Write a formula for the nth term of the infinite sequence. Do not use a recursion formula.5, 1, 
, 
, . . .
A. an = 
B. an = 
C. an = 
D. an = 5n
Answer: C
Mathematics
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Solve the problem.The life (in months) of an automobile battery has a probability density function defined by 
for x in 
Find the probability that the life of a randomly selected battery is greater than 5 years.
A. 0.1889 B. 0.2704 C. 0.0630 D. 0.8111
Mathematics
Find the area of the SAS triangle ABC. If necessary, round the answer to two decimal places.A = 30°, b = 10 yd, c = 9 yd
A. 38.97 sq yd B. 40.97 sq yd C. 20.5 sq yd D. 22.5 sq yd
Mathematics
Find parametric equations for the line through the point (5,6,3) that is parallel to the plane x+y+z= -15 and perependicular to the line x=15+t, y=12-t, z=3t.
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Mathematics
Evaluate the expression without using a calculator.log42
A. 4
B. 1
C. 2
D. 
Mathematics