Decide whether the given sequence is finite or infinite.a1= 7; for 2 ? n ? 45, an= 8?an-1
A. Finite
B. Infinite
Answer: A
Mathematics
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Decide whether or not the events are mutually exclusive.Speaking Spanish and speaking Chinese
A. Yes B. No
Mathematics
A pitching machine throws 70% strikes and 30% balls. Five pitches will be thrown by the machine.What is the probability that the first three balls thrown by the machine will be balls and that the last two thrown will be strikes?
A. 0.2 B. 0.3 × 0.7 C. 0.33 × 0.72 D. 3 × 0.3 + 2 × 0.7 E. none of these
Mathematics
Solve by using the percent proportion 
= 
.19 is 1% of what?
A. 
= 
; b = 1900
B. 
= 
; b = 19,000
C. 
= 
; a = 19
D. 
= 
; p = 190
Mathematics
Solve the given equation for the indicated variable. (Leave ± in the answer, if appropriate)4?r2 = A for r
A. r = ± 
B. r = 2?
C. r = ± 
D. r = ± 
Mathematics