Use a graphing calculator to solve the equation.2log4 + log x = 7
A. 1,439,115.6831
B. 625,000.0000
C. 1.60 × 108
D. 1,250,000.0000
Answer: B
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The result of a hypothesis is described in terms of the probability of obtaining a particular sample. Use the given context to formulate the null and alternative hypotheses. Discuss whether the sample provides evidence for rejecting the null hypothesis.The mayor of a city claims that racial profiling is not a problem in his city. A civil rights group disagrees. The proportion of Caucasians who have been stopped while driving, without good reason, at least once in the past year is 0.19 (19%). In a random sample of 340 African Americans , the proportion who have been stopped is 0.37 (37%). Assuming that the proportion of all African Americans in the city that have been stopped is 0.19, the probability of selecting a sample in which the proportion who have been stopped is 0.37 or
more is less than 0.001. What will be an ideal response?
Solve.
Crafty Bill's Cool Car Sales opened as a used car sales lot in 1991. The graph shows the number of cars sold as a function of time. What is the approximate number of cars sold in 1993?
A. 250 B. 600 C. 500 D. 650
Simplify the complex fraction. 
A. 
B. t4
C. 
D. 
Simplify each side of the equation and then solve. Check your solution.55 - (-8) = 7x
A. 60 B. 15 C. 9 D. 56