You can’t solve this without using imaginary numbers if you do use them it’s a=i sqrt 55
Answer:
−
23
/27
its a fraction
Step-by-step explanation:
Answer: The answer is -5b-768 over 6
Step-by-step explanation: subtract b from both sides
replace variable a with 10-b in the expression
remove parentheses
combine the opposite terms
simplify
The mean absolute deviation of a set of data is the average distance between each data value and the mean. The mean number of contacts stored and the distance each data value is from the mean is shown below. Each data value is represented by an ×. So, the mean absolute deviation is 3.75<span>.
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Answer: 
Step-by-step explanation:
Group like terms:
Simplify the arithmetic:
Add 7 to both sides:
Simplify the arithmetic:
Simplify the arithmetic:
Divide both sides by 3:
Simplify the fraction:
Find the greatest common factor of the numerator and denominator:
Factor out and cancel the greatest common factor and the answer will be:
