Write the expression in lowest terms.
A. -m
B. -1
C. 1
D. Cannot reduce
Answer: B
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Find the indicated root of the given equation by using Newton's method.3x - sin x = 1 (only root)
A. 0.4745682 B. 0.4902955 C. 0.5124897 D. 0.4903152
Multiply and simplify any radicals in your answer. Assume that all variables represent positive real numbers.(9x
+ 2
)(9x
- 2
)
A. 162x2 - 4x
B. 81x
- 4
C. 81x
+ 18x
+ 4
D. 162x2 - 36x
+ 4x
Solve the application problem.A painter can finish painting a house in 7 hours. Her assistant takes 9 hours to finish the same job. How long would it take them to complete the job if they were working together? (Round your answer to the nearest tenth, if necessary.)
A. 6 hr B. 8 hr C. 4.4 hr D. 3.9 hr
Find the probability.The table lists the eight possible blood types. Also given is the percent of the U.S. population having that type.
Let E be the event that a randomly selected person in the U. S. has type B blood. Let F be the event that a randomly selected person in the U. S. has RH-positive blood.Find P(F|E).
A. 0.818 B. 0.340 C. 0.720 D. 0.107