Use matrices to help find a general solution of the system of equations. Express your answer in terms of z.
Enter your answer as an ordered triple.
What will be an ideal response?
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Express the integrand as a sum of partial fractions and evaluate the integral.
A. 1.59 B. 0.98 C. 3.9 D. 1.95
Solve.The linear speed L of a grinding wheel in feet per minute (fpm) is given by the formula 
where d is the diameter of the wheel in inches and r is the rotational speed in revolutions per minute (rpm). What rotational speed is needed for a 4.0-inch grinding wheel to generate a linear speed of 3800 fpm? Use 
(Round to the nearest hundred rpm.)
A. 3900 rpm B. 10,000 rpm C. 11,000 rpm D. 3600 rpm
Solve the following system by any appropriate method. If there is no real number solution, so state.
- 
= 1x + y = 7
A. (2, 4), (-16, 24) B. (2, 3), (-16, 25) C. (3, 10), (-17, -10) D. (3, 4), (-17, 24)
Graph the system of inequalities, and find the coordinates of the vertices.3x - 2y ? -6 x - 1 < 0
A. 
B. 
C. 
D. 