Read the English dial (the arrow near the zero indicates the initial deflection of the needle).
A. 0.242 in.
B. 2.42 in.
C. -2.42 in.
D. -0.242 in.
E. 0.342 in.
Answer: A
Mathematics
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A. 132.25 B. 60 C. 13,225 D. 600
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Translate the expression into the language of algebra. Use the variable x to represent the number.Four times a number
A. 4x B. x + 4 C. 1 + 4x D. 4 - x
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Perform the indicated operation.(-9 + 2x4 + 9x6 + 2x5) + (5x5 - 8x4 + 8 + 3x6)
A. 13x30 - 1 B. -4x6 - 4x5 + 17x4 + 5 C. 12x12 + 7x10 - 6x8 - 1 D. 12x6 + 7x5 - 6x4 - 1
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Solve the problem.The time of a telephone call (in minutes) to a certain town is a continuous random variable with a probability density function defined by 
for 
Find the probability: 
A. 0.2170 B. 0.3170 C. 0.9999 D. 0.7830
Mathematics