Find a formula for the nth term of the sequence.0, 2, 0, 2, 0 (alternating 0's and 2's)
A. an = 1 - (-1)n
B. an = 1 + (-1)n
C. an = 1 + (-1)n+1
D. an = 1 + (-1)n-1
Answer: B
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For the given rectangular equation, write an equivalent polar equation.xy = 4
A. r = 4 sin ? cos ?
B. r = 
C. r2 = 
D. r2 = 4 sin ? cos ?
Two measurements are given. Find the absolute difference and then find the relative difference as a percentage. Assume that the first quantity is the compared value and the second quantity is the reference value. Round answers to the nearest tenth if necessary.In a certain country, the life expectancy for men is 70.6 years while the life expectancy for women is 75.7 years.
A. Absolute difference: 5.1 years Relative difference: 7.2% B. Absolute difference: -5.1 years Relative difference: -7.2% C. Absolute difference: -5.1 years Relative difference: -6.7% D. Absolute difference: -5.1 years Relative difference: -0.7%
Solve using Cramer's rule. 2x - 8y - 8z = -94 4x + 6y - 8z = 36-9x - 5y - 5z = -151
A. (10, 6, 6) B. (8, 6, 8) C. (9, 8, 6) D. (9, -8, -6)
Find Pout in Watts if the power output of an amplifier is 90 dBM.
What will be an ideal response?