Answer:
12 * Answer:
12 x 3 = 36 + 6 = 42,
Step-by-step explanation:
Step-by-step explanation:
Answer:
x = 9/2
Step-by-step explanation:
Answer:
38/60
Step-by-step explanation:
5/12 x 5= 25/60
25/60+13/60=38/60
Answer:he needs to sell 180 cookies or more
Step-by-step explanation:
90.00/.50=180
Answer:
The lines are perpendicular
Step-by-step explanation:
we have
isolate the variable y
----> equation A
The slope of the line A is
-----> equation B
The slope of the line B is
Remember that
If two lines are perpendicular, then their slopes are opposite reciprocal (the product of their slopes is equal to -1)
In this problem
The slopes of line A and line B are opposite reciprocal
therefore
The lines are perpendicular