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ArbitrLikvidat [17]

4 years ago

10

Which algebraic expression models the given word phrase? 5 times the sum of a and b

1 answer:

Mamont248 [21]4 years ago

4 0

5(a+b) or 5x(a+b) they're the same thing but the first one is better to use :)

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Write the expression as a single natural logarithm.3 ln x – 5 ln c

shtirl [24]

The rules are ...
$\Longrightarrow \ln(\frac{a}{b})=\ln(a)-\ln(b)$
$\Longrightarrow \ln(a^{b})=b\ln(a)$

Your expression makes use of both these rules.
$3\ln(x)-5\ln(c)=\ln(x^{3})-\ln(c^{5})=\ln \left( \dfrac{x^{3}}{c^{5}} \right)$

Your single logarithm is ...
$\ln \left( \dfrac{x^{3}}{c^{5}} \right)$

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I think it’s the 81-78

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3 years ago

In the cafeteria, 80 juice boxes were put out for breakfast. After breakfast, there were 20 juice boxes left.

olchik [2.2K]

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Step-by-step explanation:

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3 years ago

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STALIN [3.7K]

Answer:

[2, 6].

Step-by-step explanation:

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