4 1/3+7 2/4=4+1/3+7+1/2=11+(1/3+1/2)=11 5/6. For some reason, the fact that the question said 7 2/4 instead of 7 1/2 suggests that you may have misread the problem.

5 0

3 years ago

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Do perpendicular lines ever intersect? How many times?

Vikentia [17]

Answer:

Yes two times

Step-by-step explanation:

3 0

3 years ago

The following proof shows an equivalent system of equations created from another system of equations. Fill in the missing reason

Dimas [21]

Answer:

Addition property of equality

Step-by-step explanation:

Given:

$2x+2y=14 \ -x+y = 5$

We need to find the missing reason in the proof.

Solution:

By solving the above equation we get;

$2x+2y=14 \ -x+y = 5$ ⇒ Given:

Now by adding both side by 'x' we get;

$2x+2y=14 \ -x+y+x = 5+x$

$2x+2y=14 \ y = x+5$ ⇒ Addition property of equality

Hence The missing reason in the proof was Addition Property of equality.

3 0

3 years ago