Find the center of mass (in cm) of the particles with the given masses located at the given points on the x-axis.4.5 g at (1.1, 0), 6.0 g at (4.7, 0), 9.8 g at (3.8, 0)
A. 3.5 cm
B. 2.1 cm
C. 1.5 cm
D. 7.3 cm
Answer: A
Mathematics
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A. 
B. 
C. 
D. 
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Draw the given angle in standard position. Draw an arrow representing the correct amount of rotation. Find the measure of two other angles, one positive and one negative, coterminal with the given angle.-85°
A. 175° and -5°
B. 185° and -355°
C. 275° and -445°
D. 85° and -105°
Mathematics
A number is given in scientific notation. Write the number in decimal notation.The diameter of a certain molecule is 7.922 × 10-7 meters.
A. 0.0000007922 B. 0.0007922 C. 0.00000007922 D. 0.000007922
Mathematics