A searchlight rotates through one complete revolution every 6 seconds. How long does it take the light to rotate through 300°?
?
A. 4 sec.
B. 7 sec.
C. 2 sec.
D. 3 sec.
E. 5 sec.
Answer: E
Mathematics
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Use a calculator to find an approximation to the nearest ten-thousandth.10-1.0443
A. 0.0090 B. 0.0903 C. 0.9030 D. 87.3025
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Find the probability.A 6-sided die is rolled. What is the probability of rolling a 3 or a 6?
A. 2
B. 
C. 
D. 
Mathematics
Refer to the following normal curve, with mean ? and standard deviation ?.
The value of the first quartile Q1 =
A. 100 B. 127 C. 50 D. 73 E. none of these
Mathematics
The associative and commutative properties for addition allow for three or more integers to be added in any order. Find the given sum.3 + (-13) + 11 + (-1)
A. 28 B. -22 C. 0 D. -20
Mathematics