MathDB
Problems
Contests
National and Regional Contests
USA Contests
MAA AMC
AMC 12/AHSME
1958 AMC 12/AHSME
25
Logarithmic Equation
Logarithmic Equation
Source:
June 13, 2009
logarithms
AMC
AIME
Problem Statement
If \log_{k}{x}\cdot \log_{5}{k} \equal{} 3, then
x
x
x
equals:
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6
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3
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D
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243
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125
<span class='latex-bold'>(A)</span>\ k^6\qquad <span class='latex-bold'>(B)</span>\ 5k^3\qquad <span class='latex-bold'>(C)</span>\ k^3\qquad <span class='latex-bold'>(D)</span>\ 243\qquad <span class='latex-bold'>(E)</span>\ 125
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243
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125
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