Find the slope of the line through points (-2, 1) and (5, 7)
1 answer:
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The boxes can weight at most 5 grams less than the desired amount, so they can't be lighter than
grams
Similary, they can't weight more than 5 grams more than the desired amount, so they can't be heavier than
grams
So, the acceptable range is between 208 and 218.
Given:
The inequality is:
To find:
The inequality after isolating the y-term.
Solution:
We have,
On simplification, we get
Subtracting 2 from both sides of the above inequality, we get
Therefore, the required inequality is .