3 years ago

Use the order of operations to simplify the following expression.

Mathematics

2 answers:

Phoenix [80]3 years ago

8 0

Answer:

ion know it lol

Step-by-step explanation:

nope

kakasveta [241]3 years ago

6 0

10 the answer is 10 pemdas

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27^x = 9^x − 4 Question 1 options: x = 8 x = 4 x = −4 x = −8

Mariulka [41]

Answer:

x = -8

Step-by-step explanation:

Given the equation:

$27^x=9^{x-4}$

Note that

$27=3^3\\ \\9=3^2,$

then

$27^x=(3^3)^x=3^{3x}\\ \\9^{x-4}=(3^2)^{x-4}=3^{2(x-4)}$

Rewrite the equation as

$3^{3x}=3^{2(x-4)},$

then

$3x=2(x-4)\\ \\3x=2x-8\\ \\3x-2x=-8\\ \\x=-8$

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mafiozo [28]

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alexandr402 [8]

Answer:

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Step-by-step explanation:

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sattari [20]

Answer:

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