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4 years ago

A two-column proof

Mathematics

2 answers:

lawyer [7]4 years ago

3 0

The correct answer is:

contains a table with a logical series of statements and reasons that reach a conclusion.

Explanation:

In a two-column proof, our two columns are "statements" and "reasons."

In the "statements" column, we write the different steps that take us from our given to the statement we are trying to prove.

In the "reasons" column, we write the theorems, postulates, and definitions that we need to justify the steps taken in the "statements" column.

dezoksy [38]4 years ago

3 0

Answer:

the answer is B contains a table with a logical series of statements and reasons that reach a conclusion.

Step-by-step explanation:

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0.8y+0.25= -0.4 Solve for y

disa [49]

Answer:

y = -13/16

Step-by-step explanation:

Given:

0.8y+0.25= -0.4

To Find:

Solve for y

Solution:

Multiply both sides by 100

$0.8y\cdot \:100+0.25\cdot \:100=-0.4\cdot \:100$

Simplify

$80y+25=-40$

Subtract 25 from both sides

$80y+25-25=-40-25$

Simplify

$80y=-65$

Divide both sides by 80

$\frac{80y}{80}=\frac{-65}{80}$

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