Rewrite the equation in the form y = A sin(x + ?). Round ? to three decimal places.y = 9 cos x + sin x
A. 
sin (x + 1.460)
B. 
sin (x - 1.460)
C. 
sin (x - 0.111)
D. 
sin (x + 0.111)
Answer: A
Mathematics
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Find the volume of the solid generated by revolving the region about the given line.The region bounded by the line 
, by the curve 
, by the line 
, and by the line 
about the line 
.
A. 24? B. 48? - 32 C. 24? - 64 D. 8?
Mathematics
Solve the triangle. Approximate values to the nearest tenth when appropriate.
A. ? = 33.7°, ? = 57.7°, ? = 88.6° B. ? = 31.7°, ? = 59.7°, ? = 88.6° C. ? = 29.7°, ? = 59.7°, ? = 90.6° D. No solution
Mathematics
Write the number as an exponential expression, using the base shown. Check your result with a calculator.1 (base 8)
A. 80
B. 
C. 81
D. -80
Mathematics
Multiply.
2
A. 121z2 + 2z
B. 121z2 + 2z + 
C. 
z2 - 2z + 121
D. 121z2 - 
z - 
Mathematics