2 years ago

Select all the equations that have {4} as its solution set.

1 answer:

7 0

Answer:

The first two: 79-3x=12x+19 and x2+3=10x-21

Step-by-step explanation:

I searched it up on a calculator

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Ivenika [448]

Answer

263/999

Step-by-step explanation:

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3 years ago

vladimir1956 [14]

There are extra periods so I’m not exactly sure but I think it’s 00.96

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2 years ago

oee [108]

Answer:

$\frac{1}{81}$

Step-by-step explanation:

Using the rule of exponents

$a^{-m}$ ⇔ $\frac{1}{a^{m} }$

Evaluating from the inside parenthesis outwards

$(-\frac{1}{3}) ^{2}$ = - $\frac{1}{3}$ × - $\frac{1}{3}$ = $\frac{1}{9}$ , then

$(\frac{1}{9}) ^{-2}$ = $\frac{1}{9^{-2} }$ = 9² = 81 , then

$(81)^{-1}$ = $\frac{1}{81}$

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3 years ago

yulyashka [42]

Pick the last choice.

Please mark brainliest, I had to give go ogle a bj for this answer.

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3 years ago

Sloan [31]

Answer:

Step-by-step explanation:test

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3 years ago