3 years ago

Which set of expressions is not equivalent?

1 answer:

7 0

Answer:

Step-by-step explanation:

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KengaRu [80]

465 -(-45) = x

This creates a double negative which becomes a positive and you solution would be 465+45 =X, X = 510

6 0

3 years ago

Bingel [31]

Answer: Irrational

Step-by-step explanation:

4 0

3 years ago

Arturiano [62]

Answer:

c) 2⁻⁹

Step-by-step explanation:

1) use negative power rule: $x^{-a} =\frac{1}{x^{a} }$

1/2⁹

2) simplify ₂⁹ to 512

1/512 ( same as (8) ⁻3

5 0

3 years ago

melisa1 [442]

The simplification is 20x-15 because 2 times 6x is 12 x and plus the 8 x its 20 then 2 times -5 is -10 plus the other - 5 is -15

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3 years ago

stiks02 [169]

Answer:

-3

Step-by-step explanation:

42/6=7

7-8=-1

-1x3=-3

4 0

3 years ago