What is 19-3x=21+x and how do i show my work
2 answers:
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The answer is negative four. subtract six from both sides and you get -20=5x then you would divide both sides by 5 and get -4
The standard deviation for the combined assignment is 5 minutes.
To combine the standard deviations, we use:
With our information, we have:
To combine the standard deviations, we use:
With our information, we have: