Please answer ASAP! How many cubes with side lengths of 1/4 cm does it take to fill the prism? PLEASE HELP!
2 answers:
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Answer:
Option A. These two lines are perpendicular
Step-by-step explanation:
we know that
If two lines are parallel, then their slopes are equal
If two lines are perpendicular, then their slopes are opposite reciprocal (the product of their slopes is equal to -1)
step 1
Convert the given equation A in slope intercept form
where
m is the slope
b is the y-intercept
we have
----> equation A
Solve for y
That means----> isolate the variable y
Divide by 3 both sides
so
step 2
Convert the given equation B in slope intercept form
where
m is the slope
b is the y-intercept
we have
----> equation B
Solve for y
That means----> isolate the variable y
subtract 3x both sides
Divide by 2 both sides
so
step 3
Compare the slopes
The slopes are opposite reciprocal (the product is equal to -1)
therefore
These two lines are perpendicular