Calculate the arc length of the indicated portion of the curve r(t).r(t) = 3ti + 
j + 
k; -9? t ? 7
A. -50
B. 400
C. 80
D. -10
Answer: C
Mathematics
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Find the indicated quantities for the appropriate geometric sequence.The sum of the first three terms of a geometric sequence equals thirty-one times the first term. Find the common ratio.
A. -6, 5 B. -5, 6 C. -6, -5 D. 5, 6
Mathematics
Use the Pythagorean theorem to find the unknown side of the right triangle.
A. 2
B. 
C. 
D. 16
Mathematics
Use the quotient rule to divide and simplify.
A. 
B. 
C. 
D. 
Mathematics
Find any intercepts. Then graph the linear equation.-5x - 10y = 30
A. (6, 0); (0, 3)
B. (-6, 0); (0, -3)
C. (6, 0); (0, -3)
D. (-6, 0); (0, 3)
Mathematics