Answer:
x=4
Step-by-step explanation:
Answer:
On the average, estimates will be either be 0.2 meters too short or too long.
Step-by-step explanation:
Standard deviation is normally used to show how the actual value of a variable in a given sample deviates from the mean or average value of the sample. The deviation could be slightly more or less than the average value by the value of the standard deviation. Therefore, in this question, the standard deviation shows that the estimates could be 0.2 m short or more than the mean.
2910:4
Fraction=1455/2 or 727 1/2
Decimal=727.5
Simplify. Combine like terms
17k - 10k + 15
(17k - 10k) + 15
17k - 10k = 7k
7k + 15 is your answer
hope this helps
