Use properties of logarithms to expand the logarithmic expression as much as possible. log9
A. log97 ? log9m ÷ log9n
B. log9(7) - log9n
C. log9n - log97 - log9m
D. log97 + log9m - log9n
Answer: D
Mathematics
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A. 10.6 mph B. 5.3 mph C. 4.3 mph D. 44 mph
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For which positive integers k is the series convergent?
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Find the exact value of the following expression without using a calculator.cos 60°
A.
B.
C.
D.
Mathematics
Write the expression in the standard form a + bi.8i + (-4 - i)
A. -4 + 9i B. 4 - 9i C. 4 - 7i D. -4 + 7i
Mathematics