Use the coordinates of the indicated points to find the slope of the line.
A. 
B. 1
C. 0
D. undefined
Answer: C
Mathematics
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Find the unit tangent vector T and the principal unit normal vector N. r(t) = 
i + 
j + 3tk
A. T = 
(cos 0.8t)i - 
(sin 0.8t)j ; N = (-sin 0.8t)i - (cos 0.8t)j
B. T = 
(cos 0.8t)i - 
(sin 0.8t)j + 
k ; N = (-sin 0.8t)i - (cos 0.8t)j
C. T = 
(sin 0.8t)i - 
(cos 0.8t)j ; N = (-sin 0.8t)i - (cos 0.8t)j
D. T = 
(cos 0.8t)i - 
(sin 0.8t)j + 
k ; N = (-sin 0.8t)i - (cos 0.8t)j
Mathematics
Round the following to the nearest ten, nearest hundred, and nearest thousand.8894
A.
| Ten | 8900 |
| Hundred | 8800 |
| Thousand | 8000 |
B.
| Ten | 8900 |
| Hundred | 8900 |
| Thousand | 9000 |
C.
| Ten | 8890 |
| Hundred | 8900 |
| Thousand | 9000 |
D.
| Ten | 8890 |
| Hundred | 8800 |
| Thousand | 9000 |
Mathematics
Convert the measurement as indicated.17
qt to pints
A. 35 pt
B. 4
pt
C. 8
pt
D. 70 pt
Mathematics
Use the unit circle to determine the value of the given expression or state that it is undefined.sec (-90°)
A. 0 B. -1 C. undefined D. 1
Mathematics