1. algebra

    Write the equation in y=mx+b form. Find the equation of the line that passes through the points (8,-15) and (-2,5) I am unable to get this answer!

    asked by Jam on February 21, 2011
  2. 7grade math

    using ratio 1:2 find the perimeter of rectangle that has a width of 6 inches and a length of 8 inches? need answer asap

    asked by sandra on November 16, 2010
  3. mathmetic

    if 4th power of pojetive real number 3.215 find the number,also veriphy your answer.

    asked by ganesh patil on August 21, 2015
  4. Trigonometry

    How do I find all solutions to: tanx+3cotx=4? The answer choices are: a.) x=arctan3+nPi b.) x=arccot3+nPi

    asked by Grace on January 1, 2010
  5. STATISTICS

    Find the sample standard deviation s for the following sample data. Round your answer to the nearest hundredth. x: 23 20 11 33 27

    asked by Jake on June 3, 2010
  6. Math

    Find the standard deviation for the given data. Round your answer to one more decimal place than the original data. 2, 5, 47, 11, 13, 48, 39, 36

    asked by Rena on December 9, 2010
  7. math

    how would i find the volume of liquid in a cylinder 6 inches high and 3 inches wide.and how would i convert that answer to oz.

    asked by DEEK on April 21, 2011
  8. Math

    Find the most general antiderivative of the function. (Check your answer by differentiation. Use C for the constant of the antiderivative. Remember to use ln |u| where appropriate.) (x^5+x^3+8x)/x^4

    asked by Alphonse on November 23, 2012
  9. math

    Find the equation of a line containing the following points. Write the equation in slope-intercept form. (2,3) and (2,−2) My answer: y= -5x+8

    asked by Laisha on October 6, 2018
  10. statistics

    a quiz had 6 questions, each with 4 possible answers (only one of which is correct). If you answer them at random, find the probability that all are correct and at least one is wrong.

    asked by tiffany on March 17, 2014
  11. Math

    Find the variance for the given sample data. Round your answer to one more decimal place than the original data. 7 7 2 5 1

    asked by Promise on October 24, 2017
  12. Math

    This irregular shape has 2m,2m,2m, 3m, 4m, 7m _2m_ _2m_ | |2m__3m_| | | | |________| 4 m 7 m how would I find the area if you can't tell how it is so you can't answer it I understand

    asked by Dani on November 16, 2010
  13. Precalculus - check

    Find the derivative of the function. r(t) = log_4(t + sqrt(t)) My answer (sorry, it's messy): (1+(1/2sqrt(t)))(1/tln(4)+sqrt(t)ln(4))

    asked by Amanda on April 1, 2017
  14. geometry

    Find the sine of ∠K. 36 77 85 K J I Simplify your answer and write it as a proper fraction, improper fraction, or whole number.

    asked by Anonymous on June 6, 2016
  15. college algebra

    Find the equation of the line that goes through the given point and has the given slope. Write the answer in slope- intercept form. (-1,-5), -8

    asked by BJ on April 23, 2010
  16. physics

    An ostrich with a mass of 139 kg is running to the right with a velocity of 17 m/s. Find the momentum of the ostrich. Answer in units of kg · m/s.

    asked by iz on January 5, 2017
  17. CALCULUS HELP

    Find the derivative of the following function showing your work and fully simplifying your answer. STEP BY STEP PLEASE!!! f(x)=(8x-3)^5/(6x+7)^12 THANK YOU SO MUCH!!!

    asked by KESHA on March 12, 2014
  18. Math

    determine the value(s) of k which the equation x^2+kx+9=0 will have a) two real roots b) 2 distinct roots I tried to find the discriminant but I didn't get the right answer.

    asked by fatima on October 2, 2016
  19. Calculus

    Find the absolute maximum value and the absolute minimum value, if any, of the function. (If an answer does not exist, enter DNE.) f(x) = x^3 + 3 x^2 - 1 on [-3, 1]

    asked by Ant on June 17, 2013
  20. Algebra

    Suppose H(x)=(sqrt5x+3). Find two functions f and g such that (fog)(x)= H(x) . f(x)= g(x)= Neither function can be the identity function. (There may be more than one correct answer.)

    asked by Janet on February 4, 2011
  21. Math

    Find the absolute maximum value and the absolute minimum value, if any, of the function. (If an answer does not exist, enter DNE.) f(x)=x^3+3x^2-1 on [-3,1]

    asked by Britney on November 7, 2012
  22. Another Algebra (urgent!)

    Find A if the graph of the equation Ax + 3y = 5 is parallel to the graph of 5x - 2y = 4 I tried to solve the problem, but I couldn't really get a good answer. Thanks!

    asked by Bella on January 14, 2009
  23. Alg 1

    Completing the square: Find the value of c such that each expression is a perfect-square trinomial. p^2 - 11p + c Is the answer 30.25? If not, please explain. Thanks

    asked by Jane on April 13, 2013
  24. trig

    How do you solve sin(e^x)=0 for x? The question is "find the smallest number x such that sin(e^x)=0".... but I can't even get AN answer lol! Much appreciated!

    asked by Luna on September 11, 2013
  25. Physics

    The cartesian coordinates of a point in the xy plane are x = −8.09 m, y = −4.3 m. Find the distance r from the point to the origin. Answer in units of m.

    asked by Lucas G on September 12, 2018
  26. Math

    To solve a math problem for homework Carrie needed to find the total of 2 3/4 6.00 and 3 4/5 What should Carrie have gotten as an answer? 7.55?

    asked by Jerald on November 10, 2012
  27. Geometry

    The distance from the center of a square to its side is 4 yd. Find the perimeter of the square. if you post the answer it would be a big help

    asked by maria on April 20, 2017
  28. Pre-Calculus

    Find dy/dx if y= x^6[(x^2-9)^8]? So the answer is supposed to be 2x^5[(x^2-9)^7](11x^2-27), but I don't understand how to get it. Do you use product rule, chain rule or both? thanks

    asked by Ann on January 29, 2014
  29. Geometry

    1. MO bisects LMN, LMN = 5x-23, LMO = x+32. Find NMO. >>I got the answer 45.75 but I got it wrong. I do not know how to solve this question and I have tried all that I know. Please help..

    asked by Needs Help on January 24, 2011
  30. calculus

    For x>0 find and simplify the derivative of f(x)= arctan(x) + arctan(1/x). I've done the problem a few times and I keep getting (1)/(1+(x)^2)+(1)/(1+(1/(1/x)^2))(-x)^-2 but something about the answer is wrong and I cannot figure out what.

    asked by casidhe on April 14, 2012
  31. Physics

    A proton is at the origin and an electron is at the point x = 0.41 nm, y = 0.36 nm. Find the electric force on the proton. I got 7.529 *10^-11 but it wants the answer for fx and fy how do i get that?

    asked by Josh on August 6, 2009
  32. trig

    How do you solve sin(e^x)=0 for x? The question is "find the smallest number x such that sin(e^x)=0".... but I can't even get AN answer lol! Much appreciated!

    asked by Luna on September 11, 2013
  33. MATLAB

    Find the value of x (to 2 decimal places) when y is a minimum, using a while loop. Format the answer, e.g., "At x=ii.ii, y=jj.jj is a minimum". Plot the function. y = x^2 - 4x + 2

    asked by Matt on April 6, 2011
  34. Physics

    A= 2i + 3j - k, B= 4i + 2j - 2k, Find a vector x parallel to A but has magnitude of B ? Answer is √12/7 (2i+3j) - K solve it , i have mcat admission test please solve it

    asked by Shahab Mirza on October 2, 2014
  35. Math- please help

    which expression is equivalent to 3/4x-24. It is a multiple choice questuion a 1/4(3x-48) b 1/4(3x-24) c 3/4(x-32) d 3/4(x+32) I did it by trying each one out I got c 3/4(x-32) mult 3/4 by both 3/4x-24 Is this correct on how to find the answer and is it

    asked by b6 on January 7, 2013
  36. calculus

    Find the slope of the graph of the function at the given point. (If an answer is undefined, enter UNDEFINED.) x^3 + y^3 = 14xy, (7, 7)

    asked by akash on March 22, 2013
  37. Math~Polynomials

    5)Find the degree of -5w-4w^2+7w+16(1point) -5 16 14*** 3 Ok I put stars next to my answer though I'm not sure if I'm correct.. or not so Steve could you tell me if my calculations are way off or if they are correct?....

    asked by Gabby on May 14, 2013
  38. Math 5. Grade

    Trying to figure out how to find the answer. A rectangular has a perimeter of 3600m. What is the width if the length is five times the width? How do I do this.

    asked by Ricky on February 2, 2015
  39. math

    how do you subtract the area of a part to find the area of a figure? PLEASE HELP!!!! whoever answers this please type an answer nicely

    asked by Ann on August 30, 2011
  40. geometry

    find the height of the 32-inch tv screen shown below. round your answer to the nearent tenth of an inch.

    asked by graciela on August 18, 2010
  41. statistics

    Find the uniform continuous probability for P(X < 27) for U(0, 50). I need the formula to figure out with 4 place decimal place as an answer

    asked by angel on October 28, 2013
  42. math

    how to find the LCD for 11x/yz^2, 8x/y^2z? I know the answer is yz^2 but how do you get that. can you plzz plzz explain..... this it is really important..... thnx ...... a lot..

    asked by gagan on July 6, 2009
  43. Please help me with this Q

    Find the standard deviation for the given data. Round your answer to one more decimal place than the original data. 22, 29, 21, 24, 27, 28, 25, 36 A. 4.8 B. 4.2 C. 2.8 D. 1.6

    asked by Amy on September 23, 2014
  44. math

    Find the standard deviation for the data. Round your answer to one more decimal place than the original data. {15,13,31,42,58,78}

    asked by David on September 3, 2010
  45. English

    4) 1 The first rugs were made as a part of their need. Read the passage. Look at the underlined section marked number 1. There may be a mistake in the way the sentence is written. If you find a mistake, choose the answer that corrects the mistake. If there

    asked by Maya on February 20, 2017
  46. Calculus

    A rectangular piece of tin has an area of 1334 square inches. A square tab of 3 inches is cut from each corner, and the ends and sides are turned up to make an open box. If the volume of the box is 2760 cubic inches, what were the original dimensions of

    asked by James on June 13, 2016
  47. Calculus Help Please!!! URGENT!!!!

    Carbon-14 has a half-life of 5700 years. In a living organism, the ratio of radioactive carbon-14 to ordinary carbon remains fairly constant during the lifetime of the organism. After the organism’s death no new carbon is integrated into the organism’s

    asked by Taylor on April 7, 2014
  48. Micro Economics

    Briefly explain the following: (a)Economic cost and accounting cost. (b)Free market economy and mixed economy. (c)Marginal utility theory and indifference curves analysis. Please note that we don't do students' homework for them. Once YOU have come up with

    asked by Christine on March 23, 2007
  49. Trigonometry

    Alrighty I have to find two real world sinusoidal functions. I found: 1. A piston in an engine moves up and down in a cylinder. The height, h centimeters, of the piston a t seconds is given by the function: h= 120 sin(πt) + 200. 2. You can find the

    asked by Lauren on November 6, 2012
  50. Math

    A manufacturer has determined that the weekly profit from the sale of x items is given by the function below. It is estimated that after t days in an week, x items will have been produced. Find the rate of change of profit with respect to time at the end

    asked by Stacey on April 9, 2015
  51. Math

    A manufacturer has determined that the weekly profit from the sale of x items is given by the function below. It is estimated that after t days in an week, x items will have been produced. Find the rate of change of profit with respect to time at the end

    asked by Stacey on April 10, 2015
  52. Calculus

    A manufacturer has determined that the weekly profit from the sale of x items is given by the function below. It is estimated that after t days in an week, x items will have been produced. Find the rate of change of profit with respect to time at the end

    asked by Stacey on April 9, 2015
  53. Math

    you can draw a square inside another square by placing each vertex of the inner square on one side of the outer square. The large square in this diagram has side length 10 units a) Determine the area of the inscribed square as a function of x ( X is from

    asked by Annoym on February 22, 2016
  54. math, question

    what formula did the book use and the set up for it to get this answer for this problem: Problem: Stereo shack sells a stereo system for $600 down and monthly payments of $30 for the next 3 yrs. In the interest rate is 1.25% per month on the unpaid

    asked by student on June 22, 2007
  55. math,correction

    Can someone correct these for me plz... Problem#6 Factor. x(x-5)-2(x-5) My answer is: (x-2)(x-5) Problem#7 Factor completely. x^2-x-6 My answer is: (x+2)(x-3) Problem#8 Factor completely. 35x^2+40x+5 My answer is: (7x+1)(5x+5) Problem #9 Factor by

    asked by jas20 on February 28, 2007
  56. 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 23, 2007
  57. 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 24, 2007
  58. 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
  59. 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
  60. 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
  61. 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
  62. 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
  63. 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
  64. 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
  65. 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
  66. 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
  67. 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 19, 2012
  68. Science

    Answer Key: ****? = Maybe the answer ***** = My Answer --------------------------------------------- 1. How does Earth's rotation cause day and night? (1 points) - As Earth rotates toward the east, the sun appears to rise in the west and set in the east. -

    asked by AJ Girl on January 16, 2019
  69. 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
  70. 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 22, 2014
  71. 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
  72. 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 16, 2008
  73. 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
  74. 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
  75. 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
  76. 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
  77. 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
  78. 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
  79. 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
  80. 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 10, 2012
  81. 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
  82. 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
  83. 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
  84. Math

    x = 2 , 4 , 6 , 8 y = 18, 34, 50, 66 This is supposed to be a table where the x lines up with the y in order How would I find the equation to solve this when x = 20? x goes up by +2 y goes up by +16 but starts with 18 I already posted this and got the

    asked by Amy on October 11, 2010
  85. 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 21, 2009
  86. 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
  87. 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
  88. 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 24, 2011
  89. 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
  90. 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
  91. Algebra

    Using the equation, y=-2/3x-2, find the equation of the line that is parallel and has the ordered pair (3,3). Write the answer in standard form.

    asked by Grant on March 5, 2016
  92. 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 5, 2009
  93. 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
  94. 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
  95. 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
  96. 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
  97. 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
  98. 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
  99. 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
  100. 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