Solve the problem.A pulley of radius 9 cm rotates 9 times in 128 sec. Find the angular velocity of the pulley.
A. radians/sec
B. radians/sec
C. radians/sec
D. radians/sec
Answer: B
Mathematics
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Find the cardinal number of the set.Given:n(A ? B ? C)= 165n(A ? B ? C)= 22n(A ? B)= 46n(A ? C)= 43n(B ? C)= 41n(A)= 111n(B)= 82n(C)= 80Find n(A' ? B ? C)
A. 18 B. 20 C. 21 D. 19
Mathematics
Solve the equation.- z2 -
z = -
A.
B.
C.
D.
Mathematics
Combine like terms.p -
p
A. 4p2
B. 4p
C. - p
D. - p2
Mathematics
Solve the inequality algebraically. Express the solution in interval notation.x4 < 25x2
A. (-5, 0) ? (5, ?) B. (-?, -5) ? (5, ?) C. (-?, -5) ? (0, 5) D. (-5, 0) ? (0, 5)
Mathematics