Determine if the sequence is arithmetic. If the sequence is arithmetic, find the common difference.a1 = 2, an = an - 1 + 8
A. yes, 8
B. no
C. yes, 2
D. yes, 1
Answer: A
Mathematics
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Find the acceleration vector in terms of ur and u?.r = 2 cos 4t and ? = 3t
A. a = (-50 sin 4t)ur - 48 cos 4tu? B. a = (-50 cos 3t)ur - 48 sin 3tu? C. a = (-50 cos 4t)ur - 48 sin 4tu? D. a = (-50 cos 4t)ur + 48 sin 4tu?
Mathematics
Maximize the function
?
?
subject to the constraint 
.
?
A. 
B. ?
C. ?
D. ?
Mathematics
Use a change of base formula to evaluate the given logarithm. Approximate to three decimal places.log6(16.58)
A. 1.567 B. 1.220 C. 2.763 D. 0.638
Mathematics
Find the area of a sector of a circle if the radius of the circle is 12.3 cm and the arc of the sector is 36°. Round the answer to two decimal places.
(a) 54.13 cm² (b) 3.86 cm² (c) 47.53 cm² (d) 7.73 cm²
Mathematics