Simplify the expression. If necessary, express the result that is not a rational number as a decimal rounded to two decimal places.8
- 
A. - 
B. - 
C. 
D. 
Answer: A
You might also like to view...
Solve the equation by the method of your choice. Simplify irrational solutions, if possible.x2 - 5x = 0
A. {5, 0}
B. {0, -5}
C. {±
}
D. 
Solve the problem.The numbers on the right in the equations below are the hexagonal numbers. Use the sequence of equations to find a formula for hn, the nth hexagonal number. 1 = 1 1 + 5 = 6 1 + 5 + 9 = 15 1 + 5 + 9 + 13 = 28 ..............
A. hn = (n - 1)(2n + 1) B. hn = 2n(n - 1) C. hn = n(2n - 1) D. hn = n(2n + 1)
Use exponential notation to write the repeated multiplication.8 ? 8 ? 8 ? 8 ? 8
A. 80 B. 58 C. 85 D. 5 ? 8
Solve the problem.The current I in an electrical conductor varies inversely as the resistance R of the conductor. The current is 4 amperes when the resistance is 842 ohms. What is the current when the resistance is 803 ohms?
A. 0.26 amps B. 0.24 amps C. 4.2 amps D. 3.8 amps