1. Algebra

    Can you please check my answers? Solve the rational inequality and graph the solution set on a real number line. Express the solution set in interval notation. x-2/x+1 or equal to 0 my answer: (3,8] 2/x-2

    asked by Joss on October 24, 2007
  2. Rational Inequities

    Can you please check my answers? Solve the rational inequality and graph the solution set on a real number line. Express the solution set in interval notation. x-2/x+1 or equal to 0 my answer: (3,8] 2/x-2

    asked by Joss on October 25, 2007
  3. math

    This was on my test and have a few more question that is from my test. 18.The Sum of five unequal natural numbers is 90. The second largest of these five numbers can be at the most? A.19 B.41(41 is the right answer) C.44 D.43 E.42 please show work. 22.In

    asked by Mat on July 30, 2014
  4. MATH

    just want to check my work on a few things.... 1. Tile for a kitchen counter will cost $8 per square foot to install. If the counter measures 14 ft by 3 ft, what will the tile cost? Answer-336 2. Estimate the result in the following division problem.

    asked by A on September 5, 2009
  5. Static Electricity. 11th Grade Pre-AP Physics

    Hi everyone! I need some help studying for a test on Static Electricity. I have a few review questions that I don't know how to do. Below they are numbered and in parenthesis I answered what I think you might have to do to get the answer. Please help me in

    asked by Angela on February 25, 2011
  6. Bayes' Theorem

    I tried the problem and my answers are still coming up wrong?. You can compare to mine to see where you (or I) went wrong. I'm a little rusty on Virus infects one in every 200 people. A test used to detect the virus in a person is positive 90% of the time

    asked by MILLY on December 18, 2016
  7. trig

    I have these sum and product property problems and I just want to make sure my work is right. Write equations expressing 1. cos 37degrees cos99degrees as a sum Answer: sin136+(-62) 2. sin4+sin7 as a product Answer: 2sin5.5 sin-1.5 3. cos 8x - cos 2x as a

    asked by Kevin on November 11, 2011
  8. Trig

    I have these sum and product property problems and I just want to make sure my work is right. Write equations expressing 1. cos 37degrees cos99degrees as a sum Answer: sin136+(-62) 2. sin4+sin7 as a product Answer: 2sin5.5 sin-1.5 3. cos 8x - cos 2x as a

    asked by Kevin on November 13, 2011
  9. Quantitative methods

    Missouri Mineral Products (MMP) purchases two unprocessed ores from Bolivia Mining, which it uses in the production of various compounds. Its current needs are for 800 pounds of copper, 600 pounds of zinc, and 500 pounds of iron. The amount of each mineral

    asked by Anonymous on August 20, 2012
  10. Physics

    A 20.0 m long uniform beam weighing 800 N rests on walls A and B, as shown in the figure below.(a) Find the maximum weight of a person who can walk to the extreme end D without tipping the beam.(b) Find the forces that the walls A and B exert on the beam

    asked by Sam on February 24, 2016
  11. math

    Beth Dahlke is taking a ten question multiple choice test for which each question has three answer choice only one of which is correct. Beth decides on answers by rolling a fair die and making the first answer choice if the die shows 1 or 2 the second if

    asked by Andrew on November 20, 2012
  12. math

    Beth Dahlke is taking a ten question multiple choice test for which each question has three answer choice only one of which is correct. Beth decides on answers by rolling a fair die and making the first answer choice if the die shows 1 or 2 the second if

    asked by Katarzyna on November 20, 2012
  13. Math (Pre-Calculus)

    9t^4 + 6t^2 + 2 the problem is asking for the value of t at which the graph is at it's minimum. what i did was set t^4 to x^2 and t^2 to x. So that means I have 9x^2 + 6x + 2. Completing the square and the vertex formula gave me the same answer of -1/3 as

    asked by Kaz on October 15, 2009
  14. Algebra

    1.What is the simplified form of the following expression? 13[6^2€(5^2-4^2)+9] A.169 B.585*** C.181 D.26 2.What is the simplified form of the expression? 6xyz/2xz A.3 B.3y C.3xyz*** D.3x^2yz^2 3.In a football game. A running back ran for -7 and -5 on

    asked by GummyBear on August 31, 2015
  15. physics

    Three objects lie in the x, y plane. Each rotates about the z axis with an angular speed of 4.44 rad/s. The mass m of each object and its perpendicular distance r from the z axis are as follows: (1) m1 = 6.00 kg and r1 = 1.00 m, (2) m2 = 4.50 kg and r2 =

    asked by Anonymous on April 23, 2014
  16. College Algebra

    I could not figure out the answer to this Problem: The quadratic function f(x)= -2x^2 =4x +3 can be used to solve the following inequality: -2x^2 -4x < -3 First use the Quadratic Formula to find the x-intercept of f. This problem asks that the answer be

    asked by Lee on October 22, 2010
  17. Math

    Are these correct: 3) Find the capacity in gallons of a drum that is cone-shaped if the radius is 9 feet, and the slant height is 41 feet. (first find the volume) Volume in cubic feet = 3477.74306 cubic feet Capacity in gallons = 26013 gallons (Round

    asked by Mike on May 17, 2008
  18. Pre-Algebra

    These are 2 problems that I'm stuck on; I know the answers to them but I just don't know how to find that answer. Can someone please help? 1. The probability that the Lions football team will win the next game is 0.6. What are the odds that it'll win? Ans-

    asked by mysterychicken on June 29, 2009
  19. Math

    "Last year, the personal best high jumps of track athletes in a nearby state were normally distributed with a mean of 229 cm and a standard deviation of 19 cm. What is the probability that a randomly selected high jumper has a person best between 229 and

    asked by Gia on June 1, 2012
  20. English

    From reading "Birches," we can conclude that the speaker is a(n): A: Boy B: Birch tree C: old man D: girl on her hands and knees Answer : A ? "Song" makes extensive use of : A: assonance B: personification C: rhyme D: onomatopoeia Answer: C "The creation"

    asked by Ciara on March 27, 2013
  21. Pre-calculus; urgent ! Please help !

    1.Graph the polar equation r=3-2sin(theta) 2. Find the polar coordinates of 6 radical 3,6 for r > 0. 3. Find the rectangular coordinates of (7, 30°). 4. Write the rectangular equation in polar form. (x – 4)2 + y2 = 16 5. Write the equation –2x + 6y =

    asked by Becca on February 26, 2013
  22. Math ! Please Help !

    1.Graph the polar equation r=3-2sin(theta) 2. Find the polar coordinates of 6 radical 3,6 for r > 0. 3. Find the rectangular coordinates of (7, 30°). 4. Write the rectangular equation in polar form. (x – 4)2 + y2 = 16 5. Write the equation –2x + 6y =

    asked by Becca on February 26, 2013
  23. Calculus please help !

    1.Graph the polar equation r=3-2sin(theta) 2. Find the polar coordinates of 6 radical 3,6 for r > 0. 3. Find the rectangular coordinates of (7, 30°). 4. Write the rectangular equation in polar form. (x – 4)2 + y2 = 16 5. Write the equation –2x + 6y =

    asked by Becca on February 26, 2013
  24. Physics

    A conical pendulum is formed by attaching a ball of mass m to a string of length L, then allowing the ball to move in a horizontal circle of radius r. 1. Find an expression for the tension T in the string. (Express your answer in terms of the variables L,

    asked by Anonymous on October 11, 2012
  25. math,correction

    can someone correct this for me parts A-E and if i am wrong can you help me....please How many 7-digit telephone numbers are possible if the first digit cannot be zero and..... a) only odd digits may be used? my answer: 8125 b) the telephone number must be

    asked by student on July 6, 2007
  26. Physic

    1. The image shows a man pulling a truck. If it does not show up for you for whatever reason, this is a description of the image. Assume it takes 2500 N for him to pull the truck along the road at a constant speed. a. Find the net force acting on the

    asked by Anonymous on October 22, 2018
  27. Trig

    I'm confused on how to determine what the end result angles are for a trigonometric identity (I get how to find the value of sin, cos, etc., and I know how to find the reference angle. I just don't know how to determine further angles from there). For

    asked by Tara on January 11, 2010
  28. statistics

    Use the z-table to find the requested probabilities. Enter your answers to 4 decimal places. (a) P(z < −1.02) = Incorrect: Your answer is incorrect. (b) P(z ≥ 2.43) = (c) P(−1.80 < z < 1.36) =

    asked by Sara on October 20, 2014
  29. math

    Find the monthly payment for the loan. (Round your answer to the nearest cent.) $400 loan for 12 months at 14%

    asked by leelee kay on June 3, 2014
  30. Physics

    A moving object has a kinetic energy of 138 J and a momentum of 23.9 kg·m/s. a) Find the speed of the object. Answer in units of m/s.

    asked by Maria on February 25, 2011
  31. Maths

    Find the largest integer S which is a divisor of n^5−17n^3+16n for every integer n≥4. Tried it for a number of times. Please answer if you know how to solve it.

    asked by Satyam on June 23, 2013
  32. math

    Find the nth term of the geometric sequence whose initial term is 7 and common ration is 7.(Your answer must be a function of n.)

    asked by Anonymous on November 22, 2009
  33. Science

    Hi I've read everything and searched everything and I can't find the answer to this question so... How is iodine-131 and iodine-126 similar and how is it different? Thank you this is stressin me out!

    asked by ASHLEY on October 10, 2015
  34. Algebra

    I have to find the vertex, axis of symmetry, and x intercepts of x^2-x+(5/4). I put it in standard form as -(x+-.5)^2+1.5. Thus, the vertex would be .5, 1.5. But the book's answer is 1/2, 1. How did they get this?

    asked by Erin on November 8, 2009
  35. Math

    Find the standard deviation for the given data. Round your answer to one or more decimal places than the original data. 3){15,13,31,42,58,78} A)534.3 B)23.1 C)36.5 D)39.5

    asked by anonymous on March 29, 2011
  36. maths

    Find all complex numbers z satisfying the equation e 6 iz = 3i. Give your answer in Cartesian form, and indicate them on the complex plane.

    asked by Anonymous on October 27, 2018
  37. Alegebra 2

    Two positive numbers differ by 2. Their reciprocals add to 3. Find the numbers. (keep your answer in simplest radical form)

    asked by Anonymous on March 4, 2014
  38. math

    Solve for x and y using elimination ax+by=c bx+ay=c This question has been confusing me for a long time, and I can't seem to find the answer by solving using elimination. Thanks for helping me :)

    asked by anonymous on March 19, 2018
  39. geography

    How many degrees are there between the equator and the southern tip of Greenland? My answer is 60 degrees. Is this correct? Can you also give me a better map to find this on?

    asked by Reed on September 22, 2011
  40. math -interest

    Find the monthly payment for the loan. (Round your answer to the nearest cent.) $400 loan for 12 months at 14%

    asked by Silvia Kay on June 10, 2014
  41. math

    Find the nth term of the geometric sequence whose initial term is 7 and common ration is 7. (your answer must be a function of n)

    asked by Anonymous on November 22, 2009
  42. calculus

    Let f(x) = (x − 3)−2. Find all values of c in (2, 5) such that f(5) − f(2) = f'(c)(5 − 2). (Enter your answers as a comma-separated list. If an answer does not exist, enter DNE.) C=?

    asked by Kate on April 2, 2012
  43. math

    Find the monthly payment for the loan. (Round your answer to the nearest cent.) $700 loan for 12 months at 12%

    asked by lade on May 23, 2014
  44. Algebra

    Find the domain of the function. Write in interval notation. sqrt(x^2 − 64). For the answer, I got (-infinity, -8)u(8, infinity), but that's wrong, and I'm not sure what else to try?

    asked by kelly on September 13, 2015
  45. physics

    Find the coordinate of the center of mass of the bricks shown in the figure.(Figure 1) Express your answer in terms of L. ---L2------> -------------------------------------------> 0 X

    asked by anonymous on May 1, 2017
  46. Math/Calculus

    Find k so that the following function is continuous on any interval: f(x)= kx 0 (less than or equal to) x (less than) 2 3x^2 2 (less than or equal to x) i know the answer is 12 but i don't know how to arrive at that. could you please walk me through the

    asked by Kate on September 10, 2008
  47. Calculus

    Lines tangent to the curve y-1=2x^2+3x pass through the point A(2,-1). Find the x-coordinate(s) of the point(s) of tangency. The answer is 2+2^1/2, 2-2^1/2, I just don't know how to get there. Please help! Thank you!

    asked by Ty on December 7, 2014
  48. VB

    To paint a graphic image into a picturebox control, you would use the function _______ i cant find the answer anywhere, but im thinking paint

    asked by Tiffani on September 25, 2007
  49. Math

    Find an equation of the line that passes through the given point and has the given slope Express ur answer in slope-intercept form. (8,0), m=-3

    asked by Tanya on February 18, 2010
  50. Algebra

    27-f(x)=1/4x^2-2x-12. Can you show me how to find the vertex and x intercepts, step-by-step? I tried to put it in standard form, with (1/2x-1)^2-13, but my book said that's not the answer. Thanks!

    asked by Erin on November 8, 2009
  51. Algebra

    Find the product of (x^2 - 3x + 5) with the quotient of (10x^6 - 15x^5 - 5x^3) ÷ 5x^3. I need some help with this. I'm really unclear on the steps and how to solve this as a whole. I don't just need an answer, I'd like to know the steps as well. Please?

    asked by Acezar on November 2, 2010
  52. algebra

    1. the function f(x)=6x/3x-5 is one to one. find its inverse and check your answer. And on the second one can you tell me if I am correct. 2. solve the following exponential solution 7^2x+7^x+1-60=0 7^2 x+7^x-59=0 (49x)+7^x-59=0 49x/49=0/49 x=0/49 x=0

    asked by Heather-two questions please help on December 1, 2012
  53. physics

    A truck covers 38.7 m in 6.4 s while smoothly slowing down to a final speed of 3.5 m/s. Find its original speed. Answer in units of m/s

    asked by Anonymous on October 10, 2011
  54. Physics

    A moving object has a kinetic energy of 146 J and a momentum of 23.4 kg·m/s. a) Find the speed of the object. Answer in units of m/s.

    asked by Michael N. on January 26, 2011
  55. math

    In a survey, 480 people or 75% said they attened a movie at least a month. how many people were surveyed? i don't get how to find the answer

    asked by Lilly on November 14, 2010
  56. Math: Trig

    What is Arcsec(-2) equal to and how can you find the correct answer? I got 2pi/3 but it was marked wrong on my test and I'm not sure why it's wrong. Can you please explain this to me? Thanks!

    asked by Cici on June 16, 2014
  57. college maths

    Write as a product of factors; then find the product. (Points: 5) 0 90 675 150 I think the answer is C but im confuse any other opinions please?

    asked by lisa on December 13, 2010
  58. Geometry. HELP!!

    The ratio of the measures of an angle to its complement is 3:2. Find the measures of the angles. (don't give me the answer, just tell me the process, thank you).

    asked by Antonia on September 19, 2011
  59. physics

    A car accelerates uniformly from rest to a speed of 73.6 mi/h in 7.68 s. Find the constant acceleration of the car. Answer in units of m/s 2

    asked by tom on October 22, 2014
  60. math

    my question in (slope) find the coordinates of the vertices of a triangle so that the slope of all three sides are positive ??? please explain your answer .

    asked by mota on November 30, 2007
  61. Math

    Find an equation of the ellipse with its center at the origin. center(0,0) foci(2,0)(-2,0) major axis=8 My answer is x^2/16 + y^2/15 = 1. Is this correct?

    asked by Abbey(Please help) on May 3, 2010
  62. Physics

    A moving object has a kinetic energy of 138 J and a momentum of 23.9 kg·m/s. a) Find the speed of the object. Answer in units of m/s.

    asked by Maria on February 23, 2011
  63. math (geometry)

    A parallelogram has sides 8 and 12. The shorter altitude is 6. Find the length of the other altitude. -------------------------------------------------------------------------------- It says the answer is 9, but I don't know how they got that. Any help is

    asked by Emily on March 12, 2008
  64. Math

    does anyone know how to find the answer to the following questions: An invoice is dated Aug 29 with terms of 4/15 E.O.M. What is the discount date and the net date ?

    asked by Joyce on May 21, 2013
  65. Chemisrty

    To what volume must 1.0 l of a 6.0 m solution of hcl be diluted in order to prepare a 0.2 m solution? I just need to find wht steps i need to take to get the answer

    asked by Jacob on April 27, 2015
  66. Psychology

    What is meant by this question: What is the theory underlying ANOVA? I don't understand what the question is asking and cannot find an exact answer.

    asked by Cindy on October 6, 2009
  67. math

    find the points to the curve y=(cos x)/ (2 + sin x) at which the tangent is horizontal... can you explain how get the answer thoroughly and step by step...

    asked by khela on October 28, 2010
  68. New here

    Hi, I'm in 7th grade and I am new to this site. Could someone please tell me how this site works and also, how do I find out if someone posted an answer to the question I asked? Thank You! Rayne

    asked by Rayne on November 3, 2017
  69. Geometry

    Find the measure of the third angle of a triangle given the measure of two angles are 86º and xº. A- 86-x B- 90-x C- 94-x D- 180-x My answer was A. Please correct me if I am wrong. Thank you

    asked by Kaashif on October 11, 2016
  70. calculus

    Determine whether the sequence converges or diverges. If it converges, find the limit. (If an answer does not exist, enter DNE.) An=[(-1)^n]/[8[(n)^(1/2)]]

    asked by lidiya on May 16, 2017
  71. calculus

    Find the area of the indicated region. We suggest you graph the curves to check whether one is above the other or whether they cross, and that you use technology to check your answer. Between y = x2 − 4x + 1 and y = −x2 + 4x − 5 for x in [0, 3]

    asked by Leticia on December 16, 2013
  72. Math

    Prompt. Use equivalent fractions to order therse fractions from least to greatest: 2/3,1/2, 4/12, 5/6. Explain the steps you took to find your answer.

    asked by Susie on November 27, 2012
  73. college algebra

    Find equation of each line. write answer in slope intercept form. The line parallel to -3x+2y=9 and contains the point (-2, 1).

    asked by BJ on April 23, 2010
  74. calculus

    Determine whether the sequence converges or diverges. If it converges, find the limit. (If an answer does not exist, enter DNE.) An=(n^2)(e^-n)

    asked by lidiya on May 16, 2017
  75. Calculus

    The function defined below satisfies the Mean Value Theorem on the given interval. Find the value of c in the interval (1, 2) where f'(c)=(f(b) - f(a))/(b - a). f(x) = 1.5x-1 + 1.1 , [1, 2] Round your answer to two decimal places.

    asked by olga on October 17, 2015
  76. calculus

    Determine whether the sequence converges or diverges. If it converges, find the limit. (If an answer does not exist, enter DNE.) {0, 4, 0, 0, 4, 0, 0, 0, 4, ...}

    asked by lidiya on May 16, 2017
  77. Math

    suppose u and v are functions of x that are differentiable at x=2 and that u(2) =3, u'(2) = -4, v(2) = 1, and v'(2) find values of derivatives at x = 2 (d/dx)(uv) = ? I would like to know how to set this up because I'm only used to getting problems that

    asked by Amy on November 1, 2011
  78. math

    Marna wants to find the values of x for which the funciton below will have a value of 10. f(x) = x^2 + x - 20. Which of the following shows the correct factorization of this funciton for f(x) = 10. A. (x + 5) (x + 4) = 10 B. (x - 5) (x - 4) = 10 C. (x + 6)

    asked by Jane on June 4, 2012
  79. math

    Find the monthly payment for the loan. (Round your answer to the nearest cent.) $800 loan for 12 months at 10%

    asked by buffy on March 17, 2013
  80. help ?

    Let f(x) = (x − 3)^−2.Find all values of c in (1, 4) such that f(4) − f(1) = f'(c)(4 − 1).(Enter your answers as a comma-separated list. If an answer does not exist, enter DNE.)

    asked by Fatih on March 22, 2012
  81. math

    find the unknown lenght of a rectagular prism. Lenght=15 volume=180 ft square with= 4 ft my answer is x=120

    asked by siulanis perez on June 16, 2015
  82. physics

    The mass of a solid cube is 1200 g, and each edge has a length of 4.15 cm. Find the density of the cube. Answer in units of kg/m^3

    asked by Sid on August 25, 2013
  83. Math

    Find the missing dimension of the cylinder. Round your answer to the nearest whole number. 1. Volume = 84 in.^3 r = 6 in. h = ? 2. Volume = 650 cm^3 r = 8 cm h = ?

    asked by Anonymous on March 12, 2014
  84. math

    Find the standard deviation for the given data. Round your answer to one more decimal place than the original data. 10) {15, 13, 31, 42, 58, 78} A) 36.5 B) 534.3 C) 39.5 D) 23.1

    asked by Anonymous on December 13, 2009
  85. physics

    A moving object has a kinetic energy of 147 J and a momentum of 22.3 kg·m/s. a) Find the speed of the object. Answer in units of m/s

    asked by rachel on May 2, 2014
  86. math

    Find the measure of the third angle of a triangle given the measure of two angles are 86º and xº. A. 86-x B. 90-x C. 94-x D. 180-x My answer was A. Please correct me if I am wrong. Thank you

    asked by Kaashif on October 11, 2016
  87. Pre-Calculus

    Sorry to be a pest but I never got an answer and I'm really stuck Can you please check this equation. Find polar equation of x^2 + y^2 = 10y x^2 + y^2 = r^2 r^2 = 10sin(theta)

    asked by Tonya on October 7, 2011
  88. geometry

    Find the area of the segment of the circle. Leave your answer in terms of pi. there is a circle with a 90 degree triangle and one side is 3 cm

    asked by Hannah on May 5, 2013
  89. PRE CALCULUS

    find exact values for the number of radians for an arc of 4pi/3 on a unit circle is the answer 4pi/3???

    asked by Anonymous on October 18, 2013
  90. Brief Calculus

    Find the area of the indicated region. We suggest you graph the curves to check whether one is above the other or whether they cross, and that you use technology to check your answer. Between y = −x and y = −x^3 for x in [−1, 1]

    asked by Matt on November 24, 2014
  91. math

    AOD is a diameter of circle O. The coordinates of points A and D are (-11,-5)and (-3,-5)Find the area of circle O. a. 9 pi b. 16 pi c. 25 pi d. 64 pi e. 116 pi please answer and explain

    asked by thomas on April 27, 2014
  92. calculus

    Determine whether the sequence converges or diverges. If it converges, find the limit. (If an answer does not exist, enter DNE.) (1/3,1,1/4,1/2,1/5,1/3,1/6,1/4...)

    asked by lidiya on May 16, 2017
  93. 5th grade math

    Estimate the quotient. 1.175/18 2. 231/37 My answer is 1. 200/20=10 2. 200/40=5 Did I find the correct estimates for these problems?

    asked by elizabeth on April 10, 2014
  94. Physics

    A 1760 kg car accelerates uniformly from rest to 8.8 m/s in 4.52 s. Find the work done on the car in this time. Answer in units of J.

    asked by Dave on February 27, 2011
  95. Calculus

    Find the area of the indicated region. We suggest you graph the curves to check whether one is above the other or whether they cross, and that you use technology to check your answer. Between y = x^2 − 4x + 1 and y = −x^2 + 4x − 5 for x in [0, 3]

    asked by Diana on August 1, 2016
  96. calculus

    Find parametric equations for the line through the point P(2, 9, 4) that is parallel to the plane x + y + z = 6 and perpendicular to the line x = 5 + t , y = 5 − t , z = 5t . Answer Choices: 1. x = 2 + 6t, y = 9 + 4t, z = 4 + t 2. x = 2 + t, y = a + t, z

    asked by Bob on October 27, 2010
  97. Physics acceleration

    A car accelerates uniformly from rest to a speed of 91.4 mi/h in 7.68 s. Find the constant acceleration of the car. Answer in units of m/s

    asked by Jackie on October 2, 2015
  98. math

    Write a real-world problem that you could represent with the equation 4x+5=37. Solve the equation to find the answer to your question.

    asked by gabe on January 27, 2016
  99. Algebra

    I need help this this question it is on of the questions on an assesment and i cant get it wrong but i don't know the answer please help! Find the length of the segment MN with endpoint M at 2,-3 and endpoint N at 8,5

    asked by Anonymous on February 16, 2016
  100. Chemistry

    For the reaction HCONH2(g) -->

    asked by Kevin on May 30, 2018