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DaniilM [7]
3 years ago
10

Condense to a single logarithm : log 12 18+3 log 12 2

Mathematics
1 answer:
Over [174]3 years ago
8 0

Answer:

2 or \log_{12} 144

Step-by-step explanation:

I assume 12 is the base.

\log_{12} 18 + 3 \log_{12} 2 =

= \log_{12} 18 + \log_{12} 2^3

= \log_{12} (18 \times 8)

= \log_{12} 144

= \log_{12} 12^2

= 2\log_{12} 12

= 2

The entire expression simplifies to 2, but if you need the simplest log expression, then you can use

\log_{12} 144

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A total of 20 quarters and nickels add up to $4.00. How many nickels are there?
mariarad [96]

Answer:

5 nickels

Step-by-step explanation:

You can setup and solve a system of equations, or you can solve by trial and error until you get the correct answer.

Here is the solution by trial and error.

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That is too much value.

Let's try 16 quarters. 16 quarters are worth 16 * $0.25 = $4.

That is the correct value, but it is only with quarters, and only 16 of them.

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15 quarters and 5 nickels works.

Answer: 5 nickels

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\bf \begin{array}{ccllll}
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