Solve the problem.For an electrical circuit, the voltage E is modeled by E = 2.7 cos 34? t, where t is the time in seconds. How many cycles are completed in one second?
A. 2.7 cycles
B. 34? cycles
C. 34 cycles
D. 17 cycles
Answer: D
Mathematics
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The distance, in miles, from me to a moving train is given by
.
?
Here t represents hours since I heard the train whistle. Calculate the distance to the train 5 hours after I heard the whistle.
?
A. 5 miles B. 208.63 miles C. 43525.00 miles D. 147.56 miles
Mathematics
Rewrite the following number using digits.Eight thousand, one hundred sixty-seven
A. 810,067 B. 800,167 C. 81,067 D. 8167
Mathematics
Simplify each side of the equation, if possible. Then solve the equation.
- 3 - 2 + 15 = 
- 4n + 7 + 5n
A. n = -9 B. n = -15 C. n = -29 D. n = 9
Mathematics
Solve the problem.Create a scattergram of the ordered pairs listed in the table.
A. 
B. 
C. 
D. 
Mathematics