Determine whether the statement is true or false.Not all perfect numbers end in 6 or 28.
A. True
B. False
Answer: B
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A hypothesis test is to be performed. State the null and alternative hypotheses.Last month the mean waiting time at a bank was 8.4 minutes. The manager has installed a new computer system and claims that people will no longer have to wait as long.
A. Null hypothesis: mean waiting time < 8.4 minutes Alternative hypothesis: mean waiting time = 8.4 minutes B. Null hypothesis: mean waiting time = 8.4 minutes Alternative hypothesis: mean waiting time < 8.4 minutes C. Null hypothesis: mean waiting time > 8.4 minutes Alternative hypothesis: mean waiting time < 8.4 minutes D. Null hypothesis: mean waiting time = 8.4 minutes Alternative hypothesis: mean waiting time ? 8.4 minutes
Find the real or imaginary solutions by using the quadratic formula.x2 + 2x - 80 = 0
A. {10, 8} B. {-10, 8} C. {-10, 1} D. {10, -8}
A matrix has an inverse if and only if its determinant does not equal 0. Determine whether the given matrix has an inverse.
A. Yes B. No
Graph the set of numbers on a number line.{-1.5, 0.25, 3.25, -2.5}
A. 
B. 
C. 
D. 