2 years ago

What properties cannot be used in a proof

1 answer:

5 0

I am certain the answer is C. Algebra properties are used in proofs. Postulates are definitely used. And definitions are explanations. So, it is C.

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timurjin [86]

Equivalent expressions are expressions with the same value.

The equivalent expression of $(-1.3x - 4.5)- (-2.1x + 3.6)$ is $0.8x -8.1$

Given that:

$(-1.3x - 4.5)- (-2.1x + 3.6)$

Open brackets

$(-1.3x - 4.5)- (-2.1x + 3.6) = -1.3x - 4.5+ 2.1x - 3.6$

Collect like terms

$(-1.3x - 4.5)- (-2.1x + 3.6) = -1.3x + 2.1x - 4.5 - 3.6$

$(-1.3x - 4.5)- (-2.1x + 3.6) = 0.8x -8.1$

Hence, the equivalent of $(-1.3x - 4.5)- (-2.1x + 3.6)$ is $0.8x -8.1$

Read more about equivalent expressions at:

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2 years ago

lorasvet [3.4K]

Answer:

Step-by-step explanation:

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2 years ago

Bingel [31]

You need to Solve 62+73-562+73-5 which should get you -359

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2 years ago

pochemuha

Answer:

y+2>y

Step-by-step explanation:

Well, first of all. Adding any sum to y makes it greater then the same variable.

Greater than sign is >. Keeping that in mind now add them. y+2>y is gonna be you’re final answer!

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6 months ago

Agata [3.3K]

Answer:

Step-by-step explanation:

The graph starts at 15, so that's the y intercept and the Gallons of gasoline is going down so the slope is negative

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2 years ago