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alisha [4.7K]
3 years ago
14

Micaela sold half of her comic books and then bought fifteen more. She now has 31. With how many did she begin?

Mathematics
2 answers:
AlladinOne [14]3 years ago
7 0

Answer: 8

Step-by-step explanation: 31-15=16 16/2=8

Ede4ka [16]3 years ago
6 0

Answer:

8

Step-by-step explanation:

31-15=16

16/2=8

double check:

8(2)=16

16+15=31

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How do we show that two lines are parallel when using slope? How do we show they are perpendicular when using slope?
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Answer:

QUESTION:

How do we show that two lines are parallel when using slope? How do we show they are perpendicular when using slope?

ANSWER:

<u><em>How to determine if a line is a parallel perpendicular or neither?</em></u>

The slopes of parallel lines are equal, and the slopes of perpendicular lines are opposite reciprocals. This is a worked example of determining whether given lines are parallel or perpendicular.

Step-by-step explanation:

Hope that this helps you out! :)          

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3 0
3 years ago
What is the solution set for this inequality? -6x + 38 &gt; -9
Alla [95]

Answer:

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Step-by-step explanation:

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Divide both sides by 6

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