Use a calculator to solve the equation on the interval [0, 2?). Round the answer to two decimal places.cos x = -0.63
A. 2.25, 4.03
B. 0.89, 4.03
C. 2.25, 5.39
D. 0.89, 2.25
Answer: A
Mathematics
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Solve the problem.A rotating drill head is in the shape of a right circular cone of height 20 mm and radius 2.0 mm. Find the centroid.
A. 15 mm from the center of the base B. 13 mm from the center of the base C. 5.0 mm from the center of the base D. 18 mm from the center of the base
Mathematics
Provide the proper response.Without graphing, justify why x2 + 4 - 4x - 16y + 64 = 0 is the equation of a parabola.
What will be an ideal response?
Mathematics
Convert the equation to the standard form for an ellipse by completing the square.16x2 + 4y2 + 32x + 24y - 12 = 0
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Mathematics
Find the area.
A. 121.5 m2 B. 792 m2 C. 167 m2 D. 243 m2
Mathematics