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3 years ago

Please please help me out

Mathematics

1 answer:

mr Goodwill [35]3 years ago

5 0

Answer:

Step-by-step explanation:

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Solve for x 27^(2x+4)=1/9^(x-46)

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$27^{2x+4}=(\frac{1}{9})^{x-46} \\
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3^{3(2x+4)}=3^{-2(x-46)} \\
3^{6x+12}=3^{-2x+92} \\
6x+12=-2x+92 \\
6x+2x=92-12 \\
8x=80 \\
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2 years ago

The last time Alejandro's height was measured he was 61.5 inches tall. He was measured again today and is now 68.7 inches tall.

stiv31 [10]

Answer:

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Step-by-step explanation:

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Expression:

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2 years ago

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Irina-Kira [14]

Answer:

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Step-by-step explanation:

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Hope this helps ^^

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2 years ago

Read 2 more answers