Find the length of the third side of the right triangle. Where appropriate, give both an exact answer and an approximation to three decimal places.
A. 11
B. 12
C. 15
D. 14
Answer: B
Mathematics
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Find the torsion of the space curve.r(t) = (6t sin t + 6 cos t)i + (6t cos t) - 6 sin t)j - 5k
A. ? = -1 B. ? = 1 C. Undefined D. ? = 0
Mathematics
Solve the problem.A man earned $3000 the first year he worked. If he received a raise of $400 at the end of each year, what was his salary during the 15th year?
A. $8600 B. $9000 C. None of these D. $5600
Mathematics
Decide whether the relation is a function.{(-7, -4), (-7, 4), (-1, -9), (5, -3), (7, -5)}
A. not a function B. function
Mathematics
Write the statement as a power function equation. Use k as the constant of variation.The cost c of a turkey varies directly as its weight w.
A. c = 
B. c = 
C. c = kw2
D. c = kw
Mathematics