NEED ASAP!!!
1 answer:
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Answer:
<em /><em> ---- Before Lunch</em>
<em /><em> --- After Lunch</em>
<em />
Step-by-step explanation:
Given
Required
Determine the percentage of students seen in both cases.
This percentage is calculated by dividing the number of students seen by the total number of students. Then multiplied by 100%
i.e
- Before Lunch;
<em /><em> --- approximated</em>
- After Lunch;
<em>--- approximated</em>
Answer:
Lines BC and F represent perpendicular lines
Step-by-step explanation:
we have
<em>Line BC</em>
the slope of the line BC is
<em>Line F</em>
the slope of the line F is
we know that
If two lines are perpendicular, then the product of their slopes is equal to -1
so
we have
-----> slope line BC
-----> slope line F
Find the product of their slopes
therefore
Lines BC and F represent perpendicular lines