Answer:
Step-by-step explanation:
Given
Required
Show on a number line
Divide through by -2
Add 1 to both sides
Divide through by 3
<em>See Attachment for number line</em>
Help please, mainly with part b
2 answers:
Answer:
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Answer:
Step-by-step explanation:
we are given that A robot is expected to filter pollution out of at least 350 liters of air and water.
Also It filters air at the rate of 50 liters per minute, and it filters water at the rate of 20 liters per minute.
The inequality for number of minutes the robot should filter air (A) and water (W) to meet this expectations can be writte as follows:
Hence the required inequality has been formulated.