Solve the equation.y3 + 20y2 + 100y = 0
A. 10, -10
B. 0, -10, 10
C. 0, -10
D. 0, 10
Answer: C
Mathematics
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Use multiplication to check the answer. If an answer is incorrect, find the correct answer.
A. Correct B. Incorrect; should be 65 R25 C. Incorrect; should be 66 R24 D. Incorrect; should be 65 R19
Mathematics
Solve the logarithmic equation. Give an exact answer.log4(x - 5) = 4
A. {251} B. {11} C. {21} D. {261}
Mathematics
Solve the problem.You purchase a sofa for $715. The local sales tax rate is 8.7% of the cost. a) How much sales tax is paid?b) What is the toal cost of the sofa?
A. a) $62.21, b) $777.21 B. a) $62.21, b) $1337.05 C. a) $622.05, b) $1337.05 D. a) $62.21, b) $622.05
Mathematics
Solve the equation.log (x + 4) = log (4x - 5)
A. 
B. 
C. 
D. 
Mathematics