Find the sum of the geometric series for those x for which the series converges.
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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A recursion formula and the initial term(s) of a sequence are given. Write out the first five terms of the sequence.a1 = 2, an+1 = 
A. 2, - 
, -2, 
, 2
B. -2, 
, 2, - 
, -2
C. 2, - 
, 2, - 
, 2
D. 2, 
, -2, - 
, 2
Mathematics
Resistance is the opposite of conductance and is measured in:
a. Henries b. Ohms c. Amperes d. Siemens e. Farads
Mathematics
Use trigonometric identities to find the exact value.
A. - 
B. -2
C. - 
D. -
Mathematics
Solve the problem.A contractor is considering a sale that promises a profit of $27,000 with a probability of .7 or a loss (due to bad weather, strikes, and such) of $7000 with a probability of .3. What is the expected profit?
A. $20,000 B. $18,900 C. $23,800 D. $16,800
Mathematics