Use a calculator set in degree or radian mode, as appropriate, to find the value of each expression to four decimal places.csc 80°
A. 1.0154
B. 1.0525
C. 1.0061
D. 1.0117
Answer: A
Mathematics
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Calculate the area of the surface S.S is the cap cut from the paraboloid z = 
- 7x2 - 7y2 by the cone z = 
.
A. 
B. 
C. 
D. 
Mathematics
If r(t) is the position vector of a particle in the plane at time t, find the indicated vector.Find the acceleration vector.r(t) = (3 ln(2t))i + (6t3)j
A. a = 
i + 18tj
B. a = 
t-2i + 36tj
C. a = - 
t-2i + 36tj
D. a = - 
i + 36tj
Mathematics
Find the derivative of the function.f(x) = x5 log7 x
A. x4 + 5x4log7x
B. (ln 7) x4 + 5x4log7x
C. 
D. 
+ 5x4log7x
Mathematics
Perform the indicated operation by hand.(18.64) ? (0.0038)
A. 0.170832 B. 0.060832 C. 0.080832 D. 0.070832
Mathematics