Write the mixed number as a decimal.-2
A. -2.
B. -2.3
C. -2.
D. -2.35
Answer: D
Mathematics
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Evaluate the integral.
A. 
? cos 4
B. 
?2 cos 4
C. 
?2 cos 4
D. 
? cos 4
Mathematics
Write the system of linear equations that the augmented matrix represents.
A.
| 5x | - 2y | = -2 |
| 6x | - 8y | = 8 |
B.
| -2x | + 5y | = -2 |
| 6x | - 8y | = 8 |
C.
| 5x | - 2y | = -2 |
| -8x | + 6y | = 8 |
D.
| 5x | - 2y | = 2 |
| 6x | - 8y | = -8 |
Mathematics
Determine whether the given quadratic function has a minimum value or maximum value. Then find the coordinates of the minimum or maximum point.f(x) = x2 + 2x - 3
A. minimum; 
B. maximum; 
C. maximum; 
D. minimum; 
Mathematics
Solve the problem.A wheel with a 40-inch radius is marked at two points on the rim. The distance between the marks along the wheel is found to be 11 inches. What is the angle (to the nearest tenth of a degree) between the radii to the two marks?
A. 13.8° B. 17.8° C. 15.8° D. 11.8°
Mathematics