mdan

Most popular questions and responses by mdan
  1. maths

    The Number Two Plumbing Co. charges $45 per hour plus a fixed service call charge of $65. Write an equation that will allow you to compute the total bill for any number of hours, x, that it takes to complete a job. A. C = 45x + 65 B. C = 65x + 45 C. 65x +

    asked on October 12, 2013
  2. maths

    Write the equation of the line passing through (0, –5) and (0, 1). A. x = 0 B. y = 0 C. y = x + 0 D. y = 6x My answer is B , am i correct

    asked on October 12, 2013
  3. maths

    SOLVE (x^2 – x)2 – 14(x^2 – x) + 24 = 0 A. 3, 1, -2, -4 B. 1, -3, -4, 2 C. -3, -1, 2, 4 D. -2, 3, -4, 1

    asked on October 7, 2013
  4. maths

    Write the system as a matrix equation and solve using inverses. x1 + 2x2 - x3 = -3 -2x1 - x2 + 3x3 = 0 -4x1 + 4x2 - x3 = -12 A. x1 = 2, x2 = -3, x3 = 1 B. x1 = 1, x2 = -2, x3 = 1 C. x1 = 1, x2 = -2, x3 = 0 D. x1 = 1, x2 = -3, x3 = 1

    asked on October 15, 2013
  5. maths2

    Test the equation for symmetry with respect to the x-axis, the y-axis, and the origin. x2 + y2 + x2y2 = 4 A. Symmetric with respect to the x-axis B. Symmetric with respect to the y-axis C. Symmetric with respect to the origin D. Symmetric with respect to

    asked on October 12, 2013
  6. maths2

    Use the discriminant to determine the number of real roots the equation has. 7x2 + 3x + 1 =0 A. One real root (a double root) B. Two distinct real roots C. Three real roots D. None (two imaginary roots)

    asked on October 7, 2013
  7. maths2

    |10x - 1| = x - 10 A. -1, 1 B. 1 C. -1 D. No solution

    asked on October 6, 2013
  8. 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

    asked on October 15, 2013
  9. mathematics

    Use the discriminant to determine the number of real roots the equation has. 3x2 – 5x + 1 =0 A. One real root (a double root) B. Two distinct real roots C. Three real roots D. None (two imaginary roots)

    asked on October 7, 2013
  1. maths

    fabulous

    posted on October 15, 2013
  2. maths

    this one seems difficult...plz help

    posted on October 15, 2013
  3. maths

    thank you

    posted on October 15, 2013
  4. maths

    i choose 1. b 2. C

    posted on October 15, 2013
  5. maths2

    any help????????????

    posted on October 12, 2013
  6. maths2

    any help plz

    posted on October 12, 2013
  7. maths2

    I choices are : 1. c 2. c 3. d

    posted on October 12, 2013
  8. maths

    ok thanks

    posted on October 12, 2013
  9. maths

    thanks much Steve and Kelsi

    posted on October 12, 2013
  10. maths

    help plz

    posted on October 12, 2013
  11. maths2

    thank u

    posted on October 7, 2013