Jackie needs at least 350 for a plane ticket. She saves 25 each week. Which number line shows how long she will need to save mon
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2 answers:
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<u>If two lines are perpendicular to each other, their slopes</u>
<u>are negative inverses of each other.</u>
Thus,
. See how this works?
We took 4, then took its opposite, and flopped that over
Definition-:
Perpendicular lines are lines that intercept each other at a 90 deg. angle, which is usually called the right angle.