Solve the equation.log (x - 9) = 1 - log x
A. -1, 10
B. 10
C. 10, 1
D. -10
Answer: B
Mathematics
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Solve the problem.Claire has received scores of 85, 88, 87, and 75 on her algebra tests. What is the minimum score she must receive on the fifth test to have an overall test score average of at least 83?
A. 81 B. 79 C. 80 D. 78
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Use the product rule, if possible, to simplify the expression. Write the answer in exponential form.64 ? 65 ? 66
A. 216120 B. 21615 C. 6120 D. 615
Mathematics
Solve the problem.Mustaf flew his helicopter at a speed of 54 km/hr. Express this speed in miles per hour.
A. 3.4 mi/hr B. 86.4 mi/hr C. 864 mi/hr D. 33.8 mi/hr
Mathematics
Solve the problem.x varies inversely as v, and x = 45 when v = 5. Find x when v = 25.
A. 25 B. 5 C. 9 D. 45
Mathematics