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If a = (27)(3^–2^ ) and x = (6)(3 ^–1^ ), then which of the
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23 May 2017, 02:47
23 May 2017, 02:47
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Question Stats:
93% (01:22) correct
6% (01:46) wrong based on 188 sessions
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If a = \((27)(3^{-2} )\) and x = \((6)(3^{-1} )\), then which of the following is equivalent to \((12)(3^{-x} ) * (15)(2^{-a} )\) ?
A) \(5(-2245)(320)\)
B) \(\frac{2}{5}\)
C) \(\frac{5}{2}\)
D) \(5(24)(38)\)
E) \(5(2245)(320)\)
Re: If a = (27)(3^–2^ ) and x = (6)(3 ^–1^ ), then which of the
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10 Oct 2017, 08:08
10 Oct 2017, 08:08
1
Carcass wrote:
If a = \((27)(3^^{-2} )\) and x = \((6)(3 ^{-1} )\), then which of the following is equivalent to \((12)(3 ^{-x} ) * (15)(2 ^{-a} )\) ?
A) 5(–2245)(320)
B) \(\frac{2}{5}\)
C) \(\frac{5}{2}\)
D) 5(24)(38)
E) 5(2245)(320)
a can be rewritten as \(\frac{27}{9} = 3\) and x as \(\frac{6}{3} = 2\). Then, the expression becomes
\((12)(3 ^{-2} ) * (15)(2 ^{-2} ) = \frac{12}{9}*\frac{15}{4} = \frac{5}{2}\).
Answer C
Re: If a = (27)(3^–2^ ) and x = (6)(3 ^–1^ ), then which of the
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05 Feb 2019, 05:48
05 Feb 2019, 05:48
1
a=3 & x=2
(12)(3−x)∗(15)(2−a)=5/2
Answer is c
(12)(3−x)∗(15)(2−a)=5/2
Answer is c
