price? I got $127.98 but when I check my answer I am off by 2 cents. What am I doing wrong?

    asked by I have one question on November 6, 2008
  100. Enghish

    Please check my answer thanks :) In the sentence "Although the book was more than 50 years old, it still contained helpful information", the word although is what. I said it's adjective

    asked by Anonymous on November 11, 2007