Solve the exponential equation by taking the logarithm on both sides. Express the solution set in terms of logarithms.e(x + 8) = 6

A. {e48}
B. {ln 6 - 8}
C. {e6 + 8}
D. {ln 14}


Answer: B

Mathematics

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Answer the question(s) based on the following situation: For a population of 4000 students taking the SAT math exam, the scores on the exam have an approximately normal distribution with mean ? = 610 and standard deviation ? = 60.Approximately how many students scored between 490 and 730?

A. 3800 B. 2720 C. 3900 D. 3000 E. none of these

Mathematics

Write the conjugate  of the complex number z. Then find z.z = 5 + 6i

A.  = 5 - 6i, z = -11
B.  = 5 - 6i, z = 25 - 36i
C.  = 5 - 6i, z = 61
D.  = 5 - 6i, z = 25 - 36i2

Mathematics

Use an identity to write the expression as a single trigonometric function or as a single number.sin 8x cos 8x

A. 2 sin 4x
B. cos 4x
C.  sin 16x
D. cos 8x

Mathematics

Find principal to the nearest dollar, rate to the nearest tenth of a percent, or time to the nearest day. Use banker's interest.Hank Wilkins invested $4,400 in a mutual fund containing bonds. Find the rate given that he earned  in 300 days.

A. 9% B. 9.5% C. 9.8% D. 8.5%

Mathematics