Solve the problem. Use 3.14 as an approximation for ? where appropriate.A spherical tree ornament is to be painted in bright colors. If the ornament has a diameter of 2 cm, how much paint is needed?
A. 50.4 cm2
B. 33.5 cm2
C. 12.6 cm2
D. 16.8 cm2
Answer: C
Mathematics
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Solve the equation for x.y = cos (x + 12)
A. x = arccos (y + 12) B. x = arccos y - 12 C. x = arccos (y - 12) D. x = arccos y + 12
Mathematics
Write the number in scientific notation.2,012,310
A. 2.01231 × 107 B. 2.01231 × 10-6 C. 2.01231 × 101 D. 2.01231 × 106
Mathematics
Solve the equation.|
n + 2| = |
n - 2|
A. {16, 0} B. {16, 12} C. ? D. {0}
Mathematics
Evaluate the expression, if possible.
A. 16
B. - 
C. -16
D. 
Mathematics