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. 17 cycles
B. 34? cycles
C. 34 cycles
D. 2.7 cycles
Answer: A
Mathematics
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Find the simple interest. (The rate is an annual rate unless otherwise noted. Assume 360 days in a year.)p = $275, r = 0.055% per day, t = 99 days
A. $15.13 B. $14.82 C. $0.04 D. $14.97
Mathematics
Find dy.y = ln(1 + x3)
A. 
dx
B. 
dx
C. 
dx
D. 
dx
Mathematics
Solve the equation and express the solution in exact form.log9 (x - 5) + log9 (x - 5) = 1
A. {
}
B. {8}
C. {-
, 
}
D. {-8, 8}
Mathematics
Write a sentence that expresses the relationship in the formula, using the language of variation or proportion.f = 
, where f is the centripetal force of an object of mass m moving along a circle of radius r at velocity v
What will be an ideal response?
Mathematics