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2+(65+7)x3=2+72x3=2+216=218 answer is 218
Answer:
5×x=x^2-6
x×(x-5)=6 where x is either 6 or -6. The negative solution ( english) would be-6
Answer:
55h+99
Step-by-step explanation:
11(5h+9) multiply everything inside the brackets by what's outside:
11×5h=55h
11×9=99
55h+99
Answer:
1 ≤ c ≤ 3
Step-by-step explanation:
In order to meet the standard, the chlorine level (c) must be at least 1 part per million (equal to or greater than 1):
1 ≤ c
At the same time, the level also needs to be no greater than 3 parts per million (equal to or lesser than 3)
c ≤ 3
Combining both inequalities yields (in parts per million):
1 ≤ c ≤ 3.
The compound inequality above describes the acceptable range for chlorine levels.
