What is the mean of 30,000,30,00040,000,40,000,40,000,50,000,190,000
bonufazy [111]
Answer: 60,000
Step-by-step explanation:
Mean is calculated by sum of data set divided by number of data set.
Mean=30,000+30,000+40,000+40,000+40,000+50,000+ 190,000/ 7
= 420,000/7
= 60,000
Yes your answer can be one number
Answer:
X^2-x-12
Step-by-step explanation:
FOIL
First, Outside, Inside, Last
First: X*X=X^2
Outside: x*-4=-4x
Inside: x*3=3x
Last:3*-4=-12
All together: X^2-4x+3x-12
Simplify: X^2-x-12
Answer:
A negative number would be reasonable in the solution of the rate of the investment. It would be reasonable because Johnny started out with $41,745 in his account and ended up with $39,974 which means that the rate has to be negative.
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