Use estimation to determine which calculation is incorrect.
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Evaluate the integral.
A. - 
B. 
- 
C. 
+ 
D. 
Mathematics
Find a formula for the nth partial sum of the series and use it to find the series' sum if the series converges.
+ 
+ 
+ ... + 
+ ...
A. 
; 
B. 
; 
C. 
; 
D. 
; 
Mathematics
Solve the problem.The current I in an electrical conductor varies inversely as the resistance R of the conductor. The current is 2 amperes when the resistance is 546 ohms. What is the current when the resistance is 516 ohms?
A. 1.9 amp B. 2.1 amp C. 0.47 amp D. 0.53 amp
Mathematics
Translate the phrase to an algebraic expression. Use "x" to represent "a number". A number subtracted from - 
A. - 
- x
B. x - 
C. 
- x
D. x - 
Mathematics