Find the root. Round to three decimal places if necessary.
A. Not real number
B. 9
C. 3
D. 5
Answer: C
Mathematics
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Solve the problem.The rate at which an assembly line worker's efficiency E (expressed as a percent) changes with respect to time t is given by 
where t is the number of hours since the worker's shift began. Assuming that 
when t = 1, find and expression for E.
A. E = 65t - 4t2 + 25 B. E = 65t - 2t2 + 151 C. E = 65t - 2t2 + 88 D. E = 65t - 2t2 + 25
Mathematics
Add and simplify the answer: 
+
.
A. 
B. 
C. 
D. 
Mathematics
Find the radius or diameter as requested.Find the radius.
A. 6079.04 yd B. 22 yd C. 44 yd D. 138.16 yd
Mathematics
Solve for the variable.17 + x = 3
A. -20 B. 14 C. -14 D. 20
Mathematics