Evaluate the logarithm.log9 (-1)
A. - 1
B. 1
C. Undefined
D. 0
Answer: C
Mathematics
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Simplify. Express in terms of i.
A. -5i
B. 5
C. -5
D. 5i
Mathematics
Estimate. Then find the actual difference.631.23 - 71.8
A. Estimate: 570; Actual: 569.43 B. Estimate:560; Actual: 560.43 C. Estimate: 570; Actual: 559.43 D. Estimate: 560; Actual: 559.43
Mathematics
Perform the indicated operation. Write the result in the form a + bi.(4 + i
) + (6 - i
)
A. 10 + 6i
B. 10 + 6
C. 10 - 6i
D. 10 - 6
Mathematics
Solve the triangle, if possible. Approximate values to the nearest tenth when appropriate.? = 44°10', b = 8.47, a = 29.15
A. ? = 43°5', ? = 94°45', c = 39.1 B. ? = 42°5', ? = 93°45', c = 37.6 C. ? = 40°5', ? = 95°45', c = 34.6 D. No solution
Mathematics