Translate the sentence to an equation.A number divided by 9.4 is equal to -14.4.
A. -14.4x = 9.4
B. = -14.4
C. 9.4x = -14.4
D. = 9.4
Answer: B
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Solve the problem.Two pulleys of diameter 9 m and 3 m are connected by a belt. The larger pulley rotates 44 times per min. Find the angular velocity of the smaller pulley.
A. 132? radians/min B. 396? radians/min C. 198? radians/min D. 264? radians/min
Forces F1 and F2 act at the same point. Find the resultant force F and its magnitude.F1 = 0.1i + 0.4j, F2 = -1.3i - 9.2j
A. F = 0.5i - 10.5j ; = 10.511898
B. F = -1.2i - 8.8j ; = 8.88144132
C. F = -1.2i + 9.6j ; = 9.6747093
D. F = -1.2i - 9.6j ; = 9.6747093
Find the numerical value of the expression for and
7x
A. a) 28 b) 126 B. a) 11 b) 25 C. a) 25 b) 11 D. a) 126 b) 28
Translate the percent statement to a basic percent equation.140% is 84 of 60.
A. 60 ? 84= 1.4 B. 1.4 ? 60 = 84 C. 84 ? 60 = 1.4 D. 1.4 ? 84 = 60