1. math,finite mathematics

    this is what i have so far for the following problem but i don't know what to do next: Use the simplex method to solve the linear programming problem minimize W = 4 y1 + 2y2 subject to: 3y1+2y2>=60 4y1+y2>=40 y1>=0,y2>=0 so this is how i started it: i did it in the...
  2. Math

    2y² - 3y – 6 = 0
  3. Algebra

    y3-2y2- + 3y-4 for y+5 (-9) (-9) (-9) m.m.m 7.a.a.b.b.b
  4. ALGEBRA

    (5y2-4y)+ (2Y2+6Y-9)
  5. Math222

    What is the domain of y2 – 4 / 2y2 + y – 1
  6. 9th grade Pre Algebra

    y3-2y2- + 3y-4 for y+5
  7. Math

    Which of the following is one of the factors of 2y2 - 6y - 20 Is the answer : y-4
  8. multivariable calculus

    Describe the level surfaces of g(x; y; z) = x2 - 2y2 + z2
  9. Maths

    if y=(x +3)2, then (-2x-6)2 must equal which of the following: a) -4y2 b) -2y2 c) -4y d) 4y
  10. Math

    If x=2and y=-3what is the value of 2x-3xy-2y2
  11. Math

    1. 3w – 10w a. 13w b. –7w <--------------------------- c. –7 d. 7w 2. y + 1.2y +1.2z a. 2.4yz b. 1.3y + 1.2z c. 1.2y2 + 1.2z <------------------- d. 2.2y + 1.2z 3. 6r + r – 5r a. 2r <-------------------- b. 1r + r c. 0r d. 7r – 5r 4. 5x + 2(x + 6) a. 7x + 6 ...
  12. Pre-Algebra

    1. 3w – 10w 13w –7w –7 7w 2. y + 2y +3z 2y + 3z 3y + 3z 2y2 + 3z 6yz 3. 6r + r – 5r 2r 1r + r 0r 7r – 5r 4. 5x + 2(x + 6) 7x + 6 7x2 + 12 7x + 12 7x (x + 6) 5. –3m + 3(m + 6) 6 –6m + 6 6m + 18 18
  13. Math help :(

    1. 3w – 10w 13w –7w –7 7w 2. y + 2y +3z 2y + 3z 3y + 3z 2y2 + 3z 6yz 3. 6r + r – 5r 2r 1r + r 0r 7r – 5r 4. 5x + 2(x + 6) 7x + 6 7x2 + 12 7x + 12 7x (x + 6) 5. –3m + 3(m + 6) (1 point)6 –6m + 6 6m + 18 18
  14. Math

    What is the opening direction of the parabola x = –2y2. A.left B.right C.up D.down
  15. math

    Help?Simplify each expression.1. 3w – 10w a. 13w b. –7w c. –7 d. 7w 2. y + 1.2y +1.2z a. 2.4yz b. 1.3y + 1.2z c. 1.2y2 + 1.2z d. 2.2y + 1.2z 3. 6r + r – 5r a. 2r b. 1r + r c. 0r d. 7r – 5r 4. 5x + 2(x + 6) a. 7x + 6 b. 7x2 + 12 c. 7x + 12 d. 7x (x + 6) 5. –3m + 3(m...
  16. Algerbra

    f y = (x + 3)2, then (-2x - 6)2 must equal which of the following? A. -4y2 B. -2y2 C. -4y D. 4y is A the right answer
  17. Algerbara

    I am doing equations with Zero Product Rule and am stuck on two problems. 2y2 + 5y = -3 x2 = -3x
  18. University of Phoenix

    Minimize w= y1+y2+4y3 subject to y1+2y2+3y3>=115 2y1+y2+y3<=200 y1+ y3>=50 with y1 >=0 y2>=0 y3>=0
  19. calculus(differentian)

    x=(6-2y²)/(1+y) differentiate with respect to y I saw this in a question here but..I don't get how the person go that answer.
  20. maths

    Solve the system. 3x2 - 2y2 = -5 x2 + y2 = 25 A. (3, 4), (3, -4), (-3, 4), (-3, -4) B. (4, 4), (5, 4), (3, -4), (1, –4) C. (-3, 4), (1, 4), (-3, -4), (2, -4) D. (1, 4), (2, –4), (–4, 3), (–3, –3) Find the coordinates of the corner points using the following: x - y...
  21. Calc III

    Find the volume of the given solid. Enclosed by the paraboloid z = 6x2 + 2y2 and the planes x = 0, y = 4, y = x, z = 0
  22. Algebra

    Solve the system of equations by an algebraic method. Leave answer in exact form. 4x² - 7y² = 21 x² + 2y² = 99
  23. exact differential equation

    (x2-4xy-2y2)dx+(y2-4xy-2x2)dy=0
  24. Circles 1

    if the radical axis of the circles x2+y2+2gx+2fy+c=o and 2x2+2y2+3x+8y+2c=o touches the circle x2+y2+2x-2y+1=o show that either "g"=3/4 or f=2
  25. alg 2.

    how would i condense this... 3lnxy-2ln2y. whenever i condense i get ln(xy^3/2y2). but my teacher has ln(x^3y/4). can someone please show me how to get that answer thanks!
  26. maths

    The real numbers x and y satisfy the nonlinear system of equations {2x2−6xy+2y2+43x+43yx2+y2+5x+5y==174,30. Find the largest possible value of |xy
  27. math,help

    and then this one as well : state the dual problem for each linear programming problem. minimize w =y1+y2+4y3 subject to: y1+2y2+3y3 >=115 2y1+y2+8y3>=200 y1 +y3 >=50 with y1>=0, y2>=0, y3>=0
  28. algebra

    3x − y2 − 3 + 2y2 + 2x − 4 I have to combine like terms My answer is 5x+1y-7
  29. Algebra II --- Variation, Progression, and theorem

    1. If y varies inversely as x, and y = 12 when x = 6, what is K, the variation constant? A. 1⁄3 C. 72 B. 2 D. 144 2. Use the remainder theorem and the factor theorem to determine whether (y – 3) is a factor of (y4 + 2y2 – 4). A. The remainder is 0 and, therefore, (y...
  30. math

    use the remainder theorem an the factor theorem to determine whether (y-3) is a factor of (y4+2y2-4).
  31. calc 3

    Find parametric equations for the tangent line to the curve of intersection of the paraboloid z = x2 + y2 and the ellipsoid 7x2 + 2y2 + 6z2 = 33 at the point (−1, 1, 2). (Enter your answer as a comma-separated list of equations. Let x, y, and z be in terms of t.)
  32. 7th grade math Ms. Sue please

    1. 3w – 10w (1 point) 13w –7w –7 7w 2. y + 1.2y +1.2z (1 point) 2.4yz 1.3y + 1.2z 1.2y2 + 1.2z 2.2y + 1.2z 3. 6r + r – 5r (1 point) 2r 1r + r 0r 7r – 5r 4. 5x + 2(x + 6) (1 point) 7x + 6 7x^2 + 12 7x + 12 7x (x + 6) 5. –3m + 3(m + 6) (1 point) 6 –6m + 6 6m + 18 ...
  33. VERY URGENT MATH!!!

    1. 3w – 10w (1 point) 13w –7w –7 7w 2. y + 2y +3z (1 point) 2y + 3z 3y + 3z 2y2 + 3z 6yz 3. 6r + r – 5r (1 point) 2r 1r + r 0r 7r – 5r 4. 5x + 2(x + 6) (1 point) 7x + 6 7x2 + 12 7x + 12 7x (x + 6) 5. –3m + 3(m + 6) (1 point) 6 –6m + 6 6m + 18 18 MY ANSWERS: 1)B 2...
  34. AP Chemistry

    Calculate ∆G0 for the following reaction. 4XY + 3Z2−→2Z3X2+ 2Y2 Substance ∆H0f S0kJ/mol J/mol·K XY 205.0 75.0 Y2 −82.0 37.0 Z2 −25.0 78.0 Z3X2 −245.0 137.0 Answer in units of kJ/mol
  35. calculusiii

    he paraboloid z = 4 − x − x2 − 2y2 intersects the plane x = 4 in a parabola. Find parametric equations in terms of t for the tangent line to this parabola at the point (4, 2, −24). (Enter your answer as a comma-separated list of equations. Let x, y, and...
  36. Algebra 2

    James spent $(2y2 + 6). He bought notebooks that each cost $(y2 − 1). The expression to find the number of notebooks James bought is . If y = 3, James bought notebooks.
  37. Algebra

    1. Simplify the expression 4 3 — - — x x 2. Simplify the expression 6 4 — + — c c² 3. Simplify the expression 3y 9y — ÷ — 4y - 8 2y² - 4y 4. Simplify the expression: ( 2x³ - x² - 13x - 6 ) ÷ ( x -3 )
  38. Calc, Implicit Differentiation

    Regard y as independent variable and x as dependant variable and find the slope of the tangent line to the curve (4x^2 + 2y2)^2 - x^2y = 4588 at point (3,4). Correct answer is -0.668827160493827 Here's what I did: 2(8x(dy/dx) + 4y) -2x(dx/dy)y + x^2 = 0 16x(dx/dy) + 8y - 2x(dx...
  39. Math

    How do you find the point of intersection(s) for x = 2y2 + 3y + 1 and 2x + 3y2 = 0 A) You cannot find points of intersections for non-functions. B) Plug in 0 for x into both equations and solve for y. Then plug that answer back into the other equation to find the corresponding...
  40. Math

    How do you find the point of intersection(s) for x = 2y2 + 3y + 1 and 2x + 3y2 = 0 A) You cannot find points of intersections for non-functions. B) Plug in 0 for x into both equations and solve for y. Then plug that answer back into the other equation to find the corresponding...
  41. math

    A class of college freshmen is composed of 110 students. Among these students, 75 are taking English, 52 are taking history, 50 are taking math, 33 are taking English and history, 30 are taking English and Math, 22 are taking History and Math, and 13 are taking all three ...
  42. math

    A class of college freshmen is composed of 110 students. Among these students, 75 are taking English, 52 are taking history, 50 are taking math, 33 are taking English and history, 30 are taking English and Math, 22 are taking History and Math, and 13 are taking all three ...
  43. College Math

    For questions 1-2, apply the quadratic formula to find the roots of the given function, and then graph the function. 1. f(x) = x2 + 4 (6 points) g(x) = x2 - x – 12 For questions 3-4, factor the quadratic expression completely, and find the roots of the expression. 1. (3 ...
  44. Algebra check answers

    Choose the best definition for the following term: variable A. A letter that holds the place for some unknown value in mathematics*** B. A process where you must look for terms that have identical variable parts and then combine their coefficients C. A process where if two ...
  45. REVISED Improving Writing.

    Draft an interoffice memorandum to Miriam Hopkins, the Director of Human Resources: a. Assume that you’ve received confirmation from Jeremy Dittmer for the date, time, and materials needed. The trainer he has assigned is Deb Walker (email: Deb.Walker..). b. Outline the ...
  46. IMPROVING WRITING

    I have 3 essays if someone could correct them for me ! #1 I am writing to you regarding an upcoming seminar that will cover the sensitive topics of sexual harassment and unlawful discrimination. It would be my humble request if you could supply an appropriate trainer who will ...
  47. RE RE REVISED IMPROVING WRITING

    Special note to my all time favorite: Writeacher: I am sorry that my changes seemed as if I did not read your first notations, I did and I admit I changed only a few words. I am sorry if you thought I ignored it and just re submitted it. I am a beginner in writing business ...
  48. Improving Writing- REVISED VERSION

    Assume that you’ve worked for the last five years as an administrative assistant for the Human Resources Department of Broadworth General Hospital. The Director of Human Resources, Miriam Hopkins, has charged you with organizing a two-hour training seminar to be attended by ...
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