Find the sum.4
A. 5
B. 6
C. 6
D. 1
Answer: C
Mathematics
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For the curve r(t), write the acceleration in the form aTT + aNN.r(t) = (t + 2)i + (ln (sec t) - 4)j + 8k, -?/2 < t < ?/2
A. a = (sec t tan t)T + (sec t)N B. a = (cos t)T + (cos t)N C. a = (sec2 t)T + (cos t)N D. a = (csc t)T + (sec t)N
Mathematics
Provide an appropriate response.Starting with a tone having a frequency of 687 cycles per second, find the frequency of the tone that is two octaves higher.
A. 471,969 cps B. 1374 cps C. 2748 cps D. 5496 cps
Mathematics
Solve the problem.If f varies jointly as q2 and h, and 
when 
and 
, find f when 
and 
.
A. f = 15 B. f = 135 C. f = 45 D. f = 27
Mathematics
Write the fraction as a percent.
A. 0.1% B. 10% C. 100% D. 1%
Mathematics