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notsponge [240]
3 years ago
10

Divide (27x 4 - 18x 3 + 9x 2) ÷ 3x

Mathematics
1 answer:
guajiro [1.7K]3 years ago
7 0
The correct answer is x =24
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Why is it that -log(x+8)=4-log(x-7) has no solution? (they are log base 2)
Lerok [7]
-log(x+8)=4-log(x-7) 

-\log _{10}\left(x+8\right)+\log _{10}\left(x+8\right)=4-\log _{10}\left(x-7\right)+\log _{10}\left(x+8\right) 

0=4-\log _{10}\left(x-7\right)+\log _{10}\left(x+8\right) 

0+\log _{10}\left(x-7\right)=4-\log _{10}\left(x-7\right)+\log _{10}\left(x+8\right)+\log _{10}\left(x-7\right) 

\log _{10}\left(x-7\right)=\log _{10}\left(x+8\right)+4 

\log _{10}\left(x-7\right)=\log _{10}\left(x+8\right)+\log _{10}\left(10000\right) 

x-7=\left(x+8\right)\cdot \:10000 

\mathrm{Solve\:}\:x-7=\left(x+8\right)10000:\quad x=-\dfrac{26669}{3333} 

\mathrm{Verifying\:Solutions}:\quad x=-\dfrac{26669}{3333}\space\mathrm{False} 

\mathrm{No\:Solution\:for\:x\in \mathbb{R}}
3 0
3 years ago
Read 2 more answers
Write 2/3 as a percent. Round your answer to the nearest tenth of a percent.
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divide 2 b 3

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4/7 is multiplied by a fraction less than one. Complete the explanation to show how the product compares to the factors.
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Answer:

That is true!

Step-by-step explanation:

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Answer: $11.48

Step-by-step explanation:

First of all, you have to multiply 3.25 by 2.55 because the grapes are 2.55 per pound. That makes 8.2875 for the first occasion. Next, you have to multiply 1.25 by 2.55 for the second occasion. That makes 3.1875. You then have to add 8.2875 and 3.1875. You get 11.47500, and that rounded to the nearest cent is $11.48.

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A) 3/22x2/22 represents the probability
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