Perpendicular means it’s opposite reciprocals for example : the slope is 2 then the perpendicular line’s slope would be -1/2 because it flips the number also makes it the opposite sign.
If it’s parallel then the slope would be the same
I hope that helps
The difference between the number marking the third quartile (Q3) and the number marking first quartile (Q1).
Do you have a set of numbers you need help with?
Answer:
89
Step-by-step explanation:
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3 weeks because 4*3=12 so you would have left over
<h3>
(x+3)(x-3)</h3>
x squared and -9 are both square numbers.
the square root of x^2 is x
the square root of -9 is 3. so you just need to write (x+3)(x-3)
you can check by expanding the brackets and the middle x terms should cancel out
