# 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